On Wed,  2 Nov 2005 17:39:30 EST, "pare03" <par### [at] gelulavalca> wrote:
> I would like to know if there is a way to extract the 4x4 projection matrix
> from a perspective camera declared in Povray.  I currently have these
> camera settings:
>
> camera
> {
>     perspective
>     location <-49.61, 1.18, 0.44>
>     angle 32.58
>     look_at <0.00, 1.18, 0.44>
>     right 4/3*x
>     up y
>     sky -z
> }
>
> Is there a way to do so ?

You can try to setup camera with macros of screen.inc include file. These
macros internally declare transform Camera_Transform which contains matrix of
current camera. See how it is done there.

ABX

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