/**************************************************************************
- * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
- * *
- * Author: The ALICE Off-line Project. *
- * Contributors are mentioned in the code where appropriate. *
- * *
- * Permission to use, copy, modify and distribute this software and its *
- * documentation strictly for non-commercial purposes is hereby granted *
- * without fee, provided that the above copyright notice appears in all *
- * copies and that both the copyright notice and this permission notice *
- * appear in the supporting documentation. The authors make no claims *
- * about the suitability of this software for any purpose. It is *
- * provided "as is" without express or implied warranty. *
- **************************************************************************/
+* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+* *
+* Author: The ALICE Off-line Project. *
+* Contributors are mentioned in the code where appropriate. *
+* *
+* Permission to use, copy, modify and distribute this software and its *
+* documentation strictly for non-commercial purposes is hereby granted *
+* without fee, provided that the above copyright notice appears in all *
+* copies and that both the copyright notice and this permission notice *
+* appear in the supporting documentation. The authors make no claims *
+* about the suitability of this software for any purpose. It is *
+* provided "as is" without express or implied warranty. *
+**************************************************************************/
+
+// $Id$
+
+/// \ingroup macros
+/// \file MUONRecoCheck.C
+/// \brief Utility macro to check the muon reconstruction.
+///
+/// Reconstructed tracks are compared to reference tracks. The reference tracks
+/// are built from AliTrackReference for the hit in chamber (0..9) and from
+/// kinematics (TreeK) for the vertex parameters.
+///
+/// \author Jean-Pierre Cussonneau, Subatech
// ROOT includes
+#include "TMath.h"
#include "TClonesArray.h"
#include "TH1.h"
-#include "TParticle.h"
+#include "TH2.h"
+#include "TGraphErrors.h"
+#include "TF1.h"
#include "TFile.h"
// STEER includes
-#include "AliRun.h"
-#include "AliHeader.h"
-#include "AliMC.h"
-#include "AliStack.h"
-#include "AliRunLoader.h"
+#include "AliCDBManager.h"
// MUON includes
-#include "AliMUON.h"
+#include "AliMUONCDB.h"
#include "AliMUONConstants.h"
#include "AliMUONTrack.h"
#include "AliMUONRecoCheck.h"
#include "AliMUONTrackParam.h"
+#include "AliMUONRecoParam.h"
+#include "AliMUONVTrackStore.h"
+#include "AliMUONVCluster.h"
-Int_t TrackCheck( Bool_t *compTrack);
-
-void MUONRecoCheck (Int_t nEvent = 1, char * filename="galice.root"){
-
- // Utility macro to check the muon reconstruction. Reconstructed tracks are compared
- // to reference tracks. The reference tracks are built from AliTrackReference for the
- // hit in chamber (0..9) and from kinematics (TreeK) for the vertex parameters.
+void MUONRecoCheck (Int_t nEvent = -1, char * pathSim="./generated/", char * esdFileName="AliESDs.root",
+ const char* ocdbPath = "local://$ALICE_ROOT/OCDB")
+{
- Int_t nTrackReco, nTrackRef;
- AliMUONTrack *trackReco, *trackRef;
- Bool_t *compTrack;
- Bool_t compTrackOK[10];
- Int_t nHitOK = 0;
- Int_t testTrack = 0;
- Int_t iTrack = 0;
- Int_t indexOK = 0;
- Int_t trackID = 0;
- Double_t sigma2Cut = 16; // 4 sigmas cut, sigma2Cut = 4*4
- AliMUONTrackParam *trackParam;
- TClonesArray *trackParamAtHit;
- Double_t x1,y1,z1,pX1,pY1,pZ1,p1;
- Double_t x2,y2,z2,pX2,pY2,pZ2,p2;
- TParticle* particle = new TParticle();
-
- TClonesArray *trackRecoArray = NULL;
- TClonesArray *trackRefArray = NULL;
-
-
// File for histograms and histogram booking
TFile *histoFile = new TFile("MUONRecoCheck.root", "RECREATE");
-
+
TH1F *hReconstructible = new TH1F("hReconstructible"," Nb of reconstructible tracks ",15,-0.5,14.5);
TH1F *hReco = new TH1F("hReco"," Nb of reconstructed tracks / evt",15,-0.5,14.5);
- TH1F *hNHitComp = new TH1F("hNHitComp"," Nb of compatible hits / track ",15,-0.5,14.5);
- TH1F *hTestTrack = new TH1F("hTestTrack"," Reconstruction requirement / track",15,-0.5,14.5);
+ TH1F *hNClusterComp = new TH1F("hNClusterComp"," Nb of compatible clusters / track ",15,-0.5,14.5);
TH1F *hTrackRefID = new TH1F("hTrackRefID"," track reference ID ",100,-0.5,99.5);
- TH1F *hResMomVertex = new TH1F("hMomVertex"," delta P vertex (GeV/c)",100,-10.,10);
- TH1F *hResMomFirstHit = new TH1F("hMomFirstHit"," delta P first hit (GeV/c)",100,-10.,10);
-
-
+ // momentum resolution
+ TH1F *hResMomVertex = new TH1F("hResMomVertex"," delta P vertex (GeV/c)",100,-10.,10);
+ TH1F *hResMomFirstCluster = new TH1F("hResMomFirstCluster"," delta P first cluster (GeV/c)",100,-10.,10);
+ TH2D *hResMomVertexVsMom = new TH2D("hResMomVertexVsMom","#Delta_{p} at vertex versus p (GeV/c)",30,0.,300.,800,-20.,20.);
+ TH2D *hResMomFirstClusterVsMom = new TH2D("hResMomFirstClusterVsMom","#Delta_{p} at first cluster versus p (GeV/c)",30,0.,300.,800,-20.,20.);
+ TGraphErrors* gResMomVertexVsMom = new TGraphErrors(30);
+ gResMomVertexVsMom->SetName("gResMomVertexVsMom");
+ gResMomVertexVsMom->SetTitle("#Delta_{p}/p at vertex versus p;p (GeV/c);#sigma_{p}/p (%)");
+ TGraphErrors* gResMomFirstClusterVsMom = new TGraphErrors(30);
+ gResMomFirstClusterVsMom->SetName("gResMomFirstClusterVsMom");
+ gResMomFirstClusterVsMom->SetTitle("#Delta_{p}/p at first cluster versus p;p (GeV/c);#sigma_{p}/p (%)");
+ TF1* f = new TF1("f","gaus");
- AliMUONRecoCheck rc(filename);
- AliRunLoader *runLoader = rc.GetRunLoader();
-
-
- Int_t nevents = runLoader->GetNumberOfEvents();
+ // residuals at clusters
+ histoFile->mkdir("residuals","residuals");
+ histoFile->cd("residuals");
+ TH1F* hResidualXInCh[AliMUONConstants::NTrackingCh()];
+ TH1F* hResidualYInCh[AliMUONConstants::NTrackingCh()];
+ for (Int_t i = 0; i < AliMUONConstants::NTrackingCh(); i++) {
+ hResidualXInCh[i] = new TH1F(Form("hResidualXInCh%d",i+1), Form("cluster-track residual-X distribution in chamber %d;#Delta_{X} (cm)",i+1), 1000, -1., 1.);
+ hResidualYInCh[i] = new TH1F(Form("hResidualYInCh%d",i+1), Form("cluster-track residual-Y distribution in chamber %d;#Delta_{Y} (cm)",i+1), 1000, -0.5, 0.5);
+ }
+ TGraphErrors* gResidualXPerChMean = new TGraphErrors(AliMUONConstants::NTrackingCh());
+ gResidualXPerChMean->SetName("gResidualXPerChMean");
+ gResidualXPerChMean->SetTitle("cluster-track residual-X per Ch: mean;chamber ID;<#Delta_{Y}> (cm)");
+ gResidualXPerChMean->SetMarkerStyle(kFullDotLarge);
+ TGraphErrors* gResidualYPerChMean = new TGraphErrors(AliMUONConstants::NTrackingCh());
+ gResidualYPerChMean->SetName("gResidualYPerChMean");
+ gResidualYPerChMean->SetTitle("cluster-track residual-Y per Ch: mean;chamber ID;<#Delta_{Y}> (cm)");
+ gResidualYPerChMean->SetMarkerStyle(kFullDotLarge);
+ TGraphErrors* gResidualXPerChSigma = new TGraphErrors(AliMUONConstants::NTrackingCh());
+ gResidualXPerChSigma->SetName("gResidualXPerChSigma");
+ gResidualXPerChSigma->SetTitle("cluster-track residual-X per Ch: sigma;chamber ID;#sigma_{X} (cm)");
+ gResidualXPerChSigma->SetMarkerStyle(kFullDotLarge);
+ TGraphErrors* gResidualYPerChSigma = new TGraphErrors(AliMUONConstants::NTrackingCh());
+ gResidualYPerChSigma->SetName("gResidualYPerChSigma");
+ gResidualYPerChSigma->SetTitle("cluster-track residual-Y per Ch: sigma;chamber ID;#sigma_{X} (cm)");
+ gResidualYPerChSigma->SetMarkerStyle(kFullDotLarge);
+
+ AliMUONRecoCheck rc(esdFileName, pathSim);
- if (nevents < nEvent) nEvent = nevents;
+ // load necessary data from OCDB
+ AliCDBManager::Instance()->SetDefaultStorage(ocdbPath);
+ AliCDBManager::Instance()->SetRun(rc.GetRunNumber());
+ AliMUONRecoParam* recoParam = AliMUONCDB::LoadRecoParam();
+ 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();
+ // compute the mask of requested stations from recoParam
+ UInt_t requestedStationMask = 0;
+ 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
+ Bool_t request2ChInSameSt45 = !recoParam->MakeMoreTrackCandidates();
+
+ Int_t nevents = rc.NumberOfEvents();
+
+ if (nevents < nEvent || nEvent < 0) nEvent = nevents;
Int_t ievent;
Int_t nReconstructibleTracks = 0;
Int_t nReconstructedTracks = 0;
Int_t nReconstructibleTracksCheck = 0;
-
- for (ievent=0; ievent<nEvent; ievent++) {
+ AliMUONTrackParam *trackParam;
+ Double_t x1,y1,z1,pX1,pY1,pZ1,p1,pT1;
+ Double_t x2,y2,z2,pX2,pY2,pZ2,p2,pT2;
+
+ for (ievent=0; ievent<nEvent; ievent++)
+ {
if (!(ievent%10)) printf(" **** event # %d \n",ievent);
- runLoader->GetEvent(ievent);
- rc.ResetTracks();
- rc.MakeTrackRef(); // make reconstructible tracks
-// rc.PrintEvent();
-
- trackRecoArray = rc.GetTrackReco();
- trackRefArray = rc.GetMuonTrackRef();
+ AliMUONVTrackStore* trackStore = rc.ReconstructedTracks(ievent, kFALSE);
+ AliMUONVTrackStore* trackRefStore = rc.ReconstructibleTracks(ievent, requestedStationMask, request2ChInSameSt45);
- nTrackRef = trackRefArray->GetEntriesFast();
- nTrackReco = trackRecoArray->GetEntriesFast();
-
- hReconstructible->Fill(rc.GetNumberOfReconstuctibleTracks());
- hReco->Fill(rc.GetNumberOfRecoTracks());
-
- nReconstructibleTracks += rc.GetNumberOfReconstuctibleTracks();
- nReconstructedTracks += rc.GetNumberOfRecoTracks();
-
- for (Int_t index1 = 0; index1 < nTrackRef; index1++) {
- trackRef = (AliMUONTrack *)trackRefArray->At(index1);
-
- testTrack = 0;
- indexOK = 0;
- for (Int_t ch = 0; ch < AliMUONConstants::NTrackingCh(); ch++)
- compTrackOK[ch] = kFALSE;
- for (Int_t index2 = 0; index2 < nTrackReco; index2++) {
- trackReco = (AliMUONTrack *)trackRecoArray->At(index2);
-
- // check if trackRef is compatible with trackReco
- compTrack = trackRef->CompatibleTrack(trackReco,sigma2Cut);
-
- iTrack = TrackCheck(compTrack);
+ hReconstructible->Fill(trackRefStore->GetSize());
+ hReco->Fill(trackStore->GetSize());
+
+ nReconstructibleTracks += trackRefStore->GetSize();
+ nReconstructedTracks += trackStore->GetSize();
+
+ // loop over trackRef
+ TIter next(trackRefStore->CreateIterator());
+ AliMUONTrack* trackRef;
+ while ( ( trackRef = static_cast<AliMUONTrack*>(next()) ) )
+ {
+
+ hTrackRefID->Fill(trackRef->GetMCLabel());
+
+ AliMUONTrack* trackMatched = 0x0;
+ Int_t nMatchClusters = 0;
+
+ // loop over trackReco and look for compatible track
+ TIter next2(trackStore->CreateIterator());
+ AliMUONTrack* trackReco;
+ while ( ( trackReco = static_cast<AliMUONTrack*>(next2()) ) )
+ {
- if (iTrack > testTrack) {
- nHitOK = 0;
- for (Int_t ch = 0; ch < AliMUONConstants::NTrackingCh(); ch++) {
- if (compTrack[ch]) nHitOK++;
- compTrackOK[ch] = compTrack[ch];
- }
- testTrack = iTrack;
- indexOK = index2;
+ // check if trackReco is compatible with trackRef
+ Int_t n = 0;
+ if (trackReco->Match(*trackRef, sigmaCut, nMatchClusters)) {
+ trackMatched = trackReco;
+ nMatchClusters = n;
+ break;
}
+
}
-
- hTestTrack->Fill(testTrack);
- trackID = trackRef->GetTrackID();
- hTrackRefID->Fill(trackID);
-
- if (testTrack == 4) { // tracking requirements verified, track is found
- nReconstructibleTracksCheck++;
- hNHitComp->Fill(nHitOK);
- particle = runLoader->GetHeader()->Stack()->Particle(trackID);
-// printf(" trackID: %d , PDG code: %d \n",trackID,particle->GetPdgCode());
- trackParam = trackRef->GetTrackParamAtVertex();
- x1 = trackParam->GetNonBendingCoor();
- y1 = trackParam->GetBendingCoor();
- z1 = trackParam->GetZ();
- pX1 = trackParam->Px();
- pY1 = trackParam->Py();
- pZ1 = trackParam->Pz();
- p1 = trackParam->P();
+
+ if (trackMatched) { // tracking requirements verified, track is found
+ nReconstructibleTracksCheck++;
+ hNClusterComp->Fill(nMatchClusters);
+ trackParam = trackRef->GetTrackParamAtVertex();
+ x1 = trackParam->GetNonBendingCoor();
+ y1 = trackParam->GetBendingCoor();
+ z1 = trackParam->GetZ();
+ pX1 = trackParam->Px();
+ pY1 = trackParam->Py();
+ pZ1 = trackParam->Pz();
+ p1 = trackParam->P();
+ pT1 = TMath::Sqrt(pX1*pX1 + pY1*pY1);
+
+ // printf(" Ref. track at vertex: x,y,z: %f %f %f px,py,pz,p: %f %f %f %f \n",x1,y1,z1,pX1,pY1,pZ1,p1);
+ trackParam = trackMatched->GetTrackParamAtVertex();
+ x2 = trackParam->GetNonBendingCoor();
+ y2 = trackParam->GetBendingCoor();
+ z2 = trackParam->GetZ();
+ pX2 = trackParam->Px();
+ pY2 = trackParam->Py();
+ pZ2 = trackParam->Pz();
+ p2 = trackParam->P();
+ pT2 = TMath::Sqrt(pX2*pX2 + pY2*pY2);
+ // printf(" Reconst. track at vertex: x,y,z: %f %f %f px,py,pz: %f %f %f %f \n",x2,y2,z2,pX2,pY2,pZ2,p2);
+
+ hResMomVertex->Fill(p2-p1);
+ hResMomVertexVsMom->Fill(p1,p2-p1);
-// printf(" Ref. track at vertex: x,y,z: %f %f %f px,py,pz,p: %f %f %f %f \n",x1,y1,z1,pX1,pY1,pZ1,p1);
+ trackParam = (AliMUONTrackParam*) trackRef->GetTrackParamAtCluster()->First();
+ x1 = trackParam->GetNonBendingCoor();
+ y1 = trackParam->GetBendingCoor();
+ z1 = trackParam->GetZ();
+ pX1 = trackParam->Px();
+ pY1 = trackParam->Py();
+ pZ1 = trackParam->Pz();
+ p1 = trackParam->P();
+ pT1 = TMath::Sqrt(pX1*pX1 + pY1*pY1);
- trackParam = ((AliMUONTrack *)trackRecoArray->At(indexOK))->GetTrackParamAtVertex();
- x2 = trackParam->GetNonBendingCoor();
- y2 = trackParam->GetBendingCoor();
- z2 = trackParam->GetZ();
- pX2 = trackParam->Px();
- pY2 = trackParam->Py();
- pZ2 = trackParam->Pz();
- p2 = trackParam->P();
-// printf(" Reconst. track at vertex: x,y,z: %f %f %f px,py,pz: %f %f %f %f \n",x2,y2,z2,pX2,pY2,pZ2,p2);
+ // printf(" Ref. track at 1st cluster: x,y,z: %f %f %f px,py,pz: %f %f %f \n",x1,y1,z1,pX1,pY1,pZ1);
+ trackParam = (AliMUONTrackParam*) trackMatched->GetTrackParamAtCluster()->First();
+ x2 = trackParam->GetNonBendingCoor();
+ y2 = trackParam->GetBendingCoor();
+ z2 = trackParam->GetZ();
+ pX2 = trackParam->Px();
+ pY2 = trackParam->Py();
+ pZ2 = trackParam->Pz();
+ p2 = trackParam->P();
+ pT2 = TMath::Sqrt(pX2*pX2 + pY2*pY2);
+ // printf(" Reconst. track at 1st cluster: x,y,z: %f %f %f px,py,pz: %f %f %f \n",x2,y2,z2,pX2,pY2,pZ2);
+
+ hResMomFirstCluster->Fill(p2-p1);
+ hResMomFirstClusterVsMom->Fill(p1,p2-p1);
+
+ // Fill residuals
+ // Loop over clusters of first track
+ AliMUONTrackParam* trackParamAtCluster1 = (AliMUONTrackParam*) trackMatched->GetTrackParamAtCluster()->First();
+ while (trackParamAtCluster1) {
+ AliMUONVCluster* cluster1 = trackParamAtCluster1->GetClusterPtr();
+ AliMUONTrackParam* trackParamAtCluster2 = (AliMUONTrackParam*) trackRef->GetTrackParamAtCluster()->First();
+ while (trackParamAtCluster2) {
+ AliMUONVCluster* cluster2 = trackParamAtCluster2->GetClusterPtr();
+ if (cluster1->GetDetElemId() == cluster2->GetDetElemId()) {
+ hResidualXInCh[cluster1->GetChamberId()]->Fill(cluster1->GetX() - cluster2->GetX());
+ hResidualYInCh[cluster1->GetChamberId()]->Fill(cluster1->GetY() - cluster2->GetY());
+ break;
+ }
+ trackParamAtCluster2 = (AliMUONTrackParam*) trackRef->GetTrackParamAtCluster()->After(trackParamAtCluster2);
+ }
+ trackParamAtCluster1 = (AliMUONTrackParam*) trackMatched->GetTrackParamAtCluster()->After(trackParamAtCluster1);
+ }
- hResMomVertex->Fill(p2-p1);
-
- trackParamAtHit = trackRef->GetTrackParamAtHit();
- trackParam = (AliMUONTrackParam*) trackParamAtHit->First();
- x1 = trackParam->GetNonBendingCoor();
- y1 = trackParam->GetBendingCoor();
- z1 = trackParam->GetZ();
- pX1 = trackParam->Px();
- pY1 = trackParam->Py();
- pZ1 = trackParam->Pz();
- p1 = trackParam->P();
-// printf(" Ref. track at 1st hit: x,y,z: %f %f %f px,py,pz: %f %f %f \n",x1,y1,z1,pX1,pY1,pZ1);
- trackParamAtHit = ((AliMUONTrack *) trackRecoArray->At(indexOK))->GetTrackParamAtHit();
- trackParam = (AliMUONTrackParam*) trackParamAtHit->First();
- x2 = trackParam->GetNonBendingCoor();
- y2 = trackParam->GetBendingCoor();
- z2 = trackParam->GetZ();
- pX2 = trackParam->Px();
- pY2 = trackParam->Py();
- pZ2 = trackParam->Pz();
- p2 = trackParam->P();
-// printf(" Reconst. track at 1st hit: x,y,z: %f %f %f px,py,pz: %f %f %f \n",x2,y2,z2,pX2,pY2,pZ2);
-
- hResMomFirstHit->Fill(p2-p1);
-
}
+
} // end loop track ref.
} // end loop on event
-
+
+ // compute momentum resolution versus p
+ for (Int_t i = 1; i <= hResMomVertexVsMom->GetNbinsX(); i++) {
+ TH1D *tmp = hResMomVertexVsMom->ProjectionY("tmp",i,i,"e");
+ Double_t p = hResMomVertexVsMom->GetBinCenter(i);
+ gResMomVertexVsMom->SetPoint(i-1,p,100.*tmp->GetRMS()/p);
+ gResMomVertexVsMom->SetPointError(i-1,hResMomVertexVsMom->GetBinWidth(i)/2.,100.*tmp->GetRMSError()/p);
+ delete tmp;
+ }
+ for (Int_t i = 1; i <= hResMomFirstClusterVsMom->GetNbinsX(); i++) {
+ TH1D *tmp = hResMomFirstClusterVsMom->ProjectionY("tmp",i,i,"e");
+ Double_t p = hResMomFirstClusterVsMom->GetBinCenter(i);
+ f->SetParameters(1.,0.,1.);
+ f->SetParLimits(0,0.,1.e3);
+ tmp->Fit("f","WWN");
+ gResMomFirstClusterVsMom->SetPoint(i-1,p,100.*f->GetParameter(2)/p);
+ gResMomFirstClusterVsMom->SetPointError(i-1,hResMomFirstClusterVsMom->GetBinWidth(i)/2.,100.*f->GetParError(2)/p);
+ delete tmp;
+ }
+
+ // compute residual mean and dispersion
+ for (Int_t i = 0; i < AliMUONConstants::NTrackingCh(); i++) {
+ hResidualXInCh[i]->GetXaxis()->SetRangeUser(-3.*hResidualXInCh[i]->GetRMS(), 3.*hResidualXInCh[i]->GetRMS());
+ gResidualXPerChMean->SetPoint(i, i+1, hResidualXInCh[i]->GetMean());
+ gResidualXPerChMean->SetPointError(i, 0., hResidualXInCh[i]->GetMeanError());
+ gResidualXPerChSigma->SetPoint(i, i+1, hResidualXInCh[i]->GetRMS());
+ gResidualXPerChSigma->SetPointError(i, 0., hResidualXInCh[i]->GetRMSError());
+ hResidualXInCh[i]->GetXaxis()->SetRange(0,0);
+ hResidualYInCh[i]->GetXaxis()->SetRangeUser(-3.*hResidualYInCh[i]->GetRMS(), 3.*hResidualYInCh[i]->GetRMS());
+ gResidualYPerChMean->SetPoint(i, i+1, hResidualYInCh[i]->GetMean());
+ gResidualYPerChMean->SetPointError(i, 0., hResidualYInCh[i]->GetMeanError());
+ gResidualYPerChSigma->SetPoint(i, i+1, hResidualYInCh[i]->GetRMS());
+ gResidualYPerChSigma->SetPointError(i, 0., hResidualYInCh[i]->GetRMSError());
+ hResidualYInCh[i]->GetXaxis()->SetRange(0,0);
+ }
+
printf(" nb of reconstructible tracks: %d \n", nReconstructibleTracks);
printf(" nb of reconstructed tracks: %d \n", nReconstructedTracks);
printf(" nb of reconstructible tracks which are reconstructed: %d \n", nReconstructibleTracksCheck);
histoFile->Write();
+ histoFile->cd();
+ gResMomVertexVsMom->Write();
+ gResMomFirstClusterVsMom->Write();
+ gResidualXPerChMean->Write();
+ gResidualXPerChSigma->Write();
+ gResidualYPerChMean->Write();
+ gResidualYPerChSigma->Write();
histoFile->Close();
}
-
-Int_t TrackCheck( Bool_t *compTrack)
-{
- // Apply reconstruction requirements
- // Return number of validated conditions
- // If all the tests are verified then TrackCheck = 4 (good track)
- Int_t iTrack = 0;
- Int_t hitsInLastStations = 0;
-
- // apply reconstruction requirements
- if (compTrack[0] || compTrack[1]) iTrack++; // at least one hit in st. 0
- if (compTrack[2] || compTrack[3]) iTrack++; // at least one hit in st. 1
- if (compTrack[4] || compTrack[5]) iTrack++; // at least one hit in st. 2
- for (Int_t ch = 6; ch < AliMUONConstants::NTrackingCh(); ch++) {
- if (compTrack[ch]) hitsInLastStations++;
- }
- if (hitsInLastStations > 2) iTrack++; // at least 3 hits in st. 3 & 4
-
- return iTrack;
-
-}
-
-
-
-
-
-
-
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff