Le_Forgeron <jgr### [at] freefr> wrote:
>
> First, it depends on the type of camera to take into account or not the
> length of the direction vector, and usually it's a ratio with the
> other(s) vector(s) (up/right)
>
> Second, not at all.


It is an perspective camera an the ratio from it is 4:3 which is also the
standard ratio for povray.

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