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Subject: Re: Lineal algebra problem



guanaco wrote:
> Positive "x" is at the right and positive "y" is up. I need to move the
> camera to a point P1 (the look-from) pointing to another point P2 (the
> look-to). Is there a general procedure to do this with translations and
> rotations?

Not really. No. The problem is that eye point and look-at point
combined don't fully fix the orientation of your camera. You still
have to determine roll (around the view axis), and potentially other
parameters, like field-of-view / focal length.

--
Hans-Bernhard Broeker (broeker@physik.rwth-aachen.de)
Even if all the snow were burnt, ashes would remain.

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