clipka <ano### [at] anonymousorg> wrote:

>
> If you put a proper math-style 2D coordinate system (X axis right, Y
> axis "top") onto paper, and then add +Z as height above ground, that's a
> left-handed system to me.

Egads, then +Z becomes -Z in POV-Ray!  :-O

But you're right, of course.

My own concept of the axes (putting aside what I learned in school) is kind of
an odd one--or maybe not so odd?  I've been sketching things all my life
(mechanical stuff mostly, in semi-perspective views), and 'right' is +x
naturally, but z is *mostly* INTO the page, and y is *mostly* up, but kind of
sticking OUT of the page a little. (Similar to an isometric view when drafting,
but not as extreme.) Maybe this is why POV's left-handed system was such an easy
learn for me.

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