--- /dev/null
+/**************************************************************************
+ * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+ * *
+ * Author: The ALICE Off-line Project. *
+ * Contributors are mentioned in the code where appropriate. *
+ * *
+ * Permission to use, copy, modify and distribute this software and its *
+ * documentation strictly for non-commercial purposes is hereby granted *
+ * without fee, provided that the above copyright notice appears in all *
+ * copies and that both the copyright notice and this permission notice *
+ * appear in the supporting documentation. The authors make no claims *
+ * about the suitability of this software for any purpose. It is *
+ * provided "as is" without express or implied warranty. *
+ **************************************************************************/
+
+/* $Id$ */
+
+//_________________________________________________________________________
+// RecPoint implementation for PHOS-CPV
+// An CpvRecPoint is a cluster of digits
+//
+//*-- Author: Yuri Kharlov 30 October 2000
+// (after Dmitri Peressounko (RRC KI & SUBATECH))
+
+
+// --- ROOT system ---
+#include "TPad.h"
+#include "TH2.h"
+#include "TMath.h"
+#include "TCanvas.h"
+
+// --- Standard library ---
+
+#include <iostream.h>
+
+// --- AliRoot header files ---
+
+#include "AliPHOSGeometry.h"
+#include "AliPHOSCpvRecPoint.h"
+#include "AliRun.h"
+#include "AliPHOSIndexToObject.h"
+
+ClassImp(AliPHOSCpvRecPoint)
+
+//____________________________________________________________________________
+AliPHOSCpvRecPoint::AliPHOSCpvRecPoint(Float_t W0, Float_t LocMaxCut)
+ : AliPHOSRecPoint()
+{
+ // ctor
+
+ fMulDigit = 0 ;
+ fAmp = 0. ;
+ fEnergyList = new Float_t[fMaxDigit];
+ AliPHOSGeometry * phosgeom = (AliPHOSGeometry *) fGeom ;
+ fDelta = phosgeom->GetCrystalSize(0) ;
+ fW0 = W0 ;
+ fLocMaxCut = LocMaxCut ;
+ fLocPos.SetX(1000000.) ; //Local position should be evaluated
+ fLengX = -1;
+ fLengZ = -1;
+}
+
+//____________________________________________________________________________
+AliPHOSCpvRecPoint::~AliPHOSCpvRecPoint()
+{
+ // dtor
+ if ( fEnergyList ) delete[] fEnergyList ;
+}
+
+//____________________________________________________________________________
+void AliPHOSCpvRecPoint::AddDigit(AliPHOSDigit & digit, Float_t Energy)
+{
+ // Adds a digit to the RecPoint
+ // and accumulates the total amplitude and the multiplicity
+
+ if ( fMulDigit >= fMaxDigit ) { // increase the size of the lists
+ fMaxDigit*=2 ;
+ Int_t * tempo = new ( Int_t[fMaxDigit] ) ;
+ Float_t * tempoE = new ( Float_t[fMaxDigit] ) ;
+
+ Int_t index ;
+ for ( index = 0 ; index < fMulDigit ; index++ ){
+ tempo[index] = fDigitsList[index] ;
+ tempoE[index] = fEnergyList[index] ;
+ }
+
+ delete [] fDigitsList ;
+ fDigitsList = new ( Int_t[fMaxDigit] ) ;
+
+ delete [] fEnergyList ;
+ fEnergyList = new ( Float_t[fMaxDigit] ) ;
+
+ for ( index = 0 ; index < fMulDigit ; index++ ){
+ fDigitsList[index] = tempo[index] ;
+ fEnergyList[index] = tempoE[index] ;
+ }
+
+ delete [] tempo ;
+ delete [] tempoE ;
+ } // if
+
+ fDigitsList[fMulDigit] = digit.GetIndexInList() ;
+ fEnergyList[fMulDigit] = Energy ;
+ fMulDigit++ ;
+ fAmp += Energy ;
+}
+
+//____________________________________________________________________________
+Bool_t AliPHOSCpvRecPoint::AreNeighbours(AliPHOSDigit * digit1, AliPHOSDigit * digit2 )
+{
+ // Tells if (true) or not (false) two digits are neighbors)
+
+ Bool_t aren = kFALSE ;
+
+ AliPHOSGeometry * phosgeom = (AliPHOSGeometry *) fGeom ;
+ Int_t relid1[4] ;
+ phosgeom->AbsToRelNumbering(digit1->GetId(), relid1) ;
+
+ Int_t relid2[4] ;
+ phosgeom->AbsToRelNumbering(digit2->GetId(), relid2) ;
+
+ Int_t rowdiff = TMath::Abs( relid1[2] - relid2[2] ) ;
+ Int_t coldiff = TMath::Abs( relid1[3] - relid2[3] ) ;
+
+ if (( coldiff <= 1 ) && ( rowdiff <= 1 ) && (coldiff + rowdiff > 0))
+ aren = kTRUE ;
+
+ return aren ;
+}
+
+//____________________________________________________________________________
+Int_t AliPHOSCpvRecPoint::Compare(TObject * obj)
+{
+ // Compares two RecPoints according to their position in the PHOS modules
+
+ Int_t rv ;
+
+ AliPHOSCpvRecPoint * clu = (AliPHOSCpvRecPoint *)obj ;
+
+
+ Int_t phosmod1 = this->GetPHOSMod() ;
+ Int_t phosmod2 = clu->GetPHOSMod() ;
+
+ TVector3 locpos1;
+ this->GetLocalPosition(locpos1) ;
+ TVector3 locpos2;
+ clu->GetLocalPosition(locpos2) ;
+
+ if(phosmod1 == phosmod2 ) {
+ Int_t rowdif = (Int_t)TMath::Ceil(locpos1.X()/fDelta)-(Int_t)TMath::Ceil(locpos2.X()/fDelta) ;
+ if (rowdif> 0)
+ rv = -1 ;
+ else if(rowdif < 0)
+ rv = 1 ;
+ else if(locpos1.Z()>locpos2.Z())
+ rv = -1 ;
+ else
+ rv = 1 ;
+ }
+
+ else {
+ if(phosmod1 < phosmod2 )
+ rv = -1 ;
+ else
+ rv = 1 ;
+ }
+
+ return rv ;
+}
+
+//______________________________________________________________________________
+void AliPHOSCpvRecPoint::ExecuteEvent(Int_t event, Int_t px, Int_t py)
+{
+ // Execute action corresponding to one event
+ // This member function is called when a AliPHOSRecPoint is clicked with the locator
+ //
+ // If Left button is clicked on AliPHOSRecPoint, the digits are switched on
+ // and switched off when the mouse button is released.
+ //
+
+ // static Int_t pxold, pyold;
+
+ AliPHOSIndexToObject * please = AliPHOSIndexToObject::GetInstance() ;
+
+ static TGraph * digitgraph = 0 ;
+
+ if (!gPad->IsEditable()) return;
+
+ TH2F * histo = 0 ;
+ TCanvas * histocanvas ;
+
+ switch (event) {
+
+ case kButton1Down: {
+ AliPHOSDigit * digit ;
+ AliPHOSGeometry * phosgeom = (AliPHOSGeometry *) fGeom ;
+ Int_t iDigit;
+ Int_t relid[4] ;
+
+ const Int_t kMulDigit = AliPHOSCpvRecPoint::GetDigitsMultiplicity() ;
+ Float_t * xi = new Float_t[kMulDigit] ;
+ Float_t * zi = new Float_t[kMulDigit] ;
+
+ // create the histogram for the single cluster
+ // 1. gets histogram boundaries
+ Float_t ximax = -999. ;
+ Float_t zimax = -999. ;
+ Float_t ximin = 999. ;
+ Float_t zimin = 999. ;
+
+ for(iDigit=0; iDigit<kMulDigit; iDigit++) {
+ digit = (AliPHOSDigit *) ( please->GimeDigit(fDigitsList[iDigit]) ) ;
+ phosgeom->AbsToRelNumbering(digit->GetId(), relid) ;
+ phosgeom->RelPosInModule(relid, xi[iDigit], zi[iDigit]);
+ if ( xi[iDigit] > ximax )
+ ximax = xi[iDigit] ;
+ if ( xi[iDigit] < ximin )
+ ximin = xi[iDigit] ;
+ if ( zi[iDigit] > zimax )
+ zimax = zi[iDigit] ;
+ if ( zi[iDigit] < zimin )
+ zimin = zi[iDigit] ;
+ }
+ ximax += phosgeom->GetCrystalSize(0) / 2. ;
+ zimax += phosgeom->GetCrystalSize(2) / 2. ;
+ ximin -= phosgeom->GetCrystalSize(0) / 2. ;
+ zimin -= phosgeom->GetCrystalSize(2) / 2. ;
+ Int_t xdim = (int)( (ximax - ximin ) / phosgeom->GetCrystalSize(0) + 0.5 ) ;
+ Int_t zdim = (int)( (zimax - zimin ) / phosgeom->GetCrystalSize(2) + 0.5 ) ;
+
+ // 2. gets the histogram title
+
+ Text_t title[100] ;
+ sprintf(title,"Energy=%1.2f GeV ; Digits ; %d ", GetEnergy(), GetDigitsMultiplicity()) ;
+
+ if (!histo) {
+ delete histo ;
+ histo = 0 ;
+ }
+ histo = new TH2F("cluster3D", title, xdim, ximin, ximax, zdim, zimin, zimax) ;
+
+ Float_t x, z ;
+ for(iDigit=0; iDigit<kMulDigit; iDigit++) {
+ digit = (AliPHOSDigit *) ( please->GimeDigit(fDigitsList[iDigit]) ) ;
+ phosgeom->AbsToRelNumbering(digit->GetId(), relid) ;
+ phosgeom->RelPosInModule(relid, x, z);
+ histo->Fill(x, z, fEnergyList[iDigit] ) ;
+ }
+
+ if (!digitgraph) {
+ digitgraph = new TGraph(kMulDigit,xi,zi);
+ digitgraph-> SetMarkerStyle(5) ;
+ digitgraph-> SetMarkerSize(1.) ;
+ digitgraph-> SetMarkerColor(1) ;
+ digitgraph-> Paint("P") ;
+ }
+
+ Print() ;
+ histocanvas = new TCanvas("cluser", "a single cluster", 600, 500) ;
+ histocanvas->Draw() ;
+ histo->Draw("lego1") ;
+
+ delete[] xi ;
+ delete[] zi ;
+
+ break;
+ }
+
+ case kButton1Up:
+ if (digitgraph) {
+ delete digitgraph ;
+ digitgraph = 0 ;
+ }
+ break;
+
+ }
+}
+
+//____________________________________________________________________________
+Float_t AliPHOSCpvRecPoint::GetDispersion()
+{
+ // Calculates the dispersion of the shower at the origine of the RecPoint
+
+ AliPHOSIndexToObject * please = AliPHOSIndexToObject::GetInstance() ;
+
+ Float_t d = 0 ;
+ Float_t wtot = 0 ;
+
+ TVector3 locpos;
+ GetLocalPosition(locpos);
+ Float_t x = locpos.X() ;
+ Float_t z = locpos.Z() ;
+
+ AliPHOSDigit * digit ;
+ AliPHOSGeometry * phosgeom = (AliPHOSGeometry *) fGeom ;
+
+ Int_t iDigit;
+ for(iDigit=0; iDigit < fMulDigit; iDigit++) {
+ digit = (AliPHOSDigit *) ( please->GimeDigit(fDigitsList[iDigit]) ) ;
+ Int_t relid[4] ;
+ Float_t xi ;
+ Float_t zi ;
+ phosgeom->AbsToRelNumbering(digit->GetId(), relid) ;
+ phosgeom->RelPosInModule(relid, xi, zi);
+ Float_t w = TMath::Max(0.,fW0+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ;
+ d += w*((xi-x)*(xi-x) + (zi-z)*(zi-z) ) ;
+ wtot+=w ;
+ }
+
+ d /= wtot ;
+
+ return TMath::Sqrt(d) ;
+}
+
+//____________________________________________________________________________
+void AliPHOSCpvRecPoint::GetElipsAxis(Float_t * lambda)
+{
+ // Calculates the axis of the shower ellipsoid
+
+ AliPHOSIndexToObject * please = AliPHOSIndexToObject::GetInstance() ;
+
+ Float_t wtot = 0. ;
+ Float_t x = 0.;
+ Float_t z = 0.;
+ Float_t dxx = 0.;
+ Float_t dzz = 0.;
+ Float_t dxz = 0.;
+
+ AliPHOSDigit * digit ;
+ AliPHOSGeometry * phosgeom = (AliPHOSGeometry *) fGeom ;
+ Int_t iDigit;
+
+ for(iDigit=0; iDigit<fMulDigit; iDigit++) {
+ digit = (AliPHOSDigit *) ( please->GimeDigit(fDigitsList[iDigit]) ) ;
+ Int_t relid[4] ;
+ Float_t xi ;
+ Float_t zi ;
+ phosgeom->AbsToRelNumbering(digit->GetId(), relid) ;
+ phosgeom->RelPosInModule(relid, xi, zi);
+ Float_t w = TMath::Max(0.,fW0+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ;
+ dxx += w * xi * xi ;
+ x += w * xi ;
+ dzz += w * zi * zi ;
+ z += w * zi ;
+ dxz += w * xi * zi ;
+ wtot += w ;
+ }
+
+ dxx /= wtot ;
+ x /= wtot ;
+ dxx -= x * x ;
+ dzz /= wtot ;
+ z /= wtot ;
+ dzz -= z * z ;
+ dxz /= wtot ;
+ dxz -= x * z ;
+
+ Float_t tmp0 = 0.5 * (dxx + dzz) + TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz );
+ Float_t tmp1 = 0.5 * (dxx + dzz) - TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz );
+ if (tmp0>=0) lambda[0] = TMath::Sqrt(tmp0);
+ else lambda[0] = -TMath::Sqrt(-tmp0);
+ if (tmp1>=0) lambda[1] = TMath::Sqrt(tmp1);
+ else lambda[1] = -TMath::Sqrt(-tmp1);
+// lambda[0] = TMath::Sqrt( 0.5 * (dxx + dzz) + TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ) ) ;
+// lambda[1] = TMath::Sqrt( 0.5 * (dxx + dzz) - TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ) ) ;
+}
+
+//____________________________________________________________________________
+void AliPHOSCpvRecPoint::GetLocalPosition(TVector3 &LPos)
+{
+ // Calculates the center of gravity in the local PHOS-module coordinates
+
+ AliPHOSIndexToObject * please = AliPHOSIndexToObject::GetInstance() ;
+
+ if( fLocPos.X() < 1000000.) { // already evaluated
+ LPos = fLocPos ;
+ return ;
+ }
+
+ Float_t wtot = 0. ;
+
+ Int_t relid[4] ;
+
+ Float_t x = 0. ;
+ Float_t z = 0. ;
+
+ AliPHOSDigit * digit ;
+
+ AliPHOSGeometry * phosgeom = (AliPHOSGeometry *) fGeom ;
+
+ Int_t iDigit;
+
+ for(iDigit=0; iDigit<fMulDigit; iDigit++) {
+ digit = (AliPHOSDigit *) ( please->GimeDigit(fDigitsList[iDigit]) );
+
+ Float_t xi ;
+ Float_t zi ;
+ phosgeom->AbsToRelNumbering(digit->GetId(), relid) ;
+ phosgeom->RelPosInModule(relid, xi, zi);
+ Float_t w = TMath::Max( 0., fW0 + TMath::Log( fEnergyList[iDigit] / fAmp ) ) ;
+ x += xi * w ;
+ z += zi * w ;
+ wtot += w ;
+ }
+
+ if (wtot != 0) {
+ x /= wtot ;
+ z /= wtot ;
+ } else {
+ x = -1e6 ;
+ z = -1e6 ;
+ if (fMulDigit != 0) cout << "AliPHOSCpvRecPoint: too low log weight factor "
+ << "to evaluate cluster's center\n";
+ }
+ fLocPos.SetX(x) ;
+ fLocPos.SetY(0.) ;
+ fLocPos.SetZ(z) ;
+
+ LPos = fLocPos ;
+}
+
+//____________________________________________________________________________
+void AliPHOSCpvRecPoint::GetClusterLengths(Int_t &lengX, Int_t &lengZ)
+{
+ // Calculates the cluster lengths along X and Z axes
+ // These characteristics are needed for CPV to tune
+ // digitization+reconstruction to experimental data
+ // Yuri Kharlov. 24 October 2000
+
+ if( fLengX != -1 && fLengZ != -1 ) { // already evaluated
+ lengX = fLengX ;
+ lengZ = fLengZ ;
+ return ;
+ }
+
+ AliPHOSIndexToObject * please = AliPHOSIndexToObject::GetInstance() ;
+
+ Int_t relid[4] ;
+
+ AliPHOSDigit * digit ;
+
+ AliPHOSGeometry * phosgeom = (AliPHOSGeometry *) fGeom ;
+
+ const Int_t maxleng=20;
+ Int_t idX[maxleng], idZ[maxleng];
+ lengX = 0;
+ lengZ = 0;
+ Bool_t dejavu;
+
+ for(Int_t iDigit=0; iDigit<fMulDigit; iDigit++) {
+ digit = (AliPHOSDigit *) ( please->GimeDigit(fDigitsList[iDigit]) );
+ Int_t absId = digit->GetId();
+ phosgeom->AbsToRelNumbering(absId, relid) ;
+
+ dejavu=kFALSE;
+ for (Int_t i=0; i<lengX; i++) if (relid[2]==idX[i]) { dejavu=kTRUE; break; }
+ if (!dejavu) {
+ idX[lengX]=relid[2];
+ lengX++;
+ lengX = TMath::Min(lengX,maxleng);
+ }
+
+ dejavu=kFALSE;
+ for (Int_t i=0; i<lengZ; i++) if (relid[3]==idZ[i]) { dejavu=kTRUE; break; }
+ if (!dejavu) {
+ idZ[lengZ]=relid[3];
+ lengZ++;
+ lengZ = TMath::Min(lengZ,maxleng);
+ }
+ }
+ fLengX = lengX;
+ fLengZ = lengZ;
+}
+
+//____________________________________________________________________________
+Float_t AliPHOSCpvRecPoint::GetMaximalEnergy(void)
+{
+ // Finds the maximum energy in the cluster
+
+ Float_t menergy = 0. ;
+
+ Int_t iDigit;
+
+ for(iDigit=0; iDigit<fMulDigit; iDigit++) {
+
+ if(fEnergyList[iDigit] > menergy)
+ menergy = fEnergyList[iDigit] ;
+ }
+ return menergy ;
+}
+
+//____________________________________________________________________________
+Int_t AliPHOSCpvRecPoint::GetMultiplicityAtLevel(const Float_t H)
+{
+ // Calculates the multiplicity of digits with energy larger than H*energy
+
+ Int_t multipl = 0 ;
+ Int_t iDigit ;
+ for(iDigit=0; iDigit<fMulDigit; iDigit++) {
+
+ if(fEnergyList[iDigit] > H * fAmp)
+ multipl++ ;
+ }
+ return multipl ;
+}
+
+//____________________________________________________________________________
+Int_t AliPHOSCpvRecPoint::GetNumberOfLocalMax(Int_t * maxAt, Float_t * maxAtEnergy)
+{
+ // Calculates the number of local maxima in the cluster using fLocalMaxCut as the minimum
+ // energy difference between two local maxima
+
+ AliPHOSIndexToObject * please = AliPHOSIndexToObject::GetInstance() ;
+
+ AliPHOSDigit * digit ;
+ AliPHOSDigit * digitN ;
+
+
+ Int_t iDigitN ;
+ Int_t iDigit ;
+
+ for(iDigit = 0; iDigit < fMulDigit; iDigit++){
+ maxAt[iDigit] = (Int_t) ( please->GimeDigit(fDigitsList[iDigit]) ) ;
+ }
+
+ for(iDigit = 0 ; iDigit < fMulDigit; iDigit++) {
+ if(maxAt[iDigit] != -1) {
+ digit = (AliPHOSDigit *) maxAt[iDigit] ;
+
+ for(iDigitN = 0; iDigitN < fMulDigit; iDigitN++) {
+ digitN = (AliPHOSDigit *) ( please->GimeDigit(fDigitsList[iDigitN]) ) ;
+
+ if ( AreNeighbours(digit, digitN) ) {
+ if (fEnergyList[iDigit] > fEnergyList[iDigitN] ) {
+ maxAt[iDigitN] = -1 ;
+ // but may be digit too is not local max ?
+ if(fEnergyList[iDigit] < fEnergyList[iDigitN] + fLocMaxCut)
+ maxAt[iDigit] = -1 ;
+ }
+ else {
+ maxAt[iDigit] = -1 ;
+ // but may be digitN too is not local max ?
+ if(fEnergyList[iDigit] > fEnergyList[iDigitN] - fLocMaxCut)
+ maxAt[iDigitN] = -1 ;
+ }
+ } // if Areneighbours
+ } // while digitN
+ } // slot not empty
+ } // while digit
+
+ iDigitN = 0 ;
+ for(iDigit = 0; iDigit < fMulDigit; iDigit++) {
+ if(maxAt[iDigit] != -1){
+ maxAt[iDigitN] = maxAt[iDigit] ;
+ maxAtEnergy[iDigitN] = fEnergyList[iDigit] ;
+ iDigitN++ ;
+ }
+ }
+ return iDigitN ;
+}
+
+
+//____________________________________________________________________________
+void AliPHOSCpvRecPoint::Print(Option_t * option)
+{
+ // Print the list of digits belonging to the cluster
+
+ cout << "AliPHOSCpvRecPoint: " << endl ;
+
+ AliPHOSDigit * digit ;
+ Int_t iDigit;
+ AliPHOSGeometry * phosgeom = (AliPHOSGeometry *) fGeom ;
+
+ Float_t xi ;
+ Float_t zi ;
+ Int_t relid[4] ;
+
+ AliPHOSIndexToObject * please = AliPHOSIndexToObject::GetInstance() ;
+
+ for(iDigit=0; iDigit<fMulDigit; iDigit++) {
+ digit = please->GimeDigit( fDigitsList[iDigit] ) ;
+ phosgeom->AbsToRelNumbering(digit->GetId(), relid) ;
+ phosgeom->RelPosInModule(relid, xi, zi);
+ cout << " Id = " << digit->GetId() ;
+ cout << " module = " << relid[0] ;
+ cout << " x = " << xi ;
+ cout << " z = " << zi ;
+ cout << " Energy = " << fEnergyList[iDigit] << endl ;
+ }
+ cout << " Multiplicity = " << fMulDigit << endl ;
+ cout << " Cluster Energy = " << fAmp << endl ;
+ cout << " Stored at position " << GetIndexInList() << endl ;
+
+}
--- /dev/null
+#ifndef ALIPHOSCPVRECPOINT_H
+#define ALIPHOSCPVRECPOINT_H
+/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+ * See cxx source for full Copyright notice */
+
+/* $Id$ */
+
+//_________________________________________________________________________
+// RecPoint implementation for PHOS-CPV
+// An CpvRecPoint is a cluster of digits
+//
+//*-- Author: Yuri Kharlov 30 October 2000
+// (after Dmitri Peressounko (RRC KI & SUBATECH))
+
+// --- ROOT system ---
+
+#include "TObject.h"
+#include "TArrayI.h"
+
+// --- Standard library ---
+
+// --- AliRoot header files ---
+
+#include "AliPHOSDigit.h"
+#include "AliPHOSRecPoint.h"
+
+class AliPHOSCpvRecPoint : public AliPHOSRecPoint {
+
+public:
+
+ AliPHOSCpvRecPoint(){
+ // default ctor
+ fEnergyList = 0;
+ } ;
+ AliPHOSCpvRecPoint(Float_t W0, Float_t LocMaxCut) ;
+ AliPHOSCpvRecPoint(const AliPHOSCpvRecPoint & rp) {
+ // cpy ctor requested by Coding Convention
+ // but not yet needed
+ assert(0==1) ;
+ }
+
+ virtual ~AliPHOSCpvRecPoint() ;
+
+ virtual void AddDigit(AliPHOSDigit & digit, Float_t Energy) ; // add a digit to the digits list
+ Int_t Compare(TObject * obj) ; // method for sorting
+
+ Float_t GetDelta (){
+ // gets the fDelta data member
+ return fDelta ; }
+ Float_t GetDispersion() ; // computes the dispersion of the shower
+ void GetElipsAxis(Float_t * lambda) ; // computes the axis of shower ellipsoide
+ Float_t * GetEnergiesList(){
+ // gets the list of energies makink this recpoint
+ return fEnergyList ;}
+ virtual void ExecuteEvent(Int_t event, Int_t px, Int_t py) ;
+ Float_t GetLocMaxCut () {
+ // gets the cut of the local maximum search
+ return fLocMaxCut ; }
+ Float_t GetLogWeightCut (){
+ // gets the logarythmic weight for the center of gravity calculation
+ return fW0 ; }
+ Float_t GetMaximalEnergy(void) ; // get the highest energy in the cluster
+ Int_t GetMaximumMultiplicity() {
+ // gets the maximum number of digits allowed
+ return fMaxDigit ; }
+ Int_t GetMultiplicity(void) const {
+ // gets the number of digits making this recpoint
+ return fMulDigit ; }
+ Int_t GetMultiplicityAtLevel(const Float_t level) ; // computes multiplicity of digits with energy above relative level
+ Int_t GetNumberOfLocalMax(Int_t * maxAt, Float_t * maxAtEnergy) ; // searches for the local maxima
+
+ Float_t GetTotalEnergy(void) const {
+ // gets the total amplitude of this recpoint (in EMC RecPoint Amp = Energy)
+ return fAmp ; }
+ void GetLocalPosition(TVector3 &Lpos) ; // computes the position in the PHOS module
+ void GetClusterLengths(Int_t &lengX, Int_t &lengZ); // cluster lengths along x and z
+ Bool_t IsCPV(void) {
+ // true if the recpoint is in CPV
+ return kTRUE ; }
+ Bool_t IsSortable() const {
+ // says that emcrecpoints are sortable objects
+ return kTRUE ; }
+ void Print(Option_t * opt = "void") ;
+
+ AliPHOSCpvRecPoint & operator = (const AliPHOSCpvRecPoint & rvalue) {
+ // assignement operator requested by coding convention
+ // but not needed
+ assert(0==1) ;
+ return *this ;
+ }
+
+ private:
+
+ Bool_t AreNeighbours(AliPHOSDigit * digit1, AliPHOSDigit * digit2 ) ;
+
+ Float_t fDelta ; // parameter used to sort the clusters
+ Float_t *fEnergyList ; //[fMulDigit] energy of digits
+ Float_t fLocMaxCut ; // minimum energy difference to distinguish two maxima
+ Float_t fW0 ; // logarithmic weight factor for center of gravity calculation
+ Int_t fLengX ; // cluster length along x
+ Int_t fLengZ ; // cluster length along z
+
+ ClassDef(AliPHOSCpvRecPoint,1) // CPV RecPoint (cluster)
+
+};
+
+#endif // AliPHOSCPVRECPOINT_H
git://git.uio.no / u/mrichter/AliRoot.git / commitdiff