POV-Ray : Newsgroups : povray.advanced-users : Gaussian curvature of a surface : Re: Gaussian curvature of a surface Server Time
30 Jan 2023 09:12:34 EST (-0500)
  Re: Gaussian curvature of a surface  
From: Tor Olav Kristensen
Date: 3 Nov 2022 10:55:00
Message: <web.6363d5156f7bb9f4086e33b89db30a9@news.povray.org>
"Bald Eagle" <cre### [at] netscapenet> wrote:
> ...
> I also found my re-write of TOK's VPerp_To_Vector macro, which had something to
> do with Kenneth and greebles, but in typical fashion, I can't find the original
> thread that started all of that.
> ...

I guess that you are looking for this thread:

From: Robert McGregor
Subject: Sci-Fi Scene Assets
Date and time: 2021-02-17 22:25:01

It can be found with this Google search:



Here's a part in this that thread that seems relevant:


I posted this message in that thread:

From: Tor Olav Kristensen
Subject: Re: Sci-Fi Scene Assets
Date and time: 2021-04-16 23:55:00

- and some more in this part of the thread:


- in reply to your post:

From: Bald Eagle
Subject: Re: Sci-Fi Scene Assets
Date and time: 2021-03-01 15:35:06

Btw: Your gaussian curvature work seem interesting.

Tor Olav

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