FastSimulation/CaloGeometryTools/interface/CrystalWindowMap.h - master - githubmirror/cmssw

FastSimulation/CaloGeometryTools/interface/CrystalWindowMap.h

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16 май 2019, 15:48

16 май 2019, 15:4812a0cf0

#ifndef FastSimulation_CaloGeometryTools_CrystalWindowMap_h
#define FastSimulation_CaloGeometryTools_CrystalWindowMap_h

/** 
 *  This class is used by EcalHitMaker to determine quickly in which Pad each
 *  spots falls. 
 *  Each crystal is labelled by its number. Given a crystal number, several methods
 *  allow to get the ordered (by distance) list of the neighbouring crystals
 *  
 * \author Florian Beaudette
 * \date: 08-Jun-2004
 * \date: 05-Oct-2006
 */

// FAMOS headers
#include "FastSimulation/CaloGeometryTools/interface/Crystal.h"

//C++ headers
#include <vector>

class CaloGeometryHelper;

class CrystalWindowMap {
public:
  /// Constructor from vector of Crystal
  CrystalWindowMap(const CaloGeometryHelper*, const std::vector<Crystal>& cw);
  ~CrystalWindowMap() { ; };

  /// get the ordered list of the crystals around the crystal given as a first argument
  bool getCrystalWindow(unsigned, std::vector<unsigned>&) const;
  /// same thing but with a different interface
  bool getCrystalWindow(unsigned iq, const std::vector<unsigned>* cw) const;
  /// same thing but with a different interface
  const std::vector<unsigned>& getCrystalWindow(unsigned, bool& status) const;
  inline unsigned size() const { return size_; }

private:
  const CaloGeometryHelper* myCalorimeter_;

  unsigned size_;
  const std::vector<Crystal>& originalVector_;

  std::vector<std::vector<unsigned> > myNeighbours_;
};

#endif