maya hydershade的問題

[story_koo]

我想問general utilities內的
Array Mapper, Condition, Distance Between, Height Field, Light Info, Multiply Divide, +/-Average, Sample Info, Set Range, Stencil, Studio Clear Coat, UV Chooser ,Vector Product

同 Colour Utilities內的
Blend Colors, Clamp, Contrast, Gamma Correct, Luminance, Remap Color, Smear, Surf. Luminance

系有咩用,咩情況下用?

[LoGao]

you need "Help",
press F1 and read.