2011/1/27 Sébastien Ramage <sebastien.ram...@gmail.com>

> Hello Thomas and Goran,
>

Hi Sebastien,


> On Ubuntu (so maybe on Debian too)  OpenCascade don't like the current
> pythonOCC and Intel cards association.
>
> But after ran some tests, I can say :
> - OpenGl is working good (with wxPython or pyQT, pyOpenGl)
> - FreeCAD is working good too (and it use OpenCascade and QT)
>
> So I think we can look into FreeCAD to understand how it works and if the
> licence permits it, try to mimic it ?
>

Freecad does not use the default OCC OpenGL pipe. TopoDS_Shapes are
tesselated from OCC, and then passed to another OpenGL renderer with a
better OpenGL implementation (Coin3d). (I'm quite sure HeeksCAD does use the
same way to render shapes). Well, this is what I understood from the source
code, I maybe wrong.

The issue you report is OCC/OpenGL specific, and I'm afraid ther's no simple
solution (there might be a patch for Salome, but I'm not sure about that).


>
> Sébastien
>

Thomas


>
>
>
>  2011/1/27 Goran Lukic <goranl...@gmail.com>
>
>> Hi Thomas,
>>
>>
>>
>> Thanks for providing the link. Very interesting blog.
>>
>> There's a lot of usefull information about Open CASCADE...
>>
>>
>>
>> I compiled pythonOCC on Debian GNU/Linux. It seems, Open CASCADE don't
>> like cheap Intel graphic cards (regardless of OS).
>>
>>
>>
>> Please tell me, can you use background color on Mac OS X without any
>> problems using
>>
>> SetBackgroundColor( Quantity_TypeOfColor Type, Quantity_Parameter V1,
>> Quantity_Parameter V2, Quantity_Parameter V3) ?
>>
>>
>> Goran
>>
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>>
>>
>
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