> "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
>
>

Thanks Carlo. See you ...


    Bruno.

-- 

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

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