/data/refman/pasoursint/CMSSW_6_1_2_SLHC4_patch1/src/RecoParticleFlow/PFClusterTools/interface/SpaceManager.h

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#ifndef SPACEMANAGER_HH_
#define SPACEMANAGER_HH_
#include "RecoParticleFlow/PFClusterTools/interface/SpaceVoxel.h"
#include "RecoParticleFlow/PFClusterTools/interface/Calibrator.h"
#include "RecoParticleFlow/PFClusterTools/interface/DetectorElement.h"
#include "RecoParticleFlow/PFClusterTools/interface/Region.h"
#include <map>
#include <vector>
#include <boost/shared_ptr.hpp>
#include <iostream>
#include <TGraph.h>
#include <TF1.h>
#include <TF2.h>
#include <string>
namespace pftools {
class SpaceManager {
public:
        SpaceManager(std::string name);

        virtual ~SpaceManager();
        
        std::string getName() {
                return name_;
        }

        
        /*
         * Initialises the internal map of calibrators and space voxels according to the
         * type of calibrator supplied and the specified eta, phi and energy segmentation.
         */
        void createCalibrators(const Calibrator& toClone, const double etaSeg,
                        const double phiSeg, const double energySeg);

        /*
         * As above but only for the specified ranges. 
         * (Compare with ROOT TH3F histogram constructor!)
         */
        void createCalibrators(const Calibrator& toClone, const unsigned nEta,
                        const double etaMin, const double etaMax, const unsigned nPhi,
                        const double phiMin, const double phiMax, const unsigned nEnergy,
                        const double energyMin, const double energyMax) throw(PFToolsException&);
        
        void createCalibrators(const Calibrator& toClone);

        std::map<SpaceVoxelPtr, CalibratorPtr>* getCalibrators() {
                std::map<SpaceVoxelPtr, CalibratorPtr>* ptr = &myAddressBook;
                return ptr;
        }

        /* 
         * Adds a calibrator for the specified volume element.
         * Returns a pointer to it once it's been created, and returns a pointer to
         * any exisitng calibrator should that SpaceVoxel already exist.
         */
        CalibratorPtr createCalibrator(const Calibrator& toClone, SpaceVoxelPtr s);

        /*
         * Returns a pointer to the calibrator you need for the specified space point.
         * Returns 0 if it's not found.
         */
        CalibratorPtr findCalibrator(const double eta, const double phi,
                        const double energy = 0) const;
        
        void assignCalibration(CalibratorPtr c, std::map<DetectorElementPtr, double> result);
        
        std::map<DetectorElementPtr, double> getCalibration(CalibratorPtr c);
        
        std::ostream& printCalibrations(std::ostream& stream);
        
        TH1* extractEvolution(DetectorElementPtr det, Region region, TF1& f1, bool useTruth = true);

        void addEvolution(DetectorElementPtr det, Region region, TF1 f) {
                if(region == BARREL_POS)
                        barrelPosEvolutions_[det] = f;
                if(region == ENDCAP_POS)
                        endcapPosEvolutions_[det] = f;
        }
        
        double interpolateCoefficient(DetectorElementPtr det, double energy, double eta, double  phi);
        
        double evolveCoefficient(DetectorElementPtr det, double energy, double eta, double  phi);
        
        int getNCalibrations() {
                return calibrationCoeffs_.size();
        }
        void clear();
        
        void makeInverseAddressBook();
        
        void setBarrelLimit(double limit) {
                barrelLimit_ = limit;
        }

private:
        
        std::string name_;
        
        double barrelLimit_;
        double transitionLimit_;
        double endcapLimit_;
        
        std::map<SpaceVoxelPtr, CalibratorPtr> myAddressBook;
        std::map<CalibratorPtr, SpaceVoxelPtr> inverseAddressBook_;
        std::map<CalibratorPtr, std::map<DetectorElementPtr, double> > calibrationCoeffs_;
        std::vector<SpaceVoxelPtr> myKnownSpaceVoxels;
        
        std::vector<SpaceVoxelPtr> barrelPosRegion_;
        std::vector<SpaceVoxelPtr> transitionPosRegion_;
        std::vector<SpaceVoxelPtr> endcapPosRegion_;
        
        std::map<DetectorElementPtr, TF1> barrelPosEvolutions_;
        std::map<DetectorElementPtr, TF1> endcapPosEvolutions_;
        
        std::map<Region, std::vector<SpaceVoxelPtr> > regionsToSVs_;
        
        
};

typedef boost::shared_ptr<SpaceManager> SpaceManagerPtr;

}
#endif /*SPACEMANAGER_HH_*/