MainWindow 0 0 800 600 MainWindow Qt::Horizontal 300 0 0 0 0 0 800 22 toolBar TopToolBarArea false ressources/add.pngressources/add.png Add Add a new point ressources/del.pngressources/del.png Delete Delete points ressources/edit.pngressources/edit.png Edit Edit stage-area relation ressources/sort_1-9.pngressources/sort_1-9.png Sort Sort points by elevations