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Simon de Vet <sde### [at] istar ca> wrote:
> I've looked at other people's cloud techniques, and they all use 3-d to
generate
> 3-d looking clouds. Some use media, or isosurfaces, or stacked planes, but
all use
> actuall objects.
[snip]
> I'm attaching a test image I made before I gave up on this technique, due
to time
> limitations. It's a very early image, with no pseudo-3-d effects, but it
shows how
> pigments can be used to create the shape of distant thunderclouds. It's
all one
> pigment, generated with the 'pigment control trick' and MegaPov's spline.
Yes, I think this method does hold a lot of promise. A while ago I put
together a few animations of various types of clouds, which do include
sun-shading (see the Current Projects page at
http://www.geocities.com/ccolefax/projects.html). The code is all quite
basic POV 3.1, and I've parametised most aspects of the clouds. I think the
trick is to find pigments that look effective at high resolutions...
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