[vtkusers] Stereo rendering for some renderers

[Oskar Kirmis]

Thanks for the reply.

Yes, we're using anaglyph stereo.

> Would it be possible for you to create a tiny example that can
replicate the issue you have are having?  I am
> assuming that you are doing anaglyphic stereo rendering?  I can look
into the code
> but it would be so much easier if we have some example.

That might not be so easy as the bug currently occurs in a huge software
project. Creating a small example might not be so easy as I don't really
know vtk and opengl. We're just trying to fix bugs in older code.

But maybe you have some ideas where we could look for. Maybe something
(buffers, flags, ...) was not cleared correctly?
I am currently trying to find the problem using glIntercept. Or do you
have any other tipps for debugging opengl?

Again, thank you.

Am 05.02.2014 16:05, schrieb Aashish Chaudhary:
> Would it be possible for you to create a tiny example that can
> replicate the issue you have are having?  I am assuming that you are
> doing anaglyphic stereo rendering?  I can look into the code
> but it would be so much easier if we have some example. 
>
> Thanks,
>
>
>
> On Wed, Feb 5, 2014 at 10:01 AM, Oskar Kirmis <kirmis at st.ovgu.de
> <mailto:kirmis at st.ovgu.de>> wrote:
>
>     Yes, that is correct.
>
>     Am 05.02.2014 15:03, schrieb Aashish Chaudhary:
>>
>>
>>
>>     On Wed, Feb 5, 2014 at 4:23 AM, Oskar Kirmis <kirmis at st.ovgu.de
>>     <mailto:kirmis at st.ovgu.de>> wrote:
>>
>>         Hi there,
>>
>>         it took some time to test everything you suggested as I
>>         didn't have much time for it. It turns out that stereo
>>         rendering is disabled using the methods mentioned here, but I
>>         ran into some other strange, stereo-related problems in
>>         rendering. When I now render any 2D objects with stereo
>>         enabled in the render window but disabled in the camera, the
>>         first object has is rendered in stereo. Once I add a 3D poly
>>         data object to the renderer, everything is fine and the 2D
>>         object is rendered non-stereo. When I then remove the 3D
>>         object, the problem appears again.
>>
>>
>>     Just to make it clear: 
>>
>>     You have 2D object -- You get stereo but you want mono
>>     You add 3D object to the scene - You get stereo and 2D is
>>     rendered in mono
>>     You remove 3D object - you get stereo for your 2D scene
>>
>>     Now I am assuming your 2D and 3D scene are part of different
>>     renderer? 
>>
>>      
>>
>>         I don't know how vtk works internally but for me it seems
>>         like clearing a property is missing. Any hints?
>>
>>
>>         Oskar
>>         _______________________________________________
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>>
>>
>>
>>     -- 
>>     | Aashish Chaudhary
>>     | R&D Engineer        
>>     | Kitware Inc.           
>>     | www.kitware.com <http://www.kitware.com>   
>
>
>     _______________________________________________
>     Powered by www.kitware.com <http://www.kitware.com>
>
>     Visit other Kitware open-source projects at
>     http://www.kitware.com/opensource/opensource.html
>
>     Please keep messages on-topic and check the VTK FAQ at:
>     http://www.vtk.org/Wiki/VTK_FAQ
>
>     Follow this link to subscribe/unsubscribe:
>     http://www.vtk.org/mailman/listinfo/vtkusers
>
>
>
>
> -- 
> | Aashish Chaudhary
> | R&D Engineer        
> | Kitware Inc.           
> | www.kitware.com <http://www.kitware.com>   

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