STEER/AliNeutralTrackParam.h

   1 #ifndef ALINEUTRALTRACKPARAM_H
   2 #define ALINEUTRALTRACKPARAM_H
   3 /* Copyright(c) 1998-2009, ALICE Experiment at CERN, All rights reserved. *
   4  * See cxx source for full Copyright notice                               */
   5
   6 /*****************************************************************************
   7  *              "Neutral" track parametrisation class                        *
   8  * At the moment we use a standard AliExternalTrackParam with 0 curvature.   *
   9  *                                                                           *
  10  *        Origin: A.Dainese, I.Belikov                                       *
  11  *****************************************************************************/
  12
  13 #include "AliExternalTrackParam.h"
  14
  15 class AliNeutralTrackParam: public AliExternalTrackParam {
  16  public:
  17   AliNeutralTrackParam();
  18   AliNeutralTrackParam(const AliNeutralTrackParam &);
  19   AliNeutralTrackParam& operator=(const AliNeutralTrackParam & trkPar);
  20   AliNeutralTrackParam(Double_t x, Double_t alpha,
  21                         const Double_t param[5], const Double_t covar[15]);
  22   AliNeutralTrackParam(const AliVTrack *vTrack);
  23   AliNeutralTrackParam(Double_t xyz[3],Double_t pxpypz[3],
  24                         Double_t cv[21],Short_t sign);
  25   virtual ~AliNeutralTrackParam(){}
  26
  27   virtual Short_t  Charge() const { return 0; }
  28   virtual Double_t GetC(Double_t /*b*/) const { return 0.; }
  29
  30  private:
  31
  32   ClassDef(AliNeutralTrackParam, 1) // track with zero charge
  33 };
  34
  35 #endif