"Bruno Cabasson" <bru### [at] cabassoncom> wrote:
> Hello POVers.
>
> Perhaps some people here will remember me. It's a loooong time I was not
> present among the POV community. Real life took me away from you (sigh...)
> for months and from my POV-related projects. The main project is still
> alive and is called TerraPOV. It deals with landscape scenes, inspired by
> Terragen, and I was mainly focusing on atmosphere and cloudscapes, which
> is a difficult exercise if you want to have quite-realistic results. I had
> some encouraging renders. I came back on POV forums and to TerraPOV
> recently. My new machine (overclocked Q6600) allows a step forward. I feel
> like I can say something on this thread about clouds.
>
>
> TerraPOV has 3 major dimensions:
>
>      1) Atmospheres & cloudscapes/single could
>      2) Terrain generation/texturing
>      3) Preview & other user-friendly features
>
> I also remember that I promessed you a tutorial for the principles ruling
> TerraPOV's atmophere & clouscape system. I will keep my promess soon.
>
> Here are a few things I can get, among them is the last render I got last
> night (atmo_demo5bis.png and atmo_demo5ter.png), based on a previous test
> scene, but with higher settings. The problem I have now is to find a
> solution for multi-layer cloudscapes because monte-carlo integration can
> only be in a single container. Until now, cloud layers are contained
> within spherical shells. I am currently trying to find a way to have
> multiple layers (2 or 3 are enough for most cases) within a single shell
> container without setting too many intervals or samples for the media.
>
> The last picture 'atmo_demo5ter.png' is the same as 'atmo_demo5bis' shows
> what can happen with 2 layers, which is more visible at low elevations
> (resp 3deg and 18deg). The bottom layer is dark because integration only
> occurs within the shell and does not take into account what happens above.
> You can see that the top layer bahaves as It could be expected.
>
> I am very happy to be back, and I sincerely hope I can get regular
> availability and time here. It is always a nice pleasure to be with people
> around here.
>
> Bruno
>
> --

> http://www.opera.com/mail/

Magnificent clouds.
I prefer the sky_23_2 for its romantic atmosphere.
Alors, bienvenue!

:-)

--
Carlo

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