Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!usc!samsung!think.com!mintaka!electron!andru
From: andru@electron.lcs.mit.edu (Andrew Myers)
Newsgroups: comp.sys.sgi
Subject: Re: Have a better lookat() ?
Message-ID: <1991Mar30.135724.21424@mintaka.lcs.mit.edu>
Date: 30 Mar 91 13:57:24 GMT
References: <9103232036.AA05543@karron.med.nyu.edu>
Sender: daemon@mintaka.lcs.mit.edu (Lucifer Maleficius)
Organization: MIT Laboratory for Computer Science
Lines: 11

In article <9103232036.AA05543@karron.med.nyu.edu> karron@cmcl2.nyu.edu writes:
>
>Has anyone have an algoritm for removing the annoying twist when you
>use lookat() to view an object from arbitrary locations ?

Contrary to popular belief, lookat has no "annoying twist" problem. Rather,
it has an "annoying axis" problem. lookat aligns things so that the Y axis
is up, not the Z axis as you might expect. You can compensate for this
by simply putting 90 degree rotations around your lookat command.

Andrew