PixelRDORetriever.cxx

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
#include "PixelRDORetriever.h"
 
#include "InDetIdentifier/PixelID.h"
#include "InDetReadoutGeometry/SiDetectorElement.h"
 
 
#include "JiveXML/IFormatTool.h"
 
namespace JiveXML {

  PixelRDORetriever::PixelRDORetriever(const std::string& type,const std::string& name,const IInterface* parent):
    AthAlgTool(type,name,parent)
  {
    //Declare the interface
    declareInterface<IDataRetriever>(this);
 
    //And properties
    declareProperty("PixelRDOContainer"  , m_PixelRDOContainerName = "PixelRDOs");
  }

  StatusCode PixelRDORetriever::retrieve(ToolHandle<IFormatTool> &FormatTool) {
  
    //be verbose
    ATH_MSG_DEBUG( "Retrieving " << dataTypeName() ); 
 
    SG::ReadCondHandle<InDetDD::SiDetectorElementCollection> pixelDetEleHandle(m_pixelDetEleCollKey);
    const InDetDD::SiDetectorElementCollection* elements(*pixelDetEleHandle);
    if (not pixelDetEleHandle.isValid() or elements==nullptr) {
      ATH_MSG_FATAL(m_pixelDetEleCollKey.fullKey() << " is not available.");
      return StatusCode::FAILURE;
    }
 
    //retrieve the PixelRDO container
    SG::ReadHandle<PixelRDO_Container> rdoContainer(m_PixelRDOContainerName);
    if (!rdoContainer.isValid()) {
      ATH_MSG_DEBUG( "Unable to retrieve PixelRDO_Container with name " << m_PixelRDOContainerName.key() );
      return StatusCode::RECOVERABLE;
    }
 
    //Define the data vectors we want to fill
    DataVect idVec,xVec,yVec,zVec,phiModuleVec,etaModuleVec;
 
    //Loop over pixel RDO container
    for (const auto rdoCollection : *rdoContainer) {
      
      //Loop over raw data objects
      for (const auto rdoData : *rdoCollection) {
 
        //Get the pixel identifier
        const Identifier id = rdoData->identify();
        const Identifier waferID = m_pixelID->wafer_id(id);
        IdentifierHash wafer_hash = m_pixelID->wafer_hash(waferID);
 
        //Get the detector element
        const InDetDD::SiDetectorElement *element = elements->getDetectorElement(wafer_hash);
 
        //Make sure we got the detector element
        if (element == nullptr){
          ATH_MSG_WARNING( "Unable to obtain detector element for PixelRDO hit with id " << id );
          continue;
        }
 
        //Get the global position from the local position
        Amg::Vector2D localPos = element->rawLocalPositionOfCell(id);
        localPos[Trk::distPhi] += m_lorentzAngleTool->getLorentzShift(element->identifyHash(), Gaudi::Hive::currentContext());
          Amg::Vector3D globalPos = element->globalPosition(localPos);
 
        //Fill in all the data in our data vectors
          idVec.push_back(DataType( id.get_compact() ));
        xVec.push_back(DataType(globalPos.x()*CLHEP::mm/CLHEP::cm));
        yVec.push_back(DataType(globalPos.y()*CLHEP::mm/CLHEP::cm));
        zVec.push_back(DataType(globalPos.z()*CLHEP::mm/CLHEP::cm));
        phiModuleVec.push_back(DataType(m_pixelID->phi_module(waferID)));
        etaModuleVec.push_back(DataType(m_pixelID->eta_module(waferID)));
      }
    }
 
    //be verbose about the amount of data we retrieved
    ATH_MSG_DEBUG( "Retrieved " << idVec.size() << " PixelRDO objects" );
 
    //Create a data map
    DataMap dataMap;
    //Add the data vectors to our map
    dataMap["id"]=std::move(idVec);
    dataMap["x"]=std::move(xVec);
    dataMap["y"]=std::move(yVec);
    dataMap["z"]=std::move(zVec);
    dataMap["phiModule"]=std::move(phiModuleVec);
    dataMap["etaModule"]=std::move(etaModuleVec);

    //Forward data to formatting tool
    if ( FormatTool->AddToEvent(dataTypeName(), "PixelRDOs", &dataMap).isFailure())
      return StatusCode::RECOVERABLE;
 
    //Clean up and exit
    ATH_MSG_DEBUG( dataTypeName() << " retrieved" );
    
    return StatusCode::SUCCESS;
  }
 
 
  StatusCode PixelRDORetriever::initialize() {
    ATH_CHECK( m_lorentzAngleTool.retrieve() );
    ATH_CHECK(m_pixelDetEleCollKey.initialize());
    ATH_CHECK(m_PixelRDOContainerName.initialize());
    ATH_CHECK(detStore()->retrieve(m_pixelID, "PixelID"));
 
    return StatusCode::SUCCESS;
  }
}