/* $Id$ */
-// A. De Falco, H. Woehri, INFN Cagliari, July 2006
-// This macro reads the generation/reconstruction files in the
-// input directory (dirname),
-// builds a tree that contains, for each event, an array of muons and dimuons
-// (TClonesArrays of AliMUONTrackLight and AliMUONPairLight objects)
-// and writes the tree in an output file (outFileName)
-// Note that if the path for the output file is not explicitly specified,
-// it will be written in the directory containing the generation/reconstruction
-// 27-Nov-2006: modified by in order to loop on files
+/// \ingroup macros
+/// \file DecodeRecoCocktail.C
+/// \brief add brief description
+///
+/// \author A. De Falco, H. Woehri, INFN Cagliari, July 2006
+///
+/// This macro reads the generation/reconstruction files in the
+/// input directories (recodir and simdir),
+/// builds a tree that contains, for each event, an array of muons and dimuons
+/// (TClonesArrays of AliMUONTrackLight and AliMUONPairLight objects)
+/// and writes the tree in an output file (outFileName)
+/// Note that if the path for the output file is not explicitly specified,
+/// it will be written in the directory containing the generation/reconstruction
+/// 27-Nov-2006: modified by in order to loop on files
+///
+/// 13 Nov 2007:
+/// Updated this macro to work with new version of AliMUONRecoCheck. Also, we are
+/// now fetching reconstructed track data from ESD and not the track tree, because
+/// the AliMUONTrack objects for reconstructed tracks are no longer stored on disk.
+/// - Artur Szostak <artursz@iafrica.com>
#if !defined(__CINT__) || defined(__MAKECINT__)
#include <Riostream.h>
#include <TLorentzVector.h>
#include <TParticle.h>
#include <TSystem.h>
-#include <TGeoManager.h>
#include "AliMUONRecoCheck.h"
#include "AliMUONTrack.h"
-#include "AliMUONTrackParam.h"
-#include "AliRunLoader.h"
#include "AliMUONTrackLight.h"
#include "AliMUONPairLight.h"
-#include "AliMUONTrackExtrap.h"
-#include "AliESD.h"
-#include "AliESDVertex.h"
+#include "AliMUONVTrackStore.h"
+#include "AliESDEvent.h"
+#include "AliESDVertex.h"
+#include "AliESDMuonTrack.h"
+#include "AliMCEventHandler.h"
+#include "AliMCEvent.h"
+#include "AliStack.h"
+/*TODO: need to update this with changes made to ITS
#include "AliITSVertexerPPZ.h"
#include "AliITSLoader.h"
-#include "AliTracker.h"
-#include "AliMagFMaps.h"
+*/
#endif
-void DecodeRecoCocktail(char* dirname=".", char* outFileName = "MuonLight.root", char* geoFilename = "geometry.root"){
+void DecodeRecoCocktail(
+ char* recodir=".", // The directory containing galice.root for reconstructed data.
+ char* simdir="generated/", // The directory containing galice.root for simulated data.
+ char* outFileName = "MuonLight.root" // The output filename containing AliMUONTrackLight and AliMUONPairLight objects.
+ )
+{
+/// \param recodir The directory containing galice.root for reconstructed data.
+/// \param simdir The directory containing galice.root for simulated data.
+/// \param outFileName The output filename containing AliMUONTrackLight and AliMUONPairLight objects.
-
char startingDir[200];
sprintf (startingDir,"%s",gSystem->pwd());
- gSystem->cd(dirname);
-
+ gSystem->cd(recodir);
TClonesArray *muonArray = new TClonesArray("AliMUONTrackLight",10);
TClonesArray *dimuonArray = new TClonesArray("AliMUONPairLight",10);
treeOut->Branch("muons",&muonArray);
treeOut->Branch("dimuons",&dimuonArray);
- TFile* esdFile = TFile::Open("AliESDs.root");
- if (!esdFile || !esdFile->IsOpen()) {
- Error("DecodeRecoCocktailNew", "opening ESD file AliESDs.root failed");
- return;
- }
-
- AliESD* esd = new AliESD();
- TTree* treeESD = (TTree*) esdFile->Get("esdTree");
- if (!treeESD) {
- Error("CheckESD", "no ESD tree found");
- return;
- }
- treeESD->SetBranchAddress("ESD", &esd);
-
- // Import TGeo geometry (needed by AliMUONTrackExtrap::ExtrapToVertex)
- if (!gGeoManager) {
- TGeoManager::Import(geoFilename);
- if (!gGeoManager) {
- Error("MUONmass_ESD", "getting geometry from file %s failed", geoFilename);
- return;
- }
- }
-
- // 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);
- // set the magnetic field for track extrapolations
- AliMUONTrackExtrap::SetField(AliTracker::GetFieldMap());
-
- AliMUONRecoCheck *rc = new AliMUONRecoCheck("galice.root", "galice_sim.root");
- AliRunLoader *runLoader = rc->GetRunLoader();
- AliRunLoader *runLoaderSim = rc->GetRunLoaderSim();
+ AliMUONRecoCheck *rc = new AliMUONRecoCheck("AliESDs.root", simdir);
- runLoaderSim->LoadKinematics("READ");
- Int_t nev = runLoaderSim->GetNumberOfEvents();
-// nevent = nevent +nev;
-// printf(" number of files and events = %d - %d \n",irun,nevent);
-
+ /*TODO: need to update this with changes made to ITS
AliITSLoader* ITSloader = (AliITSLoader*) runLoaderSim->GetLoader("ITSLoader");
AliITSVertexerPPZ *dovert = 0;
if (ITSloader) {
dovert->SetWindow(3.);
}
AliESDVertex *vert = 0;
+ */
TLorentzVector v;
-
+
+ Int_t nev = rc->NumberOfEvents();
for(Int_t ievent = 0; ievent < nev; ievent++){ // loop over events
+
+ /*TODO: need to update this with changes made to ITS
runLoaderSim->GetHeader();
if (ITSloader) {
vert = dovert->FindVertexForCurrentEvent(ievent);
}
+ */
+
//printf ("Event %d of %d\n",ievent,nev);
muonArray->Clear(); // clean muon and dimuon arrays
dimuonArray->Clear();
- runLoader->GetEvent(ievent);
- runLoaderSim->GetEvent(ievent);
- treeESD->GetEvent(ievent);
- rc->ResetTracks();
- rc->MakeTrackRef(); // make reconstructable tracks
- TClonesArray * trackRecoArray = rc->GetTrackReco();
- TClonesArray * trackRefArray = rc->GetMuonTrackRef();
- Int_t nTrackReco = trackRecoArray->GetEntriesFast();
- Int_t nTracksESD = (Int_t)esd->GetNumberOfMuonTracks() ;
- if (nTrackReco != nTracksESD) printf ("Tracks in AliMUONTrack and in ESD do not match!\n");
- Int_t nreftracks = 0;
- for (Int_t itrRec = 0; itrRec<nTrackReco; itrRec++) {
- // assign parameters concerning the reconstructed tracks
- AliMUONTrackLight muLight;
- AliMUONTrack *trackReco = (AliMUONTrack *)trackRecoArray->At(itrRec);
+ AliMUONVTrackStore* recoTracks = rc->ReconstructedTracks(ievent, kFALSE); // Use tracks from actual reconstruction.
+ //AliMUONVTrackStore* trackRefs = rc->ReconstructibleTracks(ievent); // Only use reconstructible reference tracks.
+ AliMUONVTrackStore* trackRefs = rc->TrackRefs(ievent);
+ AliStack* pstack = (const_cast<AliMCEventHandler*>(rc->GetMCEventHandler()))->MCEvent()->Stack();
+
+ // loop over ESD tracks
+ Int_t nreftracks = 0;
+ const AliESDEvent* esd = rc->GetESDEvent();
+ Int_t nTracks = (Int_t)esd->GetNumberOfMuonTracks() ;
+ for (Int_t iTrack = 0; iTrack < nTracks; iTrack++) {
+
+ AliESDMuonTrack* esdTrack = esd->GetMuonTrack(iTrack);
- muLight.FillFromESD(esd->GetMuonTrack(itrRec));
- // muLight.FillFromAliMUONTrack(trackReco);
+ // skip ghosts
+ if (!esdTrack->ContainTrackerData()) continue;
- // find the reference track and store further information
- TParticle *part = muLight.FindRefTrack(trackReco,trackRefArray,runLoaderSim);
- if (part) {
+ // find the corresponding MUON track
+ AliMUONTrack* trackReco = (AliMUONTrack*) recoTracks->FindObject(esdTrack->GetUniqueID());
+
+ // try to match the reconstructed track with a simulated one
+ Int_t nMatchClusters = 0;
+ AliMUONTrack* matchedTrackRef = rc->FindCompatibleTrack(*trackReco, *trackRefs, nMatchClusters, kFALSE, 10.);
+
+ if (matchedTrackRef) {
+
+ //store new referenced track in the muonArray
+ AliMUONTrackLight* muLight = new ((*muonArray)[nreftracks++]) AliMUONTrackLight();
+
+ // assign parameters concerning the reconstructed tracks
+ muLight->FillFromESD(esdTrack);
+ // muLight->FillFromAliMUONTrack(trackReco);
+
+ // store further information related to the simulated track
+ muLight->SetTrackPythiaLine(matchedTrackRef->GetUniqueID());
+ TParticle *part = pstack->Particle(matchedTrackRef->GetUniqueID());
+ muLight->SetTrackPDGCode(part->GetPdgCode());
v.SetPxPyPzE(part->Px(), part->Py(), part->Pz(), part->Energy());
- muLight.SetPGen(v);
- muLight.FillMuonHistory(runLoaderSim, part);
+ muLight->SetPGen(v);
+ muLight->FillMuonHistory(pstack, part);
// muLight.PrintInfo("A");
- //store the referenced track in the muonArray:
- TClonesArray &muons = *muonArray;
- new (muons[nreftracks++]) AliMUONTrackLight(muLight);
- }
- } // end reco track
+
+ }
+
+ } // end esd track
// now loop over muon pairs to build dimuons
Int_t nmuons = muonArray->GetEntriesFast();
new (dimuons[ndimuons++]) AliMUONPairLight(dimuLight);
}
}
+
treeOut->Fill();
}
delete treeOut;
delete fout;
delete rc;
- delete esd;
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff