doubleMap.paste( targetMap );
doubleMap.paste( sourceMap, 0, 0, DoubleMap.PasteMode.MULTIPLY );
draw( doubleMap.toNewImage(), "Multiplying source map with target map" );
doubleMap.paste( targetMap );
doubleMap.paste( sourceMap, 0, 0, DoubleMap.PasteMode.MAXIMUM );
draw( doubleMap.toNewImage(), "Maximum of source map and target map" );
doubleMap.paste( targetMap );
doubleMap.paste( sourceMap, 0, 0, DoubleMap.PasteMode.MINIMUM );
draw( doubleMap.toNewImage(), "Minimum of source map and target map" );