@Override
    public float getScaledHeightAtPoint(int x, int z) {
        return ((heightData[x + (z * size)]) * heightScale);
    }
<code>getScaledHeightAtPoint</code> returns the scaled value at the
point provided.

@param x
           the x (east/west) coordinate.
@param z
           the z (north/south) coordinate.
@return the scaled value at (x, z).
jme3-terrain/src/main/java/com/jme3/terrain/heightmap/AbstractHeightMap.java