/cvmfs/atlas.cern.ch/repo/sw/ASG/AnalysisBase/2.4.31/MuonMomentumCorrections/MuonMomentumCorrections/Regions.h

#ifndef REGIONS_H
#define REGIONS_H

#include <vector>
#include <map>
#include <string>

class Regions{
    bool m_loadNames;
    /* number of regions */
    int m_nb_regions;
    /* eta boundaries of the regions */
    std::vector<float> m_eta_min;
    std::vector<float> m_eta_max;
    /* phi boundaries of the regions */
    std::vector<float> m_phi_min;
    std::vector<float> m_phi_max;
    std::vector<std::string> m_names;
    //In same cases I need to collect the simple regions in macroRegions according to specific criteria
    bool m_doMacroRegions, m_useAbsEta;
    void collectMacroRegionsSL();//Small and large regions are collected together
    void collectMacroRegionsSL_UpDn();//Small,Large,Up,Down regions are collected together
    void collectMacroRegionsSL_SplitBAR();//Large,Small sectors split plus Feet(12+14) and 11+15 sector split in Barrel
    void useSectors();
    //This maps the standard regions indexes into the indexes of the macroRegions.
    std::map<int, int> m_macroRegionIdxMap; 
    // The macro regions themselves are stored in a vector with their name
    std::vector<std::string> m_macroRegionName;
    std::vector<double> m_macroRegionInnerEta, m_macroRegionDeltaEta;//I need these vars in few occasions
public:
    static
#if __cplusplus < 201100
       const
#else
       constexpr
#endif // C++11
          double EtaTanLimit = 2.0;
    void PrintRegions() const;
    unsigned int GetNRegions() const;
    bool verb;
    Regions(std::string inRegionFile, int doMacroRegionsFlag = 0);    
    int GetRegion(double eta, const double phi) const;
    float GetRegionDeltaEta(const int r_i) const; //Return Eta span of region
    float GetRegionInnerEta(const int r_i) const; //Return Eta closer to the origin
    std::string GetRegionName(const int r_i) const;
    std::string GetRegionName(const double eta, const double phi) const;  
};

#endif

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