On 11/14/2009 11:27 PM, SharkD wrote:
> I have a matrix:
>
> matrix
> <
> CamR.x, CamR.y, CamR.z,
> CamU.x, CamU.y, CamU.z,
> CamD.x, CamD.y, CamD.z,
> CamL.x, CamL.y, CamL.z
>  >
>
> What is the inverse?
>
> Thanks.
>
> Mike

Nevermind. I found some code to do it here:

http://www.euclideanspace.com/maths/algebra/matrix/functions/inverse/index.htm

Do I need to flip the POV-Ray matrix first? In POV-Ray, translation 
occurs in the last *row*, whereas in the page I linked to translation 
occurs in the last *column*.

Mike

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