Clouds 2004-02-01 - By Peter MacDougall
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Mike Moir's tutorial is very effective and fast: use the atmosphere
editor to create several duplicate and closely spaced cloud layers.
My section in the Carrara 3 Handbook includes a little information
about the volumetric 4D Clouds. I generally create a single fluffy
cloud (start with settings like this and then tweak: x,y,z all set to
the same size, scale 100%, density 1, threshold .5, blending on and set
to .5, linear falloff and falloff amount set to 50%) and then duplicate
it several times without moving it to make it more dense. This is very
CPU intensive but can produce some convincing cumulus 3D clouds. The
biggest drawback is the 4D cloud does not interact with the lights in
the scene: its colour and appearance is set entirely in the volumetric
cloud dialogue by choosing the Z-gradient colours and the corner
colours.
On Sat, 31 Jan 2004 14:38:15 -0500, Naomi Sullivan wrote:
>You know what I'd like? I'd like a volumetric (heck any kind of) cloud
>that actually looks like a cloud!
>
>Has anyone achieved this? If you have, could you share your secret with
>the rest of us? I for one would be VERY grateful.
>
>Naomi
Peter MacDougall
pem@(protected)
http://www3.telus.net/pem/index.htm
Reality always exceeds your expectations.
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