- Not yet exacte but running

        - now using the Longitudinal/Transverse terminology

        - avoid systematic error du to ADC floor behaviour

        - follow the logic of G4 native tracking
        - event is created forward not backward of vertex

        - now takes into account cases of first and last step correctly
        - default value for reaction condition set to -1000

        - Defined the inner barrel

        - all reaction happenned in the first slice