Int_t AliTPCDisplayDigits(Int_t eventn, int sec, int row, int lab=-1,
int max_t_chan=500, float min_t=0., float max_t=500.,
int max_p_chan=150, float min_p=0., float max_p=150.)
Int_t AliTPCDisplayDigits(Int_t eventn, int sec, int row, int lab=-1,
int max_t_chan=500, float min_t=0., float max_t=500.,
int max_p_chan=150, float min_p=0., float max_p=150.)