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MTD simulation: fix association tracking particle - MtdSimLayerCluster #47018

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merged 2 commits into from
Jan 7, 2025
Merged

MTD simulation: fix association tracking particle - MtdSimLayerCluster #47018

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e4d89cb
update
martinamalberti Dec 20, 2024
f0f1fd9
move eventID outside loop
martinamalberti Dec 20, 2024
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106 changes: 51 additions & 55 deletions ...astTiming/MtdAssociatorProducers/plugins/MtdSimLayerClusterToTPAssociatorByTrackIdImpl.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -29,11 +29,13 @@ reco::SimToTPCollectionMtd MtdSimLayerClusterToTPAssociatorByTrackIdImpl::associ
std::map<std::pair<unsigned int, uint32_t>, TrackingParticleRef> tpIdMap;
for (auto tpIt = trackingParticles.begin(); tpIt != trackingParticles.end(); tpIt++) {
const auto& tp = *tpIt;
unsigned int tpTrackId = tp.g4Tracks()[0].trackId();
EncodedEventId tpEventId = tp.eventId();
TrackingParticleRef tpRef =
edm::Ref<TrackingParticleCollection>(trackingParticleH, tpIt - trackingParticles.begin());
tpIdMap[std::make_pair(tpTrackId, tpEventId.rawId())] = tpRef;
for (unsigned int igt = 0; igt < tp.g4Tracks().size(); igt++) {
unsigned int tpTrackId = tp.g4Tracks()[igt].trackId();
TrackingParticleRef tpRef =
edm::Ref<TrackingParticleCollection>(trackingParticleH, tpIt - trackingParticles.begin());
tpIdMap[std::make_pair(tpTrackId, tpEventId.rawId())] = tpRef;
}
}

// -- loop over sim clusters and get the trackId, eventId
Expand All @@ -45,31 +47,26 @@ reco::SimToTPCollectionMtd MtdSimLayerClusterToTPAssociatorByTrackIdImpl::associ
const auto& simClus = *simClusIt;
size_t simClusIndex = simClusIt - simClusters.begin();
MtdSimLayerClusterRef simClusterRef = edm::Ref<MtdSimLayerClusterCollection>(simClusH, simClusIndex);
unsigned int simClusTrackId = simClus.g4Tracks()[0].trackId();
EncodedEventId simClusEventId = simClus.eventId();

// -- Check the trackId offset of the sim hits and keep only clusters with "direct" hits (offset == 0)
/*
if (simClus.trackIdOffset() != 0 ) continue;
*/

std::pair uniqueId = std::make_pair(simClusTrackId, simClusEventId.rawId());
auto it = tpIdMap.find(uniqueId);

if (it != tpIdMap.end()) {
TrackingParticleRef tpRef = tpIdMap[uniqueId];
outputCollection.insert(simClusterRef, tpRef);

LogDebug("MtdSimLayerClusterToTPAssociator::associateSimToTP")
<< "MtdSimLayerCluster: index = " << simClusIndex << " simClus TrackId = " << simClusTrackId
<< " simClus EventId = " << simClusEventId.rawId() << " simClus Eta = " << simClus.eta()
<< " simClus Phi = " << simClus.phi() << " simClus Time = " << simClus.simLCTime()
<< " simClus Energy = " << simClus.simLCEnergy() << std::endl;
LogDebug("MtdSimLayerClusterToTPAssociator::associateSimToTP")
<< " --> Found associated tracking particle: tp TrackId = " << (*tpRef).g4Tracks()[0].trackId()
<< " tp EventId = " << (*tpRef).eventId().rawId() << std::endl;
for (unsigned int igt = 0; igt < simClus.g4Tracks().size(); igt++) {
unsigned int simClusTrackId = simClus.g4Tracks()[igt].trackId();
std::pair uniqueId = std::make_pair(simClusTrackId, simClusEventId.rawId());
auto it = tpIdMap.find(uniqueId);

if (it != tpIdMap.end()) {
TrackingParticleRef tpRef = tpIdMap[uniqueId];
outputCollection.insert(simClusterRef, tpRef);

LogDebug("MtdSimLayerClusterToTPAssociator::associateSimToTP")
<< "MtdSimLayerCluster: index = " << simClusIndex << " simClus TrackId = " << simClusTrackId
<< " simClus EventId = " << simClusEventId.rawId() << " simClus Eta = " << simClus.eta()
<< " simClus Phi = " << simClus.phi() << " simClus Time = " << simClus.simLCTime()
<< " simClus Energy = " << simClus.simLCEnergy() << std::endl;
LogDebug("MtdSimLayerClusterToTPAssociator::associateSimToTP")
<< " --> Found associated tracking particle: tp TrackId = " << (*tpRef).g4Tracks()[0].trackId()
<< " tp EventId = " << (*tpRef).eventId().rawId() << std::endl;
}
}

} // -- end loop over sim clus

return outputCollection;
Expand All @@ -88,43 +85,42 @@ reco::TPToSimCollectionMtd MtdSimLayerClusterToTPAssociatorByTrackIdImpl::associ
std::map<std::pair<unsigned int, uint32_t>, std::vector<MtdSimLayerClusterRef>> simClusIdMap;
for (auto simClusIt = simClusters.begin(); simClusIt != simClusters.end(); simClusIt++) {
const auto& simClus = *simClusIt;
unsigned int simClusTrackId = simClus.g4Tracks()[0].trackId();
EncodedEventId simClusEventId = simClus.eventId();
MtdSimLayerClusterRef simClusterRef =
edm::Ref<MtdSimLayerClusterCollection>(simClusH, simClusIt - simClusters.begin());
simClusIdMap[std::make_pair(simClusTrackId, simClusEventId.rawId())].push_back(simClusterRef);
for (unsigned int igt = 0; igt < simClus.g4Tracks().size(); igt++) {
unsigned int simClusTrackId = simClus.g4Tracks()[igt].trackId();
MtdSimLayerClusterRef simClusterRef =
edm::Ref<MtdSimLayerClusterCollection>(simClusH, simClusIt - simClusters.begin());
simClusIdMap[std::make_pair(simClusTrackId, simClusEventId.rawId())].push_back(simClusterRef);
}
}

// -- Loop over the tracking particles
for (auto tpIt = trackingParticles.begin(); tpIt != trackingParticles.end(); tpIt++) {
const auto& tp = *tpIt;
size_t tpIndex = tpIt - trackingParticles.begin();
TrackingParticleRef tpRef = edm::Ref<TrackingParticleCollection>(trackingParticleH, tpIndex);
unsigned int tpTrackId = tp.g4Tracks()[0].trackId();
EncodedEventId tpEventId = tp.eventId();

std::pair uniqueId = std::make_pair(tpTrackId, tpEventId.rawId());
auto it = simClusIdMap.find(uniqueId);

if (it != simClusIdMap.end()) {
for (unsigned int i = 0; i < simClusIdMap[uniqueId].size(); i++) {
MtdSimLayerClusterRef simClusterRef = simClusIdMap[uniqueId][i];
// -- Check the trackId offset of the sim hits and keep only clusters with "direct" hits (offset == 0)
/*
if (simClus.trackIdOffset() != 0 ) continue;
*/

outputCollection.insert(tpRef, simClusterRef);

LogDebug("MtdSimLayerClusterToTPAssociator")
<< "Tracking particle: index = " << tpIndex << " tp TrackId = " << tpTrackId
<< " tp EventId = " << tpEventId.rawId();
LogDebug("MtdSimLayerClusterToTPAssociator")
<< " --> Found associated MtdSimLayerCluster: simClus TrackId = "
<< (*simClusterRef).g4Tracks()[0].trackId() << " simClus EventId = " << (*simClusterRef).eventId().rawId()
<< " simClus Eta = " << (*simClusterRef).eta() << " simClus Phi = " << (*simClusterRef).phi()
<< " simClus Time = " << (*simClusterRef).simLCTime()
<< " simClus Energy = " << (*simClusterRef).simLCEnergy() << std::endl;
for (unsigned int igt = 0; igt < tp.g4Tracks().size(); igt++) {
unsigned int tpTrackId = tp.g4Tracks()[igt].trackId();
std::pair uniqueId = std::make_pair(tpTrackId, tpEventId.rawId());
auto it = simClusIdMap.find(uniqueId);

if (it != simClusIdMap.end()) {
for (unsigned int i = 0; i < simClusIdMap[uniqueId].size(); i++) {
MtdSimLayerClusterRef simClusterRef = simClusIdMap[uniqueId][i];

outputCollection.insert(tpRef, simClusterRef);

LogDebug("MtdSimLayerClusterToTPAssociator")
<< "Tracking particle: index = " << tpIndex << " tp TrackId = " << tpTrackId
<< " tp EventId = " << tpEventId.rawId();
LogDebug("MtdSimLayerClusterToTPAssociator")
<< " --> Found associated MtdSimLayerCluster: simClus TrackId = "
<< (*simClusterRef).g4Tracks()[0].trackId() << " simClus EventId = " << (*simClusterRef).eventId().rawId()
<< " simClus Eta = " << (*simClusterRef).eta() << " simClus Phi = " << (*simClusterRef).phi()
<< " simClus Time = " << (*simClusterRef).simLCTime()
<< " simClus Energy = " << (*simClusterRef).simLCEnergy() << std::endl;
}
}
}
}
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