FabLab_Chemnitz/mightyscape-1.1-deprecated
FabLab_Chemnitz/mightyscape-1.1-deprecated
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added more opitions and fixes to paperfold

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This commit is contained in:
leyghisbb 2021-05-08 16:08:07 +02:00
parent 0f698fe29a
commit 0af00d9a8d
2 changed files with 53 additions and 24 deletions
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1
extensions/fablabchemnitz/paperfold.inx
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@ -15,6 +15,7 @@
<param name="printGluePairNumbers" type="bool" gui-text="Print glue pair numbers on cut edges">false</param>
<param name="printAngles" type="bool" gui-text="Print folding angles on edges">false</param>
<param name="printLengths" type="bool" gui-text="Print lengths on edges">false</param>
<param name="printTriangleNumbers" type="bool" gui-text="Print triangle numbers on faces">false</param>
<param name="importCoplanarEdges" type="bool" gui-text="Import coplanar edges">false</param>
<param name="printStats" type="bool" gui-text="Show some unfold statistics">false</param>
<param name="resizetoimport" type="bool" gui-text="Resize the canvas to the imported drawing's bounding box">true</param>

76
extensions/fablabchemnitz/paperfold.py
View File

@ -9,7 +9,7 @@ import numpy as np
import openmesh as om
import networkx as nx
from lxml import etree
from inkex import Transform, TextElement, Tspan, Color
from inkex import Transform, TextElement, Tspan, Color, Circle
"""
Extension for InkScape 1.0
@ -414,7 +414,7 @@ def findBoundingBox(mesh):
return [xmin, ymin, boxSize]
def writeSVG(self, unfolding, size):
def writeSVG(self, unfolding, size, randomColorSet):
mesh = unfolding[0]
isFoldingEdge = unfolding[1]
glueNumber = unfolding[3]
@ -434,24 +434,37 @@ def writeSVG(self, unfolding, size):
if size > 0:
boxSize = size
strokewidth = 0.002 * boxSize
dashLength = 0.008 * boxSize
spaceLength = 0.02 * boxSize
strokewidth = boxSize * self.options.fontSize / 8000
dashLength = boxSize * self.options.fontSize / 2000
spaceLength = boxSize * self.options.fontSize / 800
textDistance = boxSize * self.options.fontSize / 800
textStrokewidth = 0.05 * strokewidth
textStrokewidth = boxSize * self.options.fontSize / 3000
fontsize = boxSize * self.options.fontSize / 1000
# Generate a main group
paperfoldPageGroup = self.document.getroot().add(inkex.Group(id=self.svg.get_unique_id("paperfold-page-")))
#generate random colors for glue pairs
randomColorSet = []
if self.options.separateGluePairsByColor:
while len(randomColorSet) < len(mesh.edges()):
r = lambda: random.randint(0,255)
newColor = '#%02X%02X%02X' % (r(),r(),r())
if newColor not in randomColorSet:
randomColorSet.append(newColor)
if self.options.printTriangleNumbers is True:
faceIdx = 0
for face in mesh.faces():
faceIdx += 1
centroid = mesh.calc_face_centroid(face)
circle = paperfoldPageGroup.add(Circle(cx=str(centroid[0]), cy=str(centroid[1]), r=str(fontsize)))
circle.set('id', self.svg.get_unique_id('faceCircle-'))
circle.set("style", "stroke:#000000;stroke-width:" + str(strokewidth/2) + ";fill:none")
text = paperfoldPageGroup.add(TextElement(id=self.svg.get_unique_id("faceNumber-")))
text.set("x", str(centroid[0]))
text.set("y", str(centroid[1] + fontsize / 3))
text.set("font-size", str(fontsize))
text.set("style", "stroke-width:" + str(textStrokewidth) + ";text-anchor:middle;text-align:center")
tspan = text.add(Tspan())
tspan.set("x", str(centroid[0]))
tspan.set("y", str(centroid[1] + fontsize / 3))
tspan.set("style", "stroke-width:" + str(textStrokewidth) + ";text-anchor:middle;text-align:center")
tspan.text = str(faceIdx)
# Go over all edges of the grid
for edge in mesh.edges():
@ -478,9 +491,9 @@ def writeSVG(self, unfolding, size):
valleyCuts += 1
elif dihedralAngle == 0:
lineStyle.update({"stroke": self.options.colorCoplanarEdges})
line.set("id", self.svg.get_unique_id("coplanar-line-"))
if self.options.importCoplanarEdges is False:
line.delete()
line.set("id", self.svg.get_unique_id("coplanar-edge-"))
#if self.options.importCoplanarEdges is False:
# line.delete()
coplanarLines += 1
lineStyle.update({"stroke-width":str(strokewidth)})
@ -499,7 +512,13 @@ def writeSVG(self, unfolding, size):
if dihedralAngle < 0:
lineStyle.update({"stroke": self.options.colorValleyPerforates})
line.set("id", self.svg.get_unique_id("valley-perforate-"))
valleyPerforations += 1
valleyPerforations += 1
if dihedralAngle == 0:
lineStyle.update({"stroke": self.options.colorCoplanarEdges})
line.set("id", self.svg.get_unique_id("coplanar-edge-"))
if self.options.importCoplanarEdges is False:
line.delete()
valleyPerforations += 1
else:
lineStyle.update({"stroke-dasharray":"none"})
@ -512,14 +531,13 @@ def writeSVG(self, unfolding, size):
lineStyle.update({"stroke-dashoffset":"0"})
lineStyle.update({"stroke-opacity":"1"})
line.style = lineStyle
# Textual things
halfEdge = mesh.halfedge_handle(edge, 0) # Find halfedge in the face
if mesh.face_handle(halfEdge).idx() == -1:
halfEdge = mesh.opposite_halfedge_handle(halfEdge)
vector = mesh.calc_edge_vector(halfEdge)
# normalize
vector = vector / np.linalg.norm(vector)
vector = vector / np.linalg.norm(vector) # normalize
midPoint = 0.5 * (
mesh.point(mesh.from_vertex_handle(halfEdge)) + mesh.point(mesh.to_vertex_handle(halfEdge)))
rotatedVector = np.array([-vector[1], vector[0], 0])
@ -531,7 +549,7 @@ def writeSVG(self, unfolding, size):
if self.options.flipLabels is True:
rotation += 180
text = paperfoldPageGroup.add(TextElement(id=self.svg.get_unique_id("number-")))
text = paperfoldPageGroup.add(TextElement(id=self.svg.get_unique_id("edgeNumber-")))
text.set("x", str(position[0]))
text.set("y", str(position[1]))
text.set("font-size", str(fontsize))
@ -585,7 +603,8 @@ class Unfold(inkex.EffectExtension):
#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("--printLengths", type=inkex.Boolean, default=False, help="Print lengths on edges")
pars.add_argument("--printTriangleNumbers", type=inkex.Boolean, default=False, help="Print triangle numbers on faces")
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")
@ -619,10 +638,19 @@ class Unfold(inkex.EffectExtension):
if boxSize > maxSize:
maxSize = boxSize
#generate random colors for glue pairs
randomColorSet = []
if self.options.separateGluePairsByColor:
while len(randomColorSet) < len(mesh.edges()):
r = lambda: random.randint(0,255)
newColor = '#%02X%02X%02X' % (r(),r(),r())
if newColor not in randomColorSet:
randomColorSet.append(newColor)
# 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
for i in range(len(unfoldedComponents)):
paperfoldPageGroup = writeSVG(self, unfoldedComponents[i], maxSize)
paperfoldPageGroup = writeSVG(self, unfoldedComponents[i], maxSize, randomColorSet)
#translate the groups next to each other to remove overlappings
if i != 0:
previous_bbox = paperfoldMainGroup[i-1].bounding_box()