//_________________________________________________________________________
// RecPoint implementation for PHOS-EMC
// An EmcRecPoint is a cluster of digits
-//
+//*--
//*-- Author: Dmitri Peressounko (RRC KI & SUBATECH)
#include "AliPHOSGeometry.h"
#include "AliPHOSEmcRecPoint.h"
#include "AliRun.h"
+#include "AliPHOSGetter.h"
ClassImp(AliPHOSEmcRecPoint)
fAmp = 0. ;
fCoreEnergy = 0 ;
fEnergyList = 0 ;
- fGeom = AliPHOSGeometry::GetInstance() ;
+ fTime = -1. ;
+ fLocPos.SetX(1000000.) ; //Local position should be evaluated
+
+}
+
+//____________________________________________________________________________
+AliPHOSEmcRecPoint::AliPHOSEmcRecPoint(const char * opt) : AliPHOSRecPoint(opt)
+{
+ // ctor
+
+ fMulDigit = 0 ;
+ fAmp = 0. ;
+ fCoreEnergy = 0 ;
+ fEnergyList = 0 ;
+ fTime = -1. ;
fLocPos.SetX(1000000.) ; //Local position should be evaluated
}
Bool_t aren = kFALSE ;
- AliPHOSGeometry * phosgeom = (AliPHOSGeometry *) fGeom ;
+ AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ;
+ AliPHOSGeometry * phosgeom = (AliPHOSGeometry*)gime->PHOSGeometry();
+
Int_t relid1[4] ;
phosgeom->AbsToRelNumbering(digit1->GetId(), relid1) ;
return rv ;
}
-
//______________________________________________________________________________
-void AliPHOSEmcRecPoint::ExecuteEvent(Int_t event, Int_t px, Int_t py)
+void AliPHOSEmcRecPoint::ExecuteEvent(Int_t event, Int_t px, Int_t py) const
{
-// Commented by Dmitri Peressounko: there is no possibility to ensure,
-// that AliPHOSIndexToObject keeps the correct information.
-
-// // 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 ;
+ // 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.
-// if (!gPad->IsEditable()) return;
+
+ AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ;
+ if(!gime) return ;
+ AliPHOSGeometry * phosgeom = (AliPHOSGeometry*)gime->PHOSGeometry();
-// TH2F * histo = 0 ;
-// TCanvas * histocanvas ;
+ static TGraph * digitgraph = 0 ;
-// switch (event) {
+ if (!gPad->IsEditable()) return;
+
+ TH2F * histo = 0 ;
+ TCanvas * histocanvas ;
+
+ const TClonesArray * digits = gime->Digits() ;
+
+ switch (event) {
-// case kButton1Down: {
-// AliPHOSDigit * digit ;
-// AliPHOSGeometry * phosgeom = (AliPHOSGeometry *) fGeom ;
-// Int_t iDigit;
-// Int_t relid[4] ;
+ case kButton1Down: {
+ AliPHOSDigit * digit ;
+ 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] ;
+ 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. ;
+ // 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 ) ;
+ for(iDigit=0; iDigit<kMulDigit; iDigit++) {
+ digit = (AliPHOSDigit *) digits->At(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
+ // 2. gets the histogram title
-// Text_t title[100] ;
-// sprintf(title,"Energy=%1.2f GeV ; Digits ; %d ", GetEnergy(), GetDigitsMultiplicity()) ;
+ 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) ;
+ 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] ) ;
-// }
+ Float_t x, z ;
+ for(iDigit=0; iDigit<kMulDigit; iDigit++) {
+ digit = (AliPHOSDigit *) digits->At(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") ;
-// }
+ if (!digitgraph) {
+ digitgraph = new TGraph(kMulDigit,xi,zi);
+ digitgraph-> SetMarkerStyle(5) ;
+ digitgraph-> SetMarkerSize(1.) ;
+ digitgraph-> SetMarkerColor(1) ;
+ digitgraph-> Paint("P") ;
+ }
-// Print() ;
-// histocanvas = new TCanvas("cluster", "a single cluster", 600, 500) ;
-// histocanvas->Draw() ;
-// histo->Draw("lego1") ;
+ // Print() ;
+ histocanvas = new TCanvas("cluster", "a single cluster", 600, 500) ;
+ histocanvas->Draw() ;
+ histo->Draw("lego1") ;
-// delete[] xi ;
-// delete[] zi ;
+ delete[] xi ;
+ delete[] zi ;
-// break;
-// }
+ break;
+ }
-// case kButton1Up:
-// if (digitgraph) {
-// delete digitgraph ;
-// digitgraph = 0 ;
-// }
-// break;
+ case kButton1Up:
+ if (digitgraph) {
+ delete digitgraph ;
+ digitgraph = 0 ;
+ }
+ break;
-// }
+ }
}
//____________________________________________________________________________
{
// Calculates the dispersion of the shower at the origine of the RecPoint
- Float_t d = 0 ;
- Float_t wtot = 0 ;
+ Float_t d = 0. ;
+ Float_t wtot = 0. ;
- TVector3 locpos;
- GetLocalPosition(locpos);
- Float_t x = locpos.X() ;
- Float_t z = locpos.Z() ;
+ Float_t x = 0.;
+ Float_t z = 0.;
AliPHOSDigit * digit ;
- AliPHOSGeometry * phosgeom = (AliPHOSGeometry *) fGeom ;
+
+ AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ;
+ AliPHOSGeometry * phosgeom = (AliPHOSGeometry*)gime->PHOSGeometry();
+
+
+ // Calculates the center of gravity in the local PHOS-module coordinates
Int_t iDigit;
+
+ for(iDigit=0; iDigit<fMulDigit; iDigit++) {
+ digit = (AliPHOSDigit *) digits->At(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., logWeight + TMath::Log( fEnergyList[iDigit] / fAmp ) ) ;
+ x += xi * w ;
+ z += zi * w ;
+ wtot += w ;
+ }
+ x /= wtot ;
+ z /= wtot ;
+
+
+// Calculates the dispersion in coordinates
+ wtot = 0.;
for(iDigit=0; iDigit < fMulDigit; iDigit++) {
digit = (AliPHOSDigit *) digits->At(fDigitsList[iDigit]) ;
Int_t relid[4] ;
Float_t w = TMath::Max(0.,logWeight+TMath::Log(fEnergyList[iDigit]/fAmp ) ) ;
d += w*((xi-x)*(xi-x) + (zi-z)*(zi-z) ) ;
wtot+=w ;
- }
+
+ }
+
d /= wtot ;
fDispersion = TMath::Sqrt(d) ;
+
}
//______________________________________________________________________________
-void AliPHOSEmcRecPoint::EvalCoreEnergy(TClonesArray * digits)
+void AliPHOSEmcRecPoint::EvalCoreEnergy(Float_t logWeight, TClonesArray * digits)
{
// This function calculates energy in the core,
// i.e. within a radius rad = 3cm around the center. Beyond this radius
Float_t coreRadius = 3 ;
- TVector3 locpos;
- GetLocalPosition(locpos);
- Float_t x = locpos.X() ;
- Float_t z = locpos.Z() ;
+ Float_t x = 0 ;
+ Float_t z = 0 ;
AliPHOSDigit * digit ;
- AliPHOSGeometry * phosgeom = (AliPHOSGeometry *) fGeom ;
-
+
+ AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ;
+ AliPHOSGeometry * phosgeom = (AliPHOSGeometry*)gime->PHOSGeometry();
+
Int_t iDigit;
+
+// Calculates the center of gravity in the local PHOS-module coordinates
+ Float_t wtot = 0;
+ for(iDigit=0; iDigit<fMulDigit; iDigit++) {
+ digit = (AliPHOSDigit *) digits->At(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., logWeight + TMath::Log( fEnergyList[iDigit] / fAmp ) ) ;
+ x += xi * w ;
+ z += zi * w ;
+ wtot += w ;
+ }
+ x /= wtot ;
+ z /= wtot ;
+
+
for(iDigit=0; iDigit < fMulDigit; iDigit++) {
digit = (AliPHOSDigit *) ( digits->At(fDigitsList[iDigit]) ) ;
Int_t relid[4] ;
Double_t dxz = 0.;
AliPHOSDigit * digit ;
- AliPHOSGeometry * phosgeom = (AliPHOSGeometry *) fGeom ;
+
+ AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ;
+ AliPHOSGeometry * phosgeom = (AliPHOSGeometry*)gime->PHOSGeometry();
+
Int_t iDigit;
+
for(iDigit=0; iDigit<fMulDigit; iDigit++) {
digit = (AliPHOSDigit *) digits->At(fDigitsList[iDigit]) ;
Int_t relid[4] ;
// //Apply correction due to non-perpendicular incidence
// Double_t CosX ;
// Double_t CosZ ;
-// Double_t DistanceToIP= (Double_t ) ((AliPHOSGeometry *) fGeom)->GetIPtoCrystalSurface() ;
+// AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ;
+// AliPHOSGeometry * phosgeom = (AliPHOSGeometry*)gime->PHOSGeometry();
+ // Double_t DistanceToIP= (Double_t ) phosgeom->GetIPtoCrystalSurface() ;
// CosX = DistanceToIP/TMath::Sqrt(DistanceToIP*DistanceToIP+x*x) ;
// CosZ = DistanceToIP/TMath::Sqrt(DistanceToIP*DistanceToIP+z*z) ;
//____________________________________________________________________________
void AliPHOSEmcRecPoint::EvalAll(Float_t logWeight, TClonesArray * digits )
{
- // calculates the various parameters characterizing the RecPoint
+ // Evaluates all shower parameters
+
AliPHOSRecPoint::EvalAll(logWeight,digits) ;
EvalLocalPosition(logWeight, digits) ;
EvalElipsAxis(logWeight, digits) ;
EvalDispersion(logWeight, digits) ;
- EvalCoreEnergy(digits);
+ EvalCoreEnergy(logWeight, digits);
+ EvalTime(digits) ;
}
//____________________________________________________________________________
void AliPHOSEmcRecPoint::EvalLocalPosition(Float_t logWeight, TClonesArray * digits)
AliPHOSDigit * digit ;
- AliPHOSGeometry * phosgeom = (AliPHOSGeometry *) fGeom ;
+ AliPHOSGetter * gime = AliPHOSGetter::GetInstance() ;
+ AliPHOSGeometry * phosgeom = (AliPHOSGeometry*)gime->PHOSGeometry();
Int_t iDigit;
}
//____________________________________________________________________________
-Int_t AliPHOSEmcRecPoint::GetNumberOfLocalMax(Int_t * maxAt, Float_t * maxAtEnergy,
+Int_t AliPHOSEmcRecPoint::GetNumberOfLocalMax( AliPHOSDigit ** maxAt, Float_t * maxAtEnergy,
Float_t locMaxCut,TClonesArray * digits) const
{
// Calculates the number of local maxima in the cluster using fLocalMaxCut as the minimum
Int_t iDigit ;
for(iDigit = 0; iDigit < fMulDigit; iDigit++)
- maxAt[iDigit] = (Int_t) digits->At(fDigitsList[iDigit]) ;
+ maxAt[iDigit] = (AliPHOSDigit*) digits->At(fDigitsList[iDigit]) ;
for(iDigit = 0 ; iDigit < fMulDigit; iDigit++) {
- if(maxAt[iDigit] != -1) {
- digit = (AliPHOSDigit *) maxAt[iDigit] ;
+ if(maxAt[iDigit]) {
+ digit = maxAt[iDigit] ;
for(iDigitN = 0; iDigitN < fMulDigit; iDigitN++) {
digitN = (AliPHOSDigit *) digits->At(fDigitsList[iDigitN]) ;
if ( AreNeighbours(digit, digitN) ) {
if (fEnergyList[iDigit] > fEnergyList[iDigitN] ) {
- maxAt[iDigitN] = -1 ;
+ maxAt[iDigitN] = 0 ;
// but may be digit too is not local max ?
if(fEnergyList[iDigit] < fEnergyList[iDigitN] + locMaxCut)
- maxAt[iDigit] = -1 ;
+ maxAt[iDigit] = 0 ;
}
else {
- maxAt[iDigit] = -1 ;
+ maxAt[iDigit] = 0 ;
// but may be digitN too is not local max ?
if(fEnergyList[iDigit] > fEnergyList[iDigitN] - locMaxCut)
- maxAt[iDigitN] = -1 ;
+ maxAt[iDigitN] = 0 ;
}
} // if Areneighbours
} // while digitN
iDigitN = 0 ;
for(iDigit = 0; iDigit < fMulDigit; iDigit++) {
- if(maxAt[iDigit] != -1){
+ if(maxAt[iDigit]){
maxAt[iDigitN] = maxAt[iDigit] ;
maxAtEnergy[iDigitN] = fEnergyList[iDigit] ;
iDigitN++ ;
}
return iDigitN ;
}
-
-
-
+//____________________________________________________________________________
+void AliPHOSEmcRecPoint::EvalTime(TClonesArray * digits){
+
+ Float_t maxE = 0;
+ Int_t maxAt = 0;
+ for(Int_t idig=0; idig < fMulDigit; idig++){
+ if(fEnergyList[idig] > maxE){
+ maxE = fEnergyList[idig] ;
+ maxAt = idig;
+ }
+ }
+ fTime = ((AliPHOSDigit*) digits->At(fDigitsList[maxAt]))->GetTime() ;
+
+}
//____________________________________________________________________________
void AliPHOSEmcRecPoint::Print(Option_t * option)
{