/* $Id$ */
-// ---
-// Macro for MUON alignment using physics tracks. The macro uses AliMUONAlignment
-// class to calculate the alignment parameters.
-// An array for the alignment parameters is created and can be filled with
-// initial values that will be used as starting values by the alignment
-// algorithm.
-// Ny default the macro run over galice.root in the working directory. If a file list
-// of galice.root is provided as third argument the macro will run over all files.
-// The macro loop over the files, events and tracks. For each track
-// AliMUONAlignment::ProcessTrack(AliMUONTrack * track) and then
-// AliMUONAlignment::LocalFit(Int_t iTrack, Double_t *lTrackParam, Int_t
-// lSingleFit) are called. After all tracks have been procesed and fitted
-// AliMUONAlignment::GlobalFit(Double_t *parameters,Double_t *errors,Double_t *pulls)
-// is called. The array parameters contains the obatained misalignement parameters.
-// A realigned geometry is generated in a local CDB.
-//
-// Authors: B. Becker and J. Castillo
-// ---
+/// \ingroup macros
+/// \file MUONAlignment.C
+/// \brief Macro for MUON alignment using physics tracks.
+///
+/// The macro uses the AliMUONAlignment class to calculate the alignment parameters.
+/// An array for the alignment parameters is created and can be filled with
+/// initial values that will be used as starting values by the alignment
+/// algorithm.
+///
+/// By default the macro run over galice.root in the working directory. If a file list
+/// of galice.root is provided as third argument the macro will run over all files.
+/// The macro loop over the files, events and tracks. For each track
+/// AliMUONAlignment::ProcessTrack(AliMUONTrack * track) and then
+/// AliMUONAlignment::LocalFit(Int_t iTrack, Double_t *lTrackParam, Int_t
+/// lSingleFit) are called. After all tracks have been procesed and fitted
+/// AliMUONAlignment::GlobalFit(Double_t *parameters,Double_t *errors,Double_t *pulls)
+/// is called. The array parameters contains the obatained misalignement parameters.
+/// A realigned geometry is generated in a local CDB.
+///
+/// \author: B. Becker and J. Castillo
#if !defined(__CINT__) || defined(__MAKECINT__)
#include "AliMUONTrackExtrap.h"
#include "AliMUONTrackParam.h"
#include "AliMUONGeometryTransformer.h"
-#include "AliMUONDataInterface.h"
-#include "AliMUONVTrackStore.h"
+#include "AliMUONESDInterface.h"
+#include "AliESDEvent.h"
+#include "AliESDMuonTrack.h"
#include "AliMagFMaps.h"
#include "AliTracker.h"
#include "AliCDBManager.h"
#include <TH1.h>
#include <TGraphErrors.h>
#include <TFile.h>
+#include <TTree.h>
#include <TClonesArray.h>
#include <Riostream.h>
#endif
-void MUONAlignment(Int_t nEvents = 100000, char* geoFilename = "geometry.root", TString fileName = "galice.root", TString fileList = "")
+void MUONAlignment(Int_t nEvents = 100000, char* geoFilename = "geometry.root", TString esdFileName = "AliESDs.root", TString fileList = "")
{
// Import TGeo geometry (needed by AliMUONTrackExtrap::ExtrapToVertex)
char cFileName[100];
- AliMUONDataInterface *amdi =0x0;
- AliMUONVTrackStore *trackStore =0x0;
- AliMUONTrack* track =0x0;
Int_t lMaxFile = 1000;
Int_t iFile = 0;
if (sFileList.eof()) bKeepLoop = kFALSE;
}
else {
- sprintf(cFileName,fileName.Data());
+ sprintf(cFileName,esdFileName.Data());
bKeepLoop = kFALSE;
}
- if (!strstr(cFileName,"galice.root")) continue;
+ if (!strstr(cFileName,"AliESDs.root")) continue;
cout << "Using file: " << cFileName << endl;
+
+ // load ESD event
+ TFile* esdFile = TFile::Open(cFileName); // open the file
+ if (!esdFile || !esdFile->IsOpen()) {
+ cout << "opening ESD file " << cFileName << "failed" << endl;
+ continue;
+ }
+ TTree* esdTree = (TTree*) esdFile->Get("esdTree"); // get the tree
+ if (!esdTree) {
+ cout << "no ESD tree found" << endl;
+ esdFile->Close();
+ continue;
+ }
+ AliESDEvent* esdEvent = new AliESDEvent(); // link ESD event to the tree
+ esdEvent->ReadFromTree(esdTree);
- if (!amdi) amdi = new AliMUONDataInterface(cFileName);
- else amdi->Open(cFileName);
-
- Int_t nevents = amdi->NumberOfEvents();
+ Int_t nevents = esdTree->GetEntries();
cout << "... with " << nevents << endl;
for(Int_t event = 0; event < nevents; event++) {
if (iEvent >= nEvents){
}
iEvent++;
- trackStore = amdi->TrackStore(event);
+ if (esdTree->GetEvent(event) <= 0) {
+ cout << "fails to read ESD object for event " << event << endl;
+ continue;
+ }
- Int_t ntracks = trackStore->GetSize();
- if (!event%100)
- cout << " there are " << ntracks << " tracks in event " << event << endl;
- TIter next(trackStore->CreateIterator());
- while ( ( track = static_cast<AliMUONTrack*>(next()) ) ) {
- AliMUONTrackParam trackParam(*((AliMUONTrackParam*)(track->GetTrackParamAtHit()->First())));
- AliMUONTrackExtrap::ExtrapToVertex(&trackParam,0.,0.,0.);
- Double_t invBenMom = trackParam.GetInverseBendingMomentum();
+ Int_t nTracks = Int_t(esdEvent->GetNumberOfMuonTracks());
+ if (!event%100) cout << " there are " << nTracks << " tracks in event " << event << endl;
+ for (Int_t iTrack = 0; iTrack < nTracks; iTrack++) {
+ AliESDMuonTrack* esdTrack = esdEvent->GetMuonTrack(iTrack);
+ if (!esdTrack->ClustersStored()) continue;
+ Double_t invBenMom = esdTrack->GetInverseBendingMomentum();
fInvBenMom->Fill(invBenMom);
fBenMom->Fill(1./invBenMom);
if (TMath::Abs(invBenMom)<=1.04) {
- alig->ProcessTrack(track);
+ AliMUONTrack track;
+ AliMUONESDInterface::ESDToMUON(*esdTrack, track);
+ alig->ProcessTrack(&track);
alig->LocalFit(iTrackOk++,trackParams,0);
}
iTrackTot++;
}
}
+ delete esdEvent;
+ esdFile->Close();
cout << "Processed " << iTrackTot << " Tracks so far." << endl;
}
alig->GlobalFit(parameters,errors,pulls);
// Generate realigned data in local cdb
const TClonesArray* array = newTransform->GetMisAlignmentData();
+
+ // 100 mum residual resolution for chamber misalignments?
+ alig->SetAlignmentResolution(array,-1,0.01,0.01,0.004,0.003);
// CDB manager
AliCDBManager* cdbManager = AliCDBManager::Instance();
AliCDBId id("MUON/Align/Data", 0, 0);
cdbManager->Put(const_cast<TClonesArray*>(array), id, cdbData);
-}
+}
+
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff