If I remember correctly you have to assume a focal length of 1 and determine
the aperture from the screenWindowWidth? Unless you output custom metadata I
remember that you couldn't get the actual focal length, although I could be
wrong.

2011/4/28 Lucien Fostier <[email protected]>

> Hi fellow tds
>
> I m trying to create a camera from exr metadata coming from prman.
>
> So i use the projection matrix world to camera which give me position and
> orientation in space.
>
> Id like to extract the focal lenght from this data but i cant find how to
> do it.
>
> May someone help me about this or give me some pointer?
>
> Thanks
>
> Lucien
>
> Envoyé de mon iPhone_______________________________________________
> Nuke-python mailing list
> [email protected]
> http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-python
>
_______________________________________________
Nuke-python mailing list
[email protected]
http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-python

Reply via email to