[vtkusers] error message in subdividing a cell

[Darshan Pai]

you can use vtkTriangleFilter to triangulate the polydata and then play
with the subdivision

On Wed, May 23, 2012 at 12:49 PM, tasnim <hanene-jeder at hotmail.fr> wrote:

> Hi everybody,
> i create a program which creates a spheresource, then i select a cell,
> create a vtkPolyData from it, and try to subdivide it with the
> vtkLoopsubdivisionFilter.But, when I pick a cell, a message error appears:
>
>  *Warning: In C:\vtk-download\vtk
> source\Graphics\vtkLoopSubdivisionFilter.cxx, line 363
> vtkLoopSubdivisionFilter (019BAE58): vtkLoopSubdivisionFilter only operates
> on triangles, but this data set has no triangles to operate on. ERROR: In
> C:\vtk-download\vtk source\Filtering\vtkExecutive.cxx, line 756
> vtkStreamingDemandDrivenPipeline (019BB448): Algorithm
> vtkLoopSubdivisionFilter(019BAE58) returned failure for request:
> vtkInformation (019CD1B8) Debug: Off Modified Time: 3532 Reference Count: 1
> Registered Events: (none) Request: REQUEST_DATA FORWARD_DIRECTION: 0
> ALGORITHM_AFTER_FORWARD: 1 FROM_OUTPUT_PORT: 0*
>  This message shows that my new polyData didn't contain triangles.
> Any Help please, and thanks
>
> --
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