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|---|---|---|---|
| 1 | #pragma once | ||
| 2 | |||
| 3 | #include "iguana/algorithms/Algorithm.h" | ||
| 4 | |||
| 5 | namespace iguana::clas12 { | ||
| 6 | |||
| 7 | /// @algo_brief{Simple particle matching by proximity, for example, MC truth-matching} | ||
| 8 | /// @algo_type_creator | ||
| 9 | /// @begin_doc_config{clas12/MatchParticleProximity} | ||
| 10 | /// @config_param{bank_a | string | the particle bank to match from} | ||
| 11 | /// @config_param{bank_b | string | the particle bank to match to} | ||
| 12 | /// @end_doc | ||
| 13 | /// | ||
| 14 | /// This algorithm matches one particle bank to another, by smallest proximity, where proximity | ||
| 15 | /// is the Euclidean distance in (theta,phi) space. | ||
| 16 | /// | ||
| 17 | /// By default, it matches `REC::Particle` particles to `MC::Particle` particles. This configuration | ||
| 18 | /// is useful for MC files which _lack_ truth-matching banks (`MC::GenMatch` and `MC::RecMatch`); | ||
| 19 | /// you should prefer the truth-matching banks instead, if they are available. | ||
| 20 | /// | ||
| 21 | /// You may also use this algorithm to match `MC::Lund` to `MC::Particle`; in this case, expect match proximity | ||
| 22 | /// values to be very close to zero. | ||
| 23 | class MatchParticleProximity : public Algorithm | ||
| 24 | { | ||
| 25 | |||
| 26 |
7/18iguana::clas12::MatchParticleProximity::~MatchParticleProximity():
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iguana::clas12::MatchParticleProximity::MatchParticleProximity(std::basic_string_view<char, std::char_traits<char> >):
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10 | DEFINE_IGUANA_ALGORITHM(MatchParticleProximity, clas12::MatchParticleProximity) |
| 27 | |||
| 28 | public: | ||
| 29 | |||
| 30 | void Start(hipo::banklist& banks) override; | ||
| 31 | bool Run(hipo::banklist& banks) const override; | ||
| 32 | void Stop() override; | ||
| 33 | |||
| 34 | /// @run_function | ||
| 35 | /// @param [in] bank_a the particle bank to match from, _e.g._, `REC::Particle` | ||
| 36 | /// @param [in] bank_b the particle bank to match to, _e.g._, `MC::Particle` | ||
| 37 | /// @param [out] result_bank `%clas12::MatchParticleProximity`, which will be created | ||
| 38 | /// @returns `true` if the created bank is not empty | ||
| 39 | bool Run( | ||
| 40 | hipo::bank const& bank_a, | ||
| 41 | hipo::bank const& bank_b, | ||
| 42 | hipo::bank& result_bank) const; | ||
| 43 | |||
| 44 | private: | ||
| 45 | |||
| 46 | // config options | ||
| 47 | std::string o_bank_a; | ||
| 48 | std::string o_bank_b; | ||
| 49 | |||
| 50 | // banklist indices | ||
| 51 | hipo::banklist::size_type b_bank_a; | ||
| 52 | hipo::banklist::size_type b_bank_b; | ||
| 53 | hipo::banklist::size_type b_result; | ||
| 54 | |||
| 55 | // `b_result` bank item indices | ||
| 56 | int i_pindex_a; | ||
| 57 | int i_pindex_b; | ||
| 58 | int i_proximity; | ||
| 59 | }; | ||
| 60 | |||
| 61 | } | ||
| 62 |