/* $Id$ */
//_________________________________________________________________________
-// Algorithm class to analyze PHOSv1 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 "AliPHOSv1.h"
-#include "AliPHOSGeometry.h"
-#include "AliPHOSPID.h"
-#include "AliPHOSIndexToObject.h"
+class AliPHOSv1 ;
+class AliPHOSGeometry ;
+class AliPHOSLoader ;
+class AliRunLoader ;
class AliPHOSAnalyze : public TObject {
AliPHOSAnalyze(const AliPHOSAnalyze & ana) ; // cpy ctor
virtual ~AliPHOSAnalyze() ; // dtor
- void ActivePPSD(Int_t Nevents) ;
- void AnalyzeManyEvents(Int_t Nevtents = 100, Int_t Module=0) ; // analyzes many events ;
- void ReconstructCPV(Int_t Nevents = 1) ; // reconstruct points in EMC and CPV
- void AnalyzeResolutions(Int_t Nevtents) ; // analyzes Energy and Position resolutions ;
- void ReadAndPrintCPV(Int_t Nevents); // Read & print generated and reconstructed hits in CPV
- void AnalyzeCPV(Int_t Nevents); // analyzes various CPV characteristics
- void InvariantMass(Int_t Nevents = 100) ;
- void Reconstruct(Int_t Nevtents = 100,Int_t FirstEvent = 0) ;
- void AnalyzeResolutions(Int_t Nevtents) ; // analyzes Energy and Position resolutions ;
- void BookingHistograms() ; // booking histograms for the ManyEvent analysis ;
- void BookResolutionHistograms() ; // booking histograms for the Resoluion analysis ;
- void Copy(TObject & obj) ; // copies an analysis into an other one
- Float_t CorrectEnergy(Float_t ERecPart) ; //Corrects reconstracted energy
- 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 SaveHistograms() ; // Save histograms in a root file
- void ResetHistograms() ; //
- AliPHOSAnalyze & operator = (const AliPHOSAnalyze & rvalue) {
- // assignement operator requested by coding convention
- // but not needed
- assert(0==1) ;
+ 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 ;
}
- void SetDebugLevel(Int_t flag) { fDebugLevel = flag; }
- 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
- AliPHOSv1 * 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 ;
-
- Int_t fDebugLevel; // debug level for analysis
-
- TH2F * fhEnergyCorrelations ; //Energy correlations between Eloss in Convertor and PPSD(2)
-
-
- 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
-
- TH2F * fhAllEnergy ; // Spectrum of detected photons with photon primary
- TH2F * fhPhotEnergy ; // Total spectrum of detected photons
- TH2F * fhEMEnergy ; // Spectrum of detected neutral EM with EM primary
- TH2F * fhPPSDEnergy ;
-
- TH2F * fhAllPosition ; // Position Resolution of photons with photon primary
- TH2F * fhPhotPosition ; // Position Resolution of photons
- TH2F * fhEMPosition ; // Position Resolution of neutral EM with EM primary
- TH2F * fhPPSDPosition ; // Position Resolution of neutral EM
-
- 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
-
- TH1F * fhPhotReg ;
- TH1F * fhAllReg ;
- TH1F * fhNReg ;
- TH1F * fhNBarReg ;
- TH1F * fhChargedReg ;
- TH1F * fhPhotEM ;
- TH1F * fhAllEM ;
- TH1F * fhNEM ;
- TH1F * fhNBarEM ;
- TH1F * fhChargedEM ;
- TH1F * fhPhotPPSD ;
- TH1F * fhAllPPSD ;
- TH1F * fhNPPSD ;
- TH1F * fhNBarPPSD ;
- TH1F * fhChargedPPSD ;
-
- TH1F * fhPrimary ;
- TH1F * fhAllRP ;
- TH1F * fhPPSD ;
- TH1F * fhShape ;
- TH1F * fhVeto ;
-
- TH1F * fhPhotPhot ;
- TH1F * fhPhotElec ;
- TH1F * fhPhotNeuH ;
- TH1F * fhPhotNuEM ;
- TH1F * fhPhotChHa ;
- TH1F * fhPhotGaHa ;
+private:
+
+ 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