DQMHistAnalysisRootFitExample.h

/**************************************************************************
 * basf2 (Belle II Analysis Software Framework)                           *
 * Author: The Belle II Collaboration                                     *
 *                                                                        *
 * See git log for contributors and copyright holders.                    *
 * This file is licensed under LGPL-3.0, see LICENSE.md.                  *
 **************************************************************************/
//+
// File : DQMHistAnalysisRooFitExample.h
// Description : An example module for DQM histogram analysis
//-
 
#pragma once
 
#ifdef _BELLE2_EPICS
// EPICS
#include "cadef.h"
#endif
 
#include <dqm/core/DQMHistAnalysis.h>
 
#include <TCanvas.h>
#include <RooWorkspace.h>
#include <RooDataHist.h>
#include <RooPlot.h>
#include <RooFitResult.h>
#include <RooAbsPdf.h>
 
namespace Belle2 {
  class DQMHistAnalysisRooFitExampleModule final : public DQMHistAnalysisModule {
 
    // Public functions
  public:
 
    DQMHistAnalysisRooFitExampleModule();
 
    ~DQMHistAnalysisRooFitExampleModule();
 
    void initialize(void) override final;
 
    void beginRun(void) override final;
 
    void event(void) override final;
 
    void endRun(void) override final;
 
    void terminate(void) override final;
 
  private:
 
    // Data member
    RooWorkspace* w = nullptr;
    RooRealVar* x = nullptr;
    RooDataHist* data = nullptr;
    RooPlot* plot = nullptr;
    RooFitResult* r = nullptr;
    RooAbsPdf* model = nullptr;
 
 
    TCanvas* m_c0 = nullptr;
 
#ifdef _BELLE2_EPICS
    chid  mychid;
#endif
  };
} // end namespace Belle2