POV-Ray : Newsgroups : povray.bugreports : Re: should be normal weighted ? Server Time
31 Oct 2024 23:27:01 EDT (-0400)
  Re: should be normal weighted ? (Message 1 to 1 of 1)  
From: Ron Parker
Subject: Re: should be normal weighted ?
Date: 5 Dec 2000 05:52:46
Message: <3a2cc8fe$1@news.povray.org>
On 4 Dec 2000 15:40:25 -0500, Ron Parker wrote:
>On Mon, 04 Dec 2000 12:01:51 -0800, Josh English wrote:
>>I thought that I read in the docs that the length was the dot product, but
>>in fact they say "The resulting vector is perpendicular to the two original
>>vectors and its length is proportional to the angle between them." In my
>>experiments, that distance did seem to be at its largest when the vectors
>>were orthogonal.
>
>Proportional to the sine of the angle between them.  Remind me to check the
>docs when I get home.  Sine has a maximum at 90 degrees, so your experiments
>were correct.

Hm... it certainly does say "proportional to the angle".  That's a doc bug.

-- 
Ron Parker   http://www2.fwi.com/~parkerr/traces.html
My opinions.  Mine.  Not anyone else's.


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