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

[Weiguang guan]

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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