DDDetector.cc

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#include "DetectorDescription/DDCMS/interface/DDDetector.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include <DD4hep/Detector.h>
#include <DD4hep/DetectorTools.h>
#include <DD4hep/Volumes.h>
#include <XML/DocumentHandler.h>
#include <XML/XMLElements.h>
 
#include <iostream>
 
using namespace cms;
using namespace std;
 
DDDetector::DDDetector(const string& tag, const string& fileName, bool bigXML) : m_tag(tag) {
  m_description = &Detector::getInstance(tag);
  m_description->addExtension<DDVectorsMap>(&m_vectors);
  m_description->addExtension<DDPartSelectionMap>(&m_partsels);
  m_description->addExtension<DDSpecParRegistry>(&m_specpars);
  if (bigXML)
    processXML(fileName);
  else
    process(fileName);
}
 
void DDDetector::process(const string& fileName) {
  std::string name("DD4hep_CompactLoader");
  const char* files[] = {fileName.c_str(), nullptr};
  m_description->apply(name.c_str(), 2, (char**)files);
}
 
void DDDetector::processXML(const std::string& xml) {
  edm::LogVerbatim("Geometry") << "DDDetector::processXML process string size " << xml.size() << " with max_size "
                               << xml.max_size();
  std::string name("DD4hep_XMLProcessor");
  dd4hep::xml::DocumentHolder doc(dd4hep::xml::DocumentHandler().parse(xml.c_str(), xml.length()));
 
  char* args[] = {(char*)doc.root().ptr(), nullptr};
  m_description->apply(name.c_str(), 1, (char**)args);
}
 
dd4hep::Volume DDDetector::worldVolume() const {
  assert(m_description);
  return m_description->worldVolume();
}
 
dd4hep::PlacedVolume DDDetector::worldPlacement() const { return world().placement(); }
 
dd4hep::DetElement DDDetector::world() const {
  assert(m_description);
  return m_description->world();
}
 
const dd4hep::Detector::HandleMap& DDDetector::detectors() const {
  assert(m_description);
  return m_description->detectors();
}
 
TGeoManager& DDDetector::manager() const {
  assert(m_description);
  return m_description->manager();
}
 
dd4hep::DetElement DDDetector::findElement(const std::string& path) const {
  assert(m_description);
  return dd4hep::detail::tools::findElement(*m_description, path);
}