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

[Aashish Chaudhary]

No problem. How did you enable the offscreen?  Can you post your code
somewhere?

Thanks,
Aashish

On Thu, Sep 25, 2014 at 8:05 AM, Chris Hafey <chafey at gmail.com> wrote:

> Hi Aashish,
>   Forgive my ignorance but I don't know much about osmesa or whether I am
> using it.  I am using VTK as built by homebrew and don't see any options
> related to osmesa.  I have not installed osmesa on the machine.  No errors
> or warnings are issued on the console.
>
> Chris
>
> On Thu, Sep 25, 2014 at 6:46 AM, Aashish Chaudhary <
> aashish.chaudhary at kitware.com> wrote:
>
>> 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>*
>>
>
>


-- 



*| 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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