Displacement not work on VertexPaint

Corona Corona for 3ds Max Help Required
1

Hi all, please check my test scene (attached)
I have a problem with displacement on VertexPaint areas. I painted on the plane white area

I want to have material on black area and another material (with displacement) on white area
I make coronaLayered material

Material with displacement for white area
I’m starting render and I have no any displacement on white area

Why displacement not work on white areas?
test.rar (9.55 MB)

2

Displacement only works if map if plugged into base material. You can swap your materials and invert vertex colour map, then displacement will work.

3

Thanks…