local area vertscale works on mpterrainengine but rex
hi ，my oe source code version is 2.8 .
i want a terrain effect that local area of terrain has
verticalscale but not globe terrain.so i made the lon&lat&height
into terrain vertex attribute called oe_terrain_attr2.
then in my app user to select local terrain area.and app get the local
area vertscale effect by my shader .it works under mpterrainengine
but rexterrainengine.of course .i also have made terrain vertex attribute under rex like mp dose .can you help me. what is the prob?