POV-Ray : Newsgroups : povray.advanced-users : how can a square mesh be changed to a rhomboid : Re: how can a square mesh be changed to a rhomboid Server Time
1 Jul 2024 05:35:25 EDT (-0400)
  Re: how can a square mesh be changed to a rhomboid  
From: Warp
Date: 16 Aug 2010 06:35:05
Message: <4c691458@news.povray.org>
clipka <ano### [at] anonymousorg> wrote:
> Am 15.08.2010 22:09, schrieb davidafisher:

> > But this raises an issue. The triangles will be "distorted" from their original
> > shape - if this impacts the normals to the vertices I don't know how to deal
> > with that.

> If I understand you correctly, then re-computing the normals should be a 
> piece of cake: They should point right away from the center. So 
> presuming that the sphere is centered around the origin, you can simply 
> set all normals to the same value as the corresponding vertices.

  A shearing transform doesn't sound to me like it would keep a sphere
spherical.

-- 
                                                          - Warp


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