[vtkusers] vtk surface render so slow

[Bill Lorensen]

The quality of the image should be better with just MarchingCubes
(without DecimatePro and SmoothPolyData). Can you post an image of the
poor quality result?

On Tue, Oct 26, 2010 at 8:33 PM,  <ruan_cpp at sohu.com> wrote:
> Hi all,
> I nead to  accelerate surface render
> Now I use vtkImageReder--> vtkMarchingCubes --> vtkDecimatePro -->
> vtkSmoothPolyDataFilter  to render
> isosurface from some CT dataset. But it's too slow. If I only use
> vtkImageReder--> vtkMarchingCubes , it's fast,
> but the quality of image is not so good. vtkDecimatePro  and
> vtkSmoothPolyDataFilter fliters takes too much time,
> does anyone can help me to accelerate rendering while not lose image
> quality.
> Another question, what does  vtkMarchingCubes::SetLocator(vtkPointLocator
> *locator)  do,
> does it accelerate marchingCubes ???
> I'm foreigner, maybe not describe the detail problem.
>
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