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Image rollover
0beauty-title.jpg
1utility-title.jpg

Rollover image to view Object ID pass (Utility utility shader set to 'obj')

 

The AOV_Write shader in combination with the Utility shader is utility shader is a useful combination for writing out an Object ID pass. This simple setup will allow you to use an ID pass in compositing software to identify certain objects by their color. We will also isolate certain objects and give them specific id's with which to group by color.

A simplified example scene that also demonstrates this AOV
Write
_write workflow can be found here.

 

Standard Surface Shader

  • Start off by creating a Standard Surface standard_surface shader that you want to use as the beauty shader. Create > Arnold > Surface > standard_surface in the Material Manager. Assign it to the geometry that you want to create an Object ID render. 
  • Open the Arnold Shader Network Editor of the material. You should see the Standard Surface the standard_surface shader connected to the Arnold Beauty port as in the following image.

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