POV-Ray: Newsgroups: povray.advanced-users: cloud movement

POV-Ray : Newsgroups : povray.advanced-users : cloud movement		Server Time 4 Nov 2024 21:25:51 EST (-0500)

From:
Subject: cloud movement
Date: 2 May 1999 09:23:25
Message: <372c43bd.0@news.povray.org>

Hi!

I like to control the movement of clouds over a terrain. The cloud(1) come
from south direction, cloud(2) from north, and the hill modifies the moving
direction of booth clouds. I think its possible with bounding objects and
transparent parts in the firs time over the hill... Any suggestion? See my
hand made (sorry, mouse made) picture attached...
(brrrrrr so bad english...)
Thanks!

Steve Line (in english translation)

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From: Bob Hughes
Subject: Re: cloud movement
Date: 2 May 1999 19:57:10
Message: <372CD843.F974A96A@aol.com>

Cross-posting is a no-no.

You might try media in blobs maybe, using the negative strength
component(s) to affect the visible ones. Guess it's possible to clip a
cloud textured object, but think all you'd get is sharp edges. Best thing
would be procedural texturing which blanks out for the invisible parts,
translating the texture for movement. Just a layered texture like that on
a plane might be okay for both cloud motions.


> 
> Hi!
> 
> I like to control the movement of clouds over a terrain. The cloud(1) come
> from south direction, cloud(2) from north, and the hill modifies the moving
> direction of booth clouds. I think its possible with bounding objects and
> transparent parts in the firs time over the hill... Any suggestion? See my
> hand made (sorry, mouse made) picture attached...
> (brrrrrr so bad english...)
> Thanks!
> 
> Steve Line (in english translation)
> 
>  [Image]

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