This page provides information on the Multi ID Node in V-Ray for Blender.
Overview
This node allows you to assign different materials on a single mesh based on face IDs.
UI Path
||Node Editor|| > Add > Material > Multi ID
Node
Wrap ID – When enabled, the material IDs will be wrapped to the largest specified ID.
Add button – Adds or removes a slot for a sub-material to be used.
Int Material ID Gen – An integer texture that generates material IDs. If this and Float Material ID Gen are not present, then the surface material ID will be used instead.
Float Material ID Gen – A float texture that generates material IDs. If this and Int Material ID Gen are not present, then the surface material ID will be used instead.
