POV-Ray : Newsgroups : povray.general : mesh2 syntax clarification : Re: mesh2 syntax clarification Server Time
12 Apr 2024 17:42:21 EDT (-0400)
  Re: mesh2 syntax clarification  
From: Le Forgeron
Date: 22 Dec 2022 04:47:53
Message: <63a427c9$1@news.povray.org>
Le 11/12/2022 à 00:39, Bald Eagle a écrit :
> "Bald Eagle" <cre### [at] netscapenet> wrote:

> Only a few normals were pointing outward, which means that somehow almost all of
> my normals are reversed.  So one character later (-) I was able to render the
> bunny with almost all of the normals facing outward.
> I guess there's a way to do a breadth first search and correct the normals that
> don't point in the same direction as all the others.

Just do not forget that
1. mesh is not always single part (it might have two or more shapes, 
intersecting or not at all)
2. you can model a moebius strip with a mesh, no right "outside" normal 
to propagate then.

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