[vtkusers] height map

[Ali Hashimi]

Hi everybody

I am working on a school project to generate a 3D
model from a gray scale image, the luminosite of the
pixel needs to be scaled to give the z value of the XY
point.

after I used vtkPNGReader to read the PNG image file,
I do not know what other classes in vtk to use to
generate 
a set of XYZ points and render them.

I appreciate any help.

thank you



		
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