[vtkusers] reducing triangles

[Patrick Schuska]

Hi 
I`m reading triangle datas out of an object file. I  have no problems to
render them.
But when I try to reduce the triangles, the result looks weird. It only
deletes some triangles and doesn`t compute the others new, so that I get
a closed survey, instead, I get a lot of holes in my image.
What is in my code wrong, or what can I do, so that I got a reduced,
good looking result???
 
 
# Create the reader for the data
vtkOBJReader reader1
 reader1 SetFileName "D:/amira/fulltriangles/kidneysfull.obj"
 
vtkDecimatePro decimator
    decimator SetInput [reader1 GetOutput]
    decimator SetTargetReduction 0.77
    decimator PreserveTopologyOn
 
vtkSmoothPolyDataFilter smoother
    smoother SetInput [decimator GetOutput]
    smoother SetNumberOfIterations 50
 
vtkPolyDataNormals normals
    normals SetInput [smoother GetOutput]
    normals FlipNormalsOn
 
vtkPolyDataMapper mapOutline1 
  mapOutline1 SetInput [normals GetOutput]
 
Greetz, Patrick
 
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