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[openscad] add ulrich's mirror mesh macro, fix error in refine shape

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This commit is contained in:
mwganson
2020-07-19 14:35:27 -05:00
committed by Yorik van Havre
parent d106be0b9b
commit c5b93d698e
6 changed files with 581 additions and 3 deletions
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2
src/Mod/OpenSCAD/InitGui.py
View File

@@ -49,7 +49,7 @@ class OpenSCADWorkbench ( Workbench ):
return text
import OpenSCAD_rc,OpenSCADCommands
commands = ['OpenSCAD_ReplaceObject','OpenSCAD_RemoveSubtree',
'OpenSCAD_RefineShapeFeature','OpenSCAD_IncreaseToleranceFeature',
'OpenSCAD_RefineShapeFeature','OpenSCAD_MirrorMeshFeature','OpenSCAD_IncreaseToleranceFeature',
'OpenSCAD_Edgestofaces', 'OpenSCAD_ExpandPlacements','OpenSCAD_ExplodeGroup']
toolbarcommands = ['OpenSCAD_ReplaceObject','OpenSCAD_RemoveSubtree',
'OpenSCAD_ExplodeGroup','OpenSCAD_RefineShapeFeature',

21
src/Mod/OpenSCAD/OpenSCADCommands.py
View File

@@ -157,6 +157,26 @@ class RefineShapeFeature:
'MenuText': QtCore.QT_TRANSLATE_NOOP('OpenSCAD_RefineShapeFeature', 'Refine Shape Feature'),
'ToolTip' : QtCore.QT_TRANSLATE_NOOP('OpenSCAD_RefineShapeFeature', 'Create Refine Shape Feature')}
class MirrorMeshFeature:
def IsActive(self):
return FreeCADGui.Selection.countObjectsOfType('Mesh::Feature') > 0
def Activated(self):
import Part,OpenSCADFeatures,OpenSCADUtils
selection=FreeCADGui.Selection.getSelectionEx()
for selobj in selection:
newobj=selobj.Document.addObject("Mesh::Feature",'mirror')
newobj.Label='mirror_%s' % selobj.Object.Label
msh=selobj.Object.Mesh
newobj.Mesh=OpenSCADUtils.mirror(msh)
selobj.Object.ViewObject.hide()
FreeCAD.ActiveDocument.recompute()
def GetResources(self):
return {'Pixmap' : 'OpenSCAD_MirrorMeshFeature',
'MenuText': QtCore.QT_TRANSLATE_NOOP('OpenSCAD_MirrorMeshFeature', 'Mirror Mesh Feature'),
'ToolTip' : QtCore.QT_TRANSLATE_NOOP('OpenSCAD_MirrorMeshFeature', 'Create Mirror Mesh Feature')}
class IncreaseToleranceFeature:
def IsActive(self):
return FreeCADGui.Selection.countObjectsOfType('Part::Feature') > 0
@@ -422,6 +442,7 @@ FreeCADGui.addCommand('OpenSCAD_ColorCodeShape',ColorCodeShape())
FreeCADGui.addCommand('OpenSCAD_ExplodeGroup',ExplodeGroup())
FreeCADGui.addCommand('OpenSCAD_Edgestofaces',Edgestofaces())
FreeCADGui.addCommand('OpenSCAD_RefineShapeFeature',RefineShapeFeature())
FreeCADGui.addCommand('OpenSCAD_MirrorMeshFeature',MirrorMeshFeature())
FreeCADGui.addCommand('OpenSCAD_IncreaseToleranceFeature',IncreaseToleranceFeature())
FreeCADGui.addCommand('OpenSCAD_ExpandPlacements',ExpandPlacements())
FreeCADGui.addCommand('OpenSCAD_ReplaceObject',ReplaceObject())

3
src/Mod/OpenSCAD/OpenSCADFeatures.py
View File

@@ -273,7 +273,8 @@ class RefineShape:
def execute(self, fp):
if fp.Base and fp.Base.Shape.isValid():
import freecad.OpenSCAD.OpenSCADUtils
#import freecad.OpenSCAD.OpenSCADUtils
import OpenSCADUtils
sh=fp.Base.Shape.removeSplitter()
fp.Shape=freecad.OpenSCAD.OpenSCADUtils.applyPlacement(sh)

13
src/Mod/OpenSCAD/OpenSCADUtils.py
View File

@@ -298,6 +298,19 @@ def vec2householder(nv):
nv.z*nv.x*l,nv.z*nv.y*l,nv.z*nv.z*l,0,0,0,0,0)
return FreeCAD.Matrix()-hh
def mirror(msh):
from exportCSG import mesh2polyhedron
from PySide import QtGui
items=["[1,0,0]","[0,1,0]","[0,0,1]","[1,1,0]","[0,1,1]","[1,0,1]","[1,1,1]"]
item, ok = QtGui.QInputDialog.getItem(QtGui.QApplication.activeWindow(),u'Mirror about which Axis?',u'Select Axis (or enter custom value)?',items,editable=True)
if ok:
param = 'mirror('+item+')'
poly = mesh2polyhedron(msh)
mi = callopenscadmeshstring('%s{%s}' % (param,''.join(poly)))
mi.flipNormals()
return mi
return msh
def angneg(d):
return d if (d <= 180.0) else (d-360)

541
src/Mod/OpenSCAD/Resources/icons/OpenSCAD_MirrorMeshFeature.svg Normal file
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@@ -0,0 +1,541 @@
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transform="scale(-1)" />
<ellipse
style="fill:none;stroke:#0b1521;stroke-width:1.98792267;stroke-linecap:round;stroke-linejoin:miter;stroke-miterlimit:4;stroke-dasharray:none;stroke-dashoffset:6.80000019;stroke-opacity:1"
id="path3831-3-0"
cx="-45.128738"
cy="-33.399422"
rx="10.909885"
ry="10.957314"
transform="scale(-1)" />
</g>
</svg>
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After

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4
src/Mod/OpenSCAD/exportCSG.py
View File

@@ -80,7 +80,9 @@ def check_multmatrix(csg,ob,x,y,z):
def mesh2polyhedron(mesh):
pointstr=','.join(['[%f,%f,%f]' % tuple(vec) for vec in mesh.Topology[0]])
trianglestr=','.join(['[%d,%d,%d]' % tuple(tri) for tri in mesh.Topology[1]])
return 'polyhedron ( points = [%s], triangles = [%s]);' % (pointstr,trianglestr)
#avoid deprecation warning by changing triangles to faces
#return 'polyhedron ( points = [%s], triangles = [%s]);' % (pointstr,trianglestr)
return 'polyhedron ( points = [%s], faces = [%s]);' % (pointstr,trianglestr)
def vector2d(v):
return [v[0],v[1]]