MDTHitAnalysis.cxx

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/*
  Copyright (C) 2002-2022 CERN for the benefit of the ATLAS collaboration
*/
 
#include "MDTHitAnalysis.h"
 
// Section of includes for MDT of the Muon Spectrometer tests
#include "GeoAdaptors/GeoMuonHits.h"
 
#include "MuonSimEvent/MDTSimHitCollection.h"
#include "MuonSimEvent/MDTSimHit.h"
#include "CLHEP/Vector/LorentzVector.h"
 
#include "TH1.h"
#include "TTree.h"
#include "TString.h"
 
#include <algorithm>
#include <math.h>
#include <functional>
#include <iostream>
#include <stdio.h>
 
MDTHitAnalysis::MDTHitAnalysis(const std::string& name, ISvcLocator* pSvcLocator)
   : AthAlgorithm(name, pSvcLocator)
   , m_h_hits_x(0)
   , m_h_hits_y(0)
   , m_h_hits_z(0)
   , m_h_hits_r(0)
   , m_h_xy(0)
   , m_h_zr(0)
   , m_h_hits_eta(0)
   , m_h_hits_phi(0)
   , m_h_hits_lx(0)
   , m_h_hits_ly(0)
   , m_h_hits_lz(0)
   , m_h_hits_driftR(0)
   , m_h_hits_time(0)
   , m_h_hits_edep(0)
   , m_h_hits_kine(0)
   , m_h_hits_step(0)
   , m_hits_x(0)
   , m_hits_y(0)
   , m_hits_z(0)
   , m_hits_r(0)
   , m_hits_eta(0)
   , m_hits_phi(0)
   , m_hits_lx(0)
   , m_hits_ly(0)
   , m_hits_lz(0)
   , m_hits_driftR(0)
   , m_hits_time(0)
   , m_hits_edep(0)
   , m_hits_kine(0)
   , m_hits_step(0)
     
   , m_tree(0)
   , m_ntupleFileName("/MDTHitAnalysis/")
   , m_path("/MDTHitAnalysis/")
   , m_thistSvc("THistSvc", name)
{
  declareProperty("NtupleFileName", m_ntupleFileName); 
  declareProperty("HistPath", m_path); 
}
 
 
StatusCode MDTHitAnalysis::initialize() {
  ATH_MSG_DEBUG( "Initializing MDTHitAnalysis" );
 
  // Grab the Ntuple and histogramming service for the tree
  CHECK(m_thistSvc.retrieve());
 
  m_h_hits_x = new TH1D("h_hits_mdt_x","hits_x", 100,-25000, 25000);
  m_h_hits_x->StatOverflows();
  CHECK(m_thistSvc->regHist(m_path + m_h_hits_x->GetName(), m_h_hits_x));
 
  m_h_hits_y = new TH1D("h_hits_mdt_y", "hits_y", 100,-25000,25000);
  m_h_hits_y->StatOverflows();
  CHECK(m_thistSvc->regHist(m_path + m_h_hits_y->GetName(), m_h_hits_y));
 
  m_h_hits_z = new TH1D("h_hits_mdt_z", "hits_z", 100,-45000,45000);
  m_h_hits_z->StatOverflows();
  CHECK(m_thistSvc->regHist(m_path + m_h_hits_z->GetName(), m_h_hits_z));
 
  m_h_hits_r = new TH1D("h_hits_mdt_r", "hits_r", 100,4000,26000);
  m_h_hits_r->StatOverflows();
  CHECK(m_thistSvc->regHist(m_path + m_h_hits_r->GetName(), m_h_hits_r));
 
  m_h_xy = new TH2D("h_mdt_xy", "xy", 100,-25000.,25000.,100, -25000., 25000.);
  m_h_xy->StatOverflows();
  CHECK(m_thistSvc->regHist( m_path+m_h_xy->GetName(), m_h_xy));
 
  m_h_zr = new TH2D("h_mdt_zr", "zr", 100,-45000.,45000.,100, 4000., 26000.);
  m_h_zr->StatOverflows();
  CHECK(m_thistSvc->regHist( m_path+m_h_zr->GetName(), m_h_zr));
 
  m_h_hits_eta = new TH1D("h_hits_mdt_eta", "hits_eta", 100,-3.0,3.0);
  m_h_hits_eta->StatOverflows();
  CHECK(m_thistSvc->regHist(m_path + m_h_hits_eta->GetName(), m_h_hits_eta));
 
  m_h_hits_phi = new TH1D("h_hits_mdt_phi", "hits_phi", 100,-3.2,3.2);
  m_h_hits_phi->StatOverflows();
  CHECK(m_thistSvc->regHist(m_path + m_h_hits_phi->GetName(), m_h_hits_phi));
 
  m_h_hits_lx = new TH1D("h_hits_mdt_lx","hits_lx", 100,-20, 20);
  m_h_hits_lx->StatOverflows();
  CHECK(m_thistSvc->regHist(m_path + m_h_hits_lx->GetName(), m_h_hits_lx));
 
  m_h_hits_ly = new TH1D("h_hits_mdt_ly", "hits_ly", 100,-20,20);
  m_h_hits_ly->StatOverflows();
  CHECK(m_thistSvc->regHist(m_path + m_h_hits_ly->GetName(), m_h_hits_ly));
 
  m_h_hits_lz = new TH1D("h_hits_mdt_lz", "hits_lz", 100,-2000,2000);
  m_h_hits_lz->StatOverflows();
  CHECK(m_thistSvc->regHist(m_path + m_h_hits_lz->GetName(), m_h_hits_lz));
 
  m_h_hits_driftR = new TH1D("h_hits_mdt_driftR", "hits_driftR", 100,0,15);
  m_h_hits_driftR->StatOverflows();
  CHECK(m_thistSvc->regHist(m_path + m_h_hits_driftR->GetName(), m_h_hits_driftR));
 
  m_h_hits_time = new TH1D("h_hits_mdt_time","hits_time", 100,0, 150);
  m_h_hits_time->StatOverflows();
  CHECK(m_thistSvc->regHist(m_path + m_h_hits_time->GetName(), m_h_hits_time));
 
  m_h_hits_edep = new TH1D("h_hits_mdt_edep", "hits_edep", 100,0,0.2);
  m_h_hits_edep->StatOverflows();
  CHECK(m_thistSvc->regHist(m_path + m_h_hits_edep->GetName(), m_h_hits_edep));
 
  m_h_hits_kine = new TH1D("h_hits_mdt_kine", "hits_kine", 100,0,20000);
  m_h_hits_kine->StatOverflows();
  CHECK(m_thistSvc->regHist(m_path + m_h_hits_kine->GetName(), m_h_hits_kine));
 
  m_h_hits_step = new TH1D("h_hits_mdt_step", "hits_step", 100,0,100);
  m_h_hits_step->StatOverflows();
  CHECK(m_thistSvc->regHist(m_path + m_h_hits_step->GetName(), m_h_hits_step));
 
  m_tree = new TTree("MDT","MDT");
  std::string fullNtupleName =  "/" + m_ntupleFileName + "/";
  CHECK(m_thistSvc->regTree(fullNtupleName,m_tree));
  
  if (m_tree){
    m_tree->Branch("x", &m_hits_x);
    m_tree->Branch("y", &m_hits_y);
    m_tree->Branch("z", &m_hits_z);
    m_tree->Branch("r", &m_hits_r);
    m_tree->Branch("eta", &m_hits_eta);
    m_tree->Branch("phi", &m_hits_phi);
    m_tree->Branch("lx", &m_hits_lx);
    m_tree->Branch("ly", &m_hits_ly);
    m_tree->Branch("lz", &m_hits_lz);
    m_tree->Branch("driftR", &m_hits_driftR);
    m_tree->Branch("time", &m_hits_time);
    m_tree->Branch("edep", &m_hits_edep);
    m_tree->Branch("kine", &m_hits_kine);
    m_tree->Branch("step", &m_hits_step);
  }
  else {
    ATH_MSG_ERROR("No tree found!");
  }
  
  return StatusCode::SUCCESS;
}
 
 
StatusCode MDTHitAnalysis::execute() {
  ATH_MSG_DEBUG( "In MDTHitAnalysis::execute()" );
 
  m_hits_x->clear();
  m_hits_y->clear();
  m_hits_z->clear();
  m_hits_r->clear();
  m_hits_eta->clear();
  m_hits_phi->clear();
  m_hits_lx->clear();
  m_hits_ly->clear();
  m_hits_lz->clear();
  m_hits_driftR->clear();
  m_hits_time->clear();
  m_hits_edep->clear();
  m_hits_kine->clear();
  m_hits_step->clear();
  
  const MDTSimHitCollection* mdt_container;
  if (evtStore()->retrieve(mdt_container, "MDT_Hits") == StatusCode::SUCCESS) {
    for (MDTSimHitCollection::const_iterator i_hit = mdt_container->begin(); i_hit != mdt_container->end(); ++i_hit) {
      //MDTSimHitCollection::const_iterator i_hit;
      //for(auto i_hit : *mdt_container){
      GeoMDTHit ghit(*i_hit);
      if (!ghit) continue;
 
      Amg::Vector3D p = ghit.getGlobalPosition();
      m_h_hits_x->Fill(p.x());
      m_h_hits_y->Fill(p.y());
      m_h_hits_z->Fill(p.z());
      m_h_hits_r->Fill(p.perp());
      m_h_xy->Fill(p.x(), p.y());
      m_h_zr->Fill(p.z(),p.perp());
      m_h_hits_eta->Fill(p.eta());
      m_h_hits_phi->Fill(p.phi());
      m_h_hits_driftR->Fill((*i_hit).driftRadius());
      m_h_hits_lx->Fill( (*i_hit).localPosition().x());
      m_h_hits_ly->Fill( (*i_hit).localPosition().y());
      m_h_hits_lz->Fill( (*i_hit).localPosition().z());
      m_h_hits_edep->Fill((*i_hit).energyDeposit());
      m_h_hits_time->Fill((*i_hit).globalTime());
      m_h_hits_step->Fill((*i_hit).stepLength());
      m_h_hits_kine->Fill((*i_hit).kineticEnergy());
      
      m_hits_x->push_back(p.x());
      m_hits_y->push_back(p.y());
      m_hits_z->push_back(p.z());
      m_hits_r->push_back(p.perp());
      m_hits_eta->push_back(p.eta());
      m_hits_phi->push_back(p.phi());
      m_hits_driftR->push_back((*i_hit).driftRadius());
      m_hits_lx->push_back((*i_hit).localPosition().x());
      m_hits_ly->push_back((*i_hit).localPosition().y());
      m_hits_lz->push_back((*i_hit).localPosition().z());
      m_hits_edep->push_back((*i_hit).energyDeposit());
      m_hits_time->push_back((*i_hit).globalTime());
      m_hits_step->push_back((*i_hit).stepLength());
      m_hits_kine->push_back((*i_hit).kineticEnergy());
    }
  } // End while hits
  
  if (m_tree) m_tree->Fill();
 
  return StatusCode::SUCCESS;
}