public void setTotalSize(int totalSize) {
        this.totalSize = totalSize;
    }
Sets the total size of the terrain . Note that this does <b>NOT </b>
rebuild the terrain at all. This is mostly used for outside constructors
of terrain patches.

@param totalSize
           The new total size.
jme3-terrain/src/main/java/com/jme3/terrain/geomipmap/TerrainPatch.java