"Curtis L. Olson" <[EMAIL PROTECTED]> said: > If that is not the case, then you will only be introducing odd > rendering effects and you probably need to come up with a different > approach. > > It makes sense to change the near clip plane and clear the depth > buffer before drawing the 3d aircraft model *if* it is going to be > closer to the eye point than any terrain or other objects in the > scene. This should be the case for 'chase plane' type external views. > > However, for tower views or any long distance viewing of models, the > near/far clip planes should not be changed before drawing them so they > can be properly integrated with the rest of the scene and the hidden > surface removal will work right. >
Yes, what you have written is understood. The problems I'm seeing do not appear to be just Z fighting and clearly have nothing to do with the near/far plane settings. Even with fp error, it seems the problem in that second picture shouldn't be happening. Best, Jim http://www.spiderbark.com/fgfs/KSFO-sinking.png http://www.spiderbark.com/fgfs/KSFO-truman-show.png _______________________________________________ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel