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Arch: Tesselation of curved brep faces in IFC export

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This commit is contained in:
Yorik van Havre 2014-05-20 17:38:13 -03:00
parent c6d9c3789a
commit e587fe2dba
2 changed files with 27 additions and 13 deletions
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33
src/Mod/Arch/ArchCommands.py
View File

@ -669,25 +669,40 @@ def getIfcExtrusionData(obj,scale=1):
return "polyline", getTuples(p,scale), getTuples(v,scale), d
return None
def getIfcBrepFacesData(obj,scale=1):
"""getIfcBrepFacesData(obj,[scale]): returns a list(0) of lists(1) of lists(2) of lists(3),
def getIfcBrepFacesData(obj,scale=1,tessellation=1):
"""getIfcBrepFacesData(obj,[scale,tesselation]): returns a list(0) of lists(1) of lists(2) of lists(3),
list(3) being a list of vertices defining a loop, list(2) describing a face from one or
more loops, list(1) being the whole solid made of several faces, list(0) being the list
of solids inside the object. Scale can indicate a scaling factor"""
of solids inside the object. Scale can indicate a scaling factor. Tesselation is the tesselation
factor to apply on curved faces."""
if hasattr(obj,"Shape"):
import Part
if obj.Shape:
if not obj.Shape.isNull():
if obj.Shape.isValid():
sols = []
for sol in obj.Shape.Solids:
s = []
curves = False
for face in sol.Faces:
f = []
f.append(getTuples(face.OuterWire,scale,normal=face.normalAt(0,0),close=False))
for wire in face.Wires:
if wire.hashCode() != face.OuterWire.hashCode():
f.append(getTuples(wire,scale,normal=DraftVecUtils.neg(face.normalAt(0,0)),close=False))
s.append(f)
for e in face.Edges:
if not isinstance(e.Curve,Part.Line):
curves = True
if curves:
tris = sol.tessellate(tessellation)
for tri in tris[1]:
f = []
for i in tri:
f.append(getTuples(tris[0][i],scale))
s.append([f])
else:
for face in sol.Faces:
f = []
f.append(getTuples(face.OuterWire,scale,normal=face.normalAt(0,0),close=False))
for wire in face.Wires:
if wire.hashCode() != face.OuterWire.hashCode():
f.append(getTuples(wire,scale,normal=DraftVecUtils.neg(face.normalAt(0,0)),close=False))
s.append(f)
sols.append(s)
return sols
return None

7
src/Mod/Arch/ifcWriter.py
View File

@ -320,12 +320,11 @@ class IfcDocument(object):
def __setattr__(self,key,value):
if value:
if key == "Owner":
print value
self._person.set_argument(2,value)
self._person.set_argument(2,str(value))
elif key == "Organization":
self._org.set_argument(1,value)
self._org.set_argument(1,str(value))
elif key == "Name":
self.Project.set_argument(2,value)
self.Project.set_argument(2,str(value))
self.__dict__.__setitem__(key,value)
def findByName(self,ifctype,name):