public void loadHintText() {
        BitmapText hintText = new BitmapText(guiFont);
        hintText.setLocalTranslation(0, getCamera().getHeight(), 0);
        hintText.setText("Press T to toggle wireframe");
        guiNode.attachChild(hintText);
    }
Demonstrates the NeighbourFinder interface for TerrainQuads,
allowing you to tile terrains together without having to use
TerrainGrid. It also introduces the MultiTerrainLodControl that
will seam the edges of all the terrains supplied.

@author sploreg
jme3-examples/src/main/java/jme3test/terrain/TerrainTestTile.java