[vtkusers] a sinple question about vtkMarchingcubes

[Wenqin Wang]

Hi, all,
  I am new in VTK. I am trying to visualize a volume
in VTK. The valume is already segmented, with one
value is 100, and the other is 200. What I tried to do
is to extract those two surfaces using marching cubes.

  But I cann't understand how to set the value for the
marching cubes, the value I should use is 50.0 or
100.0?

  Thanks for help.

  Wendy 

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