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Use the Luminance utility

Use Color Utilities

Use the Rgb to Hsv utility

 

User Guide > Rendering and Render Setup > Shading > Render node utilities > Use Color Utilities > 

Use the Remap Color, Remap Hsv, or Remap Value utilities

For software rendering only.

You can more precisely define how an input value (value, point, color) remaps to a new output value. These three color utility nodes have gradient attributes that give you far greater control over remapping than what Ramp textures provide.

With these utility nodes, you can (for example):

• remap and control color values and alpha values separately
• perform simple color correction
• affect the translation of objects
• fine tune or totally change the hue, saturation, and luminance of a color
  TipThese three color utilities work well with the test range feature. See Test textures (and texture ranges).

To use the Remap Color, Remap Hsv, or Remap Value color utility

1. In Hypershade, select > create Maya Nodes > Color Utilities.
2. Select the utility you want to use:
   • See Remap Value for a description of this utility and strategic uses.
   • See Remap Color for a description of this utility and strategic uses.
   • See Remap HSV for a description of this utility and strategic uses.
3. In the utility’s Attribute Editor, adjust the gradient graphs, and set the Input and Output ranges.

   For descriptions of these range attributes, see Input and Output ranges.