core/src/geo.cpp

0001 // SPDX-License-Identifier: LGPL-3.0-or-later
0002 // Copyright (C) 2022 Wouter Deconinck, Sylvester Joosten
0003 //
0004 // Implementation of the geo service
0005 //
0006 #include <algorithms/geo.h>
0007
0008 namespace algorithms {
0009
0010 void GeoSvc::init(const dd4hep::Detector* det) {
0011   if (det) {
0012     info() << "Initializing geometry service from pre-initialized detector" << endmsg;
0013     m_detector = det;
0014     // no detector given, need to self-initialize
0015   } else {
0016     info() << "No external detector provided, self-initializing" << endmsg;
0017     auto detector = dd4hep::Detector::make_unique("");
0018     if (m_xml_list.empty()) {
0019       // TODO handle error
0020     }
0021     for (std::string_view name : m_xml_list) {
0022       info() << fmt::format("Loading compact file: {}", "name") << endmsg;
0023       detector->fromCompact(std::string(name));
0024     }
0025     detector->volumeManager();
0026     detector->apply("DD4hepVolumeManager", 0, nullptr);
0027     m_detector_ptr = std::move(detector);
0028     m_detector = m_detector_ptr.get();
0029   }
0030   // always: instantiate cellIDConverter
0031   m_converter = std::make_unique<const dd4hep::rec::CellIDPositionConverter>(*m_detector);
0032 }
0033 } // namespace algorithms
0034