PndCAMCTrack.h

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//****************************************************************************
//*                   This file is part of PandaRoot.                        *
//*                                                                          *
//*            PandaRoot is distributed under the terms of the               *
//*              GNU General Public License (GPL) version 3,                 *
//*                 copied verbatim in the file "LICENSE".                   *
//*                                                                          *
//*  Copyright (C) 2006 - 2024 FAIR GmbH and copyright holders of PandaRoot  *
//*     The copyright holders are listed in the file "COPYRIGHTHOLDERS".     *
//*               The authors are listed in the file "AUTHORS".              *
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//-*- Mode: C++ -*-
// ************************************************************************
// This file is property of and copyright by the ALICE HLT Project        *
// ALICE Experiment at CERN, All rights reserved.                         *
// See cxx source for full Copyright notice                               *
//                                                                        *
//*************************************************************************

#ifndef PNDCAMCTRACK_H
#define PNDCAMCTRACK_H

#include "PndCADef.h"
#include "TMath.h"

#include <iostream>
using std::istream;
using std::ostream;

class TParticle;

class PndCAMCTrack {
 public:
  PndCAMCTrack();
  PndCAMCTrack(const TParticle *part);

  // void SetTPCPar( float X, float Y, float Z, float Px, float Py, float Pz );

  int MotherId() const { return fMotherId; }
  int PDG() const { return fPDG; }
  float Par(int i) const { return fPar[i]; }
  float TPCPar(int i) const { return fTPCPar[i]; }

  float X() const { return fPar[0]; }
  float Y() const { return fPar[1]; }
  float Z() const { return fPar[2]; }
  float Px() const { return fPar[3] / fPar[6]; }
  float Py() const { return fPar[4] / fPar[6]; }
  float Pz() const { return fPar[5] / fPar[6]; }
  float P() const { return fP; }
  float Pt() const { return fPt; }
  const float *Par() const { return fPar; }
  const float *TPCPar() const { return fTPCPar; }

  float DzDs() const { return Pz() / TMath::Sqrt(Px() * Px() + Py() * Py()); }

  int NHits() const { return fNHits; }
  int NMCPoints() const { return fNMCPoints; }
  int FirstMCPointID() const { return fFirstMCPointID; }
  int NReconstructed() const { return fNReconstructed; }
  int Set() const { return fSet; }
  int NTurns() const { return fNTurns; }

  int NMCRows() const { return fNMCRows; }
  int NHitRows() const { return fNHitRows; }
  int NMCContRows() const { return fNMCContRows; }
  int NHitContRows() const { return fNHitContRows; }

  void SetMotherId(int v) { fMotherId = v; }
  void SetP(float v) { fP = v; }
  void SetPt(float v) { fPt = v; }
  void SetPDG(int v) { fPDG = v; }
  void SetPar(int i, float v) { fPar[i] = v; }
  void SetTPCPar(int i, float v) { fTPCPar[i] = v; }
  void SetNHits(int v) { fNHits = v; }
  void SetNMCPoints(int v) { fNMCPoints = v; }
  void SetFirstMCPointID(int v) { fFirstMCPointID = v; }
  void SetNReconstructed(int v) { fNReconstructed = v; }
  void SetSet(int v) { fSet = v; }
  void SetNTurns(int v) { fNTurns = v; }

  void SetNMCRows(int v) { fNMCRows = v; }
  void SetNHitRows(int v) { fNHitRows = v; }
  void SetNMCContRows(int v) { fNMCContRows = v; }
  void SetNHitContRows(int v) { fNHitContRows = v; }

  friend ostream &operator<<(ostream &out, const PndCAMCTrack &a);
  friend istream &operator>>(istream &in, PndCAMCTrack &a);

 protected:
  int fMotherId;       //* index of mother track in tracks array. -1 for primary tracks. -2 if a mother track is not in the acceptance
  int fPDG;            //* particle pdg code
  float fPar[7];       //* x,y,z,ex,ey,ez,q/p
  float fTPCPar[7];    //* x,y,z,ex,ey,ez,q/p at TPC entrance (x=y=0 means no information)
  float fP, fPt;       //* momentum and transverse momentum
  int fNHits;          //* N TPC clusters
  int fNMCPoints;      //* N MC points
  int fFirstMCPointID; //* id of the first MC point in the points array
  int fNReconstructed; //* how many times is reconstructed
  int fSet;            //* set of tracks 0-OutSet, 1-ExtraSet, 2-RefSet, 3-ExtraSecSet, 4-ExtraPrimSet, 5-RefSecSet, 6-RefPrimSet, 7-LongRefPrimSet
  int fNTurns;         //* N of turns in the current sector

  int fNMCRows; // N rows with MC Points. Calculated after reading all MC info.
  int fNHitRows;
  int fNMCContRows; // N rows with MC Points. Calculated after reading all MC info.
  int fNHitContRows;
};

#endif