Xref: utzoo comp.graphics:15999 comp.graphics.visualization:273
Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sdd.hp.com!think.com!linus!philabs!.philips.com!zhu
From: zhu@.philips.com (Benjamin Zhu)
Newsgroups: comp.graphics,comp.graphics.visualization
Subject: Cone-tracing ellipsoids
Message-ID: <118264@philabs.Philips.Com>
Date: 15 Feb 91 21:00:48 GMT
Sender: news@philabs.Philips.Com
Reply-To: zhu@.philips.com (Benjamin Zhu)
Organization: Philips Laboratories, Briarcliff Manor, NY
Lines: 10

Has anybody ever done cone-tracing ellipsoids of arbitrary
orientations? Reflections and refractions are ignored here.
My current implementation involves transforming an ellipsoid
into a sphere, and subsequently transforming the viewing
coordinates. Since there might be many ellipsoids in the
scenes, I am curious if other alternatives are more efficient.
Any comment is greatly appreciated.

Benjamin
zhu@philabs.philips.com