[Paraview] GPU based volume rendering in ParaView

[Eric E. Monson]

Hey Aashish,

I've been having trouble with it, too, on my Mac (OS X 10.6.2, PV compiled serial x86_64 arch updated from CVS and rebuilt today, CMake 2.9.20100113). Are there any special hardware requirements, then? I can see the GPU Volume Mapper option, but when I switch over to that from the "Fixed point" mapper I get this error:

ERROR: In /Users/emonson/Programming/ParaView_cvs/ParaView3/VTK/VolumeRendering/vtkOpenGLGPUVolumeRayCastMapper.cxx, line 4110
vtkOpenGLGPUVolumeRayCastMapper (0x12082cc00): Rendering failed because the following OpenGL extensions are required but not supported:

(Just as this shows, the list of OpenGL extensions it says are required but not supported is empty...) My graphics card is a NVIDIA GeForce 8800 GT.

Thanks,
-Eric

------------------------------------------------------
Eric E Monson
Duke Visualization Technology Group


On Mar 1, 2010, at 11:55 AM, Aashish Chaudhary wrote:

> No there is no special option required but you would have to update your paraview cvs copy as the code got into cvs last thursday. 
> 
> Can you update and compile again? 
> 
> Thanks, 
> 
> 
> 
> On Sun, Feb 28, 2010 at 2:27 PM, Pierre-Olivier Dallaire <pierre-olivier.dallaire at videotron.ca> wrote:
> Hi,
> 
> Do  we need to enable a special option in the CMakeCache.txt file in order to get this feature ?
> I compiled the CVS version on Mac and cannot access the GPU option for volume rendering.
> 
> Regards,
> 
> PO
> 
> On 2010-02-26, at 10:58 AM, Aashish Chaudhary wrote:
> 
>> All, 
>> 
>> I am pleased to announce that ParaView3 now has GPU based volume rendering  from VTKEdge. Its currently in CVS and should be able to make into 3.8 release. 
>> Currently it does not work in tile display mode but we are hoping to fix it in near future. Any bug reports are welcome. 
>> 
>> Attached is the screen shot.
>> 
>> ~Regards, 
>> 
>> -- 
>> | Aashish Chaudhary 
>> | R&D Engineer         
>> | Kitware Inc.            
>> | www.kitware.com    
>> <Screenshot.jpg>_______________________________________________
>> 
>> Powered by www.kitware.com
>> 
>> Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html
>> 
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>> 
>> 
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> 
> 
> 
> 
> -- 
> | Aashish Chaudhary 
> | R&D Engineer         
> | Kitware Inc.            
> | www.kitware.com    
> _______________________________________________
> Powered by www.kitware.com
> 
> Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html
> 
> Please keep messages on-topic and check the ParaView Wiki at: http://paraview.org/Wiki/ParaView
> 
> Follow this link to subscribe/unsubscribe:
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