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3c2cf7c3$1@news.povray.org...
> Thanks. What is UV Mapping? Is this in a FAQ somewhere?
It's explained in the Megapov and 3.5 docs.
UV mapping is a way of texturing where the texture follows the surface of
the object. Basically, if you want the texture on the cloth to follow the
folds and other deformations, you'll need UV mapping.
G.
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"Gilles Tran" <tra### [at] inapg inrafr> wrote in message
> UV mapping is a way of texturing where the texture follows the surface of
> the object. Basically, if you want the texture on the cloth to follow the
> folds and other deformations, you'll need UV mapping.
OK, thanks. That makes sense. What does the UV stand for? To me, that means
Ultra-Violet. I have been trying to think of what UV could otherwise stand
for and I am stumped. And I work as a subcontractor to *NASA*, the world
leader in obfuscative acronyms! ;-)
Jon
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On Wed, 2 Jan 2002 13:33:31 -0600, "Jon Berndt" <jsb### [at] hal-pcorg>
wrote:
>OK, thanks. That makes sense. What does the UV stand for?
Local / parametric / material / surface coordinates. XYZ are the
coordinates of a point in 3D, but if restricted on a defined surface,
a point can be defined by just longitude and latitude, i.e. U and V.
Knowing the UV coordinates and the surface, the XYZ coordinates can be
found, and vice versa.
Of course you can have a third local coordinate, W, but it makes no
sense for surfaces, only for volumes.
Peter Popov ICQ : 15002700
Personal e-mail : pet### [at] vipbg
TAG e-mail : pet### [at] tagpovrayorg
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