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000338_owner-lightwave-l _Fri Feb 17 13:47:48 1995.msg
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1995-03-19
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From: mark@fusion.MV.COM (Mark Thompson)
To: lightwave-l@netcom.com
Subject: Re: Steamed
Sender: owner-lightwave-l@netcom.com
Precedence: bulk
> I am trying to create realistic steam on a cup of coffee. I am using a cone
> with fractal noise transparency and transparent edges. This works fine,
> except the top of my steam cone comes to an abrupt end.
When you setup your transparency map, make sure your surface has 100% transparency
and your texture value is something less than that (perhaps 30%). Then place
the texture center near the lower end of the steam cone. And finally, set the
texture fall-off such that the texture is completely diminished by the top
of the cone.
*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*
* Mark Thompson (603) 424-1829 *
* Fusion Films Inc. mark@fusion.mv.com *
* Radiant Image Productions *
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~