Hi Sanat,

I was trying some example in osgviewer and found the following error messages 
in the command line:

C:\Tools\OpenSceneGraph-2.8.0_VS_2005\bin>osgviewer.exe C:\Tools\OpenSceneGraph-
2.8.0_VS_2005\bin\OpenSceneGraph-Data-2.8.0\cow.osg
Windows Error #127: [Screen #0] ChooseMatchingPixelFormat() - wglChoosePixelForm
atARB extension not found, trying GDI. Reason: The specified procedure could not
  be found.

Rendering in software: pixelFormatIndex 3

What might be the reason for this ?? I can see the cow model correctly so I 
don't know what to read from these messages.

AFAIK, this should only happen if the machine you're on cannot create a normal "hardware-accelerated" OpenGL context. Perhaps you don't have good OpenGL drivers on this machine, or it's a really bad video card/chipset?

Hope this helps,

J-S
--
______________________________________________________
Jean-Sebastien Guay    jean-sebastien.g...@cm-labs.com
                               http://www.cm-labs.com/
                        http://whitestar02.webhop.org/
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