Finaly I have some time to study on Splineland, since purchase I only installed the plugin.
For now I find it a good solution to create landscapes in Max.
I encounter a problem with the matID's,
-creating a surface with splines, the correct ID is given, also base ID is changeable.
-Platform also creates correct ID's
-After a insert, like a rectangle to split the outer meshes the ID's get mixed up.
I have installed version 1.0.7.
Reg, Frans