[vtkusers] vtkImageData from a closed vtkPolyData

[Mathieu Coursolle]

Hi VTK users,

I have a closed vtkPolyData (a modified sphere), which is composed of  
triangle strips.
I would like to create a vtkImageData to generate a mask of the inside  
voxels of the vtkPolyData.

Is there an easy way to do that using vtk classes?

I am experimenting with vtkPolyDataToImageStencil right now with no  
success.

Looking at the docs, it says:

"The input polydata must contain polygons (or other 2D cells) that  
form a 3D surface that encloses a finite volume."

I am not sure I understand if I can use my vtkPolyData as an input  
then? How can I transform my triangle strips polydata into polygons  
that will allow the mask to be generated?

Thanks!

Mathieu