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

[Roland Schwarz]

Thank you, I was not aware of the existence of vtkLODActor. This sounds as a
good starting point to me.

Roland



>
> >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.
>
>
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