Csv/src/CsvDriftCircleReader.cpp

0001 // This file is part of the Acts project.
0002 //
0003 // Copyright (C) 2023 CERN for the benefit of the Acts project
0004 //
0005 // This Source Code Form is subject to the terms of the Mozilla Public
0006 // License, v. 2.0. If a copy of the MPL was not distributed with this
0007 // file, You can obtain one at http://mozilla.org/MPL/2.0/.
0008
0009 #include "ActsExamples/Io/Csv/CsvDriftCircleReader.hpp"
0010
0011 #include "Acts/Definitions/Units.hpp"
0012 #include "Acts/Geometry/GeometryIdentifier.hpp"
0013 #include "ActsExamples/EventData/DriftCircle.hpp"
0014 #include "ActsExamples/Framework/AlgorithmContext.hpp"
0015 #include "ActsExamples/Utilities/Paths.hpp"
0016 #include "ActsFatras/EventData/Barcode.hpp"
0017 #include "ActsFatras/EventData/Hit.hpp"
0018
0019 #include <array>
0020 #include <stdexcept>
0021
0022 #include <dfe/dfe_io_dsv.hpp>
0023
0024 #include "CsvOutputData.hpp"
0025
0026 ActsExamples::CsvDriftCircleReader::CsvDriftCircleReader(
0027     const ActsExamples::CsvDriftCircleReader::Config& config,
0028     Acts::Logging::Level level)
0029     : m_cfg(config),
0030       // TODO check that all files (hits,cells,truth) exists
0031       m_eventsRange(
0032           determineEventFilesRange(m_cfg.inputDir, m_cfg.inputStem + ".csv")),
0033       m_logger(Acts::getDefaultLogger("CsvDriftCircleReader", level)) {
0034   if (m_cfg.inputStem.empty()) {
0035     throw std::invalid_argument("Missing input filename stem");
0036   }
0037   if (m_cfg.outputDriftCircles.empty()) {
0038     throw std::invalid_argument("Missing drift circle output collection");
0039   }
0040
0041   m_outputDriftCircles.initialize(m_cfg.outputDriftCircles);
0042 }
0043
0044 std::string ActsExamples::CsvDriftCircleReader::CsvDriftCircleReader::name()
0045     const {
0046   return "CsvDriftCircleReader";
0047 }
0048
0049 std::pair<std::size_t, std::size_t>
0050 ActsExamples::CsvDriftCircleReader::availableEvents() const {
0051   return m_eventsRange;
0052 }
0053
0054 ActsExamples::ProcessCode ActsExamples::CsvDriftCircleReader::read(
0055     const ActsExamples::AlgorithmContext& ctx) {
0056   auto path = perEventFilepath(m_cfg.inputDir, m_cfg.inputStem + ".csv",
0057                                ctx.eventNumber);
0058
0059   dfe::NamedTupleCsvReader<MuonDriftCircleData> reader(path);
0060
0061   DriftCircleContainer DriftCircles;
0062   MuonDriftCircleData data;
0063
0064   while (reader.read(data)) {
0065     ActsFatras::Hit::Vector3 tube_pos{
0066         data.tubePositionx * Acts::UnitConstants::mm,
0067         data.tubePositiony * Acts::UnitConstants::mm,
0068         data.tubePositionz * Acts::UnitConstants::mm};
0069
0070     DriftCircles.push_back(DriftCircle(std::move(tube_pos), data.driftRadius,
0071                                        0.0f, data.stationName, data.stationEta,
0072                                        data.stationPhi, data.multilayer,
0073                                        data.tubelayer, data.tube));
0074   }
0075
0076   // write the ordered data to the EventStore (according to geometry_id).
0077   m_outputDriftCircles(ctx, std::move(DriftCircles));
0078
0079   return ActsExamples::ProcessCode::SUCCESS;
0080 }