Converts color to grayscale. The luminance derives from a color value. Maya uses the following formula to calculate the luminance by adding the following amounts of red, green, and blue.
Luminance = 0.3 red + 0.59 green + 0.11 blue
Find this utility in the Create tab (see Create tab).
To use this utility, see Use the Luminance utility.
The input color or texture.
Use this attribute in conjunction with your multi-render passes workflow.
Shader does not affect render passes.
Perform the same operation on material render passes as is performed on the master beauty pass.
Shader does not contribute to render passes and blanks out contributions made by upstream shaders.
The color computed for the master beauty pass is propagated to all other beauty passes.