//
////////////////////////////////////
-#include <Riostream.h> // for cout
-#include <stdlib.h> // for exit()
-
-#include <TTree.h>
+#include <stdlib.h>
+#include <Riostream.h>
+#include <TDirectory.h>
+#include <TFile.h>
+#include <TMatrixD.h> //AZ
-#include "AliMUON.h"
-//#include "AliMUONChamber.h"
#include "AliMUONEventReconstructor.h"
+#include "AliMUON.h"
+#include "AliMUONHit.h"
#include "AliMUONHitForRec.h"
#include "AliMUONTriggerTrack.h"
-//#include "AliMUONTriggerConstants.h"
#include "AliMUONTriggerCircuit.h"
#include "AliMUONRawCluster.h"
#include "AliMUONLocalTrigger.h"
#include "AliMUONTrackHit.h"
#include "AliMagF.h"
#include "AliRun.h" // for gAlice
-#include "AliConfig.h"
#include "AliRunLoader.h"
#include "AliLoader.h"
#include "AliMUONTrackK.h" //AZ
-#include <TMatrixD.h> //AZ
#include "AliMC.h"
+#include "AliLog.h"
//************* Defaults parameters for reconstruction
-static const Double_t kDefaultMinBendingMomentum = 3.0;
-static const Double_t kDefaultMaxBendingMomentum = 500.0;
-static const Double_t kDefaultMaxChi2 = 100.0;
-static const Double_t kDefaultMaxSigma2Distance = 16.0;
-static const Double_t kDefaultBendingResolution = 0.01;
-static const Double_t kDefaultNonBendingResolution = 0.144;
-static const Double_t kDefaultChamberThicknessInX0 = 0.03;
+const Double_t AliMUONEventReconstructor::fgkDefaultMinBendingMomentum = 3.0;
+const Double_t AliMUONEventReconstructor::fgkDefaultMaxBendingMomentum = 500.0;
+const Double_t AliMUONEventReconstructor::fgkDefaultMaxChi2 = 100.0;
+const Double_t AliMUONEventReconstructor::fgkDefaultMaxSigma2Distance = 16.0;
+const Double_t AliMUONEventReconstructor::fgkDefaultBendingResolution = 0.01;
+const Double_t AliMUONEventReconstructor::fgkDefaultNonBendingResolution = 0.144;
+const Double_t AliMUONEventReconstructor::fgkDefaultChamberThicknessInX0 = 0.03;
// Simple magnetic field:
// Value taken from macro MUONtracking.C: 0.7 T, hence 7 kG
// Length and Position from reco_muon.F, with opposite sign:
// Length = ZMAGEND-ZCOIL
// Position = (ZMAGEND+ZCOIL)/2
// to be ajusted differently from real magnetic field ????
-static const Double_t kDefaultSimpleBValue = 7.0;
-static const Double_t kDefaultSimpleBLength = 428.0;
-static const Double_t kDefaultSimpleBPosition = 1019.0;
-static const Int_t kDefaultRecGeantHits = 0;
-static const Double_t kDefaultEfficiency = 0.95;
+const Double_t AliMUONEventReconstructor::fgkDefaultSimpleBValue = 7.0;
+const Double_t AliMUONEventReconstructor::fgkDefaultSimpleBLength = 428.0;
+const Double_t AliMUONEventReconstructor::fgkDefaultSimpleBPosition = 1019.0;
+const Int_t AliMUONEventReconstructor::fgkDefaultRecGeantHits = 0;
+const Double_t AliMUONEventReconstructor::fgkDefaultEfficiency = 0.95;
-static const Int_t kDefaultPrintLevel = -1;
+const Int_t AliMUONEventReconstructor::fgkDefaultPrintLevel = -1;
ClassImp(AliMUONEventReconstructor) // Class implementation in ROOT context
//__________________________________________________________________________
AliMUONEventReconstructor::AliMUONEventReconstructor(AliLoader* loader)
+ : TObject()
{
// Constructor for class AliMUONEventReconstructor
SetReconstructionParametersToDefaults();
fNHitsForRec = 0; // really needed or GetEntriesFast sufficient ????
// Memory allocation for the TClonesArray's of segments in stations
// Is 2000 the right size ????
- for (Int_t st = 0; st < kMaxMuonTrackingStations; st++) {
+ for (Int_t st = 0; st < fgkMaxMuonTrackingStations; st++) {
fSegmentsPtr[st] = new TClonesArray("AliMUONSegment", 2000);
fNSegments[st] = 0; // really needed or GetEntriesFast sufficient ????
}
fNRecTriggerTracks = 0; // really needed or GetEntriesFast sufficient ????
// Memory allocation for the TClonesArray of hits on reconstructed tracks
// Is 100 the right size ????
- fRecTrackHitsPtr = new TClonesArray("AliMUONTrack", 100);
+ //AZ fRecTrackHitsPtr = new TClonesArray("AliMUONTrack", 100);
+ fRecTrackHitsPtr = new TClonesArray("AliMUONTrackHit", 100);
fNRecTrackHits = 0; // really needed or GetEntriesFast sufficient ????
// Sign of fSimpleBValue according to sign of Bx value at (50,50,-950).
return;
}
//__________________________________________________________________________
-AliMUONEventReconstructor::AliMUONEventReconstructor (const AliMUONEventReconstructor& Reconstructor):TObject(Reconstructor)
+AliMUONEventReconstructor::AliMUONEventReconstructor (const AliMUONEventReconstructor& rhs)
+ : TObject(rhs)
{
- // Dummy copy constructor
+// Protected copy constructor
+
+ AliFatal("Not implemented.");
}
-AliMUONEventReconstructor & AliMUONEventReconstructor::operator=(const AliMUONEventReconstructor& /*Reconstructor*/)
+AliMUONEventReconstructor &
+AliMUONEventReconstructor::operator=(const AliMUONEventReconstructor& rhs)
{
- // Dummy assignment operator
- return *this;
+// Protected assignement operator
+
+ if (this == &rhs) return *this;
+
+ AliFatal("Not implemented.");
+
+ return *this;
}
//__________________________________________________________________________
// if (fEventTree) delete fEventTree;
if (fRecoEvent) delete fRecoEvent;
delete fHitsForRecPtr; // Correct destruction of everything ???? or delete [] ????
- for (Int_t st = 0; st < kMaxMuonTrackingStations; st++)
+ for (Int_t st = 0; st < fgkMaxMuonTrackingStations; st++)
delete fSegmentsPtr[st]; // Correct destruction of everything ????
return;
}
{
// Set reconstruction parameters to default values
// Would be much more convenient with a structure (or class) ????
- fMinBendingMomentum = kDefaultMinBendingMomentum;
- fMaxBendingMomentum = kDefaultMaxBendingMomentum;
- fMaxChi2 = kDefaultMaxChi2;
- fMaxSigma2Distance = kDefaultMaxSigma2Distance;
+ fMinBendingMomentum = fgkDefaultMinBendingMomentum;
+ fMaxBendingMomentum = fgkDefaultMaxBendingMomentum;
+ fMaxChi2 = fgkDefaultMaxChi2;
+ fMaxSigma2Distance = fgkDefaultMaxSigma2Distance;
AliMUON *pMUON = (AliMUON*) gAlice->GetModule("MUON");
// ******** Parameters for making HitsForRec
// like in TRACKF_STAT:
// 2 degrees for stations 1 and 2, or ch(0...) from 0 to 3;
// 30 cm for stations 3 to 5, or ch(0...) from 4 to 9
- for (Int_t ch = 0; ch < kMaxMuonTrackingChambers; ch++) {
+ for (Int_t ch = 0; ch < fgkMaxMuonTrackingChambers; ch++) {
if (ch < 4) fRMin[ch] = TMath::Abs((&(pMUON->Chamber(ch)))->Z()) *
2.0 * TMath::Pi() / 180.0;
else fRMin[ch] = 30.0;
// Maximum distance in non bending plane
// 5 * 0.22 just to remember the way it was made in TRACKF_STAT
// SIGCUT*DYMAX(IZ)
- for (Int_t st = 0; st < kMaxMuonTrackingStations; st++)
+ for (Int_t st = 0; st < fgkMaxMuonTrackingStations; st++)
fSegmentMaxDistNonBending[st] = 5. * 0.22;
// Maximum distance in bending plane:
// values from TRACKF_STAT, corresponding to (J psi 20cm),
// scaled to the real distance between chambers in a station
fSegmentMaxDistBending[0] = TMath::Abs( 1.5 *
((&(pMUON->Chamber(1)))->Z() - (&(pMUON->Chamber(0)))->Z()) / 20.0);
- fSegmentMaxDistBending[1] = TMath::Abs( 1.5 *
+ fSegmentMaxDistBending[1] = TMath::Abs( 1.5 *
((&(pMUON->Chamber(3)))->Z() - (&(pMUON->Chamber(2)))->Z()) / 20.0);
- fSegmentMaxDistBending[2] = TMath::Abs( 3.0 *
+ fSegmentMaxDistBending[2] = TMath::Abs( 3.0 *
((&(pMUON->Chamber(5)))->Z() - (&(pMUON->Chamber(4)))->Z()) / 20.0);
- fSegmentMaxDistBending[3] = TMath::Abs( 6.0 *
+ fSegmentMaxDistBending[3] = TMath::Abs( 6.0 *
((&(pMUON->Chamber(7)))->Z() - (&(pMUON->Chamber(6)))->Z()) / 20.0);
- fSegmentMaxDistBending[4] = TMath::Abs( 6.0 *
+ fSegmentMaxDistBending[4] = TMath::Abs( 6.0 *
((&(pMUON->Chamber(9)))->Z() - (&(pMUON->Chamber(8)))->Z()) / 20.0);
- fBendingResolution = kDefaultBendingResolution;
- fNonBendingResolution = kDefaultNonBendingResolution;
- fChamberThicknessInX0 = kDefaultChamberThicknessInX0;
- fSimpleBValue = kDefaultSimpleBValue;
- fSimpleBLength = kDefaultSimpleBLength;
- fSimpleBPosition = kDefaultSimpleBPosition;
- fRecGeantHits = kDefaultRecGeantHits;
- fEfficiency = kDefaultEfficiency;
- fPrintLevel = kDefaultPrintLevel;
+ fBendingResolution = fgkDefaultBendingResolution;
+ fNonBendingResolution = fgkDefaultNonBendingResolution;
+ fChamberThicknessInX0 = fgkDefaultChamberThicknessInX0;
+ fSimpleBValue = fgkDefaultSimpleBValue;
+ fSimpleBLength = fgkDefaultSimpleBLength;
+ fSimpleBPosition = fgkDefaultSimpleBPosition;
+ fRecGeantHits = fgkDefaultRecGeantHits;
+ fEfficiency = fgkDefaultEfficiency;
+ fPrintLevel = fgkDefaultPrintLevel;
return;
}
sprintf(treeName, "TreeK%d", fBkgGeantEventNumber);
fBkgGeantTK = (TTree*)gDirectory->Get(treeName);
if (!fBkgGeantTK) {
- cout << "ERROR: cannot find Kine Tree for background event: " <<
- fBkgGeantEventNumber << endl;
- exit(0);
+ AliError(Form("cannot find Kine Tree for background event: %d",fBkgGeantEventNumber));
+ exit(0);
}
}
if (fBkgGeantTK)
sprintf(treeName, "TreeH%d", fBkgGeantEventNumber);
fBkgGeantTH = (TTree*)gDirectory->Get(treeName);
if (!fBkgGeantTH) {
- cout << "ERROR: cannot find Hits Tree for background event: " <<
- fBkgGeantEventNumber << endl;
+ AliError(Form("cannot find Hits Tree for background event: %d",fBkgGeantEventNumber));
exit(0);
}
if (fBkgGeantTH && fBkgGeantHits) {
// and the index of the first HitForRec per chamber
if (fHitsForRecPtr) fHitsForRecPtr->Clear();
fNHitsForRec = 0;
- for (Int_t ch = 0; ch < kMaxMuonTrackingChambers; ch++)
+ for (Int_t ch = 0; ch < fgkMaxMuonTrackingChambers; ch++)
fNHitsForRecPerChamber[ch] = fIndexOfFirstHitForRecPerChamber[ch] = 0;
return;
}
{
// To reset the TClonesArray of segments and the number of Segments
// for all stations
- for (Int_t st = 0; st < kMaxMuonTrackingStations; st++) {
+ for (Int_t st = 0; st < fgkMaxMuonTrackingStations; st++) {
if (fSegmentsPtr[st]) fSegmentsPtr[st]->Clear();
fNSegments[st] = 0;
}
// To make the list of hits to be reconstructed,
// either from the GEANT hits or from the raw clusters
// according to the parameter set for the reconstructor
-// TString evfoldname = AliConfig::fgkDefaultEventFolderName;//to be interfaced properly
+// TString evfoldname = AliConfig::GetDefaultEventFolderName();//to be interfaced properly
// AliRunLoader* rl = AliRunLoader::GetRunLoader(evfoldname);
// if (rl == 0x0)
Int_t retval = fLoader->LoadHits();
if ( retval)
{
- Error("MakeEventToBeReconstructed","Error occured while loading hits.");
+ AliError("Error occured while loading hits.");
return;
}
treeH = fLoader->TreeH();
if (treeH == 0x0)
{
- Error("MakeEventToBeReconstructed","Can not get TreeH");
+ AliError("Can not get TreeH");
return;
}
}
if (fPrintLevel >= 10) {
cout << "end of MakeEventToBeReconstructed" << endl;
cout << "NHitsForRec: " << fNHitsForRec << endl;
- for (Int_t ch = 0; ch < kMaxMuonTrackingChambers; ch++) {
+ for (Int_t ch = 0; ch < fgkMaxMuonTrackingChambers; ch++) {
cout << "chamber(0...): " << ch
<< " NHitsForRec: " << fNHitsForRecPerChamber[ch]
<< " index(first HitForRec): " << fIndexOfFirstHitForRecPerChamber[ch]
Double_t bendCoor, nonBendCoor, radius;
Int_t chamber = Hit->Chamber() - 1; // chamber(0...)
// only in tracking chambers (fChamber starts at 1)
- if (chamber >= kMaxMuonTrackingChambers) return NULL;
+ if (chamber >= fgkMaxMuonTrackingChambers) return NULL;
// only if hit is efficient (keep track for checking ????)
if (gRandom->Rndm() > fEfficiency) return NULL;
// only if radius between RMin and RMax
// Update the information for HitsForRec per chamber too.
Int_t ch, nhits, prevch;
fHitsForRecPtr->Sort();
- for (ch = 0; ch < kMaxMuonTrackingChambers; ch++) {
+ for (ch = 0; ch < fgkMaxMuonTrackingChambers; ch++) {
fNHitsForRecPerChamber[ch] = 0;
fIndexOfFirstHitForRecPerChamber[ch] = 0;
}
// AliMUON *MUON = (AliMUON*) gAlice->GetModule("MUON"); // necessary ????
// // Security on MUON ????
// // Loop over tracking chambers
-// for (Int_t ch = 0; ch < kMaxMuonTrackingChambers; ch++) {
+// for (Int_t ch = 0; ch < fgkMaxMuonTrackingChambers; ch++) {
// // number of HitsForRec to 0 for the chamber
// fNHitsForRecPerChamber[ch] = 0;
// // index of first HitForRec for the chamber
TClonesArray *rawclusters;
if (fPrintLevel >= 1) cout << "enter AddHitsForRecFromRawClusters" << endl;
-// TString evfoldname = AliConfig::fgkDefaultEventFolderName;//to be interfaced properly
+// TString evfoldname = AliConfig::GetDefaultEventFolderName();//to be interfaced properly
// AliRunLoader* rl = AliRunLoader::GetRunLoader(evfoldname);
// if (rl == 0x0)
// {
nTRentries = Int_t(TR->GetEntries());
if (nTRentries != 1) {
- cout << "Error in AliMUONEventReconstructor::AddHitsForRecFromRawClusters"
- << endl;
- cout << "nTRentries = " << nTRentries << " not equal to 1" << endl;
+ AliError(Form("nTRentries = %d not equal to 1 ",nTRentries));
exit(0);
}
fLoader->TreeR()->GetEvent(0); // only one entry
// Loop over tracking chambers
- for (Int_t ch = 0; ch < kMaxMuonTrackingChambers; ch++) {
+ for (Int_t ch = 0; ch < fgkMaxMuonTrackingChambers; ch++) {
// number of HitsForRec to 0 for the chamber
fNHitsForRecPerChamber[ch] = 0;
// index of first HitForRec for the chamber
hitForRec->SetChamberNumber(ch);
hitForRec->SetHitNumber(iclus);
// Z coordinate of the raw cluster (cm)
- hitForRec->SetZ(clus->fZ[0]);
+ hitForRec->SetZ(clus->GetZ(0));
if (fPrintLevel >= 10) {
cout << "chamber (0...): " << ch <<
" raw cluster (0...): " << iclus << endl;
ResetSegments();
// Loop over stations
Int_t nb = (fTrackMethod == 2) ? 3 : 0; //AZ
- //AZ for (Int_t st = 0; st < kMaxMuonTrackingStations; st++)
- for (Int_t st = nb; st < kMaxMuonTrackingStations; st++) //AZ
+ //AZ for (Int_t st = 0; st < fgkMaxMuonTrackingStations; st++)
+ for (Int_t st = nb; st < fgkMaxMuonTrackingStations; st++) //AZ
MakeSegmentsPerStation(st);
if (fPrintLevel >= 10) {
cout << "end of MakeSegments" << endl;
- for (Int_t st = 0; st < kMaxMuonTrackingStations; st++) {
+ for (Int_t st = 0; st < fgkMaxMuonTrackingStations; st++) {
cout << "station(0...): " << st
<< " Segments: " << fNSegments[st]
<< endl;
Bool_t last2st;
Double_t bendingSlope, distBend, distNonBend, extBendCoor, extNonBendCoor,
impactParam = 0., maxImpactParam = 0., minImpactParam = 0.; // =0 to avoid compilation warnings.
- AliMUON *pMUON = (AliMUON*) gAlice->GetModule("MUON"); // necessary ????
if (fPrintLevel >= 1)
cout << "enter MakeSegmentsPerStation (0...) " << Station << endl;
// first and second chambers (0...) in the station
else last2st = kFALSE;
// extrapolation factor from Z of first chamber to Z of second chamber
// dZ to be changed to take into account fine structure of chambers ????
- Double_t extrapFact =
- (&(pMUON->Chamber(ch2)))->Z() / (&(pMUON->Chamber(ch1)))->Z();
+ Double_t extrapFact;
// index for current segment
Int_t segmentIndex = 0;
// Loop over HitsForRec in the first chamber of the station
// extrapolation,
// on the straight line joining the HitForRec to the vertex (0,0,0),
// to the Z of the second chamber of the station
- extBendCoor = extrapFact * hit1Ptr->GetBendingCoor();
- extNonBendCoor = extrapFact * hit1Ptr->GetNonBendingCoor();
// Loop over HitsForRec in the second chamber of the station
for (Int_t hit2 = fIndexOfFirstHitForRecPerChamber[ch2];
hit2 < fIndexOfFirstHitForRecPerChamber[ch2] + fNHitsForRecPerChamber[ch2];
// absolute values of distances, in bending and non bending planes,
// between the HitForRec in the second chamber
// and the previous extrapolation
+ extrapFact = hit2Ptr->GetZ()/ hit1Ptr->GetZ();
+ extBendCoor = extrapFact * hit1Ptr->GetBendingCoor();
+ extNonBendCoor = extrapFact * hit1Ptr->GetNonBendingCoor();
distBend = TMath::Abs(hit2Ptr->GetBendingCoor() - extBendCoor);
distNonBend = TMath::Abs(hit2Ptr->GetNonBendingCoor() - extNonBendCoor);
if (last2st) {
ResetTrackHits();
if (fTrackMethod == 2) { //AZ - Kalman filter
MakeTrackCandidatesK();
+ if (fRecTracksPtr->GetEntriesFast() == 0) return;
// Follow tracks in stations(1..) 3, 2 and 1
FollowTracksK();
// Remove double tracks
RemoveDoubleTracksK();
// Propagate tracks to the vertex thru absorber
GoToVertex();
+ // Fill AliMUONTrack data members
+ FillMUONTrack();
} else {
// Look for candidates from at least 3 aligned points in stations(1..) 4 and 5
MakeTrackCandidates();
// Remove double tracks
RemoveDoubleTracks();
UpdateTrackParamAtHit();
+ UpdateHitForRecAtHit();
}
return;
}
//__________________________________________________________________________
void AliMUONEventReconstructor::ValidateTracksWithTrigger(void)
{
+ // Try to match track from tracking system with trigger track
AliMUONTrack *track;
- TClonesArray *recTriggerTracks = fMUONData->RecTriggerTracks();
- if (recTriggerTracks == 0x0) {
- fMUONData->SetTreeAddress("RL");
- fMUONData->GetRecTriggerTracks();
- recTriggerTracks = fMUONData->RecTriggerTracks();
- }
+ TClonesArray *recTriggerTracks;
+
+ fMUONData->ResetRecTriggerTracks();
+ fMUONData->SetTreeAddress("RL");
+ fMUONData->GetRecTriggerTracks();
+ recTriggerTracks = fMUONData->RecTriggerTracks();
+
track = (AliMUONTrack*) fRecTracksPtr->First();
while (track) {
track->MatchTriggerTrack(recTriggerTracks);
track = (AliMUONTrack*) fRecTracksPtr->After(track);
- }
+ }
+
}
//__________________________________________________________________________
AliMUONTriggerCircuit *circuit;
AliMUONTriggerTrack *recTriggerTrack = 0;
- TTree* TR = fLoader->TreeR();
+ TTree* treeR = fLoader->TreeR();
// Loading MUON subsystem
AliMUON * pMUON = (AliMUON *) gAlice->GetDetector("MUON");
- nTRentries = Int_t(TR->GetEntries());
+ nTRentries = Int_t(treeR->GetEntries());
- TR->GetEvent(0); // only one entry
+ treeR->GetEvent(0); // only one entry
if (!(fMUONData->IsTriggerBranchesInTree())) {
- cout << "Warning in AliMUONEventReconstructor::MakeTriggerTracks"
- << endl;
- cout << "Trigger information is not avalaible, nTRentries = " << nTRentries << " not equal to 1" << endl;
+ AliWarning(Form("Trigger information is not avalaible, nTRentries = %d not equal to 1",nTRentries));
return kFALSE;
}
- fMUONData->SetTreeAddress("GLT");
+ fMUONData->SetTreeAddress("TC");
fMUONData->GetTrigger();
// global trigger for trigger pattern
gloTrigPat = 0;
globalTrigger = fMUONData->GlobalTrigger();
gloTrg = (AliMUONGlobalTrigger*)globalTrigger->UncheckedAt(0);
- if (gloTrg->SinglePlusLpt()) gloTrigPat|= 0x1;
- if (gloTrg->SinglePlusHpt()) gloTrigPat|= 0x2;
- if (gloTrg->SinglePlusApt()) gloTrigPat|= 0x4;
-
- if (gloTrg->SingleMinusLpt()) gloTrigPat|= 0x8;
- if (gloTrg->SingleMinusHpt()) gloTrigPat|= 0x10;
- if (gloTrg->SingleMinusApt()) gloTrigPat|= 0x20;
-
- if (gloTrg->SingleUndefLpt()) gloTrigPat|= 0x40;
- if (gloTrg->SingleUndefHpt()) gloTrigPat|= 0x80;
- if (gloTrg->SingleUndefApt()) gloTrigPat|= 0x100;
-
- if (gloTrg->PairUnlikeLpt()) gloTrigPat|= 0x200;
- if (gloTrg->PairUnlikeHpt()) gloTrigPat|= 0x400;
- if (gloTrg->PairUnlikeApt()) gloTrigPat|= 0x800;
-
- if (gloTrg->PairLikeLpt()) gloTrigPat|= 0x1000;
- if (gloTrg->PairLikeHpt()) gloTrigPat|= 0x2000;
- if (gloTrg->PairLikeApt()) gloTrigPat|= 0x4000;
+ if (gloTrg) {
+ if (gloTrg->SinglePlusLpt()) gloTrigPat|= 0x1;
+ if (gloTrg->SinglePlusHpt()) gloTrigPat|= 0x2;
+ if (gloTrg->SinglePlusApt()) gloTrigPat|= 0x4;
+
+ if (gloTrg->SingleMinusLpt()) gloTrigPat|= 0x8;
+ if (gloTrg->SingleMinusHpt()) gloTrigPat|= 0x10;
+ if (gloTrg->SingleMinusApt()) gloTrigPat|= 0x20;
+
+ if (gloTrg->SingleUndefLpt()) gloTrigPat|= 0x40;
+ if (gloTrg->SingleUndefHpt()) gloTrigPat|= 0x80;
+ if (gloTrg->SingleUndefApt()) gloTrigPat|= 0x100;
+
+ if (gloTrg->PairUnlikeLpt()) gloTrigPat|= 0x200;
+ if (gloTrg->PairUnlikeHpt()) gloTrigPat|= 0x400;
+ if (gloTrg->PairUnlikeApt()) gloTrigPat|= 0x800;
+
+ if (gloTrg->PairLikeLpt()) gloTrigPat|= 0x1000;
+ if (gloTrg->PairLikeHpt()) gloTrigPat|= 0x2000;
+ if (gloTrg->PairLikeApt()) gloTrigPat|= 0x4000;
+ }
// the first segment being pointed to by "BegSegment".
// Returns the number of such track candidates.
Int_t endStation, iEndSegment, nbCan2Seg;
- AliMUONSegment *endSegment, *extrapSegment;
+ AliMUONSegment *endSegment;
+ AliMUONSegment *extrapSegment = NULL;
AliMUONTrack *recTrack;
Double_t mcsFactor;
if (fPrintLevel >= 1) cout << "enter MakeTrackCandidatesWithTwoSegments" << endl;
GetBendingMomentumFromImpactParam(BegSegment->GetBendingImpact());
mcsFactor = fChamberThicknessInX0 * mcsFactor * mcsFactor;
// linear extrapolation to end station
- extrapSegment =
- BegSegment->CreateSegmentFromLinearExtrapToStation(endStation, mcsFactor);
// number of candidates with 2 segments to 0
nbCan2Seg = 0;
// Loop over segments in the end station
endSegment = (AliMUONSegment*) ((*fSegmentsPtr[endStation])[iEndSegment]);
// test compatibility between current segment and "extrapSegment"
// 4 because 4 quantities in chi2
+ extrapSegment =
+ BegSegment->CreateSegmentFromLinearExtrapToStation(endSegment->GetZ(), mcsFactor);
if ((endSegment->
NormalizedChi2WithSegment(extrapSegment,
fMaxSigma2Distance)) <= 4.0) {
// in stations(1..) 4 and 5,
// the segment being pointed to by "BegSegment".
Int_t ch, ch1, ch2, endStation, iHit, iHitMax, iHitMin, nbCan1Seg1Hit;
- AliMUONHitForRec *extrapHitForRec, *hit;
+ AliMUONHitForRec *extrapHitForRec= NULL;
+ AliMUONHitForRec *hit;
AliMUONTrack *recTrack;
Double_t mcsFactor;
if (fPrintLevel >= 1)
nbCan1Seg1Hit = 0;
// Loop over chambers of the end station
for (ch = ch2; ch >= ch1; ch--) {
- // linear extrapolation to chamber
- extrapHitForRec =
- BegSegment->CreateHitForRecFromLinearExtrapToChamber(ch, mcsFactor);
// limits for the hit index in the loop
iHitMin = fIndexOfFirstHitForRecPerChamber[ch];
iHitMax = iHitMin + fNHitsForRecPerChamber[ch];
hit = (AliMUONHitForRec*) ((*fHitsForRecPtr)[iHit]);
// test compatibility between current HitForRec and "extrapHitForRec"
// 2 because 2 quantities in chi2
+ // linear extrapolation to chamber
+ extrapHitForRec =
+ BegSegment->CreateHitForRecFromLinearExtrapToChamber( hit->GetZ(), mcsFactor);
if ((hit->
NormalizedChi2WithHitForRec(extrapHitForRec,
fMaxSigma2Distance)) <= 2.0) {
{
// Follow tracks in stations(1..) 3, 2 and 1
// too long: should be made more modular !!!!
- AliMUONHitForRec *bestHit, *extrapHit, *extrapCorrHit, *hit;
- AliMUONSegment *bestSegment, *extrapSegment, *extrapCorrSegment, *segment;
+ AliMUONHitForRec *bestHit, *extrapHit, *hit;
+ AliMUONSegment *bestSegment, *extrapSegment, *segment;
AliMUONTrack *track, *nextTrack;
AliMUONTrackParam *trackParam1, trackParam[2], trackParamVertex;
// -1 to avoid compilation warnings
// extrapolation to station
trackParam1->ExtrapToStation(station, trackParam);
extrapSegment = new AliMUONSegment(); // empty segment
- extrapCorrSegment = new AliMUONSegment(); // empty corrected segment
// multiple scattering factor corresponding to one chamber
// and momentum in bending plane (not total)
mcsFactor = 0.0136 * trackParam1->GetInverseBendingMomentum();
extrapSegment->UpdateFromStationTrackParam
(trackParam, mcsFactor, dZ1, dZ2, dZ3, station,
trackParam1->GetInverseBendingMomentum());
- // same thing for corrected segment
- // better to use copy constructor, after checking that it works properly !!!!
- extrapCorrSegment->SetBendingCoorReso2(fBendingResolution * fBendingResolution);
- extrapCorrSegment->
- SetNonBendingCoorReso2(fNonBendingResolution * fNonBendingResolution);
- extrapCorrSegment->UpdateFromStationTrackParam
- (trackParam, mcsFactor, dZ1, dZ2, dZ3, station,
- trackParam1->GetInverseBendingMomentum());
bestChi2 = 5.0;
bestSegment = NULL;
if (fPrintLevel >= 10) {
segment = (AliMUONSegment*) ((*fSegmentsPtr[station])[iSegment]);
// correction of corrected segment (fBendingCoor and fNonBendingCoor)
// according to real Z value of "segment" and slopes of "extrapSegment"
- extrapCorrSegment->
- SetBendingCoor(extrapSegment->GetBendingCoor() +
- extrapSegment->GetBendingSlope() *
- (segment->GetHitForRec1()->GetZ() -
- (&(pMUON->Chamber(2 * station)))->Z()));
- extrapCorrSegment->
- SetNonBendingCoor(extrapSegment->GetNonBendingCoor() +
- extrapSegment->GetNonBendingSlope() *
- (segment->GetHitForRec1()->GetZ() -
- (&(pMUON->Chamber(2 * station)))->Z()));
+ (&(trackParam[0]))->ExtrapToZ(segment->GetZ());
+ (&(trackParam[1]))->ExtrapToZ(segment->GetZ());
+ extrapSegment->SetBendingCoor((&(trackParam[0]))->GetBendingCoor());
+ extrapSegment->SetNonBendingCoor((&(trackParam[0]))->GetNonBendingCoor());
+ extrapSegment->SetBendingSlope((&(trackParam[0]))->GetBendingSlope());
+ extrapSegment->SetNonBendingSlope((&(trackParam[0]))->GetNonBendingSlope());
chi2 = segment->
- NormalizedChi2WithSegment(extrapCorrSegment, maxSigma2Distance);
+ NormalizedChi2WithSegment(extrapSegment, maxSigma2Distance);
if (chi2 < bestChi2) {
// update best Chi2 and Segment if better found
bestSegment = segment;
}
if (bestSegment) {
// best segment found: add it to track candidate
+ (&(trackParam[0]))->ExtrapToZ(bestSegment->GetZ());
+ (&(trackParam[1]))->ExtrapToZ(bestSegment->GetZ());
track->AddSegment(bestSegment);
// set track parameters at these two TrakHit's
track->SetTrackParamAtHit(track->GetNTrackHits() - 2, &(trackParam[0]));
// should consider all possibilities ????
// multiple scattering ???? do about like for extrapSegment !!!!
extrapHit = new AliMUONHitForRec(); // empty hit
- extrapCorrHit = new AliMUONHitForRec(); // empty corrected hit
bestChi2 = 3.0;
bestHit = NULL;
if (fPrintLevel >= 10) {
}
// Loop over chambers of the station
for (chInStation = 0; chInStation < 2; chInStation++) {
- // coordinates of extrapolated hit
- extrapHit->
- SetBendingCoor((&(trackParam[chInStation]))->GetBendingCoor());
- extrapHit->
- SetNonBendingCoor((&(trackParam[chInStation]))->GetNonBendingCoor());
- // resolutions from "extrapSegment"
- extrapHit->SetBendingReso2(extrapSegment->GetBendingCoorReso2());
- extrapHit->SetNonBendingReso2(extrapSegment->GetNonBendingCoorReso2());
- // same things for corrected hit
- // better to use copy constructor, after checking that it works properly !!!!
- extrapCorrHit->
- SetBendingCoor((&(trackParam[chInStation]))->GetBendingCoor());
- extrapCorrHit->
- SetNonBendingCoor((&(trackParam[chInStation]))->GetNonBendingCoor());
- extrapHit->SetBendingReso2(extrapSegment->GetBendingCoorReso2());
- extrapHit->SetNonBendingReso2(extrapSegment->GetNonBendingCoorReso2());
- // Loop over hits in the chamber
ch = 2 * station + chInStation;
for (iHit = fIndexOfFirstHitForRecPerChamber[ch];
iHit < fIndexOfFirstHitForRecPerChamber[ch] +
fNHitsForRecPerChamber[ch];
iHit++) {
hit = (AliMUONHitForRec*) ((*fHitsForRecPtr)[iHit]);
- // correction of corrected hit (fBendingCoor and fNonBendingCoor)
- // according to real Z value of "hit" and slopes of right "trackParam"
- extrapCorrHit->
- SetBendingCoor((&(trackParam[chInStation]))->GetBendingCoor() +
- (&(trackParam[chInStation]))->GetBendingSlope() *
- (hit->GetZ() -
- (&(trackParam[chInStation]))->GetZ()));
- extrapCorrHit->
- SetNonBendingCoor((&(trackParam[chInStation]))->GetNonBendingCoor() +
- (&(trackParam[chInStation]))->GetNonBendingSlope() *
- (hit->GetZ() -
- (&(trackParam[chInStation]))->GetZ()));
+ // coordinates of extrapolated hit
+ (&(trackParam[chInStation]))->ExtrapToZ(hit->GetZ());
+ extrapHit->
+ SetBendingCoor((&(trackParam[chInStation]))->GetBendingCoor());
+ extrapHit->
+ SetNonBendingCoor((&(trackParam[chInStation]))->GetNonBendingCoor());
+ // resolutions from "extrapSegment"
+ extrapHit->SetBendingReso2(extrapSegment->GetBendingCoorReso2());
+ extrapHit->SetNonBendingReso2(extrapSegment->GetNonBendingCoorReso2());
+ // Loop over hits in the chamber
// condition for hit not already in segment ????
chi2 = hit->NormalizedChi2WithHitForRec(extrapHit, maxSigma2Distance);
if (chi2 < bestChi2) {
}
if (bestHit) {
// best hit found: add it to track candidate
+ (&(trackParam[chBestHit]))->ExtrapToZ(bestHit->GetZ());
track->AddHitForRec(bestHit);
// set track parameters at this TrackHit
track->SetTrackParamAtHit(track->GetNTrackHits() - 1,
// and corresponding TrackHit's, ...
track->Remove();
delete extrapSegment;
- delete extrapCorrSegment;
delete extrapHit;
- delete extrapCorrHit;
break; // stop the search for this candidate:
// exit from the loop over station
}
delete extrapHit;
- delete extrapCorrHit;
}
delete extrapSegment;
- delete extrapCorrSegment;
// Sort track hits according to increasing Z
track->GetTrackHitsPtr()->Sort();
// Update track parameters at first track hit (smallest Z)
// after going through the first station
if (station == 0) {
trackParamVertex = *trackParam1;
- (&trackParamVertex)->ExtrapToVertex();
+ (&trackParamVertex)->ExtrapToVertex(0.,0.,0.);
track->SetTrackParamAtVertex(&trackParamVertex);
if (fPrintLevel >= 1) {
cout << "FollowTracks: track candidate(0..): " << trackIndex
return;
}
+ //__________________________________________________________________________
+void AliMUONEventReconstructor::UpdateHitForRecAtHit()
+{
+ // Set cluster parameterss after track fitting. Fill fHitForRecAtHit of AliMUONTrack's
+ AliMUONTrack *track;
+ AliMUONTrackHit *trackHit;
+ AliMUONHitForRec *hitForRec;
+ track = (AliMUONTrack*) fRecTracksPtr->First();
+ while (track) {
+ trackHit = (AliMUONTrackHit*) (track->GetTrackHitsPtr())->First();
+ while (trackHit) {
+ hitForRec = trackHit->GetHitForRecPtr();
+ track->AddHitForRecAtHit(hitForRec);
+ trackHit = (AliMUONTrackHit*) (track->GetTrackHitsPtr())->After(trackHit);
+ } // trackHit
+ track = (AliMUONTrack*) fRecTracksPtr->After(track);
+ } // track
+ return;
+}
+
+ //__________________________________________________________________________
+void AliMUONEventReconstructor::FillMUONTrack()
+{
+ // Set track parameters at hits for Kalman track. Fill fTrackParamAtHit of AliMUONTrack's
+ AliMUONTrackK *track;
+ track = (AliMUONTrackK*) fRecTracksPtr->First();
+ while (track) {
+ track->FillMUONTrack();
+ track = (AliMUONTrackK*) fRecTracksPtr->After(track);
+ }
+ return;
+}
+
//__________________________________________________________________________
void AliMUONEventReconstructor::EventDump(void)
{
void AliMUONEventReconstructor::FollowTracksK(void)
{
// Follow tracks using Kalman filter
- Bool_t Ok;
- Int_t icand, ichamBeg, ichamEnd, chamBits;
+ Bool_t ok;
+ Int_t icand, ichamBeg = 0, ichamEnd, chamBits;
Double_t zDipole1, zDipole2;
AliMUONTrackK *trackK;
AliMUONHitForRec *hit;
AliMUONRawCluster *clus;
TClonesArray *rawclusters;
- AliMUON *pMUON;
clus = 0; rawclusters = 0;
- zDipole1 = GetSimpleBPosition() - GetSimpleBLength()/2;
- zDipole2 = zDipole1 + GetSimpleBLength();
+ //AZ(z->-z) zDipole1 = GetSimpleBPosition() - GetSimpleBLength()/2;
+ //AZ(z->-z) zDipole2 = zDipole1 + GetSimpleBLength();
+ zDipole1 = GetSimpleBPosition() + GetSimpleBLength()/2;
+ zDipole2 = zDipole1 - GetSimpleBLength();
// Print hits
- pMUON = (AliMUON*) gAlice->GetModule("MUON");
- for (Int_t i1=0; i1<fNHitsForRec; i1++) {
- hit = (AliMUONHitForRec*) ((*fHitsForRecPtr)[i1]);
- //if (hit->GetTHTrack() > 1 || hit->GetGeantSignal() == 0) continue;
- /*
- cout << " Hit #" << hit->GetChamberNumber() << " ";
- cout << hit->GetBendingCoor() << " ";
- cout << hit->GetNonBendingCoor() << " ";
- cout << hit->GetZ() << " ";
- cout << hit->GetGeantSignal() << " ";
- cout << hit->GetTHTrack() << endl;
- */
- /*
- printf(" Hit # %d %10.4f %10.4f %10.4f",
- hit->GetChamberNumber(), hit->GetBendingCoor(),
- hit->GetNonBendingCoor(), hit->GetZ());
- if (fRecGeantHits) {
- // from GEANT hits
- printf(" %3d %3d \n", hit->GetGeantSignal(), hit->GetTHTrack());
- } else {
- // from raw clusters
- rawclusters = pMUON->RawClustAddress(hit->GetChamberNumber());
- clus = (AliMUONRawCluster*) rawclusters->UncheckedAt(hit->
- GetHitNumber());
- printf("%3d", clus->fTracks[1]-1);
- if (clus->fTracks[2] != 0) printf("%3d \n", clus->fTracks[2]-1);
- else printf("\n");
+ trackK = (AliMUONTrackK*) ((*fRecTracksPtr)[0]);
+ if (trackK->DebugLevel() > 0) {
+ for (Int_t i1=0; i1<fNHitsForRec; i1++) {
+ hit = (AliMUONHitForRec*) ((*fHitsForRecPtr)[i1]);
+ //if (hit->GetTHTrack() > 1 || hit->GetGeantSignal() == 0) continue;
+ printf(" Hit # %d %10.4f %10.4f %10.4f",
+ hit->GetChamberNumber(), hit->GetBendingCoor(),
+ hit->GetNonBendingCoor(), hit->GetZ());
+ if (fRecGeantHits) {
+ // from GEANT hits
+ printf(" %3d %3d \n", hit->GetGeantSignal(), hit->GetTHTrack());
+ } else {
+ // from raw clusters
+ rawclusters = fMUONData->RawClusters(hit->GetChamberNumber());
+ clus = (AliMUONRawCluster*) rawclusters->UncheckedAt(hit->
+ GetHitNumber());
+ printf("%3d", clus->GetTrack(1)-1);
+ if (clus->GetTrack(2) != 0) printf("%3d \n", clus->GetTrack(2)-1);
+ else printf("\n");
+ } // if (fRecGeantHits)
}
- */
- }
+ } // if (trackK->DebugLevel() > 0)
icand = -1;
- Int_t nSeeds = fNRecTracks; // starting number of seeds
+ Int_t nSeeds;
+ nSeeds = fNRecTracks; // starting number of seeds
// Loop over track candidates
while (icand < fNRecTracks-1) {
icand ++;
+ if (trackK->DebugLevel()>0) cout << " *** Kalman track candidate No. " << icand << endl;
trackK = (AliMUONTrackK*) ((*fRecTracksPtr)[icand]);
+ if (trackK->GetRecover() < 0) continue; // failed track
// Discard candidate which will produce the double track
+ /*
if (icand > 0) {
- Ok = CheckCandidateK(icand,nSeeds);
- if (!Ok) {
- //trackK->SetRecover(-1); // mark candidate to be removed
- //continue;
+ ok = CheckCandidateK(icand,nSeeds);
+ if (!ok) {
+ trackK->SetRecover(-1); // mark candidate to be removed
+ continue;
}
}
+ */
- Ok = kTRUE;
+ ok = kTRUE;
if (trackK->GetRecover() == 0) hit = (AliMUONHitForRec*)
trackK->GetHitOnTrack()->Last(); // last hit
- else hit = (AliMUONHitForRec*) (*trackK->GetHitOnTrack())[1]; // 2'nd hit
- ichamBeg = hit->GetChamberNumber();
+ //else hit = (AliMUONHitForRec*) (*trackK->GetHitOnTrack())[1]; // 2'nd hit
+ else hit = trackK->GetHitLastOk(); // hit where track stopped
+ if (hit) ichamBeg = hit->GetChamberNumber();
ichamEnd = 0;
// Check propagation direction
- if (trackK->GetTrackDir() > 0) {
+ if (hit == NULL) ichamBeg = ichamEnd;
+ //AZ(z->-z) else if (trackK->GetTrackDir() > 0) {
+ else if (trackK->GetTrackDir() < 0) {
ichamEnd = 9; // forward propagation
- Ok = trackK->KalmanFilter(ichamBeg,ichamEnd,kFALSE,zDipole1,zDipole2);
- if (Ok) {
+ ok = trackK->KalmanFilter(ichamBeg,ichamEnd,kFALSE,zDipole1,zDipole2);
+ if (ok) {
ichamBeg = ichamEnd;
ichamEnd = 6; // backward propagation
// Change weight matrix and zero fChi2 for backpropagation
trackK->StartBack();
- Ok = trackK->KalmanFilter(ichamBeg,ichamEnd,kTRUE,zDipole1,zDipole2);
+ //AZ trackK->SetTrackDir(-1);
+ trackK->SetTrackDir(1);
+ ok = trackK->KalmanFilter(ichamBeg,ichamEnd,kTRUE,zDipole1,zDipole2);
ichamBeg = ichamEnd;
ichamEnd = 0;
}
ichamEnd = 6; // backward propagation
// Change weight matrix and zero fChi2 for backpropagation
trackK->StartBack();
- Ok = trackK->KalmanFilter(ichamBeg,ichamEnd,kTRUE,zDipole1,zDipole2);
+ ok = trackK->KalmanFilter(ichamBeg,ichamEnd,kTRUE,zDipole1,zDipole2);
ichamBeg = ichamEnd;
ichamEnd = 0;
}
}
- if (Ok) {
- trackK->SetTrackDir(-1);
+ if (ok) {
+ //AZ trackK->SetTrackDir(-1);
+ trackK->SetTrackDir(1);
trackK->SetBPFlag(kFALSE);
- Ok = trackK->KalmanFilter(ichamBeg,ichamEnd,kFALSE,zDipole1,zDipole2);
+ ok = trackK->KalmanFilter(ichamBeg,ichamEnd,kFALSE,zDipole1,zDipole2);
+ }
+ if (!ok) { trackK->SetRecover(-1); continue; } // mark candidate to be removed
+
+ // Apply smoother
+ if (trackK->GetRecover() >= 0) {
+ ok = trackK->Smooth();
+ if (!ok) trackK->SetRecover(-1); // mark candidate to be removed
}
- if (Ok) trackK->SetTrackQuality(0); // compute "track quality"
- else trackK->SetRecover(-1); // mark candidate to be removed
// Majority 3 of 4 in first 2 stations
+ if (!ok) continue;
chamBits = 0;
+ Double_t chi2_max = 0;
for (Int_t i=0; i<trackK->GetNTrackHits(); i++) {
hit = (AliMUONHitForRec*) (*trackK->GetHitOnTrack())[i];
- chamBits |= BIT(hit->GetChamberNumber()-1);
+ chamBits |= BIT(hit->GetChamberNumber());
+ if (trackK->GetChi2PerPoint(i) > chi2_max) chi2_max = trackK->GetChi2PerPoint(i);
+ }
+ if (!((chamBits&3)==3 || (chamBits>>2&3)==3) && chi2_max > 25) {
+ //trackK->Recover();
+ trackK->SetRecover(-1); //mark candidate to be removed
+ continue;
}
- //if (!((chamBits&3)==3 || (chamBits>>2&3)==3)) trackK->SetRecover(-1);
- //mark candidate to be removed
+ if (ok) trackK->SetTrackQuality(0); // compute "track quality"
} // while
for (Int_t i=0; i<fNRecTracks; i++) {
}
//__________________________________________________________________________
-Bool_t AliMUONEventReconstructor::CheckCandidateK(Int_t icand, Int_t nSeeds)
+Bool_t AliMUONEventReconstructor::CheckCandidateK(Int_t icand, Int_t nSeeds) const
{
// Discards track candidate if it will produce the double track (having
// the same seed segment hits as hits of a good track found before)
// Loop over first track of the pair
track1 = (AliMUONTrackK*) fRecTracksPtr->First();
+ Int_t debug = track1->DebugLevel();
while (track1) {
// Loop over second track of the pair
track2 = (AliMUONTrackK*) fRecTracksPtr->After(track1);
while (track2) {
// Check whether or not to keep track2
if (!track2->KeepTrack(track1)) {
- cout << " Killed track: " << 1/(*track2->GetTrackParameters())(4,0) <<
+ if (debug >= 0) cout << " Killed track: " << 1/(*track2->GetTrackParameters())(4,0) <<
" " << track2->GetTrackQuality() << endl;
trackToKill = track2;
track2 = (AliMUONTrackK*) fRecTracksPtr->After(track2);
} // track1
fNRecTracks = fRecTracksPtr->GetEntriesFast();
- cout << " Number of Kalman tracks: " << fNRecTracks << endl;
+ if (debug >= 0) cout << " Number of Kalman tracks: " << fNRecTracks << endl;
}
//__________________________________________________________________________
zVertex = 0;
for (Int_t i=0; i<fNRecTracks; i++) {
//((AliMUONTrackK*)(*fRecTracksPtr)[i])->Branson();
- //((AliMUONTrackK*)(*fRecTracksPtr)[i])->GoToZ(zVertex); // w/out absorber
((AliMUONTrackK*)(*fRecTracksPtr)[i])->SetTrackQuality(1); // compute Chi2
- ((AliMUONTrackK*)(*fRecTracksPtr)[i])->GoToVertex(); // with absorber
+ //((AliMUONTrackK*)(*fRecTracksPtr)[i])->GoToZ(zVertex); // w/out absorber
+ ((AliMUONTrackK*)(*fRecTracksPtr)[i])->GoToVertex(1); // with absorber
}
}
+
+//__________________________________________________________________________
+void AliMUONEventReconstructor::SetTrackMethod(Int_t iTrackMethod)
+{
+ // Set track method and recreate track container if necessary
+
+ fTrackMethod = iTrackMethod == 2 ? 2 : 1;
+ if (fTrackMethod == 2) {
+ if (fRecTracksPtr) delete fRecTracksPtr;
+ fRecTracksPtr = new TClonesArray("AliMUONTrackK", 10);
+ cout << " *** Tracking with the Kalman filter *** " << endl;
+ } else cout << " *** Traditional tracking *** " << endl;
+
+}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff