It's even worse, the first anti-GC part of the sandwich does not work on all numericals.

The User Defined node takes numericals, no actual colors involved.

But also the 50% white (=grey) Diffuse color at 100% value works different from the 100% white at 50% Diffuse value, as only the color swatch is affected.

So for simplicity: Poser GC reduces the contrasts and extremes of highlights and shadows (and other shading), but not color as such.

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Usually I'm wrong. But to be effective and efficient, I don't need to be correct or accurate.

visit www.aRtBeeWeb.nl (works) or Missing Manuals (tutorials & reviews) - both need an update though