View Full Version : ambience and ambient?
phifehinds 02-21-2008, 05:43 PM Hello, basic question about mental ray shaders... whats the difference between ambience and ambient... ?
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jeremybirn
02-21-2008, 06:42 PM
Which shaders?
-jeremy
phifehinds
02-21-2008, 07:30 PM
Any of the shaders/materials within Maya's mental ray... blinn, lambert, phong..
Leonikou
02-28-2008, 03:16 PM
Do you mean between Color and Ambient Color?
Or perhaps between Ambient Color and Incadescence?
Because there is no ambience attribute that I am aware of.
Pierscoe1
03-20-2008, 04:57 PM
hahaha... this option in maya made me laugh out loud too...
create a MentalRay node in hypershade, of the type "mib_illum_lambert" or similar..
it has both "Ambient" AND "Ambience" properties!!
WTF!?!?!??!
I have no idea what the difference is...
Leonikou
03-20-2008, 06:13 PM
"ambience : is a multiplier for the ambient color. The idea is that ambient and diffuse color can be derived from the same subshader result (a texture mapper, for example) and the ambient brightness can be reduced to avoid losing the effect of illumination.
ambient : is a constant color offset.
diffuse : is added to the result for each light, after multiplication with the color returned by the light and a weight based on the dot product of the incident ray direction and the light direction. "
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