diff --git a/c3.js b/c3.js
index be23d22..86d2fc9 100644
--- a/c3.js
+++ b/c3.js
@@ -1251,6 +1251,8 @@
             donut_title: "",
             donut_expand: {},
             donut_expand_duration: 50,
+            // spline
+            spline_interpolation_type: 'cardinal',
             // region - region to change style
             regions: [],
             // tooltip - show when mouseover on each data
@@ -2819,8 +2821,9 @@
 
 
     c3_chart_internal_fn.getInterpolate = function (d) {
-        var $$ = this;
-        return $$.isSplineType(d) ? "cardinal" : $$.isStepType(d) ? $$.config.line_step_type : "linear";
+        var $$ = this,
+            interpolation = $$.isInterpolationType($$.config.spline_interpolation_type) ? $$.config.spline_interpolation_type : 'cardinal';
+        return $$.isSplineType(d) ? interpolation : $$.isStepType(d) ? $$.config.line_step_type : "linear";
     };
 
     c3_chart_internal_fn.initLine = function () {
@@ -3548,6 +3551,9 @@
     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.initGrid = function () {
         var $$ = this, config = $$.config, d3 = $$.d3;
diff --git a/c3.min.js b/c3.min.js
index fea9a88..1eac429 100644
--- a/c3.min.js
+++ b/c3.min.js
@@ -1,5 +1,5 @@
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g.onmouseover.call(d)}).on("mouseleave",function(){return g.onmouseout.call(d)}),b=d.svg.append("defs"),d.clipChart=d.appendClip(b,d.clipId),d.clipXAxis=d.appendClip(b,d.clipIdForXAxis),d.clipYAxis=d.appendClip(b,d.clipIdForYAxis),d.clipGrid=d.appendClip(b,d.clipIdForGrid),d.clipSubchart=d.appendClip(b,d.clipIdForSubchart),d.updateSvgSize(),c=d.main=d.svg.append("g").attr("transform",d.getTranslate("main")),d.initSubchart&&d.initSubchart(),d.initTooltip&&d.initTooltip(),d.initLegend&&d.initLegend(),d.initTitle&&d.initTitle(),c.append("text").attr("class",l.text+" 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b=this;b.updateTargetsForText(a),b.updateTargetsForBar(a),b.updateTargetsForLine(a),b.hasArcType()&&b.updateTargetsForArc&&b.updateTargetsForArc(a),b.updateTargetsForSubchart&&b.updateTargetsForSubchart(a),b.showTargets()},i.showTargets=function(){var a=this;a.svg.selectAll("."+l.target).filter(function(b){return a.isTargetToShow(b.id)}).transition().duration(a.config.transition_duration).style("opacity",1)},i.redraw=function(a,b){var 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0,t=H.generateXYForText(L,M,N,!0),u=H.generateXYForText(L,M,N,!1),c&&(H.subY.domain(H.getYDomain(P,"y")),H.subY2.domain(H.getYDomain(P,"y2"))),H.updateXgridFocus(),I.select("text."+l.text+"."+l.empty).attr("x",H.width/2).attr("y",H.height/2).text(K.data_empty_label_text).transition().style("opacity",P.length?0:1),H.updateGrid(v),H.updateRegion(v),H.updateBar(x),H.updateLine(x),H.updateArea(x),H.updateCircle(),H.hasDataLabel()&&H.updateText(x),H.redrawTitle&&H.redrawTitle(),H.redrawArc&&H.redrawArc(v,x,h),H.redrawSubchart&&H.redrawSubchart(d,b,v,x,L,M,N),I.selectAll("."+l.selectedCircles).filter(H.isBarType.bind(H)).selectAll("circle").remove(),K.interaction_enabled&&!a.flow&&n&&(H.redrawEventRect(),H.updateZoom&&H.updateZoom()),H.updateCircleY(),F=(H.config.axis_rotated?H.circleY:H.circleX).bind(H),G=(H.config.axis_rotated?H.circleX:H.circleY).bind(H),a.flow&&(A=H.generateFlow({targets:P,flow:a.flow,duration:a.flow.duration,drawBar:r,drawLine:s,drawArea:q,cx:F,cy:G,xv:Q,xForText:t,yForText:u})),(v||A)&&H.isTabVisible()?J.transition().duration(v).each(function(){var b=[];[H.redrawBar(r,!0),H.redrawLine(s,!0),H.redrawArea(q,!0),H.redrawCircle(F,G,!0),H.redrawText(t,u,a.flow,!0),H.redrawRegion(!0),H.redrawGrid(!0)].forEach(function(a){a.forEach(function(a){b.push(a)})}),z=H.generateWait(),b.forEach(function(a){z.add(a)})}).call(z,function(){A&&A(),K.onrendered&&K.onrendered.call(H)}):(H.redrawBar(r),H.redrawLine(s),H.redrawArea(q),H.redrawCircle(F,G),H.redrawText(t,u,a.flow),H.redrawRegion(),H.redrawGrid(),K.onrendered&&K.onrendered.call(H)),H.mapToIds(H.data.targets).forEach(function(a){H.withoutFadeIn[a]=!0})},i.updateAndRedraw=function(a){var b,c=this,d=c.config;a=a||{},a.withTransition=w(a,"withTransition",!0),a.withTransform=w(a,"withTransform",!1),a.withLegend=w(a,"withLegend",!1),a.withUpdateXDomain=!0,a.withUpdateOrgXDomain=!0,a.withTransitionForExit=!1,a.withTransitionForTransform=w(a,"withTransitionForTransform",a.withTransition),c.updateSizes(),a.withLegend&&d.legend_show||(b=c.axis.generateTransitions(a.withTransitionForAxis?d.transition_duration:0),c.updateScales(),c.updateSvgSize(),c.transformAll(a.withTransitionForTransform,b)),c.redraw(a,b)},i.redrawWithoutRescale=function(){this.redraw({withY:!1,withSubchart:!1,withEventRect:!1,withTransitionForAxis:!1})},i.isTimeSeries=function(){return"timeseries"===this.config.axis_x_type},i.isCategorized=function(){return this.config.axis_x_type.indexOf("categor")>=0},i.isCustomX=function(){var a=this,b=a.config;return!a.isTimeSeries()&&(b.data_x||v(b.data_xs))},i.isTimeSeriesY=function(){return"timeseries"===this.config.axis_y_type},i.getTranslate=function(a){var b,c,d=this,e=d.config;return"main"===a?(b=s(d.margin.left),c=s(d.margin.top)):"context"===a?(b=s(d.margin2.left),c=s(d.margin2.top)):"legend"===a?(b=d.margin3.left,c=d.margin3.top):"x"===a?(b=0,c=e.axis_rotated?0:d.height):"y"===a?(b=0,c=e.axis_rotated?d.height:0):"y2"===a?(b=e.axis_rotated?0:d.width,c=e.axis_rotated?1:0):"subx"===a?(b=0,c=e.axis_rotated?0:d.height2):"arc"===a&&(b=d.arcWidth/2,c=d.arcHeight/2),"translate("+b+","+c+")"},i.initialOpacity=function(a){return null!==a.value&&this.withoutFadeIn[a.id]?1:0},i.initialOpacityForCircle=function(a){return null!==a.value&&this.withoutFadeIn[a.id]?this.opacityForCircle(a):0},i.opacityForCircle=function(a){var b=this.config.point_show?1:0;return m(a.value)?this.isScatterType(a)?.5:b:0},i.opacityForText=function(){return this.hasDataLabel()?1:0},i.xx=function(a){return a?this.x(a.x):null},i.xv=function(a){var b=this,c=a.value;return b.isTimeSeries()?c=b.parseDate(a.value):b.isCategorized()&&"string"==typeof a.value&&(c=b.config.axis_x_categories.indexOf(a.value)),Math.ceil(b.x(c))},i.yv=function(a){var b=this,c=a.axis&&"y2"===a.axis?b.y2:b.y;return Math.ceil(c(a.value))},i.subxx=function(a){return a?this.subX(a.x):null},i.transformMain=function(a,b){var c,d,e,f=this;b&&b.axisX?c=b.axisX:(c=f.main.select("."+l.axisX),a&&(c=c.transition())),b&&b.axisY?d=b.axisY:(d=f.main.select("."+l.axisY),a&&(d=d.transition())),b&&b.axisY2?e=b.axisY2:(e=f.main.select("."+l.axisY2),a&&(e=e.transition())),(a?f.main.transition():f.main).attr("transform",f.getTranslate("main")),c.attr("transform",f.getTranslate("x")),d.attr("transform",f.getTranslate("y")),e.attr("transform",f.getTranslate("y2")),f.main.select("."+l.chartArcs).attr("transform",f.getTranslate("arc"))},i.transformAll=function(a,b){var c=this;c.transformMain(a,b),c.config.subchart_show&&c.transformContext(a,b),c.legend&&c.transformLegend(a)},i.updateSvgSize=function(){var a=this,b=a.svg.select(".c3-brush 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b=this;a||(b.config.axis_rotated?(b.axes.x.call(b.xAxis),b.axes.subx.call(b.subXAxis)):(b.axes.y.call(b.yAxis),b.axes.y2.call(b.y2Axis))),b.updateSizes(),b.updateScales(),b.updateSvgSize(),b.transformAll(!1)},i.observeInserted=function(b){var c,d=this;return"undefined"==typeof MutationObserver?void a.console.error("MutationObserver not defined."):(c=new MutationObserver(function(e){e.forEach(function(e){"childList"===e.type&&e.previousSibling&&(c.disconnect(),d.intervalForObserveInserted=a.setInterval(function(){b.node().parentNode&&(a.clearInterval(d.intervalForObserveInserted),d.updateDimension(),d.brush&&d.brush.update(),d.config.oninit.call(d),d.redraw({withTransform:!0,withUpdateXDomain:!0,withUpdateOrgXDomain:!0,withTransition:!1,withTransitionForTransform:!1,withLegend:!0}),b.transition().style("opacity",1))},10))})}),void c.observe(b.node(),{attributes:!0,childList:!0,characterData:!0}))},i.bindResize=function(){var b=this,c=b.config;if(b.resizeFunction=b.generateResize(),b.resizeFunction.add(function(){c.onresize.call(b)}),c.resize_auto&&b.resizeFunction.add(function(){void 0!==b.resizeTimeout&&a.clearTimeout(b.resizeTimeout),b.resizeTimeout=a.setTimeout(function(){delete b.resizeTimeout,b.api.flush()},100)}),b.resizeFunction.add(function(){c.onresized.call(b)}),a.attachEvent)a.attachEvent("onresize",b.resizeFunction);else if(a.addEventListener)a.addEventListener("resize",b.resizeFunction,!1);else{var d=a.onresize;d?d.add&&d.remove||(d=b.generateResize(),d.add(a.onresize)):d=b.generateResize(),d.add(b.resizeFunction),a.onresize=d}},i.generateResize=function(){function a(){b.forEach(function(a){a()})}var b=[];return a.add=function(a){b.push(a)},a.remove=function(a){for(var c=0;c<b.length;c++)if(b[c]===a){b.splice(c,1);break}},a},i.endall=function(a,b){var c=0;a.each(function(){++c}).each("end",function(){--c||b.apply(this,arguments)})},i.generateWait=function(){var a=[],b=function(b,c){var d=setInterval(function(){var b=0;a.forEach(function(a){if(a.empty())return void(b+=1);try{a.transition()}catch(c){b+=1}}),b===a.length&&(clearInterval(d),c&&c())},10)};return b.add=function(b){a.push(b)},b},i.parseDate=function(b){var c,d=this;return b instanceof Date?c=b:"string"==typeof b?c=d.dataTimeFormat(d.config.data_xFormat).parse(b):"number"!=typeof b&&isNaN(b)||(c=new Date(+b)),(!c||isNaN(+c))&&a.console.error("Failed to parse x '"+b+"' to Date object"),c},i.isTabVisible=function(){var a;return"undefined"!=typeof document.hidden?a="hidden":"undefined"!=typeof document.mozHidden?a="mozHidden":"undefined"!=typeof document.msHidden?a="msHidden":"undefined"!=typeof document.webkitHidden&&(a="webkitHidden"),document[a]?!1:!0},i.getDefaultConfig=function(){var a={bindto:"#chart",size_width:void 0,size_height:void 0,padding_left:void 0,padding_right:void 0,padding_top:void 0,padding_bottom:void 0,resize_auto:!0,zoom_enabled:!1,zoom_extent:void 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0,data_rows:void 0,data_columns:void 0,data_mimeType:void 0,data_keys:void 0,data_empty_label_text:"",subchart_show:!1,subchart_size_height:60,subchart_axis_x_show:!0,subchart_onbrush:function(){},color_pattern:[],color_threshold:{},legend_show:!0,legend_hide:!1,legend_position:"bottom",legend_inset_anchor:"top-left",legend_inset_x:10,legend_inset_y:0,legend_inset_step:void 0,legend_item_onclick:void 0,legend_item_onmouseover:void 0,legend_item_onmouseout:void 0,legend_equally:!1,legend_padding:0,legend_item_tile_width:10,legend_item_tile_height:10,axis_rotated:!1,axis_x_show:!0,axis_x_type:"indexed",axis_x_localtime:!0,axis_x_categories:[],axis_x_tick_centered:!1,axis_x_tick_format:void 0,axis_x_tick_culling:{},axis_x_tick_culling_max:10,axis_x_tick_count:void 0,axis_x_tick_fit:!0,axis_x_tick_values:null,axis_x_tick_rotate:0,axis_x_tick_outer:!0,axis_x_tick_multiline:!0,axis_x_tick_width:null,axis_x_max:void 0,axis_x_min:void 0,axis_x_padding:{},axis_x_height:void 0,axis_x_extent:void 0,axis_x_label:{},axis_y_show:!0,axis_y_type:void 0,axis_y_max:void 0,axis_y_min:void 0,axis_y_inverted:!1,axis_y_center:void 0,axis_y_inner:void 0,axis_y_label:{},axis_y_tick_format:void 0,axis_y_tick_outer:!0,axis_y_tick_values:null,axis_y_tick_count:void 0,axis_y_tick_time_value:void 0,axis_y_tick_time_interval:void 0,axis_y_padding:{},axis_y_default:void 0,axis_y2_show:!1,axis_y2_max:void 0,axis_y2_min:void 0,axis_y2_inverted:!1,axis_y2_center:void 0,axis_y2_inner:void 0,axis_y2_label:{},axis_y2_tick_format:void 0,axis_y2_tick_outer:!0,axis_y2_tick_values:null,axis_y2_tick_count:void 0,axis_y2_padding:{},axis_y2_default:void 0,grid_x_show:!1,grid_x_type:"tick",grid_x_lines:[],grid_y_show:!1,grid_y_lines:[],grid_y_ticks:10,grid_focus_show:!0,grid_lines_front:!0,point_show:!0,point_r:2.5,point_sensitivity:10,point_focus_expand_enabled:!0,point_focus_expand_r:void 0,point_select_r:void 0,line_connectNull:!1,line_step_type:"step",bar_width:void 0,bar_width_ratio:.6,bar_width_max:void 0,bar_zerobased:!0,area_zerobased:!0,pie_label_show:!0,pie_label_format:void 0,pie_label_threshold:.05,pie_expand:{},pie_expand_duration:50,gauge_label_show:!0,gauge_label_format:void 0,gauge_min:0,gauge_max:100,gauge_units:void 0,gauge_width:void 0,gauge_expand:{},gauge_expand_duration:50,donut_label_show:!0,donut_label_format:void 0,donut_label_threshold:.05,donut_width:void 0,donut_title:"",donut_expand:{},donut_expand_duration:50,regions:[],tooltip_show:!0,tooltip_grouped:!0,tooltip_format_title:void 0,tooltip_format_name:void 0,tooltip_format_value:void 0,tooltip_position:void 0,tooltip_contents:function(a,b,c,d){return this.getTooltipContent?this.getTooltipContent(a,b,c,d):""},tooltip_init_show:!1,tooltip_init_x:0,tooltip_init_position:{top:"0px",left:"50px"},tooltip_onshow:function(){},tooltip_onhide:function(){},title_text:void 0,title_padding:{top:0,right:0,bottom:0,left:0},title_position:"top-center"};return Object.keys(this.additionalConfig).forEach(function(b){a[b]=this.additionalConfig[b]},this),a},i.additionalConfig={},i.loadConfig=function(a){function b(){var a=d.shift();return a&&c&&"object"==typeof c&&a in c?(c=c[a],b()):a?void 0:c}var c,d,e,f=this.config;Object.keys(f).forEach(function(g){c=a,d=g.split("_"),e=b(),q(e)&&(f[g]=e)})},i.getScale=function(a,b,c){return(c?this.d3.time.scale():this.d3.scale.linear()).range([a,b])},i.getX=function(a,b,c,d){var e,f=this,g=f.getScale(a,b,f.isTimeSeries()),h=c?g.domain(c):g;f.isCategorized()?(d=d||function(){return 0},g=function(a,b){var c=h(a)+d(a);return b?c:Math.ceil(c)}):g=function(a,b){var c=h(a);return b?c:Math.ceil(c)};for(e in h)g[e]=h[e];return g.orgDomain=function(){return h.domain()},f.isCategorized()&&(g.domain=function(a){return arguments.length?(h.domain(a),g):(a=this.orgDomain(),[a[0],a[1]+1])}),g},i.getY=function(a,b,c){var d=this.getScale(a,b,this.isTimeSeriesY());return c&&d.domain(c),d},i.getYScale=function(a){return"y2"===this.axis.getId(a)?this.y2:this.y},i.getSubYScale=function(a){return"y2"===this.axis.getId(a)?this.subY2:this.subY},i.updateScales=function(){var a=this,b=a.config,c=!a.x;a.xMin=b.axis_rotated?1:0,a.xMax=b.axis_rotated?a.height:a.width,a.yMin=b.axis_rotated?0:a.height,a.yMax=b.axis_rotated?a.width:1,a.subXMin=a.xMin,a.subXMax=a.xMax,a.subYMin=b.axis_rotated?0:a.height2,a.subYMax=b.axis_rotated?a.width2:1,a.x=a.getX(a.xMin,a.xMax,c?void 0:a.x.orgDomain(),function(){return a.xAxis.tickOffset()}),a.y=a.getY(a.yMin,a.yMax,c?b.axis_y_default:a.y.domain()),a.y2=a.getY(a.yMin,a.yMax,c?b.axis_y2_default:a.y2.domain()),a.subX=a.getX(a.xMin,a.xMax,a.orgXDomain,function(b){return 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b,c,d,e,f,g,h=this,i=h.config,j=h.mapToIds(a),k=h.getValuesAsIdKeyed(a);if(i.data_groups.length>0)for(g=h.hasNegativeValueInTargets(a),b=0;b<i.data_groups.length;b++)if(e=i.data_groups[b].filter(function(a){return j.indexOf(a)>=0}),0!==e.length)for(d=e[0],g&&k[d]&&k[d].forEach(function(a,b){k[d][b]=0>a?a:0}),c=1;c<e.length;c++)f=e[c],k[f]&&k[f].forEach(function(a,b){h.axis.getId(f)!==h.axis.getId(d)||!k[d]||g&&+a>0||(k[d][b]+=+a)});return h.d3.min(Object.keys(k).map(function(a){return h.d3.min(k[a])}))},i.getYDomainMax=function(a){var b,c,d,e,f,g,h=this,i=h.config,j=h.mapToIds(a),k=h.getValuesAsIdKeyed(a);if(i.data_groups.length>0)for(g=h.hasPositiveValueInTargets(a),b=0;b<i.data_groups.length;b++)if(e=i.data_groups[b].filter(function(a){return j.indexOf(a)>=0}),0!==e.length)for(d=e[0],g&&k[d]&&k[d].forEach(function(a,b){k[d][b]=a>0?a:0}),c=1;c<e.length;c++)f=e[c],k[f]&&k[f].forEach(function(a,b){h.axis.getId(f)!==h.axis.getId(d)||!k[d]||g&&0>+a||(k[d][b]+=+a)});return h.d3.max(Object.keys(k).map(function(a){return h.d3.max(k[a])}))},i.getYDomain=function(a,b,c){var d,e,f,g,h,i,j,k,l,n,o,p=this,q=p.config,r=a.filter(function(a){return p.axis.getId(a.id)===b}),s=c?p.filterByXDomain(r,c):r,u="y2"===b?q.axis_y2_min:q.axis_y_min,w="y2"===b?q.axis_y2_max:q.axis_y_max,x=p.getYDomainMin(s),y=p.getYDomainMax(s),z="y2"===b?q.axis_y2_center:q.axis_y_center,A=p.hasType("bar",s)&&q.bar_zerobased||p.hasType("area",s)&&q.area_zerobased,B="y2"===b?q.axis_y2_inverted:q.axis_y_inverted,C=p.hasDataLabel()&&q.axis_rotated,D=p.hasDataLabel()&&!q.axis_rotated;return x=m(u)?u:m(w)?w>x?x:w-10:x,y=m(w)?w:m(u)?y>u?y:u+10:y,0===s.length?"y2"===b?p.y2.domain():p.y.domain():(isNaN(x)&&(x=0),isNaN(y)&&(y=x),x===y&&(0>x?y=0:x=0),n=x>=0&&y>=0,o=0>=x&&0>=y,(m(u)&&n||m(w)&&o)&&(A=!1),A&&(n&&(x=0),o&&(y=0)),e=Math.abs(y-x),f=g=h=.1*e,"undefined"!=typeof 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a,b,f=c.filterTargetsToShow(c.data.targets);c.hasArcType(f)||(a=d.mouse(this),b=c.findClosestFromTargets(f,a),b&&(c.isBarType(b.id)||c.dist(b,a)<e.point_sensitivity)&&c.main.selectAll("."+l.shapes+c.getTargetSelectorSuffix(b.id)).selectAll("."+l.shape+"-"+b.index).each(function(){(e.data_selection_grouped||c.isWithinShape(this,b))&&(c.toggleShape(this,b,b.index),c.config.data_onclick.call(c.api,b,this))}))}).call(e.data_selection_draggable&&c.drag?d.behavior.drag().origin(Object).on("drag",function(){c.drag(d.mouse(this))}).on("dragstart",function(){c.dragstart(d.mouse(this))}).on("dragend",function(){c.dragend()}):function(){})},i.dispatchEvent=function(b,c,d){var e=this,f="."+l.eventRect+(e.isMultipleX()?"":"-"+c),g=e.main.select(f).node(),h=g.getBoundingClientRect(),i=h.left+(d?d[0]:0),j=h.top+(d?d[1]:0),k=document.createEvent("MouseEvents");k.initMouseEvent(b,!0,!0,a,0,i,j,i,j,!1,!1,!1,!1,0,null),g.dispatchEvent(k)},i.getCurrentWidth=function(){var a=this,b=a.config;return 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b.orgAreaOpacity=+c.select(this).style("opacity"),0}),b.mainArea.style("opacity",b.orgAreaOpacity),b.mainArea.exit().transition().duration(a).style("opacity",0).remove()},i.redrawArea=function(a,b){return[(b?this.mainArea.transition():this.mainArea).attr("d",a).style("fill",this.color).style("opacity",this.orgAreaOpacity)]},i.generateDrawArea=function(a,b){var c=this,d=c.config,e=c.d3.svg.area(),f=c.generateGetAreaPoints(a,b),g=b?c.getSubYScale:c.getYScale,h=function(a){return(b?c.subxx:c.xx).call(c,a)},i=function(a,b){return d.data_groups.length>0?f(a,b)[0][1]:g.call(c,a.id)(c.getAreaBaseValue(a.id))},j=function(a,b){return d.data_groups.length>0?f(a,b)[1][1]:g.call(c,a.id)(a.value)};return e=d.axis_rotated?e.x0(i).x1(j).y(h):e.x(h).y0(i).y1(j),d.line_connectNull||(e=e.defined(function(a){return null!==a.value})),function(a){var b,f=d.line_connectNull?c.filterRemoveNull(a.values):a.values,g=0,h=0;return 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c=this;return(b?c.main.selectAll("."+l.circles+c.getTargetSelectorSuffix(b)):c.main).selectAll("."+l.circle+(m(a)?"-"+a:""))},i.expandCircles=function(a,b,c){var d=this,e=d.pointExpandedR.bind(d);c&&d.unexpandCircles(),d.getCircles(a,b).classed(l.EXPANDED,!0).attr("r",e)},i.unexpandCircles=function(a){var b=this,c=b.pointR.bind(b);b.getCircles(a).filter(function(){return b.d3.select(this).classed(l.EXPANDED)}).classed(l.EXPANDED,!1).attr("r",c)},i.pointR=function(a){var b=this,c=b.config;return b.isStepType(a)?0:n(c.point_r)?c.point_r(a):c.point_r},i.pointExpandedR=function(a){var b=this,c=b.config;return c.point_focus_expand_enabled?c.point_focus_expand_r?c.point_focus_expand_r:1.75*b.pointR(a):b.pointR(a)},i.pointSelectR=function(a){var b=this,c=b.config;return c.point_select_r?c.point_select_r:4*b.pointR(a)},i.isWithinCircle=function(a,b){var c=this.d3,d=c.mouse(a),e=c.select(a),f=+e.attr("cx"),g=+e.attr("cy");return 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d,e=this.d3.select("body").append("div").classed("c3",!0),f=e.append("svg").style("visibility","hidden").style("position","fixed").style("top",0).style("left",0),g=this.d3.select(c).style("font");return f.selectAll(".dummy").data([a]).enter().append("text").classed(b?b:"",!0).style("font",g).text(a).each(function(){d=this.getBoundingClientRect()}),e.remove(),d},i.generateXYForText=function(a,b,c,d){var e=this,f=e.generateGetAreaPoints(a,!1),g=e.generateGetBarPoints(b,!1),h=e.generateGetLinePoints(c,!1),i=d?e.getXForText:e.getYForText;return function(a,b){var c=e.isAreaType(a)?f:e.isBarType(a)?g:h;return i.call(e,c(a,b),a,this)}},i.getXForText=function(a,b,c){var d,e,f=this,g=c.getBoundingClientRect();return f.config.axis_rotated?(e=f.isBarType(b)?4:6,d=a[2][1]+e*(b.value<0?-1:1)):d=f.hasType("bar")?(a[2][0]+a[0][0])/2:a[0][0],null===b.value&&(d>f.width?d=f.width-g.width:0>d&&(d=4)),d},i.getYForText=function(a,b,c){var d,e=this,f=c.getBoundingClientRect();return 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b=this.config,c=o(a)?a:a.id;return!b.data_types[c]||["line","spline","area","area-spline","step","area-step"].indexOf(b.data_types[c])>=0},i.isStepType=function(a){var b=o(a)?a:a.id;return["step","area-step"].indexOf(this.config.data_types[b])>=0},i.isSplineType=function(a){var b=o(a)?a:a.id;return["spline","area-spline"].indexOf(this.config.data_types[b])>=0},i.isAreaType=function(a){var b=o(a)?a:a.id;return["area","area-spline","area-step"].indexOf(this.config.data_types[b])>=0},i.isBarType=function(a){var b=o(a)?a:a.id;return"bar"===this.config.data_types[b]},i.isScatterType=function(a){var b=o(a)?a:a.id;return"scatter"===this.config.data_types[b]},i.isPieType=function(a){var b=o(a)?a:a.id;return"pie"===this.config.data_types[b]},i.isGaugeType=function(a){var b=o(a)?a:a.id;return"gauge"===this.config.data_types[b]},i.isDonutType=function(a){var b=o(a)?a:a.id;return"donut"===this.config.data_types[b]},i.isArcType=function(a){return this.isPieType(a)||this.isDonutType(a)||this.isGaugeType(a)},i.lineData=function(a){return this.isLineType(a)?[a]:[]},i.arcData=function(a){return this.isArcType(a.data)?[a]:[]},i.barData=function(a){return this.isBarType(a)?a.values:[]},i.lineOrScatterData=function(a){return this.isLineType(a)||this.isScatterType(a)?a.values:[]},i.barOrLineData=function(a){return this.isBarType(a)||this.isLineType(a)?a.values:[]},i.initGrid=function(){var a=this,b=a.config,c=a.d3;a.grid=a.main.append("g").attr("clip-path",a.clipPathForGrid).attr("class",l.grid),b.grid_x_show&&a.grid.append("g").attr("class",l.xgrids),b.grid_y_show&&a.grid.append("g").attr("class",l.ygrids),b.grid_focus_show&&a.grid.append("g").attr("class",l.xgridFocus).append("line").attr("class",l.xgridFocus),a.xgrid=c.selectAll([]),b.grid_lines_front||a.initGridLines()},i.initGridLines=function(){var a=this,b=a.d3;a.gridLines=a.main.append("g").attr("clip-path",a.clipPathForGrid).attr("class",l.grid+" 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a=this,b=a.config,c=a.yAxis.tickValues()||a.y.ticks(b.grid_y_ticks);a.ygrid=a.main.select("."+l.ygrids).selectAll("."+l.ygrid).data(c),a.ygrid.enter().append("line").attr("class",l.ygrid),a.ygrid.attr("x1",b.axis_rotated?a.y:0).attr("x2",b.axis_rotated?a.y:a.width).attr("y1",b.axis_rotated?0:a.y).attr("y2",b.axis_rotated?a.height:a.y),a.ygrid.exit().remove(),a.smoothLines(a.ygrid,"grid")},i.gridTextAnchor=function(a){return a.position?a.position:"end"},i.gridTextDx=function(a){return"start"===a.position?4:"middle"===a.position?0:-4},i.xGridTextX=function(a){return"start"===a.position?-this.height:"middle"===a.position?-this.height/2:0},i.yGridTextX=function(a){return"start"===a.position?0:"middle"===a.position?this.width/2:this.width},i.updateGrid=function(a){var b,c,d,e=this,f=e.main,g=e.config;e.grid.style("visibility",e.hasArcType()?"hidden":"visible"),f.select("line."+l.xgridFocus).style("visibility","hidden"),g.grid_x_show&&e.updateXGrid(),e.xgridLines=f.select("."+l.xgridLines).selectAll("."+l.xgridLine).data(g.grid_x_lines),b=e.xgridLines.enter().append("g").attr("class",function(a){return l.xgridLine+(a["class"]?" 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b=this,c=b.config,d=b.xv.bind(b),e=b.xgridLines.select("line"),f=b.xgridLines.select("text");return[(a?e.transition():e).attr("x1",c.axis_rotated?0:d).attr("x2",c.axis_rotated?b.width:d).attr("y1",c.axis_rotated?d:0).attr("y2",c.axis_rotated?d:b.height).style("opacity",1),(a?f.transition():f).attr("x",c.axis_rotated?b.yGridTextX.bind(b):b.xGridTextX.bind(b)).attr("y",d).text(function(a){return a.text}).style("opacity",1)]},i.showXGridFocus=function(a){var b=this,c=b.config,d=a.filter(function(a){return a&&m(a.value)}),e=b.main.selectAll("line."+l.xgridFocus),f=b.xx.bind(b);c.tooltip_show&&(b.hasType("scatter")||b.hasArcType()||(e.style("visibility","visible").data([d[0]]).attr(c.axis_rotated?"y1":"x1",f).attr(c.axis_rotated?"y2":"x2",f),b.smoothLines(e,"grid")))},i.hideXGridFocus=function(){this.main.select("line."+l.xgridFocus).style("visibility","hidden")},i.updateXgridFocus=function(){var 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e,f,g,h,i,j=this,k=j.config,l=j.d3,m=j.hasArcType(),n=l.mouse(d);return m?(f=(j.width-(j.isLegendRight?j.getLegendWidth():0))/2+n[0],h=j.height/2+n[1]+20):(e=j.getSvgLeft(!0),k.axis_rotated?(f=e+n[0]+100,g=f+b,i=j.currentWidth-j.getCurrentPaddingRight(),h=j.x(a[0].x)+20):(f=e+j.getCurrentPaddingLeft(!0)+j.x(a[0].x)+20,g=f+b,i=e+j.currentWidth-j.getCurrentPaddingRight(),h=n[1]+15),g>i&&(f-=g-i+20),h+c>j.currentHeight&&(h-=c+30)),0>h&&(h=0),{top:h,left:f}},i.showTooltip=function(a,b){var c,d,e,f=this,g=f.config,h=f.hasArcType(),j=a.filter(function(a){return 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a=d.indexOf("right")>=0?b.currentWidth-b.getTextRect(b.title.node().textContent,b.CLASS.title,b.title.node()).width-c.title_padding.right:d.indexOf("center")>=0?(b.currentWidth-b.getTextRect(b.title.node().textContent,b.CLASS.title,b.title.node()).width)/2:c.title_padding.left},i.yForTitle=function(){var a=this;return a.config.title_padding.top+a.getTextRect(a.title.node().textContent,a.CLASS.title,a.title.node()).height},i.getTitlePadding=function(){var a=this;return a.yForTitle()+a.config.title_padding.bottom},c(b,f),f.prototype.init=function(){var a=this.owner,b=a.config,c=a.main;a.axes.x=c.append("g").attr("class",l.axis+" "+l.axisX).attr("clip-path",a.clipPathForXAxis).attr("transform",a.getTranslate("x")).style("visibility",b.axis_x_show?"visible":"hidden"),a.axes.x.append("text").attr("class",l.axisXLabel).attr("transform",b.axis_rotated?"rotate(-90)":"").style("text-anchor",this.textAnchorForXAxisLabel.bind(this)),a.axes.y=c.append("g").attr("class",l.axis+" 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0>a?a.toFixed(0):a};return b.axis_x_tick_format&&(n(b.axis_x_tick_format)?c=b.axis_x_tick_format:a.isTimeSeries()&&(c=function(c){return c?a.axisTimeFormat(b.axis_x_tick_format)(c):""})),n(c)?function(b){return c.call(a,b)}:c},f.prototype.getTickValues=function(a,b){return a?a:b?b.tickValues():void 0},f.prototype.getXAxisTickValues=function(){return this.getTickValues(this.owner.config.axis_x_tick_values,this.owner.xAxis)},f.prototype.getYAxisTickValues=function(){return this.getTickValues(this.owner.config.axis_y_tick_values,this.owner.yAxis)},f.prototype.getY2AxisTickValues=function(){return this.getTickValues(this.owner.config.axis_y2_tick_values,this.owner.y2Axis)},f.prototype.getLabelOptionByAxisId=function(a){var b,c=this.owner,d=c.config;return"y"===a?b=d.axis_y_label:"y2"===a?b=d.axis_y2_label:"x"===a&&(b=d.axis_x_label),b},f.prototype.getLabelText=function(a){var b=this.getLabelOptionByAxisId(a);return o(b)?b:b?b.text:null},f.prototype.setLabelText=function(a,b){var c=this.owner,d=c.config,e=this.getLabelOptionByAxisId(a);o(e)?"y"===a?d.axis_y_label=b:"y2"===a?d.axis_y2_label=b:"x"===a&&(d.axis_x_label=b):e&&(e.text=b)},f.prototype.getLabelPosition=function(a,b){var c=this.getLabelOptionByAxisId(a),d=c&&"object"==typeof c&&c.position?c.position:b;return{isInner:d.indexOf("inner")>=0,isOuter:d.indexOf("outer")>=0,isLeft:d.indexOf("left")>=0,isCenter:d.indexOf("center")>=0,isRight:d.indexOf("right")>=0,isTop:d.indexOf("top")>=0,isMiddle:d.indexOf("middle")>=0,isBottom:d.indexOf("bottom")>=0}},f.prototype.getXAxisLabelPosition=function(){return this.getLabelPosition("x",this.owner.config.axis_rotated?"inner-top":"inner-right")},f.prototype.getYAxisLabelPosition=function(){return this.getLabelPosition("y",this.owner.config.axis_rotated?"inner-right":"inner-top")},f.prototype.getY2AxisLabelPosition=function(){return this.getLabelPosition("y2",this.owner.config.axis_rotated?"inner-right":"inner-top")},f.prototype.getLabelPositionById=function(a){return"y2"===a?this.getY2AxisLabelPosition():"y"===a?this.getYAxisLabelPosition():this.getXAxisLabelPosition()},f.prototype.textForXAxisLabel=function(){return this.getLabelText("x")},f.prototype.textForYAxisLabel=function(){return this.getLabelText("y")},f.prototype.textForY2AxisLabel=function(){return this.getLabelText("y2")},f.prototype.xForAxisLabel=function(a,b){var c=this.owner;return a?b.isLeft?0:b.isCenter?c.width/2:c.width:b.isBottom?-c.height:b.isMiddle?-c.height/2:0},f.prototype.dxForAxisLabel=function(a,b){return a?b.isLeft?"0.5em":b.isRight?"-0.5em":"0":b.isTop?"-0.5em":b.isBottom?"0.5em":"0"},f.prototype.textAnchorForAxisLabel=function(a,b){return a?b.isLeft?"start":b.isCenter?"middle":"end":b.isBottom?"start":b.isMiddle?"middle":"end"},f.prototype.xForXAxisLabel=function(){return this.xForAxisLabel(!this.owner.config.axis_rotated,this.getXAxisLabelPosition())},f.prototype.xForYAxisLabel=function(){return this.xForAxisLabel(this.owner.config.axis_rotated,this.getYAxisLabelPosition())},f.prototype.xForY2AxisLabel=function(){return this.xForAxisLabel(this.owner.config.axis_rotated,this.getY2AxisLabelPosition())},f.prototype.dxForXAxisLabel=function(){return this.dxForAxisLabel(!this.owner.config.axis_rotated,this.getXAxisLabelPosition())},f.prototype.dxForYAxisLabel=function(){return this.dxForAxisLabel(this.owner.config.axis_rotated,this.getYAxisLabelPosition())},f.prototype.dxForY2AxisLabel=function(){return this.dxForAxisLabel(this.owner.config.axis_rotated,this.getY2AxisLabelPosition())},f.prototype.dyForXAxisLabel=function(){var a=this.owner,b=a.config,c=this.getXAxisLabelPosition();return b.axis_rotated?c.isInner?"1.2em":-25-this.getMaxTickWidth("x"):c.isInner?"-0.5em":b.axis_x_height?b.axis_x_height-10:"3em"},f.prototype.dyForYAxisLabel=function(){var a=this.owner,b=this.getYAxisLabelPosition();return a.config.axis_rotated?b.isInner?"-0.5em":"3em":b.isInner?"1.2em":-10-(a.config.axis_y_inner?0:this.getMaxTickWidth("y")+10)},f.prototype.dyForY2AxisLabel=function(){var a=this.owner,b=this.getY2AxisLabelPosition();return a.config.axis_rotated?b.isInner?"1.2em":"-2.2em":b.isInner?"-0.5em":15+(a.config.axis_y2_inner?0:this.getMaxTickWidth("y2")+15)},f.prototype.textAnchorForXAxisLabel=function(){var a=this.owner;return this.textAnchorForAxisLabel(!a.config.axis_rotated,this.getXAxisLabelPosition())},f.prototype.textAnchorForYAxisLabel=function(){var a=this.owner;return this.textAnchorForAxisLabel(a.config.axis_rotated,this.getYAxisLabelPosition())},f.prototype.textAnchorForY2AxisLabel=function(){var a=this.owner;return this.textAnchorForAxisLabel(a.config.axis_rotated,this.getY2AxisLabelPosition())},f.prototype.getMaxTickWidth=function(a,b){var c,d,e,f,g,h=this.owner,i=h.config,j=0;return b&&h.currentMaxTickWidths[a]?h.currentMaxTickWidths[a]:(h.svg&&(c=h.filterTargetsToShow(h.data.targets),"y"===a?(d=h.y.copy().domain(h.getYDomain(c,"y")),e=this.getYAxis(d,h.yOrient,i.axis_y_tick_format,h.yAxisTickValues,!1,!0)):"y2"===a?(d=h.y2.copy().domain(h.getYDomain(c,"y2")),e=this.getYAxis(d,h.y2Orient,i.axis_y2_tick_format,h.y2AxisTickValues,!1,!0)):(d=h.x.copy().domain(h.getXDomain(c)),e=this.getXAxis(d,h.xOrient,h.xAxisTickFormat,h.xAxisTickValues,!1,!0,!0),this.updateXAxisTickValues(c,e)),f=h.d3.select("body").append("div").classed("c3",!0),g=f.append("svg").style("visibility","hidden").style("position","fixed").style("top",0).style("left",0),g.append("g").call(e).each(function(){h.d3.select(this).selectAll("text").each(function(){var a=this.getBoundingClientRect();j<a.width&&(j=a.width)}),f.remove()})),h.currentMaxTickWidths[a]=0>=j?h.currentMaxTickWidths[a]:j,h.currentMaxTickWidths[a])},f.prototype.updateLabels=function(a){var b=this.owner,c=b.main.select("."+l.axisX+" ."+l.axisXLabel),d=b.main.select("."+l.axisY+" ."+l.axisYLabel),e=b.main.select("."+l.axisY2+" ."+l.axisY2Label);(a?c.transition():c).attr("x",this.xForXAxisLabel.bind(this)).attr("dx",this.dxForXAxisLabel.bind(this)).attr("dy",this.dyForXAxisLabel.bind(this)).text(this.textForXAxisLabel.bind(this)),(a?d.transition():d).attr("x",this.xForYAxisLabel.bind(this)).attr("dx",this.dxForYAxisLabel.bind(this)).attr("dy",this.dyForYAxisLabel.bind(this)).text(this.textForYAxisLabel.bind(this)),(a?e.transition():e).attr("x",this.xForY2AxisLabel.bind(this)).attr("dx",this.dxForY2AxisLabel.bind(this)).attr("dy",this.dyForY2AxisLabel.bind(this)).text(this.textForY2AxisLabel.bind(this))},f.prototype.getPadding=function(a,b,c,d){var e="number"==typeof a?a:a[b];return m(e)?"ratio"===a.unit?a[b]*d:this.convertPixelsToAxisPadding(e,d):c},f.prototype.convertPixelsToAxisPadding=function(a,b){var c=this.owner,d=c.config.axis_rotated?c.width:c.height;return b*(a/d)},f.prototype.generateTickValues=function(a,b,c){var d,e,f,g,h,i,j,k=a;if(b)if(d=n(b)?b():b,1===d)k=[a[0]];else if(2===d)k=[a[0],a[a.length-1]];else if(d>2){for(g=d-2,e=a[0],f=a[a.length-1],h=(f-e)/(g+1),k=[e],i=0;g>i;i++)j=+e+h*(i+1),k.push(c?new Date(j):j);k.push(f)}return c||(k=k.sort(function(a,b){return a-b})),k},f.prototype.generateTransitions=function(a){var b=this.owner,c=b.axes;return{axisX:a?c.x.transition().duration(a):c.x,axisY:a?c.y.transition().duration(a):c.y,axisY2:a?c.y2.transition().duration(a):c.y2,axisSubX:a?c.subx.transition().duration(a):c.subx}
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a.getAxisClipY(a.config.axis_rotated)},i.getAxisClipWidth=function(a){var b=this,c=Math.max(30,b.margin.left),d=Math.max(30,b.margin.right);return a?b.width+2+c+d:b.margin.left+20},i.getAxisClipHeight=function(a){return(a?this.margin.bottom:this.margin.top+this.height)+20},i.getXAxisClipWidth=function(){var a=this;return a.getAxisClipWidth(!a.config.axis_rotated)},i.getXAxisClipHeight=function(){var a=this;return a.getAxisClipHeight(!a.config.axis_rotated)},i.getYAxisClipWidth=function(){var a=this;return a.getAxisClipWidth(a.config.axis_rotated)+(a.config.axis_y_inner?20:0)},i.getYAxisClipHeight=function(){var a=this;return a.getAxisClipHeight(a.config.axis_rotated)},i.initPie=function(){var a=this,b=a.d3,c=a.config;a.pie=b.layout.pie().value(function(a){return a.values.reduce(function(a,b){return a+b.value},0)}),c.data_order||a.pie.sort(null)},i.updateRadius=function(){var a=this,b=a.config,c=b.gauge_width||b.donut_width;a.radiusExpanded=Math.min(a.arcWidth,a.arcHeight)/2,a.radius=.95*a.radiusExpanded,a.innerRadiusRatio=c?(a.radius-c)/a.radius:.6,a.innerRadius=a.hasType("donut")||a.hasType("gauge")?a.radius*a.innerRadiusRatio:0},i.updateArc=function(){var a=this;a.svgArc=a.getSvgArc(),a.svgArcExpanded=a.getSvgArcExpanded(),a.svgArcExpandedSub=a.getSvgArcExpanded(.98)},i.updateAngle=function(a){var b,c,d=this,e=d.config,f=!1,g=0,h=e.gauge_min,i=e.gauge_max;return d.pie(d.filterTargetsToShow(d.data.targets)).forEach(function(b){f||b.data.id!==a.data.id||(f=!0,a=b,a.index=g),g++}),isNaN(a.startAngle)&&(a.startAngle=0),isNaN(a.endAngle)&&(a.endAngle=a.startAngle),d.isGaugeType(a.data)&&(b=Math.PI/(i-h),c=a.value<h?0:a.value<i?a.value-h:i-h,a.startAngle=-1*(Math.PI/2),a.endAngle=a.startAngle+b*c),f?a:null},i.getSvgArc=function(){var a=this,b=a.d3.svg.arc().outerRadius(a.radius).innerRadius(a.innerRadius),c=function(c,d){var e;return d?b(c):(e=a.updateAngle(c),e?b(e):"M 0 0")};return c.centroid=b.centroid,c},i.getSvgArcExpanded=function(a){var b=this,c=b.d3.svg.arc().outerRadius(b.radiusExpanded*(a?a:1)).innerRadius(b.innerRadius);return function(a){var d=b.updateAngle(a);return d?c(d):"M 0 0"}},i.getArc=function(a,b,c){return c||this.isArcType(a.data)?this.svgArc(a,b):"M 0 0"},i.transformForArcLabel=function(a){var b,c,d,e,f,g=this,h=g.updateAngle(a),i="";return h&&!g.hasType("gauge")&&(b=this.svgArc.centroid(h),c=isNaN(b[0])?0:b[0],d=isNaN(b[1])?0:b[1],e=Math.sqrt(c*c+d*d),f=g.radius&&e?(36/g.radius>.375?1.175-36/g.radius:.8)*g.radius/e:0,i="translate("+c*f+","+d*f+")"),i},i.getArcRatio=function(a){var b=this,c=b.hasType("gauge")?Math.PI:2*Math.PI;return a?(a.endAngle-a.startAngle)/c:null},i.convertToArcData=function(a){return this.addName({id:a.data.id,value:a.value,ratio:this.getArcRatio(a),index:a.index})},i.textForArcLabel=function(a){var b,c,d,e,f,g=this;return g.shouldShowArcLabel()?(b=g.updateAngle(a),c=b?b.value:null,d=g.getArcRatio(b),e=a.data.id,g.hasType("gauge")||g.meetsArcLabelThreshold(d)?(f=g.getArcLabelFormat(),f?f(c,d,e):g.defaultArcValueFormat(c,d)):""):""},i.expandArc=function(b){var c,d=this;return d.transiting?void(c=a.setInterval(function(){d.transiting||(a.clearInterval(c),d.legend.selectAll(".c3-legend-item-focused").size()>0&&d.expandArc(b))},10)):(b=d.mapToTargetIds(b),void d.svg.selectAll(d.selectorTargets(b,"."+l.chartArc)).each(function(a){d.shouldExpand(a.data.id)&&d.d3.select(this).selectAll("path").transition().duration(d.expandDuration(a.data.id)).attr("d",d.svgArcExpanded).transition().duration(2*d.expandDuration(a.data.id)).attr("d",d.svgArcExpandedSub).each(function(a){d.isDonutType(a.data)})}))},i.unexpandArc=function(a){var b=this;b.transiting||(a=b.mapToTargetIds(a),b.svg.selectAll(b.selectorTargets(a,"."+l.chartArc)).selectAll("path").transition().duration(function(a){return b.expandDuration(a.data.id)}).attr("d",b.svgArc),b.svg.selectAll("."+l.arc).style("opacity",1))},i.expandDuration=function(a){var b=this,c=b.config;return b.isDonutType(a)?c.donut_expand_duration:b.isGaugeType(a)?c.gauge_expand_duration:b.isPieType(a)?c.pie_expand_duration:50},i.shouldExpand=function(a){var b=this,c=b.config;return b.isDonutType(a)&&c.donut_expand||b.isGaugeType(a)&&c.gauge_expand||b.isPieType(a)&&c.pie_expand},i.shouldShowArcLabel=function(){var a=this,b=a.config,c=!0;return a.hasType("donut")?c=b.donut_label_show:a.hasType("pie")&&(c=b.pie_label_show),c},i.meetsArcLabelThreshold=function(a){var b=this,c=b.config,d=b.hasType("donut")?c.donut_label_threshold:c.pie_label_threshold;return a>=d},i.getArcLabelFormat=function(){var a=this,b=a.config,c=b.pie_label_format;return a.hasType("gauge")?c=b.gauge_label_format:a.hasType("donut")&&(c=b.donut_label_format),c},i.getArcTitle=function(){var a=this;return a.hasType("donut")?a.config.donut_title:""},i.updateTargetsForArc=function(a){var b,c,d=this,e=d.main,f=d.classChartArc.bind(d),g=d.classArcs.bind(d),h=d.classFocus.bind(d);b=e.select("."+l.chartArcs).selectAll("."+l.chartArc).data(d.pie(a)).attr("class",function(a){return f(a)+h(a.data)}),c=b.enter().append("g").attr("class",f),c.append("g").attr("class",g),c.append("text").attr("dy",d.hasType("gauge")?"-.1em":".35em").style("opacity",0).style("text-anchor","middle").style("pointer-events","none")},i.initArc=function(){var a=this;a.arcs=a.main.select("."+l.chart).append("g").attr("class",l.chartArcs).attr("transform",a.getTranslate("arc")),a.arcs.append("text").attr("class",l.chartArcsTitle).style("text-anchor","middle").text(a.getArcTitle())},i.redrawArc=function(a,b,c){var d,e=this,f=e.d3,g=e.config,h=e.main;d=h.selectAll("."+l.arcs).selectAll("."+l.arc).data(e.arcData.bind(e)),d.enter().append("path").attr("class",e.classArc.bind(e)).style("fill",function(a){return e.color(a.data)}).style("cursor",function(a){return g.interaction_enabled&&g.data_selection_isselectable(a)?"pointer":null}).style("opacity",0).each(function(a){e.isGaugeType(a.data)&&(a.startAngle=a.endAngle=-1*(Math.PI/2)),this._current=a}),d.attr("transform",function(a){return!e.isGaugeType(a.data)&&c?"scale(0)":""}).style("opacity",function(a){return a===this._current?0:1}).on("mouseover",g.interaction_enabled?function(a){var b,c;e.transiting||(b=e.updateAngle(a),b&&(c=e.convertToArcData(b),e.expandArc(b.data.id),e.api.focus(b.data.id),e.toggleFocusLegend(b.data.id,!0),e.config.data_onmouseover(c,this)))}:null).on("mousemove",g.interaction_enabled?function(a){var b,c,d=e.updateAngle(a);d&&(b=e.convertToArcData(d),c=[b],e.showTooltip(c,this))}:null).on("mouseout",g.interaction_enabled?function(a){var b,c;e.transiting||(b=e.updateAngle(a),b&&(c=e.convertToArcData(b),e.unexpandArc(b.data.id),e.api.revert(),e.revertLegend(),e.hideTooltip(),e.config.data_onmouseout(c,this)))}:null).on("click",g.interaction_enabled?function(a,b){var c,d=e.updateAngle(a);d&&(c=e.convertToArcData(d),e.toggleShape&&e.toggleShape(this,c,b),e.config.data_onclick.call(e.api,c,this))}:null).each(function(){e.transiting=!0}).transition().duration(a).attrTween("d",function(a){var b,c=e.updateAngle(a);return c?(isNaN(this._current.startAngle)&&(this._current.startAngle=0),isNaN(this._current.endAngle)&&(this._current.endAngle=this._current.startAngle),b=f.interpolate(this._current,c),this._current=b(0),function(c){var d=b(c);return d.data=a.data,e.getArc(d,!0)}):function(){return"M 0 0"}}).attr("transform",c?"scale(1)":"").style("fill",function(a){return e.levelColor?e.levelColor(a.data.values[0].value):e.color(a.data.id)}).style("opacity",1).call(e.endall,function(){e.transiting=!1}),d.exit().transition().duration(b).style("opacity",0).remove(),h.selectAll("."+l.chartArc).select("text").style("opacity",0).attr("class",function(a){return e.isGaugeType(a.data)?l.gaugeValue:""}).text(e.textForArcLabel.bind(e)).attr("transform",e.transformForArcLabel.bind(e)).style("font-size",function(a){return e.isGaugeType(a.data)?Math.round(e.radius/5)+"px":""}).transition().duration(a).style("opacity",function(a){return e.isTargetToShow(a.data.id)&&e.isArcType(a.data)?1:0}),h.select("."+l.chartArcsTitle).style("opacity",e.hasType("donut")||e.hasType("gauge")?1:0),e.hasType("gauge")&&(e.arcs.select("."+l.chartArcsBackground).attr("d",function(){var a={data:[{value:g.gauge_max}],startAngle:-1*(Math.PI/2),endAngle:Math.PI/2};return e.getArc(a,!0,!0)}),e.arcs.select("."+l.chartArcsGaugeUnit).attr("dy",".75em").text(g.gauge_label_show?g.gauge_units:""),e.arcs.select("."+l.chartArcsGaugeMin).attr("dx",-1*(e.innerRadius+(e.radius-e.innerRadius)/2)+"px").attr("dy","1.2em").text(g.gauge_label_show?g.gauge_min:""),e.arcs.select("."+l.chartArcsGaugeMax).attr("dx",e.innerRadius+(e.radius-e.innerRadius)/2+"px").attr("dy","1.2em").text(g.gauge_label_show?g.gauge_max:""))},i.initGauge=function(){var a=this.arcs;this.hasType("gauge")&&(a.append("path").attr("class",l.chartArcsBackground),a.append("text").attr("class",l.chartArcsGaugeUnit).style("text-anchor","middle").style("pointer-events","none"),a.append("text").attr("class",l.chartArcsGaugeMin).style("text-anchor","middle").style("pointer-events","none"),a.append("text").attr("class",l.chartArcsGaugeMax).style("text-anchor","middle").style("pointer-events","none"))},i.getGaugeLabelHeight=function(){return this.config.gauge_label_show?20:0},i.initRegion=function(){var a=this;a.region=a.main.append("g").attr("clip-path",a.clipPath).attr("class",l.regions)},i.updateRegion=function(a){var b=this,c=b.config;b.region.style("visibility",b.hasArcType()?"hidden":"visible"),b.mainRegion=b.main.select("."+l.regions).selectAll("."+l.region).data(c.regions),b.mainRegion.enter().append("g").attr("class",b.classRegion.bind(b)).append("rect").style("fill-opacity",0),b.mainRegion.exit().transition().duration(a).style("opacity",0).remove()},i.redrawRegion=function(a){var b=this,c=b.mainRegion.selectAll("rect"),d=b.regionX.bind(b),e=b.regionY.bind(b),f=b.regionWidth.bind(b),g=b.regionHeight.bind(b);return[(a?c.transition():c).attr("x",d).attr("y",e).attr("width",f).attr("height",g).style("fill-opacity",function(a){return m(a.opacity)?a.opacity:.1})]},i.regionX=function(a){var b,c=this,d=c.config,e="y"===a.axis?c.y:c.y2;return b="y"===a.axis||"y2"===a.axis?d.axis_rotated&&"start"in a?e(a.start):0:d.axis_rotated?0:"start"in a?c.x(c.isTimeSeries()?c.parseDate(a.start):a.start):0},i.regionY=function(a){var b,c=this,d=c.config,e="y"===a.axis?c.y:c.y2;return b="y"===a.axis||"y2"===a.axis?d.axis_rotated?0:"end"in a?e(a.end):0:d.axis_rotated&&"start"in a?c.x(c.isTimeSeries()?c.parseDate(a.start):a.start):0},i.regionWidth=function(a){var b,c=this,d=c.config,e=c.regionX(a),f="y"===a.axis?c.y:c.y2;return b="y"===a.axis||"y2"===a.axis?d.axis_rotated&&"end"in a?f(a.end):c.width:d.axis_rotated?c.width:"end"in a?c.x(c.isTimeSeries()?c.parseDate(a.end):a.end):c.width,e>b?0:b-e},i.regionHeight=function(a){var b,c=this,d=c.config,e=this.regionY(a),f="y"===a.axis?c.y:c.y2;return b="y"===a.axis||"y2"===a.axis?d.axis_rotated?c.height:"start"in a?f(a.start):c.height:d.axis_rotated&&"end"in a?c.x(c.isTimeSeries()?c.parseDate(a.end):a.end):c.height,e>b?0:b-e},i.isRegionOnX=function(a){return!a.axis||"x"===a.axis},i.drag=function(a){var b,c,d,e,f,g,h,i,j=this,k=j.config,m=j.main,n=j.d3;j.hasArcType()||k.data_selection_enabled&&(!k.zoom_enabled||j.zoom.altDomain)&&k.data_selection_multiple&&(b=j.dragStart[0],c=j.dragStart[1],d=a[0],e=a[1],f=Math.min(b,d),g=Math.max(b,d),h=k.data_selection_grouped?j.margin.top:Math.min(c,e),i=k.data_selection_grouped?j.height:Math.max(c,e),m.select("."+l.dragarea).attr("x",f).attr("y",h).attr("width",g-f).attr("height",i-h),m.selectAll("."+l.shapes).selectAll("."+l.shape).filter(function(a){return k.data_selection_isselectable(a)}).each(function(a,b){var c,d,e,k,m,o,p=n.select(this),q=p.classed(l.SELECTED),r=p.classed(l.INCLUDED),s=!1;if(p.classed(l.circle))c=1*p.attr("cx"),d=1*p.attr("cy"),m=j.togglePoint,s=c>f&&g>c&&d>h&&i>d;else{if(!p.classed(l.bar))return;o=y(this),c=o.x,d=o.y,e=o.width,k=o.height,m=j.togglePath,s=!(c>g||f>c+e||d>i||h>d+k)}s^r&&(p.classed(l.INCLUDED,!r),p.classed(l.SELECTED,!q),m.call(j,!q,p,a,b))}))},i.dragstart=function(a){var b=this,c=b.config;b.hasArcType()||c.data_selection_enabled&&(b.dragStart=a,b.main.select("."+l.chart).append("rect").attr("class",l.dragarea).style("opacity",.1),b.dragging=!0)},i.dragend=function(){var a=this,b=a.config;a.hasArcType()||b.data_selection_enabled&&(a.main.select("."+l.dragarea).transition().duration(100).style("opacity",0).remove(),a.main.selectAll("."+l.shape).classed(l.INCLUDED,!1),a.dragging=!1)},i.selectPoint=function(a,b,c){var d=this,e=d.config,f=(e.axis_rotated?d.circleY:d.circleX).bind(d),g=(e.axis_rotated?d.circleX:d.circleY).bind(d),h=d.pointSelectR.bind(d);e.data_onselected.call(d.api,b,a.node()),d.main.select("."+l.selectedCircles+d.getTargetSelectorSuffix(b.id)).selectAll("."+l.selectedCircle+"-"+c).data([b]).enter().append("circle").attr("class",function(){return d.generateClass(l.selectedCircle,c)}).attr("cx",f).attr("cy",g).attr("stroke",function(){return d.color(b)}).attr("r",function(a){return 1.4*d.pointSelectR(a)}).transition().duration(100).attr("r",h)},i.unselectPoint=function(a,b,c){var d=this;d.config.data_onunselected.call(d.api,b,a.node()),d.main.select("."+l.selectedCircles+d.getTargetSelectorSuffix(b.id)).selectAll("."+l.selectedCircle+"-"+c).transition().duration(100).attr("r",0).remove()},i.togglePoint=function(a,b,c,d){a?this.selectPoint(b,c,d):this.unselectPoint(b,c,d)},i.selectPath=function(a,b){var c=this;c.config.data_onselected.call(c,b,a.node()),a.transition().duration(100).style("fill",function(){return c.d3.rgb(c.color(b)).brighter(.75)})},i.unselectPath=function(a,b){var c=this;c.config.data_onunselected.call(c,b,a.node()),a.transition().duration(100).style("fill",function(){return c.color(b)})},i.togglePath=function(a,b,c,d){a?this.selectPath(b,c,d):this.unselectPath(b,c,d)},i.getToggle=function(a,b){var c,d=this;return"circle"===a.nodeName?c=d.isStepType(b)?function(){}:d.togglePoint:"path"===a.nodeName&&(c=d.togglePath),c},i.toggleShape=function(a,b,c){var d=this,e=d.d3,f=d.config,g=e.select(a),h=g.classed(l.SELECTED),i=d.getToggle(a,b).bind(d);f.data_selection_enabled&&f.data_selection_isselectable(b)&&(f.data_selection_multiple||d.main.selectAll("."+l.shapes+(f.data_selection_grouped?d.getTargetSelectorSuffix(b.id):"")).selectAll("."+l.shape).each(function(a,b){var c=e.select(this);c.classed(l.SELECTED)&&i(!1,c.classed(l.SELECTED,!1),a,b)}),g.classed(l.SELECTED,!h),i(!h,g,b,c))},i.initBrush=function(){var a=this,b=a.d3;a.brush=b.svg.brush().on("brush",function(){a.redrawForBrush()}),a.brush.update=function(){return a.context&&a.context.select("."+l.brush).call(this),this},a.brush.scale=function(b){return a.config.axis_rotated?this.y(b):this.x(b)}},i.initSubchart=function(){var a=this,b=a.config,c=a.context=a.svg.append("g").attr("transform",a.getTranslate("context")),d=b.subchart_show?"visible":"hidden";c.style("visibility",d),c.append("g").attr("clip-path",a.clipPathForSubchart).attr("class",l.chart),c.select("."+l.chart).append("g").attr("class",l.chartBars),c.select("."+l.chart).append("g").attr("class",l.chartLines),c.append("g").attr("clip-path",a.clipPath).attr("class",l.brush).call(a.brush),a.axes.subx=c.append("g").attr("class",l.axisX).attr("transform",a.getTranslate("subx")).attr("clip-path",b.axis_rotated?"":a.clipPathForXAxis).style("visibility",b.subchart_axis_x_show?d:"hidden")},i.updateTargetsForSubchart=function(a){var b,c,d,e,f=this,g=f.context,h=f.config,i=f.classChartBar.bind(f),j=f.classBars.bind(f),k=f.classChartLine.bind(f),m=f.classLines.bind(f),n=f.classAreas.bind(f);h.subchart_show&&(e=g.select("."+l.chartBars).selectAll("."+l.chartBar).data(a).attr("class",i),d=e.enter().append("g").style("opacity",0).attr("class",i),d.append("g").attr("class",j),c=g.select("."+l.chartLines).selectAll("."+l.chartLine).data(a).attr("class",k),b=c.enter().append("g").style("opacity",0).attr("class",k),b.append("g").attr("class",m),b.append("g").attr("class",n),g.selectAll("."+l.brush+" rect").attr(h.axis_rotated?"width":"height",h.axis_rotated?f.width2:f.height2))},i.updateBarForSubchart=function(a){var b=this;b.contextBar=b.context.selectAll("."+l.bars).selectAll("."+l.bar).data(b.barData.bind(b)),b.contextBar.enter().append("path").attr("class",b.classBar.bind(b)).style("stroke","none").style("fill",b.color),b.contextBar.style("opacity",b.initialOpacity.bind(b)),b.contextBar.exit().transition().duration(a).style("opacity",0).remove()},i.redrawBarForSubchart=function(a,b,c){(b?this.contextBar.transition().duration(c):this.contextBar).attr("d",a).style("opacity",1)},i.updateLineForSubchart=function(a){var b=this;b.contextLine=b.context.selectAll("."+l.lines).selectAll("."+l.line).data(b.lineData.bind(b)),b.contextLine.enter().append("path").attr("class",b.classLine.bind(b)).style("stroke",b.color),b.contextLine.style("opacity",b.initialOpacity.bind(b)),b.contextLine.exit().transition().duration(a).style("opacity",0).remove()},i.redrawLineForSubchart=function(a,b,c){(b?this.contextLine.transition().duration(c):this.contextLine).attr("d",a).style("opacity",1)},i.updateAreaForSubchart=function(a){var b=this,c=b.d3;b.contextArea=b.context.selectAll("."+l.areas).selectAll("."+l.area).data(b.lineData.bind(b)),b.contextArea.enter().append("path").attr("class",b.classArea.bind(b)).style("fill",b.color).style("opacity",function(){return b.orgAreaOpacity=+c.select(this).style("opacity"),0}),b.contextArea.style("opacity",0),b.contextArea.exit().transition().duration(a).style("opacity",0).remove()},i.redrawAreaForSubchart=function(a,b,c){(b?this.contextArea.transition().duration(c):this.contextArea).attr("d",a).style("fill",this.color).style("opacity",this.orgAreaOpacity)},i.redrawSubchart=function(a,b,c,d,e,f,g){var h,i,j,k=this,l=k.d3,m=k.config;k.context.style("visibility",m.subchart_show?"visible":"hidden"),m.subchart_show&&(l.event&&"zoom"===l.event.type&&k.brush.extent(k.x.orgDomain()).update(),a&&(k.brush.empty()||k.brush.extent(k.x.orgDomain()).update(),h=k.generateDrawArea(e,!0),i=k.generateDrawBar(f,!0),j=k.generateDrawLine(g,!0),k.updateBarForSubchart(c),k.updateLineForSubchart(c),k.updateAreaForSubchart(c),k.redrawBarForSubchart(i,c,c),k.redrawLineForSubchart(j,c,c),k.redrawAreaForSubchart(h,c,c)))},i.redrawForBrush=function(){var a=this,b=a.x;a.redraw({withTransition:!1,withY:a.config.zoom_rescale,withSubchart:!1,withUpdateXDomain:!0,withDimension:!1}),a.config.subchart_onbrush.call(a.api,b.orgDomain())},i.transformContext=function(a,b){var c,d=this;b&&b.axisSubX?c=b.axisSubX:(c=d.context.select("."+l.axisX),a&&(c=c.transition())),d.context.attr("transform",d.getTranslate("context")),c.attr("transform",d.getTranslate("subx"))},i.getDefaultExtent=function(){var a=this,b=a.config,c=n(b.axis_x_extent)?b.axis_x_extent(a.getXDomain(a.data.targets)):b.axis_x_extent;return a.isTimeSeries()&&(c=[a.parseDate(c[0]),a.parseDate(c[1])]),c},i.initZoom=function(){var a,b=this,c=b.d3,d=b.config;b.zoom=c.behavior.zoom().on("zoomstart",function(){a=c.event.sourceEvent,b.zoom.altDomain=c.event.sourceEvent.altKey?b.x.orgDomain():null,d.zoom_onzoomstart.call(b.api,c.event.sourceEvent)}).on("zoom",function(){b.redrawForZoom.call(b)}).on("zoomend",function(){var e=c.event.sourceEvent;e&&a.clientX===e.clientX&&a.clientY===e.clientY||(b.redrawEventRect(),b.updateZoom(),d.zoom_onzoomend.call(b.api,b.x.orgDomain()))}),b.zoom.scale=function(a){return d.axis_rotated?this.y(a):this.x(a)},b.zoom.orgScaleExtent=function(){var a=d.zoom_extent?d.zoom_extent:[1,10];return[a[0],Math.max(b.getMaxDataCount()/a[1],a[1])]},b.zoom.updateScaleExtent=function(){var a=t(b.x.orgDomain())/t(b.getZoomDomain()),c=this.orgScaleExtent();return this.scaleExtent([c[0]*a,c[1]*a]),this}},i.getZoomDomain=function(){var a=this,b=a.config,c=a.d3,d=c.min([a.orgXDomain[0],b.zoom_x_min]),e=c.max([a.orgXDomain[1],b.zoom_x_max]);return[d,e]},i.updateZoom=function(){var a=this,b=a.config.zoom_enabled?a.zoom:function(){};a.main.select("."+l.zoomRect).call(b).on("dblclick.zoom",null),a.main.selectAll("."+l.eventRect).call(b).on("dblclick.zoom",null)},i.redrawForZoom=function(){var a=this,b=a.d3,c=a.config,d=a.zoom,e=a.x;if(c.zoom_enabled&&0!==a.filterTargetsToShow(a.data.targets).length){if("mousemove"===b.event.sourceEvent.type&&d.altDomain)return e.domain(d.altDomain),void d.scale(e).updateScaleExtent();a.isCategorized()&&e.orgDomain()[0]===a.orgXDomain[0]&&e.domain([a.orgXDomain[0]-1e-10,e.orgDomain()[1]]),a.redraw({withTransition:!1,withY:c.zoom_rescale,withSubchart:!1,withEventRect:!1,withDimension:!1}),"mousemove"===b.event.sourceEvent.type&&(a.cancelClick=!0),c.zoom_onzoom.call(a.api,e.orgDomain())}},i.generateColor=function(){var a=this,b=a.config,c=a.d3,d=b.data_colors,e=v(b.color_pattern)?b.color_pattern:c.scale.category10().range(),f=b.data_color,g=[];return function(a){var b,c=a.id||a.data&&a.data.id||a;return d[c]instanceof Function?b=d[c](a):d[c]?b=d[c]:(g.indexOf(c)<0&&g.push(c),b=e[g.indexOf(c)%e.length],d[c]=b),f instanceof Function?f(b,a):b}},i.generateLevelColor=function(){var a=this,b=a.config,c=b.color_pattern,d=b.color_threshold,e="value"===d.unit,f=d.values&&d.values.length?d.values:[],g=d.max||100;return v(b.color_threshold)?function(a){var b,d,h=c[c.length-1];for(b=0;b<f.length;b++)if(d=e?a:100*a/g,d<f[b]){h=c[b];break}return h}:null},i.getYFormat=function(a){var b=this,c=a&&!b.hasType("gauge")?b.defaultArcValueFormat:b.yFormat,d=a&&!b.hasType("gauge")?b.defaultArcValueFormat:b.y2Format;return function(a,e,f){var g="y2"===b.axis.getId(f)?d:c;return g.call(b,a,e)}},i.yFormat=function(a){var b=this,c=b.config,d=c.axis_y_tick_format?c.axis_y_tick_format:b.defaultValueFormat;return d(a)},i.y2Format=function(a){var b=this,c=b.config,d=c.axis_y2_tick_format?c.axis_y2_tick_format:b.defaultValueFormat;return d(a)},i.defaultValueFormat=function(a){return m(a)?+a:""},i.defaultArcValueFormat=function(a,b){return(100*b).toFixed(1)+"%"},i.dataLabelFormat=function(a){var b,c=this,d=c.config.data_labels,e=function(a){return m(a)?+a:""};return b="function"==typeof 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l=i.CLASS={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_"};i.generateClass=function(a,b){return" 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l.chartBar+this.classTarget(a.id)},i.classChartArc=function(a){return l.chartArc+this.classTarget(a.data.id)},i.getTargetSelectorSuffix=function(a){return a||0===a?("-"+a).replace(/[\s?!@#$%^&*()_=+,.<>'":;\[\]\/|~`{}\\]/g,"-"):""},i.selectorTarget=function(a,b){return(b||"")+"."+l.target+this.getTargetSelectorSuffix(a)},i.selectorTargets=function(a,b){var c=this;return a=a||[],a.length?a.map(function(a){return c.selectorTarget(a,b)}):null},i.selectorLegend=function(a){return"."+l.legendItem+this.getTargetSelectorSuffix(a)},i.selectorLegends=function(a){var b=this;return a&&a.length?a.map(function(a){return b.selectorLegend(a)}):null};var m=i.isValue=function(a){return a||0===a},n=i.isFunction=function(a){return"function"==typeof a},o=i.isString=function(a){return"string"==typeof a},p=i.isUndefined=function(a){return"undefined"==typeof a},q=i.isDefined=function(a){return"undefined"!=typeof a},r=i.ceil10=function(a){return 10*Math.ceil(a/10)},s=i.asHalfPixel=function(a){return 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b,c=this.internal;a=c.mapToTargetIds(a),b=c.svg.selectAll(c.selectorTargets(a.filter(c.isTargetToShow,c))),b.classed(l.focused,!1).classed(l.defocused,!0),c.hasArcType()&&c.unexpandArc(a),c.toggleFocusLegend(a,!1),c.focusedTargetIds=c.focusedTargetIds.filter(function(b){return a.indexOf(b)<0}),c.defocusedTargetIds=a},h.revert=function(a){var b,c=this.internal;a=c.mapToTargetIds(a),b=c.svg.selectAll(c.selectorTargets(a)),b.classed(l.focused,!1).classed(l.defocused,!1),c.hasArcType()&&c.unexpandArc(a),c.config.legend_show&&(c.showLegend(a.filter(c.isLegendToShow.bind(c))),c.legend.selectAll(c.selectorLegends(a)).filter(function(){return c.d3.select(this).classed(l.legendItemFocused)}).classed(l.legendItemFocused,!1)),c.focusedTargetIds=[],c.defocusedTargetIds=[]},h.show=function(a,b){var c,d=this.internal;a=d.mapToTargetIds(a),b=b||{},d.removeHiddenTargetIds(a),c=d.svg.selectAll(d.selectorTargets(a)),c.transition().style("opacity",1,"important").call(d.endall,function(){c.style("opacity",null).style("opacity",1)}),b.withLegend&&d.showLegend(a),d.redraw({withUpdateOrgXDomain:!0,withUpdateXDomain:!0,withLegend:!0})},h.hide=function(a,b){var c,d=this.internal;a=d.mapToTargetIds(a),b=b||{},d.addHiddenTargetIds(a),c=d.svg.selectAll(d.selectorTargets(a)),c.transition().style("opacity",0,"important").call(d.endall,function(){c.style("opacity",null).style("opacity",0)}),b.withLegend&&d.hideLegend(a),d.redraw({withUpdateOrgXDomain:!0,withUpdateXDomain:!0,withLegend:!0})},h.toggle=function(a,b){var c=this,d=this.internal;d.mapToTargetIds(a).forEach(function(a){d.isTargetToShow(a)?c.hide(a,b):c.show(a,b)})},h.zoom=function(a){var b=this.internal;return a&&(b.isTimeSeries()&&(a=a.map(function(a){return b.parseDate(a)})),b.brush.extent(a),b.redraw({withUpdateXDomain:!0,withY:b.config.zoom_rescale}),b.config.zoom_onzoom.call(this,b.x.orgDomain())),b.brush.extent()},h.zoom.enable=function(a){var b=this.internal;b.config.zoom_enabled=a,b.updateAndRedraw()},h.unzoom=function(){var a=this.internal;a.brush.clear().update(),a.redraw({withUpdateXDomain:!0})},h.zoom.max=function(a){var b=this.internal,c=b.config,d=b.d3;return 0===a||a?void(c.zoom_x_max=d.max([b.orgXDomain[1],a])):c.zoom_x_max},h.zoom.min=function(a){var b=this.internal,c=b.config,d=b.d3;return 0===a||a?void(c.zoom_x_min=d.min([b.orgXDomain[0],a])):c.zoom_x_min},h.zoom.range=function(a){return arguments.length?(q(a.max)&&this.domain.max(a.max),void(q(a.min)&&this.domain.min(a.min))):{max:this.domain.max(),min:this.domain.min()}},h.load=function(a){var b=this.internal,c=b.config;return a.xs&&b.addXs(a.xs),"classes"in a&&Object.keys(a.classes).forEach(function(b){c.data_classes[b]=a.classes[b]}),"categories"in a&&b.isCategorized()&&(c.axis_x_categories=a.categories),"axes"in a&&Object.keys(a.axes).forEach(function(b){c.data_axes[b]=a.axes[b]
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c,d,e=!1;for(c=0;c<b.length;c++)if(a.id===b[c].id){for(e=!0,a.values[a.values.length-1]&&(o=a.values[a.values.length-1].index+1),n=b[c].values.length,d=0;n>d;d++)b[c].values[d].index=o+d,j.isTimeSeries()||(b[c].values[d].x=o+d);a.values=a.values.concat(b[c].values),b.splice(c,1);break}e||k.push(a.id)}),j.data.targets.forEach(function(a){var b,c;for(b=0;b<k.length;b++)if(a.id===k[b])for(o=a.values[a.values.length-1].index+1,c=0;n>c;c++)a.values.push({id:a.id,index:o+c,x:j.isTimeSeries()?j.getOtherTargetX(o+c):o+c,value:null})}),j.data.targets.length&&b.forEach(function(a){var b,c=[];for(b=j.data.targets[0].values[0].index;o>b;b++)c.push({id:a.id,index:b,x:j.isTimeSeries()?j.getOtherTargetX(b):b,value:null});a.values.forEach(function(a){a.index+=o,j.isTimeSeries()||(a.x+=o)}),a.values=c.concat(a.values)}),j.data.targets=j.data.targets.concat(b),d=j.getMaxDataCount(),f=j.data.targets[0],g=f.values[0],q(a.to)?(n=0,i=j.isTimeSeries()?j.parseDate(a.to):a.to,f.values.forEach(function(a){a.x<i&&n++})):q(a.length)&&(n=a.length),l?1===l&&j.isTimeSeries()&&(h=(f.values[f.values.length-1].x-g.x)/2,e=[new Date(+g.x-h),new Date(+g.x+h)],j.updateXDomain(null,!0,!0,!1,e)):(h=j.isTimeSeries()?f.values.length>1?f.values[f.values.length-1].x-g.x:g.x-j.getXDomain(j.data.targets)[0]:1,e=[g.x-h,g.x],j.updateXDomain(null,!0,!0,!1,e)),j.updateTargets(j.data.targets),j.redraw({flow:{index:g.index,length:n,duration:m(a.duration)?a.duration:j.config.transition_duration,done:a.done,orgDataCount:l},withLegend:!0,withTransition:l>1,withTrimXDomain:!1,withUpdateXAxis:!0})},i.generateFlow=function(a){var b=this,c=b.config,d=b.d3;return function(){var e,f,g,h=a.targets,i=a.flow,j=a.drawBar,k=a.drawLine,m=a.drawArea,n=a.cx,o=a.cy,p=a.xv,q=a.xForText,r=a.yForText,s=a.duration,u=1,v=i.index,w=i.length,x=b.getValueOnIndex(b.data.targets[0].values,v),y=b.getValueOnIndex(b.data.targets[0].values,v+w),z=b.x.domain(),A=i.duration||s,B=i.done||function(){},C=b.generateWait(),D=b.xgrid||d.selectAll([]),E=b.xgridLines||d.selectAll([]),F=b.mainRegion||d.selectAll([]),G=b.mainText||d.selectAll([]),H=b.mainBar||d.selectAll([]),I=b.mainLine||d.selectAll([]),J=b.mainArea||d.selectAll([]),K=b.mainCircle||d.selectAll([]);b.flowing=!0,b.data.targets.forEach(function(a){a.values.splice(0,w)}),g=b.updateXDomain(h,!0,!0),b.updateXGrid&&b.updateXGrid(!0),i.orgDataCount?e=1===i.orgDataCount||x.x===y.x?b.x(z[0])-b.x(g[0]):b.isTimeSeries()?b.x(z[0])-b.x(g[0]):b.x(x.x)-b.x(y.x):1!==b.data.targets[0].values.length?e=b.x(z[0])-b.x(g[0]):b.isTimeSeries()?(x=b.getValueOnIndex(b.data.targets[0].values,0),y=b.getValueOnIndex(b.data.targets[0].values,b.data.targets[0].values.length-1),e=b.x(x.x)-b.x(y.x)):e=t(g)/2,u=t(z)/t(g),f="translate("+e+",0) scale("+u+",1)",b.hideXGridFocus(),d.transition().ease("linear").duration(A).each(function(){C.add(b.axes.x.transition().call(b.xAxis)),C.add(H.transition().attr("transform",f)),C.add(I.transition().attr("transform",f)),C.add(J.transition().attr("transform",f)),C.add(K.transition().attr("transform",f)),C.add(G.transition().attr("transform",f)),C.add(F.filter(b.isRegionOnX).transition().attr("transform",f)),C.add(D.transition().attr("transform",f)),C.add(E.transition().attr("transform",f))}).call(C,function(){var 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b=this.internal,c=b.d3;return c.merge(b.main.selectAll("."+l.shapes+b.getTargetSelectorSuffix(a)).selectAll("."+l.shape).filter(function(){return c.select(this).classed(l.SELECTED)}).map(function(a){return a.map(function(a){var b=a.__data__;return b.data?b.data:b})}))},h.select=function(a,b,c){var d=this.internal,e=d.d3,f=d.config;f.data_selection_enabled&&d.main.selectAll("."+l.shapes).selectAll("."+l.shape).each(function(g,h){var i=e.select(this),j=g.data?g.data.id:g.id,k=d.getToggle(this,g).bind(d),m=f.data_selection_grouped||!a||a.indexOf(j)>=0,n=!b||b.indexOf(h)>=0,o=i.classed(l.SELECTED);i.classed(l.line)||i.classed(l.area)||(m&&n?f.data_selection_isselectable(g)&&!o&&k(!0,i.classed(l.SELECTED,!0),g,h):q(c)&&c&&o&&k(!1,i.classed(l.SELECTED,!1),g,h))})},h.unselect=function(a,b){var c=this.internal,d=c.d3,e=c.config;e.data_selection_enabled&&c.main.selectAll("."+l.shapes).selectAll("."+l.shape).each(function(f,g){var 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b,c,d=this,e=d.config;return"main"===a?(b=s(d.margin.left),c=s(d.margin.top)):"context"===a?(b=s(d.margin2.left),c=s(d.margin2.top)):"legend"===a?(b=d.margin3.left,c=d.margin3.top):"x"===a?(b=0,c=e.axis_rotated?0:d.height):"y"===a?(b=0,c=e.axis_rotated?d.height:0):"y2"===a?(b=e.axis_rotated?0:d.width,c=e.axis_rotated?1:0):"subx"===a?(b=0,c=e.axis_rotated?0:d.height2):"arc"===a&&(b=d.arcWidth/2,c=d.arcHeight/2),"translate("+b+","+c+")"},i.initialOpacity=function(a){return null!==a.value&&this.withoutFadeIn[a.id]?1:0},i.initialOpacityForCircle=function(a){return null!==a.value&&this.withoutFadeIn[a.id]?this.opacityForCircle(a):0},i.opacityForCircle=function(a){var b=this.config.point_show?1:0;return m(a.value)?this.isScatterType(a)?.5:b:0},i.opacityForText=function(){return this.hasDataLabel()?1:0},i.xx=function(a){return a?this.x(a.x):null},i.xv=function(a){var b=this,c=a.value;return b.isTimeSeries()?c=b.parseDate(a.value):b.isCategorized()&&"string"==typeof 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e=i.call(c,a.id)(0),j=h(a,b)||e,k=f(a),l=g(a);return d.axis_rotated&&(0<a.value&&e>l||a.value<0&&l>e)&&(l=e),[[k,l-(e-j)],[k,l-(e-j)],[k,l-(e-j)],[k,l-(e-j)]]}},i.lineWithRegions=function(a,b,c,d){function e(a,b){var c;for(c=0;c<b.length;c++)if(b[c].start<a&&a<=b[c].end)return!0;return!1}function f(a){return"M"+a[0][0]+" "+a[0][1]+" "+a[1][0]+" "+a[1][1]}var g,h,i,j,k,l,m,n,o,r,s,t,u=this,v=u.config,w=-1,x="M",y=u.isCategorized()?.5:0,z=[];if(q(d))for(g=0;g<d.length;g++)z[g]={},z[g].start=p(d[g].start)?a[0].x:u.isTimeSeries()?u.parseDate(d[g].start):d[g].start,z[g].end=p(d[g].end)?a[a.length-1].x:u.isTimeSeries()?u.parseDate(d[g].end):d[g].end;for(s=v.axis_rotated?function(a){return c(a.value)}:function(a){return b(a.x)},t=v.axis_rotated?function(a){return b(a.x)}:function(a){return c(a.value)},i=u.isTimeSeries()?function(a,d,e,g){var h,i=a.x.getTime(),j=d.x-a.x,l=new Date(i+j*e),m=new Date(i+j*(e+g));return h=v.axis_rotated?[[c(k(e)),b(l)],[c(k(e+g)),b(m)]]:[[b(l),c(k(e))],[b(m),c(k(e+g))]],f(h)}:function(a,d,e,g){var h;return h=v.axis_rotated?[[c(k(e),!0),b(j(e))],[c(k(e+g),!0),b(j(e+g))]]:[[b(j(e),!0),c(k(e))],[b(j(e+g),!0),c(k(e+g))]],f(h)},g=0;g<a.length;g++){if(p(z)||!e(a[g].x,z))x+=" "+s(a[g])+" "+t(a[g]);else for(j=u.getScale(a[g-1].x+y,a[g].x+y,u.isTimeSeries()),k=u.getScale(a[g-1].value,a[g].value),l=b(a[g].x)-b(a[g-1].x),m=c(a[g].value)-c(a[g-1].value),n=Math.sqrt(Math.pow(l,2)+Math.pow(m,2)),o=2/n,r=2*o,h=o;1>=h;h+=r)x+=i(a[g-1],a[g],h,o);w=a[g].x}return x},i.updateArea=function(a){var b=this,c=b.d3;b.mainArea=b.main.selectAll("."+l.areas).selectAll("."+l.area).data(b.lineData.bind(b)),b.mainArea.enter().append("path").attr("class",b.classArea.bind(b)).style("fill",b.color).style("opacity",function(){return b.orgAreaOpacity=+c.select(this).style("opacity"),0}),b.mainArea.style("opacity",b.orgAreaOpacity),b.mainArea.exit().transition().duration(a).style("opacity",0).remove()},i.redrawArea=function(a,b){return[(b?this.mainArea.transition():this.mainArea).attr("d",a).style("fill",this.color).style("opacity",this.orgAreaOpacity)]},i.generateDrawArea=function(a,b){var c=this,d=c.config,e=c.d3.svg.area(),f=c.generateGetAreaPoints(a,b),g=b?c.getSubYScale:c.getYScale,h=function(a){return(b?c.subxx:c.xx).call(c,a)},i=function(a,b){return d.data_groups.length>0?f(a,b)[0][1]:g.call(c,a.id)(c.getAreaBaseValue(a.id))},j=function(a,b){return d.data_groups.length>0?f(a,b)[1][1]:g.call(c,a.id)(a.value)};return e=d.axis_rotated?e.x0(i).x1(j).y(h):e.x(h).y0(i).y1(j),d.line_connectNull||(e=e.defined(function(a){return null!==a.value})),function(a){var b,f=d.line_connectNull?c.filterRemoveNull(a.values):a.values,g=0,h=0;return c.isAreaType(a)?(c.isStepType(a)&&(f=c.convertValuesToStep(f)),b=e.interpolate(c.getInterpolate(a))(f)):(f[0]&&(g=c.x(f[0].x),h=c.getYScale(a.id)(f[0].value)),b=d.axis_rotated?"M "+h+" "+g:"M "+g+" "+h),b?b:"M 0 0"}},i.getAreaBaseValue=function(){return 0},i.generateGetAreaPoints=function(a,b){var c=this,d=c.config,e=a.__max__+1,f=c.getShapeX(0,e,a,!!b),g=c.getShapeY(!!b),h=c.getShapeOffset(c.isAreaType,a,!!b),i=b?c.getSubYScale:c.getYScale;return function(a,b){var e=i.call(c,a.id)(0),j=h(a,b)||e,k=f(a),l=g(a);return d.axis_rotated&&(0<a.value&&e>l||a.value<0&&l>e)&&(l=e),[[k,j],[k,l-(e-j)],[k,l-(e-j)],[k,j]]}},i.updateCircle=function(){var a=this;a.mainCircle=a.main.selectAll("."+l.circles).selectAll("."+l.circle).data(a.lineOrScatterData.bind(a)),a.mainCircle.enter().append("circle").attr("class",a.classCircle.bind(a)).attr("r",a.pointR.bind(a)).style("fill",a.color),a.mainCircle.style("opacity",a.initialOpacityForCircle.bind(a)),a.mainCircle.exit().remove()},i.redrawCircle=function(a,b,c){var d=this.main.selectAll("."+l.selectedCircle);return[(c?this.mainCircle.transition():this.mainCircle).style("opacity",this.opacityForCircle.bind(this)).style("fill",this.color).attr("cx",a).attr("cy",b),(c?d.transition():d).attr("cx",a).attr("cy",b)]},i.circleX=function(a){return a.x||0===a.x?this.x(a.x):null},i.updateCircleY=function(){var a,b,c=this;c.config.data_groups.length>0?(a=c.getShapeIndices(c.isLineType),b=c.generateGetLinePoints(a),c.circleY=function(a,c){return b(a,c)[0][1]}):c.circleY=function(a){return c.getYScale(a.id)(a.value)}},i.getCircles=function(a,b){var c=this;return(b?c.main.selectAll("."+l.circles+c.getTargetSelectorSuffix(b)):c.main).selectAll("."+l.circle+(m(a)?"-"+a:""))},i.expandCircles=function(a,b,c){var d=this,e=d.pointExpandedR.bind(d);c&&d.unexpandCircles(),d.getCircles(a,b).classed(l.EXPANDED,!0).attr("r",e)},i.unexpandCircles=function(a){var b=this,c=b.pointR.bind(b);b.getCircles(a).filter(function(){return b.d3.select(this).classed(l.EXPANDED)}).classed(l.EXPANDED,!1).attr("r",c)},i.pointR=function(a){var b=this,c=b.config;return b.isStepType(a)?0:n(c.point_r)?c.point_r(a):c.point_r},i.pointExpandedR=function(a){var b=this,c=b.config;return c.point_focus_expand_enabled?c.point_focus_expand_r?c.point_focus_expand_r:1.75*b.pointR(a):b.pointR(a)},i.pointSelectR=function(a){var b=this,c=b.config;return c.point_select_r?c.point_select_r:4*b.pointR(a)},i.isWithinCircle=function(a,b){var c=this.d3,d=c.mouse(a),e=c.select(a),f=+e.attr("cx"),g=+e.attr("cy");return Math.sqrt(Math.pow(f-d[0],2)+Math.pow(g-d[1],2))<b},i.isWithinStep=function(a,b){return Math.abs(b-this.d3.mouse(a)[1])<30},i.initBar=function(){var a=this;a.main.select("."+l.chart).append("g").attr("class",l.chartBars)},i.updateTargetsForBar=function(a){var b,c,d=this,e=d.config,f=d.classChartBar.bind(d),g=d.classBars.bind(d),h=d.classFocus.bind(d);b=d.main.select("."+l.chartBars).selectAll("."+l.chartBar).data(a).attr("class",function(a){return f(a)+h(a)}),c=b.enter().append("g").attr("class",f).style("opacity",0).style("pointer-events","none"),c.append("g").attr("class",g).style("cursor",function(a){return e.data_selection_isselectable(a)?"pointer":null})},i.updateBar=function(a){var b=this,c=b.barData.bind(b),d=b.classBar.bind(b),e=b.initialOpacity.bind(b),f=function(a){return b.color(a.id)};b.mainBar=b.main.selectAll("."+l.bars).selectAll("."+l.bar).data(c),b.mainBar.enter().append("path").attr("class",d).style("stroke",f).style("fill",f),b.mainBar.style("opacity",e),b.mainBar.exit().transition().duration(a).style("opacity",0).remove()
+},i.redrawBar=function(a,b){return[(b?this.mainBar.transition():this.mainBar).attr("d",a).style("fill",this.color).style("opacity",1)]},i.getBarW=function(a,b){var c=this,d=c.config,e="number"==typeof d.bar_width?d.bar_width:b?a.tickInterval()*d.bar_width_ratio/b:0;return d.bar_width_max&&e>d.bar_width_max?d.bar_width_max:e},i.getBars=function(a,b){var c=this;return(b?c.main.selectAll("."+l.bars+c.getTargetSelectorSuffix(b)):c.main).selectAll("."+l.bar+(m(a)?"-"+a:""))},i.expandBars=function(a,b,c){var d=this;c&&d.unexpandBars(),d.getBars(a,b).classed(l.EXPANDED,!0)},i.unexpandBars=function(a){var b=this;b.getBars(a).classed(l.EXPANDED,!1)},i.generateDrawBar=function(a,b){var c=this,d=c.config,e=c.generateGetBarPoints(a,b);return function(a,b){var c=e(a,b),f=d.axis_rotated?1:0,g=d.axis_rotated?0:1,h="M "+c[0][f]+","+c[0][g]+" L"+c[1][f]+","+c[1][g]+" L"+c[2][f]+","+c[2][g]+" L"+c[3][f]+","+c[3][g]+" z";return h}},i.generateGetBarPoints=function(a,b){var c=this,d=b?c.subXAxis:c.xAxis,e=a.__max__+1,f=c.getBarW(d,e),g=c.getShapeX(f,e,a,!!b),h=c.getShapeY(!!b),i=c.getShapeOffset(c.isBarType,a,!!b),j=b?c.getSubYScale:c.getYScale;return function(a,b){var d=j.call(c,a.id)(0),e=i(a,b)||d,k=g(a),l=h(a);return c.config.axis_rotated&&(0<a.value&&d>l||a.value<0&&l>d)&&(l=d),[[k,e],[k,l-(d-e)],[k+f,l-(d-e)],[k+f,e]]}},i.isWithinBar=function(a){var b=this.d3.mouse(a),c=a.getBoundingClientRect(),d=a.pathSegList.getItem(0),e=a.pathSegList.getItem(1),f=Math.min(d.x,e.x),g=Math.min(d.y,e.y),h=c.width,i=c.height,j=2,k=f-j,l=f+h+j,m=g+i+j,n=g-j;return k<b[0]&&b[0]<l&&n<b[1]&&b[1]<m},i.initText=function(){var a=this;a.main.select("."+l.chart).append("g").attr("class",l.chartTexts),a.mainText=a.d3.selectAll([])},i.updateTargetsForText=function(a){var b,c,d=this,e=d.classChartText.bind(d),f=d.classTexts.bind(d),g=d.classFocus.bind(d);b=d.main.select("."+l.chartTexts).selectAll("."+l.chartText).data(a).attr("class",function(a){return e(a)+g(a)}),c=b.enter().append("g").attr("class",e).style("opacity",0).style("pointer-events","none"),c.append("g").attr("class",f)},i.updateText=function(a){var b=this,c=b.config,d=b.barOrLineData.bind(b),e=b.classText.bind(b);b.mainText=b.main.selectAll("."+l.texts).selectAll("."+l.text).data(d),b.mainText.enter().append("text").attr("class",e).attr("text-anchor",function(a){return c.axis_rotated?a.value<0?"end":"start":"middle"}).style("stroke","none").style("fill",function(a){return b.color(a)}).style("fill-opacity",0),b.mainText.text(function(a,c,d){return b.dataLabelFormat(a.id)(a.value,a.id,c,d)}),b.mainText.exit().transition().duration(a).style("fill-opacity",0).remove()},i.redrawText=function(a,b,c,d){return[(d?this.mainText.transition():this.mainText).attr("x",a).attr("y",b).style("fill",this.color).style("fill-opacity",c?0:this.opacityForText.bind(this))]},i.getTextRect=function(a,b,c){var d,e=this.d3.select("body").append("div").classed("c3",!0),f=e.append("svg").style("visibility","hidden").style("position","fixed").style("top",0).style("left",0),g=this.d3.select(c).style("font");return f.selectAll(".dummy").data([a]).enter().append("text").classed(b?b:"",!0).style("font",g).text(a).each(function(){d=this.getBoundingClientRect()}),e.remove(),d},i.generateXYForText=function(a,b,c,d){var e=this,f=e.generateGetAreaPoints(a,!1),g=e.generateGetBarPoints(b,!1),h=e.generateGetLinePoints(c,!1),i=d?e.getXForText:e.getYForText;return function(a,b){var c=e.isAreaType(a)?f:e.isBarType(a)?g:h;return i.call(e,c(a,b),a,this)}},i.getXForText=function(a,b,c){var d,e,f=this,g=c.getBoundingClientRect();return f.config.axis_rotated?(e=f.isBarType(b)?4:6,d=a[2][1]+e*(b.value<0?-1:1)):d=f.hasType("bar")?(a[2][0]+a[0][0])/2:a[0][0],null===b.value&&(d>f.width?d=f.width-g.width:0>d&&(d=4)),d},i.getYForText=function(a,b,c){var d,e=this,f=c.getBoundingClientRect();return e.config.axis_rotated?d=(a[0][0]+a[2][0]+.6*f.height)/2:(d=a[2][1],b.value<0||0===b.value&&!e.hasPositiveValue?(d+=f.height,e.isBarType(b)&&e.isSafari()?d-=3:!e.isBarType(b)&&e.isChrome()&&(d+=3)):d+=e.isBarType(b)?-3:-6),null!==b.value||e.config.axis_rotated||(d<f.height?d=f.height:d>this.height&&(d=this.height-4)),d},i.setTargetType=function(a,b){var c=this,d=c.config;c.mapToTargetIds(a).forEach(function(a){c.withoutFadeIn[a]=b===d.data_types[a],d.data_types[a]=b}),a||(d.data_type=b)},i.hasType=function(a,b){var c=this,d=c.config.data_types,e=!1;return b=b||c.data.targets,b&&b.length?b.forEach(function(b){var c=d[b.id];(c&&c.indexOf(a)>=0||!c&&"line"===a)&&(e=!0)}):Object.keys(d).length?Object.keys(d).forEach(function(b){d[b]===a&&(e=!0)}):e=c.config.data_type===a,e},i.hasArcType=function(a){return this.hasType("pie",a)||this.hasType("donut",a)||this.hasType("gauge",a)},i.isLineType=function(a){var b=this.config,c=o(a)?a:a.id;return!b.data_types[c]||["line","spline","area","area-spline","step","area-step"].indexOf(b.data_types[c])>=0},i.isStepType=function(a){var b=o(a)?a:a.id;return["step","area-step"].indexOf(this.config.data_types[b])>=0},i.isSplineType=function(a){var b=o(a)?a:a.id;return["spline","area-spline"].indexOf(this.config.data_types[b])>=0},i.isAreaType=function(a){var b=o(a)?a:a.id;return["area","area-spline","area-step"].indexOf(this.config.data_types[b])>=0},i.isBarType=function(a){var b=o(a)?a:a.id;return"bar"===this.config.data_types[b]},i.isScatterType=function(a){var b=o(a)?a:a.id;return"scatter"===this.config.data_types[b]},i.isPieType=function(a){var b=o(a)?a:a.id;return"pie"===this.config.data_types[b]},i.isGaugeType=function(a){var b=o(a)?a:a.id;return"gauge"===this.config.data_types[b]},i.isDonutType=function(a){var b=o(a)?a:a.id;return"donut"===this.config.data_types[b]},i.isArcType=function(a){return this.isPieType(a)||this.isDonutType(a)||this.isGaugeType(a)},i.lineData=function(a){return this.isLineType(a)?[a]:[]},i.arcData=function(a){return this.isArcType(a.data)?[a]:[]},i.barData=function(a){return this.isBarType(a)?a.values:[]},i.lineOrScatterData=function(a){return this.isLineType(a)||this.isScatterType(a)?a.values:[]},i.barOrLineData=function(a){return this.isBarType(a)||this.isLineType(a)?a.values:[]},i.isInterpolationType=function(a){return["linear","linear-closed","basis","basis-open","basis-closed","bundle","cardinal","cardinal-open","cardinal-closed","monotone"].indexOf(a)>=0},i.initGrid=function(){var a=this,b=a.config,c=a.d3;a.grid=a.main.append("g").attr("clip-path",a.clipPathForGrid).attr("class",l.grid),b.grid_x_show&&a.grid.append("g").attr("class",l.xgrids),b.grid_y_show&&a.grid.append("g").attr("class",l.ygrids),b.grid_focus_show&&a.grid.append("g").attr("class",l.xgridFocus).append("line").attr("class",l.xgridFocus),a.xgrid=c.selectAll([]),b.grid_lines_front||a.initGridLines()},i.initGridLines=function(){var a=this,b=a.d3;a.gridLines=a.main.append("g").attr("clip-path",a.clipPathForGrid).attr("class",l.grid+" "+l.gridLines),a.gridLines.append("g").attr("class",l.xgridLines),a.gridLines.append("g").attr("class",l.ygridLines),a.xgridLines=b.selectAll([])},i.updateXGrid=function(a){var b=this,c=b.config,d=b.d3,e=b.generateGridData(c.grid_x_type,b.x),f=b.isCategorized()?b.xAxis.tickOffset():0;b.xgridAttr=c.axis_rotated?{x1:0,x2:b.width,y1:function(a){return b.x(a)-f},y2:function(a){return b.x(a)-f}}:{x1:function(a){return b.x(a)+f},x2:function(a){return b.x(a)+f},y1:0,y2:b.height},b.xgrid=b.main.select("."+l.xgrids).selectAll("."+l.xgrid).data(e),b.xgrid.enter().append("line").attr("class",l.xgrid),a||b.xgrid.attr(b.xgridAttr).style("opacity",function(){return+d.select(this).attr(c.axis_rotated?"y1":"x1")===(c.axis_rotated?b.height:0)?0:1}),b.xgrid.exit().remove()},i.updateYGrid=function(){var a=this,b=a.config,c=a.yAxis.tickValues()||a.y.ticks(b.grid_y_ticks);a.ygrid=a.main.select("."+l.ygrids).selectAll("."+l.ygrid).data(c),a.ygrid.enter().append("line").attr("class",l.ygrid),a.ygrid.attr("x1",b.axis_rotated?a.y:0).attr("x2",b.axis_rotated?a.y:a.width).attr("y1",b.axis_rotated?0:a.y).attr("y2",b.axis_rotated?a.height:a.y),a.ygrid.exit().remove(),a.smoothLines(a.ygrid,"grid")},i.gridTextAnchor=function(a){return a.position?a.position:"end"},i.gridTextDx=function(a){return"start"===a.position?4:"middle"===a.position?0:-4},i.xGridTextX=function(a){return"start"===a.position?-this.height:"middle"===a.position?-this.height/2:0},i.yGridTextX=function(a){return"start"===a.position?0:"middle"===a.position?this.width/2:this.width},i.updateGrid=function(a){var b,c,d,e=this,f=e.main,g=e.config;e.grid.style("visibility",e.hasArcType()?"hidden":"visible"),f.select("line."+l.xgridFocus).style("visibility","hidden"),g.grid_x_show&&e.updateXGrid(),e.xgridLines=f.select("."+l.xgridLines).selectAll("."+l.xgridLine).data(g.grid_x_lines),b=e.xgridLines.enter().append("g").attr("class",function(a){return l.xgridLine+(a["class"]?" 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a=d.indexOf("right")>=0?b.currentWidth-b.getTextRect(b.title.node().textContent,b.CLASS.title,b.title.node()).width-c.title_padding.right:d.indexOf("center")>=0?(b.currentWidth-b.getTextRect(b.title.node().textContent,b.CLASS.title,b.title.node()).width)/2:c.title_padding.left},i.yForTitle=function(){var a=this;return a.config.title_padding.top+a.getTextRect(a.title.node().textContent,a.CLASS.title,a.title.node()).height},i.getTitlePadding=function(){var a=this;return a.yForTitle()+a.config.title_padding.bottom},c(b,f),f.prototype.init=function(){var a=this.owner,b=a.config,c=a.main;a.axes.x=c.append("g").attr("class",l.axis+" "+l.axisX).attr("clip-path",a.clipPathForXAxis).attr("transform",a.getTranslate("x")).style("visibility",b.axis_x_show?"visible":"hidden"),a.axes.x.append("text").attr("class",l.axisXLabel).attr("transform",b.axis_rotated?"rotate(-90)":"").style("text-anchor",this.textAnchorForXAxisLabel.bind(this)),a.axes.y=c.append("g").attr("class",l.axis+" 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0>a?a.toFixed(0):a};return b.axis_x_tick_format&&(n(b.axis_x_tick_format)?c=b.axis_x_tick_format:a.isTimeSeries()&&(c=function(c){return c?a.axisTimeFormat(b.axis_x_tick_format)(c):""})),n(c)?function(b){return c.call(a,b)}:c},f.prototype.getTickValues=function(a,b){return a?a:b?b.tickValues():void 0},f.prototype.getXAxisTickValues=function(){return this.getTickValues(this.owner.config.axis_x_tick_values,this.owner.xAxis)},f.prototype.getYAxisTickValues=function(){return this.getTickValues(this.owner.config.axis_y_tick_values,this.owner.yAxis)},f.prototype.getY2AxisTickValues=function(){return this.getTickValues(this.owner.config.axis_y2_tick_values,this.owner.y2Axis)},f.prototype.getLabelOptionByAxisId=function(a){var b,c=this.owner,d=c.config;return"y"===a?b=d.axis_y_label:"y2"===a?b=d.axis_y2_label:"x"===a&&(b=d.axis_x_label),b},f.prototype.getLabelText=function(a){var b=this.getLabelOptionByAxisId(a);return o(b)?b:b?b.text:null},f.prototype.setLabelText=function(a,b){var c=this.owner,d=c.config,e=this.getLabelOptionByAxisId(a);o(e)?"y"===a?d.axis_y_label=b:"y2"===a?d.axis_y2_label=b:"x"===a&&(d.axis_x_label=b):e&&(e.text=b)},f.prototype.getLabelPosition=function(a,b){var c=this.getLabelOptionByAxisId(a),d=c&&"object"==typeof c&&c.position?c.position:b;return{isInner:d.indexOf("inner")>=0,isOuter:d.indexOf("outer")>=0,isLeft:d.indexOf("left")>=0,isCenter:d.indexOf("center")>=0,isRight:d.indexOf("right")>=0,isTop:d.indexOf("top")>=0,isMiddle:d.indexOf("middle")>=0,isBottom:d.indexOf("bottom")>=0}},f.prototype.getXAxisLabelPosition=function(){return this.getLabelPosition("x",this.owner.config.axis_rotated?"inner-top":"inner-right")},f.prototype.getYAxisLabelPosition=function(){return this.getLabelPosition("y",this.owner.config.axis_rotated?"inner-right":"inner-top")},f.prototype.getY2AxisLabelPosition=function(){return this.getLabelPosition("y2",this.owner.config.axis_rotated?"inner-right":"inner-top")},f.prototype.getLabelPositionById=function(a){return"y2"===a?this.getY2AxisLabelPosition():"y"===a?this.getYAxisLabelPosition():this.getXAxisLabelPosition()},f.prototype.textForXAxisLabel=function(){return this.getLabelText("x")},f.prototype.textForYAxisLabel=function(){return this.getLabelText("y")},f.prototype.textForY2AxisLabel=function(){return this.getLabelText("y2")},f.prototype.xForAxisLabel=function(a,b){var c=this.owner;return a?b.isLeft?0:b.isCenter?c.width/2:c.width:b.isBottom?-c.height:b.isMiddle?-c.height/2:0},f.prototype.dxForAxisLabel=function(a,b){return a?b.isLeft?"0.5em":b.isRight?"-0.5em":"0":b.isTop?"-0.5em":b.isBottom?"0.5em":"0"},f.prototype.textAnchorForAxisLabel=function(a,b){return a?b.isLeft?"start":b.isCenter?"middle":"end":b.isBottom?"start":b.isMiddle?"middle":"end"},f.prototype.xForXAxisLabel=function(){return this.xForAxisLabel(!this.owner.config.axis_rotated,this.getXAxisLabelPosition())},f.prototype.xForYAxisLabel=function(){return this.xForAxisLabel(this.owner.config.axis_rotated,this.getYAxisLabelPosition())},f.prototype.xForY2AxisLabel=function(){return this.xForAxisLabel(this.owner.config.axis_rotated,this.getY2AxisLabelPosition())},f.prototype.dxForXAxisLabel=function(){return this.dxForAxisLabel(!this.owner.config.axis_rotated,this.getXAxisLabelPosition())},f.prototype.dxForYAxisLabel=function(){return this.dxForAxisLabel(this.owner.config.axis_rotated,this.getYAxisLabelPosition())},f.prototype.dxForY2AxisLabel=function(){return this.dxForAxisLabel(this.owner.config.axis_rotated,this.getY2AxisLabelPosition())},f.prototype.dyForXAxisLabel=function(){var a=this.owner,b=a.config,c=this.getXAxisLabelPosition();return b.axis_rotated?c.isInner?"1.2em":-25-this.getMaxTickWidth("x"):c.isInner?"-0.5em":b.axis_x_height?b.axis_x_height-10:"3em"},f.prototype.dyForYAxisLabel=function(){var a=this.owner,b=this.getYAxisLabelPosition();return a.config.axis_rotated?b.isInner?"-0.5em":"3em":b.isInner?"1.2em":-10-(a.config.axis_y_inner?0:this.getMaxTickWidth("y")+10)},f.prototype.dyForY2AxisLabel=function(){var a=this.owner,b=this.getY2AxisLabelPosition();return a.config.axis_rotated?b.isInner?"1.2em":"-2.2em":b.isInner?"-0.5em":15+(a.config.axis_y2_inner?0:this.getMaxTickWidth("y2")+15)},f.prototype.textAnchorForXAxisLabel=function(){var a=this.owner;return this.textAnchorForAxisLabel(!a.config.axis_rotated,this.getXAxisLabelPosition())},f.prototype.textAnchorForYAxisLabel=function(){var a=this.owner;return this.textAnchorForAxisLabel(a.config.axis_rotated,this.getYAxisLabelPosition())},f.prototype.textAnchorForY2AxisLabel=function(){var a=this.owner;return this.textAnchorForAxisLabel(a.config.axis_rotated,this.getY2AxisLabelPosition())},f.prototype.getMaxTickWidth=function(a,b){var c,d,e,f,g,h=this.owner,i=h.config,j=0;return b&&h.currentMaxTickWidths[a]?h.currentMaxTickWidths[a]:(h.svg&&(c=h.filterTargetsToShow(h.data.targets),"y"===a?(d=h.y.copy().domain(h.getYDomain(c,"y")),e=this.getYAxis(d,h.yOrient,i.axis_y_tick_format,h.yAxisTickValues,!1,!0)):"y2"===a?(d=h.y2.copy().domain(h.getYDomain(c,"y2")),e=this.getYAxis(d,h.y2Orient,i.axis_y2_tick_format,h.y2AxisTickValues,!1,!0)):(d=h.x.copy().domain(h.getXDomain(c)),e=this.getXAxis(d,h.xOrient,h.xAxisTickFormat,h.xAxisTickValues,!1,!0,!0),this.updateXAxisTickValues(c,e)),f=h.d3.select("body").append("div").classed("c3",!0),g=f.append("svg").style("visibility","hidden").style("position","fixed").style("top",0).style("left",0),g.append("g").call(e).each(function(){h.d3.select(this).selectAll("text").each(function(){var a=this.getBoundingClientRect();j<a.width&&(j=a.width)}),f.remove()})),h.currentMaxTickWidths[a]=0>=j?h.currentMaxTickWidths[a]:j,h.currentMaxTickWidths[a])},f.prototype.updateLabels=function(a){var b=this.owner,c=b.main.select("."+l.axisX+" ."+l.axisXLabel),d=b.main.select("."+l.axisY+" ."+l.axisYLabel),e=b.main.select("."+l.axisY2+" ."+l.axisY2Label);(a?c.transition():c).attr("x",this.xForXAxisLabel.bind(this)).attr("dx",this.dxForXAxisLabel.bind(this)).attr("dy",this.dyForXAxisLabel.bind(this)).text(this.textForXAxisLabel.bind(this)),(a?d.transition():d).attr("x",this.xForYAxisLabel.bind(this)).attr("dx",this.dxForYAxisLabel.bind(this)).attr("dy",this.dyForYAxisLabel.bind(this)).text(this.textForYAxisLabel.bind(this)),(a?e.transition():e).attr("x",this.xForY2AxisLabel.bind(this)).attr("dx",this.dxForY2AxisLabel.bind(this)).attr("dy",this.dyForY2AxisLabel.bind(this)).text(this.textForY2AxisLabel.bind(this))},f.prototype.getPadding=function(a,b,c,d){var e="number"==typeof a?a:a[b];return m(e)?"ratio"===a.unit?a[b]*d:this.convertPixelsToAxisPadding(e,d):c},f.prototype.convertPixelsToAxisPadding=function(a,b){var c=this.owner,d=c.config.axis_rotated?c.width:c.height;return b*(a/d)},f.prototype.generateTickValues=function(a,b,c){var d,e,f,g,h,i,j,k=a;if(b)if(d=n(b)?b():b,1===d)k=[a[0]];else if(2===d)k=[a[0],a[a.length-1]];else if(d>2){for(g=d-2,e=a[0],f=a[a.length-1],h=(f-e)/(g+1),k=[e],i=0;g>i;i++)j=+e+h*(i+1),k.push(c?new Date(j):j);k.push(f)}return c||(k=k.sort(function(a,b){return a-b})),k},f.prototype.generateTransitions=function(a){var b=this.owner,c=b.axes;
+return{axisX:a?c.x.transition().duration(a):c.x,axisY:a?c.y.transition().duration(a):c.y,axisY2:a?c.y2.transition().duration(a):c.y2,axisSubX:a?c.subx.transition().duration(a):c.subx}},f.prototype.redraw=function(a,b){var c=this.owner;c.axes.x.style("opacity",b?0:1),c.axes.y.style("opacity",b?0:1),c.axes.y2.style("opacity",b?0:1),c.axes.subx.style("opacity",b?0:1),a.axisX.call(c.xAxis),a.axisY.call(c.yAxis),a.axisY2.call(c.y2Axis),a.axisSubX.call(c.subXAxis)},i.getClipPath=function(b){var c=a.navigator.appVersion.toLowerCase().indexOf("msie 9.")>=0;return"url("+(c?"":document.URL.split("#")[0])+"#"+b+")"},i.appendClip=function(a,b){return a.append("clipPath").attr("id",b).append("rect")},i.getAxisClipX=function(a){var b=Math.max(30,this.margin.left);return a?-(1+b):-(b-1)},i.getAxisClipY=function(a){return a?-20:-this.margin.top},i.getXAxisClipX=function(){var a=this;return a.getAxisClipX(!a.config.axis_rotated)},i.getXAxisClipY=function(){var a=this;return a.getAxisClipY(!a.config.axis_rotated)},i.getYAxisClipX=function(){var a=this;return a.config.axis_y_inner?-1:a.getAxisClipX(a.config.axis_rotated)},i.getYAxisClipY=function(){var a=this;return a.getAxisClipY(a.config.axis_rotated)},i.getAxisClipWidth=function(a){var b=this,c=Math.max(30,b.margin.left),d=Math.max(30,b.margin.right);return a?b.width+2+c+d:b.margin.left+20},i.getAxisClipHeight=function(a){return(a?this.margin.bottom:this.margin.top+this.height)+20},i.getXAxisClipWidth=function(){var a=this;return a.getAxisClipWidth(!a.config.axis_rotated)},i.getXAxisClipHeight=function(){var a=this;return a.getAxisClipHeight(!a.config.axis_rotated)},i.getYAxisClipWidth=function(){var a=this;return a.getAxisClipWidth(a.config.axis_rotated)+(a.config.axis_y_inner?20:0)},i.getYAxisClipHeight=function(){var a=this;return a.getAxisClipHeight(a.config.axis_rotated)},i.initPie=function(){var a=this,b=a.d3,c=a.config;a.pie=b.layout.pie().value(function(a){return a.values.reduce(function(a,b){return a+b.value},0)}),c.data_order||a.pie.sort(null)},i.updateRadius=function(){var a=this,b=a.config,c=b.gauge_width||b.donut_width;a.radiusExpanded=Math.min(a.arcWidth,a.arcHeight)/2,a.radius=.95*a.radiusExpanded,a.innerRadiusRatio=c?(a.radius-c)/a.radius:.6,a.innerRadius=a.hasType("donut")||a.hasType("gauge")?a.radius*a.innerRadiusRatio:0},i.updateArc=function(){var a=this;a.svgArc=a.getSvgArc(),a.svgArcExpanded=a.getSvgArcExpanded(),a.svgArcExpandedSub=a.getSvgArcExpanded(.98)},i.updateAngle=function(a){var b,c,d=this,e=d.config,f=!1,g=0,h=e.gauge_min,i=e.gauge_max;return d.pie(d.filterTargetsToShow(d.data.targets)).forEach(function(b){f||b.data.id!==a.data.id||(f=!0,a=b,a.index=g),g++}),isNaN(a.startAngle)&&(a.startAngle=0),isNaN(a.endAngle)&&(a.endAngle=a.startAngle),d.isGaugeType(a.data)&&(b=Math.PI/(i-h),c=a.value<h?0:a.value<i?a.value-h:i-h,a.startAngle=-1*(Math.PI/2),a.endAngle=a.startAngle+b*c),f?a:null},i.getSvgArc=function(){var a=this,b=a.d3.svg.arc().outerRadius(a.radius).innerRadius(a.innerRadius),c=function(c,d){var e;return d?b(c):(e=a.updateAngle(c),e?b(e):"M 0 0")};return c.centroid=b.centroid,c},i.getSvgArcExpanded=function(a){var b=this,c=b.d3.svg.arc().outerRadius(b.radiusExpanded*(a?a:1)).innerRadius(b.innerRadius);return function(a){var d=b.updateAngle(a);return d?c(d):"M 0 0"}},i.getArc=function(a,b,c){return c||this.isArcType(a.data)?this.svgArc(a,b):"M 0 0"},i.transformForArcLabel=function(a){var b,c,d,e,f,g=this,h=g.updateAngle(a),i="";return h&&!g.hasType("gauge")&&(b=this.svgArc.centroid(h),c=isNaN(b[0])?0:b[0],d=isNaN(b[1])?0:b[1],e=Math.sqrt(c*c+d*d),f=g.radius&&e?(36/g.radius>.375?1.175-36/g.radius:.8)*g.radius/e:0,i="translate("+c*f+","+d*f+")"),i},i.getArcRatio=function(a){var b=this,c=b.hasType("gauge")?Math.PI:2*Math.PI;return a?(a.endAngle-a.startAngle)/c:null},i.convertToArcData=function(a){return this.addName({id:a.data.id,value:a.value,ratio:this.getArcRatio(a),index:a.index})},i.textForArcLabel=function(a){var b,c,d,e,f,g=this;return g.shouldShowArcLabel()?(b=g.updateAngle(a),c=b?b.value:null,d=g.getArcRatio(b),e=a.data.id,g.hasType("gauge")||g.meetsArcLabelThreshold(d)?(f=g.getArcLabelFormat(),f?f(c,d,e):g.defaultArcValueFormat(c,d)):""):""},i.expandArc=function(b){var c,d=this;return d.transiting?void(c=a.setInterval(function(){d.transiting||(a.clearInterval(c),d.legend.selectAll(".c3-legend-item-focused").size()>0&&d.expandArc(b))},10)):(b=d.mapToTargetIds(b),void d.svg.selectAll(d.selectorTargets(b,"."+l.chartArc)).each(function(a){d.shouldExpand(a.data.id)&&d.d3.select(this).selectAll("path").transition().duration(d.expandDuration(a.data.id)).attr("d",d.svgArcExpanded).transition().duration(2*d.expandDuration(a.data.id)).attr("d",d.svgArcExpandedSub).each(function(a){d.isDonutType(a.data)})}))},i.unexpandArc=function(a){var b=this;b.transiting||(a=b.mapToTargetIds(a),b.svg.selectAll(b.selectorTargets(a,"."+l.chartArc)).selectAll("path").transition().duration(function(a){return b.expandDuration(a.data.id)}).attr("d",b.svgArc),b.svg.selectAll("."+l.arc).style("opacity",1))},i.expandDuration=function(a){var b=this,c=b.config;return b.isDonutType(a)?c.donut_expand_duration:b.isGaugeType(a)?c.gauge_expand_duration:b.isPieType(a)?c.pie_expand_duration:50},i.shouldExpand=function(a){var b=this,c=b.config;return b.isDonutType(a)&&c.donut_expand||b.isGaugeType(a)&&c.gauge_expand||b.isPieType(a)&&c.pie_expand},i.shouldShowArcLabel=function(){var a=this,b=a.config,c=!0;return a.hasType("donut")?c=b.donut_label_show:a.hasType("pie")&&(c=b.pie_label_show),c},i.meetsArcLabelThreshold=function(a){var b=this,c=b.config,d=b.hasType("donut")?c.donut_label_threshold:c.pie_label_threshold;return a>=d},i.getArcLabelFormat=function(){var a=this,b=a.config,c=b.pie_label_format;return a.hasType("gauge")?c=b.gauge_label_format:a.hasType("donut")&&(c=b.donut_label_format),c},i.getArcTitle=function(){var a=this;return a.hasType("donut")?a.config.donut_title:""},i.updateTargetsForArc=function(a){var b,c,d=this,e=d.main,f=d.classChartArc.bind(d),g=d.classArcs.bind(d),h=d.classFocus.bind(d);b=e.select("."+l.chartArcs).selectAll("."+l.chartArc).data(d.pie(a)).attr("class",function(a){return f(a)+h(a.data)}),c=b.enter().append("g").attr("class",f),c.append("g").attr("class",g),c.append("text").attr("dy",d.hasType("gauge")?"-.1em":".35em").style("opacity",0).style("text-anchor","middle").style("pointer-events","none")},i.initArc=function(){var a=this;a.arcs=a.main.select("."+l.chart).append("g").attr("class",l.chartArcs).attr("transform",a.getTranslate("arc")),a.arcs.append("text").attr("class",l.chartArcsTitle).style("text-anchor","middle").text(a.getArcTitle())},i.redrawArc=function(a,b,c){var d,e=this,f=e.d3,g=e.config,h=e.main;d=h.selectAll("."+l.arcs).selectAll("."+l.arc).data(e.arcData.bind(e)),d.enter().append("path").attr("class",e.classArc.bind(e)).style("fill",function(a){return e.color(a.data)}).style("cursor",function(a){return g.interaction_enabled&&g.data_selection_isselectable(a)?"pointer":null}).style("opacity",0).each(function(a){e.isGaugeType(a.data)&&(a.startAngle=a.endAngle=-1*(Math.PI/2)),this._current=a}),d.attr("transform",function(a){return!e.isGaugeType(a.data)&&c?"scale(0)":""}).style("opacity",function(a){return a===this._current?0:1}).on("mouseover",g.interaction_enabled?function(a){var b,c;e.transiting||(b=e.updateAngle(a),b&&(c=e.convertToArcData(b),e.expandArc(b.data.id),e.api.focus(b.data.id),e.toggleFocusLegend(b.data.id,!0),e.config.data_onmouseover(c,this)))}:null).on("mousemove",g.interaction_enabled?function(a){var b,c,d=e.updateAngle(a);d&&(b=e.convertToArcData(d),c=[b],e.showTooltip(c,this))}:null).on("mouseout",g.interaction_enabled?function(a){var b,c;e.transiting||(b=e.updateAngle(a),b&&(c=e.convertToArcData(b),e.unexpandArc(b.data.id),e.api.revert(),e.revertLegend(),e.hideTooltip(),e.config.data_onmouseout(c,this)))}:null).on("click",g.interaction_enabled?function(a,b){var c,d=e.updateAngle(a);d&&(c=e.convertToArcData(d),e.toggleShape&&e.toggleShape(this,c,b),e.config.data_onclick.call(e.api,c,this))}:null).each(function(){e.transiting=!0}).transition().duration(a).attrTween("d",function(a){var b,c=e.updateAngle(a);return c?(isNaN(this._current.startAngle)&&(this._current.startAngle=0),isNaN(this._current.endAngle)&&(this._current.endAngle=this._current.startAngle),b=f.interpolate(this._current,c),this._current=b(0),function(c){var d=b(c);return d.data=a.data,e.getArc(d,!0)}):function(){return"M 0 0"}}).attr("transform",c?"scale(1)":"").style("fill",function(a){return e.levelColor?e.levelColor(a.data.values[0].value):e.color(a.data.id)}).style("opacity",1).call(e.endall,function(){e.transiting=!1}),d.exit().transition().duration(b).style("opacity",0).remove(),h.selectAll("."+l.chartArc).select("text").style("opacity",0).attr("class",function(a){return e.isGaugeType(a.data)?l.gaugeValue:""}).text(e.textForArcLabel.bind(e)).attr("transform",e.transformForArcLabel.bind(e)).style("font-size",function(a){return e.isGaugeType(a.data)?Math.round(e.radius/5)+"px":""}).transition().duration(a).style("opacity",function(a){return e.isTargetToShow(a.data.id)&&e.isArcType(a.data)?1:0}),h.select("."+l.chartArcsTitle).style("opacity",e.hasType("donut")||e.hasType("gauge")?1:0),e.hasType("gauge")&&(e.arcs.select("."+l.chartArcsBackground).attr("d",function(){var a={data:[{value:g.gauge_max}],startAngle:-1*(Math.PI/2),endAngle:Math.PI/2};return e.getArc(a,!0,!0)}),e.arcs.select("."+l.chartArcsGaugeUnit).attr("dy",".75em").text(g.gauge_label_show?g.gauge_units:""),e.arcs.select("."+l.chartArcsGaugeMin).attr("dx",-1*(e.innerRadius+(e.radius-e.innerRadius)/2)+"px").attr("dy","1.2em").text(g.gauge_label_show?g.gauge_min:""),e.arcs.select("."+l.chartArcsGaugeMax).attr("dx",e.innerRadius+(e.radius-e.innerRadius)/2+"px").attr("dy","1.2em").text(g.gauge_label_show?g.gauge_max:""))},i.initGauge=function(){var a=this.arcs;this.hasType("gauge")&&(a.append("path").attr("class",l.chartArcsBackground),a.append("text").attr("class",l.chartArcsGaugeUnit).style("text-anchor","middle").style("pointer-events","none"),a.append("text").attr("class",l.chartArcsGaugeMin).style("text-anchor","middle").style("pointer-events","none"),a.append("text").attr("class",l.chartArcsGaugeMax).style("text-anchor","middle").style("pointer-events","none"))},i.getGaugeLabelHeight=function(){return this.config.gauge_label_show?20:0},i.initRegion=function(){var a=this;a.region=a.main.append("g").attr("clip-path",a.clipPath).attr("class",l.regions)},i.updateRegion=function(a){var b=this,c=b.config;b.region.style("visibility",b.hasArcType()?"hidden":"visible"),b.mainRegion=b.main.select("."+l.regions).selectAll("."+l.region).data(c.regions),b.mainRegion.enter().append("g").attr("class",b.classRegion.bind(b)).append("rect").style("fill-opacity",0),b.mainRegion.exit().transition().duration(a).style("opacity",0).remove()},i.redrawRegion=function(a){var b=this,c=b.mainRegion.selectAll("rect"),d=b.regionX.bind(b),e=b.regionY.bind(b),f=b.regionWidth.bind(b),g=b.regionHeight.bind(b);return[(a?c.transition():c).attr("x",d).attr("y",e).attr("width",f).attr("height",g).style("fill-opacity",function(a){return m(a.opacity)?a.opacity:.1})]},i.regionX=function(a){var b,c=this,d=c.config,e="y"===a.axis?c.y:c.y2;return b="y"===a.axis||"y2"===a.axis?d.axis_rotated&&"start"in a?e(a.start):0:d.axis_rotated?0:"start"in a?c.x(c.isTimeSeries()?c.parseDate(a.start):a.start):0},i.regionY=function(a){var b,c=this,d=c.config,e="y"===a.axis?c.y:c.y2;return b="y"===a.axis||"y2"===a.axis?d.axis_rotated?0:"end"in a?e(a.end):0:d.axis_rotated&&"start"in a?c.x(c.isTimeSeries()?c.parseDate(a.start):a.start):0},i.regionWidth=function(a){var b,c=this,d=c.config,e=c.regionX(a),f="y"===a.axis?c.y:c.y2;return b="y"===a.axis||"y2"===a.axis?d.axis_rotated&&"end"in a?f(a.end):c.width:d.axis_rotated?c.width:"end"in a?c.x(c.isTimeSeries()?c.parseDate(a.end):a.end):c.width,e>b?0:b-e},i.regionHeight=function(a){var b,c=this,d=c.config,e=this.regionY(a),f="y"===a.axis?c.y:c.y2;return b="y"===a.axis||"y2"===a.axis?d.axis_rotated?c.height:"start"in a?f(a.start):c.height:d.axis_rotated&&"end"in a?c.x(c.isTimeSeries()?c.parseDate(a.end):a.end):c.height,e>b?0:b-e},i.isRegionOnX=function(a){return!a.axis||"x"===a.axis},i.drag=function(a){var b,c,d,e,f,g,h,i,j=this,k=j.config,m=j.main,n=j.d3;j.hasArcType()||k.data_selection_enabled&&(!k.zoom_enabled||j.zoom.altDomain)&&k.data_selection_multiple&&(b=j.dragStart[0],c=j.dragStart[1],d=a[0],e=a[1],f=Math.min(b,d),g=Math.max(b,d),h=k.data_selection_grouped?j.margin.top:Math.min(c,e),i=k.data_selection_grouped?j.height:Math.max(c,e),m.select("."+l.dragarea).attr("x",f).attr("y",h).attr("width",g-f).attr("height",i-h),m.selectAll("."+l.shapes).selectAll("."+l.shape).filter(function(a){return k.data_selection_isselectable(a)}).each(function(a,b){var c,d,e,k,m,o,p=n.select(this),q=p.classed(l.SELECTED),r=p.classed(l.INCLUDED),s=!1;if(p.classed(l.circle))c=1*p.attr("cx"),d=1*p.attr("cy"),m=j.togglePoint,s=c>f&&g>c&&d>h&&i>d;else{if(!p.classed(l.bar))return;o=y(this),c=o.x,d=o.y,e=o.width,k=o.height,m=j.togglePath,s=!(c>g||f>c+e||d>i||h>d+k)}s^r&&(p.classed(l.INCLUDED,!r),p.classed(l.SELECTED,!q),m.call(j,!q,p,a,b))}))},i.dragstart=function(a){var b=this,c=b.config;b.hasArcType()||c.data_selection_enabled&&(b.dragStart=a,b.main.select("."+l.chart).append("rect").attr("class",l.dragarea).style("opacity",.1),b.dragging=!0)},i.dragend=function(){var a=this,b=a.config;a.hasArcType()||b.data_selection_enabled&&(a.main.select("."+l.dragarea).transition().duration(100).style("opacity",0).remove(),a.main.selectAll("."+l.shape).classed(l.INCLUDED,!1),a.dragging=!1)},i.selectPoint=function(a,b,c){var d=this,e=d.config,f=(e.axis_rotated?d.circleY:d.circleX).bind(d),g=(e.axis_rotated?d.circleX:d.circleY).bind(d),h=d.pointSelectR.bind(d);e.data_onselected.call(d.api,b,a.node()),d.main.select("."+l.selectedCircles+d.getTargetSelectorSuffix(b.id)).selectAll("."+l.selectedCircle+"-"+c).data([b]).enter().append("circle").attr("class",function(){return d.generateClass(l.selectedCircle,c)}).attr("cx",f).attr("cy",g).attr("stroke",function(){return d.color(b)}).attr("r",function(a){return 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a=this,b=a.config,c=a.context=a.svg.append("g").attr("transform",a.getTranslate("context")),d=b.subchart_show?"visible":"hidden";c.style("visibility",d),c.append("g").attr("clip-path",a.clipPathForSubchart).attr("class",l.chart),c.select("."+l.chart).append("g").attr("class",l.chartBars),c.select("."+l.chart).append("g").attr("class",l.chartLines),c.append("g").attr("clip-path",a.clipPath).attr("class",l.brush).call(a.brush),a.axes.subx=c.append("g").attr("class",l.axisX).attr("transform",a.getTranslate("subx")).attr("clip-path",b.axis_rotated?"":a.clipPathForXAxis).style("visibility",b.subchart_axis_x_show?d:"hidden")},i.updateTargetsForSubchart=function(a){var b,c,d,e,f=this,g=f.context,h=f.config,i=f.classChartBar.bind(f),j=f.classBars.bind(f),k=f.classChartLine.bind(f),m=f.classLines.bind(f),n=f.classAreas.bind(f);h.subchart_show&&(e=g.select("."+l.chartBars).selectAll("."+l.chartBar).data(a).attr("class",i),d=e.enter().append("g").style("opacity",0).attr("class",i),d.append("g").attr("class",j),c=g.select("."+l.chartLines).selectAll("."+l.chartLine).data(a).attr("class",k),b=c.enter().append("g").style("opacity",0).attr("class",k),b.append("g").attr("class",m),b.append("g").attr("class",n),g.selectAll("."+l.brush+" rect").attr(h.axis_rotated?"width":"height",h.axis_rotated?f.width2:f.height2))},i.updateBarForSubchart=function(a){var b=this;b.contextBar=b.context.selectAll("."+l.bars).selectAll("."+l.bar).data(b.barData.bind(b)),b.contextBar.enter().append("path").attr("class",b.classBar.bind(b)).style("stroke","none").style("fill",b.color),b.contextBar.style("opacity",b.initialOpacity.bind(b)),b.contextBar.exit().transition().duration(a).style("opacity",0).remove()},i.redrawBarForSubchart=function(a,b,c){(b?this.contextBar.transition().duration(c):this.contextBar).attr("d",a).style("opacity",1)},i.updateLineForSubchart=function(a){var b=this;b.contextLine=b.context.selectAll("."+l.lines).selectAll("."+l.line).data(b.lineData.bind(b)),b.contextLine.enter().append("path").attr("class",b.classLine.bind(b)).style("stroke",b.color),b.contextLine.style("opacity",b.initialOpacity.bind(b)),b.contextLine.exit().transition().duration(a).style("opacity",0).remove()},i.redrawLineForSubchart=function(a,b,c){(b?this.contextLine.transition().duration(c):this.contextLine).attr("d",a).style("opacity",1)},i.updateAreaForSubchart=function(a){var b=this,c=b.d3;b.contextArea=b.context.selectAll("."+l.areas).selectAll("."+l.area).data(b.lineData.bind(b)),b.contextArea.enter().append("path").attr("class",b.classArea.bind(b)).style("fill",b.color).style("opacity",function(){return b.orgAreaOpacity=+c.select(this).style("opacity"),0}),b.contextArea.style("opacity",0),b.contextArea.exit().transition().duration(a).style("opacity",0).remove()},i.redrawAreaForSubchart=function(a,b,c){(b?this.contextArea.transition().duration(c):this.contextArea).attr("d",a).style("fill",this.color).style("opacity",this.orgAreaOpacity)},i.redrawSubchart=function(a,b,c,d,e,f,g){var h,i,j,k=this,l=k.d3,m=k.config;k.context.style("visibility",m.subchart_show?"visible":"hidden"),m.subchart_show&&(l.event&&"zoom"===l.event.type&&k.brush.extent(k.x.orgDomain()).update(),a&&(k.brush.empty()||k.brush.extent(k.x.orgDomain()).update(),h=k.generateDrawArea(e,!0),i=k.generateDrawBar(f,!0),j=k.generateDrawLine(g,!0),k.updateBarForSubchart(c),k.updateLineForSubchart(c),k.updateAreaForSubchart(c),k.redrawBarForSubchart(i,c,c),k.redrawLineForSubchart(j,c,c),k.redrawAreaForSubchart(h,c,c)))},i.redrawForBrush=function(){var a=this,b=a.x;a.redraw({withTransition:!1,withY:a.config.zoom_rescale,withSubchart:!1,withUpdateXDomain:!0,withDimension:!1}),a.config.subchart_onbrush.call(a.api,b.orgDomain())},i.transformContext=function(a,b){var c,d=this;b&&b.axisSubX?c=b.axisSubX:(c=d.context.select("."+l.axisX),a&&(c=c.transition())),d.context.attr("transform",d.getTranslate("context")),c.attr("transform",d.getTranslate("subx"))},i.getDefaultExtent=function(){var a=this,b=a.config,c=n(b.axis_x_extent)?b.axis_x_extent(a.getXDomain(a.data.targets)):b.axis_x_extent;return a.isTimeSeries()&&(c=[a.parseDate(c[0]),a.parseDate(c[1])]),c},i.initZoom=function(){var a,b=this,c=b.d3,d=b.config;b.zoom=c.behavior.zoom().on("zoomstart",function(){a=c.event.sourceEvent,b.zoom.altDomain=c.event.sourceEvent.altKey?b.x.orgDomain():null,d.zoom_onzoomstart.call(b.api,c.event.sourceEvent)}).on("zoom",function(){b.redrawForZoom.call(b)}).on("zoomend",function(){var e=c.event.sourceEvent;e&&a.clientX===e.clientX&&a.clientY===e.clientY||(b.redrawEventRect(),b.updateZoom(),d.zoom_onzoomend.call(b.api,b.x.orgDomain()))}),b.zoom.scale=function(a){return d.axis_rotated?this.y(a):this.x(a)},b.zoom.orgScaleExtent=function(){var a=d.zoom_extent?d.zoom_extent:[1,10];return[a[0],Math.max(b.getMaxDataCount()/a[1],a[1])]},b.zoom.updateScaleExtent=function(){var a=t(b.x.orgDomain())/t(b.getZoomDomain()),c=this.orgScaleExtent();return this.scaleExtent([c[0]*a,c[1]*a]),this}},i.getZoomDomain=function(){var a=this,b=a.config,c=a.d3,d=c.min([a.orgXDomain[0],b.zoom_x_min]),e=c.max([a.orgXDomain[1],b.zoom_x_max]);return[d,e]},i.updateZoom=function(){var a=this,b=a.config.zoom_enabled?a.zoom:function(){};a.main.select("."+l.zoomRect).call(b).on("dblclick.zoom",null),a.main.selectAll("."+l.eventRect).call(b).on("dblclick.zoom",null)},i.redrawForZoom=function(){var a=this,b=a.d3,c=a.config,d=a.zoom,e=a.x;if(c.zoom_enabled&&0!==a.filterTargetsToShow(a.data.targets).length){if("mousemove"===b.event.sourceEvent.type&&d.altDomain)return e.domain(d.altDomain),void d.scale(e).updateScaleExtent();a.isCategorized()&&e.orgDomain()[0]===a.orgXDomain[0]&&e.domain([a.orgXDomain[0]-1e-10,e.orgDomain()[1]]),a.redraw({withTransition:!1,withY:c.zoom_rescale,withSubchart:!1,withEventRect:!1,withDimension:!1}),"mousemove"===b.event.sourceEvent.type&&(a.cancelClick=!0),c.zoom_onzoom.call(a.api,e.orgDomain())}},i.generateColor=function(){var a=this,b=a.config,c=a.d3,d=b.data_colors,e=v(b.color_pattern)?b.color_pattern:c.scale.category10().range(),f=b.data_color,g=[];return function(a){var b,c=a.id||a.data&&a.data.id||a;return d[c]instanceof Function?b=d[c](a):d[c]?b=d[c]:(g.indexOf(c)<0&&g.push(c),b=e[g.indexOf(c)%e.length],d[c]=b),f instanceof Function?f(b,a):b}},i.generateLevelColor=function(){var a=this,b=a.config,c=b.color_pattern,d=b.color_threshold,e="value"===d.unit,f=d.values&&d.values.length?d.values:[],g=d.max||100;return v(b.color_threshold)?function(a){var b,d,h=c[c.length-1];for(b=0;b<f.length;b++)if(d=e?a:100*a/g,d<f[b]){h=c[b];break}return h}:null},i.getYFormat=function(a){var b=this,c=a&&!b.hasType("gauge")?b.defaultArcValueFormat:b.yFormat,d=a&&!b.hasType("gauge")?b.defaultArcValueFormat:b.y2Format;return function(a,e,f){var g="y2"===b.axis.getId(f)?d:c;return g.call(b,a,e)}},i.yFormat=function(a){var b=this,c=b.config,d=c.axis_y_tick_format?c.axis_y_tick_format:b.defaultValueFormat;return d(a)},i.y2Format=function(a){var b=this,c=b.config,d=c.axis_y2_tick_format?c.axis_y2_tick_format:b.defaultValueFormat;return d(a)},i.defaultValueFormat=function(a){return m(a)?+a:""},i.defaultArcValueFormat=function(a,b){return(100*b).toFixed(1)+"%"},i.dataLabelFormat=function(a){var b,c=this,d=c.config.data_labels,e=function(a){return m(a)?+a:""};return b="function"==typeof 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l=i.CLASS={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_"};i.generateClass=function(a,b){return" 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this.classShapes(a.data)+this.generateClass(l.arcs,a.data.id)},i.classArea=function(a){return this.classShape(a)+this.generateClass(l.area,a.id)},i.classAreas=function(a){return this.classShapes(a)+this.generateClass(l.areas,a.id)},i.classRegion=function(a,b){return this.generateClass(l.region,b)+" "+("class"in a?a["class"]:"")},i.classEvent=function(a){return this.generateClass(l.eventRect,a.index)},i.classTarget=function(a){var b=this,c=b.config.data_classes[a],d="";return c&&(d=" "+l.target+"-"+c),b.generateClass(l.target,a)+d},i.classFocus=function(a){return this.classFocused(a)+this.classDefocused(a)},i.classFocused=function(a){return" "+(this.focusedTargetIds.indexOf(a.id)>=0?l.focused:"")},i.classDefocused=function(a){return" "+(this.defocusedTargetIds.indexOf(a.id)>=0?l.defocused:"")},i.classChartText=function(a){return l.chartText+this.classTarget(a.id)},i.classChartLine=function(a){return l.chartLine+this.classTarget(a.id)},i.classChartBar=function(a){return 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c,d=this.internal;a=d.mapToTargetIds(a),b=b||{},d.removeHiddenTargetIds(a),c=d.svg.selectAll(d.selectorTargets(a)),c.transition().style("opacity",1,"important").call(d.endall,function(){c.style("opacity",null).style("opacity",1)}),b.withLegend&&d.showLegend(a),d.redraw({withUpdateOrgXDomain:!0,withUpdateXDomain:!0,withLegend:!0})},h.hide=function(a,b){var c,d=this.internal;a=d.mapToTargetIds(a),b=b||{},d.addHiddenTargetIds(a),c=d.svg.selectAll(d.selectorTargets(a)),c.transition().style("opacity",0,"important").call(d.endall,function(){c.style("opacity",null).style("opacity",0)}),b.withLegend&&d.hideLegend(a),d.redraw({withUpdateOrgXDomain:!0,withUpdateXDomain:!0,withLegend:!0})},h.toggle=function(a,b){var c=this,d=this.internal;d.mapToTargetIds(a).forEach(function(a){d.isTargetToShow(a)?c.hide(a,b):c.show(a,b)})},h.zoom=function(a){var b=this.internal;return a&&(b.isTimeSeries()&&(a=a.map(function(a){return b.parseDate(a)})),b.brush.extent(a),b.redraw({withUpdateXDomain:!0,withY:b.config.zoom_rescale}),b.config.zoom_onzoom.call(this,b.x.orgDomain())),b.brush.extent()},h.zoom.enable=function(a){var b=this.internal;b.config.zoom_enabled=a,b.updateAndRedraw()},h.unzoom=function(){var a=this.internal;a.brush.clear().update(),a.redraw({withUpdateXDomain:!0})},h.zoom.max=function(a){var b=this.internal,c=b.config,d=b.d3;return 0===a||a?void(c.zoom_x_max=d.max([b.orgXDomain[1],a])):c.zoom_x_max},h.zoom.min=function(a){var b=this.internal,c=b.config,d=b.d3;return 0===a||a?void(c.zoom_x_min=d.min([b.orgXDomain[0],a])):c.zoom_x_min},h.zoom.range=function(a){return arguments.length?(q(a.max)&&this.domain.max(a.max),void(q(a.min)&&this.domain.min(a.min))):{max:this.domain.max(),min:this.domain.min()}},h.load=function(a){var b=this.internal,c=b.config;
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if(a.rows)c=j.convertRowsToData(a.rows);else{if(!a.columns)return;c=j.convertColumnsToData(a.columns)}b=j.convertDataToTargets(c,!0),j.data.targets.forEach(function(a){var c,d,e=!1;for(c=0;c<b.length;c++)if(a.id===b[c].id){for(e=!0,a.values[a.values.length-1]&&(o=a.values[a.values.length-1].index+1),n=b[c].values.length,d=0;n>d;d++)b[c].values[d].index=o+d,j.isTimeSeries()||(b[c].values[d].x=o+d);a.values=a.values.concat(b[c].values),b.splice(c,1);break}e||k.push(a.id)}),j.data.targets.forEach(function(a){var b,c;for(b=0;b<k.length;b++)if(a.id===k[b])for(o=a.values[a.values.length-1].index+1,c=0;n>c;c++)a.values.push({id:a.id,index:o+c,x:j.isTimeSeries()?j.getOtherTargetX(o+c):o+c,value:null})}),j.data.targets.length&&b.forEach(function(a){var b,c=[];for(b=j.data.targets[0].values[0].index;o>b;b++)c.push({id:a.id,index:b,x:j.isTimeSeries()?j.getOtherTargetX(b):b,value:null});a.values.forEach(function(a){a.index+=o,j.isTimeSeries()||(a.x+=o)}),a.values=c.concat(a.values)}),j.data.targets=j.data.targets.concat(b),d=j.getMaxDataCount(),f=j.data.targets[0],g=f.values[0],q(a.to)?(n=0,i=j.isTimeSeries()?j.parseDate(a.to):a.to,f.values.forEach(function(a){a.x<i&&n++})):q(a.length)&&(n=a.length),l?1===l&&j.isTimeSeries()&&(h=(f.values[f.values.length-1].x-g.x)/2,e=[new Date(+g.x-h),new Date(+g.x+h)],j.updateXDomain(null,!0,!0,!1,e)):(h=j.isTimeSeries()?f.values.length>1?f.values[f.values.length-1].x-g.x:g.x-j.getXDomain(j.data.targets)[0]:1,e=[g.x-h,g.x],j.updateXDomain(null,!0,!0,!1,e)),j.updateTargets(j.data.targets),j.redraw({flow:{index:g.index,length:n,duration:m(a.duration)?a.duration:j.config.transition_duration,done:a.done,orgDataCount:l},withLegend:!0,withTransition:l>1,withTrimXDomain:!1,withUpdateXAxis:!0})},i.generateFlow=function(a){var b=this,c=b.config,d=b.d3;return function(){var e,f,g,h=a.targets,i=a.flow,j=a.drawBar,k=a.drawLine,m=a.drawArea,n=a.cx,o=a.cy,p=a.xv,q=a.xForText,r=a.yForText,s=a.duration,u=1,v=i.index,w=i.length,x=b.getValueOnIndex(b.data.targets[0].values,v),y=b.getValueOnIndex(b.data.targets[0].values,v+w),z=b.x.domain(),A=i.duration||s,B=i.done||function(){},C=b.generateWait(),D=b.xgrid||d.selectAll([]),E=b.xgridLines||d.selectAll([]),F=b.mainRegion||d.selectAll([]),G=b.mainText||d.selectAll([]),H=b.mainBar||d.selectAll([]),I=b.mainLine||d.selectAll([]),J=b.mainArea||d.selectAll([]),K=b.mainCircle||d.selectAll([]);b.flowing=!0,b.data.targets.forEach(function(a){a.values.splice(0,w)}),g=b.updateXDomain(h,!0,!0),b.updateXGrid&&b.updateXGrid(!0),i.orgDataCount?e=1===i.orgDataCount||x.x===y.x?b.x(z[0])-b.x(g[0]):b.isTimeSeries()?b.x(z[0])-b.x(g[0]):b.x(x.x)-b.x(y.x):1!==b.data.targets[0].values.length?e=b.x(z[0])-b.x(g[0]):b.isTimeSeries()?(x=b.getValueOnIndex(b.data.targets[0].values,0),y=b.getValueOnIndex(b.data.targets[0].values,b.data.targets[0].values.length-1),e=b.x(x.x)-b.x(y.x)):e=t(g)/2,u=t(z)/t(g),f="translate("+e+",0) scale("+u+",1)",b.hideXGridFocus(),d.transition().ease("linear").duration(A).each(function(){C.add(b.axes.x.transition().call(b.xAxis)),C.add(H.transition().attr("transform",f)),C.add(I.transition().attr("transform",f)),C.add(J.transition().attr("transform",f)),C.add(K.transition().attr("transform",f)),C.add(G.transition().attr("transform",f)),C.add(F.filter(b.isRegionOnX).transition().attr("transform",f)),C.add(D.transition().attr("transform",f)),C.add(E.transition().attr("transform",f))}).call(C,function(){var a,d=[],e=[],f=[];if(w){for(a=0;w>a;a++)d.push("."+l.shape+"-"+(v+a)),e.push("."+l.text+"-"+(v+a)),f.push("."+l.eventRect+"-"+(v+a));b.svg.selectAll("."+l.shapes).selectAll(d).remove(),b.svg.selectAll("."+l.texts).selectAll(e).remove(),b.svg.selectAll("."+l.eventRects).selectAll(f).remove(),b.svg.select("."+l.xgrid).remove()}D.attr("transform",null).attr(b.xgridAttr),E.attr("transform",null),E.select("line").attr("x1",c.axis_rotated?0:p).attr("x2",c.axis_rotated?b.width:p),E.select("text").attr("x",c.axis_rotated?b.width:0).attr("y",p),H.attr("transform",null).attr("d",j),I.attr("transform",null).attr("d",k),J.attr("transform",null).attr("d",m),K.attr("transform",null).attr("cx",n).attr("cy",o),G.attr("transform",null).attr("x",q).attr("y",r).style("fill-opacity",b.opacityForText.bind(b)),F.attr("transform",null),F.select("rect").filter(b.isRegionOnX).attr("x",b.regionX.bind(b)).attr("width",b.regionWidth.bind(b)),c.interaction_enabled&&b.redrawEventRect(),B(),b.flowing=!1})}},h.selected=function(a){var b=this.internal,c=b.d3;return c.merge(b.main.selectAll("."+l.shapes+b.getTargetSelectorSuffix(a)).selectAll("."+l.shape).filter(function(){return c.select(this).classed(l.SELECTED)}).map(function(a){return a.map(function(a){var b=a.__data__;return b.data?b.data:b})}))},h.select=function(a,b,c){var d=this.internal,e=d.d3,f=d.config;f.data_selection_enabled&&d.main.selectAll("."+l.shapes).selectAll("."+l.shape).each(function(g,h){var i=e.select(this),j=g.data?g.data.id:g.id,k=d.getToggle(this,g).bind(d),m=f.data_selection_grouped||!a||a.indexOf(j)>=0,n=!b||b.indexOf(h)>=0,o=i.classed(l.SELECTED);i.classed(l.line)||i.classed(l.area)||(m&&n?f.data_selection_isselectable(g)&&!o&&k(!0,i.classed(l.SELECTED,!0),g,h):q(c)&&c&&o&&k(!1,i.classed(l.SELECTED,!1),g,h))})},h.unselect=function(a,b){var c=this.internal,d=c.d3,e=c.config;e.data_selection_enabled&&c.main.selectAll("."+l.shapes).selectAll("."+l.shape).each(function(f,g){var h=d.select(this),i=f.data?f.data.id:f.id,j=c.getToggle(this,f).bind(c),k=e.data_selection_grouped||!a||a.indexOf(i)>=0,m=!b||b.indexOf(g)>=0,n=h.classed(l.SELECTED);h.classed(l.line)||h.classed(l.area)||k&&m&&e.data_selection_isselectable(f)&&n&&j(!1,h.classed(l.SELECTED,!1),f,g)})},h.transform=function(a,b){var c=this.internal,d=["pie","donut"].indexOf(a)>=0?{withTransform:!0}:null;c.transformTo(b,a,d)},i.transformTo=function(a,b,c){var d=this,e=!d.hasArcType(),f=c||{withTransitionForAxis:e};f.withTransitionForTransform=!1,d.transiting=!1,d.setTargetType(a,b),d.updateTargets(d.data.targets),d.updateAndRedraw(f)},h.groups=function(a){var b=this.internal,c=b.config;return p(a)?c.data_groups:(c.data_groups=a,b.redraw(),c.data_groups)},h.xgrids=function(a){var b=this.internal,c=b.config;return a?(c.grid_x_lines=a,b.redrawWithoutRescale(),c.grid_x_lines):c.grid_x_lines},h.xgrids.add=function(a){var b=this.internal;return this.xgrids(b.config.grid_x_lines.concat(a?a:[]))},h.xgrids.remove=function(a){var b=this.internal;b.removeGridLines(a,!0)},h.ygrids=function(a){var b=this.internal,c=b.config;return a?(c.grid_y_lines=a,b.redrawWithoutRescale(),c.grid_y_lines):c.grid_y_lines},h.ygrids.add=function(a){var b=this.internal;return this.ygrids(b.config.grid_y_lines.concat(a?a:[]))},h.ygrids.remove=function(a){var b=this.internal;b.removeGridLines(a,!1)},h.regions=function(a){var b=this.internal,c=b.config;return a?(c.regions=a,b.redrawWithoutRescale(),c.regions):c.regions},h.regions.add=function(a){var b=this.internal,c=b.config;return a?(c.regions=c.regions.concat(a),b.redrawWithoutRescale(),c.regions):c.regions},h.regions.remove=function(a){var b,c,d,e=this.internal,f=e.config;return a=a||{},b=e.getOption(a,"duration",f.transition_duration),c=e.getOption(a,"classes",[l.region]),d=e.main.select("."+l.regions).selectAll(c.map(function(a){return"."+a})),(b?d.transition().duration(b):d).style("opacity",0).remove(),f.regions=f.regions.filter(function(a){var b=!1;return a["class"]?(a["class"].split(" ").forEach(function(a){c.indexOf(a)>=0&&(b=!0)}),!b):!0}),f.regions},h.data=function(a){var b=this.internal.data.targets;return"undefined"==typeof a?b:b.filter(function(b){return[].concat(a).indexOf(b.id)>=0})},h.data.shown=function(a){return this.internal.filterTargetsToShow(this.data(a))},h.data.values=function(a){var b,c=null;return a&&(b=this.data(a),c=b[0]?b[0].values.map(function(a){return a.value}):null),c},h.data.names=function(a){return this.internal.clearLegendItemTextBoxCache(),this.internal.updateDataAttributes("names",a)},h.data.colors=function(a){return this.internal.updateDataAttributes("colors",a)},h.data.axes=function(a){return this.internal.updateDataAttributes("axes",a)},h.category=function(a,b){var c=this.internal,d=c.config;return arguments.length>1&&(d.axis_x_categories[a]=b,c.redraw()),d.axis_x_categories[a]},h.categories=function(a){var b=this.internal,c=b.config;return arguments.length?(c.axis_x_categories=a,b.redraw(),c.axis_x_categories):c.axis_x_categories},h.color=function(a){var b=this.internal;return b.color(a)},h.x=function(a){var b=this.internal;return arguments.length&&(b.updateTargetX(b.data.targets,a),b.redraw({withUpdateOrgXDomain:!0,withUpdateXDomain:!0})),b.data.xs},h.xs=function(a){var b=this.internal;return arguments.length&&(b.updateTargetXs(b.data.targets,a),b.redraw({withUpdateOrgXDomain:!0,withUpdateXDomain:!0})),b.data.xs},h.axis=function(){},h.axis.labels=function(a){var b=this.internal;arguments.length&&(Object.keys(a).forEach(function(c){b.axis.setLabelText(c,a[c])}),b.axis.updateLabels())},h.axis.max=function(a){var b=this.internal,c=b.config;return arguments.length?("object"==typeof a?(m(a.x)&&(c.axis_x_max=a.x),m(a.y)&&(c.axis_y_max=a.y),m(a.y2)&&(c.axis_y2_max=a.y2)):c.axis_y_max=c.axis_y2_max=a,void b.redraw({withUpdateOrgXDomain:!0,withUpdateXDomain:!0})):{x:c.axis_x_max,y:c.axis_y_max,y2:c.axis_y2_max}},h.axis.min=function(a){var b=this.internal,c=b.config;return arguments.length?("object"==typeof a?(m(a.x)&&(c.axis_x_min=a.x),m(a.y)&&(c.axis_y_min=a.y),m(a.y2)&&(c.axis_y2_min=a.y2)):c.axis_y_min=c.axis_y2_min=a,void b.redraw({withUpdateOrgXDomain:!0,withUpdateXDomain:!0})):{x:c.axis_x_min,y:c.axis_y_min,y2:c.axis_y2_min}},h.axis.range=function(a){return arguments.length?(q(a.max)&&this.axis.max(a.max),void(q(a.min)&&this.axis.min(a.min))):{max:this.axis.max(),min:this.axis.min()}},h.legend=function(){},h.legend.show=function(a){var b=this.internal;b.showLegend(b.mapToTargetIds(a)),b.updateAndRedraw({withLegend:!0})},h.legend.hide=function(a){var b=this.internal;b.hideLegend(b.mapToTargetIds(a)),b.updateAndRedraw({withLegend:!0})},h.resize=function(a){var b=this.internal,c=b.config;c.size_width=a?a.width:null,c.size_height=a?a.height:null,this.flush()},h.flush=function(){var a=this.internal;a.updateAndRedraw({withLegend:!0,withTransition:!1,withTransitionForTransform:!1})},h.destroy=function(){var b=this.internal;if(a.clearInterval(b.intervalForObserveInserted),void 0!==b.resizeTimeout&&a.clearTimeout(b.resizeTimeout),a.detachEvent)a.detachEvent("onresize",b.resizeFunction);else if(a.removeEventListener)a.removeEventListener("resize",b.resizeFunction);else{var c=a.onresize;c&&c.add&&c.remove&&c.remove(b.resizeFunction)}return b.selectChart.classed("c3",!1).html(""),Object.keys(b).forEach(function(a){b[a]=null}),null},h.tooltip=function(){},h.tooltip.show=function(a){var b,c,d=this.internal;a.mouse&&(c=a.mouse),a.data?d.isMultipleX()?(c=[d.x(a.data.x),d.getYScale(a.data.id)(a.data.value)],b=null):b=m(a.data.index)?a.data.index:d.getIndexByX(a.data.x):"undefined"!=typeof a.x?b=d.getIndexByX(a.x):"undefined"!=typeof a.index&&(b=a.index),d.dispatchEvent("mouseover",b,c),d.dispatchEvent("mousemove",b,c),d.config.tooltip_onshow.call(d,a.data)},h.tooltip.hide=function(){this.internal.dispatchEvent("mouseout",0),this.internal.config.tooltip_onhide.call(this)};var z;i.isSafari=function(){var b=a.navigator.userAgent;return b.indexOf("Safari")>=0&&b.indexOf("Chrome")<0},i.isChrome=function(){var b=a.navigator.userAgent;return b.indexOf("Chrome")>=0},Function.prototype.bind||(Function.prototype.bind=function(a){if("function"!=typeof this)throw new TypeError("Function.prototype.bind - what is trying to be bound is not callable");var b=Array.prototype.slice.call(arguments,1),c=this,d=function(){},e=function(){return c.apply(this instanceof d?this:a,b.concat(Array.prototype.slice.call(arguments)))};return d.prototype=this.prototype,e.prototype=new d,e}),"function"==typeof define&&define.amd?define("c3",["d3"],function(){return k}):"undefined"!=typeof exports&&"undefined"!=typeof module?module.exports=k:a.c3=k}(window);
\ No newline at end of file
diff --git a/src/shape.js b/src/shape.js
index 17fa74b..4a853d4 100644
--- a/src/shape.js
+++ b/src/shape.js
@@ -66,7 +66,7 @@ c3_chart_internal_fn.isWithinShape = function (that, d) {
 
 
 c3_chart_internal_fn.getInterpolate = function (d) {
-    var $$ = this;
-    var interpolation = $$.isInterpolationType() ? $$.config.spline_interpolation_type : 'cardinal';
+    var $$ = this,
+        interpolation = $$.isInterpolationType($$.config.spline_interpolation_type) ? $$.config.spline_interpolation_type : 'cardinal';
     return $$.isSplineType(d) ? interpolation : $$.isStepType(d) ? $$.config.line_step_type : "linear";
 };
diff --git a/src/type.js b/src/type.js
index 144ad24..6497280 100644
--- a/src/type.js
+++ b/src/type.js
@@ -89,6 +89,6 @@ 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 () {
-    return ['linear', 'linear-closed', 'basis', 'basis-open', 'basis-closed', 'bundle', 'cardinal', 'cardinal-open', 'cardinal-closed', 'monotone'].indexOf(this.config.spline_interpolation_type) >= 0;
+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;
 };