//-----------------------------------------------------------
// File and Version Information:
// $Id$
//
// Description:
//      Lead shield for curler absorption for combined 
//      TPC+FOPI MC
//      Active material allows extraction of points to pass 
//      track parameters to FOPI SIM
//
//
// Environment:
//      Software developed for the FOPI GEM-TPC detector
//
// Author List:
//      Felix Boehmer        TUM            (original author)
//
//
//-----------------------------------------------------------

#ifndef TPCSHIELD_HH
#define TPCSHIELD_HH

// Base Class Headers ----------------
#include "FairDetector.h"

// Collaborating Class Headers -------
#include "TVector3.h"

// Collaborating Class Declarations --
class TClonesArray;
class FairVolume;
class TpcShieldPoint;

class TpcShield : public FairDetector{
public:	
  // Constructors/Destructors ---------
  /**      Name :  Detector Name
	   Active: kTRUE for active detectors  
	   (ProcessHits() will be called)
	   kFALSE for inactive detectors     */
  TpcShield(const char * Name, Bool_t Active);
  
  // Modifiers -----------------------
     
    
  /**      default constructor    */
  TpcShield();
  /**       destructor     */
  virtual ~TpcShield();
  
  /**      Initialization of the detector is done here    */
  //virtual void   Initialize();
  
  /**       this method is called for each step 
	    during simulation (see FairMCApplication::Stepping())    */
  virtual Bool_t ProcessHits(FairVolume* v = NULL);
  
  /**       Registers the produced collections in CBMRootManager.     */
  virtual void  Register();
  
  /** Gets the produced collections */
  virtual TClonesArray* GetCollection(Int_t iColl) const ;
  
  /**      has to be called after each event 
	   to reset the containers        */
  virtual void Reset();

  /**      replaces G3 initialisation via g3Config.C */
  virtual void SetSpecialPhysicsCuts();


  
  /**      Create the detector geometry        */
  void ConstructGeometry();

  bool CheckIfSensitive(std::string name);
  
  void EndOfEvent();
  void BeginEvent();
  
  TpcShieldPoint* AddHit(Int_t trackID, Int_t SecID, Int_t detID, TVector3 pos,
		   TVector3 mom, Double_t time, Double_t length,
		   Double_t eLoss);
  // Operators
  
  
  // Accessors -----------------------
  
  
  // Modifiers -----------------------
  
  
  // Operations ----------------------
 
  
private:

   
  // Private Data Members ------------
  TClonesArray  *fTpcShieldPointCollection;
 
  
public:
  
  ClassDef(TpcShield,1)
    
};

#endif

//--------------------------------------------------------------
// $Log$
//--------------------------------------------------------------