In article <3eaae469@news.povray.org> , "Slime" <slm### [at] slimelandcom> wrote:

> Oh, wait. I hadn't thought about the case where the up and right vectors
> weren't already perpendicular. *Does* it straighten them out in this case,
> or does it align the right vector as I described, or does it align the up
> vector as I described?

See parse.cpp function Parse_Camera.....

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Thorsten Froehlich, Duisburg, Germany
e-mail: tho### [at] trfde

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