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Arch: Fixed face normals in IFC export

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This commit is contained in:
Yorik van Havre
2014-04-16 16:36:52 -03:00
parent d4c7623df7
commit 569e6ce4a2
2 changed files with 8 additions and 4 deletions
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10
src/Mod/Arch/ArchCommands.py
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@@ -617,7 +617,10 @@ def getTuples(data,scale=1,placement=None,normal=None):
data = Part.Wire(DraftGeomUtils.sortEdges(data.Wires[0].Edges))
verts = data.Vertexes
try:
if DraftVecUtils.angle(verts[1].Point,verts[0].Point,normal) >= 0:
c = data.CenterOfMass
v1 = verts[0].Point.sub(c)
v2 = verts[1].Point.sub(c)
if DraftVecUtils.angle(v2,v1,normal) >= 0:
# inverting verts order if the direction is couterclockwise
verts.reverse()
except:
@@ -666,9 +669,10 @@ def getBrepFacesData(obj,scale=1):
s = []
for face in obj.Shape.Faces:
f = []
f.append(getTuples(face.OuterWire,scale,normal=face.normalAt(0,0)))
for wire in face.Wires:
t = getTuples(wire,scale,normal=face.normalAt(0,0))
f.append(t)
if wire.hashCode() != face.OuterWire.hashCode():
f.append(getTuples(wire,scale,normal=DraftVecUtils.neg(face.normalAt(0,0))))
s.append(f)
sols.append(s)
return sols