SCT_CalibHitmapTool.cxx

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/*
  Copyright (C) 2002-2021 CERN for the benefit of the ATLAS collaboration
*/
 
#include "SCT_CalibHitmapTool.h"
#include "SCT_CalibUtilities.h"
#include "SCT_CalibNumbers.h"
 
// RAW data access
#include "InDetRawData/InDetRawDataCLASS_DEF.h"
#include "InDetRawData/SCT3_RawData.h"
#include "StoreGate/ReadHandle.h"
 
#include "Identifier/Identifier.h"
#include "Identifier/IdentifierHash.h"
 
#include "GaudiKernel/ITHistSvc.h"
 
#include "TH1I.h"
#include "TH1F.h"
#include "TFile.h"
#include "TFileCollection.h"
#include "THashList.h"
 
using namespace SCT_CalibAlgs;
static const std::string pathRoot{"/HitMaps/"};
static const std::string detectorNames[] {"negativeEndcap", "barrel", "positiveEndcap"};
static const std::string detectorPaths[] {"SCTEC/", "SCTB/","SCTEA/"};
 
SCT_CalibHitmapTool::SCT_CalibHitmapTool(const std::string& type, const std::string& name, const IInterface* parent):
   base_class(type, name, parent)
{
}
 
StatusCode
SCT_CalibHitmapTool::initialize() {
   if ( service( "THistSvc", m_thistSvc ).isFailure() ) ATH_MSG_ERROR("Unable to retrieve pointer to THistSvc");
 
   ATH_CHECK(detStore()->retrieve(m_pSCTHelper, "SCT_ID"));
   //
   m_waferItrBegin = m_pSCTHelper->wafer_begin();
   m_waferItrEnd = m_pSCTHelper->wafer_end();
   //
 
   // Read Handle Key
   ATH_CHECK(m_rdoContainerKey.initialize());
 
   return StatusCode::SUCCESS;
}
 
StatusCode
SCT_CalibHitmapTool::finalize() {
   ATH_MSG_VERBOSE("SCT_CalibHitmapTool::finalize()");
 
   return StatusCode::SUCCESS;
}
 
bool
SCT_CalibHitmapTool::book() {
   bool result{true};
   //pointers to the histos are deleted by m_thistSvc methods
   m_phistoVector.clear();
   std::string histoName{pathRoot + "GENERAL/"};
   //histogram for numbers of events
   m_numberOfEventsHisto = new TH1I{"events", "Events", 1, 0.5, 1.5};
   if (m_thistSvc->regHist(histoName.c_str(), m_numberOfEventsHisto).isFailure()) {
      ATH_MSG_ERROR("Error in booking EventNumber histogram");
   }
   //histograms for each wafer
   SCT_ID::const_id_iterator waferItr{m_waferItrBegin};
   std::string hitmapPaths[3];
   for (int i{0}; i<3; ++i) {
      hitmapPaths[i]=pathRoot+detectorPaths[i];
   }
   for (; waferItr not_eq m_waferItrEnd; ++waferItr) {
      const Identifier& waferId{*waferItr};
      const int bec{m_pSCTHelper->barrel_ec(waferId)};
      const std::string formattedPosition{formatPosition(waferId, m_pSCTHelper)};
      std::string histotitle{std::string{"SCT "} + detectorNames[bec2Index(bec)] + std::string{" Hitmap: plane "} + formattedPosition};
      std::string name{hitmapPaths[bec2Index(m_pSCTHelper->barrel_ec(waferId))] + formattedPosition};
      TH1F* hitmapHisto_tmp{new TH1F{TString{formattedPosition}, TString{histotitle}, nbins, firstStrip-0.5, lastStrip+0.5}};
 
      if (m_thistSvc->regHist( name.c_str(), hitmapHisto_tmp ).isFailure()) {
         ATH_MSG_ERROR("Error in booking Hitmap histogram");
      } else {
         m_phistoVector.push_back(hitmapHisto_tmp);
      }
 
   }
   return result;
}
 
bool
SCT_CalibHitmapTool::read(const std::string& fileName) {
   bool result{true};
   //pointers to the histos are deleted by m_thistSvc methods
   m_phistoVector.clear();
   TFile* fileHitmap{TFile::Open(fileName.c_str())};
   ATH_MSG_INFO("opening Hitmap file : " << fileName.c_str());
 
   if (fileHitmap==nullptr) {
      ATH_MSG_ERROR("can not open Hitmap file : " << fileName.c_str());
      return result;
   }
   //histogram for numbers of events
   m_numberOfEventsHisto = static_cast<TH1I*>(fileHitmap->Get("GENERAL/events"));
   if (m_numberOfEventsHisto==nullptr) {
      ATH_MSG_ERROR("Error in reading EventNumber histogram");
   }
   //histograms for each wafer
   SCT_ID::const_id_iterator waferItr{m_waferItrBegin};
   for (; waferItr not_eq m_waferItrEnd; ++waferItr) {
      const Identifier& waferId{*waferItr};
      const std::string formattedPosition{formatPosition(waferId, m_pSCTHelper)};
      std::string name{detectorPaths[bec2Index(m_pSCTHelper->barrel_ec(waferId))] + formattedPosition};
      TH1F* hitmapHisto_tmp{static_cast<TH1F*>(fileHitmap->Get(name.c_str()))};
      if (hitmapHisto_tmp==nullptr) {
         ATH_MSG_ERROR("Error in reading Hitmap histogram");
      } else {
         m_phistoVector.push_back(hitmapHisto_tmp);
      }
   }
   return result;
}
 
bool
SCT_CalibHitmapTool::fill(const bool fromData) {
   //cout<<"fromData "<<fromData<<endl;
   if (fromData) {
      return fillFromData();
   }
   bool result{true};
   //--- Number of events
   m_numberOfEventsHisto->Fill(1);
 
   //--- Fill hitmap
   const int MaxEntry{static_cast<int>(m_sct_waferHash.size())};
   for (int i{0}; i != MaxEntry; ++i) {
      const int theFirstStrip{m_sct_firstStrip[i]};
      const int endStrip{m_sct_rdoGroupSize[i] + theFirstStrip};
      const int index{m_sct_waferHash[i]};
      TH1F* pThisHisto{m_phistoVector[index]};
      for (int strip{theFirstStrip}; strip!=endStrip; ++strip) {
         pThisHisto->Fill(strip);
      }
   }
   return result;
}
 
bool
SCT_CalibHitmapTool::fillFromData() {
   bool result{true};
   m_numberOfEventsHisto->Fill(1);
   SG::ReadHandle<SCT_RDO_Container> prdoContainer{m_rdoContainerKey};
   if (not prdoContainer.isValid()) ATH_MSG_ERROR("Failed to retrieve the SCT RDO container");
   SCT_RDO_Container::const_iterator itr{prdoContainer->begin()};
   const SCT_RDO_Container::const_iterator end{prdoContainer->end()};
   for (; itr !=end; ++itr) {
      const InDetRawDataCollection<SCT_RDORawData>* SCT_Collection{*itr};
      if (not SCT_Collection) continue;
      const Identifier waferId{SCT_Collection->identify()};
      const IdentifierHash waferHash{m_pSCTHelper->wafer_hash(waferId)};
      TH1F* pThisHisto{m_phistoVector[static_cast<int>(waferHash)]};
      DataVector<SCT_RDORawData>::const_iterator rdoItr{SCT_Collection->begin()};
      const DataVector<SCT_RDORawData>::const_iterator rdoEnd{SCT_Collection->end()};
      for (; rdoItr != rdoEnd; ++rdoItr) {
         int strip{m_pSCTHelper->strip((*rdoItr)->identify())};
         const int endStrip{(*rdoItr)->getGroupSize() + strip};
         for (; strip != endStrip; ++strip) {
            pThisHisto->Fill(strip);
         }
      }
   }
   return result;
}