// Implementation version v1 of PHOS Manager class
//---
// Layout EMC + PPSD has name GPS2:
-// Produces cumulated hits (no hits) and digits
+// Produces cumulated hits
//---
// Layout EMC + CPV has name IHEP:
-// Produces hits for CPV, cumulated hits and digits
+// Produces hits for CPV, cumulated hits
+//---
+// Layout EMC + CPV + PPSD has name GPS:
+// Produces hits for CPV, cumulated hits
+//---
//*-- Author: Yves Schutz (SUBATECH)
#include "TNode.h"
#include "TRandom.h"
#include "TTree.h"
-
+#include "TParticle.h"
// --- Standard library ---
-#include <stdio.h>
#include <string.h>
#include <stdlib.h>
-#include <strstream.h>
// --- AliRoot header files ---
#include "AliPHOSv1.h"
#include "AliPHOSHit.h"
-#include "AliPHOSDigit.h"
-#include "AliPHOSReconstructioner.h"
+#include "AliPHOSCPVDigit.h"
#include "AliRun.h"
#include "AliConst.h"
-#include "AliMC.h"
+#include "AliPHOSGeometry.h"
+#include "AliPHOSQAIntCheckable.h"
+#include "AliPHOSQAFloatCheckable.h"
+#include "AliPHOSQAMeanChecker.h"
ClassImp(AliPHOSv1)
//____________________________________________________________________________
-AliPHOSv1::AliPHOSv1()
+AliPHOSv1::AliPHOSv1():
+AliPHOSv0()
{
- // ctor
- fNTmpHits = 0 ;
- fTmpHits = 0 ;
-
- // Create an empty array of AliPHOSCPVModule to satisfy
- // AliPHOSv1::Streamer when reading root file
-
- if ( NULL==(fCPVModules=new TClonesArray("AliPHOSCPVModule",0)) ) {
- Error("AliPHOSv1","Can not create array of CPV modules");
- exit(1);
- }
+ // default ctor: initialze data memebers
+ fQAHitsMul = 0 ;
+ fQAHitsMulB = 0 ;
+ fQATotEner = 0 ;
+ fQATotEnerB = 0 ;
+
+ fLightYieldMean = 0. ;
+ fIntrinsicPINEfficiency = 0. ;
+ fLightYieldAttenuation = 0. ;
+ fRecalibrationFactor = 0. ;
+ fElectronsPerGeV = 0. ;
+ fAPDGain = 0. ;
+ fLightFactor = 0. ;
+ fAPDFactor = 0. ;
}
//____________________________________________________________________________
AliPHOSv1::AliPHOSv1(const char *name, const char *title):
-AliPHOSv0(name,title)
+ AliPHOSv0(name,title)
{
- // ctor : title is used to identify the layout
- // GPS2 = 5 modules (EMC + PPSD)
- // IHEP = 5 modules (EMC + CPV )
- // We use 2 arrays of hits :
//
+ // We store hits :
// - fHits (the "normal" one), which retains the hits associated with
// the current primary particle being tracked
// (this array is reset after each primary has been tracked).
//
- // - fTmpHits, which retains all the hits of the current event. It
- // is used for the digitization part.
- fPinElectronicNoise = 0.010 ;
- fDigitThreshold = 0.1 ; // 1 GeV
+
// We do not want to save in TreeH the raw hits
// But save the cumulated hits instead (need to create the branch myself)
// It is put in the Digit Tree because the TreeH is filled after each primary
- // and the TreeD at the end of the event (branch is set in FinishEvent() ).
+ // and the TreeD at the end of the event (branch is set in FinishEvent() ).
- fTmpHits= new TClonesArray("AliPHOSHit",1000) ;
-
- fNTmpHits = fNhits = 0 ;
-
- fDigits = new TClonesArray("AliPHOSDigit",1000) ;
-
- fIshunt = 1 ; // All hits are associated with primary particles
+ fHits= new TClonesArray("AliPHOSHit",1000) ;
+ gAlice->AddHitList(fHits) ;
+
+ fNhits = 0 ;
+
+ fIshunt = 2 ; // All hits are associated with primary particles
+
+ //Photoelectron statistics:
+ // The light yield is a poissonian distribution of the number of
+ // photons created in the PbWo4 crystal, calculated using following formula
+ // NumberOfPhotons = EnergyLost * LightYieldMean* APDEfficiency *
+ // exp (-LightYieldAttenuation * DistanceToPINdiodeFromTheHit);
+ // LightYieldMean is parameter calculated to be over 47000 photons per GeV
+ // APDEfficiency is 0.02655
+ // k_0 is 0.0045 from Valery Antonenko
+ // The number of electrons created in the APD is
+ // NumberOfElectrons = APDGain * LightYield
+ // The APD Gain is 300
+ fLightYieldMean = 47000;
+ fIntrinsicPINEfficiency = 0.02655 ; //APD= 0.1875/0.1271 * 0.018 (PIN)
+ fLightYieldAttenuation = 0.0045 ;
+ fRecalibrationFactor = 13.418/ fLightYieldMean ;
+ fElectronsPerGeV = 2.77e+8 ;
+ fAPDGain = 300. ;
+ fLightFactor = fLightYieldMean * fIntrinsicPINEfficiency ;
+ fAPDFactor = (fRecalibrationFactor/100.) * fAPDGain ;
+
+
+ Int_t nb = GetGeometry()->GetNModules() ;
- // Create array of CPV modules for the IHEP's version of CPV
-
- if ( strcmp(fGeom->GetName(),"IHEP") == 0 ) {
- // Create array of AliPHOSCPVmodule of the size of PHOS modules number
-
- if ( NULL==(fCPVModules=new TClonesArray("AliPHOSCPVModule",fGeom->GetNModules())) ) {
- Error("AliPHOSv1","Can not create array of CPV modules");
- exit(1);
- }
- TClonesArray &lcpvmodule = *fCPVModules;
- for (Int_t i=0; i<fGeom->GetNModules(); i++) new(lcpvmodule[i]) AliPHOSCPVModule();
+ // create checkables
+ fQAHitsMul = new AliPHOSQAIntCheckable("HitsM") ;
+ fQATotEner = new AliPHOSQAFloatCheckable("TotEn") ;
+ fQAHitsMulB = new TClonesArray("AliPHOSQAIntCheckable",nb) ;
+ fQAHitsMulB->SetOwner() ;
+ fQATotEnerB = new TClonesArray("AliPHOSQAFloatCheckable", nb);
+ fQATotEnerB->SetOwner() ;
+ char tempo[20] ;
+ Int_t i ;
+ for ( i = 0 ; i < nb ; i++ ) {
+ sprintf(tempo, "HitsMB%d", i+1) ;
+ new( (*fQAHitsMulB)[i]) AliPHOSQAIntCheckable(tempo) ;
+ sprintf(tempo, "TotEnB%d", i+1) ;
+ new( (*fQATotEnerB)[i] ) AliPHOSQAFloatCheckable(tempo) ;
}
- else {
- // Create an empty array of AliPHOSCPVModule to satisfy
- // AliPHOSv1::Streamer when writing root file
-
- fCPVModules=new TClonesArray("AliPHOSCPVModule",0);
+ AliPHOSQAMeanChecker * hmc = new AliPHOSQAMeanChecker("HitsMul", 100. ,25.) ;
+ AliPHOSQAMeanChecker * emc = new AliPHOSQAMeanChecker("TotEner", 10. ,5.) ;
+ AliPHOSQAMeanChecker * bhmc = new AliPHOSQAMeanChecker("HitsMulB", 100. ,5.) ;
+ AliPHOSQAMeanChecker * bemc = new AliPHOSQAMeanChecker("TotEnerB", 2. ,.5) ;
+
+ // associate checkables and checkers
+ fQAHitsMul->AddChecker(hmc) ;
+ fQATotEner->AddChecker(emc) ;
+ for ( i = 0 ; i < nb ; i++ ) {
+ (static_cast<AliPHOSQAIntCheckable*>((*fQAHitsMulB)[i]))->AddChecker(bhmc) ;
+ (static_cast<AliPHOSQAFloatCheckable*>((*fQATotEnerB)[i]))->AddChecker(bemc) ;
}
-}
-
-//____________________________________________________________________________
-AliPHOSv1::AliPHOSv1(AliPHOSReconstructioner * Reconstructioner, const char *name, const char *title):
- AliPHOSv0(name,title)
-{
- // ctor : title is used to identify the layout
- // GPS2 = 5 modules (EMC + PPSD)
- // We use 2 arrays of hits :
- //
- // - fHits (the "normal" one), which retains the hits associated with
- // the current primary particle being tracked
- // (this array is reset after each primary has been tracked).
- //
- // - fTmpHits, which retains all the hits of the current event. It
- // is used for the digitization part.
-
- fPinElectronicNoise = 0.010 ;
-
- // We do not want to save in TreeH the raw hits
- //fHits = new TClonesArray("AliPHOSHit",100) ;
-
- fDigits = new TClonesArray("AliPHOSDigit",1000) ;
- fTmpHits= new TClonesArray("AliPHOSHit",1000) ;
-
- fNTmpHits = fNhits = 0 ;
-
- fIshunt = 1 ; // All hits are associated with primary particles
-
- // gets an instance of the geometry parameters class
- fGeom = AliPHOSGeometry::GetInstance(title, "") ;
-
- if (fGeom->IsInitialized() )
- cout << "AliPHOS" << Version() << " : PHOS geometry intialized for " << fGeom->GetName() << endl ;
- else
- cout << "AliPHOS" << Version() << " : PHOS geometry initialization failed !" << endl ;
-
- // Defining the PHOS Reconstructioner
-
- fReconstructioner = Reconstructioner ;
}
{
// dtor
- if ( fTmpHits) {
- fTmpHits->Delete() ;
- delete fTmpHits ;
- fTmpHits = 0 ;
+ if ( fHits) {
+ fHits->Delete() ;
+ delete fHits ;
+ fHits = 0 ;
}
-
-// if ( fEmcRecPoints ) {
-// fEmcRecPoints->Delete() ;
-// delete fEmcRecPoints ;
-// fEmcRecPoints = 0 ;
-// }
-
-// if ( fPpsdRecPoints ) {
-// fPpsdRecPoints->Delete() ;
-// delete fPpsdRecPoints ;
-// fPpsdRecPoints = 0 ;
-// }
-// if ( fTrackSegments ) {
-// fTrackSegments->Delete() ;
-// delete fTrackSegments ;
-// fTrackSegments = 0 ;
-// }
+ if ( fQAHitsMulB ) {
+ fQAHitsMulB->Delete() ;
+ delete fQAHitsMulB ;
+ }
+ if ( fQATotEnerB ) {
+ fQATotEnerB->Delete() ;
+ delete fQATotEnerB ;
+ }
+
}
//____________________________________________________________________________
-void AliPHOSv1::AddHit(Int_t shunt, Int_t primary, Int_t tracknumber, Int_t Id, Float_t * hits, Int_t trackpid)
+void AliPHOSv1::AddHit(Int_t shunt, Int_t primary, Int_t tracknumber, Int_t Id, Float_t * hits)
{
// Add a hit to the hit list.
- // A PHOS hit is the sum of all hits in a single crystal
- // or in a single PPSD gas cell
+ // A PHOS hit is the sum of all hits in a single crystal from one primary and within some time gate
Int_t hitCounter ;
- TClonesArray <mphits = *fTmpHits ;
AliPHOSHit *newHit ;
AliPHOSHit *curHit ;
Bool_t deja = kFALSE ;
+ AliPHOSGeometry * geom = GetGeometry() ;
- // In any case, fills the fTmpHit TClonesArray (with "accumulated hits")
-
- newHit = new AliPHOSHit(shunt, primary, tracknumber, Id, hits, trackpid) ;
-
- // We do not want to save in TreeH the raw hits
- // TClonesArray &lhits = *fHits;
+ newHit = new AliPHOSHit(shunt, primary, tracknumber, Id, hits) ;
- for ( hitCounter = 0 ; hitCounter < fNTmpHits && !deja ; hitCounter++ ) {
- curHit = (AliPHOSHit*) ltmphits[hitCounter] ;
- if( *curHit == *newHit ) {
- *curHit = *curHit + *newHit ;
- deja = kTRUE ;
+ for ( hitCounter = fNhits-1 ; hitCounter >= 0 && !deja ; hitCounter-- ) {
+ curHit = dynamic_cast<AliPHOSHit*>((*fHits)[hitCounter]) ;
+ if(curHit->GetPrimary() != primary) break ;
+ // We add hits with the same primary, while GEANT treats primaries succesively
+ if( *curHit == *newHit ) {
+ *curHit + *newHit ;
+ deja = kTRUE ;
}
}
if ( !deja ) {
- new(ltmphits[fNTmpHits]) AliPHOSHit(*newHit) ;
- fNTmpHits++ ;
+ new((*fHits)[fNhits]) AliPHOSHit(*newHit) ;
+ // get the block Id number
+ Int_t relid[4] ;
+ geom->AbsToRelNumbering(Id, relid) ;
+ // and fill the relevant QA checkable (only if in PbW04)
+ if ( relid[1] == 0 ) {
+ fQAHitsMul->Update(1) ;
+ (static_cast<AliPHOSQAIntCheckable*>((*fQAHitsMulB)[relid[0]-1]))->Update(1) ;
+ }
+ fNhits++ ;
}
- // We do not want to save in TreeH the raw hits
- // new(lhits[fNhits]) AliPHOSHit(*newHit) ;
- // fNhits++ ;
-
- // Please note that the fTmpHits array must survive up to the
- // end of the events, so it does not appear e.g. in ResetHits() (
- // which is called at the end of each primary).
-
delete newHit;
-
}
-//___________________________________________________________________________
-Int_t AliPHOSv1::Digitize(Float_t Energy)
+//____________________________________________________________________________
+void AliPHOSv1::FinishPrimary()
{
- // Applies the energy calibration
-
- Float_t fB = 100000000. ;
- Float_t fA = 0. ;
- Int_t chan = Int_t(fA + Energy*fB ) ;
- return chan ;
+ // called at the end of each track (primary) by AliRun
+ // hits are reset for each new track
+ // accumulate the total hit-multiplicity
+// if ( fQAHitsMul )
+// fQAHitsMul->Update( fHits->GetEntriesFast() ) ;
+
}
-//___________________________________________________________________________
-void AliPHOSv1::FinishEvent()
+//____________________________________________________________________________
+void AliPHOSv1::FinishEvent()
{
- // Makes the digits from the sum of summed hit in a single crystal or PPSD gas cell
- // Adds to the energy the electronic noise
- // Keeps digits with energy above fDigitThreshold
-
- // Save the cumulated hits instead of raw hits (need to create the branch myself)
- // It is put in the Digit Tree because the TreeH is filled after each primary
- // and the TreeD at the end of the event.
-
-
- Int_t i ;
- Int_t relid[4];
- Int_t j ;
- TClonesArray &lDigits = *fDigits ;
- AliPHOSHit * hit ;
- AliPHOSDigit * newdigit ;
- AliPHOSDigit * curdigit ;
- Bool_t deja = kFALSE ;
-
- for ( i = 0 ; i < fNTmpHits ; i++ ) {
- hit = (AliPHOSHit*)fTmpHits->At(i) ;
-
- // Assign primary number only if contribution is significant
- if( hit->GetEnergy() > fDigitThreshold)
- newdigit = new AliPHOSDigit( hit->GetPrimary(), hit->GetId(), Digitize( hit->GetEnergy() ) ) ;
- else
- newdigit = new AliPHOSDigit( -1 , hit->GetId(), Digitize( hit->GetEnergy() ) ) ;
- deja =kFALSE ;
- for ( j = 0 ; j < fNdigits ; j++) {
- curdigit = (AliPHOSDigit*) lDigits[j] ;
- if ( *curdigit == *newdigit) {
- *curdigit = *curdigit + *newdigit ;
- deja = kTRUE ;
- }
- }
- if ( !deja ) {
- new(lDigits[fNdigits]) AliPHOSDigit(* newdigit) ;
- fNdigits++ ;
- }
-
- delete newdigit ;
- }
-
- // Noise induced by the PIN diode of the PbWO crystals
-
- Float_t energyandnoise ;
- for ( i = 0 ; i < fNdigits ; i++ ) {
- newdigit = (AliPHOSDigit * ) fDigits->At(i) ;
-
- fGeom->AbsToRelNumbering(newdigit->GetId(), relid) ;
-
- if (relid[1]==0){ // Digits belong to EMC (PbW0_4 crystals)
- energyandnoise = newdigit->GetAmp() + Digitize(gRandom->Gaus(0., fPinElectronicNoise)) ;
-
- if (energyandnoise < 0 )
- energyandnoise = 0 ;
-
- if ( newdigit->GetAmp() < fDigitThreshold ) // if threshold not surpassed, remove digit from list
- fDigits->RemoveAt(i) ;
+ // called at the end of each event by AliRun
+ // accumulate the hit-multiplicity and total energy per block
+ // if the values have been updated check it
+
+ if ( fQATotEner ) {
+ if ( fQATotEner->HasChanged() ) {
+ fQATotEner->CheckMe() ;
+ fQATotEner->Reset() ;
}
}
- fDigits->Compress() ;
-
- fNdigits = fDigits->GetEntries() ;
- for (i = 0 ; i < fNdigits ; i++) {
- newdigit = (AliPHOSDigit *) fDigits->At(i) ;
- newdigit->SetIndexInList(i) ;
-
-// fGeom->AbsToRelNumbering(newdigit->GetId(), relid) ;
-// printf("FinishEvent(): relid=(%d,%d,%d,%d) Amp=%d\n",
-// relid[0],relid[1],relid[2],relid[3], newdigit->GetAmp());
- }
-
-}
-
-//___________________________________________________________________________
-void AliPHOSv1::MakeBranch(Option_t* opt)
-{
- // Create new branche in the current Root Tree in the digit Tree
- AliDetector::MakeBranch(opt) ;
-
- char branchname[10];
-
- // Create new branche PHOSCH in the current Root Tree in the Hit Tree for accumulated Hits
- if ( ! (gAlice->IsLegoRun()) ) { // only when not in lego plot mode
- char *cdH = strstr(opt,"H");
- if ( fTmpHits && gAlice->TreeH() && cdH) {
- sprintf(branchname, "%sCH", GetName()) ;
- gAlice->TreeH()->Branch(branchname, &fTmpHits, fBufferSize) ;
- }
- }
- sprintf(branchname,"%s",GetName());
- char *cdD = strstr(opt,"D");
- if (fDigits && gAlice->TreeD() && cdD) {
- gAlice->TreeD()->Branch(branchname, &fDigits, fBufferSize);
- }
-
-
- // Create new branches CPV<i> for hits in CPV modules for IHEP geometry
- // Yuri Kharlov, 28 September 2000.
-
- if ( strcmp(fGeom->GetName(),"IHEP") == 0 ) {
- for( Int_t i=0; i<fGeom->GetNModules(); i++ ) GetCPVModule(i).MakeBranch(i+1);
+ Int_t i ;
+ if ( fQAHitsMulB && fQATotEnerB ) {
+ for (i = 0 ; i < GetGeometry()->GetNModules() ; i++) {
+ AliPHOSQAIntCheckable * ci = static_cast<AliPHOSQAIntCheckable*>((*fQAHitsMulB)[i]) ;
+ AliPHOSQAFloatCheckable* cf = static_cast<AliPHOSQAFloatCheckable*>((*fQATotEnerB)[i]) ;
+ if ( ci->HasChanged() ) {
+ ci->CheckMe() ;
+ ci->Reset() ;
+ }
+ if ( cf->HasChanged() ) {
+ cf->CheckMe() ;
+ cf->Reset() ;
+ }
+ }
}
-
-}
-
-//_____________________________________________________________________________
-void AliPHOSv1::Reconstruction(AliPHOSReconstructioner * Reconstructioner)
-{
- // 1. Reinitializes the existing RecPoint, TrackSegment, and RecParticles Lists and
- // 2. Creates TreeR with a branch for each list
- // 3. Steers the reconstruction processes
- // 4. Saves the 3 lists in TreeR
- // 5. Write the Tree to File
-
- fReconstructioner = Reconstructioner ;
- char branchname[10] ;
+ // check the total multiplicity
- // 1.
-
- // gAlice->MakeTree("R") ;
- Int_t splitlevel = 0 ;
-
- fEmcRecPoints->Delete() ;
-
- if ( fEmcRecPoints && gAlice->TreeR() ) {
- sprintf(branchname,"%sEmcRP",GetName()) ;
- gAlice->TreeR()->Branch(branchname, "TObjArray", &fEmcRecPoints, fBufferSize, splitlevel) ;
- }
-
- fPpsdRecPoints->Delete() ;
-
- if ( fPpsdRecPoints && gAlice->TreeR() ) {
- sprintf(branchname,"%sPpsdRP",GetName()) ;
- gAlice->TreeR()->Branch(branchname, "TObjArray", &fPpsdRecPoints, fBufferSize, splitlevel) ;
- }
-
- fTrackSegments->Delete() ;
-
- if ( fTrackSegments && gAlice->TreeR() ) {
- sprintf(branchname,"%sTS",GetName()) ;
- gAlice->TreeR()->Branch(branchname, &fTrackSegments, fBufferSize) ;
- }
-
- fRecParticles->Delete() ;
-
- if (strcmp(fGeom->GetName(),"GPS2") == 0) {
- if ( fRecParticles && gAlice->TreeR() ) {
- sprintf(branchname,"%sRP",GetName()) ;
- gAlice->TreeR()->Branch(branchname, &fRecParticles, fBufferSize) ;
+ if ( fQAHitsMul ) {
+ if ( fQAHitsMul->HasChanged() ) {
+ fQAHitsMul->CheckMe() ;
+ fQAHitsMul->Reset() ;
}
- }
-
- // 3.
- if (strcmp(fGeom->GetName(),"GPS2") == 0)
- fReconstructioner->Make(fDigits, fEmcRecPoints, fPpsdRecPoints, fTrackSegments, fRecParticles);
- else if (strcmp(fGeom->GetName(),"IHEP") == 0)
- fReconstructioner->Make(fDigits, fEmcRecPoints, fPpsdRecPoints);
-
- // 4. Expand or Shrink the arrays to the proper size
-
- Int_t size ;
-
- size = fEmcRecPoints->GetEntries() ;
- fEmcRecPoints->Expand(size) ;
-
- size = fPpsdRecPoints->GetEntries() ;
- fPpsdRecPoints->Expand(size) ;
-
- size = fTrackSegments->GetEntries() ;
- fTrackSegments->Expand(size) ;
-
- size = fRecParticles->GetEntries() ;
- fRecParticles->Expand(size) ;
-
- gAlice->TreeR()->Fill() ;
- // 5.
-
- gAlice->TreeR()->Write(0,TObject::kOverwrite) ;
-
- // Deleting reconstructed objects
- ResetReconstruction();
-
-}
-
-//____________________________________________________________________________
-void AliPHOSv1::ResetHits()
-{
- // Reset hit tree for CPV in IHEP geometry
- // Yuri Kharlov, 28 September 2000
-
- AliDetector::ResetHits();
- if ( strcmp(fGeom->GetName(),"IHEP") == 0 ) {
- for (Int_t i=0; i<fGeom->GetNModules(); i++) ((AliPHOSCPVModule*)(*fCPVModules)[i]) -> Clear();
- }
-}
-//____________________________________________________________________________
-void AliPHOSv1::ResetDigits()
-{
- // May sound strange, but cumulative hits are store in digits Tree
- AliDetector::ResetDigits();
- if( fTmpHits ) {
- fTmpHits->Delete();
- fNTmpHits = 0 ;
- }
-}
-//____________________________________________________________________________
-void AliPHOSv1::ResetReconstruction()
-{
- // Deleting reconstructed objects
-
- if ( fEmcRecPoints ) fEmcRecPoints->Delete();
- if ( fPpsdRecPoints ) fPpsdRecPoints->Delete();
- if ( fTrackSegments ) fTrackSegments->Delete();
- if ( fRecParticles ) fRecParticles->Delete();
-
-}
-
-//____________________________________________________________________________
-void AliPHOSv1::SetTreeAddress()
-{
- // TBranch *branch;
- AliPHOS::SetTreeAddress();
-
- // //Branch address for TreeR: RecPpsdRecPoint
-// TTree *treeR = gAlice->TreeR();
-// if ( treeR && fPpsdRecPoints ) {
-// branch = treeR->GetBranch("PHOSPpsdRP");
-// if (branch) branch->SetAddress(&fPpsdRecPoints) ;
-// }
-
- // Set branch address for the Hits Tree for hits in CPV modules for IHEP geometry
- // Yuri Kharlov, 28 September 2000.
-
- if ( strcmp(fGeom->GetName(),"IHEP") == 0 ) {
- for( Int_t i=0; i<fGeom->GetNModules(); i++ ) GetCPVModule(i).SetTreeAddress(i+1);
- }
-
+ }
}
-
//____________________________________________________________________________
-
void AliPHOSv1::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 single crystal or CPV gas Cell
- Int_t relid[4] ; // (box, layer, row, column) indices
- Int_t absid ; // absolute cell ID number
- Float_t xyze[4] ; // position wrt MRS and energy deposited
- TLorentzVector pos ; // Lorentz vector of the track current position
+ Int_t relid[4] ; // (box, layer, row, column) indices
+ Int_t absid ; // absolute cell ID number
+ Float_t xyzte[5]={-1000.,-1000.,-1000.,0.,0.} ; // position wrt MRS, time and energy deposited
+ TLorentzVector pos ; // Lorentz vector of the track current position
Int_t copy ;
Int_t tracknumber = gAlice->CurrentTrack() ;
Int_t primary = gAlice->GetPrimary( gAlice->CurrentTrack() );
- TString name = fGeom->GetName() ;
- Int_t trackpid = gMC->TrackPid() ;
- if ( name == "GPS2" ) { // ======> CPV is a GPS' PPSD
-
- if( gMC->CurrentVolID(copy) == gMC->VolId("GCEL") ) // We are inside a gas cell
- {
- gMC->TrackPosition(pos) ;
- xyze[0] = pos[0] ;
- xyze[1] = pos[1] ;
- xyze[2] = pos[2] ;
- xyze[3] = gMC->Edep() ;
+ TString name = GetGeometry()->GetName() ;
- if ( xyze[3] != 0 ) { // there is deposited energy
- gMC->CurrentVolOffID(5, relid[0]) ; // get the PHOS Module number
- gMC->CurrentVolOffID(3, relid[1]) ; // get the Micromegas Module number
- // 1-> Geom->GetNumberOfModulesPhi() * fGeom->GetNumberOfModulesZ() upper
- // > fGeom->GetNumberOfModulesPhi() * fGeom->GetNumberOfModulesZ() lower
- gMC->CurrentVolOffID(1, relid[2]) ; // get the row number of the cell
- gMC->CurrentVolID(relid[3]) ; // get the column number
-
- // get the absolute Id number
-
- fGeom->RelToAbsNumbering(relid, absid) ;
-
- // add current hit to the hit list
- AddHit(fIshunt, primary, tracknumber, absid, xyze, trackpid);
-
- } // there is deposited energy
- } // We are inside the gas of the CPV
- } // GPS2 configuration
-
- else if ( name == "IHEP" ) { // ======> CPV is a IHEP's one
-
- // Yuri Kharlov, 28 September 2000
-
- if( gMC->CurrentVolID(copy) == gMC->VolId("CPVQ") &&
- gMC->IsTrackEntering() &&
- gMC->TrackCharge() != 0) {
+ Int_t moduleNumber ;
+
+ if( gMC->CurrentVolID(copy) == gMC->VolId("PCPQ") &&
+ (gMC->IsTrackEntering() ) &&
+ gMC->TrackCharge() != 0) {
+
+ gMC -> TrackPosition(pos);
+
+ Float_t xyzm[3], xyzd[3] ;
+ Int_t i;
+ for (i=0; i<3; i++) xyzm[i] = pos[i];
+ gMC -> Gmtod (xyzm, xyzd, 1); // transform coordinate from master to daughter system
+
+ Float_t xyd[3]={0,0,0} ; //local position of the entering
+ xyd[0] = xyzd[0];
+ xyd[1] =-xyzd[2];
+ xyd[2] =-xyzd[1];
+
+ // Current momentum of the hit's track in the local ref. system
+ TLorentzVector pmom ; //momentum of the particle initiated hit
+ gMC -> TrackMomentum(pmom);
+ Float_t pm[3], pd[3];
+ for (i=0; i<3; i++)
+ pm[i] = pmom[i];
+
+ gMC -> Gmtod (pm, pd, 2); // transform 3-momentum from master to daughter system
+ pmom[0] = pd[0];
+ pmom[1] =-pd[1];
+ pmom[2] =-pd[2];
- // Charged track has just entered to the CPV sensitive plane
-
- AliPHOSv1 &phos = *(AliPHOSv1*)gAlice->GetModule("PHOS");
-
- Int_t moduleNumber;
- gMC->CurrentVolOffID(3,moduleNumber);
- moduleNumber--;
-
- // Current position of the hit in the CPV module ref. system
-
- gMC -> TrackPosition(pos);
- Float_t xyzm[3], xyzd[3], xyd[2];
- Int_t i;
- for (i=0; i<3; i++) xyzm[i] = pos[i];
- gMC -> Gmtod (xyzm, xyzd, 1); // transform coordinate from master to daughter system
- xyd[0] = xyzd[0];
- xyd[1] =-xyzd[2];
-
- // Current momentum of the hit's track in the CPV module ref. system
+ // Digitize the current CPV hit:
+
+ // 1. find pad response and
+ gMC->CurrentVolOffID(3,moduleNumber);
+ moduleNumber--;
+
+ TClonesArray *cpvDigits = new TClonesArray("AliPHOSCPVDigit",0); // array of digits for current hit
+ CPVDigitize(pmom,xyd,moduleNumber,cpvDigits);
- TLorentzVector pmom;
- gMC -> TrackMomentum(pmom);
- Float_t pm[3], pd[3];
- for (i=0; i<3; i++) pm[i] = pmom[i];
- gMC -> Gmtod (pm, pd, 2); // transform 3-momentum from master to daughter system
- pmom[0] = pd[0];
- pmom[1] =-pd[1];
- pmom[2] =-pd[2];
-
- // Current particle type of the hit's track
-
- Int_t ipart = gMC->TrackPid();
-
- // Add the current particle in the list of the CPV hits.
-
- phos.GetCPVModule(moduleNumber).AddHit(pmom,xyd,ipart);
-
- if (fDebugLevel == 1) {
- printf("CPV hit added to module #%2d: p = (% .4f, % .4f, % .4f, % .4f) GeV,\n",
- moduleNumber+1,pmom.Px(),pmom.Py(),pmom.Pz(),pmom.E());
- printf( " xy = (%8.4f, %8.4f) cm, ipart = %d\n",
- xyd[0],xyd[1],ipart);
+ Float_t xmean = 0;
+ Float_t zmean = 0;
+ Float_t qsum = 0;
+ Int_t idigit,ndigits;
+
+ // 2. go through the current digit list and sum digits in pads
+
+ ndigits = cpvDigits->GetEntriesFast();
+ for (idigit=0; idigit<ndigits-1; idigit++) {
+ AliPHOSCPVDigit *cpvDigit1 = dynamic_cast<AliPHOSCPVDigit*>(cpvDigits->UncheckedAt(idigit));
+ Float_t x1 = cpvDigit1->GetXpad() ;
+ Float_t z1 = cpvDigit1->GetYpad() ;
+ for (Int_t jdigit=idigit+1; jdigit<ndigits; jdigit++) {
+ AliPHOSCPVDigit *cpvDigit2 = dynamic_cast<AliPHOSCPVDigit*>(cpvDigits->UncheckedAt(jdigit));
+ Float_t x2 = cpvDigit2->GetXpad() ;
+ Float_t z2 = cpvDigit2->GetYpad() ;
+ if (x1==x2 && z1==z2) {
+ Float_t qsum = cpvDigit1->GetQpad() + cpvDigit2->GetQpad() ;
+ cpvDigit2->SetQpad(qsum) ;
+ cpvDigits->RemoveAt(idigit) ;
+ }
}
-
- // Digitize the current CPV hit:
-
- // 1. find pad response and
+ }
+ cpvDigits->Compress() ;
+
+ // 3. add digits to temporary hit list fTmpHits
+
+ ndigits = cpvDigits->GetEntriesFast();
+ for (idigit=0; idigit<ndigits; idigit++) {
+ AliPHOSCPVDigit *cpvDigit = dynamic_cast<AliPHOSCPVDigit*>(cpvDigits->UncheckedAt(idigit));
+ relid[0] = moduleNumber + 1 ; // CPV (or PHOS) module number
+ relid[1] =-1 ; // means CPV
+ relid[2] = cpvDigit->GetXpad() ; // column number of a pad
+ relid[3] = cpvDigit->GetYpad() ; // row number of a pad
- TClonesArray *cpvDigits = new TClonesArray("AliPHOSCPVDigit",0); // array of digits for current hit
- CPVDigitize(pmom,xyd,moduleNumber,cpvDigits);
+ // get the absolute Id number
+ GetGeometry()->RelToAbsNumbering(relid, absid) ;
- Float_t xmean = 0;
- Float_t zmean = 0;
- Float_t qsum = 0;
- Int_t idigit,ndigits;
-
- // 2. go through the current digit list and sum digits in pads
-
- ndigits = cpvDigits->GetEntriesFast();
- for (idigit=0; idigit<ndigits-1; idigit++) {
- AliPHOSCPVDigit *cpvDigit1 = (AliPHOSCPVDigit*) cpvDigits->UncheckedAt(idigit);
- Float_t x1 = cpvDigit1->GetXpad() ;
- Float_t z1 = cpvDigit1->GetYpad() ;
- for (Int_t jdigit=idigit+1; jdigit<ndigits; jdigit++) {
- AliPHOSCPVDigit *cpvDigit2 = (AliPHOSCPVDigit*) cpvDigits->UncheckedAt(jdigit);
- Float_t x2 = cpvDigit2->GetXpad() ;
- Float_t z2 = cpvDigit2->GetYpad() ;
- if (x1==x2 && z1==z2) {
- Float_t qsum = cpvDigit1->GetQpad() + cpvDigit2->GetQpad() ;
- cpvDigit2->SetQpad(qsum) ;
- cpvDigits->RemoveAt(idigit) ;
- }
- }
- }
- cpvDigits->Compress() ;
+ // add current digit to the temporary hit list
- // 3. add digits to temporary hit list fTmpHits
-
- ndigits = cpvDigits->GetEntriesFast();
- for (idigit=0; idigit<ndigits; idigit++) {
- AliPHOSCPVDigit *cpvDigit = (AliPHOSCPVDigit*) cpvDigits->UncheckedAt(idigit);
- relid[0] = moduleNumber + 1 ; // CPV (or PHOS) module number
- relid[1] =-1 ; // means CPV
- relid[2] = cpvDigit->GetXpad() ; // column number of a pad
- relid[3] = cpvDigit->GetYpad() ; // row number of a pad
-
- // get the absolute Id number
- fGeom->RelToAbsNumbering(relid, absid) ;
-
- // add current digit to the temporary hit list
- xyze[0] = 0. ;
- xyze[1] = 0. ;
- xyze[2] = 0. ;
- xyze[3] = cpvDigit->GetQpad() ; // amplitude in a pad
- primary = -1; // No need in primary for CPV
- AddHit(fIshunt, primary, tracknumber, absid, xyze, trackpid);
-
- if (cpvDigit->GetQpad() > 0.02) {
- xmean += cpvDigit->GetQpad() * (cpvDigit->GetXpad() + 0.5);
- zmean += cpvDigit->GetQpad() * (cpvDigit->GetYpad() + 0.5);
- qsum += cpvDigit->GetQpad();
- }
+ xyzte[3] = gMC->TrackTime() ;
+ xyzte[4] = cpvDigit->GetQpad() ; // amplitude in a pad
+ primary = -1; // No need in primary for CPV
+ AddHit(fIshunt, primary, tracknumber, absid, xyzte);
+
+ if (cpvDigit->GetQpad() > 0.02) {
+ xmean += cpvDigit->GetQpad() * (cpvDigit->GetXpad() + 0.5);
+ zmean += cpvDigit->GetQpad() * (cpvDigit->GetYpad() + 0.5);
+ qsum += cpvDigit->GetQpad();
}
+ }
+ if (cpvDigits) {
+ cpvDigits->Delete();
delete cpvDigits;
+ cpvDigits=0;
}
- } // end of IHEP configuration
+ }
+
+
if(gMC->CurrentVolID(copy) == gMC->VolId("PXTL") ) { // We are inside a PBWO crystal
+
gMC->TrackPosition(pos) ;
- xyze[0] = pos[0] ;
- xyze[1] = pos[1] ;
- xyze[2] = pos[2] ;
- xyze[3] = gMC->Edep() ;
+ xyzte[0] = pos[0] ;
+ xyzte[1] = pos[1] ;
+ xyzte[2] = pos[2] ;
+
+ Float_t global[3], local[3] ;
+ global[0] = pos[0] ;
+ global[1] = pos[1] ;
+ global[2] = pos[2] ;
+ Float_t lostenergy = gMC->Edep();
- if ( xyze[3] != 0 ) {
- gMC->CurrentVolOffID(10, relid[0]) ; // get the PHOS module number ;
- relid[1] = 0 ; // means PBW04
- gMC->CurrentVolOffID(4, relid[2]) ; // get the row number inside the module
- gMC->CurrentVolOffID(3, relid[3]) ; // get the cell number inside the module
+ //Put in the TreeK particle entering PHOS and all its parents
+ if ( gMC->IsTrackEntering() ){
+ Float_t xyzd[3] ;
+ gMC -> Gmtod (xyzte, xyzd, 1); // transform coordinate from master to daughter system
+ if (xyzd[1] > GetGeometry()->GetCrystalSize(1)/2-0.002 ||
+ xyzd[1] < -GetGeometry()->GetCrystalSize(1)/2+0.002) {
+ TParticle * part = 0 ;
+ Int_t parent = gAlice->CurrentTrack() ;
+ while ( parent != -1 ) {
+ part = gAlice->Particle(parent) ;
+ part->SetBit(kKeepBit);
+ parent = part->GetFirstMother() ;
+ }
+ }
+ }
+ if ( lostenergy != 0 ) { // Track is inside the crystal and deposits some energy
+ xyzte[3] = gMC->TrackTime() ;
- // get the absolute Id number
+ gMC->CurrentVolOffID(10, moduleNumber) ; // get the PHOS module number ;
- fGeom->RelToAbsNumbering(relid, absid) ;
+ Int_t strip ;
+ gMC->CurrentVolOffID(3, strip);
+ Int_t cell ;
+ gMC->CurrentVolOffID(2, cell);
+
+ Int_t row = 1 + GetGeometry()->GetNZ() - strip % GetGeometry()->GetNZ() ;
+ Int_t col = (Int_t) TMath::Ceil((Double_t) strip/GetGeometry()->GetNZ()) -1 ;
+
+ absid = (moduleNumber-1)*GetGeometry()->GetNCristalsInModule() +
+ row + (col*GetGeometry()->GetEMCAGeometry()->GetNCellsInStrip() + cell-1)*GetGeometry()->GetNZ() ;
+
+ gMC->Gmtod(global, local, 1) ;
+
+ //Calculates the light yield, the number of photons produced in the
+ //crystal
+ Float_t lightYield = gRandom->Poisson(fLightFactor * lostenergy *
+ exp(-fLightYieldAttenuation *
+ (local[1]+GetGeometry()->GetCrystalSize(1)/2.0 ))
+ ) ;
+
+ //Calculates de energy deposited in the crystal
+ xyzte[4] = fAPDFactor * lightYield ;
// add current hit to the hit list
+ // Info("StepManager","%d %d", primary, tracknumber) ;
+ AddHit(fIshunt, primary,tracknumber, absid, xyzte);
- AddHit(fIshunt, primary,tracknumber, absid, xyze, trackpid);
+ // fill the relevant QA Checkables
+ fQATotEner->Update( xyzte[4] ) ; // total energy in PHOS
+ (static_cast<AliPHOSQAFloatCheckable*>((*fQATotEnerB)[moduleNumber-1]))->Update( xyzte[4] ) ; // energy in this block
} // there is deposited energy
} // we are inside a PHOS Xtal
+
}
//____________________________________________________________________________
// 2 October 2000
// ------------------------------------------------------------------------
- const Float_t kCelWr = fGeom->GetPadSizePhi()/2; // Distance between wires (2 wires above 1 pad)
+ const Float_t kCelWr = GetGeometry()->GetPadSizePhi()/2; // Distance between wires (2 wires above 1 pad)
const Float_t kDetR = 0.1; // Relative energy fluctuation in track for 100 e-
const Float_t kdEdx = 4.0; // Average energy loss in CPV;
const Int_t kNgamz = 5; // Ionization size in Z
Float_t pNorm = p.Py();
Float_t eloss = kdEdx;
-// cout << "CPVDigitize: YVK : "<<hitX<<" "<<hitZ<<" | "<<pX<<" "<<pZ<<" "<<pNorm<<endl;
+//Info("CPVDigitize", "YVK : %f %f | %f %f %d", hitX, hitZ, pX, pZ, pNorm) ;
- Float_t dZY = pZ/pNorm * fGeom->GetCPVGasThickness();
- Float_t dXY = pX/pNorm * fGeom->GetCPVGasThickness();
+ Float_t dZY = pZ/pNorm * GetGeometry()->GetCPVGasThickness();
+ Float_t dXY = pX/pNorm * GetGeometry()->GetCPVGasThickness();
gRandom->Rannor(rnor1,rnor2);
eloss *= (1 + kDetR*rnor1) *
- TMath::Sqrt((1 + ( pow(dZY,2) + pow(dXY,2) ) / pow(fGeom->GetCPVGasThickness(),2)));
- Float_t zhit1 = hitZ + fGeom->GetCPVActiveSize(1)/2 - dZY/2;
- Float_t xhit1 = hitX + fGeom->GetCPVActiveSize(0)/2 - dXY/2;
+ TMath::Sqrt((1 + ( pow(dZY,2) + pow(dXY,2) ) / pow(GetGeometry()->GetCPVGasThickness(),2)));
+ Float_t zhit1 = hitZ + GetGeometry()->GetCPVActiveSize(1)/2 - dZY/2;
+ Float_t xhit1 = hitX + GetGeometry()->GetCPVActiveSize(0)/2 - dXY/2;
Float_t zhit2 = zhit1 + dZY;
Float_t xhit2 = xhit1 + dXY;
// Finite size of ionization region
- Int_t nCellZ = fGeom->GetNumberOfPadsZ();
- Int_t nCellX = fGeom->GetNumberOfPadsPhi();
+ Int_t nCellZ = GetGeometry()->GetNumberOfCPVPadsZ();
+ Int_t nCellX = GetGeometry()->GetNumberOfCPVPadsPhi();
Int_t nz3 = (kNgamz+1)/2;
Int_t nx3 = (kNgamx+1)/2;
cpvDigits->Expand(nIter*kNgamx*kNgamz);
- TClonesArray &ldigits = *(TClonesArray *)cpvDigits;
+ TClonesArray &ldigits = *(static_cast<TClonesArray *>(cpvDigits));
for (Int_t iter=0; iter<nIter; iter++) {
Float_t zhit = zxe[0][iter];
Float_t xhit = zxe[1][iter];
Float_t qhit = zxe[2][iter];
- Float_t zcell = zhit / fGeom->GetPadSizeZ();
- Float_t xcell = xhit / fGeom->GetPadSizePhi();
+ Float_t zcell = zhit / GetGeometry()->GetPadSizeZ();
+ Float_t xcell = xhit / GetGeometry()->GetPadSizePhi();
if ( zcell<=0 || xcell<=0 ||
zcell>=nCellZ || xcell>=nCellX) return;
Int_t izcell = (Int_t) zcell;
// 3 October 2000
// ------------------------------------------------------------------------
- Double_t dz = fGeom->GetPadSizeZ() / 2;
- Double_t dx = fGeom->GetPadSizePhi() / 2;
- Double_t z = zhit * fGeom->GetPadSizeZ();
- Double_t x = xhit * fGeom->GetPadSizePhi();
+ Double_t dz = GetGeometry()->GetPadSizeZ() / 2;
+ Double_t dx = GetGeometry()->GetPadSizePhi() / 2;
+ Double_t z = zhit * GetGeometry()->GetPadSizeZ();
+ Double_t x = xhit * GetGeometry()->GetPadSizePhi();
Double_t amplitude = qhit *
(CPVCumulPadResponse(z+dz,x+dx) - CPVCumulPadResponse(z+dz,x-dx) -
CPVCumulPadResponse(z-dz,x+dx) + CPVCumulPadResponse(z-dz,x-dx));