public void attachBoundChildren(Node parent) {
        for (int i = 0; i < this.getQuantity(); i++) {
            if (this.getChild(i) instanceof TerrainQuad) {
                ((TerrainQuad) getChild(i)).attachBoundChildren(parent);
            } else if (this.getChild(i) instanceof TerrainPatch) {
                BoundingVolume bv = getChild(i).getWorldBound();
                if (bv instanceof BoundingBox) {
                    attachBoundingBox((BoundingBox)bv, parent);
                }
            }
        }
        BoundingVolume bv = getWorldBound();
        if (bv instanceof BoundingBox) {
            attachBoundingBox((BoundingBox)bv, parent);
        }
    }
A handy method that will attach all bounding boxes of this terrain
to the node you supply.
Useful to visualize the bounding boxes when debugging.

@param parent that will get the bounding box shapes of the terrain attached to
jme3-terrain/src/main/java/com/jme3/terrain/geomipmap/TerrainQuad.java