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

[Aashish Chaudhary]

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>
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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-- 



*| Aashish Chaudhary | Technical Leader         | Kitware Inc.            *
*| http://www.kitware.com/company/team/chaudhary.html
<http://www.kitware.com/company/team/chaudhary.html>*
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