LauBkgndDPModel.hh

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/*
Copyright 2004 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_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:
                LauBkgndDPModel(const LauBkgndDPModel& rhs);

                LauBkgndDPModel& operator=(const LauBkgndDPModel& rhs);

                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