GridPhiEta.h

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//==========================================================================
//  AIDA Detector description implementation 
//--------------------------------------------------------------------------
// Copyright (C) Organisation europeenne pour la Recherche nucleaire (CERN)
// All rights reserved.
//
// For the licensing terms see $DD4hepINSTALL/LICENSE.
// For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
//
//==========================================================================
 
#ifndef DDSEGMENTATION_GRIDPHIETA_H
#define DDSEGMENTATION_GRIDPHIETA_H
 
#include <DDSegmentation/Segmentation.h>
 
#include <cmath>
 
namespace dd4hep {
  namespace DDSegmentation {
 
    class GridPhiEta : public Segmentation {
    public:
      GridPhiEta(const std::string& aCellEncoding);
      GridPhiEta(const BitFieldCoder* decoder);
 
      virtual ~GridPhiEta() = default;
 
      virtual Vector3D position(const CellID& aCellID) const;
      virtual CellID cellID(const Vector3D& aLocalPosition, const Vector3D& aGlobalPosition, const VolumeID& aVolumeID) const;
      double eta(const CellID& aCellID) const;
      double phi(const CellID& aCellID) const;
      inline double gridSizeEta() const {
        return m_gridSizeEta;
      }
      inline double gridSizePhi() const {
        return 2 * M_PI / static_cast<double>(m_phiBins);
      }
      inline int phiBins() const {
        return m_phiBins;
      }
      inline double offsetEta() const {
        return m_offsetEta;
      }
      inline double offsetPhi() const {
        return m_offsetPhi;
      }
      inline const std::string& fieldNameEta() const {
        return m_etaID;
      }
      inline const std::string& fieldNamePhi() const {
        return m_phiID;
      }
      void setGridSizeEta(double aCellSize) {
        m_gridSizeEta = aCellSize;
      }
      inline void setPhiBins(int bins) {
        m_phiBins = bins;
      }
      inline void setOffsetEta(double offset) {
        m_offsetEta = offset;
      }
      inline void setOffsetPhi(double offset) {
        m_offsetPhi = offset;
      }
      inline void setFieldNameEta(const std::string& fieldName) {
        m_etaID = fieldName;
      }
      inline void setFieldNamePhi(const std::string& fieldName) {
        m_phiID = fieldName;
      }
 
    protected:
 
      double m_gridSizeEta;
      int m_phiBins;
      double m_offsetEta;
      double m_offsetPhi;
      std::string m_etaID;
      std::string m_phiID;
    };
  }
}
#endif // DDSEGMENTATION_GRIDPHIETA_H