[vtk-developers] Problem with vtkAppendPolyData

[FUJII Kenji]

Hi, There.

I was trying to append some PolyData to interpolate them at a time by 
vtkProbeFilter and vtkDelaunay3D.
so I was preparing PolyData which has Points and Scalars
and appending them, using AppendPolyData class.
But I think AppendPolyData didn't work precisely.
Because AppendPolyData's object didn't have any Points.

The code is as follows.

#--------------------------------
append = vtk.vtkAppendPolyData()
append.AddInput(polyData1)
append.AddInput(polyData2)
append.AddInput(polyData3)
append.Update()

print append.GetOutput().GetNumberOfPoints()
#--------------------------------

"append.GetOutput().GetNumberOfPoints()" returned zero.

If someone knows why it doesn't work well, please reply.
Thanks in advance.

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Nittobo Acoustic Engineering Co,.ltd
System Division
Kenji Fujii

Email：kenji.fujii at noe.co.jp
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