LArAlignDbAlg.cxx

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
#include "LArAlignDbAlg.h"
#include "DetDescrConditions/DetCondKeyTrans.h"
 
#include <fstream>
 
#define LAR_ALIGN "/LAR/Align"
 
using HepGeom::Translate3D;
using HepGeom::Rotate3D;
using CLHEP::Hep3Vector;

 
LArAlignDbAlg::LArAlignDbAlg(const std::string& name, ISvcLocator* pSvcLocator) :
  AthAlgorithm(name, pSvcLocator),
  m_regSvc("IOVRegistrationSvc",name),
  m_streamer("AthenaOutputStreamTool")
{
}
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 
LArAlignDbAlg::~LArAlignDbAlg()
{ 
}
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 
StatusCode LArAlignDbAlg::initialize()
{
  ATH_MSG_DEBUG(" in initialize()"  );
 
  // Get Output Stream tool for writing
  if(m_writeCondObjs) {
    ATH_CHECK( m_streamer.retrieve() );
  }
    
  // Get the IOVRegistrationSvc when needed
  if(m_regIOV) {
    ATH_CHECK( m_regSvc.retrieve() );
    ATH_MSG_DEBUG( "Found IOVRegistrationSvc "   );
  }
 
  return StatusCode::SUCCESS;
}
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 
 
StatusCode LArAlignDbAlg::execute(const EventContext& ctx)
{
  ATH_MSG_DEBUG(" in execute() "  );
 
  int nrun = ctx.eventID().run_number();
  int nevt = ctx.eventID().event_number();
 
  ATH_MSG_DEBUG( " Event: [" << nrun << "," << nevt << "]"  );
 
  // If I need to write out the conditions object I'll do that on the first event
  if (m_writeCondObjs && nevt==1) {
    ATH_MSG_DEBUG( "Creating conditions objects for run " << nrun  );
      
    ATH_CHECK( createCondObjects() );
    ATH_CHECK( printCondObjects() );
  } else {
    //  Read objects from DetectorStore
    ATH_CHECK( printCondObjects() );
  }
    
  return StatusCode::SUCCESS;
}
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 
 
StatusCode LArAlignDbAlg::finalize()
{
  ATH_MSG_DEBUG( " in finalize() "  );
  if(m_writeCondObjs) {
    ATH_CHECK( streamOutCondObjects() );
    ATH_MSG_DEBUG( " Streamed out OK "  );
  }
 
  if(m_regIOV) {
    ATH_CHECK( registerCondObjects() );
    ATH_MSG_DEBUG( " Register OK "  );
  }
  
  return StatusCode::SUCCESS;
}
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 
 
StatusCode LArAlignDbAlg::createCondObjects()
{
  ATH_MSG_INFO(" in createCondObjects() "  );
  
  if(detStore()->contains<DetCondKeyTrans>(LAR_ALIGN)) {
    ATH_MSG_INFO( " DetCondKeyTrans already exists, do nothing "  );
    return StatusCode::SUCCESS;
  }
 
  // Read input file, construct relevant transforms
  std::ifstream infile;
  infile.open(m_inpFile.value().c_str());
 
  if(!infile.is_open()) {
    ATH_MSG_ERROR( "Unable to open " << m_inpFile << " for reading"  );
    return StatusCode::FAILURE;
  }
 
  auto transforms = std::make_unique<DetCondKeyTrans>();
 
  char commentSign = '#';
  std::string commentLine;
  std::string key;
  double x, y, z, theta, phi, rotationAngle;
 
  while(!infile.eof()) {
    infile >> key;
    if(key.empty()) continue;
    if(key[0]==commentSign)
      std::getline(infile,commentLine);
    else {
      infile >> theta >> phi >> rotationAngle >> x >> y >> z;
 
      Hep3Vector axis(sin(theta)*cos(phi),sin(theta)*sin(phi),cos(theta));
      transforms->setTransform(key,Translate3D(x,y,z)*Rotate3D(rotationAngle,axis));
    }
  }
  infile.close();
 
  ATH_CHECK( detStore()->record(std::move(transforms),LAR_ALIGN) );
  ATH_MSG_DEBUG( " Recorded LAr/Align "  );
  
  return StatusCode::SUCCESS;
}
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 
 
StatusCode LArAlignDbAlg::printCondObjects()
{
  const DetCondKeyTrans* align;
  StatusCode sc = detStore()->retrieve(align, LAR_ALIGN);
 
  if(sc.isFailure()) 
    ATH_MSG_WARNING( " Could not find DetCondKeyTrans"  );
  else if(nullptr == align) 
    ATH_MSG_WARNING(" DetCondKeyTrans ptr is 0"  );
  else {
    std::cout << " \n\n**************************************************** \n";
    std::cout << " ****                                            **** \n";
    std::cout << " ****         Printing Conditions Objects        **** \n";
    std::cout << " ****                                            **** \n";
    std::cout << " **************************************************** \n";
    
    align->print();
    
    std::cout << " ****  **** **** ****     END     **** **** **** **** \n\n\n";
  }
 
  return StatusCode::SUCCESS;
}
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 
 
StatusCode LArAlignDbAlg::streamOutCondObjects()
{
  ATH_MSG_DEBUG( " entering streamOutCondObjects "   );
 
  ATH_CHECK( m_streamer->connectOutput(m_outpFile.value()) );
  ATH_MSG_DEBUG(" Did connect stream to output"  );
 
  int npairs = 1;
 
  IAthenaOutputStreamTool::TypeKeyPairs typeKeys(npairs);
 
  IAthenaOutputStreamTool::TypeKeyPair align("DetCondKeyTrans", LAR_ALIGN);
  typeKeys[0] = std::move(align);
  
  ATH_CHECK( m_streamer->streamObjects(typeKeys) );
  ATH_CHECK( m_streamer->commitOutput() );
 
  return StatusCode::SUCCESS;
}
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 
 
StatusCode LArAlignDbAlg::registerCondObjects()
{
  ATH_MSG_DEBUG( "entering registerCondObject()"   );
  
  std::string objname = "DetCondKeyTrans";
 
  // Register the IOV DB with the conditions data written out
  ATH_CHECK( m_regSvc->registerIOV(objname, m_outpTag) );
  return StatusCode::SUCCESS;
}