The near plane is typically negative for orthographic projections. For a perspective projection (call to glFrustum()), the near and far planes must both be positive. -Paul
_____ From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Chuck Sembroski Sent: Friday, August 24, 2007 10:06 AM To: [email protected] Subject: [osg-users] negative near clipping plane? In our application, we are seeing CullVisitor::getCalculatedNearPlane() return negative values. We're using OSG version 1.1, but in looking at 2.0, I don't see anything which would preclude the near plane from going negative. Should we be clamping the near to a small positive number, or is this being done somewhere and I just haven't found it? Chuck Sembroski GeoProbe Architect _____ This e-mail, including any attached files, may contain confidential and privileged information for the sole use of the intended recipient. Any review, use, distribution, or disclosure by others is strictly prohibited. If you are not the intended recipient (or authorized to receive information for the intended recipient), please contact the sender by reply e-mail and delete all copies of this message.
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