LauBkgndDPModel.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_BKGND_DP_MODEL
#define LAU_BKGND_DP_MODEL

#include <vector>
#include "LauAbsBkgndDPModel.hh"

class TH2;
class Lau2DAbsDPPdf;
class LauDaughters;
class LauFitDataTree;
class LauVetoes;


class LauBkgndDPModel : public LauAbsBkgndDPModel {

        public:

                LauBkgndDPModel(LauDaughters* daughters, LauVetoes* vetoes);
        
                virtual ~LauBkgndDPModel();


                void setBkgndHisto(const TH2* histo, Bool_t useInterpolation, 
                                Bool_t fluctuateBins, Bool_t useUpperHalfOnly,
                                Bool_t squareDP = kFALSE);


                void setBkgndSpline(const TH2* histo, Bool_t fluctuateBins,
                                Bool_t useUpperHalfOnly, Bool_t squareDP);

                virtual void initialise();
        

                virtual Bool_t generate();
                

                virtual Double_t getUnNormValue(UInt_t iEvt);
                

                virtual Double_t getPdfNorm() const {return pdfNorm_;}
                

                virtual Double_t getLikelihood(UInt_t iEvt);
                

                virtual void fillDataTree(const LauFitDataTree& fitDataTree);
                
        protected:

                Double_t calcHistValue(Double_t xVal, Double_t yVal);


                virtual void setDataEventNo(UInt_t iEvt);

        private:
                Bool_t symmetricalDP_;

                Bool_t squareDP_;

                Lau2DAbsDPPdf* bgHistDPPdf_;

                std::vector<Double_t> bgData_;

                Double_t curEvtHistVal_; 

                Double_t maxPdfHeight_;

                Double_t pdfNorm_;

                Bool_t doneGenWarning_;

                mutable Bool_t lowBinWarningIssued_;

                ClassDef(LauBkgndDPModel,0) // DP background model
};

#endif