[vtkusers] Offscreen GPU Volume Rendering Mac OS X generates black images

[Aashish Chaudhary]

Hi Chris,

Are you using osmesa for the offscreen rendering? Are you getting any error
on the console?

Thanks


On Thu, Sep 25, 2014 at 7:32 AM, Chris Hafey <chafey at gmail.com> wrote:

> VTK 6.1.0
> Mac OS X Mavericks 10.9.5
> Macbook Pro 2012 Retina with nVidia GeForce GT 650M 1024 MB
>
> My program uses VTK to do off screen volume rendering of medical images.
> I suspect this is a bug in VTK and not my software because:
> 1) GPURenderMode works fine on Windows (both in a VM running on same Mac
> and on two other Windows 7 boxes with an nVidia GPUs)
> 2) RayCastRenderMode works fine on Mac OS X
> 3) TextureRenderMode works fine on Mac OS X
>
> I tried searching the mailing list and google and couldn't find anything.
> The rendering code is about as basic as it can be - it simply sets the
> color, opacity, clip planes and matrix.  Any ideas on what I might be doing
> wrong or how I can debug?
>
> Thanks
>
> Chris Hafey
>
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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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