draw2d.shape.basic.Circle({diameter:30});
    circle.installEditPolicy(new draw2d.policy.figure.RoundRectangleSelectionFeedbackPolicy());
    canvas.add(circle,90,300);

    circle =new draw2d.shape.basic.Circle({diameter:30});
    circle.installEditPolicy(new draw2d.policy.figure.SlimSelectionFeedbackPolicy());
    canvas.add(circle,90,350);


    // annotations / documentation
    var msg = new draw2d.shape.note.PostIt({text:"Install different kind of selection feedback policies.\nSelect the circles to se