Have a better lookat() ?
Andrew Myers
andru at electron.lcs.mit.edu
Sat Mar 30 23:57:24 AEST 1991
In article <9103232036.AA05543 at karron.med.nyu.edu> karron at 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
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