added some options to unwind paths
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@ -4,10 +4,14 @@
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<id>fablabchemnitz.de.unwind_paths</id>
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<param name="tab" type="notebook">
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<page name="tab_settings" gui-text="Unwind Paths">
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<label appearance="header">Settings</label>
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<label appearance="header">General Settings</label>
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<param name="keep_original" type="bool" gui-text="Keep original paths" gui-description="If selected, the original paths get deleted">false</param>
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<param name="break_apart" type="bool" gui-text="Break apart paths" gui-description="Split each path into single curve segments">false</param>
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<param name="colorize" type="bool" gui-text="Colorize glue pairs" gui-description="Requires enabled 'Break apart' option">false</param>
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<param name="break_only" type="bool" gui-text="Break apart paths only" gui-description="No unwinding at all">false</param>
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<label appearance="header">Color Style</label>
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<param name="colorize" type="bool" gui-text="Colorize" gui-description="Colorize original paths and glue pairs">false</param>
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<param name="color_increment" type="int" min="1" max="255" gui-text="Color increment" gui-description="For each segment we count up n colors. Does not apply if 'Randomize colors' is enabled.">10000</param>
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<param name="randomize_colors" type="bool" gui-text="Randomize colors">false</param>
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<label appearance="header">Extrude Options</label>
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<param name="extrude" type="bool" gui-text="Extrude">false</param>
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<param name="extrude_height" type="float" min="0.000" max="99999.000" precision="3" gui-text="Extrude height">10.000</param>
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@ -25,7 +25,7 @@ ToDos:
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"""
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import copy
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import inkex
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from inkex import bezier, Path, CubicSuperPath
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from inkex import Color, bezier, Path, CubicSuperPath
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from lxml import etree
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import math
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import random
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@ -41,7 +41,10 @@ class UnwindPaths(inkex.EffectExtension):
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pars.add_argument('--tab')
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pars.add_argument('--keep_original', type=inkex.Boolean, default=False, help="If selected, the original paths get deleted")
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pars.add_argument('--break_apart', type=inkex.Boolean, default=False, help="Split each path into single curve segments")
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pars.add_argument('--colorize', type=inkex.Boolean, default=False, help="Requires enabled 'Break apart' option")
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pars.add_argument('--break_only', type=inkex.Boolean, default=False, help="Only splits root paths into segments (no unwinding)")
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pars.add_argument('--colorize', type=inkex.Boolean, default=False, help="Colorize original paths and glue pairs")
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pars.add_argument('--color_increment', type=int, default=10000, help="For each segment we count up n colors. Does not apply if 'Randomize colors' is enabled.")
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pars.add_argument('--randomize_colors', type=inkex.Boolean, default=False, help="Randomize colors")
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pars.add_argument('--extrude', type=inkex.Boolean, default=False)
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pars.add_argument('--extrude_height', type=float, default=10.000)
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pars.add_argument('--unit', default="mm")
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@ -79,6 +82,14 @@ class UnwindPaths(inkex.EffectExtension):
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self.breakContours(child, breakelements)
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return breakelements
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def rgb(self, minimum, maximum, value):
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minimum, maximum = float(minimum), float(maximum)
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ratio = 2 * (value-minimum) / (maximum - minimum)
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b = int(max(0, 255 * (1 - ratio)))
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r = int(max(0, 255 * (ratio - 1)))
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g = 255 - b - r
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return r, g, b
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def effect(self):
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shifting = self.svg.unittouu(str(self.options.extrude_height) + self.options.unit)
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@ -106,12 +117,16 @@ class UnwindPaths(inkex.EffectExtension):
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#generate random colors; used to identify glue tab pairs
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if self.options.colorize is True:
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randomColorSet = []
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while len(randomColorSet) < subCount - 1:
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r = lambda: random.randint(0,255)
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newColor = '#%02X%02X%02X' % (r(),r(),r())
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if newColor not in randomColorSet:
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randomColorSet.append(newColor)
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colorSet = []
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if self.options.randomize_colors is True:
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while len(colorSet) < subCount - 1:
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r = lambda: random.randint(0,255)
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newColor = '#%02X%02X%02X' % (r(),r(),r())
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if newColor not in colorSet:
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colorSet.append(newColor)
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else:
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for i in range(subCount):
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colorSet.append(Color(self.rgb(0, i+self.options.color_increment, 1*i)))
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for sub in csp:
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#generate new horizontal line data by measuring each segment
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@ -125,58 +140,60 @@ class UnwindPaths(inkex.EffectExtension):
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if self.options.break_apart is True:
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topLineGroup = self.svg.get_current_layer().add(inkex.Group(id="hline-top-" + element.get('id')))
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bottomLineGroup = self.svg.get_current_layer().add(inkex.Group(id="hline-bottom-" + element.get('id')))
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newOriginalPathGroup = self.svg.get_current_layer().add(inkex.Group(id="new-original-" + element.get('id')))
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elemGroup.append(topLineGroup)
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elemGroup.append(bottomLineGroup)
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newOriginalPathGroup = self.svg.get_current_layer().add(inkex.Group(id="new-original-" + element.get('id')))
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self.svg.get_current_layer().append(newOriginalPathGroup) #we want this to be one level above unwound stuff
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if self.options.extrude is True:
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vlinesGroup = self.svg.get_current_layer().add(inkex.Group(id="vlines-" + element.get('id')))
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elemGroup.append(vlinesGroup)
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while i <= len(sub) - 1:
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stroke_color = '#000000'
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if self.options.colorize is True and self.options.break_apart is True:
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stroke_color =randomColorSet[i-1]
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horizontal_line_style = {'stroke':stroke_color,'stroke-width':'1px','fill':'none'}
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length = bezier.cspseglength(new[-1][-1], sub[i]) #sub path length
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segment = "h {:0.6f} ".format(length)
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topPathData += segment
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bottomPathData += segment
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new[-1].append(sub[i]) #important line!
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if self.options.break_apart is True:
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self.drawline("m {:0.6f},{:0.0f} ".format(xmin + sum([length for length in lengths]), ymax) + segment,
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"segmented-top-{}-{}".format(element.get('id'), i), topLineGroup, horizontal_line_style)
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if self.options.break_only is False:
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while i <= len(sub) - 1:
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stroke_color = '#000000'
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if self.options.colorize is True and self.options.break_apart is True:
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stroke_color =colorSet[i-1]
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horizontal_line_style = {'stroke':stroke_color,'stroke-width':'1px','fill':'none'}
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length = bezier.cspseglength(new[-1][-1], sub[i]) #sub path length
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segment = "h {:0.6f} ".format(length)
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topPathData += segment
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bottomPathData += segment
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new[-1].append(sub[i]) #important line!
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if self.options.break_apart is True:
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self.drawline("m {:0.6f},{:0.0f} ".format(xmin + sum([length for length in lengths]), ymax) + segment,
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"segmented-top-{}-{}".format(element.get('id'), i), topLineGroup, horizontal_line_style)
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if self.options.extrude is True:
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self.drawline("m {:0.6f},{:0.0f} ".format(xmin + sum([length for length in lengths]), ymax + shifting) + segment,
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"segmented-bottom-{}-{}".format(element.get('id'), i), bottomLineGroup, horizontal_line_style)
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lengths.append(length)
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i += 1
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if self.options.break_apart is False:
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self.drawline(topPathData, "combined-top-{0}".format(element.get('id')), elemGroup, horizontal_line_style)
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if self.options.extrude is True:
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self.drawline("m {:0.6f},{:0.0f} ".format(xmin + sum([length for length in lengths]), ymax + shifting) + segment,
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"segmented-bottom-{}-{}".format(element.get('id'), i), bottomLineGroup, horizontal_line_style)
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lengths.append(length)
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i += 1
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if self.options.break_apart is False:
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self.drawline(topPathData, "combined-top-{0}".format(element.get('id')), elemGroup, horizontal_line_style)
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self.drawline(bottomPathData, "combined-bottom-{0}".format(element.get('id')), elemGroup, horizontal_line_style)
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#draw as much vertical lines as segments in bezier + start + end vertical line
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vertical_end_lines_style = {'stroke':'#000000','stroke-width':'1px','fill':'none'}
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if self.options.extrude is True:
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self.drawline(bottomPathData, "combined-bottom-{0}".format(element.get('id')), elemGroup, horizontal_line_style)
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#draw as much vertical lines as segments in bezier + start + end vertical line
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vertical_end_lines_style = {'stroke':'#000000','stroke-width':'1px','fill':'none'}
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if self.options.extrude is True:
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#render start line
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self.drawline("m {:0.6f},{:0.6f} v {:0.6f}".format(xmin, ymax, shifting),"vline-{}-start".format(element.get('id')), vlinesGroup, vertical_end_lines_style)
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#render divider lines
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if self.options.render_vertical_dividers is True:
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vertical_mid_lines_style = {'stroke':'#000000','stroke-width':'1px','fill':'none'}
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if self.options.render_with_dashes is True:
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vertical_mid_lines_style = {'stroke':'#000000','stroke-width':'1px',"stroke-dasharray":"2 2", 'fill':'none'}
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x = 0
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for n in range(0, i-2):
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x += lengths[n]
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self.drawline("m {:0.6f},{:0.6f} v {:0.6f}".format(xmin + x, ymax, shifting),"vline-{}-{}".format(element.get('id'), n + 1), vlinesGroup, vertical_mid_lines_style)
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#render end line
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self.drawline("m {:0.6f},{:0.6f} v {:0.6f}".format(xmin + sum([length for length in lengths]), ymax, shifting),"vline-{}-end".format(element.get('id')), vlinesGroup, vertical_end_lines_style)
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#render start line
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self.drawline("m {:0.6f},{:0.6f} v {:0.6f}".format(xmin, ymax, shifting),"vline-{}-start".format(element.get('id')), vlinesGroup, vertical_end_lines_style)
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#render divider lines
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if self.options.render_vertical_dividers is True:
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vertical_mid_lines_style = {'stroke':'#000000','stroke-width':'1px','fill':'none'}
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if self.options.render_with_dashes is True:
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vertical_mid_lines_style = {'stroke':'#000000','stroke-width':'1px',"stroke-dasharray":"2 2", 'fill':'none'}
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x = 0
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for n in range(0, i-2):
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x += lengths[n]
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self.drawline("m {:0.6f},{:0.6f} v {:0.6f}".format(xmin + x, ymax, shifting),"vline-{}-{}".format(element.get('id'), n + 1), vlinesGroup, vertical_mid_lines_style)
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#render end line
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self.drawline("m {:0.6f},{:0.6f} v {:0.6f}".format(xmin + sum([length for length in lengths]), ymax, shifting),"vline-{}-end".format(element.get('id')), vlinesGroup, vertical_end_lines_style)
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if self.options.break_apart is True:
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# Split (already broken apart) paths into detached segments
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@ -204,12 +221,12 @@ class UnwindPaths(inkex.EffectExtension):
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stroke_color = '#000000'
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if self.options.colorize is True:
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stroke_color =randomColorSet[i-1]
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stroke_color =colorSet[i-1]
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new_original_line_style = {'stroke':stroke_color,'stroke-width':'1px','fill':'none'}
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self.drawline(d, "segmented-" + element.get('id'), newOriginalPathGroup, new_original_line_style)
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if self.options.keep_original is False:
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element.delete()
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element.delete()
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else:
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self.msg('Please select some paths first.')
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