vray displace problem

hi all,

how can I use vraydisplacment on single mat id on mesh wich have multiple mat id on?
thx.

You can do it this way:

Assign a multi/sub material to the mesh, and for the material that correponds to the desired material id, set a displacement map.

Apply a VRayDisplacementMod modifier on the mesh, use 3d displacement and tick the “Use object mtl” and “Keep continuity” options.

Best regards,
Vlado

i will check this, thanks vlado