I'm trying to set the projection matrix by the camera, just before calling a camera->frame. But, as soon as "frame" returns, the projection matrix is changed in the left and right clipping planes. Since the redraw is called as a consequence of a resize event, and the viewport is updated consequently, is there a relationship between the projection matrix and the viewport?
In OpenGL there isn't any relationship, I mean that I can set the viewport independently of the projection matrix. But it seems that OSG doesn't want to distort the original scene. If so, is it the default behavior? How can I disable such a behavior? Thanks, Gianluca
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