* 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)
fW0 = W0 ;
fLocMaxCut = LocMaxCut ;
fLocPos.SetX(1000000.) ; //Local position should be evaluated
+
}
//____________________________________________________________________________
-AliPHOSEmcRecPoint::~AliPHOSEmcRecPoint()
+AliPHOSEmcRecPoint::~AliPHOSEmcRecPoint()
{
- // 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 ;
//____________________________________________________________________________
Int_t AliPHOSEmcRecPoint::Compare(TObject * obj)
{
+ // Compares two RecPoints according to their position in the PHOS modules
+
Int_t rv ;
AliPHOSEmcRecPoint * clu = (AliPHOSEmcRecPoint *)obj ;
//______________________________________________________________________________
void AliPHOSEmcRecPoint::ExecuteEvent(Int_t event, Int_t px, Int_t py)
{
- //Execute action corresponding to one event
+ // 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
// 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 fMulDigit = AliPHOSEmcRecPoint::GetDigitsMultiplicity() ;
+ Float_t * xi = new Float_t[fMulDigit] ;
+ Float_t * zi = new Float_t[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 *) ( 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<fMulDigit; 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(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") ;
+
+ delete[] xi ;
+ delete[] zi ;
+
+ break;
+ }
+
+ case kButton1Up:
+ if (digitgraph) {
+ delete digitgraph ;
+ digitgraph = 0 ;
+ }
+ break;
}
}
//____________________________________________________________________________
Float_t AliPHOSEmcRecPoint::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 ;
GetLocalPosition(locpos);
Float_t x = locpos.X() ;
Float_t z = locpos.Z() ;
- // Int_t i = GetPHOSMod() ;
AliPHOSDigit * digit ;
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 ;
//____________________________________________________________________________
void AliPHOSEmcRecPoint::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.;
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 ;
lambda[1] = TMath::Sqrt( 0.5 * (dxx + dzz) - TMath::Sqrt( 0.25 * (dxx - dzz) * (dxx - dzz) + dxz * dxz ) ) ;
}
+//____________________________________________________________________________
+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_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 iDigit ;
for(iDigit = 0; iDigit < fMulDigit; iDigit++){
- maxAt[iDigit] = fDigitsList[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 *) fDigitsList[iDigitN] ;
+ digitN = (AliPHOSDigit *) ( please->GimeDigit(fDigitsList[iDigitN]) ) ;
if ( AreNeighbours(digit, digitN) ) {
if (fEnergyList[iDigit] > fEnergyList[iDigitN] ) {
return iDigitN ;
}
-//____________________________________________________________________________
-void AliPHOSEmcRecPoint::GetLocalPosition(TVector3 &LPos)
-{
- 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 *) 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)
//____________________________________________________________________________
void AliPHOSEmcRecPoint::Print(Option_t * option)
{
+ // Print the list of digits belonging to the cluster
+
cout << "AliPHOSEmcRecPoint: " << endl ;
AliPHOSDigit * digit ;
Float_t xi ;
Float_t zi ;
Int_t relid[4] ;
-
+
+ AliPHOSIndexToObject * please = AliPHOSIndexToObject::GetInstance() ;
+
for(iDigit=0; iDigit<fMulDigit; iDigit++) {
- digit = (AliPHOSDigit *) fDigitsList[iDigit];
+ digit = please->GimeDigit( fDigitsList[iDigit] ) ;
phosgeom->AbsToRelNumbering(digit->GetId(), relid) ;
phosgeom->RelPosInModule(relid, xi, zi);
cout << " Id = " << digit->GetId() ;
}
cout << " Multiplicity = " << fMulDigit << endl ;
cout << " Cluster Energy = " << fAmp << endl ;
-
+ cout << " Stored at position " << GetIndexInList() << endl ;
+
}
-
//______________________________________________________________________________
void AliPHOSEmcRecPoint::Streamer(TBuffer &R__b)
{
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.ReadArray(fEnergyList);
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.WriteArray(fEnergyList, GetMaximumDigitMultiplicity() );
R__b << fW0;
}
}
-
-
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff