[Paraview] convert 3d scene to voxel centroids

[Dominik Szczerba]

None of the PV filters to my knowledge. But there is an abundance of 
codes doing this in google, otherwise a custom implementation is not 
difficult either.
-- Dominik

Andrew Finley wrote:
> Hello,
> I have a 3d representation of an object in paraview. Is there some way 
> to "rasterize" this object into voxels of a specified volume then export 
> the centroids of these voxels?
> 
> I welcome any suggestions!!!
> 
> Kind regards-
> Andy
> 
> Weiguang Guan wrote:
>> vtkVolumeTextureMapper3D is running on Linux at a speed comparable to 
>> on Windows, which is an evidence that the video driver on linux works 
>> efficiently. Is it possible that the driver does a good job at 3D 
>> texture mapping, and does a poor job at other graphics operations?
>>
>> Weiguang
>>
>> On Thu, 22 May 2008, Dominik Szczerba wrote:
>>
>>> A very simple explanation would be the lack of hardware accelerated 
>>> renedring drivers for the worse case.
>>> -- Dominik
>>>
>>> Weiguang Guan wrote:
>>>> Hi Paraview users,
>>>>
>>>> I've just bought a new computer and made it a dual-boot (Windows XP 
>>>> Pro and Linux 2.6) machine. Then, I donwloaded and installed 
>>>> Paraview 3.2.1 on both platforms. To my surprise, Paraview runs at 
>>>> greatly different speeds when rendering a unstructured dataset --- 
>>>> about 1.5 s/frame on Windows vs 10 s/frame on Linux. I am sure in 
>>>> the test I used (1) the same version of paraview; (2) same dataset 
>>>> (3) same setting (Edit->Setting), ......
>>>>
>>>> I can see that vtkOpenGLProjectedTetrahedraMapper is used.
>>>>
>>>> Weiguang
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>>>
>>>
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> 

-- 
Dominik Szczerba, Ph.D.
Computer Vision Lab CH-8092 Zurich
http://www.vision.ee.ethz.ch/~domi