MuonSimHitHelpers.h

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
#ifndef MUONTRUTHHELPERS_MUONSIMHITHELPERS_H
#define MUONTRUTHHELPERS_MUONSIMHITHELPERS_H
 
#include <xAODMuonPrepData/MuonMeasurementFwd.h>
#include <xAODMuonSimHit/MuonSimHit.h>
#include <xAODMuon/MuonSegment.h>
#include <xAODTruth/TruthParticle.h>
 
#include <unordered_set>
namespace MuonR4 {
    class SpacePoint;
    class CalibratedSpacePoint;
    class Segment;
    class SegmentSeed;
    class SpacePointBucket;
    const xAOD::MuonSimHit* getTruthMatchedHit(const xAOD::MuonMeasurement& prdHit);
    std::unordered_set<const xAOD::MuonSimHit*> getMatchingSimHits(const xAOD::MuonSegment& segment);
    std::unordered_set<const xAOD::MuonSimHit*> getMatchingSimHits(const std::vector<const SpacePoint*>& spacePoints);
    std::unordered_set<const xAOD::MuonSimHit*> getMatchingSimHits(const std::vector<const CalibratedSpacePoint*>& measurements);
    std::unordered_set<const xAOD::MuonSimHit*> getMatchingSimHits(const Segment& seg);
    std::unordered_set<const xAOD::MuonSimHit*> getMatchingSimHits(const SegmentSeed& seed);
    std::unordered_set<const xAOD::MuonSimHit*> getMatchingSimHits(const SpacePointBucket& bucket);
    const xAOD::TruthParticle* getTruthMatchedParticle(const xAOD::MuonSegment& segment);
    const xAOD::MuonSegment* getMatchedTruthSegment(const xAOD::MuonSegment& segment);
    std::vector<const xAOD::MuonSegment*> getTruthSegments(const xAOD::TruthParticle& truthMuon);
    const xAOD::MuonSegment* getMatchedTruthSegment(const xAOD::MuonSimHit& hit);
    const xAOD::TruthParticle* getTruthMatchedParticle(const xAOD::MuonSimHit& hit);
}
 
#endif