Op 14-4-2021 om 12:22 schreef Bald Eagle:
> 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  ;)
> 
Smart! ;-)

> 
> With regard to the duplicate finish blocks, there was certainly a difference
> when I rendered the base texture vs the full layered texture.
> 
Yes, there is a difference. I need to test this more thoroughly though 
to see what the different finishes do to the final render because I am 
not entirely sure about the transparant parts of the second layer.

Shall report back later.

-- 
Thomas

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