+ ## Get gravity center of all nodes of the mesh object.
+ # @param obj mesh, submesh or group
+ # @return three components of the gravity center: x,y,z
+ # @ingroup l1_measurements
+ def GetGravityCenter(self, obj):
+ if isinstance(obj, Mesh): obj = obj.mesh
+ if isinstance(obj, Mesh_Algorithm): obj = obj.GetSubMesh()
+ aMeasurements = self.CreateMeasurements()
+ pointStruct = aMeasurements.GravityCenter(obj)
+ aMeasurements.UnRegister()
+ return pointStruct.x, pointStruct.y, pointStruct.z
+