[osg-users] add camera dynamically

[Ran Chao]

my program just shows a earth model, and i want to add camera(use addSlave function) dynamically(such as i press a number key--'1').But when i run the program, it appears a wanring: detected OpenGL error 'invalid enumerant' at After Renderer::compile. And the image of the camera is dark. 
  who have met this problem? i hope that you can give me some advices.[/url]

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http://forum.openscenegraph.org/viewtopic.php?p=63639#63639