[vtkusers] Question about vtkShepardMethod

[Luca Pamparana]

Hi everyone,

I am trying to use the vtkShepard method as follows:

// So the output from this is a vtkPolyData type structure
vtkImageData * in = vtkStripperObj->GetInput();

The output is a slice from a 3D volume...so the points are defined in 3D...

shepard->SetInput(in);
shepard->SetSampleDimensions(80, 80, 1);
shepard->Update();

So I want to resample the slice data on a 80 X 80 grid. However, I get the
following error:

ERROR: In /home/pankaj/development/VTK/Imaging/vtkShepardMethod.cxx, line
355
vtkShepardMethod (0x1685c00): Sample dimensions must define a volume!

ERROR: In /home/pankaj/development/VTK/Imaging/vtkShepardMethod.cxx, line
176
vtkShepardMethod (0x1685c00): Points must be defined!

Does anyone know what I might be doing wrong? Any help would be greatly
appreciated.

Cheers,
Luca
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