Hi and welcome to OSG. You need to make sure your viewport and projection matrix have equivalent aspect ratios. The best way to do this in MFC is to use the viewport dimensions that your using (traits->width, traits->height) and then change your projection matrix to match that aspect ratio. -Steve ________________________________
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of TANG Fangqin Sent: Tuesday, July 15, 2008 10:34 AM To: [email protected] Subject: [osg-users] Using OsgViewerMFC to load a sphere Hi All, I am a beginner of OSG. I used OsgViewerMFC to load a sphere into the scene, but it displays as an ellipsoid. The radius doesn't seem to be equal in two orthotropic axes. I find that it may be related to the width and height of the view window when initializing. The following codes are from OsgViewerMFC: ::GetWindowRect(m_hWnd, &rect); ... traits->x = 0; traits->y = 0; traits->width = rect.right - rect.left; traits->height = rect.bottom - rect.top; ... osg::GraphicsContext* gc = osg::GraphicsContext::createGraphicsContext(traits.get()); How to solve this? Thanks for your advices in advance. Tang
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