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dragonP
08-17-2005, 01:55 AM
Hi how do you use the mix8layer node in mental ray, I want to create skin using the fast SSS skin shader, and also use this node, but I dont know where to plug it?

LehaS
08-17-2005, 05:59 AM
You plug it the same way as any other MR shader into your MR MAterial Shader slot of SG....

n.layeres - control how many layers will be used besides default base.color
color.* -this is where you plug your channels
factor - like transparency in PS....impact of current layer

Thats it

Everything is pretty self explanatory....Cant give you advices on using SSS cause i m personally not SSS user at all :D

dragonP
08-18-2005, 11:45 PM
thanks for the info :D But I really would like to use it with the SSS fast skin shader. Anyone else know?

LehaS
08-19-2005, 12:20 PM
I think people use mix8 with SSS just for separating the outputs of SSS shader for better control...the same way i m using ctrl_shading btw.....just learn how to use SSS...and break it into separate layers via mix8layer....

zkanal
08-19-2005, 09:06 PM
Don't forget to plug the lightmapshader in the mix8Layer SG as well.

mimo8
11-11-2005, 03:42 PM
using mix8layer for OSX
it is installed propperly, appears in the mr-material list and renders without error message, but it produces black objects that behave like an alpha channel

any hints?
thnx
m

zkanal
11-12-2005, 12:20 PM
Are you meaning you are getting a black alpha channel for your objects?
If so, enable "pass custom alpha channel" in your MentalRay Render Globals/Settings.
Or use a maya surface shader to pipe your mental ray shader through via the out color.

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