/* $Id$ */
//_________________________________________________________________________
-// Algorithm class to analyze PHOSv0 events
+// Algorythm class to analyze PHOSv1 events:
+// Construct histograms and displays them.
+// Use the macro EditorBar.C for best access to the functionnalities
+//*--
//*-- Author : Yves Schutz (SUBATECH)
// --- ROOT system ---
-#include "TFile.h"
-#include "TH1.h"
-#include "TH2.h"
+class TFile ;
+class TH1F ;
+class TH2F ;
// --- Standard library ---
// --- AliRoot header files ---
-#include "AliPHOSv0.h"
-#include "AliPHOSGeometry.h"
-#include "AliPHOSPID.h"
-#include "AliPHOSIndexToObject.h"
+class AliPHOSv1 ;
+class AliPHOSGeometry ;
+class AliPHOSLoader ;
+class AliRunLoader ;
class AliPHOSAnalyze : public TObject {
AliPHOSAnalyze() ; // ctor
AliPHOSAnalyze(Text_t * name) ; // ctor
+ AliPHOSAnalyze(const AliPHOSAnalyze & ana) ; // cpy ctor
virtual ~AliPHOSAnalyze() ; // dtor
- void AnalyzeOneEvent(Int_t evt = -999) ; // analyzes a single event ;
- void AnalyzeManyEvents(Int_t Nevtents = 100, Int_t Module=0) ; // analyzes many events ;
- void BookingHistograms() ; // booking histograms for the ManyEvent analysis ;
- Bool_t Init(Int_t evt) ; // does various initialisations
- void DisplayKineEvent(Int_t evt = -999) ; // displays the Kine events in ALICE coordinate
- void DisplayRecParticles() ; // displays RecParticles in ALICE coordinate
- void DisplayRecPoints() ; // displays RecPoints in module coordinate
- void DisplayTrackSegments() ; // displays TrackSegments in module coordinate
- Bool_t OpenRootFile(Text_t * name) ; // opens the root file
- void SavingHistograms() ; // Save histograms in a root file
+ void DrawRecon(Int_t Nevent= 0,Int_t Nmod = 1) ;
+ // draws positions of entering of primaries and reconstructed objects in PHOS
+
+ void InvariantMass() ; // Photons invariant mass distributions
+
+ void EnergyResolution () ; // analyzes Energy resolution ;
+
+ void PositionResolution() ; // analyzes Position resolution ;
+
+ void Contamination() ; // Counts contamination of photon spectrum
+
+ void Ls() ; //Prints PHOS-related contents of TreeS, TreeD and TreeR
+
+ void SetEnergyCorrection(Float_t ecor){fCorrection = ecor ;}
+
+ AliPHOSAnalyze & operator = (const AliPHOSAnalyze & /*rvalue*/) {
+ // assignement operator requested by coding convention but not needed
+ Fatal("operator =", "not implemented") ;
+ return *this ;
+ }
private:
-
- AliPHOSClusterizer * fClu ; // a clusterizer
- Int_t fEvt ; // the evt number being processed
- AliPHOSGeometry * fGeom ; // the PHOS Geometry object
- AliPHOSIndexToObject * fObjGetter ; // provides methods to retrieve objects from their index in a list
- AliPHOSv0 * fPHOS ; // the PHOS object from the root file
- AliPHOSPID * fPID ; // a particle identifier
- AliPHOSReconstructioner * fRec ; // a reconstructioner
- TFile * fRootFile ; // the root file that contains the data
- AliPHOSTrackSegmentMaker * fTrs ; // a tracksegmentmaker ;
- TH1F * fhEmcDigit ; // Histo of digit energies in the Emc
- TH1F * fhVetoDigit ; // Histo of digit energies in the Veto
- TH1F * fhConvertorDigit ; // Histo of digit energies in the Convertor
- TH1F * fhEmcCluster ; // Histo of Cluster energies in Emc
- TH1F * fhVetoCluster ; // Histo of Cluster energies in Veto
- TH1F * fhConvertorCluster ; // Histo of Cluster energies in Convertor
- TH2F * fhConvertorEmc ; // 2d Convertor versus Emc energies
- TH1F * fhPhotonEnergy ; // Spectrum of detected photons
- TH1F * fhElectronEnergy ; // Spectrum of detected electrons
- TH1F * fhNeutralHadronEnergy ; // Spectrum of detected neutral hadron
- TH1F * fhNeutralEMEnergy ; // Spectrum of detected neutral EM
- TH1F * fhChargedHadronEnergy ; // Spectrum of detected charged
- TH1F * fhPhotonHadronEnergy ; // Spectrum of detected Photon-Hadron
- TH1F * fhPhotonPositionX ; // X distribution of detected photons
- TH1F * fhElectronPositionX ; // X distribution of detected electrons
- TH1F * fhNeutralHadronPositionX ; // X distribution of detected neutral hadron
- TH1F * fhNeutralEMPositionX ; // X distribution of detected neutral EM
- TH1F * fhChargedHadronPositionX ; // X distribution of detected charged
- TH1F * fhPhotonHadronPositionX ; // X distribution of detected Photon-Hadron
- TH1F * fhPhotonPositionY ; // Y distribution of detected photons
- TH1F * fhElectronPositionY ; // Y distribution of detected electrons
- TH1F * fhNeutralHadronPositionY ; // Y distribution of detected neutral hadron
- TH1F * fhNeutralEMPositionY ; // Y distribution of detected neutral EM
- TH1F * fhChargedHadronPositionY ; // Y distribution of detected charged
- TH1F * fhPhotonHadronPositionY ; // Y distribution of detected Photon-Hadron
-
-
-ClassDef(AliPHOSAnalyze,1) // PHOSv0 event analyzis algorithm
+
+ Float_t CorrectedEnergy(Float_t ReconstEnergy)const
+ {return ReconstEnergy * fCorrection;}
+ //Converts reconstructed energy (energy of the EMCRecPoint) to the energy of primary
+ //The coeficient shoud be (and was) calculated usin Erec vs. Eprim plot
+ //(see Energy Resolution function). However, if one change parameters of reconstruction
+ //or geometry, one have to recalculate coefficient!
+
+private:
+
+ Float_t fCorrection ; //! Conversion coefficient between True and Reconstructed energies
+ Int_t fEvt ; //! the evt number being processed
+ TString ffileName ; //! the root file that contains the data
+
+ AliRunLoader* fRunLoader; //! run loader of the specified filename
+
+ClassDef(AliPHOSAnalyze,1) // PHOSv1 event analyzis algorithm
};
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff