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Remove the dQ/dx information from the track (#311)
* Remove the dQ/dx information from the track * Simplify RecDqdx to only measured quantities * Update README links * Add utility class to reverse RecDqdx - Track relations
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,27 @@ | ||
| #ifndef EDM4HEP_UTILS_TRACKUTILS_H | ||
| #define EDM4HEP_UTILS_TRACKUTILS_H | ||
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| #include <edm4hep/RecDqdxCollection.h> | ||
| #include <edm4hep/Track.h> | ||
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| #include <podio/Frame.h> | ||
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| #include <map> | ||
| #include <vector> | ||
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| namespace edm4hep::utils { | ||
| /// Utility class to invert the relations between RecDqdx to Track relation | ||
| class TrackPIDHandler { | ||
| using TrackMapT = std::multimap<edm4hep::Track, edm4hep::RecDqdx>; | ||
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| TrackMapT m_trackDqMap{}; ///< The internal map from tracks to RecDqdx | ||
| public: | ||
| /// Add the information from the passed collection to the handler | ||
| void addColl(const edm4hep::RecDqdxCollection& coll); | ||
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| /// Get all RecDqdx objects for the given track | ||
| std::vector<edm4hep::RecDqdx> getDqdxValues(const edm4hep::Track& track) const; | ||
| }; | ||
| } // namespace edm4hep::utils | ||
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| #endif // EDM4HEP_UTILS_TRACKUTILS_H |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| #include "edm4hep/utils/TrackUtils.h" | ||
| #include "edm4hep/RecDqdxCollection.h" | ||
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| #include <iterator> | ||
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| namespace edm4hep::utils { | ||
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| void TrackPIDHandler::addColl(const edm4hep::RecDqdxCollection& coll) { | ||
| for (const auto dqdx : coll) { | ||
| m_trackDqMap.emplace(dqdx.getTrack(), dqdx); | ||
| } | ||
| } | ||
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| std::vector<edm4hep::RecDqdx> TrackPIDHandler::getDqdxValues(const edm4hep::Track& track) const { | ||
| const auto& [begin, end] = m_trackDqMap.equal_range(track); | ||
| std::vector<edm4hep::RecDqdx> dqdxs{}; | ||
| dqdxs.reserve(std::distance(begin, end)); | ||
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| for (auto it = begin; it != end; ++it) { | ||
| dqdxs.emplace_back(it->second); | ||
| } | ||
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| return dqdxs; | ||
| } | ||
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| } // namespace edm4hep::utils |