HI Ignore, I have just tried the command line you supplied and it worked correctly on my Kubuntu 10.10/ATI system.
The errors you are seeing suggest an issue with the OpenGL driver. What hardware and drivers are you using? Robert. On Wed, Dec 1, 2010 at 12:10 PM, Igor Galochkin <[email protected]> wrote: > Hi, > > I am trying to render the scene to an image without opening any windows. > After doing a lot of searching and looking thru source code of OSG classes, I > still get a completely white image. > > In many places people say one should use the same code as there is in > osgscreencapture which renders to a pbuffer is --pbuffer-only option is > passed. > > But the fact is that osgscreencapture doesn't work itself! > > osgscreencapture.exe axes.osg --pbuffer-only 640 480 > > must produce an image without opening any windows. > > When running this on my laptop (WindowsXP home) i get the following error > message: > PixelBufferWin32::init(), Error: Couldn't find a suitable pixel format > Pixel buffer has not been created successfully. > Windows Error #2000: Win32WindowingSystem::OpenGLContext() - Unable to > restore current OpenGL rendering context. Reason: Pixel format is invalid. > > after that the axes.osg file is just opened in a full-screen viwer window, no > image file is created. > > > When running this on my Desktop PC (WindowsXP Pro) i get the following error > message: > Pixel buffer has been created successfully. > PixelBufferWin32::makeCurrentImplementation, wglMakeCurrent error: Die > angeforderte Ressource wird bereits verwendet. (The requested resource is > already being used) > > Error: OpenGL version test failed, requires valid graphics context. > After that the program crashes and attempt to open Visual Studio debugger. > > On both machines OSG is correctly installed, e.g. i can easily open the osg > files in viewer by double clicking. > > Do I at least call the osgscreenviewer correctly? > > > ... > > Thank you! > > Cheers, > Igor > > ------------------ > Read this topic online here: > http://forum.openscenegraph.org/viewtopic.php?p=34307#34307 > > > > > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
