PndEmcXtal.h

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//-----------------------------------------------------------------------
// File and Version Information:
//      $Id: $
//
// Description:
//      PndEmcXtal Class - 
//
//       Software developed for the BaBar Detector at the SLAC B-Factory.
// Adapted for the PANDA experiment at GSI              
//              
// Author List:
//      Gautier Hamel de Monchenault - CEN Saclay & Lawrence Berkeley Lab
//      Stephen J. Gowdy              University of Edinburgh
// Dima Melnichuk - adaption for PANDA                  
//
// Copyright Information:
//      Copyright (C) 1996              Lawrence Berkeley Laboratory
//      Copyright (C) 1996             CEA - Centre d'Etude de Saclay
//------------------------------------------------------------------------
//#pragma once
#ifndef PNDEMCXTAL_H
#define PNDEMCXTAL_H

//#include <vector>
#include "TVector3.h"
#include "TGeoArb8.h"
#include "TGeoMatrix.h"

class PndEmcTwoCoordIndex;


class PndEmcXtal:public TObject
{

public:

  // Constructors
  PndEmcXtal();
  PndEmcXtal( const PndEmcTwoCoordIndex *id, const TGeoTrap &trap, const TVector3 &pos, const TGeoRotation &rot);
    
  // Destructor
  virtual ~PndEmcXtal();

  // Operators
  virtual bool operator==( const PndEmcXtal& compare ) const;
  virtual bool operator<( const PndEmcXtal & compare) const;
  // Accessors (const)
  const PndEmcTwoCoordIndex* myIndex() const;
  const TVector3& centre() const;
  const TVector3& frontCentre() const;
  const TVector3& normalToFrontFace() const ;
  const TVector3& axisVector() const;
  const TGeoTrap& geometry() const;
  const TGeoRotation& rotation() const;

  double npAngle() const;

private:

  const PndEmcTwoCoordIndex* fTCIIndex;
  double fLength; // length of the crystal 
  const TGeoTrap fTrap;
  const TGeoRotation fRotation;
  TVector3 fCentre;
  TVector3 fFrontCentre;
  TVector3 fNormalToFrontFace;
  TVector3 fAxis;

  PndEmcXtal(const  PndEmcXtal& L);
  PndEmcXtal& operator= (const  PndEmcXtal&) {return *this;}
  
  ClassDef(PndEmcXtal,1)
};

#endif // PNDEMCXTAL_HH