[vtkusers] Visualization of large polydata sets by specifying level of detail ?

[Kevin Wright]

>Is there some support in VTK to speed up rendering by skipping unnecessary
>detail?
>Or is the only way to get fast visualization to first smooth the datapoints
>and then reduce the size of the mesh?
>(This would obviously destroy information that is in the original data.)

You can decimate your grid.  Look into vtkDecimate and 
vtkDecimatePro.  These can reduce your grid size quite a bit without losing 
too much of the shape.  If you also want to draw the full grid when nothing 
is going on, you could look into using a vtkLODActor and have the full grid 
as the main mapper, and the decimated one to draw when you need fast 
response.  Hope that was the level of answer you were looking for.

Kevin.