view vector -> hpr

jason allen bryan (jbryan++at++cis.ohio-state.edu)
Wed, 13 Oct 1999 18:15:04 -0400 (EDT)

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given three vectors representing the view direction, the up vector,
and the right vector, how does one convert to hpr?
specifically, i know how an object is oriented in a given coordinate
system by the aforementioned orthogonal vectors. but i need to
convert to hpr so performer can properly orient the object.
i tried searching the archives manually with no luck, and i'm not sure if
it's possible to coax pfMatrix into performing the desired transformation.
has anyone conquered this before?

thanks in advance!

Jason Bryan
Ohio Supercomputer Center
www.osc.edu

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