Reactor wrote:
> SharkD <mik### [at] gmailcom> wrote:
>> Reactor wrote:
>>> You can try increasing the extinction value in the scattering block.  By
>>> default, extinction is 1.0, but you can increase it to something higher to
>>> increase the amount of light absorbed by the media without actually thickening
>>> the media.  By doing this, though, your clouds may have a very strong color
>>> contrast with white at the tops and a very dark bottom.  You can control the
>>> contrast of the clouds by balancing the scattering media with absorption and
>>> emission medias.
>>>
>>>
>>> -Reactor
>> Thanks! Any tips on the increasing brightness problem I described in my
>> other post?
>>
>> -Mike
> 
> I'd have to see an example, but what you've described sounds kind of like
> sampling artifacts  Is the second sampling parameter still used with method 3?
> try boosting the min samples to 50 and rendering only that small part of the
> scene.  If it is closer to what you expected, then it was caused by sampling
> errors.
> 
> -Reactor
> 
> 

Here's an example:

http://i421.photobucket.com/albums/pp292/SharkD2161/Support/gh_scene_outdoors_cubemap.png

Notice how the clouds are darker near the camera (at the top of the 
image) and get lighter the farther away they are (toward the middle of 
the image). The samples are already set pretty high:

samples 30, 100

-Mike

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