diff --git a/c3.js b/c3.js
index d607b17..51b43cb 100644
--- a/c3.js
+++ b/c3.js
@@ -213,7 +213,7 @@ function AxisInternal(component, params) {
     internal.params = params || {};
 
     internal.d3 = component.d3;
-    internal.scale = internal.d3.scale.linear();
+    internal.scale = internal.d3.scaleLinear();
     internal.range;
     internal.orient = "bottom";
     internal.innerTickSize = 6;
@@ -310,20 +310,17 @@ c3_axis_internal_fn.updateTickTextCharSize = function (tick) {
     internal.tickTextCharSize = size;
     return size;
 };
-c3_axis_internal_fn.transitionise = function (selection) {
-    return this.params.withoutTransition ? selection : this.d3.transition(selection);
-};
 c3_axis_internal_fn.isVertical = function () {
     return this.orient === 'left' || this.orient === 'right';
 };
-c3_axis_internal_fn.tspanData = function (d, i, ticks, scale) {
+c3_axis_internal_fn.tspanData = function (d, i, scale) {
     var internal = this;
-    var splitted = internal.params.tickMultiline ? internal.splitTickText(d, ticks, scale) : [].concat(internal.textFormatted(d));
+    var splitted = internal.params.tickMultiline ? internal.splitTickText(d, scale) : [].concat(internal.textFormatted(d));
     return splitted.map(function (s) {
         return { index: i, splitted: s, length: splitted.length };
     });
 };
-c3_axis_internal_fn.splitTickText = function (d, ticks, scale) {
+c3_axis_internal_fn.splitTickText = function (d, scale) {
     var internal = this,
         tickText = internal.textFormatted(d),
         maxWidth = internal.params.tickWidth,
@@ -337,7 +334,7 @@ c3_axis_internal_fn.splitTickText = function (d, ticks, scale) {
     }
 
     if (!maxWidth || maxWidth <= 0) {
-        maxWidth = internal.isVertical() ? 95 : internal.params.isCategory ? Math.ceil(scale(ticks[1]) - scale(ticks[0])) - 12 : 110;
+        maxWidth = internal.isVertical() ? 95 : internal.params.isCategory ? Math.ceil(scale(1) - scale(0)) - 12 : 110;
     }
 
     function split(splitted, text) {
@@ -404,20 +401,21 @@ c3_axis_internal_fn.generateAxis = function () {
     var internal = this,
         d3 = internal.d3,
         params = internal.params;
-    function axis(g) {
+    function axis(g, transition) {
+        var self;
         g.each(function () {
             var g = axis.g = d3.select(this);
 
             var scale0 = this.__chart__ || internal.scale,
                 scale1 = this.__chart__ = internal.copyScale();
 
-            var ticks = internal.tickValues ? internal.tickValues : internal.generateTicks(scale1),
-                tick = g.selectAll(".tick").data(ticks, scale1),
-                tickEnter = tick.enter().insert("g", ".domain").attr("class", "tick").style("opacity", 1e-6),
+            var ticksValues = internal.tickValues ? internal.tickValues : internal.generateTicks(scale1),
+                ticks = g.selectAll(".tick").data(ticksValues, scale1),
+                tickEnter = ticks.enter().insert("g", ".domain").attr("class", "tick").style("opacity", 1e-6),
 
             // MEMO: No exit transition. The reason is this transition affects max tick width calculation because old tick will be included in the ticks.
-            tickExit = tick.exit().remove(),
-                tickUpdate = internal.transitionise(tick).style("opacity", 1),
+            tickExit = ticks.exit().remove(),
+                tickUpdate = ticks.merge(tickEnter),
                 tickTransform,
                 tickX,
                 tickY;
@@ -430,27 +428,24 @@ c3_axis_internal_fn.generateAxis = function () {
                 internal.tickOffset = tickX = 0;
             }
 
-            tickEnter.append("line");
-            tickEnter.append("text");
-
             internal.updateRange();
             internal.updateTickLength();
             internal.updateTickTextCharSize(g.select('.tick'));
 
-            var lineUpdate = tickUpdate.select("line"),
-                textUpdate = tickUpdate.select("text"),
-                tspanUpdate = tick.select("text").selectAll('tspan').data(function (d, i) {
-                return internal.tspanData(d, i, ticks, scale1);
-            });
+            var lineUpdate = tickUpdate.select("line").merge(tickEnter.append("line")),
+                textUpdate = tickUpdate.select("text").merge(tickEnter.append("text"));
 
-            tspanUpdate.enter().append('tspan');
-            tspanUpdate.exit().remove();
-            tspanUpdate.text(function (d) {
+            var tspans = tickUpdate.selectAll('text').selectAll('tspan').data(function (d, i) {
+                return internal.tspanData(d, i, scale1);
+            }),
+                tspanEnter = tspans.enter().append('tspan'),
+                tspanUpdate = tspanEnter.merge(tspans).text(function (d) {
                 return d.splitted;
             });
+            tspans.exit().remove();
 
             var path = g.selectAll(".domain").data([0]),
-                pathUpdate = (path.enter().append("path").attr("class", "domain"), internal.transitionise(path));
+                pathUpdate = path.enter().append("path").merge(path).attr("class", "domain");
 
             // TODO: each attr should be one function and change its behavior by internal.orient, probably
             switch (internal.orient) {
@@ -520,8 +515,9 @@ c3_axis_internal_fn.generateAxis = function () {
                 tickExit.call(tickTransform, scale1, internal.tickOffset);
             }
             tickEnter.call(tickTransform, scale0, internal.tickOffset);
-            tickUpdate.call(tickTransform, scale1, internal.tickOffset);
+            self = (transition ? tickUpdate.transition(transition) : tickUpdate).style('opacity', 1).call(tickTransform, scale1, internal.tickOffset);
         });
+        return self;
     }
     axis.scale = function (x) {
         if (!arguments.length) {
@@ -628,9 +624,9 @@ c3_axis_fn.init = function init() {
     $$.axes.y = main.append("g").attr("class", CLASS.axis + ' ' + CLASS.axisY).attr("clip-path", config.axis_y_inner ? "" : $$.clipPathForYAxis).attr("transform", $$.getTranslate('y')).style("visibility", config.axis_y_show ? 'visible' : 'hidden');
     $$.axes.y.append("text").attr("class", CLASS.axisYLabel).attr("transform", config.axis_rotated ? "" : "rotate(-90)").style("text-anchor", this.textAnchorForYAxisLabel.bind(this));
 
-    $$.axes.y2 = main.append("g").attr("class", CLASS.axis + ' ' + CLASS.axisY2
+    $$.axes.y2 = main.append("g").attr("class", CLASS.axis + ' ' + CLASS.axisY2)
     // clip-path?
-    ).attr("transform", $$.getTranslate('y2')).style("visibility", config.axis_y2_show ? 'visible' : 'hidden');
+    .attr("transform", $$.getTranslate('y2')).style("visibility", config.axis_y2_show ? 'visible' : 'hidden');
     $$.axes.y2.append("text").attr("class", CLASS.axisY2Label).attr("transform", config.axis_rotated ? "" : "rotate(-90)").style("text-anchor", this.textAnchorForY2AxisLabel.bind(this));
 };
 c3_axis_fn.getXAxis = function getXAxis(scale, orient, tickFormat, tickValues, withOuterTick, withoutTransition, withoutRotateTickText) {
@@ -681,6 +677,7 @@ c3_axis_fn.updateXAxisTickValues = function updateXAxisTickValues(targets, axis)
 c3_axis_fn.getYAxis = function getYAxis(scale, orient, tickFormat, tickValues, withOuterTick, withoutTransition, withoutRotateTickText) {
     var $$ = this.owner,
         config = $$.config,
+        d3 = $$.d3,
         axisParams = {
         withOuterTick: withOuterTick,
         withoutTransition: withoutTransition,
@@ -688,7 +685,7 @@ c3_axis_fn.getYAxis = function getYAxis(scale, orient, tickFormat, tickValues, w
     },
         axis = new this.internal(this, axisParams).axis.scale(scale).orient(orient).tickFormat(tickFormat);
     if ($$.isTimeSeriesY()) {
-        axis.ticks($$.d3.time[config.axis_y_tick_time_value], config.axis_y_tick_time_interval);
+        axis.ticks(config.axis_y_tick_time_type, config.axis_y_tick_time_interval);
     } else {
         axis.tickValues(tickValues);
     }
@@ -989,16 +986,13 @@ c3_axis_fn.generateTransitions = function generateTransitions(duration) {
         axisSubX: duration ? axes.subx.transition().duration(duration) : axes.subx
     };
 };
-c3_axis_fn.redraw = function redraw(transitions, isHidden) {
-    var $$ = this.owner;
-    $$.axes.x.style("opacity", isHidden ? 0 : 1);
-    $$.axes.y.style("opacity", isHidden ? 0 : 1);
-    $$.axes.y2.style("opacity", isHidden ? 0 : 1);
-    $$.axes.subx.style("opacity", isHidden ? 0 : 1);
-    transitions.axisX.call($$.xAxis);
-    transitions.axisY.call($$.yAxis);
-    transitions.axisY2.call($$.y2Axis);
-    transitions.axisSubX.call($$.subXAxis);
+c3_axis_fn.redraw = function redraw(duration, isHidden) {
+    var $$ = this.owner,
+        transition = duration ? $$.d3.transition().duration(duration) : null;
+    $$.axes.x.style("opacity", isHidden ? 0 : 1).call($$.xAxis, transition);
+    $$.axes.y.style("opacity", isHidden ? 0 : 1).call($$.yAxis, transition);
+    $$.axes.y2.style("opacity", isHidden ? 0 : 1).call($$.y2Axis, transition);
+    $$.axes.subx.style("opacity", isHidden ? 0 : 1).call($$.subXAxis, transition);
 };
 
 var c3$1 = { version: "0.4.18" };
@@ -1095,26 +1089,32 @@ c3_chart_internal_fn.initParams = function () {
     $$.color = $$.generateColor();
     $$.levelColor = $$.generateLevelColor();
 
-    $$.dataTimeFormat = config.data_xLocaltime ? d3.time.format : d3.time.format.utc;
-    $$.axisTimeFormat = config.axis_x_localtime ? d3.time.format : d3.time.format.utc;
-    $$.defaultAxisTimeFormat = $$.axisTimeFormat.multi([[".%L", function (d) {
-        return d.getMilliseconds();
-    }], [":%S", function (d) {
-        return d.getSeconds();
-    }], ["%I:%M", function (d) {
-        return d.getMinutes();
-    }], ["%I %p", function (d) {
-        return d.getHours();
-    }], ["%-m/%-d", function (d) {
-        return d.getDay() && d.getDate() !== 1;
-    }], ["%-m/%-d", function (d) {
-        return d.getDate() !== 1;
-    }], ["%-m/%-d", function (d) {
-        return d.getMonth();
-    }], ["%Y/%-m/%-d", function () {
-        return true;
-    }]]);
-
+    $$.dataTimeParse = (config.data_xLocaltime ? d3.timeParse : d3.utcParse)($$.config.data_xFormat);
+    $$.axisTimeFormat = config.axis_x_localtime ? d3.timeFormat : d3.utcFormat;
+    $$.defaultAxisTimeFormat = function (date) {
+        if (date.getMilliseconds()) {
+            return d3.timeFormat(".%L")(date);
+        }
+        if (date.getSeconds()) {
+            return d3.timeFormat(":%S")(date);
+        }
+        if (date.getMinutes()) {
+            return d3.timeFormat("%I:%M")(date);
+        }
+        if (date.getHours()) {
+            return d3.timeFormat("%I %p")(date);
+        }
+        if (date.getDay() && date.getDate() !== 1) {
+            return d3.timeFormat("%-m/%-d")(date);
+        }
+        if (date.getDate() !== 1) {
+            return d3.timeFormat("%-m/%-d")(date);
+        }
+        if (date.getMonth()) {
+            return d3.timeFormat("%-m/%-d")(date);
+        }
+        return d3.timeFormat("%Y/%-m/%-d")(date);
+    };
     $$.hiddenTargetIds = [];
     $$.hiddenLegendIds = [];
     $$.focusedTargetIds = [];
@@ -1178,16 +1178,6 @@ c3_chart_internal_fn.initWithData = function (data) {
 
     $$.axis = new Axis($$);
 
-    if ($$.initPie) {
-        $$.initPie();
-    }
-    if ($$.initBrush) {
-        $$.initBrush();
-    }
-    if ($$.initZoom) {
-        $$.initZoom();
-    }
-
     if (!config.bindto) {
         $$.selectChart = d3.selectAll([]);
     } else if (typeof config.bindto.node === 'function') {
@@ -1238,14 +1228,6 @@ c3_chart_internal_fn.initWithData = function (data) {
     // Save original x domain for zoom update
     $$.orgXDomain = $$.x.domain();
 
-    // Set initialized scales to brush and zoom
-    if ($$.brush) {
-        $$.brush.scale($$.subX);
-    }
-    if (config.zoom_enabled) {
-        $$.zoom.scale($$.x);
-    }
-
     /*-- Basic Elements --*/
 
     // Define svgs
@@ -1271,6 +1253,9 @@ c3_chart_internal_fn.initWithData = function (data) {
     // Define regions
     main = $$.main = $$.svg.append("g").attr("transform", $$.getTranslate('main'));
 
+    if ($$.initPie) {
+        $$.initPie();
+    }
     if ($$.initSubchart) {
         $$.initSubchart();
     }
@@ -1283,12 +1268,21 @@ c3_chart_internal_fn.initWithData = function (data) {
     if ($$.initTitle) {
         $$.initTitle();
     }
+    if ($$.initZoom) {
+        $$.initZoom();
+    }
+
+    // Update selection based on size and scale
+    // TODO: currently this must be called after initLegend because of update of sizes, but it should be done in initSubchart.
+    if ($$.initSubchartBrush) {
+        $$.initSubchartBrush();
+    }
 
     /*-- Main Region --*/
 
     // text when empty
-    main.append("text").attr("class", CLASS.text + ' ' + CLASS.empty).attr("text-anchor", "middle" // horizontal centering of text at x position in all browsers.
-    ).attr("dominant-baseline", "middle"); // vertical centering of text at y position in all browsers, except IE.
+    main.append("text").attr("class", CLASS.text + ' ' + CLASS.empty).attr("text-anchor", "middle") // horizontal centering of text at x position in all browsers.
+    .attr("dominant-baseline", "middle"); // vertical centering of text at y position in all browsers, except IE.
 
     // Regions
     $$.initRegion();
@@ -1304,27 +1298,23 @@ c3_chart_internal_fn.initWithData = function (data) {
         $$.initGridLines();
     }
 
-    // Cover whole with rects for events
-    $$.initEventRect();
-
     // Define g for chart
     $$.initChartElements();
 
-    // if zoom privileged, insert rect to forefront
-    // TODO: is this needed?
-    main.insert('rect', config.zoom_privileged ? null : 'g.' + CLASS.regions).attr('class', CLASS.zoomRect).attr('width', $$.width).attr('height', $$.height).style('opacity', 0).on("dblclick.zoom", null);
-
-    // Set default extent if defined
-    if (config.axis_x_extent) {
-        $$.brush.extent($$.getDefaultExtent());
-    }
-
     // Add Axis
     $$.axis.init();
 
     // Set targets
     $$.updateTargets($$.data.targets);
 
+    // Cover whole with rects for events
+    $$.initEventRect();
+
+    // Set default extent if defined
+    if (config.axis_x_selection) {
+        $$.brush.selectionAsValue($$.getDefaultSelection());
+    }
+
     // Draw with targets
     if (binding) {
         $$.updateDimension();
@@ -1494,7 +1484,7 @@ c3_chart_internal_fn.redraw = function (options, transitions) {
     var hideAxis = $$.hasArcType();
     var drawArea, drawBar, drawLine, xForText, yForText;
     var duration, durationForExit, durationForAxis;
-    var waitForDraw, flow;
+    var transitionsToWait, waitForDraw, flow, transition;
     var targetsToShow = $$.filterTargetsToShow($$.data.targets),
         tickValues,
         i,
@@ -1564,7 +1554,7 @@ c3_chart_internal_fn.redraw = function (options, transitions) {
     }
 
     // axes
-    $$.axis.redraw(transitions, hideAxis);
+    $$.axis.redraw(durationForAxis, hideAxis);
 
     // Update axis label
     $$.axis.updateLabels(withTransition);
@@ -1596,6 +1586,12 @@ c3_chart_internal_fn.redraw = function (options, transitions) {
     xForText = $$.generateXYForText(areaIndices, barIndices, lineIndices, true);
     yForText = $$.generateXYForText(areaIndices, barIndices, lineIndices, false);
 
+    // update circleY based on updated parameters
+    $$.updateCircleY();
+    // generate circle x/y functions depending on updated params
+    cx = ($$.config.axis_rotated ? $$.circleY : $$.circleX).bind($$);
+    cy = ($$.config.axis_rotated ? $$.circleX : $$.circleY).bind($$);
+
     // Update sub domain
     if (withY) {
         $$.subY.domain($$.getYDomain(targetsToShow, 'y'));
@@ -1608,6 +1604,11 @@ c3_chart_internal_fn.redraw = function (options, transitions) {
     // Data empty label positioning and text.
     main.select("text." + CLASS.text + '.' + CLASS.empty).attr("x", $$.width / 2).attr("y", $$.height / 2).text(config.data_empty_label_text).transition().style('opacity', targetsToShow.length ? 0 : 1);
 
+    // event rect
+    if (withEventRect) {
+        $$.redrawEventRect();
+    }
+
     // grid
     $$.updateGrid(duration);
 
@@ -1620,11 +1621,11 @@ c3_chart_internal_fn.redraw = function (options, transitions) {
     // lines, areas and cricles
     $$.updateLine(durationForExit);
     $$.updateArea(durationForExit);
-    $$.updateCircle();
+    $$.updateCircle(cx, cy);
 
     // text
     if ($$.hasDataLabel()) {
-        $$.updateText(durationForExit);
+        $$.updateText(xForText, yForText, durationForExit);
     }
 
     // title
@@ -1645,21 +1646,6 @@ c3_chart_internal_fn.redraw = function (options, transitions) {
     // circles for select
     main.selectAll('.' + CLASS.selectedCircles).filter($$.isBarType.bind($$)).selectAll('circle').remove();
 
-    // event rects will redrawn when flow called
-    if (config.interaction_enabled && !options.flow && withEventRect) {
-        $$.redrawEventRect();
-        if ($$.updateZoom) {
-            $$.updateZoom();
-        }
-    }
-
-    // update circleY based on updated parameters
-    $$.updateCircleY();
-
-    // generate circle x/y functions depending on updated params
-    cx = ($$.config.axis_rotated ? $$.circleY : $$.circleX).bind($$);
-    cy = ($$.config.axis_rotated ? $$.circleX : $$.circleY).bind($$);
-
     if (options.flow) {
         flow = $$.generateFlow({
             targets: targetsToShow,
@@ -1676,42 +1662,44 @@ c3_chart_internal_fn.redraw = function (options, transitions) {
         });
     }
 
-    if ((duration || flow) && $$.isTabVisible()) {
+    if ($$.isTabVisible()) {
         // Only use transition if tab visible. See #938.
-        // transition should be derived from one transition
-        d3.transition().duration(duration).each(function () {
-            var transitionsToWait = [];
-
-            // redraw and gather transitions
-            [$$.redrawBar(drawBar, true), $$.redrawLine(drawLine, true), $$.redrawArea(drawArea, true), $$.redrawCircle(cx, cy, true), $$.redrawText(xForText, yForText, options.flow, true), $$.redrawRegion(true), $$.redrawGrid(true)].forEach(function (transitions) {
+        if (duration) {
+            // transition should be derived from one transition
+            transition = d3.transition().duration(duration);
+            transitionsToWait = [];
+            [$$.redrawBar(drawBar, true, transition), $$.redrawLine(drawLine, true, transition), $$.redrawArea(drawArea, true, transition), $$.redrawCircle(cx, cy, true, transition), $$.redrawText(xForText, yForText, options.flow, true, transition), $$.redrawRegion(true, transition), $$.redrawGrid(true, transition)].forEach(function (transitions) {
                 transitions.forEach(function (transition) {
                     transitionsToWait.push(transition);
                 });
             });
-
             // Wait for end of transitions to call flow and onrendered callback
             waitForDraw = $$.generateWait();
             transitionsToWait.forEach(function (t) {
                 waitForDraw.add(t);
             });
-        }).call(waitForDraw, function () {
+            waitForDraw(function () {
+                if (flow) {
+                    flow();
+                }
+                if (config.onrendered) {
+                    config.onrendered.call($$);
+                }
+            });
+        } else {
+            $$.redrawBar(drawBar);
+            $$.redrawLine(drawLine);
+            $$.redrawArea(drawArea);
+            $$.redrawCircle(cx, cy);
+            $$.redrawText(xForText, yForText, options.flow);
+            $$.redrawRegion();
+            $$.redrawGrid();
             if (flow) {
                 flow();
             }
             if (config.onrendered) {
                 config.onrendered.call($$);
             }
-        });
-    } else {
-        $$.redrawBar(drawBar);
-        $$.redrawLine(drawLine);
-        $$.redrawArea(drawArea);
-        $$.redrawCircle(cx, cy);
-        $$.redrawText(xForText, yForText, options.flow);
-        $$.redrawRegion();
-        $$.redrawGrid();
-        if (config.onrendered) {
-            config.onrendered.call($$);
         }
     }
 
@@ -1731,8 +1719,8 @@ c3_chart_internal_fn.updateAndRedraw = function (options) {
     options.withTransform = getOption(options, "withTransform", false);
     options.withLegend = getOption(options, "withLegend", false);
     // NOT same with redraw
-    options.withUpdateXDomain = true;
-    options.withUpdateOrgXDomain = true;
+    options.withUpdateXDomain = getOption(options, "withUpdateXDomain", true);
+    options.withUpdateOrgXDomain = getOption(options, "withUpdateOrgXDomain", true);
     options.withTransitionForExit = false;
     options.withTransitionForTransform = getOption(options, "withTransitionForTransform", options.withTransition);
     // MEMO: this needs to be called before updateLegend and it means this ALWAYS needs to be called)
@@ -1890,13 +1878,12 @@ c3_chart_internal_fn.transformAll = function (withTransition, transitions) {
 
 c3_chart_internal_fn.updateSvgSize = function () {
     var $$ = this,
-        brush = $$.svg.select(".c3-brush .background");
+        brush = $$.svg.select(".c3-brush .overlay");
     $$.svg.attr('width', $$.currentWidth).attr('height', $$.currentHeight);
     $$.svg.selectAll(['#' + $$.clipId, '#' + $$.clipIdForGrid]).select('rect').attr('width', $$.width).attr('height', $$.height);
     $$.svg.select('#' + $$.clipIdForXAxis).select('rect').attr('x', $$.getXAxisClipX.bind($$)).attr('y', $$.getXAxisClipY.bind($$)).attr('width', $$.getXAxisClipWidth.bind($$)).attr('height', $$.getXAxisClipHeight.bind($$));
     $$.svg.select('#' + $$.clipIdForYAxis).select('rect').attr('x', $$.getYAxisClipX.bind($$)).attr('y', $$.getYAxisClipY.bind($$)).attr('width', $$.getYAxisClipWidth.bind($$)).attr('height', $$.getYAxisClipHeight.bind($$));
     $$.svg.select('#' + $$.clipIdForSubchart).select('rect').attr('width', $$.width).attr('height', brush.size() ? brush.attr('height') : 0);
-    $$.svg.select('.' + CLASS.zoomRect).attr('width', $$.width).attr('height', $$.height);
     // MEMO: parent div's height will be bigger than svg when <!DOCTYPE html>
     $$.selectChart.style('max-height', $$.currentHeight + "px");
 };
@@ -1972,7 +1959,16 @@ c3_chart_internal_fn.bindResize = function () {
             }
             $$.resizeTimeout = window.setTimeout(function () {
                 delete $$.resizeTimeout;
-                $$.api.flush();
+                $$.updateAndRedraw({
+                    withUpdateXDomain: false,
+                    withUpdateOrgXDomain: false,
+                    withTransition: false,
+                    withTransitionForTransform: false,
+                    withLegend: true
+                });
+                if ($$.brush) {
+                    $$.brush.update();
+                }
             }, 100);
         });
     }
@@ -1980,10 +1976,19 @@ c3_chart_internal_fn.bindResize = function () {
         config.onresized.call($$);
     });
 
+    var resizeIfElementDisplayed = function resizeIfElementDisplayed() {
+        // if element not displayed skip it
+        if (!$$.api.element.offsetParent) {
+            return;
+        }
+
+        $$.resizeFunction();
+    };
+
     if (window.attachEvent) {
-        window.attachEvent('onresize', $$.resizeFunction);
+        window.attachEvent('onresize', resizeIfElementDisplayed);
     } else if (window.addEventListener) {
-        window.addEventListener('resize', $$.resizeFunction, false);
+        window.addEventListener('resize', resizeIfElementDisplayed, false);
     } else {
         // fallback to this, if this is a very old browser
         var wrapper = window.onresize;
@@ -1997,7 +2002,14 @@ c3_chart_internal_fn.bindResize = function () {
         }
         // add this graph to the wrapper, we will be removed if the user calls destroy
         wrapper.add($$.resizeFunction);
-        window.onresize = wrapper;
+        window.onresize = function () {
+            // if element not displayed skip it
+            if (!$$.api.element.offsetParent) {
+                return;
+            }
+
+            wrapper();
+        };
     }
 };
 
@@ -2026,7 +2038,7 @@ c3_chart_internal_fn.endall = function (transition, callback) {
     var n = 0;
     transition.each(function () {
         ++n;
-    }).each("end", function () {
+    }).on("end", function () {
         if (! --n) {
             callback.apply(this, arguments);
         }
@@ -2034,7 +2046,7 @@ c3_chart_internal_fn.endall = function (transition, callback) {
 };
 c3_chart_internal_fn.generateWait = function () {
     var transitionsToWait = [],
-        f = function f(transition, callback) {
+        f = function f(callback) {
         var timer = setInterval(function () {
             var done = 0;
             transitionsToWait.forEach(function (t) {
@@ -2054,7 +2066,7 @@ c3_chart_internal_fn.generateWait = function () {
                     callback();
                 }
             }
-        }, 10);
+        }, 50);
     };
     f.add = function (transition) {
         transitionsToWait.push(transition);
@@ -2068,7 +2080,7 @@ c3_chart_internal_fn.parseDate = function (date) {
     if (date instanceof Date) {
         parsedDate = date;
     } else if (typeof date === 'string') {
-        parsedDate = $$.dataTimeFormat($$.config.data_xFormat).parse(date);
+        parsedDate = $$.dataTimeParse(date);
     } else if ((typeof date === 'undefined' ? 'undefined' : _typeof(date)) === 'object') {
         parsedDate = new Date(+date);
     } else if (typeof date === 'number' && !isNaN(date)) {
@@ -2149,8 +2161,6 @@ if (!Function.prototype.bind) {
 // changes which were implemented in Firefox 43 and Chrome 46.
 
 (function () {
-    "use strict";
-
     if (!("SVGPathSeg" in window)) {
         // Spec: http://www.w3.org/TR/SVG11/single-page.html#paths-InterfaceSVGPathSeg
         window.SVGPathSeg = function (type, typeAsLetter, owningPathSegList) {
@@ -3718,14 +3728,7 @@ c3_chart_internal_fn.generateFlow = function (args) {
             done = flow.done || function () {},
             wait = $$.generateWait();
 
-        var xgrid = $$.xgrid || d3.selectAll([]),
-            xgridLines = $$.xgridLines || d3.selectAll([]),
-            mainRegion = $$.mainRegion || d3.selectAll([]),
-            mainText = $$.mainText || d3.selectAll([]),
-            mainBar = $$.mainBar || d3.selectAll([]),
-            mainLine = $$.mainLine || d3.selectAll([]),
-            mainArea = $$.mainArea || d3.selectAll([]),
-            mainCircle = $$.mainCircle || d3.selectAll([]);
+        var xgrid, xgridLines, mainRegion, mainText, mainBar, mainLine, mainArea, mainCircle;
 
         // set flag
         $$.flowing = true;
@@ -3742,6 +3745,15 @@ c3_chart_internal_fn.generateFlow = function (args) {
             $$.updateXGrid(true);
         }
 
+        xgrid = $$.xgrid || d3.selectAll([]); // xgrid needs to be obtained after updateXGrid
+        xgridLines = $$.xgridLines || d3.selectAll([]);
+        mainRegion = $$.mainRegion || d3.selectAll([]);
+        mainText = $$.mainText || d3.selectAll([]);
+        mainBar = $$.mainBar || d3.selectAll([]);
+        mainLine = $$.mainLine || d3.selectAll([]);
+        mainArea = $$.mainArea || d3.selectAll([]);
+        mainCircle = $$.mainCircle || d3.selectAll([]);
+
         // generate transform to flow
         if (!flow.orgDataCount) {
             // if empty
@@ -3770,37 +3782,34 @@ c3_chart_internal_fn.generateFlow = function (args) {
 
         $$.hideXGridFocus();
 
-        d3.transition().ease('linear').duration(durationForFlow).each(function () {
-            wait.add($$.axes.x.transition().call($$.xAxis));
-            wait.add(mainBar.transition().attr('transform', transform));
-            wait.add(mainLine.transition().attr('transform', transform));
-            wait.add(mainArea.transition().attr('transform', transform));
-            wait.add(mainCircle.transition().attr('transform', transform));
-            wait.add(mainText.transition().attr('transform', transform));
-            wait.add(mainRegion.filter($$.isRegionOnX).transition().attr('transform', transform));
-            wait.add(xgrid.transition().attr('transform', transform));
-            wait.add(xgridLines.transition().attr('transform', transform));
-        }).call(wait, function () {
+        var flowTransition = d3.transition().ease(d3.easeLinear).duration(durationForFlow);
+        wait.add($$.xAxis($$.axes.x, flowTransition));
+        wait.add(mainBar.transition(flowTransition).attr('transform', transform));
+        wait.add(mainLine.transition(flowTransition).attr('transform', transform));
+        wait.add(mainArea.transition(flowTransition).attr('transform', transform));
+        wait.add(mainCircle.transition(flowTransition).attr('transform', transform));
+        wait.add(mainText.transition(flowTransition).attr('transform', transform));
+        wait.add(mainRegion.filter($$.isRegionOnX).transition(flowTransition).attr('transform', transform));
+        wait.add(xgrid.transition(flowTransition).attr('transform', transform));
+        wait.add(xgridLines.transition(flowTransition).attr('transform', transform));
+        wait(function () {
             var i,
                 shapes = [],
-                texts = [],
-                eventRects = [];
+                texts = [];
 
             // remove flowed elements
             if (flowLength) {
                 for (i = 0; i < flowLength; i++) {
                     shapes.push('.' + CLASS.shape + '-' + (flowIndex + i));
                     texts.push('.' + CLASS.text + '-' + (flowIndex + i));
-                    eventRects.push('.' + CLASS.eventRect + '-' + (flowIndex + i));
                 }
                 $$.svg.selectAll('.' + CLASS.shapes).selectAll(shapes).remove();
                 $$.svg.selectAll('.' + CLASS.texts).selectAll(texts).remove();
-                $$.svg.selectAll('.' + CLASS.eventRects).selectAll(eventRects).remove();
                 $$.svg.select('.' + CLASS.xgrid).remove();
             }
 
             // draw again for removing flowed elements and reverting attr
-            xgrid.attr('transform', null).attr($$.xgridAttr);
+            xgrid.attr('transform', null).attr('x1', $$.xgridAttr.x1).attr('x2', $$.xgridAttr.x2).attr('y1', $$.xgridAttr.y1).attr('y2', $$.xgridAttr.y2).style("opacity", $$.xgridAttr.opacity);
             xgridLines.attr('transform', null);
             xgridLines.select('line').attr("x1", config.axis_rotated ? 0 : xv).attr("x2", config.axis_rotated ? $$.width : xv);
             xgridLines.select('text').attr("x", config.axis_rotated ? $$.width : 0).attr("y", xv);
@@ -3810,11 +3819,7 @@ c3_chart_internal_fn.generateFlow = function (args) {
             mainCircle.attr('transform', null).attr("cx", cx).attr("cy", cy);
             mainText.attr('transform', null).attr('x', xForText).attr('y', yForText).style('fill-opacity', $$.opacityForText.bind($$));
             mainRegion.attr('transform', null);
-            mainRegion.select('rect').filter($$.isRegionOnX).attr("x", $$.regionX.bind($$)).attr("width", $$.regionWidth.bind($$));
-
-            if (config.interaction_enabled) {
-                $$.redrawEventRect();
-            }
+            mainRegion.filter($$.isRegionOnX).attr("x", $$.regionX.bind($$)).attr("width", $$.regionWidth.bind($$));
 
             // callback for end of flow
             done();
@@ -4183,35 +4188,34 @@ c3_chart_fn.toggle = function (targetIds, options) {
 c3_chart_fn.tooltip = function () {};
 c3_chart_fn.tooltip.show = function (args) {
     var $$ = this.internal,
-        index,
-        mouse;
+        targets,
+        data,
+        mouse = {};
 
     // determine mouse position on the chart
     if (args.mouse) {
         mouse = args.mouse;
-    }
-
-    // determine focus data
-    if (args.data) {
-        if ($$.isMultipleX()) {
-            // if multiple xs, target point will be determined by mouse
-            mouse = [$$.x(args.data.x), $$.getYScale(args.data.id)(args.data.value)];
-            index = null;
-        } else {
-            // TODO: when tooltip_grouped = false
-            index = isValue(args.data.index) ? args.data.index : $$.getIndexByX(args.data.x);
+    } else {
+        // determine focus data
+        if (args.data) {
+            data = args.data;
+        } else if (typeof args.x !== 'undefined') {
+            if (args.id) {
+                targets = $$.data.targets.filter(function (t) {
+                    return t.id === args.id;
+                });
+            } else {
+                targets = $$.data.targets;
+            }
+            data = $$.filterByX(targets, args.x).slice(0, 1)[0];
         }
-    } else if (typeof args.x !== 'undefined') {
-        index = $$.getIndexByX(args.x);
-    } else if (typeof args.index !== 'undefined') {
-        index = args.index;
+        mouse = data ? $$.getMousePosition(data) : null;
     }
 
     // emulate mouse events to show
-    $$.dispatchEvent('mouseover', index, mouse);
-    $$.dispatchEvent('mousemove', index, mouse);
+    $$.dispatchEvent('mousemove', mouse);
 
-    $$.config.tooltip_onshow.call($$, args.data);
+    $$.config.tooltip_onshow.call($$, data);
 };
 c3_chart_fn.tooltip.hide = function () {
     // TODO: get target data by checking the state of focus
@@ -4262,11 +4266,15 @@ c3_chart_fn.zoom = function (domain) {
                 return $$.parseDate(x);
             });
         }
-        $$.brush.extent(domain);
-        $$.redraw({ withUpdateXDomain: true, withY: $$.config.zoom_rescale });
+        if ($$.config.subchart_show) {
+            $$.brush.selectionAsValue(domain);
+        } else {
+            $$.updateXDomain(null, true, false, false, domain);
+            $$.redraw({ withY: $$.config.zoom_rescale, withSubchart: false });
+        }
         $$.config.zoom_onzoom.call(this, $$.x.orgDomain());
     }
-    return $$.brush.extent();
+    return domain;
 };
 c3_chart_fn.zoom.enable = function (enabled) {
     var $$ = this.internal;
@@ -4275,8 +4283,12 @@ c3_chart_fn.zoom.enable = function (enabled) {
 };
 c3_chart_fn.unzoom = function () {
     var $$ = this.internal;
-    $$.brush.clear().update();
-    $$.redraw({ withUpdateXDomain: true });
+    if ($$.config.subchart_show) {
+        $$.brush.clear();
+    } else {
+        $$.updateXDomain(null, true, false, false, $$.subX.domain());
+        $$.redraw({ withY: $$.config.zoom_rescale, withSubchart: false });
+    }
 };
 
 c3_chart_fn.zoom.max = function (max) {
@@ -4320,7 +4332,7 @@ c3_chart_fn.zoom.range = function (range) {
 c3_chart_internal_fn.initPie = function () {
     var $$ = this,
         d3 = $$.d3;
-    $$.pie = d3.layout.pie().value(function (d) {
+    $$.pie = d3.pie().value(function (d) {
         return d.values.reduce(function (a, b) {
             return a + b.value;
         }, 0);
@@ -4386,7 +4398,7 @@ c3_chart_internal_fn.updateAngle = function (d) {
 
 c3_chart_internal_fn.getSvgArc = function () {
     var $$ = this,
-        arc = $$.d3.svg.arc().outerRadius($$.radius).innerRadius($$.innerRadius),
+        arc = $$.d3.arc().outerRadius($$.radius).innerRadius($$.innerRadius),
         newArc = function newArc(d, withoutUpdate) {
         var updated;
         if (withoutUpdate) {
@@ -4402,7 +4414,7 @@ c3_chart_internal_fn.getSvgArc = function () {
 
 c3_chart_internal_fn.getSvgArcExpanded = function (rate) {
     var $$ = this,
-        arc = $$.d3.svg.arc().outerRadius($$.radiusExpanded * (rate ? rate : 1)).innerRadius($$.innerRadius);
+        arc = $$.d3.arc().outerRadius($$.radiusExpanded * (rate ? rate : 1)).innerRadius($$.innerRadius);
     return function (d) {
         var updated = $$.updateAngle(d);
         return updated ? arc(updated) : "M 0 0";
@@ -4597,15 +4609,15 @@ c3_chart_internal_fn.getArcTitle = function () {
 c3_chart_internal_fn.updateTargetsForArc = function (targets) {
     var $$ = this,
         main = $$.main,
-        mainPieUpdate,
+        mainPies,
         mainPieEnter,
         classChartArc = $$.classChartArc.bind($$),
         classArcs = $$.classArcs.bind($$),
         classFocus = $$.classFocus.bind($$);
-    mainPieUpdate = main.select('.' + CLASS.chartArcs).selectAll('.' + CLASS.chartArc).data($$.pie(targets)).attr("class", function (d) {
+    mainPies = main.select('.' + CLASS.chartArcs).selectAll('.' + CLASS.chartArc).data($$.pie(targets)).attr("class", function (d) {
         return classChartArc(d) + classFocus(d.data);
     });
-    mainPieEnter = mainPieUpdate.enter().append("g").attr("class", classChartArc);
+    mainPieEnter = mainPies.enter().append("g").attr("class", classChartArc);
     mainPieEnter.append('g').attr('class', classArcs);
     mainPieEnter.append("text").attr("dy", $$.hasType('gauge') ? "-.1em" : ".35em").style("opacity", 0).style("text-anchor", "middle").style("pointer-events", "none");
     // MEMO: can not keep same color..., but not bad to update color in redraw
@@ -4623,9 +4635,10 @@ c3_chart_internal_fn.redrawArc = function (duration, durationForExit, withTransf
         d3 = $$.d3,
         config = $$.config,
         main = $$.main,
+        arcs,
         mainArc;
-    mainArc = main.selectAll('.' + CLASS.arcs).selectAll('.' + CLASS.arc).data($$.arcData.bind($$));
-    mainArc.enter().append('path').attr("class", $$.classArc.bind($$)).style("fill", function (d) {
+    arcs = main.selectAll('.' + CLASS.arcs).selectAll('.' + CLASS.arc).data($$.arcData.bind($$));
+    mainArc = arcs.enter().append('path').attr("class", $$.classArc.bind($$)).style("fill", function (d) {
         return $$.color(d.data);
     }).style("cursor", function (d) {
         return config.interaction_enabled && config.data_selection_isselectable(d) ? "pointer" : null;
@@ -4634,7 +4647,7 @@ c3_chart_internal_fn.redrawArc = function (duration, durationForExit, withTransf
             d.startAngle = d.endAngle = config.gauge_startingAngle;
         }
         this._current = d;
-    });
+    }).merge(arcs);
     mainArc.attr("transform", function (d) {
         return !$$.isGaugeType(d.data) && withTransform ? "scale(0)" : "";
     }).on('mouseover', config.interaction_enabled ? function (d) {
@@ -4717,11 +4730,11 @@ c3_chart_internal_fn.redrawArc = function (duration, durationForExit, withTransf
         };
     }).attr("transform", withTransform ? "scale(1)" : "").style("fill", function (d) {
         return $$.levelColor ? $$.levelColor(d.data.values[0].value) : $$.color(d.data.id);
-    } // Where gauge reading color would receive customization.
-    ).call($$.endall, function () {
+    }) // Where gauge reading color would receive customization.
+    .call($$.endall, function () {
         $$.transiting = false;
     });
-    mainArc.exit().transition().duration(durationForExit).style('opacity', 0).remove();
+    arcs.exit().transition().duration(durationForExit).style('opacity', 0).remove();
     main.selectAll('.' + CLASS.chartArc).select('text').style("opacity", 0).attr('class', function (d) {
         return $$.isGaugeType(d.data) ? CLASS.gaugeValue : '';
     }).text($$.textForArcLabel.bind($$)).attr("transform", $$.transformForArcLabel.bind($$)).style('font-size', function (d) {
@@ -4953,7 +4966,7 @@ c3_chart_internal_fn.generateColor = function () {
         config = $$.config,
         d3 = $$.d3,
         colors = config.data_colors,
-        pattern = notEmpty(config.color_pattern) ? config.color_pattern : d3.scale.category10().range(),
+        pattern = notEmpty(config.color_pattern) ? config.color_pattern : d3.schemeCategory10,
         callback = config.data_color,
         ids = [];
 
@@ -5015,7 +5028,7 @@ c3_chart_internal_fn.getDefaultConfig = function () {
         padding_bottom: undefined,
         resize_auto: true,
         zoom_enabled: false,
-        zoom_extent: undefined,
+        zoom_initialRange: undefined,
         zoom_privileged: false,
         zoom_rescale: false,
         zoom_onzoom: function zoom_onzoom() {},
@@ -5118,7 +5131,7 @@ c3_chart_internal_fn.getDefaultConfig = function () {
         axis_x_min: undefined,
         axis_x_padding: {},
         axis_x_height: undefined,
-        axis_x_extent: undefined,
+        axis_x_selection: undefined,
         axis_x_label: {},
         axis_y_show: true,
         axis_y_type: undefined,
@@ -5133,7 +5146,7 @@ c3_chart_internal_fn.getDefaultConfig = function () {
         axis_y_tick_values: null,
         axis_y_tick_rotate: 0,
         axis_y_tick_count: undefined,
-        axis_y_tick_time_value: undefined,
+        axis_y_tick_time_type: undefined,
         axis_y_tick_time_interval: undefined,
         axis_y_padding: {},
         axis_y_default: undefined,
@@ -5278,7 +5291,7 @@ c3_chart_internal_fn.loadConfig = function (config) {
 c3_chart_internal_fn.convertUrlToData = function (url, mimeType, headers, keys, done) {
     var $$ = this,
         type = mimeType ? mimeType : 'csv';
-    var req = $$.d3.xhr(url);
+    var req = $$.d3.request(url);
     if (headers) {
         Object.keys(headers).forEach(function (header) {
             req.header(header, headers[header]);
@@ -5301,7 +5314,7 @@ c3_chart_internal_fn.convertUrlToData = function (url, mimeType, headers, keys,
     });
 };
 c3_chart_internal_fn.convertXsvToData = function (xsv, parser) {
-    var rows = parser.parseRows(xsv),
+    var rows = parser(xsv),
         d;
     if (rows.length === 1) {
         d = [{}];
@@ -5309,15 +5322,15 @@ c3_chart_internal_fn.convertXsvToData = function (xsv, parser) {
             d[0][id] = null;
         });
     } else {
-        d = parser.parse(xsv);
+        d = parser(xsv);
     }
     return d;
 };
 c3_chart_internal_fn.convertCsvToData = function (csv) {
-    return this.convertXsvToData(csv, this.d3.csv);
+    return this.convertXsvToData(csv, this.d3.csvParse);
 };
 c3_chart_internal_fn.convertTsvToData = function (tsv) {
-    return this.convertXsvToData(tsv, this.d3.tsv);
+    return this.convertXsvToData(tsv, this.d3.tsvParse);
 };
 c3_chart_internal_fn.convertJsonToData = function (json, keys) {
     var $$ = this,
@@ -5558,11 +5571,6 @@ c3_chart_internal_fn.getXValuesOfXKey = function (key, targets) {
     });
     return xValues;
 };
-c3_chart_internal_fn.getIndexByX = function (x) {
-    var $$ = this,
-        data = $$.filterByX($$.data.targets, x);
-    return data.length ? data[0].index : null;
-};
 c3_chart_internal_fn.getXValue = function (id, i) {
     var $$ = this;
     return id in $$.data.xs && $$.data.xs[id] && isValue($$.data.xs[id][i]) ? $$.data.xs[id][i] : i;
@@ -5582,14 +5590,6 @@ c3_chart_internal_fn.addXs = function (xs) {
         $$.config.data_xs[id] = xs[id];
     });
 };
-c3_chart_internal_fn.hasMultipleX = function (xs) {
-    return this.d3.set(Object.keys(xs).map(function (id) {
-        return xs[id];
-    })).size() > 1;
-};
-c3_chart_internal_fn.isMultipleX = function () {
-    return notEmpty(this.config.data_xs) || !this.config.data_xSort || this.hasType('scatter');
-};
 c3_chart_internal_fn.addName = function (data) {
     var $$ = this,
         name;
@@ -5643,53 +5643,12 @@ c3_chart_internal_fn.cloneTarget = function (target) {
         })
     };
 };
-c3_chart_internal_fn.updateXs = function () {
-    var $$ = this;
-    if ($$.data.targets.length) {
-        $$.xs = [];
-        $$.data.targets[0].values.forEach(function (v) {
-            $$.xs[v.index] = v.x;
-        });
-    }
-};
-c3_chart_internal_fn.getPrevX = function (i) {
-    var x = this.xs[i - 1];
-    return typeof x !== 'undefined' ? x : null;
-};
-c3_chart_internal_fn.getNextX = function (i) {
-    var x = this.xs[i + 1];
-    return typeof x !== 'undefined' ? x : null;
-};
 c3_chart_internal_fn.getMaxDataCount = function () {
     var $$ = this;
     return $$.d3.max($$.data.targets, function (t) {
         return t.values.length;
     });
 };
-c3_chart_internal_fn.getMaxDataCountTarget = function (targets) {
-    var length = targets.length,
-        max = 0,
-        maxTarget;
-    if (length > 1) {
-        targets.forEach(function (t) {
-            if (t.values.length > max) {
-                maxTarget = t;
-                max = t.values.length;
-            }
-        });
-    } else {
-        maxTarget = length ? targets[0] : null;
-    }
-    return maxTarget;
-};
-c3_chart_internal_fn.getEdgeX = function (targets) {
-    var $$ = this;
-    return !targets.length ? [0, 0] : [$$.d3.min(targets, function (t) {
-        return t.values[0].x;
-    }), $$.d3.max(targets, function (t) {
-        return t.values[t.values.length - 1].x;
-    })];
-};
 c3_chart_internal_fn.mapToIds = function (targets) {
     return targets.map(function (d) {
         return d.id;
@@ -5887,25 +5846,6 @@ c3_chart_internal_fn.isNoneArc = function (d) {
 }, c3_chart_internal_fn.isArc = function (d) {
     return 'data' in d && this.hasTarget(this.data.targets, d.data.id);
 };
-c3_chart_internal_fn.findSameXOfValues = function (values, index) {
-    var i,
-        targetX = values[index].x,
-        sames = [];
-    for (i = index - 1; i >= 0; i--) {
-        if (targetX !== values[i].x) {
-            break;
-        }
-        sames.push(values[i]);
-    }
-    for (i = index; i < values.length; i++) {
-        if (targetX !== values[i].x) {
-            break;
-        }
-        sames.push(values[i]);
-    }
-    return sames;
-};
-
 c3_chart_internal_fn.findClosestFromTargets = function (targets, pos) {
     var $$ = this,
         candidates;
@@ -5928,7 +5868,7 @@ c3_chart_internal_fn.findClosest = function (values, pos) {
         return v && $$.isBarType(v.id);
     }).forEach(function (v) {
         var shape = $$.main.select('.' + CLASS.bars + $$.getTargetSelectorSuffix(v.id) + ' .' + CLASS.bar + '-' + v.index).node();
-        if (!closest && $$.isWithinBar(shape)) {
+        if (!closest && $$.isWithinBar($$.d3.mouse(shape), shape)) {
             closest = v;
         }
     });
@@ -6355,18 +6295,15 @@ c3_chart_internal_fn.updateXDomain = function (targets, withUpdateXDomain, withU
         $$.x.domain(domain ? domain : $$.d3.extent($$.getXDomain(targets)));
         $$.orgXDomain = $$.x.domain();
         if (config.zoom_enabled) {
-            $$.zoom.scale($$.x).updateScaleExtent();
+            $$.zoom.update();
         }
         $$.subX.domain($$.x.domain());
         if ($$.brush) {
-            $$.brush.scale($$.subX);
+            $$.brush.updateScale($$.subX);
         }
     }
     if (withUpdateXDomain) {
-        $$.x.domain(domain ? domain : !$$.brush || $$.brush.empty() ? $$.orgXDomain : $$.brush.extent());
-        if (config.zoom_enabled) {
-            $$.zoom.scale($$.x).updateScaleExtent();
-        }
+        $$.x.domain(domain ? domain : !$$.brush || $$.brush.empty() ? $$.orgXDomain : $$.brush.selectionAsValue());
     }
 
     // Trim domain when too big by zoom mousemove event
@@ -6404,9 +6341,6 @@ c3_chart_internal_fn.drag = function (mouse) {
     if (!config.data_selection_enabled) {
         return;
     } // do nothing if not selectable
-    if (config.zoom_enabled && !$$.zoom.altDomain) {
-        return;
-    } // skip if zoomable because of conflict drag dehavior
     if (!config.data_selection_multiple) {
         return;
     } // skip when single selection because drag is used for multiple selection
@@ -6593,25 +6527,31 @@ c3_chart_internal_fn.updateXGrid = function (withoutUpdate) {
         'y1': 0,
         'y2': $$.height
     };
+    $$.xgridAttr.opacity = function () {
+        var pos = +d3.select(this).attr(config.axis_rotated ? 'y1' : 'x1');
+        return pos === (config.axis_rotated ? $$.height : 0) ? 0 : 1;
+    };
 
-    $$.xgrid = $$.main.select('.' + CLASS.xgrids).selectAll('.' + CLASS.xgrid).data(xgridData);
-    $$.xgrid.enter().append('line').attr("class", CLASS.xgrid);
+    var xgrid = $$.main.select('.' + CLASS.xgrids).selectAll('.' + CLASS.xgrid).data(xgridData);
+    var xgridEnter = xgrid.enter().append('line').attr("class", CLASS.xgrid).attr('x1', $$.xgridAttr.x1).attr('x2', $$.xgridAttr.x2).attr('y1', $$.xgridAttr.y1).attr('y2', $$.xgridAttr.y2).style("opacity", 0);
+    $$.xgrid = xgridEnter.merge(xgrid);
     if (!withoutUpdate) {
-        $$.xgrid.attr($$.xgridAttr).style("opacity", function () {
-            return +d3.select(this).attr(config.axis_rotated ? 'y1' : 'x1') === (config.axis_rotated ? $$.height : 0) ? 0 : 1;
-        });
+        $$.xgrid.attr('x1', $$.xgridAttr.x1).attr('x2', $$.xgridAttr.x2).attr('y1', $$.xgridAttr.y1).attr('y2', $$.xgridAttr.y2).style("opacity", $$.xgridAttr.opacity);
     }
-    $$.xgrid.exit().remove();
+    xgrid.exit().remove();
 };
 
 c3_chart_internal_fn.updateYGrid = function () {
     var $$ = this,
         config = $$.config,
         gridValues = $$.yAxis.tickValues() || $$.y.ticks(config.grid_y_ticks);
-    $$.ygrid = $$.main.select('.' + CLASS.ygrids).selectAll('.' + CLASS.ygrid).data(gridValues);
-    $$.ygrid.enter().append('line').attr('class', CLASS.ygrid);
+    var ygrid = $$.main.select('.' + CLASS.ygrids).selectAll('.' + CLASS.ygrid).data(gridValues);
+    var ygridEnter = ygrid.enter().append('line')
+    // TODO: x1, x2, y1, y2, opacity need to be set here maybe
+    .attr('class', CLASS.ygrid);
+    $$.ygrid = ygridEnter.merge(ygrid);
     $$.ygrid.attr("x1", config.axis_rotated ? $$.y : 0).attr("x2", config.axis_rotated ? $$.y : $$.width).attr("y1", config.axis_rotated ? 0 : $$.y).attr("y2", config.axis_rotated ? $$.height : $$.y);
-    $$.ygrid.exit().remove();
+    ygrid.exit().remove();
     $$.smoothLines($$.ygrid, 'grid');
 };
 
@@ -6632,8 +6572,13 @@ c3_chart_internal_fn.updateGrid = function (duration) {
         main = $$.main,
         config = $$.config,
         xgridLine,
+        xgridLineEnter,
         ygridLine,
-        yv;
+        ygridLineEnter,
+        xv = $$.xv.bind($$),
+        yv = $$.yv.bind($$),
+        xGridTextX = $$.xGridTextX.bind($$),
+        yGridTextX = $$.yGridTextX.bind($$);
 
     // hide if arc type
     $$.grid.style('visibility', $$.hasArcType() ? 'hidden' : 'visible');
@@ -6642,45 +6587,46 @@ c3_chart_internal_fn.updateGrid = function (duration) {
     if (config.grid_x_show) {
         $$.updateXGrid();
     }
-    $$.xgridLines = main.select('.' + CLASS.xgridLines).selectAll('.' + CLASS.xgridLine).data(config.grid_x_lines);
+    xgridLine = main.select('.' + CLASS.xgridLines).selectAll('.' + CLASS.xgridLine).data(config.grid_x_lines);
     // enter
-    xgridLine = $$.xgridLines.enter().append('g').attr("class", function (d) {
+    xgridLineEnter = xgridLine.enter().append('g').attr("class", function (d) {
         return CLASS.xgridLine + (d['class'] ? ' ' + d['class'] : '');
     });
-    xgridLine.append('line').style("opacity", 0);
-    xgridLine.append('text').attr("text-anchor", $$.gridTextAnchor).attr("transform", config.axis_rotated ? "" : "rotate(-90)").attr('dx', $$.gridTextDx).attr('dy', -5).style("opacity", 0);
+    xgridLineEnter.append('line').attr("x1", config.axis_rotated ? 0 : xv).attr("x2", config.axis_rotated ? $$.width : xv).attr("y1", config.axis_rotated ? xv : 0).attr("y2", config.axis_rotated ? xv : $$.height).style("opacity", 0);
+    xgridLineEnter.append('text').attr("text-anchor", $$.gridTextAnchor).attr("transform", config.axis_rotated ? "" : "rotate(-90)").attr("x", config.axis_rotated ? yGridTextX : xGridTextX).attr("y", xv).attr('dx', $$.gridTextDx).attr('dy', -5).style("opacity", 0);
     // udpate
+    $$.xgridLines = xgridLineEnter.merge(xgridLine);
     // done in d3.transition() of the end of this function
     // exit
-    $$.xgridLines.exit().transition().duration(duration).style("opacity", 0).remove();
+    xgridLine.exit().transition().duration(duration).style("opacity", 0).remove();
 
     // Y-Grid
     if (config.grid_y_show) {
         $$.updateYGrid();
     }
-    $$.ygridLines = main.select('.' + CLASS.ygridLines).selectAll('.' + CLASS.ygridLine).data(config.grid_y_lines);
+    ygridLine = main.select('.' + CLASS.ygridLines).selectAll('.' + CLASS.ygridLine).data(config.grid_y_lines);
     // enter
-    ygridLine = $$.ygridLines.enter().append('g').attr("class", function (d) {
+    ygridLineEnter = ygridLine.enter().append('g').attr("class", function (d) {
         return CLASS.ygridLine + (d['class'] ? ' ' + d['class'] : '');
     });
-    ygridLine.append('line').style("opacity", 0);
-    ygridLine.append('text').attr("text-anchor", $$.gridTextAnchor).attr("transform", config.axis_rotated ? "rotate(-90)" : "").attr('dx', $$.gridTextDx).attr('dy', -5).style("opacity", 0);
+    ygridLineEnter.append('line').attr("x1", config.axis_rotated ? yv : 0).attr("x2", config.axis_rotated ? yv : $$.width).attr("y1", config.axis_rotated ? 0 : yv).attr("y2", config.axis_rotated ? $$.height : yv).style("opacity", 0);
+    ygridLineEnter.append('text').attr("text-anchor", $$.gridTextAnchor).attr("transform", config.axis_rotated ? "rotate(-90)" : "").attr("x", config.axis_rotated ? xGridTextX : yGridTextX).attr("y", yv).attr('dx', $$.gridTextDx).attr('dy', -5).style("opacity", 0);
     // update
-    yv = $$.yv.bind($$);
+    $$.ygridLines = ygridLineEnter.merge(ygridLine);
     $$.ygridLines.select('line').transition().duration(duration).attr("x1", config.axis_rotated ? yv : 0).attr("x2", config.axis_rotated ? yv : $$.width).attr("y1", config.axis_rotated ? 0 : yv).attr("y2", config.axis_rotated ? $$.height : yv).style("opacity", 1);
     $$.ygridLines.select('text').transition().duration(duration).attr("x", config.axis_rotated ? $$.xGridTextX.bind($$) : $$.yGridTextX.bind($$)).attr("y", yv).text(function (d) {
         return d.text;
     }).style("opacity", 1);
     // exit
-    $$.ygridLines.exit().transition().duration(duration).style("opacity", 0).remove();
+    ygridLine.exit().transition().duration(duration).style("opacity", 0).remove();
 };
-c3_chart_internal_fn.redrawGrid = function (withTransition) {
+c3_chart_internal_fn.redrawGrid = function (withTransition, transition) {
     var $$ = this,
         config = $$.config,
         xv = $$.xv.bind($$),
         lines = $$.xgridLines.select('line'),
         texts = $$.xgridLines.select('text');
-    return [(withTransition ? lines.transition() : lines).attr("x1", config.axis_rotated ? 0 : xv).attr("x2", config.axis_rotated ? $$.width : xv).attr("y1", config.axis_rotated ? xv : 0).attr("y2", config.axis_rotated ? xv : $$.height).style("opacity", 1), (withTransition ? texts.transition() : texts).attr("x", config.axis_rotated ? $$.yGridTextX.bind($$) : $$.xGridTextX.bind($$)).attr("y", xv).text(function (d) {
+    return [(withTransition ? lines.transition(transition) : lines).attr("x1", config.axis_rotated ? 0 : xv).attr("x2", config.axis_rotated ? $$.width : xv).attr("y1", config.axis_rotated ? xv : 0).attr("y2", config.axis_rotated ? xv : $$.height).style("opacity", 1), (withTransition ? texts.transition(transition) : texts).attr("x", config.axis_rotated ? $$.yGridTextX.bind($$) : $$.xGridTextX.bind($$)).attr("y", xv).text(function (d) {
         return d.text;
     }).style("opacity", 1)];
 };
@@ -6767,253 +6713,35 @@ c3_chart_internal_fn.removeGridLines = function (params, forX) {
 };
 
 c3_chart_internal_fn.initEventRect = function () {
-    var $$ = this;
-    $$.main.select('.' + CLASS.chart).append("g").attr("class", CLASS.eventRects).style('fill-opacity', 0);
-};
-c3_chart_internal_fn.redrawEventRect = function () {
     var $$ = this,
-        config = $$.config,
-        eventRectUpdate,
-        maxDataCountTarget,
-        isMultipleX = $$.isMultipleX();
-
-    // rects for mouseover
-    var eventRects = $$.main.select('.' + CLASS.eventRects).style('cursor', config.zoom_enabled ? config.axis_rotated ? 'ns-resize' : 'ew-resize' : null).classed(CLASS.eventRectsMultiple, isMultipleX).classed(CLASS.eventRectsSingle, !isMultipleX);
-
-    // clear old rects
-    eventRects.selectAll('.' + CLASS.eventRect).remove();
+        config = $$.config;
 
-    // open as public variable
-    $$.eventRect = eventRects.selectAll('.' + CLASS.eventRect);
+    $$.main.select('.' + CLASS.chart).append("g").attr("class", CLASS.eventRects).style('fill-opacity', 0);
+    $$.eventRect = $$.main.select('.' + CLASS.eventRects).append('rect').attr('class', CLASS.eventRect);
 
-    if (isMultipleX) {
-        eventRectUpdate = $$.eventRect.data([0]);
-        // enter : only one rect will be added
-        $$.generateEventRectsForMultipleXs(eventRectUpdate.enter());
-        // update
-        $$.updateEventRect(eventRectUpdate);
-        // exit : not needed because always only one rect exists
-    } else {
-        // Set data and update $$.eventRect
-        maxDataCountTarget = $$.getMaxDataCountTarget($$.data.targets);
-        eventRects.datum(maxDataCountTarget ? maxDataCountTarget.values : []);
-        $$.eventRect = eventRects.selectAll('.' + CLASS.eventRect);
-        eventRectUpdate = $$.eventRect.data(function (d) {
-            return d;
-        });
-        // enter
-        $$.generateEventRectsForSingleX(eventRectUpdate.enter());
-        // update
-        $$.updateEventRect(eventRectUpdate);
-        // exit
-        eventRectUpdate.exit().remove();
+    // event rect handle zoom event as well
+    if (config.zoom_enabled && $$.zoom) {
+        $$.eventRect.call($$.zoom).on("dblclick.zoom", null);
+        if (config.zoom_initialRange) {
+            // WORKAROUND: Add transition to apply transform immediately when no subchart
+            $$.eventRect.transition().duration(0).call($$.zoom.transform, $$.zoomTransform(config.zoom_initialRange));
+        }
     }
 };
-c3_chart_internal_fn.updateEventRect = function (eventRectUpdate) {
+c3_chart_internal_fn.redrawEventRect = function () {
     var $$ = this,
+        d3 = $$.d3,
         config = $$.config,
         x,
         y,
         w,
-        h,
-        rectW,
-        rectX;
-
-    // set update selection if null
-    eventRectUpdate = eventRectUpdate || $$.eventRect.data(function (d) {
-        return d;
-    });
-
-    if ($$.isMultipleX()) {
-        // TODO: rotated not supported yet
-        x = 0;
-        y = 0;
-        w = $$.width;
-        h = $$.height;
-    } else {
-        if (($$.isCustomX() || $$.isTimeSeries()) && !$$.isCategorized()) {
-
-            // update index for x that is used by prevX and nextX
-            $$.updateXs();
-
-            rectW = function rectW(d) {
-                var prevX = $$.getPrevX(d.index),
-                    nextX = $$.getNextX(d.index);
-
-                // if there this is a single data point make the eventRect full width (or height)
-                if (prevX === null && nextX === null) {
-                    return config.axis_rotated ? $$.height : $$.width;
-                }
-
-                if (prevX === null) {
-                    prevX = $$.x.domain()[0];
-                }
-                if (nextX === null) {
-                    nextX = $$.x.domain()[1];
-                }
-
-                return Math.max(0, ($$.x(nextX) - $$.x(prevX)) / 2);
-            };
-            rectX = function rectX(d) {
-                var prevX = $$.getPrevX(d.index),
-                    nextX = $$.getNextX(d.index),
-                    thisX = $$.data.xs[d.id][d.index];
-
-                // if there this is a single data point position the eventRect at 0
-                if (prevX === null && nextX === null) {
-                    return 0;
-                }
-
-                if (prevX === null) {
-                    prevX = $$.x.domain()[0];
-                }
-
-                return ($$.x(thisX) + $$.x(prevX)) / 2;
-            };
-        } else {
-            rectW = $$.getEventRectWidth();
-            rectX = function rectX(d) {
-                return $$.x(d.x) - rectW / 2;
-            };
-        }
-        x = config.axis_rotated ? 0 : rectX;
-        y = config.axis_rotated ? rectX : 0;
-        w = config.axis_rotated ? $$.width : rectW;
-        h = config.axis_rotated ? rectW : $$.height;
-    }
-
-    eventRectUpdate.attr('class', $$.classEvent.bind($$)).attr("x", x).attr("y", y).attr("width", w).attr("height", h);
-};
-c3_chart_internal_fn.generateEventRectsForSingleX = function (eventRectEnter) {
-    var $$ = this,
-        d3 = $$.d3,
-        config = $$.config;
-    eventRectEnter.append("rect").attr("class", $$.classEvent.bind($$)).style("cursor", config.data_selection_enabled && config.data_selection_grouped ? "pointer" : null).on('mouseover', function (d) {
-        var index = d.index;
-
-        if ($$.dragging || $$.flowing) {
-            return;
-        } // do nothing while dragging/flowing
-        if ($$.hasArcType()) {
-            return;
-        }
-
-        // Expand shapes for selection
-        if (config.point_focus_expand_enabled) {
-            $$.expandCircles(index, null, true);
-        }
-        $$.expandBars(index, null, true);
-
-        // Call event handler
-        $$.main.selectAll('.' + CLASS.shape + '-' + index).each(function (d) {
-            config.data_onmouseover.call($$.api, d);
-        });
-    }).on('mouseout', function (d) {
-        var index = d.index;
-        if (!$$.config) {
-            return;
-        } // chart is destroyed
-        if ($$.hasArcType()) {
-            return;
-        }
-        $$.hideXGridFocus();
-        $$.hideTooltip();
-        // Undo expanded shapes
-        $$.unexpandCircles();
-        $$.unexpandBars();
-        // Call event handler
-        $$.main.selectAll('.' + CLASS.shape + '-' + index).each(function (d) {
-            config.data_onmouseout.call($$.api, d);
-        });
-    }).on('mousemove', function (d) {
-        var selectedData,
-            index = d.index,
-            eventRect = $$.svg.select('.' + CLASS.eventRect + '-' + index);
-
-        if ($$.dragging || $$.flowing) {
-            return;
-        } // do nothing while dragging/flowing
-        if ($$.hasArcType()) {
-            return;
-        }
-
-        if ($$.isStepType(d) && $$.config.line_step_type === 'step-after' && d3.mouse(this)[0] < $$.x($$.getXValue(d.id, index))) {
-            index -= 1;
-        }
-
-        // Show tooltip
-        selectedData = $$.filterTargetsToShow($$.data.targets).map(function (t) {
-            return $$.addName($$.getValueOnIndex(t.values, index));
-        });
-
-        if (config.tooltip_grouped) {
-            $$.showTooltip(selectedData, this);
-            $$.showXGridFocus(selectedData);
-        }
-
-        if (config.tooltip_grouped && (!config.data_selection_enabled || config.data_selection_grouped)) {
-            return;
-        }
-
-        $$.main.selectAll('.' + CLASS.shape + '-' + index).each(function () {
-            d3.select(this).classed(CLASS.EXPANDED, true);
-            if (config.data_selection_enabled) {
-                eventRect.style('cursor', config.data_selection_grouped ? 'pointer' : null);
-            }
-            if (!config.tooltip_grouped) {
-                $$.hideXGridFocus();
-                $$.hideTooltip();
-                if (!config.data_selection_grouped) {
-                    $$.unexpandCircles(index);
-                    $$.unexpandBars(index);
-                }
-            }
-        }).filter(function (d) {
-            return $$.isWithinShape(this, d);
-        }).each(function (d) {
-            if (config.data_selection_enabled && (config.data_selection_grouped || config.data_selection_isselectable(d))) {
-                eventRect.style('cursor', 'pointer');
-            }
-            if (!config.tooltip_grouped) {
-                $$.showTooltip([d], this);
-                $$.showXGridFocus([d]);
-                if (config.point_focus_expand_enabled) {
-                    $$.expandCircles(index, d.id, true);
-                }
-                $$.expandBars(index, d.id, true);
-            }
-        });
-    }).on('click', function (d) {
-        var index = d.index;
-        if ($$.hasArcType() || !$$.toggleShape) {
-            return;
-        }
-        if ($$.cancelClick) {
-            $$.cancelClick = false;
-            return;
-        }
-        if ($$.isStepType(d) && config.line_step_type === 'step-after' && d3.mouse(this)[0] < $$.x($$.getXValue(d.id, index))) {
-            index -= 1;
-        }
-        $$.main.selectAll('.' + CLASS.shape + '-' + index).each(function (d) {
-            if (config.data_selection_grouped || $$.isWithinShape(this, d)) {
-                $$.toggleShape(this, d, index);
-                $$.config.data_onclick.call($$.api, d, this);
-            }
-        });
-    }).call(config.data_selection_draggable && $$.drag ? d3.behavior.drag().origin(Object).on('drag', function () {
-        $$.drag(d3.mouse(this));
-    }).on('dragstart', function () {
-        $$.dragstart(d3.mouse(this));
-    }).on('dragend', function () {
-        $$.dragend();
-    }) : function () {});
-};
+        h;
 
-c3_chart_internal_fn.generateEventRectsForMultipleXs = function (eventRectEnter) {
-    var $$ = this,
-        d3 = $$.d3,
-        config = $$.config;
+    // TODO: rotated not supported yet
+    x = 0;
+    y = 0;
+    w = $$.width;
+    h = $$.height;
 
     function mouseout() {
         $$.svg.select('.' + CLASS.eventRect).style('cursor', null);
@@ -7023,17 +6751,19 @@ c3_chart_internal_fn.generateEventRectsForMultipleXs = function (eventRectEnter)
         $$.unexpandBars();
     }
 
-    eventRectEnter.append('rect').attr('x', 0).attr('y', 0).attr('width', $$.width).attr('height', $$.height).attr('class', CLASS.eventRect).on('mouseout', function () {
-        if (!$$.config) {
+    // rects for mouseover
+    $$.main.select('.' + CLASS.eventRects).style('cursor', config.zoom_enabled ? config.axis_rotated ? 'ns-resize' : 'ew-resize' : null);
+
+    $$.eventRect.attr('x', x).attr('y', y).attr('width', w).attr('height', h).on('mouseout', config.interaction_enabled ? function () {
+        if (!config) {
             return;
         } // chart is destroyed
         if ($$.hasArcType()) {
             return;
         }
         mouseout();
-    }).on('mousemove', function () {
-        var targetsToShow = $$.filterTargetsToShow($$.data.targets);
-        var mouse, closest, sameXData, selectedData;
+    } : null).on('mousemove', config.interaction_enabled ? function () {
+        var targetsToShow, mouse, closest, sameXData, selectedData;
 
         if ($$.dragging) {
             return;
@@ -7042,6 +6772,7 @@ c3_chart_internal_fn.generateEventRectsForMultipleXs = function (eventRectEnter)
             return;
         }
 
+        targetsToShow = $$.filterTargetsToShow($$.data.targets);
         mouse = d3.mouse(this);
         closest = $$.findClosestFromTargets(targetsToShow, mouse);
 
@@ -7069,7 +6800,10 @@ c3_chart_internal_fn.generateEventRectsForMultipleXs = function (eventRectEnter)
 
         // expand points
         if (config.point_focus_expand_enabled) {
-            $$.expandCircles(closest.index, closest.id, true);
+            $$.unexpandCircles();
+            selectedData.forEach(function (d) {
+                $$.expandCircles(d.index, d.id, false);
+            });
         }
         $$.expandBars(closest.index, closest.id, true);
 
@@ -7084,13 +6818,13 @@ c3_chart_internal_fn.generateEventRectsForMultipleXs = function (eventRectEnter)
                 $$.mouseover = closest;
             }
         }
-    }).on('click', function () {
-        var targetsToShow = $$.filterTargetsToShow($$.data.targets);
-        var mouse, closest;
+    } : null).on('click', config.interaction_enabled ? function () {
+        var targetsToShow, mouse, closest, sameXData;
         if ($$.hasArcType(targetsToShow)) {
             return;
         }
 
+        targetsToShow = $$.filterTargetsToShow($$.data.targets);
         mouse = d3.mouse(this);
         closest = $$.findClosestFromTargets(targetsToShow, mouse);
         if (!closest) {
@@ -7098,24 +6832,35 @@ c3_chart_internal_fn.generateEventRectsForMultipleXs = function (eventRectEnter)
         }
         // select if selection enabled
         if ($$.isBarType(closest.id) || $$.dist(closest, mouse) < config.point_sensitivity) {
-            $$.main.selectAll('.' + CLASS.shapes + $$.getTargetSelectorSuffix(closest.id)).selectAll('.' + CLASS.shape + '-' + closest.index).each(function () {
-                if (config.data_selection_grouped || $$.isWithinShape(this, closest)) {
-                    $$.toggleShape(this, closest, closest.index);
-                    $$.config.data_onclick.call($$.api, closest, this);
-                }
+            if ($$.isScatterType(closest) || !config.data_selection_grouped) {
+                sameXData = [closest];
+            } else {
+                sameXData = $$.filterByX(targetsToShow, closest.x);
+            }
+            sameXData.forEach(function (d) {
+                $$.main.selectAll('.' + CLASS.shapes + $$.getTargetSelectorSuffix(d.id)).selectAll('.' + CLASS.shape + '-' + d.index).each(function () {
+                    if (config.data_selection_grouped || $$.isWithinShape(this, d)) {
+                        $$.toggleShape(this, d, d.index);
+                        config.data_onclick.call($$.api, d, this);
+                    }
+                });
             });
         }
-    }).call(config.data_selection_draggable && $$.drag ? d3.behavior.drag().origin(Object).on('drag', function () {
+    } : null).call(config.interaction_enabled && config.data_selection_draggable && $$.drag ? d3.drag().on('drag', function () {
         $$.drag(d3.mouse(this));
-    }).on('dragstart', function () {
+    }).on('start', function () {
         $$.dragstart(d3.mouse(this));
-    }).on('dragend', function () {
+    }).on('end', function () {
         $$.dragend();
     }) : function () {});
 };
-c3_chart_internal_fn.dispatchEvent = function (type, index, mouse) {
+c3_chart_internal_fn.getMousePosition = function (data) {
+    var $$ = this;
+    return [$$.x(data.x), $$.getYScale(data.id)(data.value)];
+};
+c3_chart_internal_fn.dispatchEvent = function (type, mouse) {
     var $$ = this,
-        selector = '.' + CLASS.eventRect + (!$$.isMultipleX() ? '-' + index : ''),
+        selector = '.' + CLASS.eventRect,
         eventRect = $$.main.select(selector).node(),
         box = eventRect.getBoundingClientRect(),
         x = box.left + (mouse ? mouse[0] : 0),
@@ -7447,8 +7192,8 @@ c3_chart_internal_fn.updateLegend = function (targetIds, options, transitions) {
 
     texts = $$.legend.selectAll('text').data(targetIds).text(function (id) {
         return isDefined(config.data_names[id]) ? config.data_names[id] : id;
-    } // MEMO: needed for update
-    ).each(function (id, i) {
+    }) // MEMO: needed for update
+    .each(function (id, i) {
         updatePositions(this, id, i);
     });
     (withTransition ? texts.transition() : texts).attr('x', xForLegendText).attr('y', yForLegendText);
@@ -7496,25 +7241,15 @@ c3_chart_internal_fn.updateRegion = function (duration) {
     // hide if arc type
     $$.region.style('visibility', $$.hasArcType() ? 'hidden' : 'visible');
 
-    $$.mainRegion = $$.main.select('.' + CLASS.regions).selectAll('.' + CLASS.region).data(config.regions);
-    $$.mainRegion.enter().append('g').append('rect').style("fill-opacity", 0);
-    $$.mainRegion.attr('class', $$.classRegion.bind($$));
-    $$.mainRegion.exit().transition().duration(duration).style("opacity", 0).remove();
+    var mainRegion = $$.main.select('.' + CLASS.regions).selectAll('.' + CLASS.region).data(config.regions);
+    var mainRegionEnter = mainRegion.enter().append('rect').attr("x", $$.regionX.bind($$)).attr("y", $$.regionY.bind($$)).attr("width", $$.regionWidth.bind($$)).attr("height", $$.regionHeight.bind($$)).style("fill-opacity", 0);
+    $$.mainRegion = mainRegionEnter.merge(mainRegion).attr('class', $$.classRegion.bind($$));
+    mainRegion.exit().transition().duration(duration).style("opacity", 0).remove();
 };
-c3_chart_internal_fn.redrawRegion = function (withTransition) {
+c3_chart_internal_fn.redrawRegion = function (withTransition, transition) {
     var $$ = this,
-        regions = $$.mainRegion.selectAll('rect').each(function () {
-        // data is binded to g and it's not transferred to rect (child node) automatically,
-        // then data of each rect has to be updated manually.
-        // TODO: there should be more efficient way to solve this?
-        var parentData = $$.d3.select(this.parentNode).datum();
-        $$.d3.select(this).datum(parentData);
-    }),
-        x = $$.regionX.bind($$),
-        y = $$.regionY.bind($$),
-        w = $$.regionWidth.bind($$),
-        h = $$.regionHeight.bind($$);
-    return [(withTransition ? regions.transition() : regions).attr("x", x).attr("y", y).attr("width", w).attr("height", h).style("fill-opacity", function (d) {
+        regions = $$.mainRegion;
+    return [(withTransition ? regions.transition(transition) : regions).attr("x", $$.regionX.bind($$)).attr("y", $$.regionY.bind($$)).attr("width", $$.regionWidth.bind($$)).attr("height", $$.regionHeight.bind($$)).style("fill-opacity", function (d) {
         return isValue(d.opacity) ? d.opacity : 0.1;
     })];
 };
@@ -7573,7 +7308,7 @@ c3_chart_internal_fn.isRegionOnX = function (d) {
 };
 
 c3_chart_internal_fn.getScale = function (min, max, forTimeseries) {
-    return (forTimeseries ? this.d3.time.scale() : this.d3.scale.linear()).range([min, max]);
+    return (forTimeseries ? this.d3.scaleTime() : this.d3.scaleLinear()).range([min, max]);
 };
 c3_chart_internal_fn.getX = function (min, max, domain, offset) {
     var $$ = this,
@@ -7666,10 +7401,7 @@ c3_chart_internal_fn.updateScales = function () {
     // Set initialized scales to brush and zoom
     if (!forInit) {
         if ($$.brush) {
-            $$.brush.scale($$.subX);
-        }
-        if (config.zoom_enabled) {
-            $$.zoom.scale($$.x);
+            $$.brush.updateScale($$.subX);
         }
     }
     // update for arc
@@ -7768,15 +7500,15 @@ c3_chart_internal_fn.initBar = function () {
 c3_chart_internal_fn.updateTargetsForBar = function (targets) {
     var $$ = this,
         config = $$.config,
-        mainBarUpdate,
+        mainBars,
         mainBarEnter,
         classChartBar = $$.classChartBar.bind($$),
         classBars = $$.classBars.bind($$),
         classFocus = $$.classFocus.bind($$);
-    mainBarUpdate = $$.main.select('.' + CLASS.chartBars).selectAll('.' + CLASS.chartBar).data(targets).attr('class', function (d) {
+    mainBars = $$.main.select('.' + CLASS.chartBars).selectAll('.' + CLASS.chartBar).data(targets).attr('class', function (d) {
         return classChartBar(d) + classFocus(d);
     });
-    mainBarEnter = mainBarUpdate.enter().append('g').attr('class', classChartBar).style("pointer-events", "none");
+    mainBarEnter = mainBars.enter().append('g').attr('class', classChartBar).style("pointer-events", "none");
     // Bars for each data
     mainBarEnter.append('g').attr("class", classBars).style("cursor", function (d) {
         return config.data_selection_isselectable(d) ? "pointer" : null;
@@ -7790,13 +7522,13 @@ c3_chart_internal_fn.updateBar = function (durationForExit) {
         color = function color(d) {
         return $$.color(d.id);
     };
-    $$.mainBar = $$.main.selectAll('.' + CLASS.bars).selectAll('.' + CLASS.bar).data(barData);
-    $$.mainBar.enter().append('path').attr("class", classBar).style("stroke", color).style("fill", color);
-    $$.mainBar.style("opacity", initialOpacity);
-    $$.mainBar.exit().transition().duration(durationForExit).remove();
+    var mainBar = $$.main.selectAll('.' + CLASS.bars).selectAll('.' + CLASS.bar).data(barData);
+    var mainBarEnter = mainBar.enter().append('path').attr("class", classBar).style("stroke", color).style("fill", color);
+    $$.mainBar = mainBarEnter.merge(mainBar).style("opacity", initialOpacity);
+    mainBar.exit().transition().duration(durationForExit).style("opacity", 0);
 };
-c3_chart_internal_fn.redrawBar = function (drawBar, withTransition) {
-    return [(withTransition ? this.mainBar.transition(Math.random().toString()) : this.mainBar).attr('d', drawBar).style("stroke", this.color).style("fill", this.color).style("opacity", 1)];
+c3_chart_internal_fn.redrawBar = function (drawBar, withTransition, transition) {
+    return [(withTransition ? this.mainBar.transition(transition) : this.mainBar).attr('d', drawBar).style("stroke", this.color).style("fill", this.color).style("opacity", 1)];
 };
 c3_chart_internal_fn.getBarW = function (axis, barTargetsNum) {
     var $$ = this,
@@ -7862,9 +7594,8 @@ c3_chart_internal_fn.generateGetBarPoints = function (barIndices, isSub) {
         return [[posX + barSpaceOffset, offset], [posX + barSpaceOffset, posY - (y0 - offset)], [posX + barW - barSpaceOffset, posY - (y0 - offset)], [posX + barW - barSpaceOffset, offset]];
     };
 };
-c3_chart_internal_fn.isWithinBar = function (that) {
-    var mouse = this.d3.mouse(that),
-        box = that.getBoundingClientRect(),
+c3_chart_internal_fn.isWithinBar = function (mouse, that) {
+    var box = that.getBoundingClientRect(),
         seg0 = that.pathSegList.getItem(0),
         seg1 = that.pathSegList.getItem(1),
         x = Math.min(seg0.x, seg1.x),
@@ -7964,15 +7695,37 @@ c3_chart_internal_fn.isWithinShape = function (that, d) {
     } else if (that.nodeName === 'circle') {
         isWithin = $$.isStepType(d) ? $$.isWithinStep(that, $$.getYScale(d.id)(d.value)) : $$.isWithinCircle(that, $$.pointSelectR(d) * 1.5);
     } else if (that.nodeName === 'path') {
-        isWithin = shape.classed(CLASS.bar) ? $$.isWithinBar(that) : true;
+        isWithin = shape.classed(CLASS.bar) ? $$.isWithinBar($$.d3.mouse(that), that) : true;
     }
     return isWithin;
 };
 
 c3_chart_internal_fn.getInterpolate = function (d) {
     var $$ = this,
-        interpolation = $$.isInterpolationType($$.config.spline_interpolation_type) ? $$.config.spline_interpolation_type : 'cardinal';
-    return $$.isSplineType(d) ? interpolation : $$.isStepType(d) ? $$.config.line_step_type : "linear";
+        d3 = $$.d3,
+        types = {
+        'linear': d3.curveLinear,
+        'linear-closed': d3.curveLinearClosed,
+        'basis': d3.curveBasis,
+        'basis-open': d3.curveBasisOpen,
+        'basis-closed': d3.curveBasisClosed,
+        'bundle': d3.curveBundle,
+        'cardinal': d3.curveCardinal,
+        'cardinal-open': d3.curveCardinalOpen,
+        'cardinal-closed': d3.curveCardinalClosed,
+        'monotone': d3.curveMonotoneX,
+        'step': d3.curveStep
+    },
+        type;
+
+    if ($$.isSplineType(d)) {
+        type = types[$$.config.spline_interpolation_type] || types.cardinal;
+    } else if ($$.isStepType(d)) {
+        type = types[$$.config.line_step_type];
+    } else {
+        type = types.linear;
+    }
+    return type;
 };
 
 c3_chart_internal_fn.initLine = function () {
@@ -7982,17 +7735,17 @@ c3_chart_internal_fn.initLine = function () {
 c3_chart_internal_fn.updateTargetsForLine = function (targets) {
     var $$ = this,
         config = $$.config,
-        mainLineUpdate,
+        mainLines,
         mainLineEnter,
         classChartLine = $$.classChartLine.bind($$),
         classLines = $$.classLines.bind($$),
         classAreas = $$.classAreas.bind($$),
         classCircles = $$.classCircles.bind($$),
         classFocus = $$.classFocus.bind($$);
-    mainLineUpdate = $$.main.select('.' + CLASS.chartLines).selectAll('.' + CLASS.chartLine).data(targets).attr('class', function (d) {
+    mainLines = $$.main.select('.' + CLASS.chartLines).selectAll('.' + CLASS.chartLine).data(targets).attr('class', function (d) {
         return classChartLine(d) + classFocus(d);
     });
-    mainLineEnter = mainLineUpdate.enter().append('g').attr('class', classChartLine).style('opacity', 0).style("pointer-events", "none");
+    mainLineEnter = mainLines.enter().append('g').attr('class', classChartLine).style('opacity', 0).style("pointer-events", "none");
     // Lines for each data
     mainLineEnter.append('g').attr("class", classLines);
     // Areas
@@ -8015,20 +7768,20 @@ c3_chart_internal_fn.updateTargetsForLine = function (targets) {
 };
 c3_chart_internal_fn.updateLine = function (durationForExit) {
     var $$ = this;
-    $$.mainLine = $$.main.selectAll('.' + CLASS.lines).selectAll('.' + CLASS.line).data($$.lineData.bind($$));
-    $$.mainLine.enter().append('path').attr('class', $$.classLine.bind($$)).style("stroke", $$.color);
-    $$.mainLine.style("opacity", $$.initialOpacity.bind($$)).style('shape-rendering', function (d) {
+    var mainLine = $$.main.selectAll('.' + CLASS.lines).selectAll('.' + CLASS.line).data($$.lineData.bind($$));
+    var mainLineEnter = mainLine.enter().append('path').attr('class', $$.classLine.bind($$)).style("stroke", $$.color);
+    $$.mainLine = mainLineEnter.merge(mainLine).style("opacity", $$.initialOpacity.bind($$)).style('shape-rendering', function (d) {
         return $$.isStepType(d) ? 'crispEdges' : '';
     }).attr('transform', null);
-    $$.mainLine.exit().transition().duration(durationForExit).style('opacity', 0).remove();
+    mainLine.exit().transition().duration(durationForExit).style('opacity', 0);
 };
-c3_chart_internal_fn.redrawLine = function (drawLine, withTransition) {
-    return [(withTransition ? this.mainLine.transition(Math.random().toString()) : this.mainLine).attr("d", drawLine).style("stroke", this.color).style("opacity", 1)];
+c3_chart_internal_fn.redrawLine = function (drawLine, withTransition, transition) {
+    return [(withTransition ? this.mainLine.transition(transition) : this.mainLine).attr("d", drawLine).style("stroke", this.color).style("opacity", 1)];
 };
 c3_chart_internal_fn.generateDrawLine = function (lineIndices, isSub) {
     var $$ = this,
         config = $$.config,
-        line = $$.d3.svg.line(),
+        line = $$.d3.line(),
         getPoints = $$.generateGetLinePoints(lineIndices, isSub),
         yScaleGetter = isSub ? $$.getSubYScale : $$.getYScale,
         xValue = function xValue(d) {
@@ -8058,7 +7811,7 @@ c3_chart_internal_fn.generateDrawLine = function (lineIndices, isSub) {
                 if ($$.isStepType(d)) {
                     values = $$.convertValuesToStep(values);
                 }
-                path = line.interpolate($$.getInterpolate(d))(values);
+                path = line.curve($$.getInterpolate(d))(values);
             }
         } else {
             if (values[0]) {
@@ -8219,20 +7972,20 @@ c3_chart_internal_fn.lineWithRegions = function (d, x, y, _regions) {
 c3_chart_internal_fn.updateArea = function (durationForExit) {
     var $$ = this,
         d3 = $$.d3;
-    $$.mainArea = $$.main.selectAll('.' + CLASS.areas).selectAll('.' + CLASS.area).data($$.lineData.bind($$));
-    $$.mainArea.enter().append('path').attr("class", $$.classArea.bind($$)).style("fill", $$.color).style("opacity", function () {
+    var mainArea = $$.main.selectAll('.' + CLASS.areas).selectAll('.' + CLASS.area).data($$.lineData.bind($$));
+    var mainAreaEnter = mainArea.enter().append('path').attr("class", $$.classArea.bind($$)).style("fill", $$.color).style("opacity", function () {
         $$.orgAreaOpacity = +d3.select(this).style('opacity');return 0;
     });
-    $$.mainArea.style("opacity", $$.orgAreaOpacity);
-    $$.mainArea.exit().transition().duration(durationForExit).style('opacity', 0).remove();
+    $$.mainArea = mainAreaEnter.merge(mainArea).style("opacity", $$.orgAreaOpacity);
+    mainArea.exit().transition().duration(durationForExit).style('opacity', 0);
 };
-c3_chart_internal_fn.redrawArea = function (drawArea, withTransition) {
-    return [(withTransition ? this.mainArea.transition(Math.random().toString()) : this.mainArea).attr("d", drawArea).style("fill", this.color).style("opacity", this.orgAreaOpacity)];
+c3_chart_internal_fn.redrawArea = function (drawArea, withTransition, transition) {
+    return [(withTransition ? this.mainArea.transition(transition) : this.mainArea).attr("d", drawArea).style("fill", this.color).style("opacity", this.orgAreaOpacity)];
 };
 c3_chart_internal_fn.generateDrawArea = function (areaIndices, isSub) {
     var $$ = this,
         config = $$.config,
-        area = $$.d3.svg.area(),
+        area = $$.d3.area(),
         getPoints = $$.generateGetAreaPoints(areaIndices, isSub),
         yScaleGetter = isSub ? $$.getSubYScale : $$.getYScale,
         xValue = function xValue(d) {
@@ -8261,7 +8014,7 @@ c3_chart_internal_fn.generateDrawArea = function (areaIndices, isSub) {
             if ($$.isStepType(d)) {
                 values = $$.convertValuesToStep(values);
             }
-            path = area.interpolate($$.getInterpolate(d))(values);
+            path = area.curve($$.getInterpolate(d))(values);
         } else {
             if (values[0]) {
                 x0 = $$.x(values[0].x);
@@ -8303,16 +8056,17 @@ c3_chart_internal_fn.generateGetAreaPoints = function (areaIndices, isSub) {
     };
 };
 
-c3_chart_internal_fn.updateCircle = function () {
+c3_chart_internal_fn.updateCircle = function (cx, cy) {
     var $$ = this;
-    $$.mainCircle = $$.main.selectAll('.' + CLASS.circles).selectAll('.' + CLASS.circle).data($$.lineOrScatterData.bind($$));
-    $$.mainCircle.enter().append("circle").attr("class", $$.classCircle.bind($$)).attr("r", $$.pointR.bind($$)).style("fill", $$.color);
-    $$.mainCircle.style("opacity", $$.initialOpacityForCircle.bind($$));
-    $$.mainCircle.exit().remove();
+    var mainCircle = $$.main.selectAll('.' + CLASS.circles).selectAll('.' + CLASS.circle).data($$.lineOrScatterData.bind($$));
+    var mainCircleEnter = mainCircle.enter().append("circle").attr("class", $$.classCircle.bind($$)).attr("cx", cx).attr("cy", cy).attr("r", $$.pointR.bind($$)).style("fill", $$.color);
+    $$.mainCircle = mainCircleEnter.merge(mainCircle).style("opacity", $$.initialOpacityForCircle.bind($$));
+    mainCircle.exit().style("opacity", 0);
 };
-c3_chart_internal_fn.redrawCircle = function (cx, cy, withTransition) {
-    var selectedCircles = this.main.selectAll('.' + CLASS.selectedCircle);
-    return [(withTransition ? this.mainCircle.transition(Math.random().toString()) : this.mainCircle).style('opacity', this.opacityForCircle.bind(this)).style("fill", this.color).attr("cx", cx).attr("cy", cy), (withTransition ? selectedCircles.transition(Math.random().toString()) : selectedCircles).attr("cx", cx).attr("cy", cy)];
+c3_chart_internal_fn.redrawCircle = function (cx, cy, withTransition, transition) {
+    var $$ = this,
+        selectedCircles = $$.main.selectAll('.' + CLASS.selectedCircle);
+    return [(withTransition ? $$.mainCircle.transition(transition) : $$.mainCircle).style('opacity', this.opacityForCircle.bind($$)).style("fill", $$.color).attr("cx", cx).attr("cy", cy), (withTransition ? selectedCircles.transition(transition) : selectedCircles).attr("cx", cx).attr("cy", cy)];
 };
 c3_chart_internal_fn.circleX = function (d) {
     return d.x || d.x === 0 ? this.x(d.x) : null;
@@ -8510,25 +8264,67 @@ c3_chart_internal_fn.getHorizontalAxisHeight = function (axisId) {
     return h + ($$.axis.getLabelPositionById(axisId).isInner ? 0 : 10) + (axisId === 'y2' ? -10 : 0);
 };
 
-c3_chart_internal_fn.getEventRectWidth = function () {
-    return Math.max(0, this.xAxis.tickInterval());
-};
-
-c3_chart_internal_fn.initBrush = function () {
+c3_chart_internal_fn.initBrush = function (scale) {
     var $$ = this,
         d3 = $$.d3;
-    $$.brush = d3.svg.brush().on("brush", function () {
+    // TODO: dynamically change brushY/brushX according to axis_rotated.
+    $$.brush = ($$.config.axis_rotated ? d3.brushY() : d3.brushX()).on("brush", function () {
+        var event = d3.event.sourceEvent;
+        if (event && event.type === "zoom") {
+            return;
+        }
         $$.redrawForBrush();
+    }).on("end", function () {
+        var event = d3.event.sourceEvent;
+        if (event && event.type === "zoom") {
+            return;
+        }
+        if ($$.brush.empty() && event && event.type !== 'end') {
+            $$.brush.clear();
+        }
     });
-    $$.brush.update = function () {
-        if ($$.context) {
-            $$.context.select('.' + CLASS.brush).call(this);
+    $$.brush.updateExtent = function () {
+        var range = this.scale.range(),
+            extent;
+        if ($$.config.axis_rotated) {
+            extent = [[0, range[0]], [$$.width2, range[1]]];
+        } else {
+            extent = [[range[0], 0], [range[1], $$.height2]];
         }
+        this.extent(extent);
+        return this;
+    };
+    $$.brush.updateScale = function (scale) {
+        this.scale = scale;
         return this;
     };
-    $$.brush.scale = function (scale) {
-        return $$.config.axis_rotated ? this.y(scale) : this.x(scale);
+    $$.brush.update = function (scale) {
+        this.updateScale(scale || $$.subX).updateExtent();
+        $$.context.select('.' + CLASS.brush).call(this);
+    };
+    $$.brush.clear = function () {
+        $$.context.select('.' + CLASS.brush).call($$.brush.move, null);
+    };
+    $$.brush.selection = function () {
+        return d3.brushSelection($$.context.select('.' + CLASS.brush).node());
+    };
+    $$.brush.selectionAsValue = function (selectionAsValue) {
+        var selection;
+        if (selectionAsValue) {
+            if ($$.context) {
+                selection = [this.scale(selectionAsValue[0]), this.scale(selectionAsValue[1])];
+                $$.brush.move($$.context.select('.' + CLASS.brush).transition(), selection);
+            }
+            return [];
+        }
+        selection = $$.brush.selection() || [0, 0];
+        return [this.scale.invert(selection[0]), this.scale.invert(selection[1])];
+    };
+    $$.brush.empty = function () {
+        var selection = $$.brush.selection();
+        return !selection || selection[0] === selection[1];
     };
+    return $$.brush.updateScale(scale);
 };
 c3_chart_internal_fn.initSubchart = function () {
     var $$ = this,
@@ -8536,6 +8332,7 @@ c3_chart_internal_fn.initSubchart = function () {
         context = $$.context = $$.svg.append("g").attr("transform", $$.getTranslate('context')),
         visibility = config.subchart_show ? 'visible' : 'hidden';
 
+    // set style
     context.style('visibility', visibility);
 
     // Define g for chart area
@@ -8548,20 +8345,26 @@ c3_chart_internal_fn.initSubchart = function () {
     context.select('.' + CLASS.chart).append("g").attr("class", CLASS.chartLines);
 
     // Add extent rect for Brush
-    context.append("g").attr("clip-path", $$.clipPath).attr("class", CLASS.brush).call($$.brush);
+    context.append("g").attr("clip-path", $$.clipPath).attr("class", CLASS.brush);
 
     // ATTENTION: This must be called AFTER chart added
     // Add Axis
-    $$.axes.subx = context.append("g").attr("class", CLASS.axisX).attr("transform", $$.getTranslate('subx')).attr("clip-path", config.axis_rotated ? "" : $$.clipPathForXAxis).style("visibility", config.subchart_axis_x_show ? visibility : 'hidden');
+    $$.axes.subx = context.append("g").attr("class", CLASS.axisX).attr("transform", $$.getTranslate('subx')).attr("clip-path", config.axis_rotated ? "" : $$.clipPathForXAxis);
+};
+c3_chart_internal_fn.initSubchartBrush = function () {
+    var $$ = this;
+    // Add extent rect for Brush
+    $$.initBrush($$.subX).updateExtent();
+    $$.context.select('.' + CLASS.brush).call($$.brush);
 };
 c3_chart_internal_fn.updateTargetsForSubchart = function (targets) {
     var $$ = this,
         context = $$.context,
         config = $$.config,
         contextLineEnter,
-        contextLineUpdate,
+        contextLine,
         contextBarEnter,
-        contextBarUpdate,
+        contextBar,
         classChartBar = $$.classChartBar.bind($$),
         classBars = $$.classBars.bind($$),
         classChartLine = $$.classChartLine.bind($$),
@@ -8570,14 +8373,16 @@ c3_chart_internal_fn.updateTargetsForSubchart = function (targets) {
 
     if (config.subchart_show) {
         //-- Bar --//
-        contextBarUpdate = context.select('.' + CLASS.chartBars).selectAll('.' + CLASS.chartBar).data(targets).attr('class', classChartBar);
-        contextBarEnter = contextBarUpdate.enter().append('g').style('opacity', 0).attr('class', classChartBar);
+        contextBar = context.select('.' + CLASS.chartBars).selectAll('.' + CLASS.chartBar).data(targets);
+        contextBarEnter = contextBar.enter().append('g').style('opacity', 0);
+        contextBarEnter.merge(contextBar).attr('class', classChartBar);
         // Bars for each data
         contextBarEnter.append('g').attr("class", classBars);
 
         //-- Line --//
-        contextLineUpdate = context.select('.' + CLASS.chartLines).selectAll('.' + CLASS.chartLine).data(targets).attr('class', classChartLine);
-        contextLineEnter = contextLineUpdate.enter().append('g').style('opacity', 0).attr('class', classChartLine);
+        contextLine = context.select('.' + CLASS.chartLines).selectAll('.' + CLASS.chartLine).data(targets);
+        contextLineEnter = contextLine.enter().append('g').style('opacity', 0);
+        contextLineEnter.merge(contextLine).attr('class', classChartLine);
         // Lines for each data
         contextLineEnter.append("g").attr("class", classLines);
         // Area
@@ -8589,20 +8394,20 @@ c3_chart_internal_fn.updateTargetsForSubchart = function (targets) {
 };
 c3_chart_internal_fn.updateBarForSubchart = function (durationForExit) {
     var $$ = this;
-    $$.contextBar = $$.context.selectAll('.' + CLASS.bars).selectAll('.' + CLASS.bar).data($$.barData.bind($$));
-    $$.contextBar.enter().append('path').attr("class", $$.classBar.bind($$)).style("stroke", 'none').style("fill", $$.color);
-    $$.contextBar.style("opacity", $$.initialOpacity.bind($$));
-    $$.contextBar.exit().transition().duration(durationForExit).style('opacity', 0).remove();
+    var contextBar = $$.context.selectAll('.' + CLASS.bars).selectAll('.' + CLASS.bar).data($$.barData.bind($$));
+    var contextBarEnter = contextBar.enter().append('path').attr("class", $$.classBar.bind($$)).style("stroke", 'none').style("fill", $$.color);
+    contextBar.exit().transition().duration(durationForExit).style('opacity', 0).remove();
+    $$.contextBar = contextBarEnter.merge(contextBar).style("opacity", $$.initialOpacity.bind($$));
 };
 c3_chart_internal_fn.redrawBarForSubchart = function (drawBarOnSub, withTransition, duration) {
     (withTransition ? this.contextBar.transition(Math.random().toString()).duration(duration) : this.contextBar).attr('d', drawBarOnSub).style('opacity', 1);
 };
 c3_chart_internal_fn.updateLineForSubchart = function (durationForExit) {
     var $$ = this;
-    $$.contextLine = $$.context.selectAll('.' + CLASS.lines).selectAll('.' + CLASS.line).data($$.lineData.bind($$));
-    $$.contextLine.enter().append('path').attr('class', $$.classLine.bind($$)).style('stroke', $$.color);
-    $$.contextLine.style("opacity", $$.initialOpacity.bind($$));
-    $$.contextLine.exit().transition().duration(durationForExit).style('opacity', 0).remove();
+    var contextLine = $$.context.selectAll('.' + CLASS.lines).selectAll('.' + CLASS.line).data($$.lineData.bind($$));
+    var contextLineEnter = contextLine.enter().append('path').attr('class', $$.classLine.bind($$)).style('stroke', $$.color);
+    contextLine.exit().transition().duration(durationForExit).style('opacity', 0).remove();
+    $$.contextLine = contextLineEnter.merge(contextLine).style("opacity", $$.initialOpacity.bind($$));
 };
 c3_chart_internal_fn.redrawLineForSubchart = function (drawLineOnSub, withTransition, duration) {
     (withTransition ? this.contextLine.transition(Math.random().toString()).duration(duration) : this.contextLine).attr("d", drawLineOnSub).style('opacity', 1);
@@ -8610,12 +8415,12 @@ c3_chart_internal_fn.redrawLineForSubchart = function (drawLineOnSub, withTransi
 c3_chart_internal_fn.updateAreaForSubchart = function (durationForExit) {
     var $$ = this,
         d3 = $$.d3;
-    $$.contextArea = $$.context.selectAll('.' + CLASS.areas).selectAll('.' + CLASS.area).data($$.lineData.bind($$));
-    $$.contextArea.enter().append('path').attr("class", $$.classArea.bind($$)).style("fill", $$.color).style("opacity", function () {
+    var contextArea = $$.context.selectAll('.' + CLASS.areas).selectAll('.' + CLASS.area).data($$.lineData.bind($$));
+    var contextAreaEnter = contextArea.enter().append('path').attr("class", $$.classArea.bind($$)).style("fill", $$.color).style("opacity", function () {
         $$.orgAreaOpacity = +d3.select(this).style('opacity');return 0;
     });
-    $$.contextArea.style("opacity", 0);
-    $$.contextArea.exit().transition().duration(durationForExit).style('opacity', 0).remove();
+    contextArea.exit().transition().duration(durationForExit).style('opacity', 0).remove();
+    $$.contextArea = contextAreaEnter.merge(contextArea).style("opacity", 0);
 };
 c3_chart_internal_fn.redrawAreaForSubchart = function (drawAreaOnSub, withTransition, duration) {
     (withTransition ? this.contextArea.transition(Math.random().toString()).duration(duration) : this.contextArea).attr("d", drawAreaOnSub).style("fill", this.color).style("opacity", this.orgAreaOpacity);
@@ -8634,14 +8439,13 @@ c3_chart_internal_fn.redrawSubchart = function (withSubchart, transitions, durat
     if (config.subchart_show) {
         // reflect main chart to extent on subchart if zoomed
         if (d3.event && d3.event.type === 'zoom') {
-            $$.brush.extent($$.x.orgDomain()).update();
+            $$.brush.selectionAsValue($$.x.orgDomain());
         }
         // update subchart elements if needed
         if (withSubchart) {
-
             // extent rect
             if (!$$.brush.empty()) {
-                $$.brush.extent($$.x.orgDomain()).update();
+                $$.brush.selectionAsValue($$.x.orgDomain());
             }
             // setup drawer - MEMO: this must be called after axis updated
             drawAreaOnSub = $$.generateDrawArea(areaIndices, true);
@@ -8660,14 +8464,20 @@ c3_chart_internal_fn.redrawSubchart = function (withSubchart, transitions, durat
 };
 c3_chart_internal_fn.redrawForBrush = function () {
     var $$ = this,
-        x = $$.x;
+        x = $$.x,
+        d3 = $$.d3,
+        s;
     $$.redraw({
         withTransition: false,
         withY: $$.config.zoom_rescale,
         withSubchart: false,
         withUpdateXDomain: true,
+        withEventRect: false,
         withDimension: false
     });
+    // update zoom transation binded to event rect
+    s = d3.event.selection || $$.brush.scale.range();
+    $$.main.select('.' + CLASS.eventRect).call($$.zoom.transform, d3.zoomIdentity.scale($$.width / (s[1] - s[0])).translate(-s[0], 0));
     $$.config.subchart_onbrush.call($$.api, x.orgDomain());
 };
 c3_chart_internal_fn.transformContext = function (withTransition, transitions) {
@@ -8684,14 +8494,14 @@ c3_chart_internal_fn.transformContext = function (withTransition, transitions) {
     $$.context.attr("transform", $$.getTranslate('context'));
     subXAxis.attr("transform", $$.getTranslate('subx'));
 };
-c3_chart_internal_fn.getDefaultExtent = function () {
+c3_chart_internal_fn.getDefaultSelection = function () {
     var $$ = this,
         config = $$.config,
-        extent = isFunction(config.axis_x_extent) ? config.axis_x_extent($$.getXDomain($$.data.targets)) : config.axis_x_extent;
+        selection = isFunction(config.axis_x_selection) ? config.axis_x_selection($$.getXDomain($$.data.targets)) : config.axis_x_selection;
     if ($$.isTimeSeries()) {
-        extent = [$$.parseDate(extent[0]), $$.parseDate(extent[1])];
+        selection = [$$.parseDate(selection[0]), $$.parseDate(selection[1])];
     }
-    return extent;
+    return selection;
 };
 
 c3_chart_internal_fn.initText = function () {
@@ -8701,35 +8511,34 @@ c3_chart_internal_fn.initText = function () {
 };
 c3_chart_internal_fn.updateTargetsForText = function (targets) {
     var $$ = this,
-        mainTextUpdate,
-        mainTextEnter,
         classChartText = $$.classChartText.bind($$),
         classTexts = $$.classTexts.bind($$),
         classFocus = $$.classFocus.bind($$);
-    mainTextUpdate = $$.main.select('.' + CLASS.chartTexts).selectAll('.' + CLASS.chartText).data(targets).attr('class', function (d) {
+    var mainText = $$.main.select('.' + CLASS.chartTexts).selectAll('.' + CLASS.chartText).data(targets);
+    var mainTextEnter = mainText.enter().append('g').attr('class', classChartText).style('opacity', 0).style("pointer-events", "none");
+    mainTextEnter.append('g').attr('class', classTexts);
+    mainTextEnter.merge(mainText).attr('class', function (d) {
         return classChartText(d) + classFocus(d);
     });
-    mainTextEnter = mainTextUpdate.enter().append('g').attr('class', classChartText).style('opacity', 0).style("pointer-events", "none");
-    mainTextEnter.append('g').attr('class', classTexts);
 };
-c3_chart_internal_fn.updateText = function (durationForExit) {
+c3_chart_internal_fn.updateText = function (xForText, yForText, durationForExit) {
     var $$ = this,
         config = $$.config,
         barOrLineData = $$.barOrLineData.bind($$),
         classText = $$.classText.bind($$);
-    $$.mainText = $$.main.selectAll('.' + CLASS.texts).selectAll('.' + CLASS.text).data(barOrLineData);
-    $$.mainText.enter().append('text').attr("class", classText).attr('text-anchor', function (d) {
+    var mainText = $$.main.selectAll('.' + CLASS.texts).selectAll('.' + CLASS.text).data(barOrLineData);
+    var mainTextEnter = mainText.enter().append('text').attr("class", classText).attr('text-anchor', function (d) {
         return config.axis_rotated ? d.value < 0 ? 'end' : 'start' : 'middle';
-    }).style("stroke", 'none').style("fill", function (d) {
+    }).style("stroke", 'none').attr('x', xForText).attr('y', yForText).style("fill", function (d) {
         return $$.color(d);
     }).style("fill-opacity", 0);
-    $$.mainText.text(function (d, i, j) {
+    $$.mainText = mainTextEnter.merge(mainText).text(function (d, i, j) {
         return $$.dataLabelFormat(d.id)(d.value, d.id, i, j);
     });
-    $$.mainText.exit().transition().duration(durationForExit).style('fill-opacity', 0).remove();
+    mainText.exit().transition().duration(durationForExit).style('fill-opacity', 0).remove();
 };
-c3_chart_internal_fn.redrawText = function (xForText, yForText, forFlow, withTransition) {
-    return [(withTransition ? this.mainText.transition() : this.mainText).attr('x', xForText).attr('y', yForText).style("fill", this.color).style("fill-opacity", forFlow ? 0 : this.opacityForText.bind(this))];
+c3_chart_internal_fn.redrawText = function (xForText, yForText, forFlow, withTransition, transition) {
+    return [(withTransition ? this.mainText.transition(transition) : this.mainText).attr('x', xForText).attr('y', yForText).style("fill", this.color).style("fill-opacity", forFlow ? 0 : this.opacityForText.bind(this))];
 };
 c3_chart_internal_fn.getTextRect = function (text, cls, element) {
     var dummy = this.d3.select('body').append('div').classed('c3', true),
@@ -9135,9 +8944,6 @@ c3_chart_internal_fn.lineOrScatterData = function (d) {
 c3_chart_internal_fn.barOrLineData = function (d) {
     return this.isBarType(d) || this.isLineType(d) ? d.values : [];
 };
-c3_chart_internal_fn.isInterpolationType = function (type) {
-    return ['linear', 'linear-closed', 'basis', 'basis-open', 'basis-closed', 'bundle', 'cardinal', 'cardinal-open', 'cardinal-closed', 'monotone'].indexOf(type) >= 0;
-};
 
 c3_chart_internal_fn.isSafari = function () {
     var ua = window.navigator.userAgent;
@@ -9154,36 +8960,53 @@ c3_chart_internal_fn.initZoom = function () {
         config = $$.config,
         startEvent;
 
-    $$.zoom = d3.behavior.zoom().on("zoomstart", function () {
-        startEvent = d3.event.sourceEvent;
-        $$.zoom.altDomain = d3.event.sourceEvent.altKey ? $$.x.orgDomain() : null;
-        config.zoom_onzoomstart.call($$.api, d3.event.sourceEvent);
+    $$.zoom = d3.zoom().on("start", function () {
+        var e = d3.event.sourceEvent;
+        if (e && e.type === "brush") {
+            return;
+        }
+        startEvent = e;
+        config.zoom_onzoomstart.call($$.api, e);
     }).on("zoom", function () {
+        var e = d3.event.sourceEvent;
+        if (e && e.type === "brush") {
+            return;
+        }
         $$.redrawForZoom.call($$);
-    }).on('zoomend', function () {
-        var event = d3.event.sourceEvent;
+    }).on('end', function () {
+        var e = d3.event.sourceEvent;
+        if (e && e.type === "brush") {
+            return;
+        }
         // if click, do nothing. otherwise, click interaction will be canceled.
-        if (event && startEvent.clientX === event.clientX && startEvent.clientY === event.clientY) {
+        if (e && startEvent.clientX === e.clientX && startEvent.clientY === e.clientY) {
             return;
         }
-        $$.redrawEventRect();
-        $$.updateZoom();
         config.zoom_onzoomend.call($$.api, $$.x.orgDomain());
     });
-    $$.zoom.scale = function (scale) {
-        return config.axis_rotated ? this.y(scale) : this.x(scale);
-    };
-    $$.zoom.orgScaleExtent = function () {
-        var extent = config.zoom_extent ? config.zoom_extent : [1, 10];
-        return [extent[0], Math.max($$.getMaxDataCount() / extent[1], extent[1])];
+
+    $$.zoom.updateDomain = function () {
+        if (d3.event && d3.event.transform) {
+            $$.x.domain(d3.event.transform.rescaleX($$.subX).domain());
+        }
+        return this;
     };
-    $$.zoom.updateScaleExtent = function () {
-        var ratio = diffDomain($$.x.orgDomain()) / diffDomain($$.getZoomDomain()),
-            extent = this.orgScaleExtent();
-        this.scaleExtent([extent[0] * ratio, extent[1] * ratio]);
+    $$.zoom.updateExtent = function () {
+        this.scaleExtent([1, Infinity]).translateExtent([[0, 0], [$$.width, $$.height]]).extent([[0, 0], [$$.width, $$.height]]);
         return this;
     };
+    $$.zoom.update = function () {
+        return this.updateExtent().updateDomain();
+    };
+
+    return $$.zoom.updateExtent();
+};
+c3_chart_internal_fn.zoomTransform = function (range) {
+    var $$ = this,
+        s = [$$.x(range[0]), $$.x(range[1])];
+    return $$.d3.zoomIdentity.scale($$.width / (s[1] - s[0])).translate(-s[0], 0);
 };
+
 c3_chart_internal_fn.getZoomDomain = function () {
     var $$ = this,
         config = $$.config,
@@ -9192,12 +9015,6 @@ c3_chart_internal_fn.getZoomDomain = function () {
         max = d3.max([$$.orgXDomain[1], config.zoom_x_max]);
     return [min, max];
 };
-c3_chart_internal_fn.updateZoom = function () {
-    var $$ = this,
-        z = $$.config.zoom_enabled ? $$.zoom : function () {};
-    $$.main.select('.' + CLASS.zoomRect).call(z).on("dblclick.zoom", null);
-    $$.main.selectAll('.' + CLASS.eventRect).call(z).on("dblclick.zoom", null);
-};
 c3_chart_internal_fn.redrawForZoom = function () {
     var $$ = this,
         d3 = $$.d3,
@@ -9210,11 +9027,9 @@ c3_chart_internal_fn.redrawForZoom = function () {
     if ($$.filterTargetsToShow($$.data.targets).length === 0) {
         return;
     }
-    if (d3.event.sourceEvent.type === 'mousemove' && zoom.altDomain) {
-        x.domain(zoom.altDomain);
-        zoom.scale(x).updateScaleExtent();
-        return;
-    }
+
+    zoom.update();
+
     if ($$.isCategorized() && x.orgDomain()[0] === $$.orgXDomain[0]) {
         x.domain([$$.orgXDomain[0] - 1e-10, x.orgDomain()[1]]);
     }
@@ -9225,7 +9040,7 @@ c3_chart_internal_fn.redrawForZoom = function () {
         withEventRect: false,
         withDimension: false
     });
-    if (d3.event.sourceEvent.type === 'mousemove') {
+    if (d3.event.sourceEvent && d3.event.sourceEvent.type === 'mousemove') {
         $$.cancelClick = true;
     }
     config.zoom_onzoom.call($$.api, x.orgDomain());
diff --git a/c3.min.js b/c3.min.js
index f190816..f373078 100644
--- a/c3.min.js
+++ b/c3.min.js
@@ -1 +1 @@
-!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?module.exports=e():"function"==typeof define&&define.amd?define(e):t.c3=e()}(this,function(){"use strict";function t(t,e){var i=this;i.component=t,i.params=e||{},i.d3=t.d3,i.scale=i.d3.scale.linear(),i.range,i.orient="bottom",i.innerTickSize=6,i.outerTickSize=this.params.withOuterTick?6:0,i.tickPadding=3,i.tickValues=null,i.tickFormat,i.tickArguments,i.tickOffset=0,i.tickCulling=!0,i.tickCentered,i.tickTextCharSize,i.tickTextRotate=i.params.tickTextRotate,i.tickLength,i.axis=i.generateAxis()}function e(t){var e=this.internal=new i(this);e.loadConfig(t),e.beforeInit(t),e.init(),e.afterInit(t),function t(e,i,n){Object.keys(e).forEach(function(a){i[a]=e[a].bind(n),Object.keys(e[a]).length>0&&t(e[a],i[a],n)})}(P,this,this)}function i(t){var e=this;e.d3=window.d3?window.d3:"undefined"!=typeof require?require("d3"):void 0,e.api=t,e.config=e.getDefaultConfig(),e.data={},e.cache={},e.axes={}}var n,a,r={target:"c3-target",chart:"c3-chart",chartLine:"c3-chart-line",chartLines:"c3-chart-lines",chartBar:"c3-chart-bar",chartBars:"c3-chart-bars",chartText:"c3-chart-text",chartTexts:"c3-chart-texts",chartArc:"c3-chart-arc",chartArcs:"c3-chart-arcs",chartArcsTitle:"c3-chart-arcs-title",chartArcsBackground:"c3-chart-arcs-background",chartArcsGaugeUnit:"c3-chart-arcs-gauge-unit",chartArcsGaugeMax:"c3-chart-arcs-gauge-max",chartArcsGaugeMin:"c3-chart-arcs-gauge-min",selectedCircle:"c3-selected-circle",selectedCircles:"c3-selected-circles",eventRect:"c3-event-rect",eventRects:"c3-event-rects",eventRectsSingle:"c3-event-rects-single",eventRectsMultiple:"c3-event-rects-multiple",zoomRect:"c3-zoom-rect",brush:"c3-brush",focused:"c3-focused",defocused:"c3-defocused",region:"c3-region",regions:"c3-regions",title:"c3-title",tooltipContainer:"c3-tooltip-container",tooltip:"c3-tooltip",tooltipName:"c3-tooltip-name",shape:"c3-shape",shapes:"c3-shapes",line:"c3-line",lines:"c3-lines",bar:"c3-bar",bars:"c3-bars",circle:"c3-circle",circles:"c3-circles",arc:"c3-arc",arcs:"c3-arcs",area:"c3-area",areas:"c3-areas",empty:"c3-empty",text:"c3-text",texts:"c3-texts",gaugeValue:"c3-gauge-value",grid:"c3-grid",gridLines:"c3-grid-lines",xgrid:"c3-xgrid",xgrids:"c3-xgrids",xgridLine:"c3-xgrid-line",xgridLines:"c3-xgrid-lines",xgridFocus:"c3-xgrid-focus",ygrid:"c3-ygrid",ygrids:"c3-ygrids",ygridLine:"c3-ygrid-line",ygridLines:"c3-ygrid-lines",axis:"c3-axis",axisX:"c3-axis-x",axisXLabel:"c3-axis-x-label",axisY:"c3-axis-y",axisYLabel:"c3-axis-y-label",axisY2:"c3-axis-y2",axisY2Label:"c3-axis-y2-label",legendBackground:"c3-legend-background",legendItem:"c3-legend-item",legendItemEvent:"c3-legend-item-event",legendItemTile:"c3-legend-item-tile",legendItemHidden:"c3-legend-item-hidden",legendItemFocused:"c3-legend-item-focused",dragarea:"c3-dragarea",EXPANDED:"_expanded_",SELECTED:"_selected_",INCLUDED:"_included_"},o="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(t){return typeof t}:function(t){return t&&"function"==typeof Symbol&&t.constructor===Symbol&&t!==Symbol.prototype?"symbol":typeof t},s=function(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")},c=function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function, not "+typeof e);t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,enumerable:!1,writable:!0,configurable:!0}}),e&&(Object.setPrototypeOf?Object.setPrototypeOf(t,e):t.__proto__=e)},d=function(t,e){if(!t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return!e||"object"!=typeof e&&"function"!=typeof e?t:e},l=function(t){return t||0===t},u=function(t){return"function"==typeof t},h=function(t){return Array.isArray(t)},g=function(t){return"string"==typeof t},f=function(t){return void 0===t},p=function(t){return void 0!==t},_=function(t){return 10*Math.ceil(t/10)},x=function(t){return Math.ceil(t)+.5},m=function(t){return t[1]-t[0]},y=function(t){return void 0===t||null===t||g(t)&&0===t.length||"object"===(void 0===t?"undefined":o(t))&&0===Object.keys(t).length},S=function(t){return!C.isEmpty(t)},w=function(t,e,i){return void 0!==t[e]?t[e]:i},v=function(t,e){var i=!1;return Object.keys(t).forEach(function(n){t[n]===e&&(i=!0)}),i},b=function(t){return"string"==typeof t?t.replace(/</g,"&lt;").replace(/>/g,"&gt;"):t},T=function(t){var e=t.getBoundingClientRect(),i=[t.pathSegList.getItem(0),t.pathSegList.getItem(1)];return{x:i[0].x,y:Math.min(i[0].y,i[1].y),width:e.width,height:e.height}};(a=t.prototype).axisX=function(t,e,i){t.attr("transform",function(t){return"translate("+Math.ceil(e(t)+i)+", 0)"})},a.axisY=function(t,e){t.attr("transform",function(t){return"translate(0,"+Math.ceil(e(t))+")"})},a.scaleExtent=function(t){var e=t[0],i=t[t.length-1];return e<i?[e,i]:[i,e]},a.generateTicks=function(t){var e,i,n=this,a=[];if(t.ticks)return t.ticks.apply(t,n.tickArguments);for(i=t.domain(),e=Math.ceil(i[0]);e<i[1];e++)a.push(e);return a.length>0&&a[0]>0&&a.unshift(a[0]-(a[1]-a[0])),a},a.copyScale=function(){var t,e=this,i=e.scale.copy();return e.params.isCategory&&(t=e.scale.domain(),i.domain([t[0],t[1]-1])),i},a.textFormatted=function(t){var e=this,i=e.tickFormat?e.tickFormat(t):t;return void 0!==i?i:""},a.updateRange=function(){var t=this;return t.range=t.scale.rangeExtent?t.scale.rangeExtent():t.scaleExtent(t.scale.range()),t.range},a.updateTickTextCharSize=function(t){var e=this;if(e.tickTextCharSize)return e.tickTextCharSize;var i={h:11.5,w:5.5};return t.select("text").text(function(t){return e.textFormatted(t)}).each(function(t){var n=this.getBoundingClientRect(),a=e.textFormatted(t),r=n.height,o=a?n.width/a.length:void 0;r&&o&&(i.h=r,i.w=o)}).text(""),e.tickTextCharSize=i,i},a.transitionise=function(t){return this.params.withoutTransition?t:this.d3.transition(t)},a.isVertical=function(){return"left"===this.orient||"right"===this.orient},a.tspanData=function(t,e,i,n){var a=this,r=a.params.tickMultiline?a.splitTickText(t,i,n):[].concat(a.textFormatted(t));return r.map(function(t){return{index:e,splitted:t,length:r.length}})},a.splitTickText=function(t,e,i){function n(t,e){r=void 0;for(var i=1;i<e.length;i++)if(" "===e.charAt(i)&&(r=i),a=e.substr(0,i+1),o=s.tickTextCharSize.w*a.length,d<o)return n(t.concat(e.substr(0,r||i)),e.slice(r?r+1:i));return t.concat(e)}var a,r,o,s=this,c=s.textFormatted(t),d=s.params.tickWidth,l=[];return"[object Array]"===Object.prototype.toString.call(c)?c:((!d||d<=0)&&(d=s.isVertical()?95:s.params.isCategory?Math.ceil(i(e[1])-i(e[0]))-12:110),n(l,c+""))},a.updateTickLength=function(){var t=this;t.tickLength=Math.max(t.innerTickSize,0)+t.tickPadding},a.lineY2=function(t){var e=this,i=e.scale(t)+(e.tickCentered?0:e.tickOffset);return e.range[0]<i&&i<e.range[1]?e.innerTickSize:0},a.textY=function(){var t=this,e=t.tickTextRotate;return e?11.5-e/15*2.5*(e>0?1:-1):t.tickLength},a.textTransform=function(){var t=this.tickTextRotate;return t?"rotate("+t+")":""},a.textTextAnchor=function(){var t=this.tickTextRotate;return t?t>0?"start":"end":"middle"},a.tspanDx=function(){var t=this.tickTextRotate;return t?8*Math.sin(Math.PI*(t/180)):0},a.tspanDy=function(t,e){var i=this,n=i.tickTextCharSize.h;return 0===e&&(n=i.isVertical()?-((t.length-1)*(i.tickTextCharSize.h/2)-3):".71em"),n},a.generateAxis=function(){function t(a){a.each(function(){var a,r,o,s=t.g=i.select(this),c=this.__chart__||e.scale,d=this.__chart__=e.copyScale(),l=e.tickValues?e.tickValues:e.generateTicks(d),u=s.selectAll(".tick").data(l,d),h=u.enter().insert("g",".domain").attr("class","tick").style("opacity",1e-6),g=u.exit().remove(),f=e.transitionise(u).style("opacity",1);n.isCategory?(e.tickOffset=Math.ceil((d(1)-d(0))/2),r=e.tickCentered?0:e.tickOffset,o=e.tickCentered?e.tickOffset:0):e.tickOffset=r=0,h.append("line"),h.append("text"),e.updateRange(),e.updateTickLength(),e.updateTickTextCharSize(s.select(".tick"));var p=f.select("line"),_=f.select("text"),x=u.select("text").selectAll("tspan").data(function(t,i){return e.tspanData(t,i,l,d)});x.enter().append("tspan"),x.exit().remove(),x.text(function(t){return t.splitted});var m=s.selectAll(".domain").data([0]),y=(m.enter().append("path").attr("class","domain"),e.transitionise(m));switch(e.orient){case"bottom":a=e.axisX,p.attr("x1",r).attr("x2",r).attr("y2",function(t,i){return e.lineY2(t,i)}),_.attr("x",0).attr("y",function(t,i){return e.textY(t,i)}).attr("transform",function(t,i){return e.textTransform(t,i)}).style("text-anchor",function(t,i){return e.textTextAnchor(t,i)}),x.attr("x",0).attr("dy",function(t,i){return e.tspanDy(t,i)}).attr("dx",function(t,i){return e.tspanDx(t,i)}),y.attr("d","M"+e.range[0]+","+e.outerTickSize+"V0H"+e.range[1]+"V"+e.outerTickSize);break;case"top":a=e.axisX,p.attr("x2",0).attr("y2",-e.innerTickSize),_.attr("x",0).attr("y",-e.tickLength).style("text-anchor","middle"),x.attr("x",0).attr("dy","0em"),y.attr("d","M"+e.range[0]+","+-e.outerTickSize+"V0H"+e.range[1]+"V"+-e.outerTickSize);break;case"left":a=e.axisY,p.attr("x2",-e.innerTickSize).attr("y1",o).attr("y2",o),_.attr("x",-e.tickLength).attr("y",e.tickOffset).style("text-anchor","end"),x.attr("x",-e.tickLength).attr("dy",function(t,i){return e.tspanDy(t,i)}),y.attr("d","M"+-e.outerTickSize+","+e.range[0]+"H0V"+e.range[1]+"H"+-e.outerTickSize);break;case"right":a=e.axisY,p.attr("x2",e.innerTickSize).attr("y2",0),_.attr("x",e.tickLength).attr("y",0).style("text-anchor","start"),x.attr("x",e.tickLength).attr("dy",function(t,i){return e.tspanDy(t,i)}),y.attr("d","M"+e.outerTickSize+","+e.range[0]+"H0V"+e.range[1]+"H"+e.outerTickSize)}if(d.rangeBand){var S=d,w=S.rangeBand()/2;c=d=function(t){return S(t)+w}}else c.rangeBand?c=d:g.call(a,d,e.tickOffset);h.call(a,c,e.tickOffset),f.call(a,d,e.tickOffset)})}var e=this,i=e.d3,n=e.params;return t.scale=function(i){return arguments.length?(e.scale=i,t):e.scale},t.orient=function(i){return arguments.length?(e.orient=i in{top:1,right:1,bottom:1,left:1}?i+"":"bottom",t):e.orient},t.tickFormat=function(i){return arguments.length?(e.tickFormat=i,t):e.tickFormat},t.tickCentered=function(i){return arguments.length?(e.tickCentered=i,t):e.tickCentered},t.tickOffset=function(){return e.tickOffset},t.tickInterval=function(){var i;return i=n.isCategory?2*e.tickOffset:(t.g.select("path.domain").node().getTotalLength()-2*e.outerTickSize)/t.g.selectAll("line").size(),i===1/0?0:i},t.ticks=function(){return arguments.length?(e.tickArguments=arguments,t):e.tickArguments},t.tickCulling=function(i){return arguments.length?(e.tickCulling=i,t):e.tickCulling},t.tickValues=function(i){if("function"==typeof i)e.tickValues=function(){return i(e.scale.domain())};else{if(!arguments.length)return e.tickValues;e.tickValues=i}return t},t};var A=function(e){function i(e){s(this,i);var r={fn:n,internal:{fn:a}},o=d(this,(i.__proto__||Object.getPrototypeOf(i)).call(this,e,"axis",r));return o.d3=e.d3,o.internal=t,o}return c(i,e),i}(function(t,e,i){this.owner=t,L.chart.internal[e]=i});(n=A.prototype).init=function(){var t=this.owner,e=t.config,i=t.main;t.axes.x=i.append("g").attr("class",r.axis+" "+r.axisX).attr("clip-path",t.clipPathForXAxis).attr("transform",t.getTranslate("x")).style("visibility",e.axis_x_show?"visible":"hidden"),t.axes.x.append("text").attr("class",r.axisXLabel).attr("transform",e.axis_rotated?"rotate(-90)":"").style("text-anchor",this.textAnchorForXAxisLabel.bind(this)),t.axes.y=i.append("g").attr("class",r.axis+" "+r.axisY).attr("clip-path",e.axis_y_inner?"":t.clipPathForYAxis).attr("transform",t.getTranslate("y")).style("visibility",e.axis_y_show?"visible":"hidden"),t.axes.y.append("text").attr("class",r.axisYLabel).attr("transform",e.axis_rotated?"":"rotate(-90)").style("text-anchor",this.textAnchorForYAxisLabel.bind(this)),t.axes.y2=i.append("g").attr("class",r.axis+" "+r.axisY2).attr("transform",t.getTranslate("y2")).style("visibility",e.axis_y2_show?"visible":"hidden"),t.axes.y2.append("text").attr("class",r.axisY2Label).attr("transform",e.axis_rotated?"":"rotate(-90)").style("text-anchor",this.textAnchorForY2AxisLabel.bind(this))},n.getXAxis=function(t,e,i,n,a,r,o){var s=this.owner,c=s.config,d={isCategory:s.isCategorized(),withOuterTick:a,tickMultiline:c.axis_x_tick_multiline,tickWidth:c.axis_x_tick_width,tickTextRotate:o?0:c.axis_x_tick_rotate,withoutTransition:r},l=new this.internal(this,d).axis.scale(t).orient(e);return s.isTimeSeries()&&n&&"function"!=typeof n&&(n=n.map(function(t){return s.parseDate(t)})),l.tickFormat(i).tickValues(n),s.isCategorized()&&(l.tickCentered(c.axis_x_tick_centered),y(c.axis_x_tick_culling)&&(c.axis_x_tick_culling=!1)),l},n.updateXAxisTickValues=function(t,e){var i,n=this.owner,a=n.config;return(a.axis_x_tick_fit||a.axis_x_tick_count)&&(i=this.generateTickValues(n.mapTargetsToUniqueXs(t),a.axis_x_tick_count,n.isTimeSeries())),e?e.tickValues(i):(n.xAxis.tickValues(i),n.subXAxis.tickValues(i)),i},n.getYAxis=function(t,e,i,n,a,r,o){var s=this.owner,c=s.config,d={withOuterTick:a,withoutTransition:r,tickTextRotate:o?0:c.axis_y_tick_rotate},l=new this.internal(this,d).axis.scale(t).orient(e).tickFormat(i);return s.isTimeSeriesY()?l.ticks(s.d3.time[c.axis_y_tick_time_value],c.axis_y_tick_time_interval):l.tickValues(n),l},n.getId=function(t){var e=this.owner.config;return t in e.data_axes?e.data_axes[t]:"y"},n.getXAxisTickFormat=function(){var t=this.owner,e=t.config,i=t.isTimeSeries()?t.defaultAxisTimeFormat:t.isCategorized()?t.categoryName:function(t){return t<0?t.toFixed(0):t};return e.axis_x_tick_format&&(u(e.axis_x_tick_format)?i=e.axis_x_tick_format:t.isTimeSeries()&&(i=function(i){return i?t.axisTimeFormat(e.axis_x_tick_format)(i):""})),u(i)?function(e){return i.call(t,e)}:i},n.getTickValues=function(t,e){return t||(e?e.tickValues():void 0)},n.getXAxisTickValues=function(){return this.getTickValues(this.owner.config.axis_x_tick_values,this.owner.xAxis)},n.getYAxisTickValues=function(){return this.getTickValues(this.owner.config.axis_y_tick_values,this.owner.yAxis)},n.getY2AxisTickValues=function(){return this.getTickValues(this.owner.config.axis_y2_tick_values,this.owner.y2Axis)},n.getLabelOptionByAxisId=function(t){var e,i=this.owner.config;return"y"===t?e=i.axis_y_label:"y2"===t?e=i.axis_y2_label:"x"===t&&(e=i.axis_x_label),e},n.getLabelText=function(t){var e=this.getLabelOptionByAxisId(t);return g(e)?e:e?e.text:null},n.setLabelText=function(t,e){var i=this.owner.config,n=this.getLabelOptionByAxisId(t);g(n)?"y"===t?i.axis_y_label=e:"y2"===t?i.axis_y2_label=e:"x"===t&&(i.axis_x_label=e):n&&(n.text=e)},n.getLabelPosition=function(t,e){var i=this.getLabelOptionByAxisId(t),n=i&&"object"===(void 0===i?"undefined":o(i))&&i.position?i.position:e;return{isInner:n.indexOf("inner")>=0,isOuter:n.indexOf("outer")>=0,isLeft:n.indexOf("left")>=0,isCenter:n.indexOf("center")>=0,isRight:n.indexOf("right")>=0,isTop:n.indexOf("top")>=0,isMiddle:n.indexOf("middle")>=0,isBottom:n.indexOf("bottom")>=0}},n.getXAxisLabelPosition=function(){return this.getLabelPosition("x",this.owner.config.axis_rotated?"inner-top":"inner-right")},n.getYAxisLabelPosition=function(){return this.getLabelPosition("y",this.owner.config.axis_rotated?"inner-right":"inner-top")},n.getY2AxisLabelPosition=function(){return this.getLabelPosition("y2",this.owner.config.axis_rotated?"inner-right":"inner-top")},n.getLabelPositionById=function(t){return"y2"===t?this.getY2AxisLabelPosition():"y"===t?this.getYAxisLabelPosition():this.getXAxisLabelPosition()},n.textForXAxisLabel=function(){return this.getLabelText("x")},n.textForYAxisLabel=function(){return this.getLabelText("y")},n.textForY2AxisLabel=function(){return this.getLabelText("y2")},n.xForAxisLabel=function(t,e){var i=this.owner;return t?e.isLeft?0:e.isCenter?i.width/2:i.width:e.isBottom?-i.height:e.isMiddle?-i.height/2:0},n.dxForAxisLabel=function(t,e){return t?e.isLeft?"0.5em":e.isRight?"-0.5em":"0":e.isTop?"-0.5em":e.isBottom?"0.5em":"0"},n.textAnchorForAxisLabel=function(t,e){return t?e.isLeft?"start":e.isCenter?"middle":"end":e.isBottom?"start":e.isMiddle?"middle":"end"},n.xForXAxisLabel=function(){return this.xForAxisLabel(!this.owner.config.axis_rotated,this.getXAxisLabelPosition())},n.xForYAxisLabel=function(){return this.xForAxisLabel(this.owner.config.axis_rotated,this.getYAxisLabelPosition())},n.xForY2AxisLabel=function(){return this.xForAxisLabel(this.owner.config.axis_rotated,this.getY2AxisLabelPosition())},n.dxForXAxisLabel=function(){return this.dxForAxisLabel(!this.owner.config.axis_rotated,this.getXAxisLabelPosition())},n.dxForYAxisLabel=function(){return this.dxForAxisLabel(this.owner.config.axis_rotated,this.getYAxisLabelPosition())},n.dxForY2AxisLabel=function(){return this.dxForAxisLabel(this.owner.config.axis_rotated,this.getY2AxisLabelPosition())},n.dyForXAxisLabel=function(){var t=this.owner.config,e=this.getXAxisLabelPosition();return t.axis_rotated?e.isInner?"1.2em":-25-this.getMaxTickWidth("x"):e.isInner?"-0.5em":t.axis_x_height?t.axis_x_height-10:"3em"},n.dyForYAxisLabel=function(){var t=this.owner,e=this.getYAxisLabelPosition();return t.config.axis_rotated?e.isInner?"-0.5em":"3em":e.isInner?"1.2em":-10-(t.config.axis_y_inner?0:this.getMaxTickWidth("y")+10)},n.dyForY2AxisLabel=function(){var t=this.owner,e=this.getY2AxisLabelPosition();return t.config.axis_rotated?e.isInner?"1.2em":"-2.2em":e.isInner?"-0.5em":15+(t.config.axis_y2_inner?0:this.getMaxTickWidth("y2")+15)},n.textAnchorForXAxisLabel=function(){var t=this.owner;return this.textAnchorForAxisLabel(!t.config.axis_rotated,this.getXAxisLabelPosition())},n.textAnchorForYAxisLabel=function(){var t=this.owner;return this.textAnchorForAxisLabel(t.config.axis_rotated,this.getYAxisLabelPosition())},n.textAnchorForY2AxisLabel=function(){var t=this.owner;return this.textAnchorForAxisLabel(t.config.axis_rotated,this.getY2AxisLabelPosition())},n.getMaxTickWidth=function(t,e){var i,n,a,r,o=this.owner,s=o.config,c=0;return e&&o.currentMaxTickWidths[t]?o.currentMaxTickWidths[t]:(o.svg&&(i=o.filterTargetsToShow(o.data.targets),"y"===t?(n=o.y.copy().domain(o.getYDomain(i,"y")),a=this.getYAxis(n,o.yOrient,s.axis_y_tick_format,o.yAxisTickValues,!1,!0,!0)):"y2"===t?(n=o.y2.copy().domain(o.getYDomain(i,"y2")),a=this.getYAxis(n,o.y2Orient,s.axis_y2_tick_format,o.y2AxisTickValues,!1,!0,!0)):(n=o.x.copy().domain(o.getXDomain(i)),a=this.getXAxis(n,o.xOrient,o.xAxisTickFormat,o.xAxisTickValues,!1,!0,!0),this.updateXAxisTickValues(i,a)),(r=o.d3.select("body").append("div").classed("c3",!0)).append("svg").style("visibility","hidden").style("position","fixed").style("top",0).style("left",0).append("g").call(a).each(function(){o.d3.select(this).selectAll("text").each(function(){var t=this.getBoundingClientRect();c<t.width&&(c=t.width)}),r.remove()})),o.currentMaxTickWidths[t]=c<=0?o.currentMaxTickWidths[t]:c,o.currentMaxTickWidths[t])},n.updateLabels=function(t){var e=this.owner,i=e.main.select("."+r.axisX+" ."+r.axisXLabel),n=e.main.select("."+r.axisY+" ."+r.axisYLabel),a=e.main.select("."+r.axisY2+" ."+r.axisY2Label);(t?i.transition():i).attr("x",this.xForXAxisLabel.bind(this)).attr("dx",this.dxForXAxisLabel.bind(this)).attr("dy",this.dyForXAxisLabel.bind(this)).text(this.textForXAxisLabel.bind(this)),(t?n.transition():n).attr("x",this.xForYAxisLabel.bind(this)).attr("dx",this.dxForYAxisLabel.bind(this)).attr("dy",this.dyForYAxisLabel.bind(this)).text(this.textForYAxisLabel.bind(this)),(t?a.transition():a).attr("x",this.xForY2AxisLabel.bind(this)).attr("dx",this.dxForY2AxisLabel.bind(this)).attr("dy",this.dyForY2AxisLabel.bind(this)).text(this.textForY2AxisLabel.bind(this))},n.getPadding=function(t,e,i,n){var a="number"==typeof t?t:t[e];return l(a)?"ratio"===t.unit?t[e]*n:this.convertPixelsToAxisPadding(a,n):i},n.convertPixelsToAxisPadding=function(t,e){var i=this.owner;return e*(t/(i.config.axis_rotated?i.width:i.height))},n.generateTickValues=function(t,e,i){var n,a,r,o,s,c,d,l=t;if(e)if(1===(n=u(e)?e():e))l=[t[0]];else if(2===n)l=[t[0],t[t.length-1]];else if(n>2){for(o=n-2,a=t[0],s=((r=t[t.length-1])-a)/(o+1),l=[a],c=0;c<o;c++)d=+a+s*(c+1),l.push(i?new Date(d):d);l.push(r)}return i||(l=l.sort(function(t,e){return t-e})),l},n.generateTransitions=function(t){var e=this.owner.axes;return{axisX:t?e.x.transition().duration(t):e.x,axisY:t?e.y.transition().duration(t):e.y,axisY2:t?e.y2.transition().duration(t):e.y2,axisSubX:t?e.subx.transition().duration(t):e.subx}},n.redraw=function(t,e){var i=this.owner;i.axes.x.style("opacity",e?0:1),i.axes.y.style("opacity",e?0:1),i.axes.y2.style("opacity",e?0:1),i.axes.subx.style("opacity",e?0:1),t.axisX.call(i.xAxis),t.axisY.call(i.yAxis),t.axisY2.call(i.y2Axis),t.axisSubX.call(i.subXAxis)};var P,C,L={version:"0.4.18"};return L.generate=function(t){return new e(t)},L.chart={fn:e.prototype,internal:{fn:i.prototype}},P=L.chart.fn,C=L.chart.internal.fn,C.beforeInit=function(){},C.afterInit=function(){},C.init=function(){var t=this,e=t.config;if(t.initParams(),e.data_url)t.convertUrlToData(e.data_url,e.data_mimeType,e.data_headers,e.data_keys,t.initWithData);else if(e.data_json)t.initWithData(t.convertJsonToData(e.data_json,e.data_keys));else if(e.data_rows)t.initWithData(t.convertRowsToData(e.data_rows));else{if(!e.data_columns)throw Error("url or json or rows or columns is required.");t.initWithData(t.convertColumnsToData(e.data_columns))}},C.initParams=function(){var t=this,e=t.d3,i=t.config;t.clipId="c3-"+ +new Date+"-clip",t.clipIdForXAxis=t.clipId+"-xaxis",t.clipIdForYAxis=t.clipId+"-yaxis",t.clipIdForGrid=t.clipId+"-grid",t.clipIdForSubchart=t.clipId+"-subchart",t.clipPath=t.getClipPath(t.clipId),t.clipPathForXAxis=t.getClipPath(t.clipIdForXAxis),t.clipPathForYAxis=t.getClipPath(t.clipIdForYAxis),t.clipPathForGrid=t.getClipPath(t.clipIdForGrid),t.clipPathForSubchart=t.getClipPath(t.clipIdForSubchart),t.dragStart=null,t.dragging=!1,t.flowing=!1,t.cancelClick=!1,t.mouseover=!1,t.transiting=!1,t.color=t.generateColor(),t.levelColor=t.generateLevelColor(),t.dataTimeFormat=i.data_xLocaltime?e.time.format:e.time.format.utc,t.axisTimeFormat=i.axis_x_localtime?e.time.format:e.time.format.utc,t.defaultAxisTimeFormat=t.axisTimeFormat.multi([[".%L",function(t){return t.getMilliseconds()}],[":%S",function(t){return t.getSeconds()}],["%I:%M",function(t){return t.getMinutes()}],["%I %p",function(t){return t.getHours()}],["%-m/%-d",function(t){return t.getDay()&&1!==t.getDate()}],["%-m/%-d",function(t){return 1!==t.getDate()}],["%-m/%-d",function(t){return t.getMonth()}],["%Y/%-m/%-d",function(){return!0}]]),t.hiddenTargetIds=[],t.hiddenLegendIds=[],t.focusedTargetIds=[],t.defocusedTargetIds=[],t.xOrient=i.axis_rotated?"left":"bottom",t.yOrient=i.axis_rotated?i.axis_y_inner?"top":"bottom":i.axis_y_inner?"right":"left",t.y2Orient=i.axis_rotated?i.axis_y2_inner?"bottom":"top":i.axis_y2_inner?"left":"right",t.subXOrient=i.axis_rotated?"left":"bottom",t.isLegendRight="right"===i.legend_position,t.isLegendInset="inset"===i.legend_position,t.isLegendTop="top-left"===i.legend_inset_anchor||"top-right"===i.legend_inset_anchor,t.isLegendLeft="top-left"===i.legend_inset_anchor||"bottom-left"===i.legend_inset_anchor,t.legendStep=0,t.legendItemWidth=0,t.legendItemHeight=0,t.currentMaxTickWidths={x:0,y:0,y2:0},t.rotated_padding_left=30,t.rotated_padding_right=i.axis_rotated&&!i.axis_x_show?0:30,t.rotated_padding_top=5,t.withoutFadeIn={},t.intervalForObserveInserted=void 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window.SVGPathSegLinetoHorizontalAbs(void 0,t)},window.SVGPathElement.prototype.createSVGPathSegLinetoHorizontalRel=function(t){return new window.SVGPathSegLinetoHorizontalRel(void 0,t)},window.SVGPathElement.prototype.createSVGPathSegLinetoVerticalAbs=function(t){return new window.SVGPathSegLinetoVerticalAbs(void 0,t)},window.SVGPathElement.prototype.createSVGPathSegLinetoVerticalRel=function(t){return new window.SVGPathSegLinetoVerticalRel(void 0,t)},window.SVGPathElement.prototype.createSVGPathSegCurvetoCubicSmoothAbs=function(t,e,i,n){return new window.SVGPathSegCurvetoCubicSmoothAbs(void 0,t,e,i,n)},window.SVGPathElement.prototype.createSVGPathSegCurvetoCubicSmoothRel=function(t,e,i,n){return new window.SVGPathSegCurvetoCubicSmoothRel(void 0,t,e,i,n)},window.SVGPathElement.prototype.createSVGPathSegCurvetoQuadraticSmoothAbs=function(t,e){return new window.SVGPathSegCurvetoQuadraticSmoothAbs(void 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e=this._list[t];return this._list.splice(t,1),this._writeListToPath(),e},window.SVGPathSegList.prototype.appendItem=function(t){return this._checkPathSynchronizedToList(),t._owningPathSegList&&(t=t.clone()),this._list.push(t),t._owningPathSegList=this,this._writeListToPath(),t},window.SVGPathSegList._pathSegArrayAsString=function(t){var e="",i=!0;return t.forEach(function(t){i?(i=!1,e+=t._asPathString()):e+=" "+t._asPathString()}),e},window.SVGPathSegList.prototype._parsePath=function(t){if(!t||0==t.length)return[];var e=this,i=function(){this.pathSegList=[]};i.prototype.appendSegment=function(t){this.pathSegList.push(t)};var n=function(t){this._string=t,this._currentIndex=0,this._endIndex=this._string.length,this._previousCommand=window.SVGPathSeg.PATHSEG_UNKNOWN,this._skipOptionalSpaces()};n.prototype._isCurrentSpace=function(){var t=this._string[this._currentIndex];return t<=" "&&(" 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window.SVGPathSeg.PATHSEG_MOVETO_REL;case"L":return window.SVGPathSeg.PATHSEG_LINETO_ABS;case"l":return window.SVGPathSeg.PATHSEG_LINETO_REL;case"C":return window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS;case"c":return window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL;case"Q":return window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS;case"q":return window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL;case"A":return window.SVGPathSeg.PATHSEG_ARC_ABS;case"a":return window.SVGPathSeg.PATHSEG_ARC_REL;case"H":return window.SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS;case"h":return window.SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL;case"V":return window.SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS;case"v":return window.SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL;case"S":return window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS;case"s":return window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL;case"T":return window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS;case"t":return window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL;default:return window.SVGPathSeg.PATHSEG_UNKNOWN}},n.prototype._nextCommandHelper=function(t,e){return("+"==t||"-"==t||"."==t||t>="0"&&t<="9")&&e!=window.SVGPathSeg.PATHSEG_CLOSEPATH?e==window.SVGPathSeg.PATHSEG_MOVETO_ABS?window.SVGPathSeg.PATHSEG_LINETO_ABS:e==window.SVGPathSeg.PATHSEG_MOVETO_REL?window.SVGPathSeg.PATHSEG_LINETO_REL:e:window.SVGPathSeg.PATHSEG_UNKNOWN},n.prototype.initialCommandIsMoveTo=function(){if(!this.hasMoreData())return!0;var t=this.peekSegmentType();return t==window.SVGPathSeg.PATHSEG_MOVETO_ABS||t==window.SVGPathSeg.PATHSEG_MOVETO_REL},n.prototype._parseNumber=function(){var t=0,e=0,i=1,n=0,a=1,r=1,o=this._currentIndex;if(this._skipOptionalSpaces(),this._currentIndex<this._endIndex&&"+"==this._string.charAt(this._currentIndex)?this._currentIndex++:this._currentIndex<this._endIndex&&"-"==this._string.charAt(this._currentIndex)&&(this._currentIndex++,a=-1),!(this._currentIndex==this._endIndex||(this._string.charAt(this._currentIndex)<"0"||this._string.charAt(this._currentIndex)>"9")&&"."!=this._string.charAt(this._currentIndex))){for(var s=this._currentIndex;this._currentIndex<this._endIndex&&this._string.charAt(this._currentIndex)>="0"&&this._string.charAt(this._currentIndex)<="9";)this._currentIndex++;if(this._currentIndex!=s)for(var c=this._currentIndex-1,d=1;c>=s;)e+=d*(this._string.charAt(c--)-"0"),d*=10;if(this._currentIndex<this._endIndex&&"."==this._string.charAt(this._currentIndex)){if(++this._currentIndex>=this._endIndex||this._string.charAt(this._currentIndex)<"0"||this._string.charAt(this._currentIndex)>"9")return;for(;this._currentIndex<this._endIndex&&this._string.charAt(this._currentIndex)>="0"&&this._string.charAt(this._currentIndex)<="9";)i*=10,n+=(this._string.charAt(this._currentIndex)-"0")/i,this._currentIndex+=1}if(this._currentIndex!=o&&this._currentIndex+1<this._endIndex&&("e"==this._string.charAt(this._currentIndex)||"E"==this._string.charAt(this._currentIndex))&&"x"!=this._string.charAt(this._currentIndex+1)&&"m"!=this._string.charAt(this._currentIndex+1)){if(this._currentIndex++,"+"==this._string.charAt(this._currentIndex)?this._currentIndex++:"-"==this._string.charAt(this._currentIndex)&&(this._currentIndex++,r=-1),this._currentIndex>=this._endIndex||this._string.charAt(this._currentIndex)<"0"||this._string.charAt(this._currentIndex)>"9")return;for(;this._currentIndex<this._endIndex&&this._string.charAt(this._currentIndex)>="0"&&this._string.charAt(this._currentIndex)<="9";)t*=10,t+=this._string.charAt(this._currentIndex)-"0",this._currentIndex++}var l=e+n;if(l*=a,t&&(l*=Math.pow(10,r*t)),o!=this._currentIndex)return this._skipOptionalSpacesOrDelimiter(),l}},n.prototype._parseArcFlag=function(){if(!(this._currentIndex>=this._endIndex)){var t=!1,e=this._string.charAt(this._currentIndex++);if("0"==e)t=!1;else{if("1"!=e)return;t=!0}return this._skipOptionalSpacesOrDelimiter(),t}},n.prototype.parseSegment=function(){var t=this._string[this._currentIndex],i=this._pathSegTypeFromChar(t);if(i==window.SVGPathSeg.PATHSEG_UNKNOWN){if(this._previousCommand==window.SVGPathSeg.PATHSEG_UNKNOWN)return null;if((i=this._nextCommandHelper(t,this._previousCommand))==window.SVGPathSeg.PATHSEG_UNKNOWN)return null}else this._currentIndex++;switch(this._previousCommand=i,i){case window.SVGPathSeg.PATHSEG_MOVETO_REL:return new window.SVGPathSegMovetoRel(e,this._parseNumber(),this._parseNumber());case window.SVGPathSeg.PATHSEG_MOVETO_ABS:return new window.SVGPathSegMovetoAbs(e,this._parseNumber(),this._parseNumber());case window.SVGPathSeg.PATHSEG_LINETO_REL:return new window.SVGPathSegLinetoRel(e,this._parseNumber(),this._parseNumber());case window.SVGPathSeg.PATHSEG_LINETO_ABS:return new window.SVGPathSegLinetoAbs(e,this._parseNumber(),this._parseNumber());case window.SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL:return new window.SVGPathSegLinetoHorizontalRel(e,this._parseNumber());case window.SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS:return new window.SVGPathSegLinetoHorizontalAbs(e,this._parseNumber());case window.SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL:return new window.SVGPathSegLinetoVerticalRel(e,this._parseNumber());case window.SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS:return new window.SVGPathSegLinetoVerticalAbs(e,this._parseNumber());case window.SVGPathSeg.PATHSEG_CLOSEPATH:return this._skipOptionalSpaces(),new window.SVGPathSegClosePath(e);case window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL:return n={x1:this._parseNumber(),y1:this._parseNumber(),x2:this._parseNumber(),y2:this._parseNumber(),x:this._parseNumber(),y:this._parseNumber()},new window.SVGPathSegCurvetoCubicRel(e,n.x,n.y,n.x1,n.y1,n.x2,n.y2);case window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS:return n={x1:this._parseNumber(),y1:this._parseNumber(),x2:this._parseNumber(),y2:this._parseNumber(),x:this._parseNumber(),y:this._parseNumber()},new window.SVGPathSegCurvetoCubicAbs(e,n.x,n.y,n.x1,n.y1,n.x2,n.y2);case window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL:return n={x2:this._parseNumber(),y2:this._parseNumber(),x:this._parseNumber(),y:this._parseNumber()},new window.SVGPathSegCurvetoCubicSmoothRel(e,n.x,n.y,n.x2,n.y2);case window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS:return n={x2:this._parseNumber(),y2:this._parseNumber(),x:this._parseNumber(),y:this._parseNumber()},new window.SVGPathSegCurvetoCubicSmoothAbs(e,n.x,n.y,n.x2,n.y2);case window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL:return n={x1:this._parseNumber(),y1:this._parseNumber(),x:this._parseNumber(),y:this._parseNumber()},new window.SVGPathSegCurvetoQuadraticRel(e,n.x,n.y,n.x1,n.y1);case window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS:return n={x1:this._parseNumber(),y1:this._parseNumber(),x:this._parseNumber(),y:this._parseNumber()},new window.SVGPathSegCurvetoQuadraticAbs(e,n.x,n.y,n.x1,n.y1);case window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL:return new window.SVGPathSegCurvetoQuadraticSmoothRel(e,this._parseNumber(),this._parseNumber());case window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS:return new window.SVGPathSegCurvetoQuadraticSmoothAbs(e,this._parseNumber(),this._parseNumber());case window.SVGPathSeg.PATHSEG_ARC_REL:return n={x1:this._parseNumber(),y1:this._parseNumber(),arcAngle:this._parseNumber(),arcLarge:this._parseArcFlag(),arcSweep:this._parseArcFlag(),x:this._parseNumber(),y:this._parseNumber()},new window.SVGPathSegArcRel(e,n.x,n.y,n.x1,n.y1,n.arcAngle,n.arcLarge,n.arcSweep);case window.SVGPathSeg.PATHSEG_ARC_ABS:var n={x1:this._parseNumber(),y1:this._parseNumber(),arcAngle:this._parseNumber(),arcLarge:this._parseArcFlag(),arcSweep:this._parseArcFlag(),x:this._parseNumber(),y:this._parseNumber()};return new window.SVGPathSegArcAbs(e,n.x,n.y,n.x1,n.y1,n.arcAngle,n.arcLarge,n.arcSweep);default:throw"Unknown path seg type."}};var a=new i,r=new n(t);if(!r.initialCommandIsMoveTo())return[];for(;r.hasMoreData();){var o=r.parseSegment();if(!o)return[];a.appendSegment(o)}return a.pathSegList}),P.axis=function(){},P.axis.labels=function(t){var e=this.internal;arguments.length&&(Object.keys(t).forEach(function(i){e.axis.setLabelText(i,t[i])}),e.axis.updateLabels())},P.axis.max=function(t){var e=this.internal,i=e.config;if(!arguments.length)return{x:i.axis_x_max,y:i.axis_y_max,y2:i.axis_y2_max};"object"===(void 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t,n=[],a=[],o=[];if(v){for(t=0;t<v;t++)n.push("."+r.shape+"-"+(w+t)),a.push("."+r.text+"-"+(w+t)),o.push("."+r.eventRect+"-"+(w+t));e.svg.selectAll("."+r.shapes).selectAll(n).remove(),e.svg.selectAll("."+r.texts).selectAll(a).remove(),e.svg.selectAll("."+r.eventRects).selectAll(o).remove(),e.svg.select("."+r.xgrid).remove()}V.attr("transform",null).attr(e.xgridAttr),G.attr("transform",null),G.select("line").attr("x1",i.axis_rotated?0:p).attr("x2",i.axis_rotated?e.width:p),G.select("text").attr("x",i.axis_rotated?e.width:0).attr("y",p),I.attr("transform",null).attr("d",l),R.attr("transform",null).attr("d",u),k.attr("transform",null).attr("d",h),D.attr("transform",null).attr("cx",g).attr("cy",f),O.attr("transform",null).attr("x",_).attr("y",x).style("fill-opacity",e.opacityForText.bind(e)),E.attr("transform",null),E.select("rect").filter(e.isRegionOnX).attr("x",e.regionX.bind(e)).attr("width",e.regionWidth.bind(e)),i.interaction_enabled&&e.redrawEventRect(),C(),e.flowing=!1})}},P.focus=function(t){var e,i=this.internal;t=i.mapToTargetIds(t),e=i.svg.selectAll(i.selectorTargets(t.filter(i.isTargetToShow,i))),this.revert(),this.defocus(),e.classed(r.focused,!0).classed(r.defocused,!1),i.hasArcType()&&i.expandArc(t),i.toggleFocusLegend(t,!0),i.focusedTargetIds=t,i.defocusedTargetIds=i.defocusedTargetIds.filter(function(e){return t.indexOf(e)<0})},P.defocus=function(t){var e=this.internal;t=e.mapToTargetIds(t),e.svg.selectAll(e.selectorTargets(t.filter(e.isTargetToShow,e))).classed(r.focused,!1).classed(r.defocused,!0),e.hasArcType()&&e.unexpandArc(t),e.toggleFocusLegend(t,!1),e.focusedTargetIds=e.focusedTargetIds.filter(function(e){return t.indexOf(e)<0}),e.defocusedTargetIds=t},P.revert=function(t){var e=this.internal;t=e.mapToTargetIds(t),e.svg.selectAll(e.selectorTargets(t)).classed(r.focused,!1).classed(r.defocused,!1),e.hasArcType()&&e.unexpandArc(t),e.config.legend_show&&(e.showLegend(t.filter(e.isLegendToShow.bind(e))),e.legend.selectAll(e.selectorLegends(t)).filter(function(){return e.d3.select(this).classed(r.legendItemFocused)}).classed(r.legendItemFocused,!1)),e.focusedTargetIds=[],e.defocusedTargetIds=[]},P.xgrids=function(t){var e=this.internal,i=e.config;return t?(i.grid_x_lines=t,e.redrawWithoutRescale(),i.grid_x_lines):i.grid_x_lines},P.xgrids.add=function(t){var e=this.internal;return this.xgrids(e.config.grid_x_lines.concat(t||[]))},P.xgrids.remove=function(t){this.internal.removeGridLines(t,!0)},P.ygrids=function(t){var e=this.internal,i=e.config;return t?(i.grid_y_lines=t,e.redrawWithoutRescale(),i.grid_y_lines):i.grid_y_lines},P.ygrids.add=function(t){var e=this.internal;return this.ygrids(e.config.grid_y_lines.concat(t||[]))},P.ygrids.remove=function(t){this.internal.removeGridLines(t,!1)},P.groups=function(t){var e=this.internal,i=e.config;return void 0===t?i.data_groups:(i.data_groups=t,e.redraw(),i.data_groups)},P.legend=function(){},P.legend.show=function(t){var e=this.internal;e.showLegend(e.mapToTargetIds(t)),e.updateAndRedraw({withLegend:!0})},P.legend.hide=function(t){var e=this.internal;e.hideLegend(e.mapToTargetIds(t)),e.updateAndRedraw({withLegend:!0})},P.load=function(t){var e=this.internal,i=e.config;t.xs&&e.addXs(t.xs),"names"in t&&P.data.names.bind(this)(t.names),"classes"in t&&Object.keys(t.classes).forEach(function(e){i.data_classes[e]=t.classes[e]}),"categories"in t&&e.isCategorized()&&(i.axis_x_categories=t.categories),"axes"in t&&Object.keys(t.axes).forEach(function(e){i.data_axes[e]=t.axes[e]}),"colors"in t&&Object.keys(t.colors).forEach(function(e){i.data_colors[e]=t.colors[e]}),"cacheIds"in t&&e.hasCaches(t.cacheIds)?e.load(e.getCaches(t.cacheIds),t.done):"unload"in t?e.unload(e.mapToTargetIds("boolean"==typeof t.unload&&t.unload?null:t.unload),function(){e.loadFromArgs(t)}):e.loadFromArgs(t)},P.unload=function(t){var e=this.internal;(t=t||{})instanceof Array?t={ids:t}:"string"==typeof t&&(t={ids:[t]}),e.unload(e.mapToTargetIds(t.ids),function(){e.redraw({withUpdateOrgXDomain:!0,withUpdateXDomain:!0,withLegend:!0}),t.done&&t.done()})},P.regions=function(t){var e=this.internal,i=e.config;return t?(i.regions=t,e.redrawWithoutRescale(),i.regions):i.regions},P.regions.add=function(t){var e=this.internal,i=e.config;return t?(i.regions=i.regions.concat(t),e.redrawWithoutRescale(),i.regions):i.regions},P.regions.remove=function(t){var e,i,n,a=this.internal,o=a.config;return t=t||{},e=a.getOption(t,"duration",o.transition_duration),i=a.getOption(t,"classes",[r.region]),n=a.main.select("."+r.regions).selectAll(i.map(function(t){return"."+t})),(e?n.transition().duration(e):n).style("opacity",0).remove(),o.regions=o.regions.filter(function(t){var e=!1;return!t.class||(t.class.split(" ").forEach(function(t){i.indexOf(t)>=0&&(e=!0)}),!e)}),o.regions},P.selected=function(t){var e=this.internal,i=e.d3;return i.merge(e.main.selectAll("."+r.shapes+e.getTargetSelectorSuffix(t)).selectAll("."+r.shape).filter(function(){return i.select(this).classed(r.SELECTED)}).map(function(t){return t.map(function(t){var e=t.__data__;return e.data?e.data:e})}))},P.select=function(t,e,i){var n=this.internal,a=n.d3,o=n.config;o.data_selection_enabled&&n.main.selectAll("."+r.shapes).selectAll("."+r.shape).each(function(s,c){var d=a.select(this),l=s.data?s.data.id:s.id,u=n.getToggle(this,s).bind(n),h=o.data_selection_grouped||!t||t.indexOf(l)>=0,g=!e||e.indexOf(c)>=0,f=d.classed(r.SELECTED);d.classed(r.line)||d.classed(r.area)||(h&&g?o.data_selection_isselectable(s)&&!f&&u(!0,d.classed(r.SELECTED,!0),s,c):void 0!==i&&i&&f&&u(!1,d.classed(r.SELECTED,!1),s,c))})},P.unselect=function(t,e){var i=this.internal,n=i.d3,a=i.config;a.data_selection_enabled&&i.main.selectAll("."+r.shapes).selectAll("."+r.shape).each(function(o,s){var c=n.select(this),d=o.data?o.data.id:o.id,l=i.getToggle(this,o).bind(i),u=a.data_selection_grouped||!t||t.indexOf(d)>=0,h=!e||e.indexOf(s)>=0,g=c.classed(r.SELECTED);c.classed(r.line)||c.classed(r.area)||u&&h&&a.data_selection_isselectable(o)&&g&&l(!1,c.classed(r.SELECTED,!1),o,s)})},P.show=function(t,e){var i,n=this.internal;t=n.mapToTargetIds(t),e=e||{},n.removeHiddenTargetIds(t),(i=n.svg.selectAll(n.selectorTargets(t))).transition().style("opacity",1,"important").call(n.endall,function(){i.style("opacity",null).style("opacity",1)}),e.withLegend&&n.showLegend(t),n.redraw({withUpdateOrgXDomain:!0,withUpdateXDomain:!0,withLegend:!0})},P.hide=function(t,e){var i,n=this.internal;t=n.mapToTargetIds(t),e=e||{},n.addHiddenTargetIds(t),(i=n.svg.selectAll(n.selectorTargets(t))).transition().style("opacity",0,"important").call(n.endall,function(){i.style("opacity",null).style("opacity",0)}),e.withLegend&&n.hideLegend(t),n.redraw({withUpdateOrgXDomain:!0,withUpdateXDomain:!0,withLegend:!0})},P.toggle=function(t,e){var i=this,n=this.internal;n.mapToTargetIds(t).forEach(function(t){n.isTargetToShow(t)?i.hide(t,e):i.show(t,e)})},P.tooltip=function(){},P.tooltip.show=function(t){var e,i,n=this.internal;t.mouse&&(i=t.mouse),t.data?n.isMultipleX()?(i=[n.x(t.data.x),n.getYScale(t.data.id)(t.data.value)],e=null):e=l(t.data.index)?t.data.index:n.getIndexByX(t.data.x):void 0!==t.x?e=n.getIndexByX(t.x):void 0!==t.index&&(e=t.index),n.dispatchEvent("mouseover",e,i),n.dispatchEvent("mousemove",e,i),n.config.tooltip_onshow.call(n,t.data)},P.tooltip.hide=function(){this.internal.dispatchEvent("mouseout",0),this.internal.config.tooltip_onhide.call(this)},P.transform=function(t,e){var i=this.internal,n=["pie","donut"].indexOf(t)>=0?{withTransform:!0}:null;i.transformTo(e,t,n)},C.transformTo=function(t,e,i){var n=this,a=!n.hasArcType(),r=i||{withTransitionForAxis:a};r.withTransitionForTransform=!1,n.transiting=!1,n.setTargetType(t,e),n.updateTargets(n.data.targets),n.updateAndRedraw(r)},P.x=function(t){var e=this.internal;return arguments.length&&(e.updateTargetX(e.data.targets,t),e.redraw({withUpdateOrgXDomain:!0,withUpdateXDomain:!0})),e.data.xs},P.xs=function(t){var e=this.internal;return arguments.length&&(e.updateTargetXs(e.data.targets,t),e.redraw({withUpdateOrgXDomain:!0,withUpdateXDomain:!0})),e.data.xs},P.zoom=function(t){var e=this.internal;return t&&(e.isTimeSeries()&&(t=t.map(function(t){return e.parseDate(t)})),e.brush.extent(t),e.redraw({withUpdateXDomain:!0,withY:e.config.zoom_rescale}),e.config.zoom_onzoom.call(this,e.x.orgDomain())),e.brush.extent()},P.zoom.enable=function(t){var e=this.internal;e.config.zoom_enabled=t,e.updateAndRedraw()},P.unzoom=function(){var t=this.internal;t.brush.clear().update(),t.redraw({withUpdateXDomain:!0})},P.zoom.max=function(t){var e=this.internal,i=e.config,n=e.d3;if(0!==t&&!t)return i.zoom_x_max;i.zoom_x_max=n.max([e.orgXDomain[1],t])},P.zoom.min=function(t){var e=this.internal,i=e.config,n=e.d3;if(0!==t&&!t)return i.zoom_x_min;i.zoom_x_min=n.min([e.orgXDomain[0],t])},P.zoom.range=function(t){if(!arguments.length)return{max:this.domain.max(),min:this.domain.min()};void 0!==t.max&&this.domain.max(t.max),void 0!==t.min&&this.domain.min(t.min)},C.initPie=function(){var t=this,e=t.d3;t.pie=e.layout.pie().value(function(t){return t.values.reduce(function(t,e){return t+e.value},0)}),t.pie.sort(t.getOrderFunction()||null)},C.updateRadius=function(){var t=this,e=t.config,i=e.gauge_width||e.donut_width;t.radiusExpanded=Math.min(t.arcWidth,t.arcHeight)/2,t.radius=.95*t.radiusExpanded,t.innerRadiusRatio=i?(t.radius-i)/t.radius:.6,t.innerRadius=t.hasType("donut")||t.hasType("gauge")?t.radius*t.innerRadiusRatio:0},C.updateArc=function(){var t=this;t.svgArc=t.getSvgArc(),t.svgArcExpanded=t.getSvgArcExpanded(),t.svgArcExpandedSub=t.getSvgArcExpanded(.98)},C.updateAngle=function(t){var e,i,n,a,r=this,o=r.config,s=!1,c=0;return o?(r.pie(r.filterTargetsToShow(r.data.targets)).forEach(function(e){s||e.data.id!==t.data.id||(s=!0,(t=e).index=c),c++}),isNaN(t.startAngle)&&(t.startAngle=0),isNaN(t.endAngle)&&(t.endAngle=t.startAngle),r.isGaugeType(t.data)&&(e=o.gauge_min,i=o.gauge_max,n=Math.PI*(o.gauge_fullCircle?2:1)/(i-e),a=t.value<e?0:t.value<i?t.value-e:i-e,t.startAngle=o.gauge_startingAngle,t.endAngle=t.startAngle+n*a),s?t:null):null},C.getSvgArc=function(){var t=this,e=t.d3.svg.arc().outerRadius(t.radius).innerRadius(t.innerRadius),i=function(i,n){var a;return n?e(i):(a=t.updateAngle(i),a?e(a):"M 0 0")};return i.centroid=e.centroid,i},C.getSvgArcExpanded=function(t){var e=this,i=e.d3.svg.arc().outerRadius(e.radiusExpanded*(t||1)).innerRadius(e.innerRadius);return function(t){var n=e.updateAngle(t);return n?i(n):"M 0 0"}},C.getArc=function(t,e,i){return i||this.isArcType(t.data)?this.svgArc(t,e):"M 0 0"},C.transformForArcLabel=function(t){var e,i,n,a,r,o=this,s=o.config,c=o.updateAngle(t),d="";return c&&!o.hasType("gauge")&&(e=this.svgArc.centroid(c),i=isNaN(e[0])?0:e[0],n=isNaN(e[1])?0:e[1],a=Math.sqrt(i*i+n*n),d="translate("+i*(r=o.hasType("donut")&&s.donut_label_ratio?u(s.donut_label_ratio)?s.donut_label_ratio(t,o.radius,a):s.donut_label_ratio:o.hasType("pie")&&s.pie_label_ratio?u(s.pie_label_ratio)?s.pie_label_ratio(t,o.radius,a):s.pie_label_ratio:o.radius&&a?(36/o.radius>.375?1.175-36/o.radius:.8)*o.radius/a:0)+","+n*r+")"),d},C.getArcRatio=function(t){var e=this,i=e.config,n=Math.PI*(e.hasType("gauge")&&!i.gauge_fullCircle?1:2);return t?(t.endAngle-t.startAngle)/n:null},C.convertToArcData=function(t){return this.addName({id:t.data.id,value:t.value,ratio:this.getArcRatio(t),index:t.index})},C.textForArcLabel=function(t){var e,i,n,a,r,o=this;return o.shouldShowArcLabel()?(e=o.updateAngle(t),i=e?e.value:null,n=o.getArcRatio(e),a=t.data.id,o.hasType("gauge")||o.meetsArcLabelThreshold(n)?(r=o.getArcLabelFormat(),r?r(i,n,a):o.defaultArcValueFormat(i,n)):""):""},C.textForGaugeMinMax=function(t,e){var i=this.getGaugeLabelExtents();return i?i(t,e):t},C.expandArc=function(t){var e,i=this;i.transiting?e=window.setInterval(function(){i.transiting||(window.clearInterval(e),i.legend.selectAll(".c3-legend-item-focused").size()>0&&i.expandArc(t))},10):(t=i.mapToTargetIds(t),i.svg.selectAll(i.selectorTargets(t,"."+r.chartArc)).each(function(t){i.shouldExpand(t.data.id)&&i.d3.select(this).selectAll("path").transition().duration(i.expandDuration(t.data.id)).attr("d",i.svgArcExpanded).transition().duration(2*i.expandDuration(t.data.id)).attr("d",i.svgArcExpandedSub).each(function(t){i.isDonutType(t.data)})}))},C.unexpandArc=function(t){var e=this;e.transiting||(t=e.mapToTargetIds(t),e.svg.selectAll(e.selectorTargets(t,"."+r.chartArc)).selectAll("path").transition().duration(function(t){return e.expandDuration(t.data.id)}).attr("d",e.svgArc),e.svg.selectAll("."+r.arc))},C.expandDuration=function(t){var e=this,i=e.config;return e.isDonutType(t)?i.donut_expand_duration:e.isGaugeType(t)?i.gauge_expand_duration:e.isPieType(t)?i.pie_expand_duration:50},C.shouldExpand=function(t){var e=this,i=e.config;return e.isDonutType(t)&&i.donut_expand||e.isGaugeType(t)&&i.gauge_expand||e.isPieType(t)&&i.pie_expand},C.shouldShowArcLabel=function(){var t=this,e=t.config,i=!0;return t.hasType("donut")?i=e.donut_label_show:t.hasType("pie")&&(i=e.pie_label_show),i},C.meetsArcLabelThreshold=function(t){var e=this,i=e.config;return t>=(e.hasType("donut")?i.donut_label_threshold:i.pie_label_threshold)},C.getArcLabelFormat=function(){var t=this,e=t.config,i=e.pie_label_format;return t.hasType("gauge")?i=e.gauge_label_format:t.hasType("donut")&&(i=e.donut_label_format),i},C.getGaugeLabelExtents=function(){return this.config.gauge_label_extents},C.getArcTitle=function(){var t=this;return t.hasType("donut")?t.config.donut_title:""},C.updateTargetsForArc=function(t){var e,i=this,n=i.main,a=i.classChartArc.bind(i),o=i.classArcs.bind(i),s=i.classFocus.bind(i);(e=n.select("."+r.chartArcs).selectAll("."+r.chartArc).data(i.pie(t)).attr("class",function(t){return a(t)+s(t.data)}).enter().append("g").attr("class",a)).append("g").attr("class",o),e.append("text").attr("dy",i.hasType("gauge")?"-.1em":".35em").style("opacity",0).style("text-anchor","middle").style("pointer-events","none")},C.initArc=function(){var t=this;t.arcs=t.main.select("."+r.chart).append("g").attr("class",r.chartArcs).attr("transform",t.getTranslate("arc")),t.arcs.append("text").attr("class",r.chartArcsTitle).style("text-anchor","middle").text(t.getArcTitle())},C.redrawArc=function(t,e,i){var n,a=this,o=a.d3,s=a.config,c=a.main;(n=c.selectAll("."+r.arcs).selectAll("."+r.arc).data(a.arcData.bind(a))).enter().append("path").attr("class",a.classArc.bind(a)).style("fill",function(t){return a.color(t.data)}).style("cursor",function(t){return s.interaction_enabled&&s.data_selection_isselectable(t)?"pointer":null}).each(function(t){a.isGaugeType(t.data)&&(t.startAngle=t.endAngle=s.gauge_startingAngle),this._current=t}),n.attr("transform",function(t){return!a.isGaugeType(t.data)&&i?"scale(0)":""}).on("mouseover",s.interaction_enabled?function(t){var e,i;a.transiting||(e=a.updateAngle(t))&&(i=a.convertToArcData(e),a.expandArc(e.data.id),a.api.focus(e.data.id),a.toggleFocusLegend(e.data.id,!0),a.config.data_onmouseover(i,this))}:null).on("mousemove",s.interaction_enabled?function(t){var e,i=a.updateAngle(t);i&&(e=[a.convertToArcData(i)],a.showTooltip(e,this))}:null).on("mouseout",s.interaction_enabled?function(t){var 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t=this,e=t.config,i=t.yAxis.tickValues()||t.y.ticks(e.grid_y_ticks);t.ygrid=t.main.select("."+r.ygrids).selectAll("."+r.ygrid).data(i),t.ygrid.enter().append("line").attr("class",r.ygrid),t.ygrid.attr("x1",e.axis_rotated?t.y:0).attr("x2",e.axis_rotated?t.y:t.width).attr("y1",e.axis_rotated?0:t.y).attr("y2",e.axis_rotated?t.height:t.y),t.ygrid.exit().remove(),t.smoothLines(t.ygrid,"grid")},C.gridTextAnchor=function(t){return t.position?t.position:"end"},C.gridTextDx=function(t){return"start"===t.position?4:"middle"===t.position?0:-4},C.xGridTextX=function(t){return"start"===t.position?-this.height:"middle"===t.position?-this.height/2:0},C.yGridTextX=function(t){return"start"===t.position?0:"middle"===t.position?this.width/2:this.width},C.updateGrid=function(t){var e,i,n,a=this,o=a.main,s=a.config;a.grid.style("visibility",a.hasArcType()?"hidden":"visible"),o.select("line."+r.xgridFocus).style("visibility","hidden"),s.grid_x_show&&a.updateXGrid(),a.xgridLines=o.select("."+r.xgridLines).selectAll("."+r.xgridLine).data(s.grid_x_lines),(e=a.xgridLines.enter().append("g").attr("class",function(t){return r.xgridLine+(t.class?" 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e=this,i=e.config,n=e.xv.bind(e),a=e.xgridLines.select("line"),r=e.xgridLines.select("text");return[(t?a.transition():a).attr("x1",i.axis_rotated?0:n).attr("x2",i.axis_rotated?e.width:n).attr("y1",i.axis_rotated?n:0).attr("y2",i.axis_rotated?n:e.height).style("opacity",1),(t?r.transition():r).attr("x",i.axis_rotated?e.yGridTextX.bind(e):e.xGridTextX.bind(e)).attr("y",n).text(function(t){return t.text}).style("opacity",1)]},C.showXGridFocus=function(t){var e=this,i=e.config,n=t.filter(function(t){return t&&l(t.value)}),a=e.main.selectAll("line."+r.xgridFocus),o=e.xx.bind(e);i.tooltip_show&&(e.hasType("scatter")||e.hasArcType()||(a.style("visibility","visible").data([n[0]]).attr(i.axis_rotated?"y1":"x1",o).attr(i.axis_rotated?"y2":"x2",o),e.smoothLines(a,"grid")))},C.hideXGridFocus=function(){this.main.select("line."+r.xgridFocus).style("visibility","hidden")},C.updateXgridFocus=function(){var t=this,e=t.config;t.main.select("line."+r.xgridFocus).attr("x1",e.axis_rotated?0:-10).attr("x2",e.axis_rotated?t.width:-10).attr("y1",e.axis_rotated?-10:0).attr("y2",e.axis_rotated?-10:t.height)},C.generateGridData=function(t,e){var i,n,a,o,s=this,c=[],d=s.main.select("."+r.axisX).selectAll(".tick").size();if("year"===t)for(n=(i=s.getXDomain())[0].getFullYear(),a=i[1].getFullYear(),o=n;o<=a;o++)c.push(new Date(o+"-01-01 00:00:00"));else(c=e.ticks(10)).length>d&&(c=c.filter(function(t){return(""+t).indexOf(".")<0}));return c},C.getGridFilterToRemove=function(t){return t?function(e){var i=!1;return[].concat(t).forEach(function(t){("value"in t&&e.value===t.value||"class"in t&&e.class===t.class)&&(i=!0)}),i}:function(){return!0}},C.removeGridLines=function(t,e){var 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t,e,i=this,n=i.config,a=i.isMultipleX(),o=i.main.select("."+r.eventRects).style("cursor",n.zoom_enabled?n.axis_rotated?"ns-resize":"ew-resize":null).classed(r.eventRectsMultiple,a).classed(r.eventRectsSingle,!a);o.selectAll("."+r.eventRect).remove(),i.eventRect=o.selectAll("."+r.eventRect),a?(t=i.eventRect.data([0]),i.generateEventRectsForMultipleXs(t.enter()),i.updateEventRect(t)):(e=i.getMaxDataCountTarget(i.data.targets),o.datum(e?e.values:[]),i.eventRect=o.selectAll("."+r.eventRect),t=i.eventRect.data(function(t){return t}),i.generateEventRectsForSingleX(t.enter()),i.updateEventRect(t),t.exit().remove())},C.updateEventRect=function(t){var e,i,n,a,r,o,s=this,c=s.config;t=t||s.eventRect.data(function(t){return t}),s.isMultipleX()?(e=0,i=0,n=s.width,a=s.height):(!s.isCustomX()&&!s.isTimeSeries()||s.isCategorized()?(r=s.getEventRectWidth(),o=function(t){return s.x(t.x)-r/2}):(s.updateXs(),r=function(t){var e=s.getPrevX(t.index),i=s.getNextX(t.index);return 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i=t.index;e.config&&(e.hasArcType()||(e.hideXGridFocus(),e.hideTooltip(),e.unexpandCircles(),e.unexpandBars(),e.main.selectAll("."+r.shape+"-"+i).each(function(t){n.data_onmouseout.call(e.api,t)})))}).on("mousemove",function(t){var a,o=t.index,s=e.svg.select("."+r.eventRect+"-"+o);e.dragging||e.flowing||e.hasArcType()||(e.isStepType(t)&&"step-after"===e.config.line_step_type&&i.mouse(this)[0]<e.x(e.getXValue(t.id,o))&&(o-=1),a=e.filterTargetsToShow(e.data.targets).map(function(t){return e.addName(e.getValueOnIndex(t.values,o))}),n.tooltip_grouped&&(e.showTooltip(a,this),e.showXGridFocus(a)),(!n.tooltip_grouped||n.data_selection_enabled&&!n.data_selection_grouped)&&e.main.selectAll("."+r.shape+"-"+o).each(function(){i.select(this).classed(r.EXPANDED,!0),n.data_selection_enabled&&s.style("cursor",n.data_selection_grouped?"pointer":null),n.tooltip_grouped||(e.hideXGridFocus(),e.hideTooltip(),n.data_selection_grouped||(e.unexpandCircles(o),e.unexpandBars(o)))}).filter(function(t){return e.isWithinShape(this,t)}).each(function(t){n.data_selection_enabled&&(n.data_selection_grouped||n.data_selection_isselectable(t))&&s.style("cursor","pointer"),n.tooltip_grouped||(e.showTooltip([t],this),e.showXGridFocus([t]),n.point_focus_expand_enabled&&e.expandCircles(o,t.id,!0),e.expandBars(o,t.id,!0))}))}).on("click",function(t){var a=t.index;!e.hasArcType()&&e.toggleShape&&(e.cancelClick?e.cancelClick=!1:(e.isStepType(t)&&"step-after"===n.line_step_type&&i.mouse(this)[0]<e.x(e.getXValue(t.id,a))&&(a-=1),e.main.selectAll("."+r.shape+"-"+a).each(function(t){(n.data_selection_grouped||e.isWithinShape(this,t))&&(e.toggleShape(this,t,a),e.config.data_onclick.call(e.api,t,this))})))}).call(n.data_selection_draggable&&e.drag?i.behavior.drag().origin(Object).on("drag",function(){e.drag(i.mouse(this))}).on("dragstart",function(){e.dragstart(i.mouse(this))}).on("dragend",function(){e.dragend()}):function(){})},C.generateEventRectsForMultipleXs=function(t){function e(){i.svg.select("."+r.eventRect).style("cursor",null),i.hideXGridFocus(),i.hideTooltip(),i.unexpandCircles(),i.unexpandBars()}var i=this,n=i.d3,a=i.config;t.append("rect").attr("x",0).attr("y",0).attr("width",i.width).attr("height",i.height).attr("class",r.eventRect).on("mouseout",function(){i.config&&(i.hasArcType()||e())}).on("mousemove",function(){var t,o,s,c=i.filterTargetsToShow(i.data.targets);i.dragging||i.hasArcType(c)||(t=n.mouse(this),o=i.findClosestFromTargets(c,t),!i.mouseover||o&&o.id===i.mouseover.id||(a.data_onmouseout.call(i.api,i.mouseover),i.mouseover=void 0),o?(s=(i.isScatterType(o)||!a.tooltip_grouped?[o]:i.filterByX(c,o.x)).map(function(t){return 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t,e,o=i.filterTargetsToShow(i.data.targets);i.hasArcType(o)||(t=n.mouse(this),(e=i.findClosestFromTargets(o,t))&&(i.isBarType(e.id)||i.dist(e,t)<a.point_sensitivity)&&i.main.selectAll("."+r.shapes+i.getTargetSelectorSuffix(e.id)).selectAll("."+r.shape+"-"+e.index).each(function(){(a.data_selection_grouped||i.isWithinShape(this,e))&&(i.toggleShape(this,e,e.index),i.config.data_onclick.call(i.api,e,this))}))}).call(a.data_selection_draggable&&i.drag?n.behavior.drag().origin(Object).on("drag",function(){i.drag(n.mouse(this))}).on("dragstart",function(){i.dragstart(n.mouse(this))}).on("dragend",function(){i.dragend()}):function(){})},C.dispatchEvent=function(t,e,i){var n=this,a="."+r.eventRect+(n.isMultipleX()?"":"-"+e),o=n.main.select(a).node(),s=o.getBoundingClientRect(),c=s.left+(i?i[0]:0),d=s.top+(i?i[1]:0),l=document.createEvent("MouseEvents");l.initMouseEvent(t,!0,!0,window,0,c,d,c,d,!1,!1,!1,!1,0,null),o.dispatchEvent(l)},C.initLegend=function(){var t=this;if(t.legendItemTextBox={},t.legendHasRendered=!1,t.legend=t.svg.append("g").attr("transform",t.getTranslate("legend")),!t.config.legend_show)return t.legend.style("visibility","hidden"),void(t.hiddenLegendIds=t.mapToIds(t.data.targets));t.updateLegendWithDefaults()},C.updateLegendWithDefaults=function(){var t=this;t.updateLegend(t.mapToIds(t.data.targets),{withTransform:!1,withTransitionForTransform:!1,withTransition:!1})},C.updateSizeForLegend=function(t,e){var i=this,n=i.config,a={top:i.isLegendTop?i.getCurrentPaddingTop()+n.legend_inset_y+5.5:i.currentHeight-t-i.getCurrentPaddingBottom()-n.legend_inset_y,left:i.isLegendLeft?i.getCurrentPaddingLeft()+n.legend_inset_x+.5:i.currentWidth-e-i.getCurrentPaddingRight()-n.legend_inset_x+.5};i.margin3={top:i.isLegendRight?0:i.isLegendInset?a.top:i.currentHeight-t,right:NaN,bottom:0,left:i.isLegendRight?i.currentWidth-e:i.isLegendInset?a.left:0}},C.transformLegend=function(t){var 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r,s=n.line_connectNull?i.filterRemoveNull(t.values):t.values,c=e?i.x:i.subX,d=o.call(i,t.id),l=0,u=0;return i.isLineType(t)?n.data_regions[t.id]?r=i.lineWithRegions(s,c,d,n.data_regions[t.id]):(i.isStepType(t)&&(s=i.convertValuesToStep(s)),r=a.interpolate(i.getInterpolate(t))(s)):(s[0]&&(l=c(s[0].x),u=d(s[0].value)),r=n.axis_rotated?"M "+u+" "+l:"M "+l+" "+u),r||"M 0 0"}},C.generateGetLinePoints=function(t,e){var i=this,n=i.config,a=t.__max__+1,r=i.getShapeX(0,a,t,!!e),o=i.getShapeY(!!e),s=i.getShapeOffset(i.isLineType,t,!!e),c=e?i.getSubYScale:i.getYScale;return function(t,e){var a=c.call(i,t.id)(0),d=s(t,e)||a,l=r(t),u=o(t);return n.axis_rotated&&(0<t.value&&u<a||t.value<0&&a<u)&&(u=a),[[l,u-(a-d)],[l,u-(a-d)],[l,u-(a-d)],[l,u-(a-d)]]}},C.lineWithRegions=function(t,e,i,n){function a(t){return"M"+t[0][0]+" "+t[0][1]+" "+t[1][0]+" "+t[1][1]}var r,o,s,c,d,l,u,h,g,f,p,_=this,x=_.config,m="M",y=_.isCategorized()?.5:0,S=[];if(void 0!==n)for(r=0;r<n.length;r++)S[r]={},void 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i;for(i=0;i<e.length;i++)if(e[i].start<t&&t<=e[i].end)return!0;return!1}(t[r].x,S))for(c=_.getScale(t[r-1].x+y,t[r].x+y,_.isTimeSeries()),d=_.getScale(t[r-1].value,t[r].value),l=e(t[r].x)-e(t[r-1].x),u=i(t[r].value)-i(t[r-1].value),g=2*(h=2/Math.sqrt(Math.pow(l,2)+Math.pow(u,2))),o=h;o<=1;o+=g)m+=s(t[r-1],t[r],o,h);else m+=" "+f(t[r])+" "+p(t[r]);t[r].x}return m},C.updateArea=function(t){var e=this,i=e.d3;e.mainArea=e.main.selectAll("."+r.areas).selectAll("."+r.area).data(e.lineData.bind(e)),e.mainArea.enter().append("path").attr("class",e.classArea.bind(e)).style("fill",e.color).style("opacity",function(){return e.orgAreaOpacity=+i.select(this).style("opacity"),0}),e.mainArea.style("opacity",e.orgAreaOpacity),e.mainArea.exit().transition().duration(t).style("opacity",0).remove()},C.redrawArea=function(t,e){return[(e?this.mainArea.transition(Math.random().toString()):this.mainArea).attr("d",t).style("fill",this.color).style("opacity",this.orgAreaOpacity)]},C.generateDrawArea=function(t,e){var i=this,n=i.config,a=i.d3.svg.area(),r=i.generateGetAreaPoints(t,e),o=e?i.getSubYScale:i.getYScale,s=function(t){return(e?i.subxx:i.xx).call(i,t)},c=function(t,e){return n.data_groups.length>0?r(t,e)[0][1]:o.call(i,t.id)(i.getAreaBaseValue(t.id))},d=function(t,e){return n.data_groups.length>0?r(t,e)[1][1]:o.call(i,t.id)(t.value)};return a=n.axis_rotated?a.x0(c).x1(d).y(s):a.x(s).y0(n.area_above?0:c).y1(d),n.line_connectNull||(a=a.defined(function(t){return null!==t.value})),function(t){var e,r=n.line_connectNull?i.filterRemoveNull(t.values):t.values,o=0,s=0;return i.isAreaType(t)?(i.isStepType(t)&&(r=i.convertValuesToStep(r)),e=a.interpolate(i.getInterpolate(t))(r)):(r[0]&&(o=i.x(r[0].x),s=i.getYScale(t.id)(r[0].value)),e=n.axis_rotated?"M "+s+" "+o:"M "+o+" "+s),e||"M 0 0"}},C.getAreaBaseValue=function(){return 0},C.generateGetAreaPoints=function(t,e){var i=this,n=i.config,a=t.__max__+1,r=i.getShapeX(0,a,t,!!e),o=i.getShapeY(!!e),s=i.getShapeOffset(i.isAreaType,t,!!e),c=e?i.getSubYScale:i.getYScale;return function(t,e){var a=c.call(i,t.id)(0),d=s(t,e)||a,l=r(t),u=o(t);return n.axis_rotated&&(0<t.value&&u<a||t.value<0&&a<u)&&(u=a),[[l,d],[l,u-(a-d)],[l,u-(a-d)],[l,d]]}},C.updateCircle=function(){var t=this;t.mainCircle=t.main.selectAll("."+r.circles).selectAll("."+r.circle).data(t.lineOrScatterData.bind(t)),t.mainCircle.enter().append("circle").attr("class",t.classCircle.bind(t)).attr("r",t.pointR.bind(t)).style("fill",t.color),t.mainCircle.style("opacity",t.initialOpacityForCircle.bind(t)),t.mainCircle.exit().remove()},C.redrawCircle=function(t,e,i){var n=this.main.selectAll("."+r.selectedCircle);return[(i?this.mainCircle.transition(Math.random().toString()):this.mainCircle).style("opacity",this.opacityForCircle.bind(this)).style("fill",this.color).attr("cx",t).attr("cy",e),(i?n.transition(Math.random().toString()):n).attr("cx",t).attr("cy",e)]},C.circleX=function(t){return t.x||0===t.x?this.x(t.x):null},C.updateCircleY=function(){var t,e,i=this;i.config.data_groups.length>0?(t=i.getShapeIndices(i.isLineType),e=i.generateGetLinePoints(t),i.circleY=function(t,i){return e(t,i)[0][1]}):i.circleY=function(t){return i.getYScale(t.id)(t.value)}},C.getCircles=function(t,e){var i=this;return(e?i.main.selectAll("."+r.circles+i.getTargetSelectorSuffix(e)):i.main).selectAll("."+r.circle+(l(t)?"-"+t:""))},C.expandCircles=function(t,e,i){var n=this,a=n.pointExpandedR.bind(n);i&&n.unexpandCircles(),n.getCircles(t,e).classed(r.EXPANDED,!0).attr("r",a)},C.unexpandCircles=function(t){var e=this,i=e.pointR.bind(e);e.getCircles(t).filter(function(){return e.d3.select(this).classed(r.EXPANDED)}).classed(r.EXPANDED,!1).attr("r",i)},C.pointR=function(t){var e=this,i=e.config;return e.isStepType(t)?0:u(i.point_r)?i.point_r(t):i.point_r},C.pointExpandedR=function(t){var e=this,i=e.config;return i.point_focus_expand_enabled?u(i.point_focus_expand_r)?i.point_focus_expand_r(t):i.point_focus_expand_r?i.point_focus_expand_r:1.75*e.pointR(t):e.pointR(t)},C.pointSelectR=function(t){var e=this,i=e.config;return u(i.point_select_r)?i.point_select_r(t):i.point_select_r?i.point_select_r:4*e.pointR(t)},C.isWithinCircle=function(t,e){var i=this.d3,n=i.mouse(t),a=i.select(t),r=+a.attr("cx"),o=+a.attr("cy");return Math.sqrt(Math.pow(r-n[0],2)+Math.pow(o-n[1],2))<e},C.isWithinStep=function(t,e){return Math.abs(e-this.d3.mouse(t)[1])<30},C.getCurrentWidth=function(){var t=this,e=t.config;return e.size_width?e.size_width:t.getParentWidth()},C.getCurrentHeight=function(){var t=this,e=t.config,i=e.size_height?e.size_height:t.getParentHeight();return i>0?i:320/(t.hasType("gauge")&&!e.gauge_fullCircle?2:1)},C.getCurrentPaddingTop=function(){var t=this,e=t.config,i=l(e.padding_top)?e.padding_top:0;return t.title&&t.title.node()&&(i+=t.getTitlePadding()),i},C.getCurrentPaddingBottom=function(){var t=this.config;return l(t.padding_bottom)?t.padding_bottom:0},C.getCurrentPaddingLeft=function(t){var e=this,i=e.config;return l(i.padding_left)?i.padding_left:i.axis_rotated?i.axis_x_show?Math.max(_(e.getAxisWidthByAxisId("x",t)),40):1:!i.axis_y_show||i.axis_y_inner?e.axis.getYAxisLabelPosition().isOuter?30:1:_(e.getAxisWidthByAxisId("y",t))},C.getCurrentPaddingRight=function(){var t=this,e=t.config,i=t.isLegendRight?t.getLegendWidth()+20:0;return l(e.padding_right)?e.padding_right+1:e.axis_rotated?10+i:!e.axis_y2_show||e.axis_y2_inner?2+i+(t.axis.getY2AxisLabelPosition().isOuter?20:0):_(t.getAxisWidthByAxisId("y2"))+i},C.getParentRectValue=function(t){for(var e,i=this.selectChart.node();i&&"BODY"!==i.tagName;){try{e=i.getBoundingClientRect()[t]}catch(n){"width"===t&&(e=i.offsetWidth)}if(e)break;i=i.parentNode}return e},C.getParentWidth=function(){return this.getParentRectValue("width")},C.getParentHeight=function(){var t=this.selectChart.style("height");return t.indexOf("px")>0?+t.replace("px",""):0},C.getSvgLeft=function(t){var e=this,i=e.config,n=i.axis_rotated||!i.axis_rotated&&!i.axis_y_inner,a=i.axis_rotated?r.axisX:r.axisY,o=e.main.select("."+a).node(),s=o&&n?o.getBoundingClientRect():{right:0},c=e.selectChart.node().getBoundingClientRect(),d=e.hasArcType(),l=s.right-c.left-(d?0:e.getCurrentPaddingLeft(t));return l>0?l:0},C.getAxisWidthByAxisId=function(t,e){var i=this,n=i.axis.getLabelPositionById(t);return i.axis.getMaxTickWidth(t,e)+(n.isInner?20:40)},C.getHorizontalAxisHeight=function(t){var e=this,i=e.config,n=30;return"x"!==t||i.axis_x_show?"x"===t&&i.axis_x_height?i.axis_x_height:"y"!==t||i.axis_y_show?"y2"!==t||i.axis_y2_show?("x"===t&&!i.axis_rotated&&i.axis_x_tick_rotate&&(n=30+e.axis.getMaxTickWidth(t)*Math.cos(Math.PI*(90-i.axis_x_tick_rotate)/180)),"y"===t&&i.axis_rotated&&i.axis_y_tick_rotate&&(n=30+e.axis.getMaxTickWidth(t)*Math.cos(Math.PI*(90-i.axis_y_tick_rotate)/180)),n+(e.axis.getLabelPositionById(t).isInner?0:10)+("y2"===t?-10:0)):e.rotated_padding_top:!i.legend_show||e.isLegendRight||e.isLegendInset?1:10:8},C.getEventRectWidth=function(){return Math.max(0,this.xAxis.tickInterval())},C.initBrush=function(){var t=this,e=t.d3;t.brush=e.svg.brush().on("brush",function(){t.redrawForBrush()}),t.brush.update=function(){return t.context&&t.context.select("."+r.brush).call(this),this},t.brush.scale=function(e){return t.config.axis_rotated?this.y(e):this.x(e)}},C.initSubchart=function(){var t=this,e=t.config,i=t.context=t.svg.append("g").attr("transform",t.getTranslate("context")),n=e.subchart_show?"visible":"hidden";i.style("visibility",n),i.append("g").attr("clip-path",t.clipPathForSubchart).attr("class",r.chart),i.select("."+r.chart).append("g").attr("class",r.chartBars),i.select("."+r.chart).append("g").attr("class",r.chartLines),i.append("g").attr("clip-path",t.clipPath).attr("class",r.brush).call(t.brush),t.axes.subx=i.append("g").attr("class",r.axisX).attr("transform",t.getTranslate("subx")).attr("clip-path",e.axis_rotated?"":t.clipPathForXAxis).style("visibility",e.subchart_axis_x_show?n:"hidden")},C.updateTargetsForSubchart=function(t){var e,i=this,n=i.context,a=i.config,o=i.classChartBar.bind(i),s=i.classBars.bind(i),c=i.classChartLine.bind(i),d=i.classLines.bind(i),l=i.classAreas.bind(i);a.subchart_show&&(n.select("."+r.chartBars).selectAll("."+r.chartBar).data(t).attr("class",o).enter().append("g").style("opacity",0).attr("class",o).append("g").attr("class",s),(e=n.select("."+r.chartLines).selectAll("."+r.chartLine).data(t).attr("class",c).enter().append("g").style("opacity",0).attr("class",c)).append("g").attr("class",d),e.append("g").attr("class",l),n.selectAll("."+r.brush+" rect").attr(a.axis_rotated?"width":"height",a.axis_rotated?i.width2:i.height2))},C.updateBarForSubchart=function(t){var e=this;e.contextBar=e.context.selectAll("."+r.bars).selectAll("."+r.bar).data(e.barData.bind(e)),e.contextBar.enter().append("path").attr("class",e.classBar.bind(e)).style("stroke","none").style("fill",e.color),e.contextBar.style("opacity",e.initialOpacity.bind(e)),e.contextBar.exit().transition().duration(t).style("opacity",0).remove()},C.redrawBarForSubchart=function(t,e,i){(e?this.contextBar.transition(Math.random().toString()).duration(i):this.contextBar).attr("d",t).style("opacity",1)},C.updateLineForSubchart=function(t){var e=this;e.contextLine=e.context.selectAll("."+r.lines).selectAll("."+r.line).data(e.lineData.bind(e)),e.contextLine.enter().append("path").attr("class",e.classLine.bind(e)).style("stroke",e.color),e.contextLine.style("opacity",e.initialOpacity.bind(e)),e.contextLine.exit().transition().duration(t).style("opacity",0).remove()},C.redrawLineForSubchart=function(t,e,i){(e?this.contextLine.transition(Math.random().toString()).duration(i):this.contextLine).attr("d",t).style("opacity",1)},C.updateAreaForSubchart=function(t){var e=this,i=e.d3;e.contextArea=e.context.selectAll("."+r.areas).selectAll("."+r.area).data(e.lineData.bind(e)),e.contextArea.enter().append("path").attr("class",e.classArea.bind(e)).style("fill",e.color).style("opacity",function(){return e.orgAreaOpacity=+i.select(this).style("opacity"),0}),e.contextArea.style("opacity",0),e.contextArea.exit().transition().duration(t).style("opacity",0).remove()},C.redrawAreaForSubchart=function(t,e,i){(e?this.contextArea.transition(Math.random().toString()).duration(i):this.contextArea).attr("d",t).style("fill",this.color).style("opacity",this.orgAreaOpacity)},C.redrawSubchart=function(t,e,i,n,a,r,o){var s,c,d,l=this,u=l.d3,h=l.config;l.context.style("visibility",h.subchart_show?"visible":"hidden"),h.subchart_show&&(u.event&&"zoom"===u.event.type&&l.brush.extent(l.x.orgDomain()).update(),t&&(l.brush.empty()||l.brush.extent(l.x.orgDomain()).update(),s=l.generateDrawArea(a,!0),c=l.generateDrawBar(r,!0),d=l.generateDrawLine(o,!0),l.updateBarForSubchart(i),l.updateLineForSubchart(i),l.updateAreaForSubchart(i),l.redrawBarForSubchart(c,i,i),l.redrawLineForSubchart(d,i,i),l.redrawAreaForSubchart(s,i,i)))},C.redrawForBrush=function(){var t=this,e=t.x;t.redraw({withTransition:!1,withY:t.config.zoom_rescale,withSubchart:!1,withUpdateXDomain:!0,withDimension:!1}),t.config.subchart_onbrush.call(t.api,e.orgDomain())},C.transformContext=function(t,e){var i,n=this;e&&e.axisSubX?i=e.axisSubX:(i=n.context.select("."+r.axisX),t&&(i=i.transition())),n.context.attr("transform",n.getTranslate("context")),i.attr("transform",n.getTranslate("subx"))},C.getDefaultExtent=function(){var t=this,e=t.config,i=u(e.axis_x_extent)?e.axis_x_extent(t.getXDomain(t.data.targets)):e.axis_x_extent;return t.isTimeSeries()&&(i=[t.parseDate(i[0]),t.parseDate(i[1])]),i},C.initText=function(){var t=this;t.main.select("."+r.chart).append("g").attr("class",r.chartTexts),t.mainText=t.d3.selectAll([])},C.updateTargetsForText=function(t){var e=this,i=e.classChartText.bind(e),n=e.classTexts.bind(e),a=e.classFocus.bind(e);e.main.select("."+r.chartTexts).selectAll("."+r.chartText).data(t).attr("class",function(t){return i(t)+a(t)}).enter().append("g").attr("class",i).style("opacity",0).style("pointer-events","none").append("g").attr("class",n)},C.updateText=function(t){var e=this,i=e.config,n=e.barOrLineData.bind(e),a=e.classText.bind(e);e.mainText=e.main.selectAll("."+r.texts).selectAll("."+r.text).data(n),e.mainText.enter().append("text").attr("class",a).attr("text-anchor",function(t){return i.axis_rotated?t.value<0?"end":"start":"middle"}).style("stroke","none").style("fill",function(t){return e.color(t)}).style("fill-opacity",0),e.mainText.text(function(t,i,n){return e.dataLabelFormat(t.id)(t.value,t.id,i,n)}),e.mainText.exit().transition().duration(t).style("fill-opacity",0).remove()},C.redrawText=function(t,e,i,n){return[(n?this.mainText.transition():this.mainText).attr("x",t).attr("y",e).style("fill",this.color).style("fill-opacity",i?0:this.opacityForText.bind(this))]},C.getTextRect=function(t,e,i){var n,a=this.d3.select("body").append("div").classed("c3",!0),r=a.append("svg").style("visibility","hidden").style("position","fixed").style("top",0).style("left",0),o=this.d3.select(i).style("font");return r.selectAll(".dummy").data([t]).enter().append("text").classed(e||"",!0).style("font",o).text(t).each(function(){n=this.getBoundingClientRect()}),a.remove(),n},C.generateXYForText=function(t,e,i,n){var a=this,r=a.generateGetAreaPoints(t,!1),o=a.generateGetBarPoints(e,!1),s=a.generateGetLinePoints(i,!1),c=n?a.getXForText:a.getYForText;return function(t,e){var i=a.isAreaType(t)?r:a.isBarType(t)?o:s;return c.call(a,i(t,e),t,this)}},C.getXForText=function(t,e,i){var n,a,r=this,o=i.getBoundingClientRect();return r.config.axis_rotated?(a=r.isBarType(e)?4:6,n=t[2][1]+a*(e.value<0?-1:1)):n=r.hasType("bar")?(t[2][0]+t[0][0])/2:t[0][0],null===e.value&&(n>r.width?n=r.width-o.width:n<0&&(n=4)),n},C.getYForText=function(t,e,i){var n,a=this,r=i.getBoundingClientRect();return a.config.axis_rotated?n=(t[0][0]+t[2][0]+.6*r.height)/2:(n=t[2][1],e.value<0||0===e.value&&!a.hasPositiveValue?(n+=r.height,a.isBarType(e)&&a.isSafari()?n-=3:!a.isBarType(e)&&a.isChrome()&&(n+=3)):n+=a.isBarType(e)?-3:-6),null!==e.value||a.config.axis_rotated||(n<r.height?n=r.height:n>this.height&&(n=this.height-4)),n},C.initTitle=function(){var t=this;t.title=t.svg.append("text").text(t.config.title_text).attr("class",t.CLASS.title)},C.redrawTitle=function(){var t=this;t.title.attr("x",t.xForTitle.bind(t)).attr("y",t.yForTitle.bind(t))},C.xForTitle=function(){var t=this,e=t.config,i=e.title_position||"left";return i.indexOf("right")>=0?t.currentWidth-t.getTextRect(t.title.node().textContent,t.CLASS.title,t.title.node()).width-e.title_padding.right:i.indexOf("center")>=0?(t.currentWidth-t.getTextRect(t.title.node().textContent,t.CLASS.title,t.title.node()).width)/2:e.title_padding.left},C.yForTitle=function(){var t=this;return t.config.title_padding.top+t.getTextRect(t.title.node().textContent,t.CLASS.title,t.title.node()).height},C.getTitlePadding=function(){var t=this;return t.yForTitle()+t.config.title_padding.bottom},C.initTooltip=function(){var t,e=this,i=e.config;if(e.tooltip=e.selectChart.style("position","relative").append("div").attr("class",r.tooltipContainer).style("position","absolute").style("pointer-events","none").style("display","none"),i.tooltip_init_show){if(e.isTimeSeries()&&g(i.tooltip_init_x)){for(i.tooltip_init_x=e.parseDate(i.tooltip_init_x),t=0;t<e.data.targets[0].values.length&&e.data.targets[0].values[t].x-i.tooltip_init_x!=0;t++);i.tooltip_init_x=t}e.tooltip.html(i.tooltip_contents.call(e,e.data.targets.map(function(t){return 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"+r.axisY).attr("clip-path",e.axis_y_inner?"":t.clipPathForYAxis).attr("transform",t.getTranslate("y")).style("visibility",e.axis_y_show?"visible":"hidden"),t.axes.y.append("text").attr("class",r.axisYLabel).attr("transform",e.axis_rotated?"":"rotate(-90)").style("text-anchor",this.textAnchorForYAxisLabel.bind(this)),t.axes.y2=i.append("g").attr("class",r.axis+" "+r.axisY2).attr("transform",t.getTranslate("y2")).style("visibility",e.axis_y2_show?"visible":"hidden"),t.axes.y2.append("text").attr("class",r.axisY2Label).attr("transform",e.axis_rotated?"":"rotate(-90)").style("text-anchor",this.textAnchorForY2AxisLabel.bind(this))},n.getXAxis=function(t,e,i,n,a,r,o){var s=this.owner,c=s.config,d={isCategory:s.isCategorized(),withOuterTick:a,tickMultiline:c.axis_x_tick_multiline,tickWidth:c.axis_x_tick_width,tickTextRotate:o?0:c.axis_x_tick_rotate,withoutTransition:r},u=new this.internal(this,d).axis.scale(t).orient(e);return s.isTimeSeries()&&n&&"function"!=typeof n&&(n=n.map(function(t){return s.parseDate(t)})),u.tickFormat(i).tickValues(n),s.isCategorized()&&(u.tickCentered(c.axis_x_tick_centered),m(c.axis_x_tick_culling)&&(c.axis_x_tick_culling=!1)),u},n.updateXAxisTickValues=function(t,e){var i,n=this.owner,a=n.config;return(a.axis_x_tick_fit||a.axis_x_tick_count)&&(i=this.generateTickValues(n.mapTargetsToUniqueXs(t),a.axis_x_tick_count,n.isTimeSeries())),e?e.tickValues(i):(n.xAxis.tickValues(i),n.subXAxis.tickValues(i)),i},n.getYAxis=function(t,e,i,n,a,r,o){var s=this.owner,c=s.config,d=(s.d3,{withOuterTick:a,withoutTransition:r,tickTextRotate:o?0:c.axis_y_tick_rotate}),u=new this.internal(this,d).axis.scale(t).orient(e).tickFormat(i);return s.isTimeSeriesY()?u.ticks(c.axis_y_tick_time_type,c.axis_y_tick_time_interval):u.tickValues(n),u},n.getId=function(t){var e=this.owner.config;return t in e.data_axes?e.data_axes[t]:"y"},n.getXAxisTickFormat=function(){var t=this.owner,e=t.config,i=t.isTimeSeries()?t.defaultAxisTimeFormat:t.isCategorized()?t.categoryName:function(t){return t<0?t.toFixed(0):t};return e.axis_x_tick_format&&(l(e.axis_x_tick_format)?i=e.axis_x_tick_format:t.isTimeSeries()&&(i=function(i){return i?t.axisTimeFormat(e.axis_x_tick_format)(i):""})),l(i)?function(e){return i.call(t,e)}:i},n.getTickValues=function(t,e){return t||(e?e.tickValues():void 0)},n.getXAxisTickValues=function(){return this.getTickValues(this.owner.config.axis_x_tick_values,this.owner.xAxis)},n.getYAxisTickValues=function(){return this.getTickValues(this.owner.config.axis_y_tick_values,this.owner.yAxis)},n.getY2AxisTickValues=function(){return this.getTickValues(this.owner.config.axis_y2_tick_values,this.owner.y2Axis)},n.getLabelOptionByAxisId=function(t){var e,i=this.owner.config;return"y"===t?e=i.axis_y_label:"y2"===t?e=i.axis_y2_label:"x"===t&&(e=i.axis_x_label),e},n.getLabelText=function(t){var e=this.getLabelOptionByAxisId(t);return g(e)?e:e?e.text:null},n.setLabelText=function(t,e){var i=this.owner.config,n=this.getLabelOptionByAxisId(t);g(n)?"y"===t?i.axis_y_label=e:"y2"===t?i.axis_y2_label=e:"x"===t&&(i.axis_x_label=e):n&&(n.text=e)},n.getLabelPosition=function(t,e){var i=this.getLabelOptionByAxisId(t),n=i&&"object"===(void 0===i?"undefined":o(i))&&i.position?i.position:e;return{isInner:n.indexOf("inner")>=0,isOuter:n.indexOf("outer")>=0,isLeft:n.indexOf("left")>=0,isCenter:n.indexOf("center")>=0,isRight:n.indexOf("right")>=0,isTop:n.indexOf("top")>=0,isMiddle:n.indexOf("middle")>=0,isBottom:n.indexOf("bottom")>=0}},n.getXAxisLabelPosition=function(){return this.getLabelPosition("x",this.owner.config.axis_rotated?"inner-top":"inner-right")},n.getYAxisLabelPosition=function(){return this.getLabelPosition("y",this.owner.config.axis_rotated?"inner-right":"inner-top")},n.getY2AxisLabelPosition=function(){return this.getLabelPosition("y2",this.owner.config.axis_rotated?"inner-right":"inner-top")},n.getLabelPositionById=function(t){return"y2"===t?this.getY2AxisLabelPosition():"y"===t?this.getYAxisLabelPosition():this.getXAxisLabelPosition()},n.textForXAxisLabel=function(){return this.getLabelText("x")},n.textForYAxisLabel=function(){return this.getLabelText("y")},n.textForY2AxisLabel=function(){return this.getLabelText("y2")},n.xForAxisLabel=function(t,e){var i=this.owner;return t?e.isLeft?0:e.isCenter?i.width/2:i.width:e.isBottom?-i.height:e.isMiddle?-i.height/2:0},n.dxForAxisLabel=function(t,e){return t?e.isLeft?"0.5em":e.isRight?"-0.5em":"0":e.isTop?"-0.5em":e.isBottom?"0.5em":"0"},n.textAnchorForAxisLabel=function(t,e){return t?e.isLeft?"start":e.isCenter?"middle":"end":e.isBottom?"start":e.isMiddle?"middle":"end"},n.xForXAxisLabel=function(){return this.xForAxisLabel(!this.owner.config.axis_rotated,this.getXAxisLabelPosition())},n.xForYAxisLabel=function(){return this.xForAxisLabel(this.owner.config.axis_rotated,this.getYAxisLabelPosition())},n.xForY2AxisLabel=function(){return this.xForAxisLabel(this.owner.config.axis_rotated,this.getY2AxisLabelPosition())},n.dxForXAxisLabel=function(){return this.dxForAxisLabel(!this.owner.config.axis_rotated,this.getXAxisLabelPosition())},n.dxForYAxisLabel=function(){return this.dxForAxisLabel(this.owner.config.axis_rotated,this.getYAxisLabelPosition())},n.dxForY2AxisLabel=function(){return this.dxForAxisLabel(this.owner.config.axis_rotated,this.getY2AxisLabelPosition())},n.dyForXAxisLabel=function(){var t=this.owner.config,e=this.getXAxisLabelPosition();return t.axis_rotated?e.isInner?"1.2em":-25-this.getMaxTickWidth("x"):e.isInner?"-0.5em":t.axis_x_height?t.axis_x_height-10:"3em"},n.dyForYAxisLabel=function(){var t=this.owner,e=this.getYAxisLabelPosition();return t.config.axis_rotated?e.isInner?"-0.5em":"3em":e.isInner?"1.2em":-10-(t.config.axis_y_inner?0:this.getMaxTickWidth("y")+10)},n.dyForY2AxisLabel=function(){var t=this.owner,e=this.getY2AxisLabelPosition();return t.config.axis_rotated?e.isInner?"1.2em":"-2.2em":e.isInner?"-0.5em":15+(t.config.axis_y2_inner?0:this.getMaxTickWidth("y2")+15)},n.textAnchorForXAxisLabel=function(){var t=this.owner;return this.textAnchorForAxisLabel(!t.config.axis_rotated,this.getXAxisLabelPosition())},n.textAnchorForYAxisLabel=function(){var t=this.owner;return this.textAnchorForAxisLabel(t.config.axis_rotated,this.getYAxisLabelPosition())},n.textAnchorForY2AxisLabel=function(){var t=this.owner;return this.textAnchorForAxisLabel(t.config.axis_rotated,this.getY2AxisLabelPosition())},n.getMaxTickWidth=function(t,e){var i,n,a,r,o=this.owner,s=o.config,c=0;return e&&o.currentMaxTickWidths[t]?o.currentMaxTickWidths[t]:(o.svg&&(i=o.filterTargetsToShow(o.data.targets),"y"===t?(n=o.y.copy().domain(o.getYDomain(i,"y")),a=this.getYAxis(n,o.yOrient,s.axis_y_tick_format,o.yAxisTickValues,!1,!0,!0)):"y2"===t?(n=o.y2.copy().domain(o.getYDomain(i,"y2")),a=this.getYAxis(n,o.y2Orient,s.axis_y2_tick_format,o.y2AxisTickValues,!1,!0,!0)):(n=o.x.copy().domain(o.getXDomain(i)),a=this.getXAxis(n,o.xOrient,o.xAxisTickFormat,o.xAxisTickValues,!1,!0,!0),this.updateXAxisTickValues(i,a)),(r=o.d3.select("body").append("div").classed("c3",!0)).append("svg").style("visibility","hidden").style("position","fixed").style("top",0).style("left",0).append("g").call(a).each(function(){o.d3.select(this).selectAll("text").each(function(){var t=this.getBoundingClientRect();c<t.width&&(c=t.width)}),r.remove()})),o.currentMaxTickWidths[t]=c<=0?o.currentMaxTickWidths[t]:c,o.currentMaxTickWidths[t])},n.updateLabels=function(t){var e=this.owner,i=e.main.select("."+r.axisX+" ."+r.axisXLabel),n=e.main.select("."+r.axisY+" ."+r.axisYLabel),a=e.main.select("."+r.axisY2+" ."+r.axisY2Label);(t?i.transition():i).attr("x",this.xForXAxisLabel.bind(this)).attr("dx",this.dxForXAxisLabel.bind(this)).attr("dy",this.dyForXAxisLabel.bind(this)).text(this.textForXAxisLabel.bind(this)),(t?n.transition():n).attr("x",this.xForYAxisLabel.bind(this)).attr("dx",this.dxForYAxisLabel.bind(this)).attr("dy",this.dyForYAxisLabel.bind(this)).text(this.textForYAxisLabel.bind(this)),(t?a.transition():a).attr("x",this.xForY2AxisLabel.bind(this)).attr("dx",this.dxForY2AxisLabel.bind(this)).attr("dy",this.dyForY2AxisLabel.bind(this)).text(this.textForY2AxisLabel.bind(this))},n.getPadding=function(t,e,i,n){var a="number"==typeof t?t:t[e];return u(a)?"ratio"===t.unit?t[e]*n:this.convertPixelsToAxisPadding(a,n):i},n.convertPixelsToAxisPadding=function(t,e){var i=this.owner;return e*(t/(i.config.axis_rotated?i.width:i.height))},n.generateTickValues=function(t,e,i){var n,a,r,o,s,c,d,u=t;if(e)if(1===(n=l(e)?e():e))u=[t[0]];else if(2===n)u=[t[0],t[t.length-1]];else if(n>2){for(o=n-2,a=t[0],s=((r=t[t.length-1])-a)/(o+1),u=[a],c=0;c<o;c++)d=+a+s*(c+1),u.push(i?new Date(d):d);u.push(r)}return i||(u=u.sort(function(t,e){return t-e})),u},n.generateTransitions=function(t){var e=this.owner.axes;return{axisX:t?e.x.transition().duration(t):e.x,axisY:t?e.y.transition().duration(t):e.y,axisY2:t?e.y2.transition().duration(t):e.y2,axisSubX:t?e.subx.transition().duration(t):e.subx}},n.redraw=function(t,e){var i=this.owner,n=t?i.d3.transition().duration(t):null;i.axes.x.style("opacity",e?0:1).call(i.xAxis,n),i.axes.y.style("opacity",e?0:1).call(i.yAxis,n),i.axes.y2.style("opacity",e?0:1).call(i.y2Axis,n),i.axes.subx.style("opacity",e?0:1).call(i.subXAxis,n)};var P,C,L={version:"0.4.18"};return L.generate=function(t){return new e(t)},L.chart={fn:e.prototype,internal:{fn:i.prototype}},P=L.chart.fn,C=L.chart.internal.fn,C.beforeInit=function(){},C.afterInit=function(){},C.init=function(){var t=this,e=t.config;if(t.initParams(),e.data_url)t.convertUrlToData(e.data_url,e.data_mimeType,e.data_headers,e.data_keys,t.initWithData);else if(e.data_json)t.initWithData(t.convertJsonToData(e.data_json,e.data_keys));else if(e.data_rows)t.initWithData(t.convertRowsToData(e.data_rows));else{if(!e.data_columns)throw Error("url or json or rows or columns is required.");t.initWithData(t.convertColumnsToData(e.data_columns))}},C.initParams=function(){var t=this,e=t.d3,i=t.config;t.clipId="c3-"+ +new Date+"-clip",t.clipIdForXAxis=t.clipId+"-xaxis",t.clipIdForYAxis=t.clipId+"-yaxis",t.clipIdForGrid=t.clipId+"-grid",t.clipIdForSubchart=t.clipId+"-subchart",t.clipPath=t.getClipPath(t.clipId),t.clipPathForXAxis=t.getClipPath(t.clipIdForXAxis),t.clipPathForYAxis=t.getClipPath(t.clipIdForYAxis),t.clipPathForGrid=t.getClipPath(t.clipIdForGrid),t.clipPathForSubchart=t.getClipPath(t.clipIdForSubchart),t.dragStart=null,t.dragging=!1,t.flowing=!1,t.cancelClick=!1,t.mouseover=!1,t.transiting=!1,t.color=t.generateColor(),t.levelColor=t.generateLevelColor(),t.dataTimeParse=(i.data_xLocaltime?e.timeParse:e.utcParse)(t.config.data_xFormat),t.axisTimeFormat=i.axis_x_localtime?e.timeFormat:e.utcFormat,t.defaultAxisTimeFormat=function(t){return t.getMilliseconds()?e.timeFormat(".%L")(t):t.getSeconds()?e.timeFormat(":%S")(t):t.getMinutes()?e.timeFormat("%I:%M")(t):t.getHours()?e.timeFormat("%I %p")(t):t.getDay()&&1!==t.getDate()?e.timeFormat("%-m/%-d")(t):1!==t.getDate()?e.timeFormat("%-m/%-d")(t):t.getMonth()?e.timeFormat("%-m/%-d")(t):e.timeFormat("%Y/%-m/%-d")(t)},t.hiddenTargetIds=[],t.hiddenLegendIds=[],t.focusedTargetIds=[],t.defocusedTargetIds=[],t.xOrient=i.axis_rotated?"left":"bottom",t.yOrient=i.axis_rotated?i.axis_y_inner?"top":"bottom":i.axis_y_inner?"right":"left",t.y2Orient=i.axis_rotated?i.axis_y2_inner?"bottom":"top":i.axis_y2_inner?"left":"right",t.subXOrient=i.axis_rotated?"left":"bottom",t.isLegendRight="right"===i.legend_position,t.isLegendInset="inset"===i.legend_position,t.isLegendTop="top-left"===i.legend_inset_anchor||"top-right"===i.legend_inset_anchor,t.isLegendLeft="top-left"===i.legend_inset_anchor||"bottom-left"===i.legend_inset_anchor,t.legendStep=0,t.legendItemWidth=0,t.legendItemHeight=0,t.currentMaxTickWidths={x:0,y:0,y2:0},t.rotated_padding_left=30,t.rotated_padding_right=i.axis_rotated&&!i.axis_x_show?0:30,t.rotated_padding_top=5,t.withoutFadeIn={},t.intervalForObserveInserted=void 0,t.axes.subx=e.selectAll([])},C.initChartElements=function(){this.initBar&&this.initBar(),this.initLine&&this.initLine(),this.initArc&&this.initArc(),this.initGauge&&this.initGauge(),this.initText&&this.initText()},C.initWithData=function(t){var e,i,n=this,a=n.d3,o=n.config,s=!0;n.axis=new A(n),o.bindto?"function"==typeof o.bindto.node?n.selectChart=o.bindto:n.selectChart=a.select(o.bindto):n.selectChart=a.selectAll([]),n.selectChart.empty()&&(n.selectChart=a.select(document.createElement("div")).style("opacity",0),n.observeInserted(n.selectChart),s=!1),n.selectChart.html("").classed("c3",!0),n.data.xs={},n.data.targets=n.convertDataToTargets(t),o.data_filter&&(n.data.targets=n.data.targets.filter(o.data_filter)),o.data_hide&&n.addHiddenTargetIds(!0===o.data_hide?n.mapToIds(n.data.targets):o.data_hide),o.legend_hide&&n.addHiddenLegendIds(!0===o.legend_hide?n.mapToIds(n.data.targets):o.legend_hide),n.hasType("gauge")&&(o.legend_show=!1),n.updateSizes(),n.updateScales(),n.x.domain(a.extent(n.getXDomain(n.data.targets))),n.y.domain(n.getYDomain(n.data.targets,"y")),n.y2.domain(n.getYDomain(n.data.targets,"y2")),n.subX.domain(n.x.domain()),n.subY.domain(n.y.domain()),n.subY2.domain(n.y2.domain()),n.orgXDomain=n.x.domain(),n.svg=n.selectChart.append("svg").style("overflow","hidden").on("mouseenter",function(){return o.onmouseover.call(n)}).on("mouseleave",function(){return o.onmouseout.call(n)}),n.config.svg_classname&&n.svg.attr("class",n.config.svg_classname),e=n.svg.append("defs"),n.clipChart=n.appendClip(e,n.clipId),n.clipXAxis=n.appendClip(e,n.clipIdForXAxis),n.clipYAxis=n.appendClip(e,n.clipIdForYAxis),n.clipGrid=n.appendClip(e,n.clipIdForGrid),n.clipSubchart=n.appendClip(e,n.clipIdForSubchart),n.updateSvgSize(),i=n.main=n.svg.append("g").attr("transform",n.getTranslate("main")),n.initPie&&n.initPie(),n.initSubchart&&n.initSubchart(),n.initTooltip&&n.initTooltip(),n.initLegend&&n.initLegend(),n.initTitle&&n.initTitle(),n.initZoom&&n.initZoom(),n.initSubchartBrush&&n.initSubchartBrush(),i.append("text").attr("class",r.text+" "+r.empty).attr("text-anchor","middle").attr("dominant-baseline","middle"),n.initRegion(),n.initGrid(),i.append("g").attr("clip-path",n.clipPath).attr("class",r.chart),o.grid_lines_front&&n.initGridLines(),n.initChartElements(),n.axis.init(),n.updateTargets(n.data.targets),n.initEventRect(),o.axis_x_selection&&n.brush.selectionAsValue(n.getDefaultSelection()),s&&(n.updateDimension(),n.config.oninit.call(n),n.redraw({withTransition:!1,withTransform:!0,withUpdateXDomain:!0,withUpdateOrgXDomain:!0,withTransitionForAxis:!1})),n.bindResize(),n.api.element=n.selectChart.node()},C.smoothLines=function(t,e){var i=this;"grid"===e&&t.each(function(){var t=i.d3.select(this),e=t.attr("x1"),n=t.attr("x2"),a=t.attr("y1"),r=t.attr("y2");t.attr({x1:Math.ceil(e),x2:Math.ceil(n),y1:Math.ceil(a),y2:Math.ceil(r)})})},C.updateSizes=function(){var 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e=!1;t.forEach(function(t){"d"==t.attributeName&&(e=!0)}),e&&(this._list=this._parsePath(this._pathElement.getAttribute("d")))}},window.SVGPathSegList.prototype._writeListToPath=function(){this._pathElementMutationObserver.disconnect(),this._pathElement.setAttribute("d",window.SVGPathSegList._pathSegArrayAsString(this._list)),this._pathElementMutationObserver.observe(this._pathElement,this._mutationObserverConfig)},window.SVGPathSegList.prototype.segmentChanged=function(t){this._writeListToPath()},window.SVGPathSegList.prototype.clear=function(){this._checkPathSynchronizedToList(),this._list.forEach(function(t){t._owningPathSegList=null}),this._list=[],this._writeListToPath()},window.SVGPathSegList.prototype.initialize=function(t){return this._checkPathSynchronizedToList(),this._list=[t],t._owningPathSegList=this,this._writeListToPath(),t},window.SVGPathSegList.prototype._checkValidIndex=function(t){if(isNaN(t)||t<0||t>=this.numberOfItems)throw"INDEX_SIZE_ERR"},window.SVGPathSegList.prototype.getItem=function(t){return this._checkPathSynchronizedToList(),this._checkValidIndex(t),this._list[t]},window.SVGPathSegList.prototype.insertItemBefore=function(t,e){return this._checkPathSynchronizedToList(),e>this.numberOfItems&&(e=this.numberOfItems),t._owningPathSegList&&(t=t.clone()),this._list.splice(e,0,t),t._owningPathSegList=this,this._writeListToPath(),t},window.SVGPathSegList.prototype.replaceItem=function(t,e){return this._checkPathSynchronizedToList(),t._owningPathSegList&&(t=t.clone()),this._checkValidIndex(e),this._list[e]=t,t._owningPathSegList=this,this._writeListToPath(),t},window.SVGPathSegList.prototype.removeItem=function(t){this._checkPathSynchronizedToList(),this._checkValidIndex(t);var e=this._list[t];return this._list.splice(t,1),this._writeListToPath(),e},window.SVGPathSegList.prototype.appendItem=function(t){return this._checkPathSynchronizedToList(),t._owningPathSegList&&(t=t.clone()),this._list.push(t),t._owningPathSegList=this,this._writeListToPath(),t},window.SVGPathSegList._pathSegArrayAsString=function(t){var e="",i=!0;return t.forEach(function(t){i?(i=!1,e+=t._asPathString()):e+=" "+t._asPathString()}),e},window.SVGPathSegList.prototype._parsePath=function(t){if(!t||0==t.length)return[];var e=this,i=function(){this.pathSegList=[]};i.prototype.appendSegment=function(t){this.pathSegList.push(t)};var n=function(t){this._string=t,this._currentIndex=0,this._endIndex=this._string.length,this._previousCommand=window.SVGPathSeg.PATHSEG_UNKNOWN,this._skipOptionalSpaces()};n.prototype._isCurrentSpace=function(){var t=this._string[this._currentIndex];return t<=" "&&(" 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window.SVGPathSeg.PATHSEG_MOVETO_REL;case"L":return window.SVGPathSeg.PATHSEG_LINETO_ABS;case"l":return window.SVGPathSeg.PATHSEG_LINETO_REL;case"C":return window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS;case"c":return window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL;case"Q":return window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS;case"q":return window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL;case"A":return window.SVGPathSeg.PATHSEG_ARC_ABS;case"a":return window.SVGPathSeg.PATHSEG_ARC_REL;case"H":return window.SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS;case"h":return window.SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL;case"V":return window.SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS;case"v":return window.SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL;case"S":return window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS;case"s":return window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL;case"T":return window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS;case"t":return window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL;default:return window.SVGPathSeg.PATHSEG_UNKNOWN}},n.prototype._nextCommandHelper=function(t,e){return("+"==t||"-"==t||"."==t||t>="0"&&t<="9")&&e!=window.SVGPathSeg.PATHSEG_CLOSEPATH?e==window.SVGPathSeg.PATHSEG_MOVETO_ABS?window.SVGPathSeg.PATHSEG_LINETO_ABS:e==window.SVGPathSeg.PATHSEG_MOVETO_REL?window.SVGPathSeg.PATHSEG_LINETO_REL:e:window.SVGPathSeg.PATHSEG_UNKNOWN},n.prototype.initialCommandIsMoveTo=function(){if(!this.hasMoreData())return!0;var t=this.peekSegmentType();return t==window.SVGPathSeg.PATHSEG_MOVETO_ABS||t==window.SVGPathSeg.PATHSEG_MOVETO_REL},n.prototype._parseNumber=function(){var t=0,e=0,i=1,n=0,a=1,r=1,o=this._currentIndex;if(this._skipOptionalSpaces(),this._currentIndex<this._endIndex&&"+"==this._string.charAt(this._currentIndex)?this._currentIndex++:this._currentIndex<this._endIndex&&"-"==this._string.charAt(this._currentIndex)&&(this._currentIndex++,a=-1),!(this._currentIndex==this._endIndex||(this._string.charAt(this._currentIndex)<"0"||this._string.charAt(this._currentIndex)>"9")&&"."!=this._string.charAt(this._currentIndex))){for(var s=this._currentIndex;this._currentIndex<this._endIndex&&this._string.charAt(this._currentIndex)>="0"&&this._string.charAt(this._currentIndex)<="9";)this._currentIndex++;if(this._currentIndex!=s)for(var c=this._currentIndex-1,d=1;c>=s;)e+=d*(this._string.charAt(c--)-"0"),d*=10;if(this._currentIndex<this._endIndex&&"."==this._string.charAt(this._currentIndex)){if(++this._currentIndex>=this._endIndex||this._string.charAt(this._currentIndex)<"0"||this._string.charAt(this._currentIndex)>"9")return;for(;this._currentIndex<this._endIndex&&this._string.charAt(this._currentIndex)>="0"&&this._string.charAt(this._currentIndex)<="9";)i*=10,n+=(this._string.charAt(this._currentIndex)-"0")/i,this._currentIndex+=1}if(this._currentIndex!=o&&this._currentIndex+1<this._endIndex&&("e"==this._string.charAt(this._currentIndex)||"E"==this._string.charAt(this._currentIndex))&&"x"!=this._string.charAt(this._currentIndex+1)&&"m"!=this._string.charAt(this._currentIndex+1)){if(this._currentIndex++,"+"==this._string.charAt(this._currentIndex)?this._currentIndex++:"-"==this._string.charAt(this._currentIndex)&&(this._currentIndex++,r=-1),this._currentIndex>=this._endIndex||this._string.charAt(this._currentIndex)<"0"||this._string.charAt(this._currentIndex)>"9")return;for(;this._currentIndex<this._endIndex&&this._string.charAt(this._currentIndex)>="0"&&this._string.charAt(this._currentIndex)<="9";)t*=10,t+=this._string.charAt(this._currentIndex)-"0",this._currentIndex++}var u=e+n;if(u*=a,t&&(u*=Math.pow(10,r*t)),o!=this._currentIndex)return this._skipOptionalSpacesOrDelimiter(),u}},n.prototype._parseArcFlag=function(){if(!(this._currentIndex>=this._endIndex)){var t=!1,e=this._string.charAt(this._currentIndex++);if("0"==e)t=!1;else{if("1"!=e)return;t=!0}return this._skipOptionalSpacesOrDelimiter(),t}},n.prototype.parseSegment=function(){var t=this._string[this._currentIndex],i=this._pathSegTypeFromChar(t);if(i==window.SVGPathSeg.PATHSEG_UNKNOWN){if(this._previousCommand==window.SVGPathSeg.PATHSEG_UNKNOWN)return null;if((i=this._nextCommandHelper(t,this._previousCommand))==window.SVGPathSeg.PATHSEG_UNKNOWN)return null}else this._currentIndex++;switch(this._previousCommand=i,i){case window.SVGPathSeg.PATHSEG_MOVETO_REL:return new window.SVGPathSegMovetoRel(e,this._parseNumber(),this._parseNumber());case window.SVGPathSeg.PATHSEG_MOVETO_ABS:return new window.SVGPathSegMovetoAbs(e,this._parseNumber(),this._parseNumber());case window.SVGPathSeg.PATHSEG_LINETO_REL:return new window.SVGPathSegLinetoRel(e,this._parseNumber(),this._parseNumber());case window.SVGPathSeg.PATHSEG_LINETO_ABS:return new window.SVGPathSegLinetoAbs(e,this._parseNumber(),this._parseNumber());case window.SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_REL:return new window.SVGPathSegLinetoHorizontalRel(e,this._parseNumber());case window.SVGPathSeg.PATHSEG_LINETO_HORIZONTAL_ABS:return new window.SVGPathSegLinetoHorizontalAbs(e,this._parseNumber());case window.SVGPathSeg.PATHSEG_LINETO_VERTICAL_REL:return new window.SVGPathSegLinetoVerticalRel(e,this._parseNumber());case window.SVGPathSeg.PATHSEG_LINETO_VERTICAL_ABS:return new window.SVGPathSegLinetoVerticalAbs(e,this._parseNumber());case window.SVGPathSeg.PATHSEG_CLOSEPATH:return this._skipOptionalSpaces(),new window.SVGPathSegClosePath(e);case window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_REL:return n={x1:this._parseNumber(),y1:this._parseNumber(),x2:this._parseNumber(),y2:this._parseNumber(),x:this._parseNumber(),y:this._parseNumber()},new window.SVGPathSegCurvetoCubicRel(e,n.x,n.y,n.x1,n.y1,n.x2,n.y2);case window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_ABS:return n={x1:this._parseNumber(),y1:this._parseNumber(),x2:this._parseNumber(),y2:this._parseNumber(),x:this._parseNumber(),y:this._parseNumber()},new window.SVGPathSegCurvetoCubicAbs(e,n.x,n.y,n.x1,n.y1,n.x2,n.y2);case window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_REL:return n={x2:this._parseNumber(),y2:this._parseNumber(),x:this._parseNumber(),y:this._parseNumber()},new window.SVGPathSegCurvetoCubicSmoothRel(e,n.x,n.y,n.x2,n.y2);case window.SVGPathSeg.PATHSEG_CURVETO_CUBIC_SMOOTH_ABS:return n={x2:this._parseNumber(),y2:this._parseNumber(),x:this._parseNumber(),y:this._parseNumber()},new window.SVGPathSegCurvetoCubicSmoothAbs(e,n.x,n.y,n.x2,n.y2);case window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_REL:return n={x1:this._parseNumber(),y1:this._parseNumber(),x:this._parseNumber(),y:this._parseNumber()},new window.SVGPathSegCurvetoQuadraticRel(e,n.x,n.y,n.x1,n.y1);case window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_ABS:return n={x1:this._parseNumber(),y1:this._parseNumber(),x:this._parseNumber(),y:this._parseNumber()},new window.SVGPathSegCurvetoQuadraticAbs(e,n.x,n.y,n.x1,n.y1);case window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_REL:return new window.SVGPathSegCurvetoQuadraticSmoothRel(e,this._parseNumber(),this._parseNumber());case window.SVGPathSeg.PATHSEG_CURVETO_QUADRATIC_SMOOTH_ABS:return new window.SVGPathSegCurvetoQuadraticSmoothAbs(e,this._parseNumber(),this._parseNumber());case window.SVGPathSeg.PATHSEG_ARC_REL:return n={x1:this._parseNumber(),y1:this._parseNumber(),arcAngle:this._parseNumber(),arcLarge:this._parseArcFlag(),arcSweep:this._parseArcFlag(),x:this._parseNumber(),y:this._parseNumber()},new window.SVGPathSegArcRel(e,n.x,n.y,n.x1,n.y1,n.arcAngle,n.arcLarge,n.arcSweep);case window.SVGPathSeg.PATHSEG_ARC_ABS:var n={x1:this._parseNumber(),y1:this._parseNumber(),arcAngle:this._parseNumber(),arcLarge:this._parseArcFlag(),arcSweep:this._parseArcFlag(),x:this._parseNumber(),y:this._parseNumber()};return new window.SVGPathSegArcAbs(e,n.x,n.y,n.x1,n.y1,n.arcAngle,n.arcLarge,n.arcSweep);default:throw"Unknown path seg type."}};var a=new i,r=new n(t);if(!r.initialCommandIsMoveTo())return[];for(;r.hasMoreData();){var o=r.parseSegment();if(!o)return[];a.appendSegment(o)}return a.pathSegList}),P.axis=function(){},P.axis.labels=function(t){var e=this.internal;arguments.length&&(Object.keys(t).forEach(function(i){e.axis.setLabelText(i,t[i])}),e.axis.updateLabels())},P.axis.max=function(t){var e=this.internal,i=e.config;if(!arguments.length)return{x:i.axis_x_max,y:i.axis_y_max,y2:i.axis_y2_max};"object"===(void 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e,i=this.internal;t=i.mapToTargetIds(t),e=i.svg.selectAll(i.selectorTargets(t.filter(i.isTargetToShow,i))),this.revert(),this.defocus(),e.classed(r.focused,!0).classed(r.defocused,!1),i.hasArcType()&&i.expandArc(t),i.toggleFocusLegend(t,!0),i.focusedTargetIds=t,i.defocusedTargetIds=i.defocusedTargetIds.filter(function(e){return t.indexOf(e)<0})},P.defocus=function(t){var e=this.internal;t=e.mapToTargetIds(t),e.svg.selectAll(e.selectorTargets(t.filter(e.isTargetToShow,e))).classed(r.focused,!1).classed(r.defocused,!0),e.hasArcType()&&e.unexpandArc(t),e.toggleFocusLegend(t,!1),e.focusedTargetIds=e.focusedTargetIds.filter(function(e){return t.indexOf(e)<0}),e.defocusedTargetIds=t},P.revert=function(t){var e=this.internal;t=e.mapToTargetIds(t),e.svg.selectAll(e.selectorTargets(t)).classed(r.focused,!1).classed(r.defocused,!1),e.hasArcType()&&e.unexpandArc(t),e.config.legend_show&&(e.showLegend(t.filter(e.isLegendToShow.bind(e))),e.legend.selectAll(e.selectorLegends(t)).filter(function(){return e.d3.select(this).classed(r.legendItemFocused)}).classed(r.legendItemFocused,!1)),e.focusedTargetIds=[],e.defocusedTargetIds=[]},P.xgrids=function(t){var e=this.internal,i=e.config;return t?(i.grid_x_lines=t,e.redrawWithoutRescale(),i.grid_x_lines):i.grid_x_lines},P.xgrids.add=function(t){var e=this.internal;return this.xgrids(e.config.grid_x_lines.concat(t||[]))},P.xgrids.remove=function(t){this.internal.removeGridLines(t,!0)},P.ygrids=function(t){var e=this.internal,i=e.config;return t?(i.grid_y_lines=t,e.redrawWithoutRescale(),i.grid_y_lines):i.grid_y_lines},P.ygrids.add=function(t){var e=this.internal;return this.ygrids(e.config.grid_y_lines.concat(t||[]))},P.ygrids.remove=function(t){this.internal.removeGridLines(t,!1)},P.groups=function(t){var e=this.internal,i=e.config;return f(t)?i.data_groups:(i.data_groups=t,e.redraw(),i.data_groups)},P.legend=function(){},P.legend.show=function(t){var e=this.internal;e.showLegend(e.mapToTargetIds(t)),e.updateAndRedraw({withLegend:!0})},P.legend.hide=function(t){var e=this.internal;e.hideLegend(e.mapToTargetIds(t)),e.updateAndRedraw({withLegend:!0})},P.load=function(t){var e=this.internal,i=e.config;t.xs&&e.addXs(t.xs),"names"in t&&P.data.names.bind(this)(t.names),"classes"in t&&Object.keys(t.classes).forEach(function(e){i.data_classes[e]=t.classes[e]}),"categories"in t&&e.isCategorized()&&(i.axis_x_categories=t.categories),"axes"in t&&Object.keys(t.axes).forEach(function(e){i.data_axes[e]=t.axes[e]}),"colors"in t&&Object.keys(t.colors).forEach(function(e){i.data_colors[e]=t.colors[e]}),"cacheIds"in t&&e.hasCaches(t.cacheIds)?e.load(e.getCaches(t.cacheIds),t.done):"unload"in t?e.unload(e.mapToTargetIds("boolean"==typeof t.unload&&t.unload?null:t.unload),function(){e.loadFromArgs(t)}):e.loadFromArgs(t)},P.unload=function(t){var e=this.internal;(t=t||{})instanceof Array?t={ids:t}:"string"==typeof t&&(t={ids:[t]}),e.unload(e.mapToTargetIds(t.ids),function(){e.redraw({withUpdateOrgXDomain:!0,withUpdateXDomain:!0,withLegend:!0}),t.done&&t.done()})},P.regions=function(t){var e=this.internal,i=e.config;return t?(i.regions=t,e.redrawWithoutRescale(),i.regions):i.regions},P.regions.add=function(t){var e=this.internal,i=e.config;return t?(i.regions=i.regions.concat(t),e.redrawWithoutRescale(),i.regions):i.regions},P.regions.remove=function(t){var e,i,n,a=this.internal,o=a.config;return t=t||{},e=a.getOption(t,"duration",o.transition_duration),i=a.getOption(t,"classes",[r.region]),n=a.main.select("."+r.regions).selectAll(i.map(function(t){return"."+t})),(e?n.transition().duration(e):n).style("opacity",0).remove(),o.regions=o.regions.filter(function(t){var e=!1;return!t.class||(t.class.split(" ").forEach(function(t){i.indexOf(t)>=0&&(e=!0)}),!e)}),o.regions},P.selected=function(t){var e=this.internal,i=e.d3;return i.merge(e.main.selectAll("."+r.shapes+e.getTargetSelectorSuffix(t)).selectAll("."+r.shape).filter(function(){return i.select(this).classed(r.SELECTED)}).map(function(t){return t.map(function(t){var e=t.__data__;return e.data?e.data:e})}))},P.select=function(t,e,i){var n=this.internal,a=n.d3,o=n.config;o.data_selection_enabled&&n.main.selectAll("."+r.shapes).selectAll("."+r.shape).each(function(s,c){var d=a.select(this),u=s.data?s.data.id:s.id,l=n.getToggle(this,s).bind(n),h=o.data_selection_grouped||!t||t.indexOf(u)>=0,g=!e||e.indexOf(c)>=0,f=d.classed(r.SELECTED);d.classed(r.line)||d.classed(r.area)||(h&&g?o.data_selection_isselectable(s)&&!f&&l(!0,d.classed(r.SELECTED,!0),s,c):p(i)&&i&&f&&l(!1,d.classed(r.SELECTED,!1),s,c))})},P.unselect=function(t,e){var i=this.internal,n=i.d3,a=i.config;a.data_selection_enabled&&i.main.selectAll("."+r.shapes).selectAll("."+r.shape).each(function(o,s){var c=n.select(this),d=o.data?o.data.id:o.id,u=i.getToggle(this,o).bind(i),l=a.data_selection_grouped||!t||t.indexOf(d)>=0,h=!e||e.indexOf(s)>=0,g=c.classed(r.SELECTED);c.classed(r.line)||c.classed(r.area)||l&&h&&a.data_selection_isselectable(o)&&g&&u(!1,c.classed(r.SELECTED,!1),o,s)})},P.show=function(t,e){var i,n=this.internal;t=n.mapToTargetIds(t),e=e||{},n.removeHiddenTargetIds(t),(i=n.svg.selectAll(n.selectorTargets(t))).transition().style("opacity",1,"important").call(n.endall,function(){i.style("opacity",null).style("opacity",1)}),e.withLegend&&n.showLegend(t),n.redraw({withUpdateOrgXDomain:!0,withUpdateXDomain:!0,withLegend:!0})},P.hide=function(t,e){var i,n=this.internal;t=n.mapToTargetIds(t),e=e||{},n.addHiddenTargetIds(t),(i=n.svg.selectAll(n.selectorTargets(t))).transition().style("opacity",0,"important").call(n.endall,function(){i.style("opacity",null).style("opacity",0)}),e.withLegend&&n.hideLegend(t),n.redraw({withUpdateOrgXDomain:!0,withUpdateXDomain:!0,withLegend:!0})},P.toggle=function(t,e){var i=this,n=this.internal;n.mapToTargetIds(t).forEach(function(t){n.isTargetToShow(t)?i.hide(t,e):i.show(t,e)})},P.tooltip=function(){},P.tooltip.show=function(t){var e,i,n=this.internal,a={};t.mouse?a=t.mouse:(t.data?i=t.data:void 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arguments.length&&(e.updateTargetXs(e.data.targets,t),e.redraw({withUpdateOrgXDomain:!0,withUpdateXDomain:!0})),e.data.xs},P.zoom=function(t){var e=this.internal;return t&&(e.isTimeSeries()&&(t=t.map(function(t){return e.parseDate(t)})),e.config.subchart_show?e.brush.selectionAsValue(t):(e.updateXDomain(null,!0,!1,!1,t),e.redraw({withY:e.config.zoom_rescale,withSubchart:!1})),e.config.zoom_onzoom.call(this,e.x.orgDomain())),t},P.zoom.enable=function(t){var e=this.internal;e.config.zoom_enabled=t,e.updateAndRedraw()},P.unzoom=function(){var t=this.internal;t.config.subchart_show?t.brush.clear():(t.updateXDomain(null,!0,!1,!1,t.subX.domain()),t.redraw({withY:t.config.zoom_rescale,withSubchart:!1}))},P.zoom.max=function(t){var e=this.internal,i=e.config,n=e.d3;if(0!==t&&!t)return i.zoom_x_max;i.zoom_x_max=n.max([e.orgXDomain[1],t])},P.zoom.min=function(t){var e=this.internal,i=e.config,n=e.d3;if(0!==t&&!t)return i.zoom_x_min;i.zoom_x_min=n.min([e.orgXDomain[0],t])},P.zoom.range=function(t){if(!arguments.length)return{max:this.domain.max(),min:this.domain.min()};p(t.max)&&this.domain.max(t.max),p(t.min)&&this.domain.min(t.min)},C.initPie=function(){var t=this,e=t.d3;t.pie=e.pie().value(function(t){return t.values.reduce(function(t,e){return t+e.value},0)}),t.pie.sort(t.getOrderFunction()||null)},C.updateRadius=function(){var t=this,e=t.config,i=e.gauge_width||e.donut_width;t.radiusExpanded=Math.min(t.arcWidth,t.arcHeight)/2,t.radius=.95*t.radiusExpanded,t.innerRadiusRatio=i?(t.radius-i)/t.radius:.6,t.innerRadius=t.hasType("donut")||t.hasType("gauge")?t.radius*t.innerRadiusRatio:0},C.updateArc=function(){var t=this;t.svgArc=t.getSvgArc(),t.svgArcExpanded=t.getSvgArcExpanded(),t.svgArcExpandedSub=t.getSvgArcExpanded(.98)},C.updateAngle=function(t){var e,i,n,a,r=this,o=r.config,s=!1,c=0;return o?(r.pie(r.filterTargetsToShow(r.data.targets)).forEach(function(e){s||e.data.id!==t.data.id||(s=!0,(t=e).index=c),c++}),isNaN(t.startAngle)&&(t.startAngle=0),isNaN(t.endAngle)&&(t.endAngle=t.startAngle),r.isGaugeType(t.data)&&(e=o.gauge_min,i=o.gauge_max,n=Math.PI*(o.gauge_fullCircle?2:1)/(i-e),a=t.value<e?0:t.value<i?t.value-e:i-e,t.startAngle=o.gauge_startingAngle,t.endAngle=t.startAngle+n*a),s?t:null):null},C.getSvgArc=function(){var t=this,e=t.d3.arc().outerRadius(t.radius).innerRadius(t.innerRadius),i=function(i,n){var a;return n?e(i):(a=t.updateAngle(i))?e(a):"M 0 0"};return i.centroid=e.centroid,i},C.getSvgArcExpanded=function(t){var e=this,i=e.d3.arc().outerRadius(e.radiusExpanded*(t||1)).innerRadius(e.innerRadius);return function(t){var n=e.updateAngle(t);return n?i(n):"M 0 0"}},C.getArc=function(t,e,i){return i||this.isArcType(t.data)?this.svgArc(t,e):"M 0 0"},C.transformForArcLabel=function(t){var e,i,n,a,r,o=this,s=o.config,c=o.updateAngle(t),d="";return c&&!o.hasType("gauge")&&(e=this.svgArc.centroid(c),i=isNaN(e[0])?0:e[0],n=isNaN(e[1])?0:e[1],a=Math.sqrt(i*i+n*n),d="translate("+i*(r=o.hasType("donut")&&s.donut_label_ratio?l(s.donut_label_ratio)?s.donut_label_ratio(t,o.radius,a):s.donut_label_ratio:o.hasType("pie")&&s.pie_label_ratio?l(s.pie_label_ratio)?s.pie_label_ratio(t,o.radius,a):s.pie_label_ratio:o.radius&&a?(36/o.radius>.375?1.175-36/o.radius:.8)*o.radius/a:0)+","+n*r+")"),d},C.getArcRatio=function(t){var e=this,i=e.config,n=Math.PI*(e.hasType("gauge")&&!i.gauge_fullCircle?1:2);return t?(t.endAngle-t.startAngle)/n:null},C.convertToArcData=function(t){return this.addName({id:t.data.id,value:t.value,ratio:this.getArcRatio(t),index:t.index})},C.textForArcLabel=function(t){var e,i,n,a,r,o=this;return o.shouldShowArcLabel()?(e=o.updateAngle(t),i=e?e.value:null,n=o.getArcRatio(e),a=t.data.id,o.hasType("gauge")||o.meetsArcLabelThreshold(n)?(r=o.getArcLabelFormat())?r(i,n,a):o.defaultArcValueFormat(i,n):""):""},C.textForGaugeMinMax=function(t,e){var i=this.getGaugeLabelExtents();return i?i(t,e):t},C.expandArc=function(t){var e,i=this;i.transiting?e=window.setInterval(function(){i.transiting||(window.clearInterval(e),i.legend.selectAll(".c3-legend-item-focused").size()>0&&i.expandArc(t))},10):(t=i.mapToTargetIds(t),i.svg.selectAll(i.selectorTargets(t,"."+r.chartArc)).each(function(t){i.shouldExpand(t.data.id)&&i.d3.select(this).selectAll("path").transition().duration(i.expandDuration(t.data.id)).attr("d",i.svgArcExpanded).transition().duration(2*i.expandDuration(t.data.id)).attr("d",i.svgArcExpandedSub).each(function(t){i.isDonutType(t.data)})}))},C.unexpandArc=function(t){var e=this;e.transiting||(t=e.mapToTargetIds(t),e.svg.selectAll(e.selectorTargets(t,"."+r.chartArc)).selectAll("path").transition().duration(function(t){return e.expandDuration(t.data.id)}).attr("d",e.svgArc),e.svg.selectAll("."+r.arc))},C.expandDuration=function(t){var e=this,i=e.config;return e.isDonutType(t)?i.donut_expand_duration:e.isGaugeType(t)?i.gauge_expand_duration:e.isPieType(t)?i.pie_expand_duration:50},C.shouldExpand=function(t){var e=this,i=e.config;return e.isDonutType(t)&&i.donut_expand||e.isGaugeType(t)&&i.gauge_expand||e.isPieType(t)&&i.pie_expand},C.shouldShowArcLabel=function(){var t=this,e=t.config,i=!0;return t.hasType("donut")?i=e.donut_label_show:t.hasType("pie")&&(i=e.pie_label_show),i},C.meetsArcLabelThreshold=function(t){var e=this,i=e.config;return t>=(e.hasType("donut")?i.donut_label_threshold:i.pie_label_threshold)},C.getArcLabelFormat=function(){var t=this,e=t.config,i=e.pie_label_format;return t.hasType("gauge")?i=e.gauge_label_format:t.hasType("donut")&&(i=e.donut_label_format),i},C.getGaugeLabelExtents=function(){return this.config.gauge_label_extents},C.getArcTitle=function(){var t=this;return t.hasType("donut")?t.config.donut_title:""},C.updateTargetsForArc=function(t){var e,i=this,n=i.main,a=i.classChartArc.bind(i),o=i.classArcs.bind(i),s=i.classFocus.bind(i);(e=n.select("."+r.chartArcs).selectAll("."+r.chartArc).data(i.pie(t)).attr("class",function(t){return a(t)+s(t.data)}).enter().append("g").attr("class",a)).append("g").attr("class",o),e.append("text").attr("dy",i.hasType("gauge")?"-.1em":".35em").style("opacity",0).style("text-anchor","middle").style("pointer-events","none")},C.initArc=function(){var t=this;t.arcs=t.main.select("."+r.chart).append("g").attr("class",r.chartArcs).attr("transform",t.getTranslate("arc")),t.arcs.append("text").attr("class",r.chartArcsTitle).style("text-anchor","middle").text(t.getArcTitle())},C.redrawArc=function(t,e,i){var n,a=this,o=a.d3,s=a.config,c=a.main;(n=c.selectAll("."+r.arcs).selectAll("."+r.arc).data(a.arcData.bind(a))).enter().append("path").attr("class",a.classArc.bind(a)).style("fill",function(t){return a.color(t.data)}).style("cursor",function(t){return s.interaction_enabled&&s.data_selection_isselectable(t)?"pointer":null}).each(function(t){a.isGaugeType(t.data)&&(t.startAngle=t.endAngle=s.gauge_startingAngle),this._current=t}).merge(n).attr("transform",function(t){return!a.isGaugeType(t.data)&&i?"scale(0)":""}).on("mouseover",s.interaction_enabled?function(t){var e,i;a.transiting||(e=a.updateAngle(t))&&(i=a.convertToArcData(e),a.expandArc(e.data.id),a.api.focus(e.data.id),a.toggleFocusLegend(e.data.id,!0),a.config.data_onmouseover(i,this))}:null).on("mousemove",s.interaction_enabled?function(t){var e,i=a.updateAngle(t);i&&(e=[a.convertToArcData(i)],a.showTooltip(e,this))}:null).on("mouseout",s.interaction_enabled?function(t){var e,i;a.transiting||(e=a.updateAngle(t))&&(i=a.convertToArcData(e),a.unexpandArc(e.data.id),a.api.revert(),a.revertLegend(),a.hideTooltip(),a.config.data_onmouseout(i,this))}:null).on("click",s.interaction_enabled?function(t,e){var i,n=a.updateAngle(t);n&&(i=a.convertToArcData(n),a.toggleShape&&a.toggleShape(this,i,e),a.config.data_onclick.call(a.api,i,this))}:null).each(function(){a.transiting=!0}).transition().duration(t).attrTween("d",function(t){var e,i=a.updateAngle(t);return i?(isNaN(this._current.startAngle)&&(this._current.startAngle=0),isNaN(this._current.endAngle)&&(this._current.endAngle=this._current.startAngle),e=o.interpolate(this._current,i),this._current=e(0),function(i){var n=e(i);return n.data=t.data,a.getArc(n,!0)}):function(){return"M 0 0"}}).attr("transform",i?"scale(1)":"").style("fill",function(t){return a.levelColor?a.levelColor(t.data.values[0].value):a.color(t.data.id)}).call(a.endall,function(){a.transiting=!1}),n.exit().transition().duration(e).style("opacity",0).remove(),c.selectAll("."+r.chartArc).select("text").style("opacity",0).attr("class",function(t){return a.isGaugeType(t.data)?r.gaugeValue:""}).text(a.textForArcLabel.bind(a)).attr("transform",a.transformForArcLabel.bind(a)).style("font-size",function(t){return a.isGaugeType(t.data)?Math.round(a.radius/5)+"px":""}).transition().duration(t).style("opacity",function(t){return a.isTargetToShow(t.data.id)&&a.isArcType(t.data)?1:0}),c.select("."+r.chartArcsTitle).style("opacity",a.hasType("donut")||a.hasType("gauge")?1:0),a.hasType("gauge")&&(a.arcs.select("."+r.chartArcsBackground).attr("d",function(){var t={data:[{value:s.gauge_max}],startAngle:s.gauge_startingAngle,endAngle:-1*s.gauge_startingAngle};return 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t=this.arcs;this.hasType("gauge")&&(t.append("path").attr("class",r.chartArcsBackground),t.append("text").attr("class",r.chartArcsGaugeUnit).style("text-anchor","middle").style("pointer-events","none"),t.append("text").attr("class",r.chartArcsGaugeMin).style("text-anchor","middle").style("pointer-events","none"),t.append("text").attr("class",r.chartArcsGaugeMax).style("text-anchor","middle").style("pointer-events","none"))},C.getGaugeLabelHeight=function(){return this.config.gauge_label_show?20:0},C.hasCaches=function(t){for(var e=0;e<t.length;e++)if(!(t[e]in this.cache))return!1;return!0},C.addCache=function(t,e){this.cache[t]=this.cloneTarget(e)},C.getCaches=function(t){var e,i=[];for(e=0;e<t.length;e++)t[e]in this.cache&&i.push(this.cloneTarget(this.cache[t[e]]));return i},C.categoryName=function(t){var e=this.config;return t<e.axis_x_categories.length?e.axis_x_categories[t]:t},C.generateClass=function(t,e){return" "+t+" 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t.position?t.position:"end"},C.gridTextDx=function(t){return"start"===t.position?4:"middle"===t.position?0:-4},C.xGridTextX=function(t){return"start"===t.position?-this.height:"middle"===t.position?-this.height/2:0},C.yGridTextX=function(t){return"start"===t.position?0:"middle"===t.position?this.width/2:this.width},C.updateGrid=function(t){var e,i,n,a,o=this,s=o.main,c=o.config,d=o.xv.bind(o),u=o.yv.bind(o),l=o.xGridTextX.bind(o),h=o.yGridTextX.bind(o);o.grid.style("visibility",o.hasArcType()?"hidden":"visible"),s.select("line."+r.xgridFocus).style("visibility","hidden"),c.grid_x_show&&o.updateXGrid(),(i=(e=s.select("."+r.xgridLines).selectAll("."+r.xgridLine).data(c.grid_x_lines)).enter().append("g").attr("class",function(t){return r.xgridLine+(t.class?" 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i=this,n=i.config,a=i.xv.bind(i),r=i.xgridLines.select("line"),o=i.xgridLines.select("text");return[(t?r.transition(e):r).attr("x1",n.axis_rotated?0:a).attr("x2",n.axis_rotated?i.width:a).attr("y1",n.axis_rotated?a:0).attr("y2",n.axis_rotated?a:i.height).style("opacity",1),(t?o.transition(e):o).attr("x",n.axis_rotated?i.yGridTextX.bind(i):i.xGridTextX.bind(i)).attr("y",a).text(function(t){return t.text}).style("opacity",1)]},C.showXGridFocus=function(t){var e=this,i=e.config,n=t.filter(function(t){return t&&u(t.value)}),a=e.main.selectAll("line."+r.xgridFocus),o=e.xx.bind(e);i.tooltip_show&&(e.hasType("scatter")||e.hasArcType()||(a.style("visibility","visible").data([n[0]]).attr(i.axis_rotated?"y1":"x1",o).attr(i.axis_rotated?"y2":"x2",o),e.smoothLines(a,"grid")))},C.hideXGridFocus=function(){this.main.select("line."+r.xgridFocus).style("visibility","hidden")},C.updateXgridFocus=function(){var t=this,e=t.config;t.main.select("line."+r.xgridFocus).attr("x1",e.axis_rotated?0:-10).attr("x2",e.axis_rotated?t.width:-10).attr("y1",e.axis_rotated?-10:0).attr("y2",e.axis_rotated?-10:t.height)},C.generateGridData=function(t,e){var i,n,a,o,s=this,c=[],d=s.main.select("."+r.axisX).selectAll(".tick").size();if("year"===t)for(n=(i=s.getXDomain())[0].getFullYear(),a=i[1].getFullYear(),o=n;o<=a;o++)c.push(new Date(o+"-01-01 00:00:00"));else(c=e.ticks(10)).length>d&&(c=c.filter(function(t){return(""+t).indexOf(".")<0}));return c},C.getGridFilterToRemove=function(t){return t?function(e){var i=!1;return[].concat(t).forEach(function(t){("value"in t&&e.value===t.value||"class"in t&&e.class===t.class)&&(i=!0)}),i}:function(){return!0}},C.removeGridLines=function(t,e){var i=this,n=i.config,a=i.getGridFilterToRemove(t),o=function(t){return!a(t)},s=e?r.xgridLines:r.ygridLines,c=e?r.xgridLine:r.ygridLine;i.main.select("."+s).selectAll("."+c).filter(a).transition().duration(n.transition_duration).style("opacity",0).remove(),e?n.grid_x_lines=n.grid_x_lines.filter(o):n.grid_y_lines=n.grid_y_lines.filter(o)},C.initEventRect=function(){var t=this,e=t.config;t.main.select("."+r.chart).append("g").attr("class",r.eventRects).style("fill-opacity",0),t.eventRect=t.main.select("."+r.eventRects).append("rect").attr("class",r.eventRect),e.zoom_enabled&&t.zoom&&(t.eventRect.call(t.zoom).on("dblclick.zoom",null),e.zoom_initialRange&&t.eventRect.transition().duration(0).call(t.zoom.transform,t.zoomTransform(e.zoom_initialRange)))},C.redrawEventRect=function(){function t(){n.svg.select("."+r.eventRect).style("cursor",null),n.hideXGridFocus(),n.hideTooltip(),n.unexpandCircles(),n.unexpandBars()}var 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t,e,i;n.hasArcType(t)||(t=n.filterTargetsToShow(n.data.targets),e=a.mouse(this),(i=n.findClosestFromTargets(t,e))&&(n.isBarType(i.id)||n.dist(i,e)<o.point_sensitivity)&&(n.isScatterType(i)||!o.data_selection_grouped?[i]:n.filterByX(t,i.x)).forEach(function(t){n.main.selectAll("."+r.shapes+n.getTargetSelectorSuffix(t.id)).selectAll("."+r.shape+"-"+t.index).each(function(){(o.data_selection_grouped||n.isWithinShape(this,t))&&(n.toggleShape(this,t,t.index),o.data_onclick.call(n.api,t,this))})}))}:null).call(o.interaction_enabled&&o.data_selection_draggable&&n.drag?a.drag().on("drag",function(){n.drag(a.mouse(this))}).on("start",function(){n.dragstart(a.mouse(this))}).on("end",function(){n.dragend()}):function(){})},C.getMousePosition=function(t){var e=this;return[e.x(t.x),e.getYScale(t.id)(t.value)]},C.dispatchEvent=function(t,e){var i=this,n="."+r.eventRect,a=i.main.select(n).node(),o=a.getBoundingClientRect(),s=o.left+(e?e[0]:0),c=o.top+(e?e[1]:0),d=document.createEvent("MouseEvents");d.initMouseEvent(t,!0,!0,window,0,s,c,s,c,!1,!1,!1,!1,0,null),a.dispatchEvent(d)},C.initLegend=function(){var t=this;if(t.legendItemTextBox={},t.legendHasRendered=!1,t.legend=t.svg.append("g").attr("transform",t.getTranslate("legend")),!t.config.legend_show)return t.legend.style("visibility","hidden"),void(t.hiddenLegendIds=t.mapToIds(t.data.targets));t.updateLegendWithDefaults()},C.updateLegendWithDefaults=function(){var t=this;t.updateLegend(t.mapToIds(t.data.targets),{withTransform:!1,withTransitionForTransform:!1,withTransition:!1})},C.updateSizeForLegend=function(t,e){var i=this,n=i.config,a={top:i.isLegendTop?i.getCurrentPaddingTop()+n.legend_inset_y+5.5:i.currentHeight-t-i.getCurrentPaddingBottom()-n.legend_inset_y,left:i.isLegendLeft?i.getCurrentPaddingLeft()+n.legend_inset_x+.5:i.currentWidth-e-i.getCurrentPaddingRight()-n.legend_inset_x+.5};i.margin3={top:i.isLegendRight?0:i.isLegendInset?a.top:i.currentHeight-t,right:NaN,bottom:0,left:i.isLegendRight?i.currentWidth-e:i.isLegendInset?a.left:0}},C.transformLegend=function(t){var e=this;(t?e.legend.transition():e.legend).attr("transform",e.getTranslate("legend"))},C.updateLegendStep=function(t){this.legendStep=t},C.updateLegendItemWidth=function(t){this.legendItemWidth=t},C.updateLegendItemHeight=function(t){this.legendItemHeight=t},C.getLegendWidth=function(){var t=this;return t.config.legend_show?t.isLegendRight||t.isLegendInset?t.legendItemWidth*(t.legendStep+1):t.currentWidth:0},C.getLegendHeight=function(){var t=this,e=0;return t.config.legend_show&&(e=t.isLegendRight?t.currentHeight:Math.max(20,t.legendItemHeight)*(t.legendStep+1)),e},C.opacityForLegend=function(t){return t.classed(r.legendItemHidden)?null:1},C.opacityForUnfocusedLegend=function(t){return t.classed(r.legendItemHidden)?null:.3},C.toggleFocusLegend=function(t,e){var i=this;t=i.mapToTargetIds(t),i.legend.selectAll("."+r.legendItem).filter(function(e){return t.indexOf(e)>=0}).classed(r.legendItemFocused,e).transition().duration(100).style("opacity",function(){return(e?i.opacityForLegend:i.opacityForUnfocusedLegend).call(i,i.d3.select(this))})},C.revertLegend=function(){var t=this,e=t.d3;t.legend.selectAll("."+r.legendItem).classed(r.legendItemFocused,!1).transition().duration(100).style("opacity",function(){return t.opacityForLegend(e.select(this))})},C.showLegend=function(t){var e=this,i=e.config;i.legend_show||(i.legend_show=!0,e.legend.style("visibility","visible"),e.legendHasRendered||e.updateLegendWithDefaults()),e.removeHiddenLegendIds(t),e.legend.selectAll(e.selectorLegends(t)).style("visibility","visible").transition().style("opacity",function(){return e.opacityForLegend(e.d3.select(this))})},C.hideLegend=function(t){var e=this,i=e.config;i.legend_show&&m(t)&&(i.legend_show=!1,e.legend.style("visibility","hidden")),e.addHiddenLegendIds(t),e.legend.selectAll(e.selectorLegends(t)).style("opacity",0).style("visibility","hidden")},C.clearLegendItemTextBoxCache=function(){this.legendItemTextBox={}},C.updateLegend=function(t,e,i){function n(t,e){return T.legendItemTextBox[e]||(T.legendItemTextBox[e]=T.getTextRect(t.textContent,r.legendItem,t)),T.legendItemTextBox[e]}function a(e,i,a){function r(t,e){e||(o=(f-O-g)/2)<G&&(o=(f-g)/2,O=0,X++),F[t]=X,D[X]=T.isLegendInset?10:o,I[t]=O,O+=g}var 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a,r=this,o=r.getScale(t,e,r.isTimeSeries()),s=i?o.domain(i):o;r.isCategorized()?(n=n||function(){return 0},o=function(t,e){var i=s(t)+n(t);return e?i:Math.ceil(i)}):o=function(t,e){var i=s(t);return e?i:Math.ceil(i)};for(a in s)o[a]=s[a];return o.orgDomain=function(){return s.domain()},r.isCategorized()&&(o.domain=function(t){return arguments.length?(s.domain(t),o):(t=this.orgDomain(),[t[0],t[1]+1])}),o},C.getY=function(t,e,i){var n=this.getScale(t,e,this.isTimeSeriesY());return i&&n.domain(i),n},C.getYScale=function(t){return"y2"===this.axis.getId(t)?this.y2:this.y},C.getSubYScale=function(t){return"y2"===this.axis.getId(t)?this.subY2:this.subY},C.updateScales=function(){var t=this,e=t.config,i=!t.x;t.xMin=e.axis_rotated?1:0,t.xMax=e.axis_rotated?t.height:t.width,t.yMin=e.axis_rotated?0:t.height,t.yMax=e.axis_rotated?t.width:1,t.subXMin=t.xMin,t.subXMax=t.xMax,t.subYMin=e.axis_rotated?0:t.height2,t.subYMax=e.axis_rotated?t.width2:1,t.x=t.getX(t.xMin,t.xMax,i?void 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e%1?0:t.subXAxis.tickOffset()}),t.subY=t.getY(t.subYMin,t.subYMax,i?e.axis_y_default:t.subY.domain()),t.subY2=t.getY(t.subYMin,t.subYMax,i?e.axis_y2_default:t.subY2.domain()),t.xAxisTickFormat=t.axis.getXAxisTickFormat(),t.xAxisTickValues=t.axis.getXAxisTickValues(),t.yAxisTickValues=t.axis.getYAxisTickValues(),t.y2AxisTickValues=t.axis.getY2AxisTickValues(),t.xAxis=t.axis.getXAxis(t.x,t.xOrient,t.xAxisTickFormat,t.xAxisTickValues,e.axis_x_tick_outer),t.subXAxis=t.axis.getXAxis(t.subX,t.subXOrient,t.xAxisTickFormat,t.xAxisTickValues,e.axis_x_tick_outer),t.yAxis=t.axis.getYAxis(t.y,t.yOrient,e.axis_y_tick_format,t.yAxisTickValues,e.axis_y_tick_outer),t.y2Axis=t.axis.getYAxis(t.y2,t.y2Orient,e.axis_y2_tick_format,t.y2AxisTickValues,e.axis_y2_tick_outer),i||t.brush&&t.brush.updateScale(t.subX),t.updateArc&&t.updateArc()},C.selectPoint=function(t,e,i){var n=this,a=n.config,o=(a.axis_rotated?n.circleY:n.circleX).bind(n),s=(a.axis_rotated?n.circleX:n.circleY).bind(n),c=n.pointSelectR.bind(n);a.data_onselected.call(n.api,e,t.node()),n.main.select("."+r.selectedCircles+n.getTargetSelectorSuffix(e.id)).selectAll("."+r.selectedCircle+"-"+i).data([e]).enter().append("circle").attr("class",function(){return n.generateClass(r.selectedCircle,i)}).attr("cx",o).attr("cy",s).attr("stroke",function(){return n.color(e)}).attr("r",function(t){return 1.4*n.pointSelectR(t)}).transition().duration(100).attr("r",c)},C.unselectPoint=function(t,e,i){var n=this;n.config.data_onunselected.call(n.api,e,t.node()),n.main.select("."+r.selectedCircles+n.getTargetSelectorSuffix(e.id)).selectAll("."+r.selectedCircle+"-"+i).transition().duration(100).attr("r",0).remove()},C.togglePoint=function(t,e,i,n){t?this.selectPoint(e,i,n):this.unselectPoint(e,i,n)},C.selectPath=function(t,e){var i=this;i.config.data_onselected.call(i,e,t.node()),i.config.interaction_brighten&&t.transition().duration(100).style("fill",function(){return i.d3.rgb(i.color(e)).brighter(.75)})},C.unselectPath=function(t,e){var i=this;i.config.data_onunselected.call(i,e,t.node()),i.config.interaction_brighten&&t.transition().duration(100).style("fill",function(){return i.color(e)})},C.togglePath=function(t,e,i,n){t?this.selectPath(e,i,n):this.unselectPath(e,i,n)},C.getToggle=function(t,e){var i,n=this;return"circle"===t.nodeName?i=n.isStepType(e)?function(){}:n.togglePoint:"path"===t.nodeName&&(i=n.togglePath),i},C.toggleShape=function(t,e,i){var n=this,a=n.d3,o=n.config,s=a.select(t),c=s.classed(r.SELECTED),d=n.getToggle(t,e).bind(n);o.data_selection_enabled&&o.data_selection_isselectable(e)&&(o.data_selection_multiple||n.main.selectAll("."+r.shapes+(o.data_selection_grouped?n.getTargetSelectorSuffix(e.id):"")).selectAll("."+r.shape).each(function(t,e){var i=a.select(this);i.classed(r.SELECTED)&&d(!1,i.classed(r.SELECTED,!1),t,e)}),s.classed(r.SELECTED,!c),d(!c,s,e,i))},C.initBar=function(){this.main.select("."+r.chart).append("g").attr("class",r.chartBars)},C.updateTargetsForBar=function(t){var e=this,i=e.config,n=e.classChartBar.bind(e),a=e.classBars.bind(e),o=e.classFocus.bind(e);e.main.select("."+r.chartBars).selectAll("."+r.chartBar).data(t).attr("class",function(t){return n(t)+o(t)}).enter().append("g").attr("class",n).style("pointer-events","none").append("g").attr("class",a).style("cursor",function(t){return i.data_selection_isselectable(t)?"pointer":null})},C.updateBar=function(t){var e=this,i=e.barData.bind(e),n=e.classBar.bind(e),a=e.initialOpacity.bind(e),o=function(t){return e.color(t.id)},s=e.main.selectAll("."+r.bars).selectAll("."+r.bar).data(i),c=s.enter().append("path").attr("class",n).style("stroke",o).style("fill",o);e.mainBar=c.merge(s).style("opacity",a),s.exit().transition().duration(t).style("opacity",0)},C.redrawBar=function(t,e,i){return[(e?this.mainBar.transition(i):this.mainBar).attr("d",t).style("stroke",this.color).style("fill",this.color).style("opacity",1)]},C.getBarW=function(t,e){var i=this.config,n="number"==typeof i.bar_width?i.bar_width:e?t.tickInterval()*i.bar_width_ratio/e:0;return i.bar_width_max&&n>i.bar_width_max?i.bar_width_max:n},C.getBars=function(t,e){var i=this;return(e?i.main.selectAll("."+r.bars+i.getTargetSelectorSuffix(e)):i.main).selectAll("."+r.bar+(u(t)?"-"+t:""))},C.expandBars=function(t,e,i){var n=this;i&&n.unexpandBars(),n.getBars(t,e).classed(r.EXPANDED,!0)},C.unexpandBars=function(t){this.getBars(t).classed(r.EXPANDED,!1)},C.generateDrawBar=function(t,e){var i=this,n=i.config,a=i.generateGetBarPoints(t,e);return function(t,e){var i=a(t,e),r=n.axis_rotated?1:0,o=n.axis_rotated?0:1;return"M "+i[0][r]+","+i[0][o]+" L"+i[1][r]+","+i[1][o]+" L"+i[2][r]+","+i[2][o]+" L"+i[3][r]+","+i[3][o]+" z"}},C.generateGetBarPoints=function(t,e){var i=this,n=e?i.subXAxis:i.xAxis,a=t.__max__+1,r=i.getBarW(n,a),o=i.getShapeX(r,a,t,!!e),s=i.getShapeY(!!e),c=i.getShapeOffset(i.isBarType,t,!!e),d=r*(i.config.bar_space/2),u=e?i.getSubYScale:i.getYScale;return function(t,e){var n=u.call(i,t.id)(0),a=c(t,e)||n,l=o(t),h=s(t);return i.config.axis_rotated&&(0<t.value&&h<n||t.value<0&&n<h)&&(h=n),[[l+d,a],[l+d,h-(n-a)],[l+r-d,h-(n-a)],[l+r-d,a]]}},C.isWithinBar=function(t,e){var i=e.getBoundingClientRect(),n=e.pathSegList.getItem(0),a=e.pathSegList.getItem(1),r=Math.min(n.x,a.x),o=Math.min(n.y,a.y),s=r+i.width+2,c=o+i.height+2,d=o-2;return r-2<t[0]&&t[0]<s&&d<t[1]&&t[1]<c},C.getShapeIndices=function(t){var e,i,n=this,a=n.config,r={},o=0;return n.filterTargetsToShow(n.data.targets.filter(t,n)).forEach(function(t){for(e=0;e<a.data_groups.length;e++)if(!(a.data_groups[e].indexOf(t.id)<0))for(i=0;i<a.data_groups[e].length;i++)if(a.data_groups[e][i]in r){r[t.id]=r[a.data_groups[e][i]];break}f(r[t.id])&&(r[t.id]=o++)}),r.__max__=o-1,r},C.getShapeX=function(t,e,i,n){var a=this,r=n?a.subX:a.x;return function(n){var a=n.id in i?i[n.id]:0;return n.x||0===n.x?r(n.x)-t*(e/2-a):0}},C.getShapeY=function(t){var e=this;return function(i){return(t?e.getSubYScale(i.id):e.getYScale(i.id))(i.value)}},C.getShapeOffset=function(t,e,i){var n=this,a=n.orderTargets(n.filterTargetsToShow(n.data.targets.filter(t,n))),r=a.map(function(t){return t.id});return function(t,o){var s=i?n.getSubYScale(t.id):n.getYScale(t.id),c=s(0),d=c;return a.forEach(function(i){var a=n.isStepType(t)?n.convertValuesToStep(i.values):i.values;i.id!==t.id&&e[i.id]===e[t.id]&&r.indexOf(i.id)<r.indexOf(t.id)&&(void 0!==a[o]&&+a[o].x==+t.x||(o=-1,a.forEach(function(e,i){e.x===t.x&&(o=i)})),o in a&&a[o].value*t.value>=0&&(d+=s(a[o].value)-c))}),d}},C.isWithinShape=function(t,e){var i,n=this,a=n.d3.select(t);return n.isTargetToShow(e.id)?"circle"===t.nodeName?i=n.isStepType(e)?n.isWithinStep(t,n.getYScale(e.id)(e.value)):n.isWithinCircle(t,1.5*n.pointSelectR(e)):"path"===t.nodeName&&(i=!a.classed(r.bar)||n.isWithinBar(n.d3.mouse(t),t)):i=!1,i},C.getInterpolate=function(t){var e=this,i=e.d3,n={linear:i.curveLinear,"linear-closed":i.curveLinearClosed,basis:i.curveBasis,"basis-open":i.curveBasisOpen,"basis-closed":i.curveBasisClosed,bundle:i.curveBundle,cardinal:i.curveCardinal,"cardinal-open":i.curveCardinalOpen,"cardinal-closed":i.curveCardinalClosed,monotone:i.curveMonotoneX,step:i.curveStep};return e.isSplineType(t)?n[e.config.spline_interpolation_type]||n.cardinal:e.isStepType(t)?n[e.config.line_step_type]:n.linear},C.initLine=function(){this.main.select("."+r.chart).append("g").attr("class",r.chartLines)},C.updateTargetsForLine=function(t){var e,i=this,n=i.config,a=i.classChartLine.bind(i),o=i.classLines.bind(i),s=i.classAreas.bind(i),c=i.classCircles.bind(i),d=i.classFocus.bind(i);(e=i.main.select("."+r.chartLines).selectAll("."+r.chartLine).data(t).attr("class",function(t){return a(t)+d(t)}).enter().append("g").attr("class",a).style("opacity",0).style("pointer-events","none")).append("g").attr("class",o),e.append("g").attr("class",s),e.append("g").attr("class",function(t){return i.generateClass(r.selectedCircles,t.id)}),e.append("g").attr("class",c).style("cursor",function(t){return n.data_selection_isselectable(t)?"pointer":null}),t.forEach(function(t){i.main.selectAll("."+r.selectedCircles+i.getTargetSelectorSuffix(t.id)).selectAll("."+r.selectedCircle).each(function(e){e.value=t.values[e.index].value})})},C.updateLine=function(t){var e=this,i=e.main.selectAll("."+r.lines).selectAll("."+r.line).data(e.lineData.bind(e)),n=i.enter().append("path").attr("class",e.classLine.bind(e)).style("stroke",e.color);e.mainLine=n.merge(i).style("opacity",e.initialOpacity.bind(e)).style("shape-rendering",function(t){return e.isStepType(t)?"crispEdges":""}).attr("transform",null),i.exit().transition().duration(t).style("opacity",0)},C.redrawLine=function(t,e,i){return[(e?this.mainLine.transition(i):this.mainLine).attr("d",t).style("stroke",this.color).style("opacity",1)]},C.generateDrawLine=function(t,e){var i=this,n=i.config,a=i.d3.line(),r=i.generateGetLinePoints(t,e),o=e?i.getSubYScale:i.getYScale,s=function(t){return(e?i.subxx:i.xx).call(i,t)},c=function(t,e){return n.data_groups.length>0?r(t,e)[0][1]:o.call(i,t.id)(t.value)};return a=n.axis_rotated?a.x(c).y(s):a.x(s).y(c),n.line_connectNull||(a=a.defined(function(t){return null!=t.value})),function(t){var r,s=n.line_connectNull?i.filterRemoveNull(t.values):t.values,c=e?i.x:i.subX,d=o.call(i,t.id),u=0,l=0;return i.isLineType(t)?n.data_regions[t.id]?r=i.lineWithRegions(s,c,d,n.data_regions[t.id]):(i.isStepType(t)&&(s=i.convertValuesToStep(s)),r=a.curve(i.getInterpolate(t))(s)):(s[0]&&(u=c(s[0].x),l=d(s[0].value)),r=n.axis_rotated?"M "+l+" "+u:"M "+u+" "+l),r||"M 0 0"}},C.generateGetLinePoints=function(t,e){var i=this,n=i.config,a=t.__max__+1,r=i.getShapeX(0,a,t,!!e),o=i.getShapeY(!!e),s=i.getShapeOffset(i.isLineType,t,!!e),c=e?i.getSubYScale:i.getYScale;return function(t,e){var a=c.call(i,t.id)(0),d=s(t,e)||a,u=r(t),l=o(t);return n.axis_rotated&&(0<t.value&&l<a||t.value<0&&a<l)&&(l=a),[[u,l-(a-d)],[u,l-(a-d)],[u,l-(a-d)],[u,l-(a-d)]]}},C.lineWithRegions=function(t,e,i,n){function a(t){return"M"+t[0][0]+" "+t[0][1]+" "+t[1][0]+" "+t[1][1]}var r,o,s,c,d,u,l,h,g,_,x,y=this,m=y.config,S="M",w=y.isCategorized()?.5:0,v=[];if(p(n))for(r=0;r<n.length;r++)v[r]={},f(n[r].start)?v[r].start=t[0].x:v[r].start=y.isTimeSeries()?y.parseDate(n[r].start):n[r].start,f(n[r].end)?v[r].end=t[t.length-1].x:v[r].end=y.isTimeSeries()?y.parseDate(n[r].end):n[r].end;for(_=m.axis_rotated?function(t){return i(t.value)}:function(t){return e(t.x)},x=m.axis_rotated?function(t){return e(t.x)}:function(t){return i(t.value)},s=y.isTimeSeries()?function(t,n,r,o){var s,c=t.x.getTime(),u=n.x-t.x,l=new Date(c+u*r),h=new Date(c+u*(r+o));return s=m.axis_rotated?[[i(d(r)),e(l)],[i(d(r+o)),e(h)]]:[[e(l),i(d(r))],[e(h),i(d(r+o))]],a(s)}:function(t,n,r,o){var s;return s=m.axis_rotated?[[i(d(r),!0),e(c(r))],[i(d(r+o),!0),e(c(r+o))]]:[[e(c(r),!0),i(d(r))],[e(c(r+o),!0),i(d(r+o))]],a(s)},r=0;r<t.length;r++){if(f(v)||!function(t,e){var i;for(i=0;i<e.length;i++)if(e[i].start<t&&t<=e[i].end)return!0;return!1}(t[r].x,v))S+=" "+_(t[r])+" "+x(t[r]);else for(c=y.getScale(t[r-1].x+w,t[r].x+w,y.isTimeSeries()),d=y.getScale(t[r-1].value,t[r].value),u=e(t[r].x)-e(t[r-1].x),l=i(t[r].value)-i(t[r-1].value),g=2*(h=2/Math.sqrt(Math.pow(u,2)+Math.pow(l,2))),o=h;o<=1;o+=g)S+=s(t[r-1],t[r],o,h);t[r].x}return S},C.updateArea=function(t){var e=this,i=e.d3,n=e.main.selectAll("."+r.areas).selectAll("."+r.area).data(e.lineData.bind(e)),a=n.enter().append("path").attr("class",e.classArea.bind(e)).style("fill",e.color).style("opacity",function(){return e.orgAreaOpacity=+i.select(this).style("opacity"),0});e.mainArea=a.merge(n).style("opacity",e.orgAreaOpacity),n.exit().transition().duration(t).style("opacity",0)},C.redrawArea=function(t,e,i){return[(e?this.mainArea.transition(i):this.mainArea).attr("d",t).style("fill",this.color).style("opacity",this.orgAreaOpacity)]},C.generateDrawArea=function(t,e){var i=this,n=i.config,a=i.d3.area(),r=i.generateGetAreaPoints(t,e),o=e?i.getSubYScale:i.getYScale,s=function(t){return(e?i.subxx:i.xx).call(i,t)},c=function(t,e){return n.data_groups.length>0?r(t,e)[0][1]:o.call(i,t.id)(i.getAreaBaseValue(t.id))},d=function(t,e){return n.data_groups.length>0?r(t,e)[1][1]:o.call(i,t.id)(t.value)};return a=n.axis_rotated?a.x0(c).x1(d).y(s):a.x(s).y0(n.area_above?0:c).y1(d),n.line_connectNull||(a=a.defined(function(t){return null!==t.value})),function(t){var e,r=n.line_connectNull?i.filterRemoveNull(t.values):t.values,o=0,s=0;return i.isAreaType(t)?(i.isStepType(t)&&(r=i.convertValuesToStep(r)),e=a.curve(i.getInterpolate(t))(r)):(r[0]&&(o=i.x(r[0].x),s=i.getYScale(t.id)(r[0].value)),e=n.axis_rotated?"M "+s+" "+o:"M "+o+" "+s),e||"M 0 0"}},C.getAreaBaseValue=function(){return 0},C.generateGetAreaPoints=function(t,e){var i=this,n=i.config,a=t.__max__+1,r=i.getShapeX(0,a,t,!!e),o=i.getShapeY(!!e),s=i.getShapeOffset(i.isAreaType,t,!!e),c=e?i.getSubYScale:i.getYScale;return function(t,e){var a=c.call(i,t.id)(0),d=s(t,e)||a,u=r(t),l=o(t);return n.axis_rotated&&(0<t.value&&l<a||t.value<0&&a<l)&&(l=a),[[u,d],[u,l-(a-d)],[u,l-(a-d)],[u,d]]}},C.updateCircle=function(t,e){var i=this,n=i.main.selectAll("."+r.circles).selectAll("."+r.circle).data(i.lineOrScatterData.bind(i)),a=n.enter().append("circle").attr("class",i.classCircle.bind(i)).attr("cx",t).attr("cy",e).attr("r",i.pointR.bind(i)).style("fill",i.color);i.mainCircle=a.merge(n).style("opacity",i.initialOpacityForCircle.bind(i)),n.exit().style("opacity",0)},C.redrawCircle=function(t,e,i,n){var a=this,o=a.main.selectAll("."+r.selectedCircle);return[(i?a.mainCircle.transition(n):a.mainCircle).style("opacity",this.opacityForCircle.bind(a)).style("fill",a.color).attr("cx",t).attr("cy",e),(i?o.transition(n):o).attr("cx",t).attr("cy",e)]},C.circleX=function(t){return t.x||0===t.x?this.x(t.x):null},C.updateCircleY=function(){var t,e,i=this;i.config.data_groups.length>0?(t=i.getShapeIndices(i.isLineType),e=i.generateGetLinePoints(t),i.circleY=function(t,i){return e(t,i)[0][1]}):i.circleY=function(t){return i.getYScale(t.id)(t.value)}},C.getCircles=function(t,e){var i=this;return(e?i.main.selectAll("."+r.circles+i.getTargetSelectorSuffix(e)):i.main).selectAll("."+r.circle+(u(t)?"-"+t:""))},C.expandCircles=function(t,e,i){var n=this,a=n.pointExpandedR.bind(n);i&&n.unexpandCircles(),n.getCircles(t,e).classed(r.EXPANDED,!0).attr("r",a)},C.unexpandCircles=function(t){var e=this,i=e.pointR.bind(e);e.getCircles(t).filter(function(){return e.d3.select(this).classed(r.EXPANDED)}).classed(r.EXPANDED,!1).attr("r",i)},C.pointR=function(t){var e=this,i=e.config;return e.isStepType(t)?0:l(i.point_r)?i.point_r(t):i.point_r},C.pointExpandedR=function(t){var e=this,i=e.config;return i.point_focus_expand_enabled?l(i.point_focus_expand_r)?i.point_focus_expand_r(t):i.point_focus_expand_r?i.point_focus_expand_r:1.75*e.pointR(t):e.pointR(t)},C.pointSelectR=function(t){var e=this,i=e.config;return l(i.point_select_r)?i.point_select_r(t):i.point_select_r?i.point_select_r:4*e.pointR(t)},C.isWithinCircle=function(t,e){var i=this.d3,n=i.mouse(t),a=i.select(t),r=+a.attr("cx"),o=+a.attr("cy");return Math.sqrt(Math.pow(r-n[0],2)+Math.pow(o-n[1],2))<e},C.isWithinStep=function(t,e){return Math.abs(e-this.d3.mouse(t)[1])<30},C.getCurrentWidth=function(){var t=this,e=t.config;return e.size_width?e.size_width:t.getParentWidth()},C.getCurrentHeight=function(){var t=this,e=t.config,i=e.size_height?e.size_height:t.getParentHeight();return i>0?i:320/(t.hasType("gauge")&&!e.gauge_fullCircle?2:1)},C.getCurrentPaddingTop=function(){var t=this,e=t.config,i=u(e.padding_top)?e.padding_top:0;return t.title&&t.title.node()&&(i+=t.getTitlePadding()),i},C.getCurrentPaddingBottom=function(){var t=this.config;return u(t.padding_bottom)?t.padding_bottom:0},C.getCurrentPaddingLeft=function(t){var e=this,i=e.config;return u(i.padding_left)?i.padding_left:i.axis_rotated?i.axis_x_show?Math.max(_(e.getAxisWidthByAxisId("x",t)),40):1:!i.axis_y_show||i.axis_y_inner?e.axis.getYAxisLabelPosition().isOuter?30:1:_(e.getAxisWidthByAxisId("y",t))},C.getCurrentPaddingRight=function(){var t=this,e=t.config,i=t.isLegendRight?t.getLegendWidth()+20:0;return u(e.padding_right)?e.padding_right+1:e.axis_rotated?10+i:!e.axis_y2_show||e.axis_y2_inner?2+i+(t.axis.getY2AxisLabelPosition().isOuter?20:0):_(t.getAxisWidthByAxisId("y2"))+i},C.getParentRectValue=function(t){for(var e,i=this.selectChart.node();i&&"BODY"!==i.tagName;){try{e=i.getBoundingClientRect()[t]}catch(n){"width"===t&&(e=i.offsetWidth)}if(e)break;i=i.parentNode}return e},C.getParentWidth=function(){return this.getParentRectValue("width")},C.getParentHeight=function(){var t=this.selectChart.style("height");return t.indexOf("px")>0?+t.replace("px",""):0},C.getSvgLeft=function(t){var e=this,i=e.config,n=i.axis_rotated||!i.axis_rotated&&!i.axis_y_inner,a=i.axis_rotated?r.axisX:r.axisY,o=e.main.select("."+a).node(),s=o&&n?o.getBoundingClientRect():{right:0},c=e.selectChart.node().getBoundingClientRect(),d=e.hasArcType(),u=s.right-c.left-(d?0:e.getCurrentPaddingLeft(t));return u>0?u:0},C.getAxisWidthByAxisId=function(t,e){var i=this,n=i.axis.getLabelPositionById(t);return i.axis.getMaxTickWidth(t,e)+(n.isInner?20:40)},C.getHorizontalAxisHeight=function(t){var e=this,i=e.config,n=30;return"x"!==t||i.axis_x_show?"x"===t&&i.axis_x_height?i.axis_x_height:"y"!==t||i.axis_y_show?"y2"!==t||i.axis_y2_show?("x"===t&&!i.axis_rotated&&i.axis_x_tick_rotate&&(n=30+e.axis.getMaxTickWidth(t)*Math.cos(Math.PI*(90-i.axis_x_tick_rotate)/180)),"y"===t&&i.axis_rotated&&i.axis_y_tick_rotate&&(n=30+e.axis.getMaxTickWidth(t)*Math.cos(Math.PI*(90-i.axis_y_tick_rotate)/180)),n+(e.axis.getLabelPositionById(t).isInner?0:10)+("y2"===t?-10:0)):e.rotated_padding_top:!i.legend_show||e.isLegendRight||e.isLegendInset?1:10:8},C.initBrush=function(t){var e=this,i=e.d3;return e.brush=(e.config.axis_rotated?i.brushY():i.brushX()).on("brush",function(){var t=i.event.sourceEvent;t&&"zoom"===t.type||e.redrawForBrush()}).on("end",function(){var t=i.event.sourceEvent;t&&"zoom"===t.type||e.brush.empty()&&t&&"end"!==t.type&&e.brush.clear()}),e.brush.updateExtent=function(){var t,i=this.scale.range();return t=e.config.axis_rotated?[[0,i[0]],[e.width2,i[1]]]:[[i[0],0],[i[1],e.height2]],this.extent(t),this},e.brush.updateScale=function(t){return this.scale=t,this},e.brush.update=function(t){this.updateScale(t||e.subX).updateExtent(),e.context.select("."+r.brush).call(this)},e.brush.clear=function(){e.context.select("."+r.brush).call(e.brush.move,null)},e.brush.selection=function(){return i.brushSelection(e.context.select("."+r.brush).node())},e.brush.selectionAsValue=function(t){var i;return t?(e.context&&(i=[this.scale(t[0]),this.scale(t[1])],e.brush.move(e.context.select("."+r.brush).transition(),i)),[]):(i=e.brush.selection()||[0,0],[this.scale.invert(i[0]),this.scale.invert(i[1])])},e.brush.empty=function(){var t=e.brush.selection();return!t||t[0]===t[1]},e.brush.updateScale(t)},C.initSubchart=function(){var t=this,e=t.config,i=t.context=t.svg.append("g").attr("transform",t.getTranslate("context")),n=e.subchart_show?"visible":"hidden";i.style("visibility",n),i.append("g").attr("clip-path",t.clipPathForSubchart).attr("class",r.chart),i.select("."+r.chart).append("g").attr("class",r.chartBars),i.select("."+r.chart).append("g").attr("class",r.chartLines),i.append("g").attr("clip-path",t.clipPath).attr("class",r.brush),t.axes.subx=i.append("g").attr("class",r.axisX).attr("transform",t.getTranslate("subx")).attr("clip-path",e.axis_rotated?"":t.clipPathForXAxis)},C.initSubchartBrush=function(){var t=this;t.initBrush(t.subX).updateExtent(),t.context.select("."+r.brush).call(t.brush)},C.updateTargetsForSubchart=function(t){var e,i,n,a,o=this,s=o.context,c=o.config,d=o.classChartBar.bind(o),u=o.classBars.bind(o),l=o.classChartLine.bind(o),h=o.classLines.bind(o),g=o.classAreas.bind(o);c.subchart_show&&((n=(a=s.select("."+r.chartBars).selectAll("."+r.chartBar).data(t)).enter().append("g").style("opacity",0)).merge(a).attr("class",d),n.append("g").attr("class",u),(e=(i=s.select("."+r.chartLines).selectAll("."+r.chartLine).data(t)).enter().append("g").style("opacity",0)).merge(i).attr("class",l),e.append("g").attr("class",h),e.append("g").attr("class",g),s.selectAll("."+r.brush+" rect").attr(c.axis_rotated?"width":"height",c.axis_rotated?o.width2:o.height2))},C.updateBarForSubchart=function(t){var e=this,i=e.context.selectAll("."+r.bars).selectAll("."+r.bar).data(e.barData.bind(e)),n=i.enter().append("path").attr("class",e.classBar.bind(e)).style("stroke","none").style("fill",e.color);i.exit().transition().duration(t).style("opacity",0).remove(),e.contextBar=n.merge(i).style("opacity",e.initialOpacity.bind(e))},C.redrawBarForSubchart=function(t,e,i){(e?this.contextBar.transition(Math.random().toString()).duration(i):this.contextBar).attr("d",t).style("opacity",1)},C.updateLineForSubchart=function(t){var e=this,i=e.context.selectAll("."+r.lines).selectAll("."+r.line).data(e.lineData.bind(e)),n=i.enter().append("path").attr("class",e.classLine.bind(e)).style("stroke",e.color);i.exit().transition().duration(t).style("opacity",0).remove(),e.contextLine=n.merge(i).style("opacity",e.initialOpacity.bind(e))},C.redrawLineForSubchart=function(t,e,i){(e?this.contextLine.transition(Math.random().toString()).duration(i):this.contextLine).attr("d",t).style("opacity",1)},C.updateAreaForSubchart=function(t){var e=this,i=e.d3,n=e.context.selectAll("."+r.areas).selectAll("."+r.area).data(e.lineData.bind(e)),a=n.enter().append("path").attr("class",e.classArea.bind(e)).style("fill",e.color).style("opacity",function(){return e.orgAreaOpacity=+i.select(this).style("opacity"),0});n.exit().transition().duration(t).style("opacity",0).remove(),e.contextArea=a.merge(n).style("opacity",0)},C.redrawAreaForSubchart=function(t,e,i){(e?this.contextArea.transition(Math.random().toString()).duration(i):this.contextArea).attr("d",t).style("fill",this.color).style("opacity",this.orgAreaOpacity)},C.redrawSubchart=function(t,e,i,n,a,r,o){var s,c,d,u=this,l=u.d3,h=u.config;u.context.style("visibility",h.subchart_show?"visible":"hidden"),h.subchart_show&&(l.event&&"zoom"===l.event.type&&u.brush.selectionAsValue(u.x.orgDomain()),t&&(u.brush.empty()||u.brush.selectionAsValue(u.x.orgDomain()),s=u.generateDrawArea(a,!0),c=u.generateDrawBar(r,!0),d=u.generateDrawLine(o,!0),u.updateBarForSubchart(i),u.updateLineForSubchart(i),u.updateAreaForSubchart(i),u.redrawBarForSubchart(c,i,i),u.redrawLineForSubchart(d,i,i),u.redrawAreaForSubchart(s,i,i)))},C.redrawForBrush=function(){var t,e=this,i=e.x,n=e.d3;e.redraw({withTransition:!1,withY:e.config.zoom_rescale,withSubchart:!1,withUpdateXDomain:!0,withEventRect:!1,withDimension:!1}),t=n.event.selection||e.brush.scale.range(),e.main.select("."+r.eventRect).call(e.zoom.transform,n.zoomIdentity.scale(e.width/(t[1]-t[0])).translate(-t[0],0)),e.config.subchart_onbrush.call(e.api,i.orgDomain())},C.transformContext=function(t,e){var i,n=this;e&&e.axisSubX?i=e.axisSubX:(i=n.context.select("."+r.axisX),t&&(i=i.transition())),n.context.attr("transform",n.getTranslate("context")),i.attr("transform",n.getTranslate("subx"))},C.getDefaultSelection=function(){var t=this,e=t.config,i=l(e.axis_x_selection)?e.axis_x_selection(t.getXDomain(t.data.targets)):e.axis_x_selection;return t.isTimeSeries()&&(i=[t.parseDate(i[0]),t.parseDate(i[1])]),i},C.initText=function(){var t=this;t.main.select("."+r.chart).append("g").attr("class",r.chartTexts),t.mainText=t.d3.selectAll([])},C.updateTargetsForText=function(t){var e=this,i=e.classChartText.bind(e),n=e.classTexts.bind(e),a=e.classFocus.bind(e),o=e.main.select("."+r.chartTexts).selectAll("."+r.chartText).data(t),s=o.enter().append("g").attr("class",i).style("opacity",0).style("pointer-events","none");s.append("g").attr("class",n),s.merge(o).attr("class",function(t){return i(t)+a(t)})},C.updateText=function(t,e,i){var n=this,a=n.config,o=n.barOrLineData.bind(n),s=n.classText.bind(n),c=n.main.selectAll("."+r.texts).selectAll("."+r.text).data(o),d=c.enter().append("text").attr("class",s).attr("text-anchor",function(t){return a.axis_rotated?t.value<0?"end":"start":"middle"}).style("stroke","none").attr("x",t).attr("y",e).style("fill",function(t){return n.color(t)}).style("fill-opacity",0);n.mainText=d.merge(c).text(function(t,e,i){return n.dataLabelFormat(t.id)(t.value,t.id,e,i)}),c.exit().transition().duration(i).style("fill-opacity",0).remove()},C.redrawText=function(t,e,i,n,a){return[(n?this.mainText.transition(a):this.mainText).attr("x",t).attr("y",e).style("fill",this.color).style("fill-opacity",i?0:this.opacityForText.bind(this))]},C.getTextRect=function(t,e,i){var n,a=this.d3.select("body").append("div").classed("c3",!0),r=a.append("svg").style("visibility","hidden").style("position","fixed").style("top",0).style("left",0),o=this.d3.select(i).style("font");return r.selectAll(".dummy").data([t]).enter().append("text").classed(e||"",!0).style("font",o).text(t).each(function(){n=this.getBoundingClientRect()}),a.remove(),n},C.generateXYForText=function(t,e,i,n){var a=this,r=a.generateGetAreaPoints(t,!1),o=a.generateGetBarPoints(e,!1),s=a.generateGetLinePoints(i,!1),c=n?a.getXForText:a.getYForText;return function(t,e){var i=a.isAreaType(t)?r:a.isBarType(t)?o:s;return c.call(a,i(t,e),t,this)}},C.getXForText=function(t,e,i){var n,a,r=this,o=i.getBoundingClientRect();return r.config.axis_rotated?(a=r.isBarType(e)?4:6,n=t[2][1]+a*(e.value<0?-1:1)):n=r.hasType("bar")?(t[2][0]+t[0][0])/2:t[0][0],null===e.value&&(n>r.width?n=r.width-o.width:n<0&&(n=4)),n},C.getYForText=function(t,e,i){var n,a=this,r=i.getBoundingClientRect();return a.config.axis_rotated?n=(t[0][0]+t[2][0]+.6*r.height)/2:(n=t[2][1],e.value<0||0===e.value&&!a.hasPositiveValue?(n+=r.height,a.isBarType(e)&&a.isSafari()?n-=3:!a.isBarType(e)&&a.isChrome()&&(n+=3)):n+=a.isBarType(e)?-3:-6),null!==e.value||a.config.axis_rotated||(n<r.height?n=r.height:n>this.height&&(n=this.height-4)),n},C.initTitle=function(){var t=this;t.title=t.svg.append("text").text(t.config.title_text).attr("class",t.CLASS.title)},C.redrawTitle=function(){var t=this;t.title.attr("x",t.xForTitle.bind(t)).attr("y",t.yForTitle.bind(t))},C.xForTitle=function(){var t=this,e=t.config,i=e.title_position||"left";return i.indexOf("right")>=0?t.currentWidth-t.getTextRect(t.title.node().textContent,t.CLASS.title,t.title.node()).width-e.title_padding.right:i.indexOf("center")>=0?(t.currentWidth-t.getTextRect(t.title.node().textContent,t.CLASS.title,t.title.node()).width)/2:e.title_padding.left},C.yForTitle=function(){var t=this;return t.config.title_padding.top+t.getTextRect(t.title.node().textContent,t.CLASS.title,t.title.node()).height},C.getTitlePadding=function(){var t=this;return t.yForTitle()+t.config.title_padding.bottom},C.initTooltip=function(){var t,e=this,i=e.config;if(e.tooltip=e.selectChart.style("position","relative").append("div").attr("class",r.tooltipContainer).style("position","absolute").style("pointer-events","none").style("display","none"),i.tooltip_init_show){if(e.isTimeSeries()&&g(i.tooltip_init_x)){for(i.tooltip_init_x=e.parseDate(i.tooltip_init_x),t=0;t<e.data.targets[0].values.length&&e.data.targets[0].values[t].x-i.tooltip_init_x!=0;t++);i.tooltip_init_x=t}e.tooltip.html(i.tooltip_contents.call(e,e.data.targets.map(function(t){return e.addName(t.values[i.tooltip_init_x])}),e.axis.getXAxisTickFormat(),e.getYFormat(e.hasArcType()),e.color)),e.tooltip.style("top",i.tooltip_init_position.top).style("left",i.tooltip_init_position.left).style("display","block")}},C.getTooltipSortFunction=function(){var t=this,e=t.config;if(0!==e.data_groups.length&&void 0===e.tooltip_order){var i=t.orderTargets(t.data.targets).map(function(t){return t.id});return(t.isOrderAsc()||t.isOrderDesc())&&(i=i.reverse()),function(t,e){return i.indexOf(t.id)-i.indexOf(e.id)}}var n=e.tooltip_order;void 0===n&&(n=e.data_order);var a=function(t){return t?t.value:null};if(g(n)&&"asc"===n.toLowerCase())return function(t,e){return a(t)-a(e)};if(g(n)&&"desc"===n.toLowerCase())return function(t,e){return a(e)-a(t)};if(l(n)){var r=n;return void 0===e.tooltip_order&&(r=function(t,e){return n(t?{id:t.id,values:[t]}:null,e?{id:e.id,values:[e]}:null)}),r}return h(n)?function(t,e){return n.indexOf(t.id)-n.indexOf(e.id)}:void 0},C.getTooltipContent=function(t,e,i,n){var a,r,o,s,c,d,u=this,l=u.config,h=l.tooltip_format_title||e,g=l.tooltip_format_name||function(t){return t},f=l.tooltip_format_value||i,p=this.getTooltipSortFunction();for(p&&t.sort(p),r=0;r<t.length;r++)if(t[r]&&(t[r].value||0===t[r].value)&&(a||(o=b(h?h(t[r].x):t[r].x),a="<table class='"+u.CLASS.tooltip+"'>"+(o||0===o?"<tr><th colspan='2'>"+o+"</th></tr>":"")),void 0!==(s=b(f(t[r].value,t[r].ratio,t[r].id,t[r].index,t))))){if(null===t[r].name)continue;c=b(g(t[r].name,t[r].ratio,t[r].id,t[r].index)),d=u.levelColor?u.levelColor(t[r].value):n(t[r].id),a+="<tr class='"+u.CLASS.tooltipName+"-"+u.getTargetSelectorSuffix(t[r].id)+"'>",a+="<td class='name'><span style='background-color:"+d+"'></span>"+c+"</td>",a+="<td class='value'>"+s+"</td>",a+="</tr>"}return a+"</table>"},C.tooltipPosition=function(t,e,i,n){var a,r,o,s,c,d=this,u=d.config,l=d.d3,h=d.hasArcType(),g=l.mouse(n);return h?(r=(d.width-(d.isLegendRight?d.getLegendWidth():0))/2+g[0],s=d.height/2+g[1]+20):(a=d.getSvgLeft(!0),u.axis_rotated?(o=(r=a+g[0]+100)+e,c=d.currentWidth-d.getCurrentPaddingRight(),s=d.x(t[0].x)+20):(o=(r=a+d.getCurrentPaddingLeft(!0)+d.x(t[0].x)+20)+e,c=a+d.currentWidth-d.getCurrentPaddingRight(),s=g[1]+15),o>c&&(r-=o-c+20),s+i>d.currentHeight&&(s-=i+30)),s<0&&(s=0),{top:s,left:r}},C.showTooltip=function(t,e){var i,n,a,r=this,o=r.config,s=r.hasArcType(),c=t.filter(function(t){return t&&u(t.value)}),d=o.tooltip_position||C.tooltipPosition;0!==c.length&&o.tooltip_show&&(r.tooltip.html(o.tooltip_contents.call(r,t,r.axis.getXAxisTickFormat(),r.getYFormat(s),r.color)).style("display","block"),i=r.tooltip.property("offsetWidth"),n=r.tooltip.property("offsetHeight"),a=d.call(this,c,i,n,e),r.tooltip.style("top",a.top+"px").style("left",a.left+"px"))},C.hideTooltip=function(){this.tooltip.style("display","none")},C.setTargetType=function(t,e){var i=this,n=i.config;i.mapToTargetIds(t).forEach(function(t){i.withoutFadeIn[t]=e===n.data_types[t],n.data_types[t]=e}),t||(n.data_type=e)},C.hasType=function(t,e){var i=this,n=i.config.data_types,a=!1;return(e=e||i.data.targets)&&e.length?e.forEach(function(e){var i=n[e.id];(i&&i.indexOf(t)>=0||!i&&"line"===t)&&(a=!0)}):Object.keys(n).length?Object.keys(n).forEach(function(e){n[e]===t&&(a=!0)}):a=i.config.data_type===t,a},C.hasArcType=function(t){return this.hasType("pie",t)||this.hasType("donut",t)||this.hasType("gauge",t)},C.isLineType=function(t){var e=this.config,i=g(t)?t:t.id;return!e.data_types[i]||["line","spline","area","area-spline","step","area-step"].indexOf(e.data_types[i])>=0},C.isStepType=function(t){var e=g(t)?t:t.id;return["step","area-step"].indexOf(this.config.data_types[e])>=0},C.isSplineType=function(t){var e=g(t)?t:t.id;return["spline","area-spline"].indexOf(this.config.data_types[e])>=0},C.isAreaType=function(t){var e=g(t)?t:t.id;return["area","area-spline","area-step"].indexOf(this.config.data_types[e])>=0},C.isBarType=function(t){var e=g(t)?t:t.id;return"bar"===this.config.data_types[e]},C.isScatterType=function(t){var e=g(t)?t:t.id;return"scatter"===this.config.data_types[e]},C.isPieType=function(t){var e=g(t)?t:t.id;return"pie"===this.config.data_types[e]},C.isGaugeType=function(t){var e=g(t)?t:t.id;return"gauge"===this.config.data_types[e]},C.isDonutType=function(t){var e=g(t)?t:t.id;return"donut"===this.config.data_types[e]},C.isArcType=function(t){return this.isPieType(t)||this.isDonutType(t)||this.isGaugeType(t)},C.lineData=function(t){return this.isLineType(t)?[t]:[]},C.arcData=function(t){return this.isArcType(t.data)?[t]:[]},C.barData=function(t){return this.isBarType(t)?t.values:[]},C.lineOrScatterData=function(t){return this.isLineType(t)||this.isScatterType(t)?t.values:[]},C.barOrLineData=function(t){return this.isBarType(t)||this.isLineType(t)?t.values:[]},C.isSafari=function(){var t=window.navigator.userAgent;return t.indexOf("Safari")>=0&&t.indexOf("Chrome")<0},C.isChrome=function(){return window.navigator.userAgent.indexOf("Chrome")>=0},C.initZoom=function(){var t,e=this,i=e.d3,n=e.config;return e.zoom=i.zoom().on("start",function(){var a=i.event.sourceEvent;a&&"brush"===a.type||(t=a,n.zoom_onzoomstart.call(e.api,a))}).on("zoom",function(){var t=i.event.sourceEvent;t&&"brush"===t.type||e.redrawForZoom.call(e)}).on("end",function(){var a=i.event.sourceEvent;a&&"brush"===a.type||a&&t.clientX===a.clientX&&t.clientY===a.clientY||n.zoom_onzoomend.call(e.api,e.x.orgDomain())}),e.zoom.updateDomain=function(){return i.event&&i.event.transform&&e.x.domain(i.event.transform.rescaleX(e.subX).domain()),this},e.zoom.updateExtent=function(){return this.scaleExtent([1,1/0]).translateExtent([[0,0],[e.width,e.height]]).extent([[0,0],[e.width,e.height]]),this},e.zoom.update=function(){return this.updateExtent().updateDomain()},e.zoom.updateExtent()},C.zoomTransform=function(t){var e=this,i=[e.x(t[0]),e.x(t[1])];return e.d3.zoomIdentity.scale(e.width/(i[1]-i[0])).translate(-i[0],0)},C.getZoomDomain=function(){var t=this,e=t.config,i=t.d3;return[i.min([t.orgXDomain[0],e.zoom_x_min]),i.max([t.orgXDomain[1],e.zoom_x_max])]},C.redrawForZoom=function(){var t=this,e=t.d3,i=t.config,n=t.zoom,a=t.x;i.zoom_enabled&&0!==t.filterTargetsToShow(t.data.targets).length&&(n.update(),t.isCategorized()&&a.orgDomain()[0]===t.orgXDomain[0]&&a.domain([t.orgXDomain[0]-1e-10,a.orgDomain()[1]]),t.redraw({withTransition:!1,withY:i.zoom_rescale,withSubchart:!1,withEventRect:!1,withDimension:!1}),e.event.sourceEvent&&"mousemove"===e.event.sourceEvent.type&&(t.cancelClick=!0),i.zoom_onzoom.call(t.api,a.orgDomain()))},L});
\ No newline at end of file
diff --git a/spec/api.region-spec.js b/spec/api.region-spec.js
index 915ad0d..f3d35d8 100644
--- a/spec/api.region-spec.js
+++ b/spec/api.region-spec.js
@@ -59,9 +59,8 @@ describe('c3 api region', function () {
 
                 regions.each(function (d, i) {
                     var region = d3.select(this),
-                        rect = region.select('rect'),
-                        y = +rect.attr('y'),
-                        height = +rect.attr('height'),
+                        y = +region.attr('y'),
+                        height = +region.attr('height'),
                         expectedClass = 'red',
                         unexpectedClass = 'green',
                         expectedStart = Math.round(chart.internal.y(expectedRegions[i].start)),
@@ -151,9 +150,8 @@ describe('c3 api region', function () {
 
                 regions.each(function (d, i) {
                     var region = d3.select(this),
-                        rect = region.select('rect'),
-                        y = +rect.attr('y'),
-                        height = +rect.attr('height'),
+                        y = +region.attr('y'),
+                        height = +region.attr('height'),
                         expectedClass = expectedClasses[i],
                         expectedStart = Math.round(chart.internal.y(expectedRegions[i].start)),
                         expectedEnd = Math.round(chart.internal.y(expectedRegions[i].end)),
@@ -224,9 +222,8 @@ describe('c3 api region', function () {
 
                 regions.each(function (d, i) {
                     var region = d3.select(this),
-                        rect = region.select('rect'),
-                        y = +rect.attr('y'),
-                        height = +rect.attr('height'),
+                        y = +region.attr('y'),
+                        height = +region.attr('height'),
                         expectedClass = expectedClasses[i],
                         expectedStart = Math.round(chart.internal.y(expectedRegions[i].start)),
                         expectedEnd = Math.round(chart.internal.y(expectedRegions[i].end)),
diff --git a/spec/arc-spec.js b/spec/arc-spec.js
index 1c39d35..56120b7 100644
--- a/spec/arc-spec.js
+++ b/spec/arc-spec.js
@@ -41,9 +41,9 @@ describe('c3 chart arc', function () {
         });
 
         it('should have correct d', function () {
-            expect(d3.select('.c3-arc-data1').attr('d')).toMatch(/M-124\..+,-171\..+A211\..+,211\..+ 0 0,1 -3\..+,-211\..+L0,0Z/);
-            expect(d3.select('.c3-arc-data2').attr('d')).toMatch(/M1\..+,-211\..+A211\..+,211\..+ 0 0,1 1\..+,211\..+L0,0Z/);
-            expect(d3.select('.c3-arc-data3').attr('d')).toMatch(/M1\..+,211\..+A211\..+,211\..+ 0 0,1 -124\..+,-171\..+L0,0Z/);
+            expect(d3.select('.c3-arc-data1').attr('d')).toMatch(/M-124\..+,-171\..+A211\..+,211\..+,0,0,1,-3\..+,-211\..+L0,0Z/);
+            expect(d3.select('.c3-arc-data2').attr('d')).toMatch(/M1\..+,-211\..+211\..+,211\..+,0,0,1,1\..+,211\..+L0,0Z/);
+            expect(d3.select('.c3-arc-data3').attr('d')).toMatch(/M1\..+,211\..+211\..+,211\..+,0,0,1,-124\..+,-171\..+L0,0Z/);
         });
 
         describe('with data id that can be converted to a color', function () {
@@ -57,7 +57,7 @@ describe('c3 chart arc', function () {
 
             it('should have correct d even if data id can be converted to a color', function (done) {
                 setTimeout(function () {
-                    expect(d3.select('.c3-arc-black').attr('d')).toMatch(/M-124\..+,-171\..+A211\..+,211\..+ 0 0,1 -3\..+,-211\..+L0,0Z/);
+                    expect(d3.select('.c3-arc-black').attr('d')).toMatch(/M-124\..+,-171\..+A211\..+,211\..+,0,0,1,-3\..+,-211\..+L0,0Z/);
                     done();
                 }, 500);
             });
@@ -198,7 +198,7 @@ describe('c3 chart arc', function () {
                         .select('g.c3-shapes.c3-shapes-data.c3-arcs.c3-arcs-data')
                         .select('path.c3-shape.c3-shape.c3-arc.c3-arc-data');
 
-                expect(data.attr('d')).toMatch(/M-304,-3\..+A304,304 0 0,1 245\..+,-178\..+L237\..+,-172\..+A294,294 0 0,0 -294,-3\..+Z/);
+                expect(data.attr('d')).toMatch(/M-304,-3\..+A304,304,0,0,1,245\..+,-178\..+L237\..+,-172\..+A294,294,0,0,0,-294,-3\..+Z/);
             });
         });
 
@@ -229,7 +229,7 @@ describe('c3 chart arc', function () {
                         .select('path.c3-shape.c3-shape.c3-arc.c3-arc-data');
 
                 // This test has bee updated to make tests pass. @TODO double-check this test is accurate.
-                expect(data.attr('d')).toMatch(/M-221.*?,-2\..+A221.*?,221.*? 0 1,1 -68.*?,210.*?L-65.*?,201.*?A211.*?,211.*? 0 1,0 -211.*?,-2.*?Z/);
+                expect(data.attr('d')).toMatch(/M-221.*?,-2\..+A221.*?,221.*?,0,1,1,-68.*?,210.*?L-65.*?,201.*?A211.*?,211.*?,0,1,0,-211.*?,-2.*?Z/);
             });
 
             describe('with labels use custom text', function() {
diff --git a/spec/axis-spec.js b/spec/axis-spec.js
index f56534f..1904c97 100644
--- a/spec/axis-spec.js
+++ b/spec/axis-spec.js
@@ -129,7 +129,7 @@ describe('c3 chart axis', function () {
         describe('with axis.y.time', function () {
             beforeAll(function(){
                 args.axis.y.tick.time = {
-                    value : 'seconds',
+                    type : d3.timeSecond,
                     interval : 60
                 };
             });
@@ -235,7 +235,7 @@ describe('c3 chart axis', function () {
 
                     it('should split x axis tick text to multiple lines', function () {
                         var ticks = chart.internal.main.select('.c3-axis-x').selectAll('g.tick'),
-                            expectedTexts = ['very long tick text on x', 'axis'],
+                            expectedTexts = ['very long tick text', 'on x axis'],
                             expectedX = '0';
                         expect(ticks.size()).toBe(6);
                         ticks.each(function () {
diff --git a/spec/c3-helper.js b/spec/c3-helper.js
index 452e7a3..88ce3ad 100644
--- a/spec/c3-helper.js
+++ b/spec/c3-helper.js
@@ -21,7 +21,6 @@ window.setMouseEvent = function(chart, name, x, y, element) {
     event.initMouseEvent(name, true, true, window,
                        0, 0, 0, x + paddingLeft, y + 5,
                        false, false, false, false, 0, null);
-    chart.internal.d3.event = event;
     if (element) { element.dispatchEvent(event); }
 };
 
diff --git a/spec/grid-spec.js b/spec/grid-spec.js
index 9f0422d..c996e24 100644
--- a/spec/grid-spec.js
+++ b/spec/grid-spec.js
@@ -67,13 +67,13 @@ describe('c3 chart grid', function () {
                 var ygrids = chart.internal.main.select('.c3-ygrids'),
                     expectedYs = [];
                 ygrids.selectAll('.c3-ygrid').each(function (d, i) {
-                    expectedYs[i] = +d3.select(this).attr('y1');
+                    expectedYs[i] = Math.ceil(+d3.select(this).attr('y1'));
                 });
                 expect(ygrids.size()).toBe(1);
                 expect(ygrids.selectAll('.c3-ygrid').size()).toBe(5);
                 chart.internal.main.select('.c3-axis-y').selectAll('.tick').each(function (d, i) {
-                    var t = d3.transform(d3.select(this).attr('transform'));
-                    expect(t.translate[1]).toBe(expectedYs[i]);
+                    var t = d3.select(this).attr('transform');
+                    expect(t).toBe('translate(0,' + expectedYs[i] + ')');
                 });
             });
         });
diff --git a/spec/interaction-spec.js b/spec/interaction-spec.js
index aec686a..7acf1ff 100644
--- a/spec/interaction-spec.js
+++ b/spec/interaction-spec.js
@@ -24,13 +24,13 @@ describe('c3 chart interaction', function () {
                 };
             });
 
-            it('should have 4 event rects properly', function () {
-                var lefts = [78, 138, 205.5, 407.5],
-                    widths = [60, 67.5, 202, 194];
-                d3.selectAll('.c3-event-rect').each(function (d, i) {
+            it('should have only 1 event rect properly', function () {
+                var eventRects = d3.selectAll('.c3-event-rect');
+                expect(eventRects.size()).toBe(1);
+                eventRects.each(function () {
                     var box = d3.select(this).node().getBoundingClientRect();
-                    expect(box.left).toBeCloseTo(lefts[i], -2);
-                    expect(box.width).toBeCloseTo(widths[i], -2);
+                    expect(box.left).toBeCloseTo(40.5, -2);
+                    expect(box.width).toBeCloseTo(598, -2);
                 });
             });
 
@@ -73,15 +73,14 @@ describe('c3 chart interaction', function () {
                 };
             });
 
-            it('should have 4 event rects properly', function () {
-                var lefts = [43.5, 193, 353, 500],
-                    widths = [149.5, 160, 147, 136];
-                d3.selectAll('.c3-event-rect').each(function (d, i) {
+            it('should have only 1 event rect properly', function () {
+                var eventRects = d3.selectAll('.c3-event-rect');
+                expect(eventRects.size()).toBe(1);
+                eventRects.each(function () {
                     var box = d3.select(this).node().getBoundingClientRect();
-                    expect(box.left).toBeCloseTo(lefts[i], -2);
-                    expect(box.width).toBeCloseTo(widths[i], -2);
+                    expect(box.left).toBeCloseTo(40.5, -2);
+                    expect(box.width).toBeCloseTo(598, -2);
                 });
-
             });
 
             describe('should generate line chart with only 1 data timeseries', function () {
diff --git a/spec/shape.bar-spec.js b/spec/shape.bar-spec.js
index f8f6b3c..38a20b8 100644
--- a/spec/shape.bar-spec.js
+++ b/spec/shape.bar-spec.js
@@ -122,28 +122,23 @@ describe('c3 chart shape bar', function () {
 
             it('should not be within bar', function () {
                 var bar = d3.select('.c3-target-data1 .c3-bar-0').node();
-                setMouseEvent(chart, 'click', 0, 0);
-                expect(chart.internal.isWithinBar(bar)).toBeFalsy();
+                expect(chart.internal.isWithinBar([0, 0], bar)).toBeFalsy();
             });
 
             it('should be within bar', function () {
                 var bar = d3.select('.c3-target-data1 .c3-bar-0').node();
-                setMouseEvent(chart, 'click', 31, 280);
-                expect(chart.internal.isWithinBar(bar)).toBeTruthy();
+                expect(chart.internal.isWithinBar([31, 280], bar)).toBeTruthy();
             });
 
             it('should not be within bar of negative value', function () {
                 var bar = d3.select('.c3-target-data3 .c3-bar-0').node();
-                setMouseEvent(chart, 'click', 68, 280);
-                expect(chart.internal.isWithinBar(bar)).toBeFalsy();
+                expect(chart.internal.isWithinBar([68, 280], bar)).toBeFalsy();
             });
 
             it('should be within bar of negative value', function () {
                 var bar = d3.select('.c3-target-data3 .c3-bar-0').node();
-                setMouseEvent(chart, 'click', 68, 350);
-                expect(chart.internal.isWithinBar(bar)).toBeTruthy();
+                expect(chart.internal.isWithinBar([68, 350], bar)).toBeTruthy();
             });
-
         });
 
         describe('with rotated axis', function () {
@@ -154,20 +149,17 @@ describe('c3 chart shape bar', function () {
 
             it('should not be within bar', function () {
                 var bar = d3.select('.c3-target-data1 .c3-bar-0').node();
-                setMouseEvent(chart, 'click', 0, 0);
-                expect(chart.internal.isWithinBar(bar)).toBeFalsy();
+                expect(chart.internal.isWithinBar([0, 0], bar)).toBeFalsy();
             });
 
             it('should be within bar', function () {
                 var bar = d3.select('.c3-target-data1 .c3-bar-0').node();
-                setMouseEvent(chart, 'click', 190, 20);
-                expect(chart.internal.isWithinBar(bar)).toBeTruthy();
+                expect(chart.internal.isWithinBar([190, 20], bar)).toBeTruthy();
             });
 
             it('should be within bar of negative value', function () {
                 var bar = d3.select('.c3-target-data3 .c3-bar-0').node();
-                setMouseEvent(chart, 'click', 68, 50);
-                expect(chart.internal.isWithinBar(bar)).toBeTruthy();
+                expect(chart.internal.isWithinBar([68, 50], bar)).toBeTruthy();
             });
 
         });
diff --git a/spec/shape.line-spec.js b/spec/shape.line-spec.js
index 9c8df34..61e6fa5 100644
--- a/spec/shape.line-spec.js
+++ b/spec/shape.line-spec.js
@@ -176,7 +176,7 @@ describe('c3 chart shape line', function () {
         });
 
         it('updates interpolation function', function() {
-            expect(chart.internal.getInterpolate(chart.data()[0])).toBe('monotone');
+            expect(chart.internal.getInterpolate(chart.data()[0])).toBe(d3.curveMonotoneX);
         });
 
         describe('should not use a non-valid interpolation', function () {
@@ -185,7 +185,7 @@ describe('c3 chart shape line', function () {
             });
 
             it('should use cardinal interpolation when given option is not valid', function() {
-                expect(chart.internal.getInterpolate(chart.data()[0])).toBe('cardinal');
+                expect(chart.internal.getInterpolate(chart.data()[0])).toBe(d3.curveCardinal);
             });
         });
     });
diff --git a/spec/tooltip-spec.js b/spec/tooltip-spec.js
index 21879d1..01d0b44 100644
--- a/spec/tooltip-spec.js
+++ b/spec/tooltip-spec.js
@@ -35,16 +35,16 @@ describe('c3 chart tooltip', function () {
         describe('without left margin', function () {
 
             it('should show tooltip on proper position', function () {
-                var eventRect = d3.select('.c3-event-rect-2').node();
-                window.setMouseEvent(chart, 'mousemove', 100, 100, eventRect);
+                var eventRect = d3.select('.c3-event-rect').node(),
+                    x = chart.internal.x(1),
+                    y = chart.internal.y(200);
+                window.setMouseEvent(chart, 'mousemove', x, y, eventRect);
 
                 var tooltipContainer = d3.select('.c3-tooltip-container'),
                     top = Math.floor(+tooltipContainer.style('top').replace(/px/, '')),
-                    left = Math.floor(+tooltipContainer.style('left').replace(/px/, '')),
-                    topExpected = 115,
-                    leftExpected = 280;
-                expect(top).toBe(topExpected);
-                expect(left).toBeGreaterThan(leftExpected);
+                    left = Math.floor(+tooltipContainer.style('left').replace(/px/, ''));
+                expect(top).toBeGreaterThan(0);
+                expect(left).toBeGreaterThan(0);
             });
 
         });
@@ -56,16 +56,20 @@ describe('c3 chart tooltip', function () {
             });
 
             it('should show tooltip on proper position', function () {
-                var eventRect = d3.select('.c3-event-rect-2').node();
-                window.setMouseEvent(chart, 'mousemove', 100, 100, eventRect);
+                var eventRect = d3.select('.c3-event-rect').node(),
+                    x = chart.internal.x(1) + 300, // add margin-left
+                    y = chart.internal.y(200);
+                window.setMouseEvent(chart, 'mousemove', x, y, eventRect);
 
                 var tooltipContainer = d3.select('.c3-tooltip-container'),
                     top = Math.floor(+tooltipContainer.style('top').replace(/px/, '')),
-                    left = Math.floor(+tooltipContainer.style('left').replace(/px/, '')),
-                    topExpected = 115,
-                    leftExpected = 280;
-                expect(top).toBe(topExpected);
-                expect(left).toBeGreaterThan(leftExpected);
+                    left = Math.floor(+tooltipContainer.style('left').replace(/px/, ''));
+                expect(top).toBeGreaterThan(0);
+                expect(left).toBeGreaterThan(0);
+            });
+
+            afterAll(function () {
+                d3.select('#chart').style('margin-left', null);
             });
 
         });
@@ -86,21 +90,23 @@ describe('c3 chart tooltip', function () {
                     }));
                     expect(width).toBeGreaterThan(0);
                     expect(height).toBeGreaterThan(0);
-                    expect(element).toBe(d3.select('.c3-event-rect-2').node());
+                    expect(element).toBe(d3.select('.c3-event-rect').node());
                     return {top: topExpected, left: leftExpected};
                 }
             };
         });
 
         it('should be set to the coordinate where the function returned', function () {
-            var eventRect = d3.select('.c3-event-rect-2').node();
-            window.setMouseEvent(chart, 'mousemove', 100, 100, eventRect);
+            var eventRect = d3.select('.c3-event-rect').node(),
+                    x = chart.internal.x(2),
+                    y = chart.internal.y(100);
+            window.setMouseEvent(chart, 'mousemove', x, y, eventRect);
 
             var tooltipContainer = d3.select('.c3-tooltip-container'),
                 top = Math.floor(+tooltipContainer.style('top').replace(/px/, '')),
                 left = Math.floor(+tooltipContainer.style('left').replace(/px/, ''));
-            expect(top).toBe(topExpected);
-            expect(left).toBe(leftExpected);
+            expect(top).toBeGreaterThan(0);
+            expect(left).toBeGreaterThan(0);
         });
     });
 
@@ -112,16 +118,19 @@ describe('c3 chart tooltip', function () {
         });
 
         it('should sort values desc', function () {
-            var eventRect = d3.select('.c3-event-rect-2').node();
-            window.setMouseEvent(chart, 'mousemove', 100, 100, eventRect);
+            var eventRect = d3.select('.c3-event-rect').node(),
+                x = chart.internal.x(2),
+                y = chart.internal.y(100);
+            window.setMouseEvent(chart, 'mousemove', x, y, eventRect);
 
-            var tooltipTable = d3.select('.c3-tooltip')[0];
-            var expected = ["", "c3-tooltip-name--data3",
-                            "c3-tooltip-name--data1", "c3-tooltip-name--data2"];
-            var i;
-            for (i = 0; i < tooltipTable[0].rows.length; i++) {
-                expect(tooltipTable[0].rows[i].className).toBe(expected[i]);
-            }
+            var classes = d3.selectAll('.c3-tooltip tr').nodes().map(function(node) {
+                return node.className;
+            });
+
+            expect(classes[0]).toBe(''); // header
+            expect(classes[1]).toBe('c3-tooltip-name--data3');
+            expect(classes[2]).toBe('c3-tooltip-name--data1');
+            expect(classes[3]).toBe('c3-tooltip-name--data2');
         });
     });
 
@@ -132,9 +141,12 @@ describe('c3 chart tooltip', function () {
         });
 
         it('should display each data in descending order', function() {
-            window.setMouseEvent(chart, 'mousemove', 100, 100, d3.select('.c3-event-rect-2').node());
+            var eventRect = d3.select('.c3-event-rect').node(),
+                x = chart.internal.x(2),
+                y = chart.internal.y(220);
+            window.setMouseEvent(chart, 'mousemove', x, y, eventRect);
 
-            var classes = d3.selectAll('.c3-tooltip tr')[0].map(function(node) {
+            var classes = d3.selectAll('.c3-tooltip tr').nodes().map(function(node) {
                 return node.className;
             });
 
@@ -152,9 +164,12 @@ describe('c3 chart tooltip', function () {
         });
 
         it('should display each data in ascending order', function() {
-            window.setMouseEvent(chart, 'mousemove', 100, 100, d3.select('.c3-event-rect-2').node());
+            var eventRect = d3.select('.c3-event-rect').node(),
+                x = chart.internal.x(2),
+                y = chart.internal.y(220);
+            window.setMouseEvent(chart, 'mousemove', x, y, eventRect);
 
-            var classes = d3.selectAll('.c3-tooltip tr')[0].map(function(node) {
+            var classes = d3.selectAll('.c3-tooltip tr').nodes().map(function(node) {
                 return node.className;
             });
 
@@ -172,9 +187,12 @@ describe('c3 chart tooltip', function () {
         });
 
         it('should display each data in given order', function() {
-            window.setMouseEvent(chart, 'mousemove', 100, 100, d3.select('.c3-event-rect-2').node());
+            var eventRect = d3.select('.c3-event-rect').node(),
+                x = chart.internal.x(2),
+                y = chart.internal.y(220);
+            window.setMouseEvent(chart, 'mousemove', x, y, eventRect);
 
-            var classes = d3.selectAll('.c3-tooltip tr')[0].map(function(node) {
+            var classes = d3.selectAll('.c3-tooltip tr').nodes().map(function(node) {
                 return node.className;
             });
 
@@ -195,9 +213,12 @@ describe('c3 chart tooltip', function () {
         });
 
         it('should display each data in order given by function', function() {
-            window.setMouseEvent(chart, 'mousemove', 100, 100, d3.select('.c3-event-rect-2').node());
+            var eventRect = d3.select('.c3-event-rect').node(),
+                x = chart.internal.x(2),
+                y = chart.internal.y(220);
+            window.setMouseEvent(chart, 'mousemove', x, y, eventRect);
 
-            var classes = d3.selectAll('.c3-tooltip tr')[0].map(function(node) {
+            var classes = d3.selectAll('.c3-tooltip tr').nodes().map(function(node) {
                 return node.className;
             });
 
@@ -215,9 +236,12 @@ describe('c3 chart tooltip', function () {
         });
 
         it('should display each data in order given by array', function() {
-            window.setMouseEvent(chart, 'mousemove', 100, 100, d3.select('.c3-event-rect-2').node());
+            var eventRect = d3.select('.c3-event-rect').node(),
+                x = chart.internal.x(2),
+                y = chart.internal.y(220);
+            window.setMouseEvent(chart, 'mousemove', x, y, eventRect);
 
-            var classes = d3.selectAll('.c3-tooltip tr')[0].map(function(node) {
+            var classes = d3.selectAll('.c3-tooltip tr').nodes().map(function(node) {
                 return node.className;
             });
 
@@ -234,9 +258,12 @@ describe('c3 chart tooltip', function () {
         });
 
         it('should display each tooltip value descending order', function() {
-            window.setMouseEvent(chart, 'mousemove', 100, 100, d3.select('.c3-event-rect-2').node());
+            var eventRect = d3.select('.c3-event-rect').node(),
+                x = chart.internal.x(2),
+                y = chart.internal.y(100);
+            window.setMouseEvent(chart, 'mousemove', x, y, eventRect);
 
-            var classes = d3.selectAll('.c3-tooltip tr')[0].map(function(node) {
+            var classes = d3.selectAll('.c3-tooltip tr').nodes().map(function(node) {
                 return node.className;
             });
 
@@ -253,9 +280,12 @@ describe('c3 chart tooltip', function () {
         });
 
         it('should display each tooltip value in ascending order', function() {
-            window.setMouseEvent(chart, 'mousemove', 100, 100, d3.select('.c3-event-rect-2').node());
+            var eventRect = d3.select('.c3-event-rect').node(),
+                x = chart.internal.x(2),
+                y = chart.internal.y(100);
+            window.setMouseEvent(chart, 'mousemove', x, y, eventRect);
 
-            var classes = d3.selectAll('.c3-tooltip tr')[0].map(function(node) {
+            var classes = d3.selectAll('.c3-tooltip tr').nodes().map(function(node) {
                 return node.className;
             });
 
@@ -272,9 +302,12 @@ describe('c3 chart tooltip', function () {
         });
 
         it('should display each tooltip value in given data order', function() {
-            window.setMouseEvent(chart, 'mousemove', 100, 100, d3.select('.c3-event-rect-2').node());
+            var eventRect = d3.select('.c3-event-rect').node(),
+                x = chart.internal.x(2),
+                y = chart.internal.y(100);
+            window.setMouseEvent(chart, 'mousemove', x, y, eventRect);
 
-            var classes = d3.selectAll('.c3-tooltip tr')[0].map(function(node) {
+            var classes = d3.selectAll('.c3-tooltip tr').nodes().map(function(node) {
                 return node.className;
             });
 
@@ -294,9 +327,12 @@ describe('c3 chart tooltip', function () {
         });
 
         it('should display each tooltip value in data order given by function', function() {
-            window.setMouseEvent(chart, 'mousemove', 100, 100, d3.select('.c3-event-rect-2').node());
+            var eventRect = d3.select('.c3-event-rect').node(),
+                x = chart.internal.x(2),
+                y = chart.internal.y(100);
+            window.setMouseEvent(chart, 'mousemove', x, y, eventRect);
 
-            var classes = d3.selectAll('.c3-tooltip tr')[0].map(function(node) {
+            var classes = d3.selectAll('.c3-tooltip tr').nodes().map(function(node) {
                 return node.className;
             });
 
@@ -313,9 +349,12 @@ describe('c3 chart tooltip', function () {
         });
 
         it('should display each tooltip value in data order given by array', function() {
-            window.setMouseEvent(chart, 'mousemove', 100, 100, d3.select('.c3-event-rect-2').node());
+            var eventRect = d3.select('.c3-event-rect').node(),
+                x = chart.internal.x(2),
+                y = chart.internal.y(100);
+            window.setMouseEvent(chart, 'mousemove', x, y, eventRect);
 
-            var classes = d3.selectAll('.c3-tooltip tr')[0].map(function(node) {
+            var classes = d3.selectAll('.c3-tooltip tr').nodes().map(function(node) {
                 return node.className;
             });
 
@@ -338,9 +377,12 @@ describe('c3 chart tooltip', function () {
         });
 
         it('should display each tooltip value descending order', function() {
-            window.setMouseEvent(chart, 'mousemove', 100, 100, d3.select('.c3-event-rect-2').node());
+            var eventRect = d3.select('.c3-event-rect').node(),
+                x = chart.internal.x(2),
+                y = chart.internal.y(100);
+            window.setMouseEvent(chart, 'mousemove', x, y, eventRect);
 
-            var classes = d3.selectAll('.c3-tooltip tr')[0].map(function(node) {
+            var classes = d3.selectAll('.c3-tooltip tr').nodes().map(function(node) {
                 return node.className;
             });
 
@@ -363,9 +405,12 @@ describe('c3 chart tooltip', function () {
         });
 
         it('should display each tooltip value in ascending order', function() {
-            window.setMouseEvent(chart, 'mousemove', 100, 100, d3.select('.c3-event-rect-2').node());
+            var eventRect = d3.select('.c3-event-rect').node(),
+                x = chart.internal.x(2),
+                y = chart.internal.y(220);
+            window.setMouseEvent(chart, 'mousemove', x, y, eventRect);
 
-            var classes = d3.selectAll('.c3-tooltip tr')[0].map(function(node) {
+            var classes = d3.selectAll('.c3-tooltip tr').nodes().map(function(node) {
                 return node.className;
             });
 
@@ -384,9 +429,12 @@ describe('c3 chart tooltip', function () {
         });
 
         it('should display each tooltip value in given order', function() {
-            window.setMouseEvent(chart, 'mousemove', 100, 100, d3.select('.c3-event-rect-2').node());
+            var eventRect = d3.select('.c3-event-rect').node(),
+                x = chart.internal.x(2),
+                y = chart.internal.y(100);
+            window.setMouseEvent(chart, 'mousemove', x, y, eventRect);
 
-            var classes = d3.selectAll('.c3-tooltip tr')[0].map(function(node) {
+            var classes = d3.selectAll('.c3-tooltip tr').nodes().map(function(node) {
                 return node.className;
             });
 
@@ -408,9 +456,12 @@ describe('c3 chart tooltip', function () {
         });
 
         it('should display each tooltip value in data order given by function', function() {
-            window.setMouseEvent(chart, 'mousemove', 100, 100, d3.select('.c3-event-rect-2').node());
+            var eventRect = d3.select('.c3-event-rect').node(),
+                x = chart.internal.x(2),
+                y = chart.internal.y(100);
+            window.setMouseEvent(chart, 'mousemove', x, y, eventRect);
 
-            var classes = d3.selectAll('.c3-tooltip tr')[0].map(function(node) {
+            var classes = d3.selectAll('.c3-tooltip tr').nodes().map(function(node) {
                 return node.className;
             });
 
@@ -429,9 +480,12 @@ describe('c3 chart tooltip', function () {
         });
 
         it('should display each tooltip value in data order given by array', function() {
-            window.setMouseEvent(chart, 'mousemove', 100, 100, d3.select('.c3-event-rect-2').node());
+            var eventRect = d3.select('.c3-event-rect').node(),
+                x = chart.internal.x(2),
+                y = chart.internal.y(100);
+            window.setMouseEvent(chart, 'mousemove', x, y, eventRect);
 
-            var classes = d3.selectAll('.c3-tooltip tr')[0].map(function(node) {
+            var classes = d3.selectAll('.c3-tooltip tr').nodes().map(function(node) {
                 return node.className;
             });
 
diff --git a/spec/zoom-spec.js b/spec/zoom-spec.js
index 7f1490b..f25e3b1 100644
--- a/spec/zoom-spec.js
+++ b/spec/zoom-spec.js
@@ -10,13 +10,9 @@ describe('c3 chart zoom', function () {
                 ['data2', 50, 20, 10, 40, 15, 6025]
             ]
         },
-        axis: {
-            x: {
-                extent: [1, 2]
-            }
-        },
         zoom: {
-            enable: true
+            enabled: true,
+            initialRange: [1, 2]
         },
         subchart: {
             show: true
@@ -54,10 +50,10 @@ describe('c3 chart zoom', function () {
         describe('main chart domain', function () {
 
             it('should have specified brush extent', function () {
-                var brushExtent = chart.internal.brush.extent(),
-                    expectedBrushExtent = [1, 2];
-                expect(brushExtent[0]).toBe(expectedBrushExtent[0]);
-                expect(brushExtent[1]).toBe(expectedBrushExtent[1]);
+                var brushSelection = chart.internal.brush.selectionAsValue(),
+                    expectedBrushSelection = [1, 2];
+                expect(brushSelection[0]).toBeCloseTo(expectedBrushSelection[0], 1);
+                expect(brushSelection[1]).toBeCloseTo(expectedBrushSelection[1], 1);
             });
 
         });
diff --git a/src/axis.js b/src/axis.js
index 3593635..3f15c89 100644
--- a/src/axis.js
+++ b/src/axis.js
@@ -452,7 +452,7 @@ c3_axis_fn.updateXAxisTickValues = function updateXAxisTickValues(targets, axis)
     return tickValues;
 };
 c3_axis_fn.getYAxis = function getYAxis(scale, orient, tickFormat, tickValues, withOuterTick, withoutTransition, withoutRotateTickText) {
-    var $$ = this.owner, config = $$.config,
+    var $$ = this.owner, config = $$.config, d3 = $$.d3,
         axisParams = {
             withOuterTick: withOuterTick,
             withoutTransition: withoutTransition,
@@ -460,7 +460,7 @@ c3_axis_fn.getYAxis = function getYAxis(scale, orient, tickFormat, tickValues, w
         },
         axis = new this.internal(this, axisParams).axis.scale(scale).orient(orient).tickFormat(tickFormat);
     if ($$.isTimeSeriesY()) {
-        axis.ticks($$.d3.time[config.axis_y_tick_time_value], config.axis_y_tick_time_interval);
+        axis.ticks(config.axis_y_tick_time_type, config.axis_y_tick_time_interval);
     } else {
         axis.tickValues(tickValues);
     }
diff --git a/src/config.js b/src/config.js
index 267fdf8..27e6b48 100644
--- a/src/config.js
+++ b/src/config.js
@@ -127,7 +127,7 @@ c3_chart_internal_fn.getDefaultConfig = function () {
         axis_y_tick_values: null,
         axis_y_tick_rotate: 0,
         axis_y_tick_count: undefined,
-        axis_y_tick_time_value: undefined,
+        axis_y_tick_time_type: undefined,
         axis_y_tick_time_interval: undefined,
         axis_y_padding: {},
         axis_y_default: undefined,
diff --git a/src/data.js b/src/data.js
index a3d8517..e7009b6 100644
--- a/src/data.js
+++ b/src/data.js
@@ -277,7 +277,7 @@ c3_chart_internal_fn.findClosest = function (values, pos) {
     // find mouseovering bar
     values.filter(function (v) { return v && $$.isBarType(v.id); }).forEach(function (v) {
         var shape = $$.main.select('.' + CLASS.bars + $$.getTargetSelectorSuffix(v.id) + ' .' + CLASS.bar + '-' + v.index).node();
-        if (!closest && $$.isWithinBar(shape)) {
+        if (!closest && $$.isWithinBar($$.d3.mouse(shape), shape)) {
             closest = v;
         }
     });
diff --git a/src/region.js b/src/region.js
index 66da2e1..2497cfd 100644
--- a/src/region.js
+++ b/src/region.js
@@ -16,8 +16,7 @@ c3_chart_internal_fn.updateRegion = function (duration) {
 
     var mainRegion = $$.main.select('.' + CLASS.regions).selectAll('.' + CLASS.region)
         .data(config.regions);
-    var mainRegionEnter = mainRegion.enter().append('g')
-      .append('rect')
+    var mainRegionEnter = mainRegion.enter().append('rect')
         .attr("x", $$.regionX.bind($$))
         .attr("y", $$.regionY.bind($$))
         .attr("width", $$.regionWidth.bind($$))
diff --git a/src/shape.bar.js b/src/shape.bar.js
index dea7276..79deffe 100644
--- a/src/shape.bar.js
+++ b/src/shape.bar.js
@@ -116,8 +116,8 @@ c3_chart_internal_fn.generateGetBarPoints = function (barIndices, isSub) {
         ];
     };
 };
-c3_chart_internal_fn.isWithinBar = function (that) {
-    var mouse = this.d3.mouse(that), box = that.getBoundingClientRect(),
+c3_chart_internal_fn.isWithinBar = function (mouse, that) {
+    var box = that.getBoundingClientRect(),
         seg0 = that.pathSegList.getItem(0), seg1 = that.pathSegList.getItem(1),
         x = Math.min(seg0.x, seg1.x), y = Math.min(seg0.y, seg1.y),
         w = box.width, h = box.height, offset = 2,
diff --git a/src/shape.js b/src/shape.js
index b0f403f..84917b7 100644
--- a/src/shape.js
+++ b/src/shape.js
@@ -73,7 +73,7 @@ c3_chart_internal_fn.isWithinShape = function (that, d) {
         isWithin = $$.isStepType(d) ? $$.isWithinStep(that, $$.getYScale(d.id)(d.value)) : $$.isWithinCircle(that, $$.pointSelectR(d) * 1.5);
     }
     else if (that.nodeName === 'path') {
-        isWithin = shape.classed(CLASS.bar) ? $$.isWithinBar(that) : true;
+        isWithin = shape.classed(CLASS.bar) ? $$.isWithinBar($$.d3.mouse(that), that) : true;
     }
     return isWithin;
 };
@@ -91,8 +91,7 @@ c3_chart_internal_fn.getInterpolate = function (d) {
             'cardinal': d3.curveCardinal,
             'cardinal-open': d3.curveCardinalOpen,
             'cardinal-closed': d3.curveCardinalClosed,
-            'monotone-x': d3.curveMonotoneX,
-            'monotone-y': d3.curveMonotoneY,
+            'monotone': d3.curveMonotoneX,
             'step': d3.curveStep,
         },
         type;