Lau2DAbsHistDP.hh

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/*
Copyright 2013 University of Warwick

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

/*
Laura++ package authors:
John Back
Paul Harrison
Thomas Latham
*/

#ifndef LAU_2DABSHIST_DP
#define LAU_2DABSHIST_DP

#include "Lau2DAbsDP.hh"

class TH2;
class LauDaughters;
class LauKinematics;

class Lau2DAbsHistDP : public Lau2DAbsDP {

        public:

                Lau2DAbsHistDP(const LauDaughters* daughters, Bool_t useUpperHalfOnly = kFALSE, Bool_t squareDP = kFALSE);

                //Lau2DAbsHistDP( const Lau2DAbsHistDP& rhs );

                virtual ~Lau2DAbsHistDP();


                virtual Double_t interpolateXY(Double_t x, Double_t y) const=0;

                /*
                    \return kTRUE if the square DP is being used, kFALSE otherwise
                */
                virtual Bool_t usingSquareDP() const { return squareDP_; };

        protected:

                void doBinFluctuation(TH2* hist);


                void doBinFluctuation(TH2* hist, const TH2* errorHi, const TH2* errorLo);


                void raiseOrLowerBins(TH2* hist, const Double_t avEff, const Double_t avEffError);


                Double_t computeAverageContents(const TH2* hist) const;


                Bool_t withinDPBoundaries(Double_t x, Double_t y) const;


                void getUpperHalf(Double_t& x, Double_t& y) const;

        private:
                Lau2DAbsHistDP( const Lau2DAbsHistDP& rhs );

                Lau2DAbsHistDP& operator=(const Lau2DAbsHistDP& rhs);

                const LauKinematics* kinematics_;
                
                Bool_t upperHalf_;

                Bool_t squareDP_;

                ClassDef(Lau2DAbsHistDP,0) // Abstract base class for 2D DP variations based on a histogram
};

#endif