JLabel Vd_m = new JLabel("mètres");
        Vd_m.setBounds(765,140,120,35);
        contenuTotal.add(Vd_m);

        JLabel Vd_c = new JLabel("cases");
        Vd_c.setBounds(850,140,120,35);
        contenuTotal.add(Vd_c);

        JTextField vd_m = new JTextField();
        vd_m.setBounds(735,130,75,35);
        contenuTotal.add(vd_m);

        JTextField vd_c = new JTextField();
        vd_c.setBounds(815,130,75,35);
        contenuTotal.add(vd_c);