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ArrayFromShape: fix center of mass functionality

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This commit is contained in:
DeepSOIC 2015-10-29 23:12:48 +03:00
parent 0b54ac30dc
commit e65a1650b3
1 changed files with 6 additions and 5 deletions
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11
latticeArrayFromShape.py
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@ -111,18 +111,18 @@ class LatticeArrayFromShape(latticeBaseFeature.LatticeFeature):
"Face":"Area",
"Shell":"Area",
"Solid":"Volume",
"CompSolid":""}
"CompSolid":""}[leaves[0].ShapeType]
#Center of mass of a compound is a weghted average of centers
# of mass of individual objects.
for leaf in leaves:
w = 1.0 if not weightAttrib else (getattr(leaf, weightAttrib))
if child.ShapeType == 'Vertex':
childCM = child.Point
if leaf.ShapeType == 'Vertex':
leafCM = leaf.Point
#elif child.ShapeType == 'CompSolid':
#todo
else:
childCM = child.CenterOfMass
pos += childCM * w
leafCM = leaf.CenterOfMass
pos += leafCM * w
totalW += w
pos = pos * (1.0/totalW)
elif posIsCenterBB:
@ -131,6 +131,7 @@ class LatticeArrayFromShape(latticeBaseFeature.LatticeFeature):
pos = bb.Center
elif posIsVertex:
v = child.Vertexes[obj.TranslateElementIndex - 1]
pos = v.Point
else:
raise ValueError("latticePolarArrayFromShape: translation mode not implemented: "+obj.TranslateMode)