| 1 | // -*- C++ -*-
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| 2 | //
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| 3 | // This file is part of HepMC
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| 4 | // Copyright (C) 2014-2019 The HepMC collaboration (see AUTHORS for details)
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| 5 | //
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| 6 | #ifndef HEPMC3_DATA_GENEVENTDATA_H
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| 7 | #define HEPMC3_DATA_GENEVENTDATA_H
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| 8 | /**
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| 9 | * @file GenEventData.h
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| 10 | * @brief Definition of \b struct GenEventData
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| 11 | *
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| 12 | * @struct HepMC3::GenEventData
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| 13 | * @brief Stores serializable event information
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| 14 | *
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| 15 | * @ingroup data
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| 16 | *
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| 17 | */
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| 18 | #include <vector>
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| 19 | #include <string>
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| 20 | #include "HepMC3/Data/GenParticleData.h"
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| 21 | #include "HepMC3/Data/GenVertexData.h"
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| 22 | #include "HepMC3/Units.h"
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| 23 |
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| 24 | namespace HepMC3 {
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| 25 |
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| 26 | struct GenEventData {
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| 27 | int event_number; ///< Event number
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| 28 | Units::MomentumUnit momentum_unit; ///< Momentum unit
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| 29 | Units::LengthUnit length_unit; ///< Length unit
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| 30 |
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| 31 | std::vector<GenParticleData> particles; ///< Particles
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| 32 | std::vector<GenVertexData> vertices; ///< Vertices
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| 33 | std::vector<double> weights; ///< Weights
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| 34 |
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| 35 | FourVector event_pos; ///< Event position
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| 36 |
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| 37 | /** @brief First id of the vertex links
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| 38 | *
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| 39 | * If this id is positive - it is the incoming particle id
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| 40 | * of a vertex which id is written in GenEventData::links2
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| 41 | *
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| 42 | * If this id is negative - it's the id of a vertex which
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| 43 | * outgoing particle id is written in GenEventData::links2
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| 44 | *
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| 45 | * The links1[i] points to links2[i].
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| 46 | * In case links1[i] is particle, links2[i] is end vertex.
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| 47 | * In case links2[i] is vertex, links2[i] is outgoing particle.
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| 48 | * An example of usage is given in documentation.
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| 49 | *
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| 50 | */
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| 51 | std::vector<int> links1;
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| 52 | std::vector<int> links2; ///< Second id of the vertex links
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| 53 |
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| 54 | std::vector<int> attribute_id; ///< Attribute owner id
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| 55 | std::vector<std::string> attribute_name; ///< Attribute name
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| 56 | std::vector<std::string> attribute_string; ///< Attribute serialized as string
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| 57 | };
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| 58 |
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| 59 | } // namespace HepMC
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| 60 |
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| 61 | #endif
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