#include <TROOT.h>
// STEER includes
-#include "AliRun.h"
#include "AliLog.h"
-#include "AliRunLoader.h"
-#include "AliHeader.h"
-#include "AliLoader.h"
-#include "AliStack.h"
-#include "AliMagFMaps.h"
-#include "AliESD.h"
-#include "AliTracker.h"
+#include "AliCDBManager.h"
+#include "AliESDEvent.h"
+#include "AliESDVertex.h"
+#include "AliESDMuonTrack.h"
// MUON includes
+#include "AliMUONCDB.h"
#include "AliMUONTrackParam.h"
#include "AliMUONTrackExtrap.h"
-#include "AliESDMuonTrack.h"
+#include "AliMUONESDInterface.h"
+#include "AliMUONConstants.h"
#endif
-//
-// Macro MUONmassPlot.C for ESD
-// Ch. Finck, Subatech, April. 2004
-//
-
-// macro to make invariant mass plots
-// for combinations of 2 muons with opposite charges,
-// from root file "MUON.tracks.root" containing the result of track reconstruction.
-// Histograms are stored on the "MUONmassPlot.root" file.
-// introducing TLorentzVector for parameter calculations (Pt, P,rap,etc...)
-// using Invariant Mass for rapidity.
-
-// Arguments:
-// ExtrapToVertex (default -1)
-// <0: no extrapolation;
-// =0: extrapolation to (0,0,0);
-// >0: extrapolation to ESDVertex if available, else to (0,0,0)
-// FirstEvent (default 0)
-// LastEvent (default 0)
-// ResType (default 553)
-// 553 for Upsilon, anything else for J/Psi
-// Chi2Cut (default 100)
-// to keep only tracks with chi2 per d.o.f. < Chi2Cut
-// PtCutMin (default 1)
-// to keep only tracks with transverse momentum > PtCutMin
-// PtCutMax (default 10000)
-// to keep only tracks with transverse momentum < PtCutMax
-// massMin (default 9.17 for Upsilon)
-// & massMax (default 9.77 for Upsilon)
-// to calculate the reconstruction efficiency for resonances with invariant mass
-// massMin < mass < massMax.
-
-// Add parameters and histograms for analysis
-
-Bool_t MUONmassPlot(char* filename = "galice_sim.root", Int_t ExtrapToVertex = -1, char* geoFilename = "geometry.root",
- Int_t FirstEvent = 0, Int_t LastEvent = 10000, char* esdFileName = "AliESDs.root", Int_t ResType = 553,
- Float_t Chi2Cut = 100., Float_t PtCutMin = 1., Float_t PtCutMax = 10000.,
- Float_t massMin = 9.17,Float_t massMax = 9.77)
+
+/// \ingroup macros
+/// \file MUONmassPlot_ESD.C
+/// \brief Macro MUONmassPlot_ESD.C for ESD
+///
+/// \author Ch. Finck, Subatech, April. 2004
+///
+///
+/// Macro to make invariant mass plots
+/// for combinations of 2 muons with opposite charges,
+/// from root file "MUON.tracks.root" containing the result of track reconstruction.
+/// Histograms are stored on the "MUONmassPlot.root" file.
+/// introducing TLorentzVector for parameter calculations (Pt, P,rap,etc...)
+/// using Invariant Mass for rapidity.
+///
+/// Add parameters and histograms for analysis
+
+Bool_t MUONmassPlot(const char* esdFileName = "AliESDs.root", const char* geoFilename = "geometry.root",
+ const char* ocdbPath = "local://$ALICE_ROOT/OCDB",
+ Int_t FirstEvent = 0, Int_t LastEvent = -1, Int_t ExtrapToVertex = -1,
+ Int_t ResType = 553, Float_t Chi2Cut = 100., Float_t PtCutMin = 1.,
+ Float_t PtCutMax = 10000., Float_t massMin = 9.17,Float_t massMax = 9.77)
{
+ /// \param FirstEvent (default 0)
+ /// \param LastEvent (default 10000)
+ /// \param ExtrapToVertex (default -1)
+ /// - <0: no extrapolation;
+ /// - =0: extrapolation to (0,0,0);
+ /// - >0: extrapolation to ESDVertex if available, else to (0,0,0)
+ /// \param ResType 553 for Upsilon, anything else for J/Psi (default 553)
+ /// \param Chi2Cut to keep only tracks with chi2 per d.o.f. < Chi2Cut (default 100)
+ /// \param PtCutMin to keep only tracks with transverse momentum > PtCutMin (default 1)
+ /// \param PtCutMax to keep only tracks with transverse momentum < PtCutMax (default 10000)
+ /// \param massMin (default 9.17 for Upsilon)
+ /// \param massMax (default 9.77 for Upsilon);
+ /// to calculate the reconstruction efficiency for resonances with invariant mass
+ /// massMin < mass < massMax.
+
cout << "MUONmassPlot " << endl;
cout << "FirstEvent " << FirstEvent << endl;
- cout << "LastEvent " << LastEvent << endl;
+ cout << "LastEvent " << ((LastEvent>=0) ? Form("%d",LastEvent) : "all") << endl;
cout << "ResType " << ResType << endl;
cout << "Chi2Cut " << Chi2Cut << endl;
cout << "PtCutMin " << PtCutMin << endl;
Double_t fPxRec1, fPyRec1, fPzRec1, fE1;
Double_t fPxRec2, fPyRec2, fPzRec2, fE2;
- Int_t ntrackhits, nevents;
+ Int_t ntrackhits;
Double_t fitfmin;
Double_t fZVertex=0;
Double_t fYVertex=0;
Double_t fXVertex=0;
+ Double_t errXVtx=0;
+ Double_t errYVtx=0;
TLorentzVector fV1, fV2, fVtot;
-
+
// Import TGeo geometry (needed by AliMUONTrackExtrap::ExtrapToVertex)
if (!gGeoManager) {
TGeoManager::Import(geoFilename);
if (!gGeoManager) {
- Error("MUONmass_ESD", "getting geometry from file %s failed", filename);
+ Error("MUONmass_ESD", "getting geometry from file %s failed", geoFilename);
return kFALSE;
}
}
- // set mag field
- // waiting for mag field in CDB
- printf("Loading field map...\n");
- AliMagFMaps* field = new AliMagFMaps("Maps","Maps", 1, 1., 10., AliMagFMaps::k5kG);
- AliTracker::SetFieldMap(field, kFALSE);
-
- // open run loader and load gAlice, kinematics and header
- AliRunLoader* runLoader = AliRunLoader::Open(filename);
- if (!runLoader) {
- Error("MUONmass_ESD", "getting run loader from file %s failed", filename);
- return kFALSE;
- }
-/*
- runLoader->LoadgAlice();
- if (!gAlice) {
- Error("MUONmass_ESD", "no galice object found");
- return kFALSE;
- }
-*/
-
// open the ESD file
TFile* esdFile = TFile::Open(esdFileName);
if (!esdFile || !esdFile->IsOpen()) {
Error("MUONmass_ESD", "opening ESD file %s failed", esdFileName);
return kFALSE;
}
-
- AliESD* esd = new AliESD();
+ AliESDEvent* esd = new AliESDEvent();
TTree* tree = (TTree*) esdFile->Get("esdTree");
if (!tree) {
- Error("CheckESD", "no ESD tree found");
+ Error("MUONmass_ESD", "no ESD tree found");
return kFALSE;
}
- tree->SetBranchAddress("ESD", &esd);
+ esd->ReadFromTree(tree);
+ // get run number
+ if (tree->GetEvent(0) <= 0) {
+ Error("MUONmass_ESD", "no ESD object found for event 0");
+ return kFALSE;
+ }
+ Int_t runNumber = esd->GetRunNumber();
-
- runLoader->LoadHeader();
- nevents = runLoader->GetNumberOfEvents();
+ // load necessary data from OCDB
+ AliCDBManager::Instance()->SetDefaultStorage(ocdbPath);
+ AliCDBManager::Instance()->SetSpecificStorage("GRP/GRP/Data","local://.");
+ AliCDBManager::Instance()->SetRun(runNumber);
+ if (!AliMUONCDB::LoadField()) return kFALSE;
+
+ // set the magnetic field for track extrapolations
+ AliMUONTrackExtrap::SetField();
AliMUONTrackParam trackParam;
-
+ AliMUONTrackParam trackParamAtAbsEnd;
+
// Loop over events
- for (Int_t iEvent = FirstEvent; iEvent <= TMath::Min(LastEvent, nevents - 1); iEvent++) {
+ Int_t nevents = (LastEvent >= 0) ? TMath::Min(LastEvent, (Int_t)tree->GetEntries()-1) : (Int_t)tree->GetEntries()-1;
+ for (Int_t iEvent = FirstEvent; iEvent <= nevents; iEvent++) {
- // get current event
- runLoader->GetEvent(iEvent);
-
// get the event summary data
- tree->GetEvent(iEvent);
- if (!esd) {
- Error("CheckESD", "no ESD object found for event %d", iEvent);
+ if (tree->GetEvent(iEvent) <= 0) {
+ Error("MUONmass_ESD", "no ESD object found for event %d", iEvent);
return kFALSE;
}
-
+
// get the SPD reconstructed vertex (vertexer) and fill the histogram
AliESDVertex* Vertex = (AliESDVertex*) esd->GetVertex();
if (Vertex->GetNContributors()) {
- fZVertex = Vertex->GetZv();
- fYVertex = Vertex->GetYv();
- fXVertex = Vertex->GetXv();
+ fZVertex = Vertex->GetZ();
+ fYVertex = Vertex->GetY();
+ fXVertex = Vertex->GetX();
+ errXVtx = Vertex->GetXRes();
+ errYVtx = Vertex->GetYRes();
}
hPrimaryVertex->Fill(fZVertex);
// printf("\n Nb of events analysed: %d\r",iEvent);
// cout << " number of tracks: " << nTracks <<endl;
- // set the magnetic field for track extrapolations
- AliMUONTrackExtrap::SetField(AliTracker::GetFieldMap());
// loop over all reconstructed tracks (also first track of combination)
for (Int_t iTrack = 0; iTrack < nTracks; iTrack++) {
+ // skip ghosts
+ if (!esd->GetMuonTrack(iTrack)->ContainTrackerData()) continue;
+
AliESDMuonTrack* muonTrack = new AliESDMuonTrack(*(esd->GetMuonTrack(iTrack)));
// extrapolate to vertex if required and available
if (ExtrapToVertex > 0 && Vertex->GetNContributors()) {
- trackParam.GetParamFromUncorrected(*muonTrack);
- AliMUONTrackExtrap::ExtrapToVertex(&trackParam, fXVertex, fYVertex, fZVertex);
- trackParam.SetParamFor(*muonTrack); // put the new parameters in this copy of AliESDMuonTrack
+ AliMUONESDInterface::GetParamAtFirstCluster(*muonTrack, trackParam);
+ AliMUONTrackExtrap::ExtrapToVertex(&trackParam, fXVertex, fYVertex, fZVertex, errXVtx, errYVtx);
+ AliMUONESDInterface::SetParamAtVertex(trackParam, *muonTrack); // put the new parameters in this copy of AliESDMuonTrack
} else if ((ExtrapToVertex > 0 && !Vertex->GetNContributors()) || ExtrapToVertex == 0){
- trackParam.GetParamFromUncorrected(*muonTrack);
- AliMUONTrackExtrap::ExtrapToVertex(&trackParam, 0., 0., 0.);
- trackParam.SetParamFor(*muonTrack); // put the new parameters in this copy of AliESDMuonTrack
+ AliMUONESDInterface::GetParamAtFirstCluster(*muonTrack, trackParam);
+ AliMUONTrackExtrap::ExtrapToVertex(&trackParam, 0., 0., 0., 0., 0.);
+ AliMUONESDInterface::SetParamAtVertex(trackParam, *muonTrack); // put the new parameters in this copy of AliESDMuonTrack
}
+ // compute track position at the end of the absorber
+ AliMUONESDInterface::GetParamAtFirstCluster(*muonTrack, trackParamAtAbsEnd);
+ AliMUONTrackExtrap::ExtrapToZ(&trackParamAtAbsEnd, AliMUONConstants::AbsZEnd());
+ Double_t xAbs = trackParamAtAbsEnd.GetNonBendingCoor();
+ Double_t yAbs = trackParamAtAbsEnd.GetBendingCoor();
+ Double_t dAbs1 = TMath::Sqrt(xAbs*xAbs + yAbs*yAbs);
+ Double_t aAbs1 = TMath::ATan(-dAbs1/AliMUONConstants::AbsZEnd()) * TMath::RadToDeg();
+
fCharge1 = Int_t(TMath::Sign(1.,muonTrack->GetInverseBendingMomentum()));
muonTrack->LorentzP(fV1);
// condition for good track (Chi2Cut and PtCut)
- if ((ch1 < Chi2Cut) && (pt1 > PtCutMin) && (pt1 < PtCutMax)) {
+// if ((ch1 < Chi2Cut) && (pt1 > PtCutMin) && (pt1 < PtCutMax)) {
// fill histos hPtMuon and hChi2PerDof
hPtMuon->Fill(pt1);
// loop over second track of combination
for (Int_t iTrack2 = iTrack + 1; iTrack2 < nTracks; iTrack2++) {
+ // skip ghosts
+ if (!esd->GetMuonTrack(iTrack2)->ContainTrackerData()) continue;
+
AliESDMuonTrack* muonTrack2 = new AliESDMuonTrack(*(esd->GetMuonTrack(iTrack2)));
// extrapolate to vertex if required and available
if (ExtrapToVertex > 0 && Vertex->GetNContributors()) {
- trackParam.GetParamFromUncorrected(*muonTrack2);
- AliMUONTrackExtrap::ExtrapToVertex(&trackParam, fXVertex, fYVertex, fZVertex);
- trackParam.SetParamFor(*muonTrack2); // put the new parameters in this copy of AliESDMuonTrack
+ AliMUONESDInterface::GetParamAtFirstCluster(*muonTrack2, trackParam);
+ AliMUONTrackExtrap::ExtrapToVertex(&trackParam, fXVertex, fYVertex, fZVertex, errXVtx, errYVtx);
+ AliMUONESDInterface::SetParamAtVertex(trackParam, *muonTrack2); // put the new parameters in this copy of AliESDMuonTrack
} else if ((ExtrapToVertex > 0 && !Vertex->GetNContributors()) || ExtrapToVertex == 0){
- trackParam.GetParamFromUncorrected(*muonTrack2);
- AliMUONTrackExtrap::ExtrapToVertex(&trackParam, 0., 0., 0.);
- trackParam.SetParamFor(*muonTrack2); // put the new parameters in this copy of AliESDMuonTrack
+ AliMUONESDInterface::GetParamAtFirstCluster(*muonTrack2, trackParam);
+ AliMUONTrackExtrap::ExtrapToVertex(&trackParam, 0., 0., 0., 0., 0.);
+ AliMUONESDInterface::SetParamAtVertex(trackParam, *muonTrack2); // put the new parameters in this copy of AliESDMuonTrack
}
+ // compute track position at the end of the absorber
+ AliMUONESDInterface::GetParamAtFirstCluster(*muonTrack2, trackParamAtAbsEnd);
+ AliMUONTrackExtrap::ExtrapToZ(&trackParamAtAbsEnd, AliMUONConstants::AbsZEnd());
+ xAbs = trackParamAtAbsEnd.GetNonBendingCoor();
+ yAbs = trackParamAtAbsEnd.GetBendingCoor();
+ Double_t dAbs2 = TMath::Sqrt(xAbs*xAbs + yAbs*yAbs);
+ Double_t aAbs2 = TMath::ATan(-dAbs2/AliMUONConstants::AbsZEnd()) * TMath::RadToDeg();
+
fCharge2 = Int_t(TMath::Sign(1.,muonTrack2->GetInverseBendingMomentum()));
muonTrack2->LorentzP(fV2);
Float_t ch2 = fitfmin / (2.0 * ntrackhits - 5);
// condition for good track (Chi2Cut and PtCut)
- if ((ch2 < Chi2Cut) && (pt2 > PtCutMin) && (pt2 < PtCutMax)) {
+// if ((ch2 < Chi2Cut) && (pt2 > PtCutMin) && (pt2 < PtCutMax)) {
+// if (aAbs1 < 2. || aAbs2 < 2.) {
+// if (aAbs1 > 2. && aAbs2 > 2. && (aAbs1 < 2.1 || aAbs2 < 2.1)) {
+// if (aAbs1 > 2. && aAbs2 > 2. && (dAbs1 < 17.8 || dAbs2 < 17.8)) {
+// if (dAbs1 > 17.8 && dAbs2 > 17.8 && (dAbs1 < 18. || dAbs2 < 18.)) {
+// if (dAbs1 > 18. && dAbs2 > 18. && (dAbs1 < 18.2 || dAbs2 < 18.2)) {
+// if (dAbs1 > 18.2 && dAbs2 > 18.2 && (aAbs1 < 2.1 || aAbs2 < 2.1)) {
+// if (dAbs1 > 18. && dAbs2 > 18.) {
+// if (aAbs1 > 2.1 && aAbs2 > 2.1) {
+// if (muonTrack->GetMatchTrigger() && muonTrack2->GetMatchTrigger()) {
// condition for opposite charges
if ((fCharge1 * fCharge2) == -1) {
}
} // if (fCharge1 * fCharge2) == -1)
- } // if ((ch2 < Chi2Cut) && (pt2 > PtCutMin) && (pt2 < PtCutMax))
+// } // if ((ch2 < Chi2Cut) && (pt2 > PtCutMin) && (pt2 < PtCutMax))
delete muonTrack2;
} // for (Int_t iTrack2 = iTrack + 1; iTrack2 < iTrack; iTrack2++)
- } // if (ch1 < Chi2Cut) && (pt1 > PtCutMin)&& (pt1 < PtCutMax) )
+// } // if (ch1 < Chi2Cut) && (pt1 > PtCutMin)&& (pt1 < PtCutMax) )
delete muonTrack;
} // for (Int_t iTrack = 0; iTrack < nrectracks; iTrack++)
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff