X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;ds=inline;f=PHOS%2FAliPHOSv1.cxx;h=d4f8de8f63392e4dbc80995843155ec2332d123e;hb=bb2a935f25323db112bb00c6af27c6b971cd50ea;hp=30a4bdf97814c885dfca31b753b419b43e9a8d8e;hpb=2ab0c72500f5baaae8a0a5299ab6566b50c278b4;p=u%2Fmrichter%2FAliRoot.git diff --git a/PHOS/AliPHOSv1.cxx b/PHOS/AliPHOSv1.cxx index 30a4bdf9781..d4f8de8f633 100644 --- a/PHOS/AliPHOSv1.cxx +++ b/PHOS/AliPHOSv1.cxx @@ -15,79 +15,59 @@ /* $Id$ */ +/* History of cvs commits: + * + * $Log$ + */ + //_________________________________________________________________________ // Implementation version v1 of PHOS Manager class //--- -// Layout EMC + PPSD has name GPS2: -// Produces cumulated hits //--- // Layout EMC + CPV has name IHEP: // Produces hits for CPV, cumulated hits //--- -// Layout EMC + CPV + PPSD has name GPS: -// Produces hits for CPV, cumulated hits //--- //*-- Author: Yves Schutz (SUBATECH) // --- ROOT system --- - -#include "TBRIK.h" -#include "TNode.h" -#include "TRandom.h" -#include "TTree.h" - +#include +#include // --- Standard library --- -#include -#include -#include -#include // --- AliRoot header files --- - -#include "AliPHOSv1.h" +#include "AliPHOSCPVDigit.h" +#include "AliPHOSGeometry.h" #include "AliPHOSHit.h" -#include "AliPHOSDigit.h" -#include "AliPHOSReconstructioner.h" +#include "AliPHOSv1.h" #include "AliRun.h" -#include "AliConst.h" #include "AliMC.h" ClassImp(AliPHOSv1) //____________________________________________________________________________ -AliPHOSv1::AliPHOSv1() +AliPHOSv1::AliPHOSv1(): +AliPHOSv0() { - // ctor - // Create an empty array of AliPHOSCPVModule to satisfy - // AliPHOSv1::Streamer when reading root file - - fReconstructioner = 0; - fTrackSegmentMaker = 0; - - if ( 0==(fEMCModules=new TClonesArray("AliPHOSCPVModule",0)) ) { - Error("AliPHOSv1","Can not create array of EMC modules"); - exit(1); - } - - if ( 0==(fCPVModules=new TClonesArray("AliPHOSCPVModule",0)) ) { - Error("AliPHOSv1","Can not create array of CPV modules"); - exit(1); - } + 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 ) - // MIXT = 4 modules (EMC + CPV ) and 1 module (EMC + PPSD) // // We store hits : // - fHits (the "normal" one), which retains the hits associated with @@ -95,669 +75,332 @@ AliPHOSv0(name,title) // (this array is reset after each primary has been tracked). // - 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() ). fHits= new TClonesArray("AliPHOSHit",1000) ; + gAlice->GetMCApp()->AddHitList(fHits) ; fNhits = 0 ; - fReconstructioner = 0; - fTrackSegmentMaker = 0; - - fIshunt = 1 ; // All hits are associated with primary particles - - // Create array of EMC modules of the size of PHOS modules number - - if ( 0==(fEMCModules=new TClonesArray("AliPHOSCPVModule",fGeom->GetNModules())) ) { - Error("AliPHOSv1","Can not create array of EMC modules"); - exit(1); - } - TClonesArray &lemcmodule = *fEMCModules; - for (Int_t i=0; iGetNModules(); i++) new(lemcmodule[i]) AliPHOSCPVModule(); - - // Create array of CPV modules for the IHEP's version of CPV - - if ( strcmp(fGeom->GetName(),"IHEP") == 0 || strcmp(fGeom->GetName(),"MIXT") == 0 ) { - // Create array of CPV modules of the size of PHOS modules number - - if ( 0==(fCPVModules=new TClonesArray("AliPHOSCPVModule",fGeom->GetNCPVModules())) ) { - Error("AliPHOSv1","Can not create array of CPV modules"); - exit(1); - } - TClonesArray &lcpvmodule = *fCPVModules; - for (Int_t i=0; iGetNCPVModules(); i++) new(lcpvmodule[i]) AliPHOSCPVModule(); - } - else { - // Create an empty array of AliPHOSCPVModule to satisfy - // AliPHOSv1::Streamer when writing root file - - fCPVModules=new TClonesArray("AliPHOSCPVModule",0); - - } -} - -//____________________________________________________________________________ -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 = 0 ; - fHits= new TClonesArray("AliPHOSHit",1000) ; - - 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 ; - + 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 ; } //____________________________________________________________________________ AliPHOSv1::~AliPHOSv1() { // dtor - - if ( fHits) { + if ( fHits) { fHits->Delete() ; delete fHits ; fHits = 0 ; - } - - if ( fDigits) { - fDigits->Delete() ; - delete fDigits ; - fDigits = 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 ; - } - +//____________________________________________________________________________ +void AliPHOSv1::Copy(TObject & base)const +{ + TObject::Copy(base) ; + AliPHOSv0::Copy(base) ; + AliPHOSv1 &phos = static_cast(base); + phos.fLightYieldMean = fLightYieldMean ; + phos.fIntrinsicPINEfficiency = fIntrinsicPINEfficiency ; + phos.fLightYieldAttenuation = fLightYieldAttenuation ; + phos.fRecalibrationFactor = fRecalibrationFactor ; + phos.fElectronsPerGeV = fElectronsPerGeV ; + phos.fAPDGain = fAPDGain ; + phos.fLightFactor = fLightFactor ; + phos.fAPDFactor = fAPDFactor ; } //____________________________________________________________________________ -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 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 ; AliPHOSHit *newHit ; AliPHOSHit *curHit ; Bool_t deja = kFALSE ; + AliPHOSGeometry * geom = GetGeometry() ; - newHit = new AliPHOSHit(shunt, primary, tracknumber, Id, hits, trackpid) ; + newHit = new AliPHOSHit(shunt, primary, Id, hits) ; - for ( hitCounter = 0 ; hitCounter < fNhits && !deja ; hitCounter++ ) { - curHit = (AliPHOSHit*) (*fHits)[hitCounter] ; + for ( hitCounter = fNhits-1 ; hitCounter >= 0 && !deja ; hitCounter-- ) { + curHit = dynamic_cast((*fHits)[hitCounter]) ; + if(curHit->GetPrimary() != primary) break ; + // We add hits with the same primary, while GEANT treats primaries succesively if( *curHit == *newHit ) { - *curHit = *curHit + *newHit ; + *curHit + *newHit ; deja = kTRUE ; } } if ( !deja ) { new((*fHits)[fNhits]) AliPHOSHit(*newHit) ; + // get the block Id number + Int_t relid[4] ; + geom->AbsToRelNumbering(Id, relid) ; + fNhits++ ; } - + delete newHit; } -//___________________________________________________________________________ -Int_t AliPHOSv1::Digitize(Float_t Energy) +//____________________________________________________________________________ +void AliPHOSv1::FinishPrimary() { - // Applies the energy calibration - - Float_t fB = 10000000. ; - 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 + } //____________________________________________________________________________ -void AliPHOSv1::Hit2Digit(Int_t ntracks){ - //Collects all hits in the same active volume into digits - - if(fDigits!= 0) - fDigits->Clear() ; - else - fDigits = new TClonesArray("AliPHOSDigit",1000) ; - - // Branch address for digit tree - char branchname[20]; - sprintf(branchname,"%s",GetName()); - gAlice->TreeD()->Branch(branchname,&fDigits,fBufferSize); +void AliPHOSv1::FinishEvent() +{ + // 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 - gAlice->TreeD()->GetEvent(0); + AliDetector::FinishEvent(); +} +//____________________________________________________________________________ +void AliPHOSv1::StepManager(void) +{ + // 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 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 ; + + TString name = GetGeometry()->GetName() ; + + Int_t moduleNumber ; - Int_t i ; - Int_t relid[4]; - Int_t j ; - AliPHOSHit * hit ; - AliPHOSDigit * newdigit ; - AliPHOSDigit * curdigit ; - Bool_t deja = kFALSE ; - - Int_t itrack ; - for (itrack=0; itrackVolId("PCPQ"); + if( gMC->CurrentVolID(copy) == idPCPQ && + (gMC->IsTrackEntering() ) && + gMC->TrackCharge() != 0) { - //=========== Get the Hits Tree for the Primary track itrack - gAlice->ResetHits(); - gAlice->TreeH()->GetEvent(itrack); - - for ( i = 0 ; i < fHits->GetEntries() ; i++ ) { - hit = (AliPHOSHit*)fHits->At(i) ; + gMC -> TrackPosition(pos); - // 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*) fDigits->At(j) ; - if ( *curdigit == *newdigit) { - *curdigit = *curdigit + *newdigit ; - deja = kTRUE ; - } - } - - if ( !deja ) { - new((*fDigits)[fNdigits]) AliPHOSDigit(* newdigit) ; - fNdigits++ ; - } - - delete newdigit ; - } - - } // loop over tracks + 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 - // Noise induced by the PIN diode of the PbWO crystals - - Float_t energyandnoise ; - for ( i = 0 ; i < fNdigits ; i++ ) { - newdigit = (AliPHOSDigit * ) fDigits->At(i) ; + 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]; - fGeom->AbsToRelNumbering(newdigit->GetId(), relid) ; + 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]; + + // Digitize the current CPV hit: + + // 1. find pad response and + gMC->CurrentVolOffID(3,moduleNumber); + moduleNumber--; - if (relid[1]==0){ // Digits belong to EMC (PbW0_4 crystals) - energyandnoise = newdigit->GetAmp() + Digitize(gRandom->Gaus(0., fPinElectronicNoise)) ; + TClonesArray *cpvDigits = new TClonesArray("AliPHOSCPVDigit",0); // array of digits for current hit + CPVDigitize(pmom,xyd,cpvDigits); - if (energyandnoise < 0 ) - energyandnoise = 0 ; - - if ( newdigit->GetAmp() < fDigitThreshold ) // if threshold not surpassed, remove digit from list - fDigits->RemoveAt(i) ; + 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(cpvDigits->UncheckedAt(idigit)); + Float_t x1 = cpvDigit1->GetXpad() ; + Float_t z1 = cpvDigit1->GetYpad() ; + for (Int_t jdigit=idigit+1; jdigit(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() ; - fDigits->Compress() ; - - fNdigits = fDigits->GetEntries() ; - fDigits->Expand(fNdigits) ; - - for (i = 0 ; i < fNdigits ; i++) { - newdigit = (AliPHOSDigit *) fDigits->At(i) ; - newdigit->SetIndexInList(i) ; - } - - gAlice->TreeD()->Fill() ; - - gAlice->TreeD()->Write(0,TObject::kOverwrite) ; - -} - -//___________________________________________________________________________ -void AliPHOSv1::MakeBranch(Option_t* opt, char *file) -{ - // Create new branche in the current Root Tree in the digit Tree - AliDetector::MakeBranch(opt) ; - - // Create new branches EMC for hits in EMC modules - - for( Int_t i=0; iGetNModules(); i++ ) GetEMCModule(i).MakeBranch("EMC",i+1,file); - - // Create new branches CPV for hits in CPV modules for IHEP geometry - - if ( strcmp(fGeom->GetName(),"IHEP") == 0 || strcmp(fGeom->GetName(),"MIXT") == 0 ) { - for( Int_t i=0; iGetNCPVModules(); i++ ) GetCPVModule(i).MakeBranch("CPV",i+1,file); - } - -} - -//_____________________________________________________________________________ -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] ; - - // 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) ; - } + // 3. add digits to temporary hit list fTmpHits + + ndigits = cpvDigits->GetEntriesFast(); + for (idigit=0; idigit(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 + GetGeometry()->RelToAbsNumbering(relid, absid) ; + + // add current digit to the temporary hit list - fRecParticles->Delete() ; + xyzte[3] = gMC->TrackTime() ; + xyzte[4] = cpvDigit->GetQpad() ; // amplitude in a pad - if ( fRecParticles && gAlice->TreeR() ) { - sprintf(branchname,"%sRP",GetName()) ; - gAlice->TreeR()->Branch(branchname, &fRecParticles, fBufferSize) ; + Int_t primary = gAlice->GetMCApp()->GetPrimary( gAlice->GetMCApp()->GetCurrentTrackNumber() ); + AddHit(fIshunt, primary, 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; + } } - - // 3. - - fReconstructioner->Make(fDigits, fEmcRecPoints, fPpsdRecPoints, fTrackSegments, fRecParticles); - printf("Reconstruction: %d %d %d %d\n", - fEmcRecPoints->GetEntries(),fPpsdRecPoints->GetEntries(), - fTrackSegments->GetEntries(),fRecParticles->GetEntries()); - - // 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 EMC and CPV - // Yuri Kharlov, 28 September 2000 - - AliDetector::ResetHits(); - for (Int_t i=0; iGetNModules(); i++) ((AliPHOSCPVModule*)(*fEMCModules)[i]) -> Clear(); - if ( strcmp(fGeom->GetName(),"IHEP") == 0 || strcmp(fGeom->GetName(),"MIXT") == 0 ) { - for (Int_t i=0; iGetNCPVModules(); i++) ((AliPHOSCPVModule*)(*fCPVModules)[i]) -> Clear(); - } - -} -//____________________________________________________________________________ -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 EMC modules - // Yuri Kharlov, 23 November 2000. - - for( Int_t i=0; iGetNModules(); i++ ) GetEMCModule(i).SetTreeAddress("EMC",i+1); - - // 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 || strcmp(fGeom->GetName(),"MIXT") == 0 ) { - for( Int_t i=0; iGetNCPVModules(); i++ ) GetCPVModule(i).SetTreeAddress("CPV",i+1); - } - -} + static Int_t idPXTL = gMC->VolId("PXTL"); + if(gMC->CurrentVolID(copy) == idPXTL ) { // We are inside a PBWO crystal -//____________________________________________________________________________ - -void AliPHOSv1::StepManager(void) -{ - // Accumulates hits as long as the track stays in a single crystal or PPSD gas Cell - -// if (gMC->IsTrackEntering()) -// cout << "Track enters the volume " << gMC->CurrentVolName() << endl; -// if (gMC->IsTrackExiting()) -// cout << "Track leaves the volume " << gMC->CurrentVolName() << endl; - - Int_t relid[4] ; // (box, layer, row, column) indices - Int_t absid ; // absolute cell ID number - Float_t xyze[4]={0,0,0,0} ; // position wrt MRS and energy deposited - TLorentzVector pos ; // Lorentz vector of the track current position - Int_t copy ; - Int_t i ; - - Int_t tracknumber = gAlice->CurrentTrack() ; - Int_t primary = gAlice->GetPrimary( gAlice->CurrentTrack() ); - TString name = fGeom->GetName() ; - Int_t trackpid = gMC->TrackPid() ; - if ( name == "GPS2" || name == "MIXT" ) { // ======> 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() ; - - if ( xyze[3] != 0 ) { // there is deposited energy - gMC->CurrentVolOffID(5, relid[0]) ; // get the PHOS Module number - if ( name == "MIXT" && strcmp(gMC->CurrentVolOffName(5),"PHO1") == 0 ){ - relid[0] += fGeom->GetNModules() - fGeom->GetNPPSDModules(); + gMC->TrackPosition(pos) ; + 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(); + + //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.+0.1){ //Entered close to forward surface + Int_t parent = gAlice->GetMCApp()->GetCurrentTrackNumber() ; + TParticle * part = gAlice->GetMCApp()->Particle(parent) ; + Float_t vert[3],vertd[3] ; + vert[0]=part->Vx() ; + vert[1]=part->Vy() ; + vert[2]=part->Vz() ; + gMC -> Gmtod (vert, vertd, 1); // transform coordinate from master to daughter system + if(vertd[1]<-GetGeometry()->GetCrystalSize(1)/2.-0.1){ //Particle is created in foront of PHOS + //0.1 to get rid of numerical errors + part->SetBit(kKeepBit); + while ( parent != -1 ) { + part = gAlice->GetMCApp()->Particle(parent) ; + part->SetBit(kKeepBit); + parent = part->GetFirstMother() ; + } } - gMC->CurrentVolOffID(3, relid[1]) ; // get the Micromegas Module number - // 1-> fGeom->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 - - if ( name == "IHEP" || name == "MIXT" ) { // ======> CPV is a IHEP's one - - // Yuri Kharlov, 28 September 2000 - - if( gMC->CurrentVolID(copy) == gMC->VolId("CPVQ") && - gMC->IsTrackEntering() && - gMC->TrackCharge() != 0) { - - // Charged track has just entered to the CPV sensitive plane + } + } + if ( lostenergy != 0 ) { // Track is inside the crystal and deposits some energy + xyzte[3] = gMC->TrackTime() ; - AliPHOSv1 &phos = *(AliPHOSv1*)gAlice->GetModule("PHOS"); + gMC->CurrentVolOffID(10, moduleNumber) ; // get the PHOS module number ; - Int_t moduleNumber; - gMC->CurrentVolOffID(3,moduleNumber); - moduleNumber--; + Int_t strip ; + gMC->CurrentVolOffID(3, strip); + Int_t cell ; + gMC->CurrentVolOffID(2, cell); - // Current position of the hit in the CPV module ref. system - - gMC -> TrackPosition(pos); - Float_t xyzm[3], xyzd[3], xyd[3]={0,0,0}; - 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]; + Int_t row = 1 + GetGeometry()->GetNZ() - strip % GetGeometry()->GetNZ() ; + Int_t col = (Int_t) TMath::Ceil((Double_t) strip/GetGeometry()->GetNZ()) -1 ; - // Current momentum of the hit's track in the CPV module ref. system + absid = (moduleNumber-1)*GetGeometry()->GetNCristalsInModule() + + row + (col*GetGeometry()->GetEMCAGeometry()->GetNCellsInStrip() + cell-1)*GetGeometry()->GetNZ() ; - 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(fIshunt,primary,pmom,xyd,ipart); - - if (fDebug == 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, primary = %d\n", - xyd[0],xyd[1],ipart,primary); - } - - // Digitize the current CPV hit: - - // 1. find pad response and + gMC->Gmtod(global, local, 1) ; - TClonesArray *cpvDigits = new TClonesArray("AliPHOSCPVDigit",0); // array of digits for current hit - CPVDigitize(pmom,xyd,moduleNumber,cpvDigits); + //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 ; - 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; idigitUncheckedAt(idigit); - Float_t x1 = cpvDigit1->GetXpad() ; - Float_t z1 = cpvDigit1->GetYpad() ; - for (Int_t jdigit=idigit+1; jdigitUncheckedAt(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) ; + Int_t primary ; + if(fIshunt == 2){ + primary = gAlice->GetMCApp()->GetCurrentTrackNumber() ; + TParticle * part = gAlice->GetMCApp()->Particle(primary) ; + while ( !part->TestBit(kKeepBit) ) { + primary = part->GetFirstMother() ; + if(primary == -1){ + primary = gAlice->GetMCApp()->GetPrimary( gAlice->GetMCApp()->GetCurrentTrackNumber() ); + break ; //there is a possibility that particle passed e.g. thermal isulator and hits a side + //surface of the crystal. In this case it may have no primary at all. + //We can not easily separate this case from the case when this is part of the shower, + //developed in the neighboring crystal. } + part = gAlice->GetMCApp()->Particle(primary) ; } } - cpvDigits->Compress() ; - - // 3. add digits to temporary hit list fTmpHits - - ndigits = cpvDigits->GetEntriesFast(); - for (idigit=0; idigitUncheckedAt(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(); - } - } - delete cpvDigits; - } - } // 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() ; - - // Track enters to the crystal from the top edge - - if (gMC->IsTrackEntering()) { - Float_t posloc[3]; - gMC -> Gmtod (xyze, posloc, 1); - if (posloc[1] > fGeom->GetCrystalSize(1)/2-0.01) { - Int_t row,cel; - Float_t xyd[3]={0,0,0}; - AliPHOSv1 &phos = *(AliPHOSv1*)gAlice->GetModule("PHOS"); - - Int_t moduleNumber; - gMC->CurrentVolOffID(10,moduleNumber); - - if ( name == "MIXT" && strcmp(gMC->CurrentVolOffName(10),"PHO1") == 0 ) - moduleNumber += fGeom->GetNModules() - fGeom->GetNPPSDModules(); - moduleNumber--; - - gMC->CurrentVolOffID(4, row) ; // get the row number inside the module - gMC->CurrentVolOffID(3, cel) ; // get the cell number inside the module - xyd[0] = -(posloc[2] + (cel-0.5-fGeom->GetNZ() /2) * - (fGeom->GetCrystalSize(2) + 2 * fGeom->GetGapBetweenCrystals())); - xyd[1] = posloc[0] + (row-0.5-fGeom->GetNPhi()/2) * - (fGeom->GetCrystalSize(0) + 2 * fGeom->GetGapBetweenCrystals()); - - // Current momentum of the hit's track in the CPV module ref. system - - 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 EMC hits. - - phos.GetEMCModule(moduleNumber).AddHit(fIshunt,primary,pmom,xyd,ipart); - - if (fDebug == 1) { - printf("EMC 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, primary = %d\n", - xyd[0],xyd[1],ipart,primary); - } - } - } - - // Track is inside the crystal and deposits some energy - - if ( xyze[3] != 0 ) { - gMC->CurrentVolOffID(10, relid[0]) ; // get the PHOS module number ; - if ( name == "MIXT" && strcmp(gMC->CurrentVolOffName(10),"PHO1") == 0 ) - relid[0] += fGeom->GetNModules() - fGeom->GetNPPSDModules(); + else + primary = gAlice->GetMCApp()->GetPrimary( gAlice->GetMCApp()->GetCurrentTrackNumber() ); - 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 - // get the absolute Id number - fGeom->RelToAbsNumbering(relid, absid) ; - + // add current hit to the hit list - AddHit(fIshunt, primary,tracknumber, absid, xyze, trackpid); - + // Info("StepManager","%d %d", primary, tracknumber) ; + AddHit(fIshunt, primary, absid, xyzte); + } // there is deposited energy } // we are inside a PHOS Xtal + } //____________________________________________________________________________ -void AliPHOSv1::CPVDigitize (TLorentzVector p, Float_t *zxhit, Int_t moduleNumber, TClonesArray *cpvDigits) +void AliPHOSv1::CPVDigitize (TLorentzVector p, Float_t *zxhit, TClonesArray *cpvDigits) { // ------------------------------------------------------------------------ // Digitize one CPV hit: @@ -769,7 +412,7 @@ void AliPHOSv1::CPVDigitize (TLorentzVector p, Float_t *zxhit, Int_t moduleNumbe // 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 @@ -790,15 +433,15 @@ void AliPHOSv1::CPVDigitize (TLorentzVector p, Float_t *zxhit, Int_t moduleNumbe Float_t pNorm = p.Py(); Float_t eloss = kdEdx; -// cout << "CPVDigitize: YVK : "<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; @@ -858,20 +501,20 @@ void AliPHOSv1::CPVDigitize (TLorentzVector p, Float_t *zxhit, Int_t moduleNumbe // Finite size of ionization region - Int_t nCellZ = fGeom->GetNumberOfCPVPadsZ(); - Int_t nCellX = fGeom->GetNumberOfCPVPadsPhi(); + 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(cpvDigits)); for (Int_t iter=0; iterGetPadSizeZ(); - 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; @@ -908,10 +551,10 @@ Float_t AliPHOSv1::CPVPadResponseFunction(Float_t qhit, Float_t zhit, Float_t xh // 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));