VFX Artist Thomas Banner, shares a Nuke Gizmo for working with Render ID’s called Multi Color ID for Nuke.

Here is a quick demo of how to use Multi Color ID gizmo for Nuke

The Gizmo combines a V-Ray RenderID and Coverage Pass and creates an antialiased matte in Nuke. Thomas notes that he has been using the Multi Color ID in production and it has help up well, performing quite fast.

Check out the Multi Color ID Gizmo for Nuke over on Thomas’ site here.