DQMHistAnalysisExampleFlags.cc

/**************************************************************************
 * 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 : DQMHistAnalysisExampleFlags.cc
// Description : Example code, creates a new "flag" histo in DQM analysis
//-
 
 
#include <dqm/analysis/modules/DQMHistAnalysisExampleFlags.h>
#include <TROOT.h>
#include <TStyle.h>
 
using namespace std;
using namespace Belle2;
 
//-----------------------------------------------------------------
//                 Register the Module
//-----------------------------------------------------------------
REG_MODULE(DQMHistAnalysisExampleFlags);
 
//-----------------------------------------------------------------
//                 Implementation
//-----------------------------------------------------------------
 
DQMHistAnalysisExampleFlagsModule::DQMHistAnalysisExampleFlagsModule()
  : DQMHistAnalysisModule()
{
  //Parameter definition
  B2DEBUG(20, "DQMHistAnalysisExampleFlags: Constructor done.");
  setDescription("Example DQMHistAnalysisModules with how canvas flag settings.");
}
 
 
void DQMHistAnalysisExampleFlagsModule::initialize()
{
  B2DEBUG(20, "DQMHistAnalysisExampleFlags: initialized.");
 
  gROOT->cd(); // this seems to be important, or strange things happen
  m_cFlagtest = new TCanvas("c_Flagtest");
  m_hFlagtest = new TH2F("Flagtest", "Flagtest;xxx;yyy", 12, 0, 12, 4, 0, 4);
}
 
 
void DQMHistAnalysisExampleFlagsModule::beginRun()
{
  B2DEBUG(20, "DQMHistAnalysisExampleFlags: beginRun called.");
 
  m_cFlagtest->Clear();
  m_hFlagtest->Reset();
}
 
void DQMHistAnalysisExampleFlagsModule::event()
{
  m_hFlagtest->Reset(); // dont sum up!!!
  static int nr = 0;
  m_hFlagtest->Fill(nr + 0., 0., -2.);
  m_hFlagtest->Fill(nr + 1., 1., -1.);
  m_hFlagtest->Fill(nr + 2., 2., +1.);
  m_hFlagtest->Fill(nr + 3., 3., +2.);
  nr = (nr + 1) % 4;
 
  // search for hist is missing in this example look at Fitter code
 
  // doesn't change
  const Int_t colNum = 5;
  Int_t palette[colNum] {13 /* (dark) grey*/, 0 /* White*/, 3 /* Green */, 5 /* Yellow */, 2 /* Red */};
 
  // Guess I have to set this for every update
  gStyle->SetPalette(5, palette);
 
  // Nice try, but jsroot is not using the palette stored in canvas
  // FIXED in jsroot 5.3.0 ... but this is not in externals yet
  // needs root 6.12 ... until then no color palette is saved
  if (m_cFlagtest) {
    m_cFlagtest->cd();
    m_cFlagtest->Clear();
    if (m_hFlagtest) {
      m_hFlagtest->Draw("colz"); // ,PFC,PLC,PMC
 
    }
    m_cFlagtest->Modified();
    m_cFlagtest->Update();
  }
}
 
void DQMHistAnalysisExampleFlagsModule::endRun()
{
  B2DEBUG(20, "DQMHistAnalysisExampleFlags : endRun called");
}
 
 
void DQMHistAnalysisExampleFlagsModule::terminate()
{
  B2DEBUG(20, "DQMHistAnalysisExampleFlags: terminate called");
 
  // should delete canvas here, maybe hist, too? Who owns it?
}