"maria" <mar### [at] gmailcom> wrote:
> Hello,
> I have an image and the total size looks like is 1 unit by 1 unit,
> but I could not find why and,
> what is the meaning of 1 unit?.
> Is 1 unit each square pixel?
>
> Thank you,
> Maria

Actually, the idea of '1 unit' in POV-Ray is itself kind of arbitrary--a sort of
internal standard; but there are *many* other things in the program that are
also based on that--for example, gradient x (or y or z) pigments and patterns,
etc. They repeat after '1 unit'--which makes the whole system nicely
consistent. Of course, practically anything in POV-Ray can be scaled up or
down, if you like, and over a very wide range--without losing resolution or
quality.

Ken W.

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