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

[Aashish Chaudhary]

this is very useful.I will push a fix today and will attach a patch too.

- Aashish

On Tue, Dec 22, 2015 at 10:21 AM, Hahn, Steven E. <hahnse at ornl.gov> wrote:

> 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> 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>
>> *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> wrote:
>>
>>>
>>> On Mon, Dec 21, 2015 at 3:56 PM, Hahn, Steven E. <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
>>> <http://www.kitware.com/company/team/chaudhary.html>*
>>>
>>
>>
>>
>> --
>>
>>
>>
>> *| Aashish Chaudhary | Technical Leader          | Kitware Inc.
>>   *
>> *| http://www.kitware.com/company/team/chaudhary.html
>> <http://www.kitware.com/company/team/chaudhary.html>*
>>
>
>
>
> --
>
>
>
> *| Aashish Chaudhary | Technical Leader          | Kitware Inc.
> *
> *| http://www.kitware.com/company/team/chaudhary.html
> <http://www.kitware.com/company/team/chaudhary.html>*
>



-- 



*| 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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