[vtkusers] How to get intensity of a point on a 3D model

[David Doria]

On Wed, Aug 31, 2011 at 8:45 AM, Wenlong Wang <scc.wwl at gmail.com> wrote:
> Dear all,
>
> I'm new to vtk and I have a 3D model in vtk. I'm trying to get intensity
> of a specific point on it. I'm working on it with VC++. The model is
> represented by an object of  vtkPolyData.
>
> But I can't find any function to do this. Anyone get any idea?
>
> Thank you very much.

What do you mean by intensity? Is your model a mesh and you want to
know how much light in the scene is reflecting from a particular point
inside of one of the triangles of the mesh?

David