> By default, the camera opening angle is determined by the ratio between
> the right & direction vectors (even if they are not explicitly
> specified).

   I recently discovered this called in photography the "horizontal angle",
while I was always using it as if it was the "diagonal angle". But the
difference is not very important for everyday usage, I guess...


-- 
Jaime Vives Piqueres

http://www.ignorancia.org

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