* provided "as is" without express or implied warranty. *
**************************************************************************/
+/* $Id$ */
+
//_________________________________________________________________________
-// Rec Point in the PHOS EM calorimeter
-//*-- Author : Dmitri Peressounko RRC KI
-//////////////////////////////////////////////////////////////////////////////
+// RecPoint implementation for PHOS-EMC
+// An EmcRecPoint is a cluster of digits
+//
+//*-- Author: Dmitri Peressounko (RRC KI & SUBATECH)
+
// --- ROOT system ---
#include "TPad.h"
// --- Standard library ---
-#include <iostream>
+#include <iostream.h>
// --- AliRoot header files ---
#include "AliPHOSGeometry.h"
#include "AliPHOSEmcRecPoint.h"
#include "AliRun.h"
+#include "AliPHOSIndexToObject.h"
ClassImp(AliPHOSEmcRecPoint)
fMulDigit = 0 ;
fAmp = 0. ;
fEnergyList = new Float_t[fMaxDigit];
- AliPHOSGeometry * PHOSGeom = (AliPHOSGeometry *) fGeom ;
- fDelta = PHOSGeom->GetCrystalSize(0) ;
+ AliPHOSGeometry * phosgeom = (AliPHOSGeometry *) fGeom ;
+ fDelta = phosgeom->GetCrystalSize(0) ;
fW0 = W0 ;
fLocMaxCut = LocMaxCut ;
fLocPos.SetX(1000000.) ; //Local position should be evaluated
+
}
//____________________________________________________________________________
-AliPHOSEmcRecPoint::~AliPHOSEmcRecPoint()
+AliPHOSEmcRecPoint::~AliPHOSEmcRecPoint()
{
- // dtor
+ // dtor
+ if ( fEnergyList )
+ delete[] fEnergyList ;
}
//____________________________________________________________________________
-void AliPHOSEmcRecPoint::AddDigit(AliDigitNew & digit, Float_t Energy)
+void AliPHOSEmcRecPoint::AddDigit(AliPHOSDigit & digit, Float_t Energy)
{
- // adds a digit to the digits list
- // and accumulates the total amplitude and the multiplicity
+ // 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 * tempo = new ( int[fMaxDigit] ) ;
+ 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] ;
+ tempo[index] = fDigitsList[index] ;
tempoE[index] = fEnergyList[index] ;
}
delete [] fDigitsList ;
- fDigitsList = new ( int[fMaxDigit] ) ;
+ fDigitsList = new ( Int_t[fMaxDigit] ) ;
delete [] fEnergyList ;
fEnergyList = new ( Float_t[fMaxDigit] ) ;
delete [] tempoE ;
} // if
- fDigitsList[fMulDigit] = (int) &digit ;
- fEnergyList[fMulDigit++] = Energy ;
+ fDigitsList[fMulDigit] = digit.GetIndexInList() ;
+ fEnergyList[fMulDigit] = Energy ;
+ fMulDigit++ ;
fAmp += Energy ;
}
//____________________________________________________________________________
Bool_t AliPHOSEmcRecPoint::AreNeighbours(AliPHOSDigit * digit1, AliPHOSDigit * digit2 )
{
+ // Tells if (true) or not (false) two digits are neighbors)
Bool_t aren = kFALSE ;
- AliPHOSGeometry * PHOSGeom = (AliPHOSGeometry *) fGeom ;
+ AliPHOSGeometry * phosgeom = (AliPHOSGeometry *) fGeom ;
Int_t relid1[4] ;
- PHOSGeom->AbsToRelNumbering(digit1->GetId(), relid1) ;
+ phosgeom->AbsToRelNumbering(digit1->GetId(), relid1) ;
Int_t relid2[4] ;
- PHOSGeom->AbsToRelNumbering(digit2->GetId(), relid2) ;
+ phosgeom->AbsToRelNumbering(digit2->GetId(), relid2) ;
- Int_t RowDiff = TMath::Abs( relid1[2] - relid2[2] ) ;
- Int_t ColDiff = TMath::Abs( relid1[3] - relid2[3] ) ;
+ 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))
+ if (( coldiff <= 1 ) && ( rowdiff <= 1 ) && (coldiff + rowdiff > 0))
aren = kTRUE ;
return aren ;
//____________________________________________________________________________
Int_t AliPHOSEmcRecPoint::Compare(TObject * obj)
{
+ // Compares two RecPoints according to their position in the PHOS modules
+
Int_t rv ;
AliPHOSEmcRecPoint * clu = (AliPHOSEmcRecPoint *)obj ;
- Int_t PHOSMod1 = this->GetPHOSMod() ;
- Int_t PHOSMod2 = clu->GetPHOSMod() ;
+ Int_t phosmod1 = this->GetPHOSMod() ;
+ Int_t phosmod2 = clu->GetPHOSMod() ;
- TVector3 LocPos1;
- this->GetLocalPosition(LocPos1) ;
- TVector3 LocPos2;
- clu->GetLocalPosition(LocPos2) ;
+ 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(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())
+ else if(locpos1.Z()>locpos2.Z())
rv = -1 ;
else
rv = 1 ;
}
else {
- if(PHOSMod1 < PHOSMod2 )
+ if(phosmod1 < phosmod2 )
rv = -1 ;
else
rv = 1 ;
//______________________________________________________________________________
void AliPHOSEmcRecPoint::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.
-//
+ // 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;
- 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] ;
- Float_t xi[fMulDigit] ;
- Float_t zi[fMulDigit] ;
-
- // 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<fMulDigit; iDigit++) {
- digit = (AliPHOSDigit *) 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()) ;
+ AliPHOSIndexToObject * please = AliPHOSIndexToObject::GetInstance() ;
- 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<fMulDigit; iDigit++) {
- digit = (AliPHOSDigit *) fDigitsList[iDigit];
- PHOSGeom->AbsToRelNumbering(digit->GetId(), relid) ;
- PHOSGeom->RelPosInModule(relid, x, z);
- Histo->Fill(x, z, fEnergyList[iDigit] ) ;
- }
-
- if (!DigitGraph) {
- DigitGraph = new TGraph(fMulDigit,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") ;
-
- break;
- }
-
- case kButton1Up:
- if (DigitGraph) {
- delete DigitGraph ;
- DigitGraph = 0 ;
- }
- break;
+ 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 = AliPHOSEmcRecPoint::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 AliPHOSEmcRecPoint::GetDispersion()
{
- Float_t D = 0 ;
+ // 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() ;
- // Int_t i = GetPHOSMod() ;
+ TVector3 locpos;
+ GetLocalPosition(locpos);
+ Float_t x = locpos.X() ;
+ Float_t z = locpos.Z() ;
AliPHOSDigit * digit ;
- AliPHOSGeometry * PHOSGeom = (AliPHOSGeometry *) fGeom ;
+ AliPHOSGeometry * phosgeom = (AliPHOSGeometry *) fGeom ;
Int_t iDigit;
- for(iDigit=0; iDigit<fMulDigit; iDigit++) {
- digit = (AliPHOSDigit *) fDigitsList[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);
+ 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) ) ;
+ d += w*((xi-x)*(xi-x) + (zi-z)*(zi-z) ) ;
wtot+=w ;
}
- D /= wtot ;
+ d /= wtot ;
- return TMath::Sqrt(D) ;
+ return TMath::Sqrt(d) ;
+}
+//______________________________________________________________________________
+Float_t AliPHOSEmcRecPoint::CoreEnergy()
+{
+ //This function calculates energy in the core,
+ //i.e. within radius rad = 3cm. Beyond this radius
+ //in accoradnce with shower profile energy deposition
+ // should be less than 2%
+
+ AliPHOSIndexToObject * please = AliPHOSIndexToObject::GetInstance() ;
+
+ Float_t eCore = 0 ;
+ Float_t coreRadius = 3 ;
+
+ 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 distance = TMath::Sqrt((xi-x)*(xi-x)+(zi-z)*(zi-z)) ;
+ if(distance < coreRadius)
+ eCore += fEnergyList[iDigit] ;
+ }
+
+return eCore ;
}
//____________________________________________________________________________
void AliPHOSEmcRecPoint::GetElipsAxis(Float_t * lambda)
{
- Float_t wtot = 0. ;
- Float_t x = 0.;
- Float_t z = 0.;
- Float_t Dxx = 0.;
- Float_t Dzz = 0.;
- Float_t Dxz = 0.;
+ // Calculates the axis of the shower ellipsoid
+
+ AliPHOSIndexToObject * please = AliPHOSIndexToObject::GetInstance() ;
+
+ Double_t wtot = 0. ;
+ Double_t x = 0.;
+ Double_t z = 0.;
+ Double_t dxx = 0.;
+ Double_t dzz = 0.;
+ Double_t dxz = 0.;
AliPHOSDigit * digit ;
- AliPHOSGeometry * PHOSGeom = (AliPHOSGeometry *) fGeom ;
+ AliPHOSGeometry * phosgeom = (AliPHOSGeometry *) fGeom ;
Int_t iDigit;
for(iDigit=0; iDigit<fMulDigit; iDigit++) {
- digit = (AliPHOSDigit *) fDigitsList[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 ;
+ phosgeom->AbsToRelNumbering(digit->GetId(), relid) ;
+ phosgeom->RelPosInModule(relid, xi, zi);
+ Double_t w = TMath::Max(0.,fW0+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ;
+ dxx += w * xi * xi ;
x += w * xi ;
- Dzz += w * zi * zi ;
+ dzz += w * zi * zi ;
z += w * zi ;
- Dxz += w * xi * zi ;
+ dxz += w * xi * zi ;
wtot += w ;
}
-
- Dxx /= wtot ;
+ dxx /= wtot ;
x /= wtot ;
- Dxx -= x * x ;
- Dzz /= wtot ;
+ dxx -= x * x ;
+ dzz /= wtot ;
z /= wtot ;
- Dzz -= z * z ;
- Dxz /= wtot ;
- Dxz -= x * z ;
+ dzz -= z * z ;
+ dxz /= wtot ;
+ dxz -= x * z ;
+
+// //Apply correction due to non-perpendicular incidence
+// Double_t CosX ;
+// Double_t CosZ ;
+// Double_t DistanceToIP= (Double_t ) ((AliPHOSGeometry *) fGeom)->GetIPtoCrystalSurface() ;
+
+// CosX = DistanceToIP/TMath::Sqrt(DistanceToIP*DistanceToIP+x*x) ;
+// CosZ = DistanceToIP/TMath::Sqrt(DistanceToIP*DistanceToIP+z*z) ;
+
+// dxx = dxx/(CosX*CosX) ;
+// dzz = dzz/(CosZ*CosZ) ;
+// dxz = dxz/(CosX*CosZ) ;
+
- 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 ) ) ;
+ lambda[0] = 0.5 * (dxx + dzz) + TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ) ;
+ if(lambda[0] > 0)
+ lambda[0] = TMath::Sqrt(lambda[0]) ;
+
+ lambda[1] = 0.5 * (dxx + dzz) - TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ) ;
+ if(lambda[1] > 0) //To avoid exception if numerical errors lead to negative lambda.
+ lambda[1] = TMath::Sqrt(lambda[1]) ;
+ else
+ lambda[1]= 0. ;
+}
+
+//____________________________________________________________________________
+void AliPHOSEmcRecPoint::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 ;
+
+ }
+
+ x /= wtot ;
+ z /= wtot ;
+ fLocPos.SetX(x) ;
+ fLocPos.SetY(0.) ;
+ fLocPos.SetZ(z) ;
+
+ LPos = fLocPos ;
}
//____________________________________________________________________________
Float_t AliPHOSEmcRecPoint::GetMaximalEnergy(void)
{
+ // Finds the maximum energy in the cluster
+
Float_t menergy = 0. ;
Int_t iDigit;
}
//____________________________________________________________________________
-Int_t AliPHOSEmcRecPoint::GetMultiplicityAtLevel(Float_t H)
+Int_t AliPHOSEmcRecPoint::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++) {
}
//____________________________________________________________________________
-Int_t AliPHOSEmcRecPoint::GetNumberOfLocalMax(int * maxAt, Float_t * maxAtEnergy)
+Int_t AliPHOSEmcRecPoint::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] = fDigitsList[iDigit] ;
+ for(iDigit = 0; iDigit < fMulDigit; iDigit++){
+ maxAt[iDigit] = (Int_t) ( please->GimeDigit(fDigitsList[iDigit]) ) ;
}
- for(iDigit=0 ; iDigit<fMulDigit; iDigit++) {
+ for(iDigit = 0 ; iDigit < fMulDigit; iDigit++) {
if(maxAt[iDigit] != -1) {
digit = (AliPHOSDigit *) maxAt[iDigit] ;
-
- for(iDigitN=0; iDigitN<fMulDigit; iDigitN++) {
- digitN = (AliPHOSDigit *) fDigitsList[iDigitN] ;
+
+ 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 is not local max too ?
- if(fEnergyList[iDigit]<fEnergyList[iDigitN]+fLocMaxCut)
+ // 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 is not local max too ?
- if(fEnergyList[iDigit] >fEnergyList[iDigitN]-fLocMaxCut)
+ // but may be digitN too is not local max ?
+ if(fEnergyList[iDigit] > fEnergyList[iDigitN] - fLocMaxCut)
maxAt[iDigitN] = -1 ;
}
} // if Areneighbours
} // while digit
iDigitN = 0 ;
- for(iDigit=0; iDigit<fMulDigit; iDigit++) {
+ for(iDigit = 0; iDigit < fMulDigit; iDigit++) {
if(maxAt[iDigit] != -1){
maxAt[iDigitN] = maxAt[iDigit] ;
maxAtEnergy[iDigitN] = fEnergyList[iDigit] ;
return iDigitN ;
}
-//____________________________________________________________________________
-void AliPHOSEmcRecPoint::GetLocalPosition(TVector3 &LPos)
-{
- if( fLocPos.X() < 1000000.) { //allready 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 *) 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 ;
-
- }
-
- x /= wtot ;
- z /= wtot ;
- fLocPos.SetX(x) ;
- fLocPos.SetY(0.) ;
- fLocPos.SetZ(z) ;
-
- LPos = fLocPos ;
-}
// //____________________________________________________________________________
// AliPHOSEmcRecPoint& AliPHOSEmcRecPoint::operator = (AliPHOSEmcRecPoint Clu)
// {
-// int * DL = Clu.GetDigitsList() ;
+// int * dl = Clu.GetDigitsList() ;
// if(fDigitsList)
// delete fDigitsList ;
// Int_t iDigit;
// for(iDigit=0; iDigit<fMulDigit; iDigit++) {
-// digit = (AliPHOSDigit *) DL[iDigit];
+// digit = (AliPHOSDigit *) dl[iDigit];
// AddDigit(*digit) ;
// }
// fAmp = Clu.GetTotalEnergy() ;
// fGeom = Clu.GetGeom() ;
-// TVector3 LocPos;
-// Clu.GetLocalPosition(LocPos) ;
-// fLocPos = LocPos;
+// TVector3 locpos;
+// Clu.GetLocalPosition(locpos) ;
+// fLocPos = locpos;
// fMulDigit = Clu.GetMultiplicity() ;
// fMaxDigit = Clu.GetMaximumMultiplicity() ;
// fPHOSMod = Clu.GetPHOSMod() ;
// fDelta = Clu.GetDelta() ;
// fLocMaxCut = Clu.GetLocMaxCut() ;
-// delete DL ;
+// delete dl ;
// return *this ;
// }
//____________________________________________________________________________
void AliPHOSEmcRecPoint::Print(Option_t * option)
{
+ // Print the list of digits belonging to the cluster
+
cout << "AliPHOSEmcRecPoint: " << endl ;
AliPHOSDigit * digit ;
Int_t iDigit;
- AliPHOSGeometry * PHOSGeom = (AliPHOSGeometry *) fGeom ;
+ 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 = (AliPHOSDigit *) fDigitsList[iDigit];
- PHOSGeom->AbsToRelNumbering(digit->GetId(), relid) ;
- PHOSGeom->RelPosInModule(relid, xi, zi);
+ 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 << " Multiplicity = " << fMulDigit << endl ;
cout << " Cluster Energy = " << fAmp << endl ;
-
+ cout << " Stored at position " << GetIndexInList() << endl ;
+
}
-
//______________________________________________________________________________
-void AliPHOSEmcRecPoint::Streamer(TBuffer &R__b)
-{
- // Stream an object of class AliPHOSEmcRecPoint.
-
- if (R__b.IsReading()) {
- Version_t R__v = R__b.ReadVersion(); if (R__v) { }
- AliPHOSRecPoint::Streamer(R__b);
- R__b >> fDelta;
- R__b >> fLocMaxCut;
- R__b.ReadArray(fEnergyList);
- R__b >> fW0;
- } else {
- R__b.WriteVersion(AliPHOSEmcRecPoint::IsA());
- AliPHOSRecPoint::Streamer(R__b);
- R__b << fDelta;
- R__b << fLocMaxCut;
- R__b.WriteArray(fEnergyList, GetMaximumDigitMultiplicity() );
- R__b << fW0;
- }
-}
-
-
+// void AliPHOSEmcRecPoint::Streamer(TBuffer &R__b)
+// {
+// // Stream an object of class AliPHOSEmcRecPoint.
+
+// if (R__b.IsReading()) {
+// Version_t R__v = R__b.ReadVersion(); if (R__v) { }
+// AliPHOSRecPoint::Streamer(R__b);
+// R__b >> fDelta;
+// fEnergyList = new Float_t[fMulDigit] ;
+// R__b.ReadFastArray(fEnergyList, fMulDigit);
+// R__b >> fLocMaxCut;
+// R__b >> fW0;
+// } else {
+// R__b.WriteVersion(AliPHOSEmcRecPoint::IsA());
+// AliPHOSRecPoint::Streamer(R__b);
+// R__b << fDelta;
+// R__b.WriteFastArray(fEnergyList, fMulDigit);
+// R__b << fLocMaxCut;
+// R__b << fW0;
+// }
+// }
+