Csv/src/CsvGnnGraphReader.cpp

0001 // This file is part of the ACTS project.
0002 //
0003 // Copyright (C) 2016 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 https://mozilla.org/MPL/2.0/.
0008
0009 #include "ActsExamples/Io/Csv/CsvGnnGraphReader.hpp"
0010
0011 #include "Acts/Utilities/Logger.hpp"
0012 #include "ActsExamples/EventData/SimParticle.hpp"
0013 #include "ActsExamples/Framework/AlgorithmContext.hpp"
0014 #include "ActsExamples/Io/Csv/CsvInputOutput.hpp"
0015 #include "ActsExamples/Utilities/Paths.hpp"
0016 #include <ActsExamples/Utilities/Paths.hpp>
0017
0018 #include <stdexcept>
0019 #include <string>
0020
0021 #include "CsvOutputData.hpp"
0022
0023 namespace ActsExamples {
0024
0025 CsvGnnGraphReader::CsvGnnGraphReader(const Config& config,
0026                                      Acts::Logging::Level level)
0027     : m_cfg(config),
0028       m_eventsRange(
0029           determineEventFilesRange(m_cfg.inputDir, m_cfg.inputStem + ".csv")),
0030       m_logger(Acts::getDefaultLogger("CsvGnnGraphReader", level)) {
0031   if (m_cfg.inputStem.empty()) {
0032     throw std::invalid_argument("Missing input filename stem");
0033   }
0034
0035   m_outputGraph.initialize(m_cfg.outputGraph);
0036 }
0037
0038 std::pair<std::size_t, std::size_t> CsvGnnGraphReader::availableEvents() const {
0039   return m_eventsRange;
0040 }
0041
0042 ProcessCode CsvGnnGraphReader::read(const AlgorithmContext& ctx) {
0043   SimParticleContainer::sequence_type unordered;
0044
0045   auto path = perEventFilepath(m_cfg.inputDir, m_cfg.inputStem + ".csv",
0046                                ctx.eventNumber);
0047   // vt and m are an optional columns
0048   NamedTupleCsvReader<GraphData> reader(path, {"vt", "m"});
0049   GraphData data;
0050
0051   Graph g;
0052
0053   while (reader.read(data)) {
0054     g.edges.push_back(data.edge0);
0055     g.edges.push_back(data.edge1);
0056     g.weights.push_back(data.weight);
0057   }
0058
0059   m_outputGraph(ctx, std::move(g));
0060
0061   return ProcessCode::SUCCESS;
0062 }
0063
0064 }  // namespace ActsExamples