Re: Matrix order

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Angus Dorbie (dorbie++at++sgi.com)
Fri, 17 Sep 1999 12:35:35 -0700


Scott Herod wrote:
>
> I think the confusion is with the names of the various pfMatrix
> routines. For example does postRot( M, d, x, y, z ) mean compute
> M*R where R is the rotation matrix or R*M? I am writing the matrix
> multiplication right to left as is standard so that M*R means first
> rotate then apply M.

Makes sense to me, build R and post mult with M, ie. post rotate M. I
don't see a better way of wording the function without it getting silly.

Cheers,Angus.

-- 
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