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How to bake metal/smoothness map for Unity?

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trojanfoe    1

Hi there, I would like to bake all the textures of my game assets for use in Unity where the smoothness is baked into the metal map alpha channel.  I cannot see from the Bake Textures ROP node how to do this?  Do I need to create/use a non-standard shader for this?

Here is the test geo from Houdini (note rough blue material):



and this is what it looks like in Unity (note shiny blue material):



Here is the project.  I am using Houdini Indie 16.0.578 under Windows 10.



Edited by trojanfoe

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