I was adjusting with scatter at .6, Joe, and you're using .9. As I said, the HSV Value on the second scatter may need tweaking. If you're dealing with scatter at .9, that means the value has to be higher. The reason has to do with another aspect of scatter. If scatter distance is long (low scale) that means more reflection happens inside than right at the surface. Thus, the surface is darker. Similarly if you raise the scale, then less reflection happens inside and more happens at the surface.

We're trying to get a matched pair of scale = .6 to go with scale = 2, and use the same factors with .9 and 2 - it isn't going to work. Scale .9 is brighter than scale .6. So you can't get the masking correction effect unless you tweak the value of the one that is scale=2.

I also don't know if scale=2 is the best choice in all cases. I really only did the one case and then published the tactic so you guys can try other scenarios.

Note - I used .6 as my test case because that was the scale of the new Dublin texture. A couple people claimed, in error, that it was .85. It was .6. The texture detail was .85, not the scale.

There's no end to confusion around here.

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Renderosity forum reply notifications are wonky. If I read a follow-up in a thread, but I don't myself reply, then notifications no longer happen AT ALL on that thread. So if I seem to be ignoring a question, that's why. (Updated September 23, 2019)