MTT0PatternRecognition.h

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/*
  Copyright (C) 2002-2017 CERN for the benefit of the ATLAS collaboration
*/
 
//   MTT0PattternRecognition.h
//   Header file for class VariableBinwidthHistogram
// (c) ATLAS Detector software
//
 
#ifndef MTT0PATTTERNRECOGNITION_H
#define MTT0PATTTERNRECOGNITION_H
 
// c - c++
//#include "iostream"
class TH1F;
 
// root
#include "TH1.h"
 
// this
#include "T0MTSettings.h"
#include "VariableBinwidthHistogram.h"
 
namespace MuonCalib {

    class MTT0PatternRecognition {
    public:
        //-------------------------constructors-----------------------------------------
        inline MTT0PatternRecognition() :
            m_settings(NULL),
            m_draw_debug_graph(false),
            m_background(0.),
            m_height(0.),
            m_fit_min(0.),
            m_fit_max(0.),
            m_t0_est(0.),
            m_error(false) {}
 
        //-------------------------public member functions------------------------------
        inline bool Initialize(TH1F *hist, const T0MTSettings *settings) {
            m_settings = settings->T0Settings();
            m_draw_debug_graph = settings->DrawDebugGraphs();
            m_error = !m_vbh.Initialize(hist, m_settings->VBHBinContent(), m_settings->MaxBinWidth());
            double scale_min = 0.;
            if (!m_error) scale_min = estimate_height(hist);
            if (!m_error) estimate_background(hist, scale_min);
            return !m_error;
        }

        inline double GetBackground() const { return m_background; }

        inline double GetHeight() const { return m_height; }

        inline double GetEstimatedT0() const { return m_t0_est; }

        inline double GetFitRangeMin() const { return m_fit_min; }

        inline double GetFitRangeMax() const { return m_fit_max; }

        inline bool GetError() const { return m_error; }
 
    private:
        //------------------------private data members----------------------------------
        const T0MTSettingsT0 *m_settings;
        bool m_draw_debug_graph;

        double m_background;

        double m_height;

        double m_fit_min, m_fit_max;

        double m_t0_est;

        VariableBinwidthHistogram m_vbh;

        bool m_error;
 
        //-----------------------private member functions-------------------------------

        bool estimate_background(TH1F *hist, double scale_min);

        double estimate_height(TH1F *hist);
    };
 
}  // namespace MuonCalib
#endif