AtTpc.h

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/********************************************************************************
 *    Copyright (C) 2014 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH    *
 *                                                                              *
 *              This software is distributed under the terms of the             *
 *         GNU Lesser General Public Licence version 3 (LGPL) version 3,        *
 *                  copied verbatim in the file "LICENSE"                       *
 ********************************************************************************/
#ifndef AtTPC_H
#define AtTPC_H
 
#include <FairDetector.h>
 
#include <Rtypes.h>
#include <TLorentzVector.h>
#include <TString.h>
#include <TVector3.h>
 
#include <string>
#include <utility>
 
class AtMCPoint;
class FairVolume;
class TClonesArray;
class TBuffer;
class TClass;
class TList;
class TMemberInspector;
 
class AtTpc : public FairDetector {
private:
   TLorentzVector fPos; 
   TLorentzVector fMom; 
 
   Int_t fTrackID;                 
   Int_t fVolumeID;                
   Int_t fDetCopyID{};             
   Int_t fsector{};                
   TLorentzVector fPosIn, fPosOut; 
   TLorentzVector fMomIn, fMomOut; 
   Double32_t fTime_in{};          
   Double32_t fTime_out{};         
   Double32_t fTime;               
   Double32_t fLength_in{};        
   Double32_t fLength_out{};       
   Double32_t fLength;             
   Double32_t fELoss;              
   Int_t fPosIndex;                
   TClonesArray *fTraCollection{}; 
   Bool_t kGeoSaved{};             
   TList *flGeoPar{};              
   TString fVolName;
   Double32_t fELossAcc;
   TLorentzVector InPos;
 
   TClonesArray *fAtTpcPointCollection; 
 
public:
   AtTpc(const char *Name, Bool_t Active);
   AtTpc();
   virtual ~AtTpc();
 
   virtual void Initialize() override;
   virtual Bool_t ProcessHits(FairVolume *v = 0) override;
   virtual void Register() override;
   virtual TClonesArray *GetCollection(Int_t iColl) const override;
   virtual void Reset() override;
   virtual void Print(Option_t *option = "") const override;
   virtual void EndOfEvent() override;
 
   virtual void ConstructGeometry() override;
   virtual Bool_t CheckIfSensitive(std::string name) override;
 
   AtMCPoint *
   AddHit(Int_t trackID, Int_t detID, TVector3 pos, TVector3 mom, Double_t time, Double_t length, Double_t eLoss);
 
   AtMCPoint *AddHit(Int_t trackID, Int_t detID, TString VolName, Int_t detCopyID, TVector3 pos, TVector3 mom,
                     Double_t time, Double_t length, Double_t eLoss, Double_t EIni, Double_t AIni, Int_t A, Int_t Z);
 
private:
   std::pair<Int_t, Int_t> DecodePdG(Int_t PdG_Code);
 
   void trackEnteringVolume();
   void getTrackParametersFromMC();
   void getTrackParametersWhileExiting();
   void correctPosOut();
   void resetVertex();
   void addHit();
   bool reactionOccursHere();
   void startReactionEvent();
 
   AtTpc(const AtTpc &);
   AtTpc &operator=(const AtTpc &);
 
   ClassDefOverride(AtTpc, 2)
};
 
#endif // NEWDETECTOR_H