How to export ETTerrain to .mesh file

Iam exporting ETTerrain to .mesh file after editing.

I didn't get meshpointer from terrainmanager.

>I tried by ETTiling vertex data but that mesh pointer giving error as.

Mesh bounds are not completely set.

how to get meshpointer from ETTerrain

You can't - ET doesn't use meshes. You'd have to build one manually from the heightmap data.