POV-Ray: Newsgroups: povray.general: Trace(): help required: Re: Trace(): help required

POV-Ray : Newsgroups : povray.general : Trace(): help required : Re: Trace(): help required		Server Time 1 Aug 2024 02:18:58 EDT (-0400)

From: POVMAN
Date: 19 May 2006 05:00:14
Message: <446d891e$1@news.povray.org>

> But what is a 4 vectors version? What is the NORM doing and about?
>
> Sven

The NORM is a Vector that represents the angle at which the ray being used 
in the trace function hits the object.

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