Thomas de Groot <tho### [at] degrootorg> wrote:

> So, to be correct, I should also change all the single 0.000 components
> of colour triplets to 0.004.

That's how I understand it.  Never any absolute zeroes anywhere.
And for realism, always some small amount of reflection in every finish (but
maybe our radiosity covers that already)
I usually use an E = 0.000001 to avoid coincident surface type stuff
For the granites I used #declare _not0 = 1/256; // a small non-zero value since
it was the same character length as 0.000 and fit nicely into the color maps  ;)


With regard to the duplicate finish blocks, there was certainly a difference
when I rendered the base texture vs the full layered texture.

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