added more options to paperfold
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extensions/fablabchemnitz
@ -4,29 +4,45 @@
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<id>fablabchemnitz.de.paperfold</id>
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<id>fablabchemnitz.de.paperfold</id>
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<param name="tab" type="notebook">
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<param name="tab" type="notebook">
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<page name="tab_settings" gui-text="Paperfold for Inkscape">
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<page name="tab_settings" gui-text="Paperfold for Inkscape">
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<param name="inputfile" type="path" gui-text="Input File" filetypes="obj,off,ply,stl" mode="file" gui-description="The model to unfold. You can use obj files provided in extensions dir of Inkscape \Poly3DObjects\*.obj to play around">/your/beautiful/3dmodel/file</param>
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<label appearance="header">Input</label>
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<param name="maxNumFaces" type="int" min="1" max="99999" gui-text="Maximum allowed faces" gui-description="If the STL file has too much detail it contains a large number of faces. This will make unfolding extremely slow. So we can limit it.">200</param>
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<param name="inputfile" type="path" gui-text="Input File" filetypes="obj,off,ply,stl" mode="file" gui-description="The model to unfold. You can use obj files provided in extensions dir of Inkscape \Poly3DObjects\*.obj to play around">/your/beautiful/3dmodel/file</param>
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<param name="printNumbers" type="bool" gui-text="Print numbers on the cut edges">true</param>
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<param name="maxNumFaces" type="int" min="1" max="99999" gui-text="Maximum allowed faces" gui-description="If the STL file has too much detail it contains a large number of faces. This will make unfolding extremely slow. So we can limit it.">200</param>
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<param name="printAngles" type="bool" gui-text="Print folding angles on the cut edges">true</param>
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<param name="fontSize" type="int" min="1" max="100" gui-text="Label font size (%)">15</param>
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<param name="scalefactor" type="float" precision="3" min="0.0001" max="10000.0" gui-text="Manual scale factor" gui-description="default is 1.0">1.0</param>
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<param name="scalefactor" type="float" precision="3" min="0.0001" max="10000.0" gui-text="Manual scale factor" gui-description="default is 1.0">1.0</param>
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<param name="resizetoimport" type="bool" gui-text="Resize the canvas to the imported drawing's bounding box">true</param>
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<separator/>
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<param name="extraborder" type="float" precision="3" gui-text="Add extra border around fitted canvas">0.0</param>
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<hbox>
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<param name="extraborder_units" type="optiongroup" appearance="combo" gui-text="Border offset units">
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<vbox>
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<option value="mm">mm</option>
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<label appearance="header">Output</label>
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<option value="cm">cm</option>
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<param name="printGluePairNumbers" type="bool" gui-text="Print glue pair numbers on cut edges">false</param>
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<option value="in">in</option>
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<param name="printAngles" type="bool" gui-text="Print folding angles on edges">false</param>
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<option value="pt">pt</option>
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<param name="printLengths" type="bool" gui-text="Print lengths on edges">false</param>
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<option value="px">px</option>
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<param name="importCoplanarEdges" type="bool" gui-text="Import coplanar edges">false</param>
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</param>
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<param name="printStats" type="bool" gui-text="Show some unfold statistics">false</param>
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<param name="color_valley_cut" type="color" appearance="colorbutton" gui-text="Color for valley cuts">255</param>
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<param name="resizetoimport" type="bool" gui-text="Resize the canvas to the imported drawing's bounding box">true</param>
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<param name="color_mountain_cut" type="color" appearance="colorbutton" gui-text="Color for mountain cuts">1968208895</param>
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<param name="extraborder" type="float" precision="3" gui-text="Add extra border around fitted canvas">0.0</param>
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<param name="color_coplanar_lines" type="color" appearance="colorbutton" gui-text="Color for coplanar lines">1943148287</param>
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<param name="extraborderUnits" type="optiongroup" appearance="combo" gui-text="Border offset units">
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<param name="color_valley_perforate" type="color" appearance="colorbutton" gui-text="Color for valley perforations">3422552319</param>
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<option value="mm">mm</option>
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<param name="color_mountain_perforate" type="color" appearance="colorbutton" gui-text="Color for mountain perforations">879076607</param>
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<option value="cm">cm</option>
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<param name="dashes" type="bool" gui-text="Dashes for cut/coplanar lines">true</param>
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<option value="in">in</option>
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<param name="printStats" type="bool" gui-text="Show some unfold statistics">true</param>
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<option value="pt">pt</option>
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<label appearance="header">Post Processing</label>
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<option value="px">px</option>
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</param>
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</vbox>
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<separator/>
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<vbox>
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<label appearance="header">Style</label>
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<param name="fontSize" type="int" min="1" max="100" gui-text="Label font size (%)">15</param>
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<param name="flipLabels" type="bool" gui-text="Flip labels">false</param>
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<param name="dashes" type="bool" gui-text="Dashes for cut/coplanar lines">true</param>
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<param name="separateGluePairsByColor" type="bool" gui-text="Separate glue pairs by color">false</param>
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<param name="colorValleyCut" type="color" appearance="colorbutton" gui-text="Valley cut edges">255</param>
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<param name="colorMountainCut" type="color" appearance="colorbutton" gui-text="Mountain cut edges">1968208895</param>
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<param name="colorCoplanarEdges" type="color" appearance="colorbutton" gui-text="Coplanar edges">1943148287</param>
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<param name="colorValleyPerforates" type="color" appearance="colorbutton" gui-text="Valley perforation edges">3422552319</param>
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<param name="colorMountainPerforates" type="color" appearance="colorbutton" gui-text="Mountain perforation edges">879076607</param>
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</vbox>
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</hbox>
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<separator/>
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<label appearance="header">Post Processing</label>
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<label appearance="url">https://clementzheng.github.io/joinery</label>
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<label appearance="url">https://clementzheng.github.io/joinery</label>
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</page>
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</page>
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<page name="tab_about" gui-text="About">
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<page name="tab_about" gui-text="About">
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@ -4,6 +4,7 @@ import math
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import inkex
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import inkex
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import tempfile
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import tempfile
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import os
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import os
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import random
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import numpy as np
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import numpy as np
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import openmesh as om
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import openmesh as om
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import networkx as nx
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import networkx as nx
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@ -18,7 +19,7 @@ Paperfold is another flattener for triangle mesh files, heavily based on paperfo
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Author: Mario Voigt / FabLab Chemnitz
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Author: Mario Voigt / FabLab Chemnitz
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Mail: mario.voigt@stadtfabrikanten.org
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Mail: mario.voigt@stadtfabrikanten.org
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Date: 13.09.2020
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Date: 13.09.2020
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Last patch: 06.05.2021
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Last patch: 08.05.2021
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License: GNU GPL v3
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License: GNU GPL v3
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To run this you need to install OpenMesh with python pip.
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To run this you need to install OpenMesh with python pip.
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@ -35,10 +36,6 @@ Module licenses
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possible import file types -> https://www.graphics.rwth-aachen.de/media/openmesh_static/Documentations/OpenMesh-8.0-Documentation/a04096.html
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possible import file types -> https://www.graphics.rwth-aachen.de/media/openmesh_static/Documentations/OpenMesh-8.0-Documentation/a04096.html
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ToDos:
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- Add glue tabs
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- Print statistics about groups
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"""
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"""
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# Compute the third point of a triangle when two points and all edge lengths are given
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# Compute the third point of a triangle when two points and all edge lengths are given
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@ -417,7 +414,7 @@ def findBoundingBox(mesh):
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return [xmin, ymin, boxSize]
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return [xmin, ymin, boxSize]
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def writeSVG(self, unfolding, size, printNumbers):
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def writeSVG(self, unfolding, size):
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mesh = unfolding[0]
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mesh = unfolding[0]
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isFoldingEdge = unfolding[1]
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isFoldingEdge = unfolding[1]
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glueNumber = unfolding[3]
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glueNumber = unfolding[3]
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@ -447,6 +444,15 @@ def writeSVG(self, unfolding, size, printNumbers):
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# Generate a main group
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# Generate a main group
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paperfoldPageGroup = self.document.getroot().add(inkex.Group(id=self.svg.get_unique_id("paperfold-page-")))
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paperfoldPageGroup = self.document.getroot().add(inkex.Group(id=self.svg.get_unique_id("paperfold-page-")))
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#generate random colors for glue pairs
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randomColorSet = []
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if self.options.separateGluePairsByColor:
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while len(randomColorSet) < len(mesh.edges()):
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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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# Go over all edges of the grid
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# Go over all edges of the grid
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for edge in mesh.edges():
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for edge in mesh.edges():
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# The two endpoints
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# The two endpoints
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@ -463,16 +469,18 @@ def writeSVG(self, unfolding, size, printNumbers):
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dihedralAngle = foldingDirection[edge.idx()]
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dihedralAngle = foldingDirection[edge.idx()]
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if dihedralAngle > 0:
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if dihedralAngle > 0:
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lineStyle.update({"stroke": self.options.color_mountain_cut})
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lineStyle.update({"stroke": self.options.colorMountainCut})
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line.set("id", self.svg.get_unique_id("mountain-cut-"))
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line.set("id", self.svg.get_unique_id("mountain-cut-"))
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mountainCuts += 1
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mountainCuts += 1
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elif dihedralAngle < 0:
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elif dihedralAngle < 0:
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lineStyle.update({"stroke": self.options.color_valley_cut})
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lineStyle.update({"stroke": self.options.colorValleyCut})
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line.set("id", self.svg.get_unique_id("valley-cut-"))
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line.set("id", self.svg.get_unique_id("valley-cut-"))
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valleyCuts += 1
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valleyCuts += 1
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elif dihedralAngle == 0:
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elif dihedralAngle == 0:
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lineStyle.update({"stroke": self.options.color_coplanar_lines})
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lineStyle.update({"stroke": self.options.colorCoplanarEdges})
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line.set("id", self.svg.get_unique_id("coplanar-line-"))
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line.set("id", self.svg.get_unique_id("coplanar-line-"))
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if self.options.importCoplanarEdges is False:
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line.delete()
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coplanarLines += 1
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coplanarLines += 1
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lineStyle.update({"stroke-width":str(strokewidth)})
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lineStyle.update({"stroke-width":str(strokewidth)})
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@ -485,55 +493,73 @@ def writeSVG(self, unfolding, size, printNumbers):
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if self.options.dashes is True:
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if self.options.dashes is True:
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lineStyle.update({"stroke-dasharray":(str(dashLength) + ", " + str(spaceLength))})
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lineStyle.update({"stroke-dasharray":(str(dashLength) + ", " + str(spaceLength))})
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if dihedralAngle > 0:
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if dihedralAngle > 0:
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lineStyle.update({"stroke": self.options.color_mountain_perforate})
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lineStyle.update({"stroke": self.options.colorMountainPerforates})
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line.set("id", self.svg.get_unique_id("mountain-perforate-"))
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line.set("id", self.svg.get_unique_id("mountain-perforate-"))
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mountainPerforations += 1
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mountainPerforations += 1
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if dihedralAngle < 0:
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if dihedralAngle < 0:
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lineStyle.update({"stroke": self.options.color_valley_perforate})
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lineStyle.update({"stroke": self.options.colorValleyPerforates})
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line.set("id", self.svg.get_unique_id("valley-perforate-"))
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line.set("id", self.svg.get_unique_id("valley-perforate-"))
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valleyPerforations += 1
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valleyPerforations += 1
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else:
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else:
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lineStyle.update({"stroke-dasharray":"none"})
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lineStyle.update({"stroke-dasharray":"none"})
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# The number of the edge to be glued
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if not isFoldingEdge[edge.idx()]:
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if self.options.separateGluePairsByColor is True:
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lineStyle.update({"stroke": randomColorSet[glueNumber[edge.idx()]]})
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gluePairs += 1
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lineStyle.update({"stroke-dashoffset":"0"})
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lineStyle.update({"stroke-dashoffset":"0"})
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lineStyle.update({"stroke-opacity":"1"})
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lineStyle.update({"stroke-opacity":"1"})
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line.style = lineStyle
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line.style = lineStyle
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# Textual things
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halfEdge = mesh.halfedge_handle(edge, 0) # Find halfedge in the face
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if mesh.face_handle(halfEdge).idx() == -1:
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halfEdge = mesh.opposite_halfedge_handle(halfEdge)
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vector = mesh.calc_edge_vector(halfEdge)
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# normalize
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vector = vector / np.linalg.norm(vector)
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midPoint = 0.5 * (
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mesh.point(mesh.from_vertex_handle(halfEdge)) + mesh.point(mesh.to_vertex_handle(halfEdge)))
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rotatedVector = np.array([-vector[1], vector[0], 0])
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angle = np.arctan2(vector[1], vector[0])
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position = midPoint + textDistance * rotatedVector
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if self.options.flipLabels is True:
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position = midPoint - textDistance * rotatedVector
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rotation = 180 / np.pi * angle
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if self.options.flipLabels is True:
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rotation += 180
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# The number of the edge to be glued
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text = paperfoldPageGroup.add(TextElement(id=self.svg.get_unique_id("number-")))
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if not isFoldingEdge[edge.idx()]:
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text.set("x", str(position[0]))
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# Find halfedge in the face
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text.set("y", str(position[1]))
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halfEdge = mesh.halfedge_handle(edge, 0)
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text.set("font-size", str(fontsize))
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if mesh.face_handle(halfEdge).idx() == -1:
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text.set("style", "stroke-width:" + str(textStrokewidth) + ";text-anchor:middle;text-align:center")
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halfEdge = mesh.opposite_halfedge_handle(halfEdge)
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text.set("transform", "rotate(" + str(rotation) + "," + str(position[0]) + "," + str(position[1]) + ")")
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vector = mesh.calc_edge_vector(halfEdge)
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# normalize
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tspan = text.add(Tspan())
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vector = vector / np.linalg.norm(vector)
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tspan.set("x", str(position[0]))
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midPoint = 0.5 * (
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tspan.set("y", str(position[1]))
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mesh.point(mesh.from_vertex_handle(halfEdge)) + mesh.point(mesh.to_vertex_handle(halfEdge)))
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tspan.set("style", "stroke-width:" + str(textStrokewidth) + ";text-anchor:middle;text-align:center")
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rotatedVector = np.array([-vector[1], vector[0], 0])
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tspanText = []
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angle = np.arctan2(vector[1], vector[0])
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if self.options.printGluePairNumbers is True and not isFoldingEdge[edge.idx()]:
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position = midPoint + textDistance * rotatedVector
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tspanText.append(str(glueNumber[edge.idx()]))
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rotation = 180 / np.pi * angle
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if self.options.printAngles is True:
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tspanText.append("{:0.2f}°".format(dihedralAngle))
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if self.options.printLengths is True:
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printUnit = True
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if printUnit is False:
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unitToPrint = self.svg.unit
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else:
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unitToPrint = ""
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tspanText.append("{:0.2f} {}".format(self.options.scalefactor * math.hypot(vertex1[0] - vertex0[0], vertex1[1] - vertex0[1]), unitToPrint))
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tspan.text = " | ".join(tspanText)
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if (printNumbers):
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if (self.options.printGluePairNumbers is False and self.options.printAngles is False and self.options.printLengths is False) or self.options.importCoplanarEdges is False and dihedralAngle == 0:
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text = paperfoldPageGroup.add(TextElement(id=self.svg.get_unique_id("number-")))
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text.delete()
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text.set("x", str(position[0]))
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tspan.delete()
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text.set("y", str(position[1]))
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text.set("font-size", str(fontsize))
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text.set("style", "stroke-width:" + str(textStrokewidth) + ";text-anchor:middle;text-align:center")
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text.set("transform", "rotate(" + str(rotation) + "," + str(position[0]) + "," + str(position[1]) + ")")
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tspan = text.add(Tspan())
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tspan.set("x", str(position[0]))
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tspan.set("y", str(position[1]))
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tspan.set("style", "stroke-width:" + str(textStrokewidth) + ";text-anchor:middle;text-align:center")
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tspan.text = str(glueNumber[edge.idx()])
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if self.options.printAngles is True:
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tspan.text += " ({:0.2f}°)".format(dihedralAngle)
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gluePairs += 1
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if self.options.printStats is True:
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if self.options.printStats is True:
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inkex.utils.debug("Folding edges stats:")
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inkex.utils.debug("Folding edges stats:")
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inkex.utils.debug(" * Number of mountain cuts: " + str(mountainCuts))
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inkex.utils.debug(" * Number of mountain cuts: " + str(mountainCuts))
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@ -542,7 +568,7 @@ def writeSVG(self, unfolding, size, printNumbers):
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inkex.utils.debug(" * Number of mountain perforations: " + str(mountainPerforations))
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inkex.utils.debug(" * Number of mountain perforations: " + str(mountainPerforations))
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inkex.utils.debug(" * Number of valley perforations: " + str(valleyPerforations))
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inkex.utils.debug(" * Number of valley perforations: " + str(valleyPerforations))
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inkex.utils.debug("-----------------------------------------------------------")
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inkex.utils.debug("-----------------------------------------------------------")
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inkex.utils.debug("Number of glue pairs: " + str(gluePairs))
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inkex.utils.debug("Number of glue pairs: {:0.0f}".format(gluePairs / 2))
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return paperfoldPageGroup
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return paperfoldPageGroup
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@ -550,22 +576,32 @@ class Unfold(inkex.EffectExtension):
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def add_arguments(self, pars):
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def add_arguments(self, pars):
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pars.add_argument("--tab")
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pars.add_argument("--tab")
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#Input
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pars.add_argument("--inputfile")
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pars.add_argument("--inputfile")
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pars.add_argument("--maxNumFaces", type=int, default=200, help="If the STL file has too much detail it contains a large number of faces. This will make unfolding extremely slow. So we can limit it.")
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pars.add_argument("--maxNumFaces", type=int, default=200, help="If the STL file has too much detail it contains a large number of faces. This will make unfolding extremely slow. So we can limit it.")
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pars.add_argument("--printNumbers", type=inkex.Boolean, default=False, help="Print numbers on the cut edges")
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pars.add_argument("--printAngles", type=inkex.Boolean, default=False, help="Print folding angles on the cut edges")
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pars.add_argument("--fontSize", type=int, default=15, help="Label font size (%)")
|
|
||||||
pars.add_argument("--scalefactor", type=float, default=1.0, help="Manual scale factor")
|
pars.add_argument("--scalefactor", type=float, default=1.0, help="Manual scale factor")
|
||||||
|
|
||||||
|
#Output
|
||||||
|
pars.add_argument("--printGluePairNumbers", type=inkex.Boolean, default=False, help="Print glue pair numbers on cut edges")
|
||||||
|
pars.add_argument("--printAngles", type=inkex.Boolean, default=False, help="Print folding angles on edges")
|
||||||
|
pars.add_argument("--printLengths", type=inkex.Boolean, default=False, help="Print elengths on edges")
|
||||||
|
pars.add_argument("--importCoplanarEdges", type=inkex.Boolean, default=False, help="Import coplanar edges")
|
||||||
|
pars.add_argument("--printStats", type=inkex.Boolean, default=True, help="Show some unfold statistics")
|
||||||
pars.add_argument("--resizetoimport", type=inkex.Boolean, default=True, help="Resize the canvas to the imported drawing's bounding box")
|
pars.add_argument("--resizetoimport", type=inkex.Boolean, default=True, help="Resize the canvas to the imported drawing's bounding box")
|
||||||
pars.add_argument("--extraborder", type=float, default=0.0)
|
pars.add_argument("--extraborder", type=float, default=0.0)
|
||||||
pars.add_argument("--extraborder_units")
|
pars.add_argument("--extraborderUnits")
|
||||||
pars.add_argument("--color_valley_cut", type=Color, default='255', help="Color for valley cuts")
|
|
||||||
pars.add_argument("--color_mountain_cut", type=Color, default='1968208895', help="Color for mountain cuts")
|
#Style
|
||||||
pars.add_argument("--color_coplanar_lines", type=Color, default='1943148287', help="Color for coplanar lines")
|
pars.add_argument("--fontSize", type=int, default=15, help="Label font size (%)")
|
||||||
pars.add_argument("--color_valley_perforate", type=Color, default='3422552319', help="Color for valley perforations")
|
pars.add_argument("--flipLabels", type=inkex.Boolean, default=False, help="Flip labels")
|
||||||
pars.add_argument("--color_mountain_perforate", type=Color, default='879076607', help="Color for mountain perforations")
|
pars.add_argument("--dashes", type=inkex.Boolean, default=True, help="Dashes for cut/coplanar edges")
|
||||||
pars.add_argument("--dashes", type=inkex.Boolean, default=True, help="Dashes for cut/coplanar lines")
|
pars.add_argument("--separateGluePairsByColor", type=inkex.Boolean, default=False, help="Separate glue pairs by color")
|
||||||
pars.add_argument("--printStats", type=inkex.Boolean, default=True, help="Show some unfold statistics")
|
pars.add_argument("--colorValleyCut", type=Color, default='255', help="Valley cut edges")
|
||||||
|
pars.add_argument("--colorMountainCut", type=Color, default='1968208895', help="Mountain cut edges")
|
||||||
|
pars.add_argument("--colorCoplanarEdges", type=Color, default='1943148287', help="Coplanar edges")
|
||||||
|
pars.add_argument("--colorValleyPerforates", type=Color, default='3422552319', help="Valley perforation edges")
|
||||||
|
pars.add_argument("--colorMountainPerforates", type=Color, default='879076607', help="Mountain perforation edges")
|
||||||
|
|
||||||
def effect(self):
|
def effect(self):
|
||||||
if not os.path.exists(self.options.inputfile):
|
if not os.path.exists(self.options.inputfile):
|
||||||
@ -586,7 +622,7 @@ class Unfold(inkex.EffectExtension):
|
|||||||
# Create a new container group to attach all paperfolds
|
# Create a new container group to attach all paperfolds
|
||||||
paperfoldMainGroup = self.document.getroot().add(inkex.Group(id=self.svg.get_unique_id("paperfold-"))) #make a new group at root level
|
paperfoldMainGroup = self.document.getroot().add(inkex.Group(id=self.svg.get_unique_id("paperfold-"))) #make a new group at root level
|
||||||
for i in range(len(unfoldedComponents)):
|
for i in range(len(unfoldedComponents)):
|
||||||
paperfoldPageGroup = writeSVG(self, unfoldedComponents[i], maxSize, self.options.printNumbers)
|
paperfoldPageGroup = writeSVG(self, unfoldedComponents[i], maxSize)
|
||||||
#translate the groups next to each other to remove overlappings
|
#translate the groups next to each other to remove overlappings
|
||||||
if i != 0:
|
if i != 0:
|
||||||
previous_bbox = paperfoldMainGroup[i-1].bounding_box()
|
previous_bbox = paperfoldMainGroup[i-1].bounding_box()
|
||||||
@ -606,7 +642,7 @@ class Unfold(inkex.EffectExtension):
|
|||||||
namedView = self.document.getroot().find(inkex.addNS('namedview', 'sodipodi'))
|
namedView = self.document.getroot().find(inkex.addNS('namedview', 'sodipodi'))
|
||||||
doc_units = namedView.get(inkex.addNS('document-units', 'inkscape'))
|
doc_units = namedView.get(inkex.addNS('document-units', 'inkscape'))
|
||||||
root = self.svg.getElement('//svg:svg');
|
root = self.svg.getElement('//svg:svg');
|
||||||
offset = self.svg.unittouu(str(self.options.extraborder) + self.options.extraborder_units)
|
offset = self.svg.unittouu(str(self.options.extraborder) + self.options.extraborderUnits)
|
||||||
root.set('viewBox', '%f %f %f %f' % (bbox.left - offset, bbox.top - offset, bbox.width + 2 * offset, bbox.height + 2 * offset))
|
root.set('viewBox', '%f %f %f %f' % (bbox.left - offset, bbox.top - offset, bbox.width + 2 * offset, bbox.height + 2 * offset))
|
||||||
root.set('width', str(bbox.width + 2 * offset) + doc_units)
|
root.set('width', str(bbox.width + 2 * offset) + doc_units)
|
||||||
root.set('height', str(bbox.height + 2 * offset) + doc_units)
|
root.set('height', str(bbox.height + 2 * offset) + doc_units)
|
||||||
|
Reference in New Issue
Block a user