}
*/
public Band boxesByDepth(Argument a, TreeMap<Integer, Vector<Band>> map, Position topLeft, ColourScheme colourScheme) {
Band band = super.boxesByDepth(a, map, topLeft, colourScheme);
ColourScheme localCS = getLocalColourScheme(colourScheme);
Argument local = getArgument();
if (local==null) {
local = a;
}
Position childTopLeft = getPosition(topLeft);