[vtkusers] Render shepardMethod as height map

[Adrian Bielefeldt]

Hello everyone,

I have a vtkShepardMethod-Object whose output I would like to display as
a 3d height map, using the scalar values as height. I can render it in
2d using vtkDataSetMapper, but I cannot seem to find a class that allows
me to also display it in 3d.

Greetings,

Adrian