/* $Id$ */
//_________________________________________________________________________
-// Implementation version v1 of EMCAL Manager class
-// An object of this class does not produce digits
-// It is the one to use if you do want to produce outputs in TREEH
-//
+//*-- Implementation version v1 of EMCAL Manager class
+//*-- An object of this class does not produce digits
+//*-- It is the one to use if you do want to produce outputs in TREEH
+//*--
//*-- Author: Sahal Yacoob (LBL /UCT)
//*-- : Jennifer Klay (LBL)
-
// This Class not stores information on all particles prior to EMCAL entry - in order to facilitate analysis.
// This is done by setting fIShunt =2, and flagging all parents of particles entering the EMCAL.
// 2. Timing signal is collected and added to hit
// --- ROOT system ---
-#include "TPGON.h"
-#include "TTUBS.h"
-#include "TNode.h"
-#include "TRandom.h"
-#include "TTree.h"
-#include "TGeometry.h"
#include "TParticle.h"
+#include "TVirtualMC.h"
// --- Standard library ---
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <strstream.h>
-#include <iostream.h>
-#include <math.h>
// --- AliRoot header files ---
-
#include "AliEMCALv1.h"
#include "AliEMCALHit.h"
#include "AliEMCALGeometry.h"
-#include "AliConst.h"
#include "AliRun.h"
#include "AliMC.h"
//______________________________________________________________________
AliEMCALv1::AliEMCALv1():AliEMCALv0(){
// ctor
+
}
//______________________________________________________________________
// Standard Creator.
fHits= new TClonesArray("AliEMCALHit",1000);
- gAlice->AddHitList(fHits);
+ gAlice->GetMCApp()->AddHitList(fHits);
fNhits = 0;
fIshunt = 2; // All hits are associated with particles entering the calorimeter
void AliEMCALv1::AddHit(Int_t shunt, Int_t primary, Int_t tracknumber, Int_t iparent, Float_t ienergy,
Int_t id, Float_t * hits,Float_t * p){
// Add a hit to the hit list.
- // An EMCAL hit is the sum of all hits in a single segment
- // originating from the same enterring particle
+ // An EMCAL hit is the sum of all hits in a tower section
+ // originating from the same entering particle
Int_t hitCounter;
AliEMCALHit *newHit;
Bool_t deja = kFALSE;
newHit = new AliEMCALHit(shunt, primary, tracknumber, iparent, ienergy, id, hits, p);
- for ( hitCounter = fNhits-1; hitCounter >= 0 && !deja; hitCounter-- ) {
+ for ( hitCounter = fNhits-1; hitCounter >= 0 && !deja; hitCounter-- ) {
curHit = (AliEMCALHit*) (*fHits)[hitCounter];
// We add hits with the same tracknumber, while GEANT treats
// primaries succesively
- if(curHit->GetPrimary() != primary) break;
+ if(curHit->GetPrimary() != primary)
+ break;
if( *curHit == *newHit ) {
*curHit = *curHit + *newHit;
deja = kTRUE;
- } // end if
+ } // end if
} // end for hitCounter
-
+
if ( !deja ) {
new((*fHits)[fNhits]) AliEMCALHit(*newHit);
fNhits++;
}
//______________________________________________________________________
void AliEMCALv1::StepManager(void){
- // Accumulates hits as long as the track stays in a single
- // crystal or PPSD gas Cell
+ // Accumulates hits as long as the track stays in a tower
- Int_t id[2]; // (layer, phi, Eta) indices
- Int_t absid;
+ Int_t id[2]; // (phi, Eta) indices
// position wrt MRS and energy deposited
Float_t xyzte[5]={0.,0.,0.,0.,0.};// position wrt MRS, time and energy deposited
Float_t pmom[4]={0.,0.,0.,0.};
TLorentzVector pos; // Lorentz vector of the track current position.
TLorentzVector mom; // Lorentz vector of the track current momentum.
- Int_t tracknumber = gAlice->CurrentTrack();
+ Int_t tracknumber = gAlice->GetMCApp()->GetCurrentTrackNumber();
Int_t primary = 0;
static Int_t iparent = 0;
static Float_t ienergy = 0;
Int_t copy = 0;
-
+ AliEMCALGeometry * geom = GetGeometry() ;
+
if(gMC->IsTrackEntering() && (strcmp(gMC->CurrentVolName(),"XALU") == 0)){ // This Particle in enterring the Calorimeter
gMC->TrackPosition(pos) ;
xyzte[0] = pos[0] ;
xyzte[1] = pos[1] ;
xyzte[2] = pos[2] ;
if ( (xyzte[0]*xyzte[0] + xyzte[1]*xyzte[1])
- < (fGeom->GetEnvelop(0)+fGeom->GetGap2Active()+1.5 )*(fGeom->GetEnvelop(0)+fGeom->GetGap2Active()+1.5 ) ) {
+ < (geom->GetEnvelop(0)+geom->GetGap2Active()+1.5 )*(geom->GetEnvelop(0)+geom->GetGap2Active()+1.5 ) ) {
iparent = tracknumber;
gMC->TrackMomentum(mom);
ienergy = mom[3];
Int_t parent = iparent ;
while ( parent != -1 ) { // <------------- flags this particle to be kept and
//all the ancestors of this particle
- part = gAlice->Particle(parent) ;
+ part = gAlice->GetMCApp()->Particle(parent) ;
part->SetBit(kKeepBit);
parent = part->GetFirstMother() ;
}
}
if(gMC->CurrentVolID(copy) == gMC->VolId("XPHI") ) { // We are in a Scintillator Layer
- gMC->CurrentVolOffID(1, id[0]); // get the POLY copy number;
- gMC->CurrentVolID(id[1]); // get the phi number inside the layer
- primary = gAlice->GetPrimary(tracknumber);
- gMC->TrackPosition(pos);
- gMC->TrackMomentum(mom);
- xyzte[0] = pos[0];
- xyzte[1] = pos[1];
- xyzte[2] = pos[2];
- xyzte[3] = gMC->TrackTime() ;
- xyzte[4] = gMC->Edep();
- pmom[0] = mom[0];
- pmom[1] = mom[1];
- pmom[2] = mom[2];
- pmom[3] = mom[3];
+ Float_t depositedEnergy ;
- if(xyzte[4] > 0.){// Track is inside a scintillator and deposits some energy
- absid = (id[0]-1)*(fGeom->GetNPhi()) + id[1];
- AddHit(fIshunt, primary,tracknumber, iparent, ienergy, absid, xyzte, pmom);
+ if( (depositedEnergy = gMC->Edep()) > 0.){// Track is inside a scintillator and deposits some energy
+
+ // use sampling fraction to get original energy --HG
+ depositedEnergy = depositedEnergy * geom->GetSampling();
+
+ gMC->TrackPosition(pos);
+ xyzte[0] = pos[0];
+ xyzte[1] = pos[1];
+ xyzte[2] = pos[2];
+ xyzte[3] = gMC->TrackTime() ;
+
+ gMC->TrackMomentum(mom);
+ pmom[0] = mom[0];
+ pmom[1] = mom[1];
+ pmom[2] = mom[2];
+ pmom[3] = mom[3];
+
+ gMC->CurrentVolOffID(1, id[0]); // get the POLY copy number;
+ gMC->CurrentVolID(id[1]); // get the phi number inside the layer
+
+ Int_t tower = (id[0]-1) % geom->GetNZ() + 1 + (id[1] - 1) * geom->GetNZ() ;
+ Int_t layer = static_cast<Int_t>((id[0]-1)/(geom->GetNZ())) + 1 ;
+ Int_t absid = tower;
+ Int_t nlayers = geom->GetNECLayers();
+ if ((layer > nlayers)||(layer<1))
+ Fatal("StepManager", "Wrong calculation of layer number: layer = %d > %d\n", layer, nlayers) ;
+
+
+ Float_t lightYield = depositedEnergy ;
+ xyzte[4] = lightYield ;
+
+ primary = gAlice->GetMCApp()->GetPrimary(tracknumber);
+
+ if (gDebug == 2)
+ printf("StepManager: id0 = %d, id1 = %d, absid = %d tower = %d layer = %d energy = %f\n", id[0], id[1], absid, tower, layer, xyzte[4]) ;
+
+ AddHit(fIshunt, primary,tracknumber, iparent, ienergy, absid, xyzte, pmom);
} // there is deposited energy
}
}