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Hull and Minkowski operations using OpenSCAD

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This commit is contained in:
Keith Sloan
2013-10-30 10:04:34 +01:00
committed by Sebastian Hoogen
parent 7336a31e44
commit bcb7d02c05
12 changed files with 11930 additions and 9374 deletions
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5
src/Mod/Draft/Draft.py
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@@ -102,9 +102,10 @@ def typecheck (args_and_types, name="?"):
def getParamType(param):
if param in ["dimsymbol","dimPrecision","dimorientation","precision","defaultWP",
"snapRange","gridEvery","linewidth","UiMode","modconstrain","modsnap",
"modalt","HatchPatternResolution","snapStyle","dimstyle"]:
"maxSnapEdges","modalt","HatchPatternResolution","snapStyle",
"dimstyle"]:
return "int"
elif param in ["constructiongroupname","textfont","patternFile","template","maxSnapEdges",
elif param in ["constructiongroupname","textfont","patternFile","template",
"snapModes","FontFile"]:
return "string"
elif param in ["textheight","tolerance","gridSpacing","arrowsize","extlines","dimspacing"]:

32
src/Mod/Draft/importDXF.py
View File

@@ -1467,13 +1467,13 @@ def getWire(wire,nospline=False):
# print "wire verts: ",points
return points
def getBlock(sh,obj):
def getBlock(sh,obj,lwPoly=False):
"returns a dxf block with the contents of the object"
block = dxfLibrary.Block(name=obj.Name,layer=getGroup(obj))
writeShape(sh,obj,block)
writeShape(sh,obj,block,lwPoly)
return block
def writeShape(sh,ob,dxfobject,nospline=False):
def writeShape(sh,ob,dxfobject,nospline=False,lwPoly=False):
"writes the object's shape contents in the given dxf object"
processededges = []
for wire in sh.Wires: # polylines
@@ -1490,7 +1490,17 @@ def writeShape(sh,ob,dxfobject,nospline=False):
ang1, ang2, color=getACI(ob),
layer=getGroup(ob)))
else:
dxfobject.append(dxfLibrary.PolyLine(getWire(wire,nospline), [0.0,0.0,0.0],
if (lwPoly):
if hasattr(dxfLibrary,"LwPolyLine"):
dxfobject.append(dxfLibrary.LwPolyLine(getWire(wire,nospline), [0.0,0.0],
int(DraftGeomUtils.isReallyClosed(wire)), color=getACI(ob),
layer=getGroup(ob)))
else:
FreeCAD.Console.PrintWarning("LwPolyLine support not found. Please delete dxfLibrary.py from your FreeCAD user directory to force auto-update\n")
else :
dxfobject.append(dxfLibrary.PolyLine(getWire(wire,nospline), [0.0,0.0,0.0],
int(DraftGeomUtils.isReallyClosed(wire)), color=getACI(ob),
layer=getGroup(ob)))
if len(processededges) < len(sh.Edges): # lone edges
@@ -1576,8 +1586,8 @@ def writeMesh(ob,dxfobject):
64, color=getACI(ob),
layer=getGroup(ob)))
def export(objectslist,filename,nospline=False):
"called when freecad exports a file. If nospline=True, bsplines are exported as straight segs"
def export(objectslist,filename,nospline=False,lwPoly=False):
"called when freecad exports a file. If nospline=True, bsplines are exported as straight segs lwPoly=True for OpenSCAD DXF"
if dxfLibrary:
global exportList
@@ -1620,19 +1630,19 @@ def export(objectslist,filename,nospline=False):
if (len(sh.Wires) == 1):
# only one wire in this compound, no lone edge -> polyline
if (len(sh.Wires[0].Edges) == len(sh.Edges)):
writeShape(sh,ob,dxf,nospline)
writeShape(sh,ob,dxf,nospline,lwPoly)
else:
# 1 wire + lone edges -> block
block = getBlock(sh,ob)
block = getBlock(sh,ob,lwPoly)
dxf.blocks.append(block)
dxf.append(dxfLibrary.Insert(name=ob.Name.upper()))
else:
# all other cases: block
block = getBlock(sh,ob)
block = getBlock(sh,ob,lwPoly)
dxf.blocks.append(block)
dxf.append(dxfLibrary.Insert(name=ob.Name.upper()))
else:
writeShape(sh,ob,dxf,nospline)
writeShape(sh,ob,dxf,nospline,lwPoly)
elif Draft.getType(ob) == "Annotation":
# texts
@@ -1670,7 +1680,7 @@ def exportPage(page,filename):
import importSVG
tempdoc = importSVG.open(page.PageResult)
tempobj = tempdoc.Objects
export(tempobj,filename,nospline=True)
export(tempobj,filename,nospline=True,lwPoly=False)
FreeCAD.closeDocument(tempdoc.Name)