POV-Ray : Newsgroups : povray.advanced-users : New random distribution macros : Re: New random distribution macros Server Time
21 Oct 2021 06:55:46 EDT (-0400)
  Re: New random distribution macros  
From: Bald Eagle
Date: 5 Mar 2021 16:05:06
Message: <web.60429c03296d8a3b1f9dae300@news.povray.org>
"Kenneth" <kdw### [at] gmailcom> wrote:
> "Kenneth" <kdw### [at] gmailcom> wrote:
>
> > Voila! Well, discounting the mathematical magic that would probably be required.
> > ;-)
>
> I do see the main problem though, and it's a big one: How to correlate an
> oddly-shaped total 'area' of triangles on the TEXTURE map (certainly not a 1X1
> ratio area, and with an oddly-shaped perimeter) to the HF itself, which *is* a
> 1X1 ratio. It would be a strange scaling problem indeed.
>
> :-(

Well serendipity and synchronicity strike again:
I was looking for some info to better explain the meaning of the core inequality
in the polygon test, and I found a video by Sebastian Lague

https://www.youtube.com/watch?v=HYAgJN3x4GA

with this link in the comment section:

https://chrischoy.github.io/research/barycentric-coordinate-for-mesh-sampling/


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