/// Results are saved in the root file Fakes.root
/// Results are relevent provided that you use the same recoParams as for the reconstruction
-Bool_t TrackMatched(AliMUONTrack &track, AliMUONTrack &trackRef, Float_t &fractionOfMatchCluster, Double_t sigmaCut);
-Bool_t IsRecontructible(AliMUONTrack &track, AliMUONRecoParam &recoParam);
-AliMUONTrack* MatchWithTrackRef(AliMUONTrack &muonTrack, AliMUONVTrackStore &trackRefStore,
- Float_t &fractionOfMatchCluster, Bool_t useLabel, Double_t sigmaCut);
-Int_t RemoveConnectedFakes(AliMUONVTrackStore &fakeTrackStore, AliMUONVTrackStore &trackRefStore, AliMUONRecoParam &recoParam,
- Bool_t useLabel, Double_t sigmaCut, TH1F &hFractionOfConnectedClusters);
+UInt_t requestedStationMask = 0;
+Bool_t request2ChInSameSt45 = kFALSE;
+Double_t sigmaCut = -1.;
+
+Int_t RemoveConnectedFakes(AliMUONVTrackStore &fakeTrackStore, AliMUONVTrackStore &trackRefStore,
+ Bool_t useLabel, TH1F &hFractionOfConnectedClusters);
//-----------------------------------------------------------------------
void MUONFakes(Bool_t useLabel = kFALSE, Int_t FirstEvent = 0, Int_t LastEvent = -1,
if (!recoParam) return;
// get sigma cut from recoParam to associate clusters with TrackRefs in case the label are not used
- Double_t sigmaCut = (recoParam->ImproveTracks()) ? recoParam->GetSigmaCutForImprovement() : recoParam->GetSigmaCutForTracking();
+ sigmaCut = (recoParam->ImproveTracks()) ? recoParam->GetSigmaCutForImprovement() : recoParam->GetSigmaCutForTracking();
+ // compute the mask of requested stations from recoParam
+ for (Int_t i = 0; i < 5; i++) if (recoParam->RequestStation(i)) requestedStationMask |= ( 1 << i );
+ // get from recoParam whether a track need 2 chambers hit in the same station (4 or 5) or not to be reconstructible
+ request2ChInSameSt45 = !recoParam->MakeMoreTrackCandidates();
// initialize global counters
Int_t nReconstructibleTracks = 0;
TIter next(trackRefStore->CreateIterator());
AliMUONTrack* trackRef;
while ( ( trackRef = static_cast<AliMUONTrack*>(next()) ) ) {
- if (IsRecontructible(*trackRef,*recoParam)) nReconstructibleTracks++;
+ if (trackRef->IsValid(requestedStationMask, request2ChInSameSt45)) nReconstructibleTracks++;
}
// loop over ESD tracks
hPhi->Fill(phi);
// try to match the reconstructed track with a simulated one
- Float_t fractionOfMatchCluster = 0.;
- AliMUONTrack* matchedTrackRef = MatchWithTrackRef(*muonTrack, *trackRefStore, fractionOfMatchCluster, useLabel, sigmaCut);
+ Int_t nMatchClusters = 0;
+ AliMUONTrack* matchedTrackRef = rc.FindCompatibleTrack(*muonTrack, *trackRefStore, nMatchClusters, useLabel, sigmaCut);
// take actions according to matching result
if (matchedTrackRef) {
// global counter
nTotMatchedTracks++;
- if (!IsRecontructible(*matchedTrackRef,*recoParam)) {
+ if (!matchedTrackRef->IsValid(requestedStationMask, request2ChInSameSt45)) {
trackReconstructedYet = kTRUE;
nTotTracksReconstructedYet++;
}
// fill histograms
- hFractionOfMatchedClusters->Fill(fractionOfMatchCluster);
+ hFractionOfMatchedClusters->Fill(((Float_t) nMatchClusters) / ((Float_t) nClusters));
hNumberOfClustersMC->Fill(matchedTrackRef->GetNClusters());
hNumberOfClustersM->Fill(nClusters);
hChi2PerDofM->Fill(normalizedChi2);
if (fakeTrackStore->GetSize() > 0) {
// remove the most connected fake tracks
- Int_t nFreeMissingTracks = RemoveConnectedFakes(*fakeTrackStore, *trackRefStore, *recoParam,
- useLabel, sigmaCut, *hFractionOfConnectedClusters);
+ Int_t nFreeMissingTracks = RemoveConnectedFakes(*fakeTrackStore, *trackRefStore, useLabel, *hFractionOfConnectedClusters);
// remove the remaining free reconstructible tracks
Int_t nAdditionalTracks = fakeTrackStore->GetSize() - nFreeMissingTracks;
}
//-----------------------------------------------------------------------
-Bool_t TrackMatched(AliMUONTrack &track, AliMUONTrack &trackRef, Float_t &fractionOfMatchCluster, Double_t sigmaCut)
-{
- /// Try to match 2 tracks
-
- Bool_t compTrack[10];
- Int_t nMatchClusters = track.CompatibleTrack(&trackRef, sigmaCut, compTrack);
- fractionOfMatchCluster = ((Float_t)nMatchClusters) / ((Float_t)track.GetNClusters());
-
- if ((compTrack[0] || compTrack[1] || compTrack[2] || compTrack[3]) && // at least 1 cluster matched in st 1 & 2
- (compTrack[6] || compTrack[7] || compTrack[8] || compTrack[9]) && // at least 1 cluster matched in st 4 & 5
- fractionOfMatchCluster > 0.5) return kTRUE; // more than 50% of clusters matched
- else return kFALSE;
-
-}
-
-//-----------------------------------------------------------------------
-Bool_t IsRecontructible(AliMUONTrack &track, AliMUONRecoParam &recoParam)
-{
- /// Check il the track is reconstructible
- Int_t nMinChHitInSt45 = (recoParam.MakeMoreTrackCandidates()) ? 2 : 3;
- Int_t currentCh, previousCh = -1, nChHitInSt45 = 0;
- Bool_t clusterInSt[5];
- for (Int_t iSt = 0; iSt < 5; iSt++) clusterInSt[iSt] = !recoParam.RequestStation(iSt);
-
- AliMUONTrackParam* trackParam = static_cast<AliMUONTrackParam*>(track.GetTrackParamAtCluster()->First());
- while (trackParam) {
-
- currentCh = trackParam->GetClusterPtr()->GetChamberId();
-
- clusterInSt[currentCh/2] = kTRUE;
-
- if (currentCh > 5 && currentCh != previousCh) {
- nChHitInSt45++;
- previousCh = currentCh;
- }
-
- trackParam = static_cast<AliMUONTrackParam*>(track.GetTrackParamAtCluster()->After(trackParam));
- }
-
- return (clusterInSt[0] && clusterInSt[1] && clusterInSt[2] &&
- clusterInSt[3] && clusterInSt[4] && nChHitInSt45 >= nMinChHitInSt45);
-
-}
-
-//-----------------------------------------------------------------------
-AliMUONTrack* MatchWithTrackRef(AliMUONTrack &muonTrack, AliMUONVTrackStore &trackRefStore,
- Float_t &fractionOfMatchCluster, Bool_t useLabel, Double_t sigmaCut)
-{
- /// Return if the trackRef matched with the reconstructed track and the fraction of matched clusters
-
- AliMUONTrack *matchedTrackRef = 0x0;
- fractionOfMatchCluster = 0.;
-
- if (useLabel) { // by using the MC label
-
- // get the corresponding simulated track if any
- Int_t label = muonTrack.GetMCLabel();
- matchedTrackRef = (AliMUONTrack*) trackRefStore.FindObject(label);
-
- // get the fraction of matched clusters
- if (matchedTrackRef) {
- Int_t nMatchClusters = 0;
- Int_t nClusters = muonTrack.GetNClusters();
- for (Int_t iCl = 0; iCl < nClusters; iCl++)
- if (((AliMUONTrackParam*) muonTrack.GetTrackParamAtCluster()->UncheckedAt(iCl))->GetClusterPtr()->GetMCLabel() == label)
- nMatchClusters++;
- fractionOfMatchCluster = ((Float_t)nMatchClusters) / ((Float_t)nClusters);
- }
-
- } else { // by comparing cluster/TrackRef positions
-
- // look for the corresponding simulated track if any
- TIter next(trackRefStore.CreateIterator());
- AliMUONTrack* trackRef;
- while ( ( trackRef = static_cast<AliMUONTrack*>(next()) ) ) {
-
- // check compatibility
- Float_t f = 0.;
- if (TrackMatched(muonTrack, *trackRef, f, sigmaCut)) {
- matchedTrackRef = trackRef;
- fractionOfMatchCluster = f;
- break;
- }
-
- }
-
- }
-
- return matchedTrackRef;
-
-}
-
-//-----------------------------------------------------------------------
-Int_t RemoveConnectedFakes(AliMUONVTrackStore &fakeTrackStore, AliMUONVTrackStore &trackRefStore, AliMUONRecoParam &recoParam,
- Bool_t useLabel, Double_t sigmaCut, TH1F &hFractionOfConnectedClusters)
+Int_t RemoveConnectedFakes(AliMUONVTrackStore &fakeTrackStore, AliMUONVTrackStore &trackRefStore,
+ Bool_t useLabel, TH1F &hFractionOfConnectedClusters)
{
/// loop over reconstructible TrackRef not associated with reconstructed track:
/// for each of them, find and remove the most connected the fake track, if any,
while ( ( trackRef = static_cast<AliMUONTrack*>(next()) ) ) {
// skip not reconstructible trackRefs
- if (!IsRecontructible(*trackRef,recoParam)) continue;
+ if (!trackRef->IsValid(requestedStationMask, request2ChInSameSt45)) continue;
Int_t label = trackRef->GetUniqueID();
nConnectedClusters++;
} else { // by comparing cluster/TrackRef positions
Bool_t compTrack[10];
- nConnectedClusters = fakeTrack->CompatibleTrack(trackRef, sigmaCut, compTrack);
+ nConnectedClusters = fakeTrack->FindCompatibleClusters(*trackRef, sigmaCut, compTrack);
}
// skip non-connected fake tracks
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff