In article <3992D0E8.24428FA6@aol.com>, Mike <Ama### [at] aolcom> 
wrote:

> I was pondering how to do this and the clouds, sky, and sun are easy
> enough to do.  The only thing left was the lens flare and sun glow, but
> notice that in the cloud program the flare and glow vary with the sun
> intensity through the clouds.  Could post_process read the filter value
> of the sun through the clouds and use this to adjust the intensity of
> those?

I don't think post_process is necessary...unless you are talking about 
something completely different from what I am thinking of.


> Double sided shading should take care of this.  The diffuse highlight
> showing from the back side of a large sphere would create the glow.

That wouldn't do the effect of thick clouds having dark areas on the 
side facing away from the light source. All it would do is make the 
parts closer to the sun-spot brighter, which isn't the same.

-- 
Christopher James Huff - Personal e-mail: chr### [at] maccom
TAG(Technical Assistance Group) e-mail: chr### [at] tagpovrayorg
Personal Web page: http://homepage.mac.com/chrishuff/
TAG Web page: http://tag.povray.org/

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