Imported OBJ with Texture Doesn't Render in Vray


I have a textured obj file from RealityCapture. It shows up fine in Rhino render view but when rendering in Vray it is white. How can I have the mesh rendered with embedded color/texture?

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The colors show in Rhino because they are vertex colors. You’ll have to use a material in V-Ray that can show mesh vertex colors.

I get it now. Thank you.
So a UVW texture for a generic material seems to do the trick. Vertex Color Setup
Can you elaborate on how setting uv channel to 0 revels the colors? Do you think the colored mesh can be constructed with grasshopper plug-in like voxels?