POV-Ray : Newsgroups : povray.general : Vector Reorientation: overcoming the twist. : Re: Vector Reorientation: overcoming the twist. Server Time
31 Jul 2024 06:14:31 EDT (-0400)
  Re: Vector Reorientation: overcoming the twist.  
From: Christian Froeschlin
Date: 1 Oct 2007 05:52:21
Message: <4700c355$1@news.povray.org>
Greg M. Johnson wrote:

> I have an object that I am reorienting from y to -y.  At the .y=0
> transition, there is a flip.  
> 
> I see how Mike Williams did it in sweepmesh, but for practicality in my case
> I would like a single transform.  Is there no simple mathematical
> transformation that allows this to happen without the flip?

I'm not sure what you mean by "reorienting from y to -y without flip".
A rotation by 180 degrees might be what you are looking for.


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