Am 06.04.2016 um 09:52 schrieb And:

> I derived a solution on what I said the albedo value getting dark when sigma
> increase.
> I study the formula from the wikipedia. It said A=1-0.5*..., B=0.45*...(Both
> rely on the sigma)
> 
> And the result albedo seems rho*A + rho*B*(2/3-64/45/pi) instead rho
> itself. So maybe you can divide it when apply the diffuse albedo feature.

Thanks! That correction factor appears to make a lot more sense than the
hack I had come up with :)

Not too surprisingly, experiments indicate that it does indeed fit like
a glove.

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