[vtkusers] Why vtkTriangleFilter does not work ?

[Mathieu Malaterre]

kenny wang,

	Maybe you can try this class: vtkFeatureEdges (before
vtkTriangleFilter) to select particular cells and decide wether wou want
to keep them or not:

http://www.vtk.org/doc/nightly/html/classvtkFeatureEdges.html

HTH
mathieu

bxb1280 wrote:
> Drear All:
>   I use the following steps to generate the "pure" triangle meshes from 
> 3d vtkImageData, but found that there are serveral lines in the polydata.
> 
>  vtkmarchingcubes->SetInput(vtkImageData->Getoutput());
>  vtkTriangleFilter->SetInput(vtkmarchingcubes->Getoutput());
>  vtkTriangleFilter->PassVertsOff();
>  vtkTriangleFilter->PassLinesOff();
>  vtkQuadricDecimation->SetInput(vtkTriangleFilter->Getoutput());
>  vtkCleanPolyData->SetInput(vtkQuadricDecimation->Getoutput());
>  vtkTriangleFilter->SetInput(vtkCleanPolyData->Getoutput());
>  vtkTriangleFilter->PassVertsOff();
>  vtkTriangleFilter->PassLinesOff();
>  ...save the data to files
> 
> the document said there should no lines and vertices in triangle meshes 
> if setting the PassLinesOff() and PassVertsOff(),but it does not work at all!
> I use Ansys software to import the polydata, it said "the line 18 is used 1 times,
> please check the data" 
> Can anybody tell me how to obtain the "pure" triangle meshes?,that is no additional 
> lines and vertices in the mesh.
>  Thanks a lot!
> 
> kenny wang
>  				
> 　　　　　　　　　　　　　　bxb1280
> 　　　　　　　　　　　　　　bxb1280 at sina.com
> 　　　　　　　　　　　　　　　　　2003-09-12
> 
> 
> 
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Mathieu Malaterre
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