POV-Ray : Newsgroups : povray.newusers : Normals in Pov : Re: Normals in Pov Server Time
5 Sep 2024 14:19:41 EDT (-0400)
  Re: Normals in Pov  
From: John VanSickle
Date: 18 Jul 2000 08:08:20
Message: <397448AD.E69AF8D7@erols.com>
Warp wrote:
> 
> John VanSickle <van### [at] erolscom> wrote:
> : For flat triangles the normal is derived from a cross-product of two
> : of the edge vectors (I presume) and therefore depends on the order
> : the vertices are defined.
> 
>   I think it doesn't matter which side the normal is pointing to (as
> in any other surface in povray). This specially doesn't matter with
> triangles since they do not have interior.

I tested this and it seems you're right; my memory is playing tricks on
me again.

Regards,
John


Post a reply to this message

Copyright 2003-2023 Persistence of Vision Raytracer Pty. Ltd.