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How to add emission channel to carpaint shader

4 ANTWORTEN 4
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Nachricht 1 von 5
Anonymous
428 Aufrufe, 4 Antworten

How to add emission channel to carpaint shader

I noticed there is no emission channel in the carpaint shader. What's the best way to add emission to a shader without the channel?

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4 ANTWORTEN 4
Nachricht 2 von 5
lee_griggs
als Antwort auf: Anonymous

You could use a Mix shader. I'm curious as to why you would want to do that?

Lee Griggs
Arnold rendering specialist
AUTODESK
Nachricht 3 von 5
Anonymous
als Antwort auf: Anonymous

@Lee Griggs Would the best way to use the mixer shader be, to set the weight for all the channels in the standard shader to 0 except for the emission channel, and then add it to the carpaint shader?

Why wouldn't you want to do it? :leicht_lächelndes_Gesicht:

Thanks!

Nachricht 4 von 5
lee_griggs
als Antwort auf: Anonymous

Yes and add a texture to the Mix Weight as a mask between the two.

>Why wouldn't you want to do it? :leicht_lächelndes_Gesicht:

Hehe, ok you don't have to tell me why :zwinkerndes_Gesicht:

Lee Griggs
Arnold rendering specialist
AUTODESK
Nachricht 5 von 5
maxtarpini
als Antwort auf: Anonymous

you might have some overhead doing that (using a zero'ed aistandard) also that's not really necessary.

best workflow here is to use an aiBlackbody (in the 2nd slot of a mix shader) which is probably really there for this kind of stuff, then set mix shader to add (light is additive). eventually if you wanna know the long story have a read here ... https://en.wikipedia.org/wiki/Black-body_radiation

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