POV-Ray : Newsgroups : povray.general : What does the UV in uv_mapping stand for? : Re: What does the UV in uv_mapping stand for? Server Time
8 Aug 2024 04:11:04 EDT (-0400)
  Re: What does the UV in uv_mapping stand for?  
From: Ron Parker
Date: 8 Mar 2001 16:49:18
Message: <slrn9afvj1.96l.ron.parker@fwi.com>
On Thu, 8 Mar 2001 13:29:56 -0800, Harold Baize wrote:
>They aren't the initials of any particular words.
>My guess is that they were just taken from the alphabet.
>They describe coordinates in a curved 2D space.
>The letters were chosen by moving from z toward a.
>Since x, y and z have been used, for the standard 3D
>coordinates, someone decided upon u and v. Don't know
>what dimension w is used for...

It's the parametric mapping equivalent of z, just as u and v are the
parametric mapping equivalents of x and y.

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


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