TGlobalBaseObjects.hxx

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#ifndef SubBaseObject_hh_seen
#define SubBaseObject_hh_seen

#include "TBits.h"
#include "TObjString.h"
#include "TObject.h"

#include "TLorentzVector.h"
#include "TVector3.h"

#include "TTrueVertex.hxx"

/// This is a base class used by the TGlobalReconModule. Had to be defined
/// separately to avoid errors when using TFile::MakeProject to generate
/// class libraries from output files.
///[ed]: This is only because of the needless obsession with constituent
/// class defintions...

namespace ND {

/// Describes a true G4 particle associated to a TGlobalPID
class TTrueParticle : public TObject {
 public:
  virtual ~TTrueParticle(){}

  int ID;   ///< G4 Trajectory Id.


  double Pur;  ///< The purity for matching the rec particle with the true particle.


  double Eff;  ///< The efficiency for matching the rec particle with the true particle.


  ND::TTrueVertex Vertex;  ///< True vertex associated to this TrueParticle.


  ClassDef(TTrueParticle, 1);
};

///\brief Provides data members common to reconstructed objects from all
/// sub detectors.
class TSubBaseObject : public TObject {
 public:
  virtual ~TSubBaseObject(){}

  UInt_t UniqueID;  ///< Unique identifier for sub-detector recon objects.


  unsigned long Status;   ///< The status for the fit.


  int Detector;   ///< Integer specifying which subdetector(s) the object belongs to. See TGlobalReconModule::GetDetectorNumber for the options.

  int NHits;   ///< The number of constituent hits.

  int NNodes;   ///< The number of reconstruction nodes.

  int NDOF;   ///< The number of degrees of freedom in the fit.

  double Chi2;   ///< The chi2 of the fit.

  double EDeposit;   ///< Deposited energy, N.B. the meaning of this is subdetector-local.

  int NConstituents;   ///< The number of constituents.


  double Length;   ///< The length of the track or shower (RMS)


  TLorentzVector FrontPosition;   ///< The global coordinate position at the 'front' of the object.


  TLorentzVector BackPosition;   ///< The global coordinate position at the 'back' of the object.


  TLorentzVector FrontPositionVar;   ///< The uncertainty on ND::TSubBaseObject::FrontPosition.


  TLorentzVector BackPositionVar;   ///< The uncertainty on ND::TSubBaseObject::BackPosition.


  TVector3 FrontDirection;   ///< The direction at the 'front' of the object.


  TVector3 BackDirection;   ///< The direction at the 'back' of the object.


  TVector3 FrontDirectionVar;   ///< The uncertainty on ND::TSubBaseObject::FrontDirection.


  TVector3 BackDirectionVar;   ///< The uncertainty on ND::TSubBaseObject::BackDirection.


  double FrontMomentum;   ///< The momentum measurement at the 'front' of the object.


  double BackMomentum;   ///< The momentum measurement at the 'back' of the object.


  double FrontMomentumError;   ///< The uncertainty on ND::TSubBaseObject::FrontMomentum.


  double BackMomentumError;   ///< The uncertainty on ND::TSubBaseObject::BackMomentum.


  TTrueParticle TrueParticle;   ///< The associated true particle.


  ClassDef(TSubBaseObject, 1);
};

///\brief Provides data members common to reconstructed showers from all
/// sub detectors
class TSubBaseShowerObject : public TSubBaseObject {
 public:
  virtual ~TSubBaseShowerObject(){}

  TVector3 Cone;   ///< The opening angles of the reconstructed shower cone.


  ClassDef(TSubBaseShowerObject, 1);
};

}  // nd280 namespace

#endif