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 >
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