* selection interactor will be attached to many figures.
*/
public void createInteraction() {
// Create a selection drag-selector on the pane
SelectionDragger selectionDragger = new SelectionDragger(graphicsPane);
SelectionModel model = new BasicSelectionModel();
SelectionInteractor s;
DragInteractor d;
// For each figure, create a selection interactor with
// a drag interactor attached to it. Set a different