Have a better lookat() ?

[Andrew Myers]

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