[Paraview] VTK warning during volume rendering of vtkStructuredGrid on Windows with Nvidia graphics card.

[Weiguang guan]

Aashish, you're right --- it is fixed in version 5.1.0. Thanks.

Weiguang

On 08/07/2016 10:42 AM, Aashish Chaudhary wrote:
> Hi Weiguang,
>
> Have you tried recent release of paraview / vtk? This should have been 
> fixed in the recent commits.
>
> Thanks
>
>
> On Fri, Jul 8, 2016 at 10:04 AM, Weiguang guan 
> <guanw at rhpcs.mcmaster.ca <mailto:guanw at rhpcs.mcmaster.ca>> wrote:
>
>     Is there a solution to fix the problem? Thanks.
>
>     Weiguang
>
>
>     On 04/07/2016 3:51 PM, Weiguang guan wrote:
>>     I run into the same problem on linux.
>>
>>     Warning: In
>>     /home/kitware/dashboards/buildbot/paraview-debian6dash-linux-shared-release_opengl2_qt4_superbuild/source-paraview/VTK/Rendering/VolumeOpenGL2/vtkOpenGLProjectedTetrahedraMapper.cxx,
>>     line 251
>>     vtkOpenGLProjectedTetrahedraMapper (0x630b310): Missing FBO
>>     support. The algorithm may produce visual artifacts.
>>
>>     I'm running Paraview 5.0.0.
>>
>>     Weiguang
>>
>>     On 03/03/2016 9:42 AM, Aashish Chaudhary wrote:
>>>>     I have the same problem. Though in my case it is a small unstructuredgrid
>>>>     vtu file. The OS is Ubuntu 14.04. ParaView-5.0.0-Qt4-OpenGL2-MPI-Linux-64bit
>>>>     prebuilt binaries. The Graphics card is Nvidia Quadro K620 with OpenGL
>>>>     version 3.02 Nvidia 352.63. The Nvidia settings show the following etensions
>>>>     amongst others GL_ARB_frame_buffer_object.
>>>>     Also, it does show artifacts. In particular for a vector allocated to a
>>>>     standard hexahedron cell, the colors are slightly different within the cell.
>>>>     You can see triangular segments [possibly tetrahedron?]
>>>     It seems to me that you are running into a different issue as atleast
>>>     you are seeing
>>>     something but it does look correct to you. Is that it?
>>>
>>>     Thanks
>>>
>>>
>>>>     Regard
>>>>     Paul.
>>>>
>>>>
>>>>
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>>
>>
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>
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> -- 
> /| Aashish Chaudhary
> | Technical Leader
> | Kitware Inc.
> /
> /| http://www.kitware.com/company/team/chaudhary.html/

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