POV-Ray : Newsgroups : povray.general : 3.2.1.6.5 in docs--clarification needed : Re: 3.2.1.6.5 in docs--clarification needed Server Time
29 Jul 2024 10:32:14 EDT (-0400)
  Re: 3.2.1.6.5 in docs--clarification needed  
From: Trevor G Quayle
Date: 1 Mar 2013 11:00:01
Message: <web.5130cfc9ef3a5b5981c811d20@news.povray.org>
"Kenneth" <kdw### [at] gmailcom> wrote:
> What is the concept of 'scaling a point'? Does it just mean that the chosen
> point in space, by being scaled, then moves 'up and away' from the origin? (like
> scale would do to any point on an *object* if it were not at the origin to begin
> with.) If so, then I *think* I understand what happens to 'the point' at
> <4,3,7>--the vector is the new 3D position of that point--a single point--after
> it's rotated and 'scaled' from it's original <4,3,7> position.

Remeber, all transforms are relative to the origin.  So scaling a point would
move it away from the orgin proportional to its distance and the scale.  If it
is at the origin, it basically has no effect.




-tgq


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