def get_points(obj):
if not hasattr(obj, "GetPoints"):
obj = read_ugrid(obj)
p = obj.GetPoints()
points = (p.GetPoint(i) for i in range(0, p.GetNumberOfPoints()))
return points
def get_connectivity(obj):
""
if not hasattr(obj, "GetPoints"):
obj = read_ugrid(obj)
connections = list()
ids = vtk.vtkIdList()
for i in range(obj.GetNumberOfCells()):
obj.GetCellPoints(i, ids)
connections.append(tuple(
(ids.GetId(j) for j in range(0, ids.GetNumberOfIds()))
))
return connections
