Lau2DHistDP.hh

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// Copyright University of Warwick 2004 - 2013.
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

// Authors:
// Thomas Latham
// John Back
// Paul Harrison

#ifndef LAU_2DHIST_DP
#define LAU_2DHIST_DP

#include "Rtypes.h"

class TH2;
class LauDaughters;
class LauKinematics;

class Lau2DHistDP {

        public:

                Lau2DHistDP(const TH2* hist, const LauDaughters* daughters,
                                Bool_t useInterpolation = kTRUE, Bool_t fluctuateBins = kFALSE,
                                Double_t avEff = -1.0, Double_t avEffError = -1.0, Bool_t useUpperHalfOnly = kFALSE, Bool_t squareDP = kFALSE);

                Lau2DHistDP( const Lau2DHistDP& rhs );

                virtual ~Lau2DHistDP();


                Double_t interpolateXY(Double_t x, Double_t y) const;

        protected:

                Double_t getBinHistValue(Int_t xBinNo, Int_t yBinNo) const;

                void doBinFluctuation();


                void raiseOrLowerBins(Double_t avEff, Double_t avEffError);


                Double_t computeAverageContents() const;

        private:
                TH2* hist_;
        
                const LauKinematics* kinematics_;
                
                Double_t minX_;
                Double_t maxX_;
                Double_t minY_;
                Double_t maxY_;
                Double_t rangeX_;
                Double_t rangeY_;
                
                Double_t binXWidth_;
                Double_t binYWidth_; 
                
                Int_t nBinsX_;
                Int_t nBinsY_;
                
                Bool_t useInterpolation_;
                Bool_t upperHalf_;
                Bool_t squareDP_;

                ClassDef(Lau2DHistDP,0) // 2D Histogram utility class for DP analyses
};

#endif