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Cell.h

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// Cell class
//
#ifndef ATLFAST_CELL_H
#define ATLFAST_CELL_H

  
#ifndef GAUDIKERNEL_CONTAINEDOBJECT_H
#include "GaudiKernel/ContainedObject.h"
#define GAUDIKERNEL_CONTAINEDOBJECT_H
#endif

#ifndef GAUDIKERNEL_OBJECTFACTORY_H
#include "GaudiKernel/ObjectFactory.h"
#define GAUDIKERNEL_OBJECTFACTORY_H
#endif

#ifndef CLHEP_LORENTZVECTOR_H
#include "CLHEP/Vector/LorentzVector.h"
#define CLHEP_LORENTZVECTOR_H
#endif


#ifndef ATLFAST_IKINEMATIC_H
#include "AtlfastEvent/IKinematic.h"
#endif

#ifndef ATLFAST_CELLDESCRIPTOR_H
#include "AtlfastEvent/CellDescriptor.h"
#endif

#ifndef ATLFAST_ASSOCIATIONMANAGER_H
#include "AtlfastEvent/AssociationManager.h"
#endif
//#ifndef STOREGATE_DATAVECTOR_H
//#include "StoreGate/DataVector.h"
//#define STOREGATE_DATAVECTOR_H
//#endif
// Class ID for Cell class
static const CLID CLID_ATLFAST_CELL=2301 ;

namespace HepMC{
  class GenParticle;
}
namespace Atlfast {
  using HepMC::GenParticle;
  class EPileupDeposit;
  class Cell : 
    public ContainedObject, 
    public IKinematic, 
    public AssociationManager {
    public:
    Cell();
    Cell(const CellDescriptor& cellID);
    Cell(const Cell&) ; 
    Cell& operator=(const Cell&); 
    virtual ~Cell() { } 
    static const  CLID& classID()    { return CLID_ATLFAST_CELL; }
    virtual const CLID& clID() const { return CLID_ATLFAST_CELL; }
    void newHit(const GenParticle* part);
    void newHit(const EPileupDeposit*);
    void setPt(HepLorentzVector&);

    void reset();
    virtual HepLorentzVector momentum() const;
    virtual double eta() const {return m_id.eta();}
    virtual double phi() const {return m_id.phi();} 
    virtual double pT()  const {return m_ptSum;}
    virtual double eT() const {return m_ptSum;} 
    virtual double mT() const {return 0;} // HTP FIXME!!!!
    
    int numberOfHits() const {return m_particles.size();}
    
    std::vector<const GenParticle*> particles() const;
    
    private:
    
    CellDescriptor m_id;
    double         m_ptSum;
    HepLorentzVector m_momentum; 
    std::vector<const GenParticle*> m_particles;
    //DataVector<const GenParticle> m_particles;
  };
}  //end of namespace bracket
#endif

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