[vtkusers] How to prevent holes resulted from decimation?

[Will Schroeder]

Hi Ben-

Topological constraints limit the amount of decimation you can perform. You can't have it both ways.

You might want to try vtkQuadricClustering and vtkQuadricDecimation as well.

Will


At 09:45 AM 5/7/2001 -0700, Ben Baojun Li wrote:

>Hello everyone,
>
>I have a problem with the decimation. Since I have to use an extensive
>decimation (.99 reduction ratio) following the marching cubes, there
>are many holes on final rendered object surfaces. If I set a smaller
>reduction ratio (e.g. 0.5), holes dissapeared, but the extreme large
>amount of triangles are also a problem. I learned from one of VTK
>examples that I should turn the 'PreserveTopology' feature on. So I did
>it, but results are still not satisfying.
>
>I don't know what's wrong with my code, is there any other features I
>should turn that on, or something else?
>
>Thanks a lot!
>
>Ben
>
>
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