Tag Archives: selection sets

Creating ID/mask passes using python based on selection sets

aov_mask_id_arnold_maya

Creating masks/id passes it’s really simple, but when working on a scene last week I needed to make id passes based on selections and didn’t want to mess with render layers. So every set of objects would have a different ID pass. Also, just wanted to have full red, green and blue colors, because that makes more easy to mask by channel in photoshop or nuke, instead of having arbitrary colors that you might get with default id passes/shaders. So in this post I am going to show you how I used python to automate the process.

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