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Completed SVG.Graph implementation (surely requires some bug fixes and xml handling improvements).

Completed initial TimeSeries implementation as well.
pull/8/head
SANDIA\jaraco 19 years ago
parent
commit
027f5373aa
  1. 170
      TimeSeries.py
  2. 722
      __init__.py

170
TimeSeries.py

@ -0,0 +1,170 @@
#!/usr/bin/env python
import SVG
def get_pairs( i ):
i = iter( i )
while True: yield i.next(), i.next()
class Plot( SVG.Plot ):
"""=== For creating SVG plots of scalar temporal data
= Synopsis
require 'SVG/Graph/TimeSeriess'
# Data sets are x,y pairs
data1 = ["6/17/72", 11, "1/11/72", 7, "4/13/04 17:31", 11,
"9/11/01", 9, "9/1/85", 2, "9/1/88", 1, "1/15/95", 13]
data2 = ["8/1/73", 18, "3/1/77", 15, "10/1/98", 4,
"5/1/02", 14, "3/1/95", 6, "8/1/91", 12, "12/1/87", 6,
"5/1/84", 17, "10/1/80", 12]
graph = SVG::Graph::TimeSeries.new( {
:width => 640,
:height => 480,
:graph_title => title,
:show_graph_title => true,
:no_css => true,
:key => true,
:scale_x_integers => true,
:scale_y_integers => true,
:min_x_value => 0,
:min_y_value => 0,
:show_data_labels => true,
:show_x_guidelines => true,
:show_x_title => true,
:x_title => "Time",
:show_y_title => true,
:y_title => "Ice Cream Cones",
:y_title_text_direction => :bt,
:stagger_x_labels => true,
:x_label_format => "%m/%d/%y",
})
graph.add_data({
:data => projection
:title => 'Projected',
})
graph.add_data({
:data => actual,
:title => 'Actual',
})
print graph.burn()
= Description
Produces a graph of temporal scalar data.
= Examples
http://www.germane-software/repositories/public/SVG/test/timeseries.rb
= Notes
The default stylesheet handles upto 10 data sets, if you
use more you must create your own stylesheet and add the
additional settings for the extra data sets. You will know
if you go over 10 data sets as they will have no style and
be in black.
Unlike the other types of charts, data sets must contain x,y pairs:
[ "12:30", 2 ] # A data set with 1 point: ("12:30",2)
[ "01:00",2, "14:20",6] # A data set with 2 points: ("01:00",2) and
# ("14:20",6)
Note that multiple data sets within the same chart can differ in length,
and that the data in the datasets needn't be in order; they will be ordered
by the plot along the X-axis.
The dates must be parseable by ParseDate, but otherwise can be
any order of magnitude (seconds within the hour, or years)
= See also
* SVG::Graph::Graph
* SVG::Graph::BarHorizontal
* SVG::Graph::Bar
* SVG::Graph::Line
* SVG::Graph::Pie
* SVG::Graph::Plot
== Author
Sean E. Russell <serATgermaneHYPHENsoftwareDOTcom>
Copyright 2004 Sean E. Russell
This software is available under the Ruby license[LICENSE.txt]
"""
popup_format = x_label_format = '%Y-%m-%d %H:%M:%S'
__doc_popup_format_ = "The formatting usped for the popups. See x_label_format"
__doc_x_label_format_ = "The format string used to format the X axis labels. See strftime."
def add_data( self, data ):
"""Add data to the plot.
d1 = [ "12:30", 2 ] # A data set with 1 point: ("12:30",2)
d2 = [ "01:00",2, "14:20",6] # A data set with 2 points: ("01:00",2) and
# ("14:20",6)
graph.add_data(
:data => d1,
:title => 'One'
)
graph.add_data(
:data => d2,
:title => 'Two'
)
Note that the data must be in time,value pairs, and that the date format
may be any date that is parseable by ParseDate."""
super( self.__class__, self ).add_data( data )
def validate_data( self, data ):
if len( data['data'] ) % 2 != 0: raise "Expecting an even set of data points for TimeSeries."
def process_data( self, data ):
pairs = get_pairs( data['data'] )
pairs = map( lambda (x,y): (self.parse_date(x),y), pairs )
pairs.sort()
data['data'] = zip( *pairs )
def get_min_x_value( self ):
return self._min_x_value
def set_min_x_value( self, date ):
self._min_x_value = self.parse_date( date )
min_x_value = property( get_min_x_value, set_min_x_value )
def format( self, x, y ):
return x.strftime( self.popup_format )
def get_x_labels( self ):
return map( lambda t: t.strftime( self.x_label_format ), self.get_x_values() )
def get_x_values( self ):
result = self.get_x_timescale_division_values()
if result: return result
return range( *self.x_range() )
def get_x_timescale_division_values( self ):
if not self.timescale_divisions: return
min, max, scale_division = self.x_range()
m = re.match( '(?P<amount>\d+) ?(?P<division_units>days|weeks|months|years|hours|minutes|seconds)?', self.timescale_divisions )
# copy amount and division_units into the local namespace
vars.update( m.groupdict() )
division_units = division_units or 'days'
amount = int( amount )
if not amount: return
if division_units == 'weeks':
amount *= 7
division_units = 'days'
# strip off the plural (s)
division_units = division_units[:-1]
result = self.get_time_range( min, max, step, units )
return result
def get_time_range( self, start, stop, step, units ):
current = start
while current < stop:
yield current
current.replace( **{ units: current.getattr( units ) + step } )

722
__init__.py

@ -14,6 +14,36 @@ def CreateElement( nodeName, attributes={} ):
map( lambda a: node.setAttribute( *a ), attributes.items() )
return node
def sort_multiple( arrays ):
"sort multiple lists (of equal size) using the first list for the sort keys"
tuples = zip( *arrays )
tuples.sort()
return zip( *tuples )
"""def sort_multiple( arrays, lo=0, hi=None ):
if hi is None: hi = len(arrays[0])-1
if lo < hi:
p = partition( arrays, lo, hi )
sort_multiple( arrays, lo, p-1 )
sort_multiple( arrays, p+1, hi )
return arrays
def partition( arrays, lo, hi ):
"Partition for a quick sort"
p = arrays[0][lo]
l = lo
z = lo+1
while z <= hi:
if arrays[0][z] < p:
l += 1
for array in arrays:
array[z], array[l] = array[l], array[z]
z += 1
for array in arrays:
array[lo], array[l] = array[l], array[lo]
return l
"""
class Graph( object ):
"""=== Base object for generating SVG Graphs
@ -129,6 +159,11 @@ It can be called several times to add more data sets in.
... 'title': 'Sales 2002'
... })
"""
self.validate_data( data )
self.process_data( data )
self.data.append( conf )
def validate_data( self, data ):
try:
assert( isinstance( conf['data'], ( tuple, list ) ) )
except TypeError, e:
@ -137,7 +172,7 @@ It can be called several times to add more data sets in.
if not hasattr( conf['data'], '__iter__' ):
raise TypeError, "conf['data'] should be tuple or list or iterable"
self.data.append( conf )
def process_data( data ): pass
def clear_data( self ):
"""This method removes all data from the object so that you can
@ -270,7 +305,7 @@ of the plot area. Results in border_bottom being set."""
if self.show_x_title: bb += self.x_title_font_size + 5
self.border_bottom = bb
def draw_graph:
def draw_graph( self ):
transform = 'translate ( %s %s )' % ( self.border_left, self.border_top )
self.graph = CreateElement( 'g', { 'transform': transform } )
self.root.appendChild( self.graph )
@ -278,8 +313,8 @@ of the plot area. Results in border_bottom being set."""
self.graph.appendChild( CreateElement( 'rect', {
'x': '0',
'y': '0',
'width': str( self.graph_width )
'height': str( self.graph_height )
'width': str( self.graph_width ),
'height': str( self.graph_height ),
'class': 'graphBackground'
} ) )
@ -316,7 +351,6 @@ Centered in the field, should be width/2. Start, 0."""
def draw_x_labels( self ):
"Draw the X axis labels"
stagger = self.x_label_font_size + 5
if self.show_x_labels:
label_width = self.field_width
@ -324,445 +358,261 @@ Centered in the field, should be width/2. Start, 0."""
count = len( labels )
labels = enumerate( iter( labels ) )
start = int( !self.step_include_first_x_label )
start = int( not self.step_include_first_x_label )
labels = itertools.islice( labels, start, None, self.step_x_labels )
map( self.draw_x_label, labels )
self.draw_x_guidelines( label_width, count )
def draw_x_label( self, label ):
def draw_x_label( self, label, label_width ):
index, label = label
text = CreateElement( 'text', { 'class': 'xAxisLabels' } )
text.appendChild( self._doc.createTextNode( label ) )
self.graph.appendChild( text )
x = index * label_width + self.x_label_offset( label_width )
y = self.graph_height + self.x_label_font_size + 3
t = 0 - ( self.font_size / 2 )
if self.stagger_x_labels and (index % 2 ):
stagger = self.x_label_font_size + 5
y += stagger
graph_height = self.graph_height
path = CreateElement( 'path', {
'd': 'M%(x)d %(graph_height)d v%(stagger)d' % vars(),
'class': 'staggerGuideLine'
} )
self.graph.appendChild( path )
text.setAttribute( 'x', str( x ) )
text.setAttribute( 'y', str( y ) )
if self.rotate_x_labels:
transform = 'rotate( 90 %d %d ) translate( 0 -%d )' % \
( x, y-self.x_label_font_size, x_label_font_size/4 )
text.setAttribute( 'transform', transform )
text.setAttribute( 'style', 'text-anchor: start' )
else:
text.setAttribute( 'style', 'text-anchor: middle' )
def y_label_offset( self, height ):
"""Where in the Y area the label is drawn
Centered in the field, should be width/2. Start, 0."""
return 0
def get_field_width( self ):
return float( self.graph_width - font_size*2*right_font ) / \
( len( self.get_x_labels() ) - self.right_align )
field_width = property( get_field_width )
def get_field_height( self ):
return float( self.graph_height - self.font_size*2*self.top_font ) / \
( len( self.get_y_labels() ) - self.top_align )
field_height = property( self.get_field_height )
def draw_y_labels( self ):
"Draw the Y axis labels"
if self.show_y_labels:
label_height = self.field_height
labels = self.get_y_labels()
count = len( labels )
labels = enumerate( iter( labels ) )
start = int( not self.step_include_first_y_label )
labels = itertools.islice( labels, start, None, self.step_y_labels )
map( self.draw_y_label, labels )
self.draw_y_guidelines( label_height, count )
def get_y_offset( self ):
result = self.graph_height + self.y_label_offset( self.label_height )
if self.rotate_y_labels: result += self.font_size/1.2
return result
y_offset = property( get_y_offset )
def draw_y_label( self, label ):
index, label = label
text = CreateElement( 'text', { 'class': 'yAxisLabels' } )
text.appendChild( self._doc.createTextNode( label ) )
self.graph.appendChild( text )
y = self.y_offset - ( self.label_height * index )
x = {True: 0, False:-3}[self.rotate_y_labels]
if self.stagger_x_labels and (index % 2 ):
stagger = self.y_label_font_size + 5
x -= stagger
path = CreateElement( 'path', {
'd': 'M%(x)d %(y)d v%(stagger)d' % vars(),
'class': 'staggerGuideLine'
} )
self.graph.appendChild( path )
text.setAttribute( 'x', str( x ) )
text.setAttribute( 'y', str( y ) )
if self.rotate_y_labels:
transform = 'translate( -%d 0 ) rotate ( 90 %d %d )' % \
( self.font_size, x, y )
text.setAttribute( 'transform', transform )
text.setAttribute( 'style', 'text-anchor: middle' )
else:
text.setAttribute( 'y', str( y - self.y_label_font_size/2 ) )
text.setAttribute( 'style', 'text-anchor: middle' )
def draw_x_guidelines( self, label_height, count ):
"Draw the X-axis guidelines"
# skip the first one
for count in range(1,count):
start = label_height*count
stop = self.graph_height
path = CreateElement( 'path', {
'd': 'M %(start)s h%(stop)s' % vars(),
'class': 'guideLines' } )
self.graph.appendChild( path )
def draw_y_guidelines( self, label_height, count ):
"Draw the Y-axis guidelines"
for count in range( 1, count ):
start = self.graph_height - label_height*count
stop = self.graph_width
path = CreateElement( 'path', {
'd': 'MO %(start)s h%(stop)s' % vars(),
'class': 'guideLines' } )
self.graph.appendChild( path )
def draw_titles( self ):
"Draws the graph title and subtitle"
if self.show_graph_title: draw_graph_title()
if self.show_graph_subtitle: draw_graph_subtitle()
if self.show_x_title: draw_x_title()
if self.show_y_title: draw_y_title()
def draw_graph_title( self ):
text = CreateElement( 'text', {
'x': str( self.width / 2 ),
'y': str( self.title_font_size ),
'class': 'mainTitle' } )
text.appendChild( self._doc.createTextNode( self.graph_title ) )
self.root.appendChild( text )
def draw_graph_subtitle( self ):
raise NotImplementedError
draw_x_title = draw_y_title = draw_graph_subtitle
def keys( self ):
return map( operator.itemgetter( 'title' ), self.data )
def draw_legend( self ):
if self.key:
group = CreateElement( 'g' )
root.appendChild( group )
for key_count, key_name in enumerate( self.keys() ):
y_offset = ( self.KEY_BOX_SIZE * key_count ) + (key_count * 5 )
rect = group.CreateElement( 'rect', {
'x': '0',
'y': str( y_offset ),
'width': str( self.KEY_BOX_SIZE ),
'height': str( self.KEY_BOX_SIZE ),
'class': 'key%s' % key_count + 1,
} )
group.appendChild( rect )
text = group.CreateElement( 'text', {
'x': str( self.KEY_BOX_SIZE + 5 ),
'y': str( y_offset + self.KEY_BOX_SIZE ),
'class': 'keyText' } )
text.appendChild( doc.createTextNode( key_name ) )
group.appendChild( text )
if self.key_position == 'right':
x_offset = self.graph_width, self.border_left + 10
y_offset = border_top + 20
if self.key_position == 'bottom':
raise NotImplementedError
group.setAttribute( 'transform', 'translate(%(x_offset)d %(y_offset)d)' % vars() )
def style( self ):
"hard code the styles into the xml if style sheets are not used."
if self.no_css:
styles = self.parse_css()
for node in xpath.Evaluate( '//*[@class]', self.root ):
cl = node.getAttribute( 'class' )
style = styles[ cl ]
if node.hasAttribute( 'style' ):
style += node.getAtrtibute( 'style' )
node.setAttribute( 'style', style )
def parse_css( self ):
"""Take a .css file (classes only please) and parse it into a dictionary
of class/style pairs."""
css = self.get_style()
result = {}
for match in re.finditer( '^(?<names>\.(\w+)(?:\s*,\s*\.\w+)*)\s*\{(?<content>[^}]+)\}' ):
names = match.group_dict()['names']
# apperantly, we're only interested in class names
names = filter( None, re.split( '\s*,?\s*\.' ) )
content = match.group_dict()['content']
# convert all whitespace to
content = re.sub( '\s+', ' ', content )
for name in names:
result[name] = ';'.join( result[name], content )
return result
def add_defs( self, defs ):
"Override and place code to add defs here"
pass
def start_svg( self ):
"Base SVG Document Creation"
impl = dom.getDOMImplementation()
#dt = impl.createDocumentType( 'svg', 'PUBLIC'
self._doc = impl.createDocument( None, 'svg', None )
self.root = self._doc.getDocumentElement()
ruby = """
# Draws the background, axis, and labels.
def draw_graph
@graph = @root.add_element( "g", {
"transform" => "translate( #@border_left #@border_top )"
})
# Background
@graph.add_element( "rect", {
"x" => "0",
"y" => "0",
"width" => @graph_width.to_s,
"height" => @graph_height.to_s,
"class" => "graphBackground"
})
# Axis
@graph.add_element( "path", {
"d" => "M 0 0 v#@graph_height",
"class" => "axis",
"id" => "xAxis"
})
@graph.add_element( "path", {
"d" => "M 0 #@graph_height h#@graph_width",
"class" => "axis",
"id" => "yAxis"
})
draw_x_labels
draw_y_labels
end
# Where in the X area the label is drawn
# Centered in the field, should be width/2. Start, 0.
def x_label_offset( width )
0
end
def make_datapoint_text( x, y, value, style="" )
if show_data_values
@foreground.add_element( "text", {
"x" => x.to_s,
"y" => y.to_s,
"class" => "dataPointLabel",
"style" => "#{style} stroke: #fff; stroke-width: 2;"
}).text = value.to_s
text = @foreground.add_element( "text", {
"x" => x.to_s,
"y" => y.to_s,
"class" => "dataPointLabel"
})
text.text = value.to_s
text.attributes["style"] = style if style.length > 0
end
end
# Draws the X axis labels
def draw_x_labels
stagger = x_label_font_size + 5
if show_x_labels
label_width = field_width
count = 0
for label in get_x_labels
if step_include_first_x_label == true then
step = count % step_x_labels
else
step = (count + 1) % step_x_labels
end
if step == 0 then
text = @graph.add_element( "text" )
text.attributes["class"] = "xAxisLabels"
text.text = label.to_s
x = count * label_width + x_label_offset( label_width )
y = @graph_height + x_label_font_size + 3
t = 0 - (font_size / 2)
if stagger_x_labels and count % 2 == 1
y += stagger
@graph.add_element( "path", {
"d" => "M#{x} #@graph_height v#{stagger}",
"class" => "staggerGuideLine"
})
end
text.attributes["x"] = x.to_s
text.attributes["y"] = y.to_s
if rotate_x_labels
text.attributes["transform"] =
"rotate( 90 #{x} #{y-x_label_font_size} )"+
" translate( 0 -#{x_label_font_size/4} )"
text.attributes["style"] = "text-anchor: start"
else
text.attributes["style"] = "text-anchor: middle"
end
end
draw_x_guidelines( label_width, count ) if show_x_guidelines
count += 1
end
end
end
# Where in the Y area the label is drawn
# Centered in the field, should be width/2. Start, 0.
def y_label_offset( height )
0
end
def field_width
(@graph_width.to_f - font_size*2*right_font) /
(get_x_labels.length - right_align)
end
def field_height
(@graph_height.to_f - font_size*2*top_font) /
(get_y_labels.length - top_align)
end
# Draws the Y axis labels
def draw_y_labels
stagger = y_label_font_size + 5
if show_y_labels
label_height = field_height
count = 0
y_offset = @graph_height + y_label_offset( label_height )
y_offset += font_size/1.2 unless rotate_y_labels
for label in get_y_labels
y = y_offset - (label_height * count)
x = rotate_y_labels ? 0 : -3
if stagger_y_labels and count % 2 == 1
x -= stagger
@graph.add_element( "path", {
"d" => "M#{x} #{y} h#{stagger}",
"class" => "staggerGuideLine"
})
end
text = @graph.add_element( "text", {
"x" => x.to_s,
"y" => y.to_s,
"class" => "yAxisLabels"
})
text.text = label.to_s
if rotate_y_labels
text.attributes["transform"] = "translate( -#{font_size} 0 ) "+
"rotate( 90 #{x} #{y} ) "
text.attributes["style"] = "text-anchor: middle"
else
text.attributes["y"] = (y - (y_label_font_size/2)).to_s
text.attributes["style"] = "text-anchor: end"
end
draw_y_guidelines( label_height, count ) if show_y_guidelines
count += 1
end
end
end
# Draws the X axis guidelines
def draw_x_guidelines( label_height, count )
if count != 0
@graph.add_element( "path", {
"d" => "M#{label_height*count} 0 v#@graph_height",
"class" => "guideLines"
})
end
end
# Draws the Y axis guidelines
def draw_y_guidelines( label_height, count )
if count != 0
@graph.add_element( "path", {
"d" => "M0 #{@graph_height-(label_height*count)} h#@graph_width",
"class" => "guideLines"
})
end
end
# Draws the graph title and subtitle
def draw_titles
if show_graph_title
@root.add_element( "text", {
"x" => (width / 2).to_s,
"y" => (title_font_size).to_s,
"class" => "mainTitle"
}).text = graph_title.to_s
end
if show_graph_subtitle
y_subtitle = show_graph_title ?
title_font_size + 10 :
subtitle_font_size
@root.add_element("text", {
"x" => (width / 2).to_s,
"y" => (y_subtitle).to_s,
"class" => "subTitle"
}).text = graph_subtitle.to_s
end
if show_x_title
y = @graph_height + @border_top + x_title_font_size
if show_x_labels
y += x_label_font_size + 5 if stagger_x_labels
y += x_label_font_size + 5
end
x = width / 2
@root.add_element("text", {
"x" => x.to_s,
"y" => y.to_s,
"class" => "xAxisTitle",
}).text = x_title.to_s
end
if show_y_title
x = y_title_font_size + (y_title_text_direction==:bt ? 3 : -3)
y = height / 2
text = @root.add_element("text", {
"x" => x.to_s,
"y" => y.to_s,
"class" => "yAxisTitle",
})
text.text = y_title.to_s
if y_title_text_direction == :bt
text.attributes["transform"] = "rotate( -90, #{x}, #{y} )"
else
text.attributes["transform"] = "rotate( 90, #{x}, #{y} )"
end
end
end
def keys
return @data.collect{ |d| d[:title] }
end
# Draws the legend on the graph
def draw_legend
if key
group = @root.add_element( "g" )
key_count = 0
for key_name in keys
y_offset = (KEY_BOX_SIZE * key_count) + (key_count * 5)
group.add_element( "rect", {
"x" => 0.to_s,
"y" => y_offset.to_s,
"width" => KEY_BOX_SIZE.to_s,
"height" => KEY_BOX_SIZE.to_s,
"class" => "key#{key_count+1}"
})
group.add_element( "text", {
"x" => (KEY_BOX_SIZE + 5).to_s,
"y" => (y_offset + KEY_BOX_SIZE).to_s,
"class" => "keyText"
}).text = key_name.to_s
key_count += 1
end
case key_position
when :right
x_offset = @graph_width + @border_left + 10
y_offset = @border_top + 20
when :bottom
x_offset = @border_left + 20
y_offset = @border_top + @graph_height + 5
if show_x_labels
max_x_label_height_px = rotate_x_labels ?
get_x_labels.max{|a,b|
a.length<=>b.length
}.length * x_label_font_size :
x_label_font_size
y_offset += max_x_label_height_px
y_offset += max_x_label_height_px + 5 if stagger_x_labels
end
y_offset += x_title_font_size + 5 if show_x_title
end
group.attributes["transform"] = "translate(#{x_offset} #{y_offset})"
end
end
private
def sort_multiple( arrys, lo=0, hi=arrys[0].length-1 )
if lo < hi
p = partition(arrys,lo,hi)
sort_multiple(arrys, lo, p-1)
sort_multiple(arrys, p+1, hi)
end
arrys
end
def partition( arrys, lo, hi )
p = arrys[0][lo]
l = lo
z = lo+1
while z <= hi
if arrys[0][z] < p
l += 1
arrys.each { |arry| arry[z], arry[l] = arry[l], arry[z] }
end
z += 1
end
arrys.each { |arry| arry[lo], arry[l] = arry[l], arry[lo] }
l
end
def style
if no_css
styles = parse_css
@root.elements.each("//*[@class]") { |el|
cl = el.attributes["class"]
style = styles[cl]
style += el.attributes["style"] if el.attributes["style"]
el.attributes["style"] = style
}
end
end
def parse_css
css = get_style
rv = {}
while css =~ /^(\.(\w+)(?:\s*,\s*\.\w+)*)\s*\{/m
names_orig = names = $1
css = $'
css =~ /([^}]+)\}/m
content = $1
css = $'
nms = []
while names =~ /^\s*,?\s*\.(\w+)/
nms << $1
names = $'
end
content = content.tr( "\n\t", " ")
for name in nms
current = rv[name]
current = current ? current+"; "+content : content
rv[name] = current.strip.squeeze(" ")
end
end
return rv
end
# Override and place code to add defs here
def add_defs defs
end
def start_svg
# Base document
@doc = Document.new
@doc << XMLDecl.new
@doc << DocType.new( %q{svg PUBLIC "-//W3C//DTD SVG 1.0//EN" } +
%q{"http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd"} )
if style_sheet && style_sheet != ''
@doc << ProcessingInstruction.new( "xml-stylesheet",
%Q{href="#{style_sheet}" type="text/css"} )
end
@root = @doc.add_element( "svg", {
"width" => width.to_s,
"height" => height.to_s,
"viewBox" => "0 0 #{width} #{height}",
"xmlns" => "http://www.w3.org/2000/svg",
"xmlns:xlink" => "http://www.w3.org/1999/xlink",
"xmlns:a3" => "http://ns.adobe.com/AdobeSVGViewerExtensions/3.0/",
"a3:scriptImplementation" => "Adobe"
})
@root << Comment.new( " "+"\\"*66 )
@root << Comment.new( " Created with SVG::Graph " )
@root << Comment.new( " SVG::Graph by Sean E. Russell " )
@root << Comment.new( " Losely based on SVG::TT::Graph for Perl by"+
" Leo Lapworth & Stephan Morgan " )
@root << Comment.new( " "+"/"*66 )
defs = @root.add_element( "defs" )
add_defs defs
if not(style_sheet && style_sheet != '') and !no_css
@root << Comment.new(" include default stylesheet if none specified ")
style = defs.add_element( "style", {"type"=>"text/css"} )
style << CData.new( get_style )
end
@root << Comment.new( "SVG Background" )
@root.add_element( "rect", {
"width" => width.to_s,
"height" => height.to_s,
"x" => "0",
"y" => "0",
"class" => "svgBackground"
})
end
def calculate_graph_dimensions
calculate_left_margin
calculate_right_margin
calculate_bottom_margin
calculate_top_margin
@graph_width = width - @border_left - @border_right
@graph_height = height - @border_top - @border_bottom
end
def get_style
return <<EOL
/* Copy from here for external style sheet */
self.root = self._doc.documentElement()
if self.style_sheet:
pi = self._doc.createProcessingInstruction( 'xml-stylesheet',
'href="%s" type="text/css"' % self.style_sheet )
attributes = {
'width': str( self.width ),
'height': str( self.height ),
'viewBox': '0 0 %s %s' % ( width, height ),
'xmlns': 'http://www.w3.org/2000/svg',
'xmlns:xlink': 'http://www.w3.org/1999/xlink',
'xmlns:a3': 'http://ns.adobe.com/AdobeSVGViewerExtensions/3.0/',
'a3:scriptImplementation': 'Adobe' }
map( lambda a: self.root.setAttribute( *a ), attributes.items() )
self.root.appendChild( self._doc.createComment( ' Created with SVG.Graph ' ) )
self.root.appendChild( self._doc.createComment( ' SVG.Graph by Jason R. Coombs ' ) )
self.root.appendChild( self._doc.createComment( ' Based on SVG::Graph by Sean E. Russel ' ) )
self.root.appendChild( self._doc.createComment( ' Based on Perl SVG:TT:Graph by Leo Lapworth & Stephan Morgan ' ) )
self.root.appendChild( self._doc.createComment( ' '+'/'*66 ) )
defs = self._doc.createElement( 'defs' )
self.add_defs( defs )
if not self.style_sheet and not self.no_css:
self.root.appendChild( self._doc.createComment( ' include default stylesheet if none specified ' ) )
style = CreateElement( 'style', { 'type': 'text/css' } )
defs.appendChild( style )
style.createCDataNode( self.get_style() )
self.root.appendChild( self._doc.createComment( 'SVG Background' ) )
rect = CreateElement( 'rect', {
'width': str( width ),
'height': str( height ),
'x': '0',
'y': '0',
'class': 'svgBackground' } )
def calculate_graph_dimensions( self ):
self.calculate_left_margin()
self.calculate_right_margin()
self.calculate_bottom_margin()
self.calculate_top_margin()
self.graph_width = self.width - self.border_left - self.border_right
self.graph_height = self.height - self.border_top - self.border_bottom
def get_style( self ):
return """/* Copy from here for external style sheet */
.svgBackground{
fill:#ffffff;
}
@ -843,7 +693,7 @@ ruby = """
stroke-width: 0.5px;
}
#{get_css}
%s
.keyText{
fill: #000000;
@ -853,10 +703,4 @@ ruby = """
font-weight: normal;
}
/* End copy for external style sheet */
EOL
end
end
end
end
"""
""" % self.get_css()
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