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

[Hahn, Steven E.]

Hi Aashish,



The XML report is attached.



Best,

Steven

________________________________
From: Aashish Chaudhary <aashish.chaudhary at kitware.com>
Sent: Monday, December 21, 2015 6:53 PM
To: Hahn, Steven E.
Cc: ParaView
Subject: Re: [Paraview] VTK warning during volume rendering of vtkStructuredGrid on Windows with Nvidia graphics card.

This is good, GLview, should have a way to export the output to a file. Can you send that to us as well? If it is too big, send it to me directly.

Thanks,
aashish

On Mon, Dec 21, 2015 at 5:07 PM, Hahn, Steven E. <hahnse at ornl.gov<mailto:hahnse at ornl.gov>> wrote:

Hi Aashish,



This machine is running Windows 7. I built Paraview v5.0.0-RC2 with Visual Studio 2015.



GLview does list GL_ARB_framebuffer_object as supported. Are there any other specific features in the report that I should check?



Best,

Steven

________________________________
From: Aashish Chaudhary <aashish.chaudhary at kitware.com<mailto:aashish.chaudhary at kitware.com>>
Sent: Monday, December 21, 2015 4:03 PM
To: Hahn, Steven E.
Cc: ParaView
Subject: Re: [Paraview] VTK warning during volume rendering of vtkStructuredGrid on Windows with Nvidia graphics card.

Hi Steven,

Also, can you install and run glview (http://www.realtech-vr.com/glview/download.php) on your system to see if FBO support exists?

Thanks,
Aashish

On Mon, Dec 21, 2015 at 4:02 PM, Aashish Chaudhary <aashish.chaudhary at kitware.com<mailto:aashish.chaudhary at kitware.com>> wrote:

On Mon, Dec 21, 2015 at 3:56 PM, Hahn, Steven E. <hahnse at ornl.gov<mailto:hahnse at ornl.gov>> wrote:
I tried viewing the volume representation of a small vtkStructuredGrid
file with ParaView v5.0.0-RC2 built with the OpenGL2 rendering backend and
get this warning:

Warning: In
C:\Sources\ParaView-v5.0.0-RC1-source\VTK\Rendering\VolumeOpenGL2\vtkOpenGL
ProjectedTetrahedraMapper.cxx, line 251
vtkOpenGLProjectedTetrahedraMapper (00000000061B0AD0): Missing FBO
support. The algorithm may produce visual artifacts.

Updating the video card (Nvidia Quadro K6000) driver to the latest version
(354.56) had no effect. Volume rendering with a different vtkImageData
file generated no warnings.


They are using different mappers. I am surprised that you are reported missing fbo support. Which windows Platform is this?

- Aashish


Best,
Steven Hahn

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



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



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