Volume Fog's Alpha Channel Value

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Old 01 January 2002   #1
Volume Fog's Alpha Channel Value

Hi,
I want to adjust volume fog's alpha channel value. For example, I want to see volume fog in RGB but I want it's alpha color to be black not white. How can I achieve this ?
Thanks...
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Onur Yeldan @ DreamWorks Animation
www.onuryeldan.com
 
Old 01 January 2002   #2
hi onur whats up?

i think the easiest way to do that is to invert the alpha channel in after effects or something similar.


A|i
 
Old 01 January 2002   #3
Hi ALi , but if i do as you say, all other objects alpha's would be black too. I want to do this just using XSI to speed up the whole process.
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Onur Yeldan @ DreamWorks Animation
www.onuryeldan.com
 
Old 01 January 2002   #4
oh i thought you are rendering the fog seperately.

A|i
 
Old 01 January 2006   #5
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