def centerOf(obj):
if obj is None:
return FreeCAD.Vector()
elif isDerivedFrom(obj, "Part::Feature"):
return Shapes.center(obj.Shape)
elif isDerivedFrom(obj, "Mesh::Feature"):
return Meshes.center(obj.Mesh)
else:
raise TypeError
def execute(self, obj):
if obj.Origin is None:
obj.Shape = Part.Shape()
return
if isDerivedFrom(obj.Origin, "Part::Compound"):
ftrs = obj.Origin.Links
elif isDerivedFrom(obj.Origin, Compound):
ftrs = obj.Origin.Sources
else:
raise TypeError
if isDerivedFrom(obj, "Part::FeaturePython"):
shapes = []
for ftr in ftrs:
shape = Shapes.reshape(ftr.Shape)
center = Shapes.center(shape)
if center is None:
R = FreeCAD.Vector(0,0,0)
else:
R = center - obj.Base
shift = R*obj.Ratio - R
shape.Placement = FreeCAD.Placement(shift, FreeCAD.Rotation())
shapes.append(shape)
obj.Shape = Shapes.compound(shapes)
obj.Outfaces = trace(obj) if P.autotrace else []
elif isDerivedFrom(obj, "Mesh::FeaturePython"):
meshes = []
for ftr in ftrs:
mesh = meshOf(ftr, remeshed=True)
center = Meshes.center(mesh)
if center is None:
R = FreeCAD.Vector(0,0,0)
else:
R = center - obj.Base
shift = R*obj.Ratio - R
mesh.translate(*shift)
meshes.append(mesh)
obj.Mesh = Meshes.compound(meshes)
else:
raise TypeError