Translucent coloured glass. How i do? (Maxigo)

[kimal73]

I don't know how do a cube with a traslucence coloured glass shader. I can do only a glass translucent cube. For this i changed the glossi transparent value from 100 to 2. I assign a colour in the box of colours, but this don't appears in the render.

Excuse me for my english.
Thanx

[suvakas]

Try to lower Absorption RGB values. Maybe it helps.

Suvakas

[kimal73]

thank you. but how material i 've to use? phong or medium/sss?

[suvakas]

Use Medium/SSS material and lower the decimal values of Absorbtion R, G and B spinners by one digit. (for example from 25.5 to 2.55).
Thicker models need smaller absorbtion values to get the color to appear (i think)...

Suvakas

[Kram1032]

not really...
thicker things just absorb more light, as the absorbtion is avalue, that defines, how much light is absorbed in how many meters...

[suvakas]

ok. But what happens if more light gets absorbed?
In my test renderings i've noticed, that the material gets towards black if the absorbtion is too strong. That's why the "color" gets lost.
So if you lower the absorption values, then less light gets absorbed (right?) and the color comes out.
Is it so or am i geting it wrong?

[Kram1032]

If you want to have exactly the same colour, you need lower absorbtion for thicker things...
But normally, you never need such a big absorbtion, that the object turns black, already...
Even if the things are very thin...

[suvakas]

In my tests the material that turns thick models to black renders fine on thin model. So..there is a lot for room for play . Thats why i will add an RGB multiplier to my next exporter release. I think it's the same as gain in blender exporter.

Suvakas

[Kram1032]

yes, gain in both SSS and absorbtion is a simple multiplier, to get colours above 1.000 1.000 1.000 and beyond 0.001 0.001 0.001 (exactly from 0.0001 0.0001 0.0001 - 100,000,000 100,000,000 100,000,000, whic is more than enough )