X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=PHOS%2FAliPHOSv1.cxx;h=d4f8de8f63392e4dbc80995843155ec2332d123e;hb=0f20e40cb80a7bae46238ecb48ce772aee16518a;hp=b8585002d1dec7be9c9515561736ce66c78182b7;hpb=550bee1736fec1b8d712b19c7676f9efb1f4aa35;p=u%2Fmrichter%2FAliRoot.git diff --git a/PHOS/AliPHOSv1.cxx b/PHOS/AliPHOSv1.cxx index b8585002d1d..d4f8de8f633 100644 --- a/PHOS/AliPHOSv1.cxx +++ b/PHOS/AliPHOSv1.cxx @@ -15,81 +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; - - fHits = new TClonesArray("AliPHOSHit",1000) ; - - // 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 @@ -97,651 +75,332 @@ AliPHOSv0(name,title) // (this array is reset after each primary has been tracked). // - fPinElectronicNoise = 0.010 ; - fDigitThreshold = 0.01 ; // 1 GeV - fDigitizeA= 0. ; - fDigitizeB = 10000000. ; // 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() ). - - fHits= new TClonesArray("AliPHOSHit",1000) ; - - fNhits = 0 ; - - fReconstructioner = 0; - fTrackSegmentMaker = 0; - - fIshunt = 1 ; // All hits are associated with primary particles + // and the TreeD at the end of the event (branch is set in FinishEvent() ). - // 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) ; + gAlice->GetMCApp()->AddHitList(fHits) ; 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 ( fSDigits) { - fSDigits->Delete() ; - delete fSDigits ; - fSDigits = 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, TLorentzVector p, Float_t * lpos) +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, p, lpos) ; + newHit = new AliPHOSHit(shunt, primary, Id, hits) ; for ( hitCounter = fNhits-1 ; hitCounter >= 0 && !deja ; hitCounter-- ) { - curHit = (AliPHOSHit*) (*fHits)[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; } //____________________________________________________________________________ -void AliPHOSv1::Hits2SDigits(){ - //Collects all hits in the same active volume into digit - - Int_t i ; - Int_t j ; - AliPHOSHit * hit ; - AliPHOSDigit * newdigit ; - AliPHOSDigit * curdigit ; - Bool_t deja = kFALSE ; - - - Int_t itrack ; - for (itrack=0; itrackGetNtrack(); itrack++){ - - //=========== 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) ; - - // 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 < fnSdigits ; j++) { - curdigit = (AliPHOSDigit*) fSDigits->At(j) ; - if ( *curdigit == *newdigit) { - *curdigit = *curdigit + *newdigit ; - deja = kTRUE ; - } - } - - if ( !deja ) { - new((*fSDigits)[fnSdigits]) AliPHOSDigit(* newdigit) ; - fnSdigits++ ; - } - - delete newdigit ; - } - - } // loop over tracks - - fSDigits->Sort() ; - - fnSdigits = fSDigits->GetEntries() ; - fSDigits->Expand(fnSdigits) ; - - for (i = 0 ; i < fnSdigits ; i++) { - AliPHOSDigit * digit = (AliPHOSDigit *) fSDigits->At(i) ; - digit->SetIndexInList(i) ; - } - - gAlice->TreeS()->Fill() ; - gAlice->TreeS()->Write(0,TObject::kOverwrite) ; - +void AliPHOSv1::FinishPrimary() +{ + // called at the end of each track (primary) by AliRun + // hits are reset for each new track + // accumulate the total hit-multiplicity } -//____________________________________________________________________________ -void AliPHOSv1::SDigits2Digits(){ - //Adds noise to the summable digits and removes everething below thresholds - //Note, that sDigits should be SORTED in accordance with abs ID. - - gAlice->TreeS()->GetEvent(0) ; +//____________________________________________________________________________ +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 + AliDetector::FinishEvent(); +} +//____________________________________________________________________________ +void AliPHOSv1::StepManager(void) +{ + // Accumulates hits as long as the track stays in a single crystal or CPV gas Cell - // Noise induced by the PIN diode of the PbWO crystals - Int_t iCurSDigit = 0 ; - //we assume, that there is al least one EMC digit... - if(fSDigits->GetEntries() == 0) { - cout << "PHOS::SDigits2Digits> No SDigits !!! Do not produce Digits " << endl ; - return ; - } + 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 idCurSDigit = ((AliPHOSDigit *)fSDigits->At(0))->GetId() ; + TString name = GetGeometry()->GetName() ; - Int_t absID ; - for(absID = 1; absID < fGeom->GetNModules()*fGeom->GetNPhi()*fGeom->GetNZ(); absID++){ - Float_t noise = gRandom->Gaus(0., fPinElectronicNoise) ; - if(absID < idCurSDigit ){ - if(noise >fDigitThreshold ){ - new((*fDigits)[fNdigits]) AliPHOSDigit( -1,absID,Digitize(noise) ) ; - fNdigits++ ; - } - } - else{ //add noise and may be remove the true hit - Float_t signal = noise + Calibrate(((AliPHOSDigit *)fSDigits->At(iCurSDigit))->GetAmp()) ; - if( signal >fDigitThreshold ){ - AliPHOSDigit * digit = (AliPHOSDigit*) fSDigits->At(iCurSDigit) ; - new((*fDigits)[fNdigits]) AliPHOSDigit( *digit ) ; - ((AliPHOSDigit *)fDigits->At(fNdigits))->SetAmp(Digitize(signal)); - fNdigits++ ; - } - - if(iCurSDigit < fSDigits->GetEntries()-1){ - iCurSDigit++ ; - idCurSDigit = ((AliPHOSDigit*)fSDigits->At(iCurSDigit))->GetId() ; - } - else - idCurSDigit = 10000000; //no real hits left - } + Int_t moduleNumber ; + + static Int_t idPCPQ = gMC->VolId("PCPQ"); + if( gMC->CurrentVolID(copy) == idPCPQ && + (gMC->IsTrackEntering() ) && + gMC->TrackCharge() != 0) { - } - - //remove PPSD/CPV digits below thresholds - Int_t idigit ; - for(idigit = iCurSDigit; idigit < fSDigits->GetEntries() ; idigit++){ //loop over CPV/PPSD digits + gMC -> TrackPosition(pos); - AliPHOSDigit * digit = (AliPHOSDigit *) fSDigits->At(idigit) ; - Float_t ene = Calibrate(digit->GetAmp()) ; + 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 - Int_t relid[4] ; - fGeom->AbsToRelNumbering(digit->GetId(), relid) ; - if ( relid[0] > fGeom->GetNCPVModules() ){ //ppsd - if ( ( (relid[1] > 0) && (ene > fPpsdEnergyThreshold)) || //PPSD digit - ( (relid[1] < 0) && (ene > fCpvEnergyThreshold ) ) ) //CPV digit - new((*fDigits)[fNdigits]) AliPHOSDigit( *digit ) ; - fNdigits++ ; - } - } + Float_t xyd[3]={0,0,0} ; //local position of the entering + xyd[0] = xyzd[0]; + xyd[1] =-xyzd[2]; + xyd[2] =-xyzd[1]; - fDigits->Compress() ; - - fNdigits = fDigits->GetEntries() ; - fDigits->Expand(fNdigits) ; - - Int_t i ; - for (i = 0 ; i < fNdigits ; i++) { - AliPHOSDigit * digit = (AliPHOSDigit *) fDigits->At(i) ; - digit->SetIndexInList(i) ; - } - - gAlice->TreeD()->Fill() ; - - gAlice->TreeD()->Write(0,TObject::kOverwrite) ; - -} - -//___________________________________________________________________________ -void AliPHOSv1::MakeBranch(Option_t* opt, char *file) -{ - - - char *cH ; - // Create new branche in the current Root Tree in the digit Tree - AliDetector::MakeBranch(opt) ; - - - cH = strstr(opt,"S"); - //Create a branch for SDigits - if( cH ){ - char branchname[20]; - sprintf(branchname,"%s",GetName()); - if(fSDigits) - fSDigits->Clear(); - else - fSDigits = new TClonesArray("AliPHOSDigit",1000); - fnSdigits = 0 ; - gAlice->MakeBranchInTree(gAlice->TreeS(),branchname,&fSDigits,fBufferSize,file); - } - - cH = strstr(opt,"D"); - //Create a branch for Digits - if( cH ){ - char branchname[20]; - sprintf(branchname,"%s",GetName()); - if(fSDigits) - fDigits->Clear(); - else - fDigits = new TClonesArray("AliPHOSDigit",1000); - fNdigits = 0 ; + // 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]; - gAlice->MakeBranchInTree(gAlice->TreeD(),branchname,&fSDigits,fBufferSize,file); - } - - cH = strstr(opt,"R"); - //Create a branch for Reconstruction - if( cH ){ - char branchname[20]; + 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]; - Int_t splitlevel = 0 ; + // Digitize the current CPV hit: - 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() ; + // 1. find pad response and + gMC->CurrentVolOffID(3,moduleNumber); + moduleNumber--; - if ( fTrackSegments && gAlice->TreeR() ) { - sprintf(branchname,"%sTS",GetName()) ; - gAlice->TreeR()->Branch(branchname, &fTrackSegments, fBufferSize) ; - } + TClonesArray *cpvDigits = new TClonesArray("AliPHOSCPVDigit",0); // array of digits for current hit + CPVDigitize(pmom,xyd,cpvDigits); + + Float_t xmean = 0; + Float_t zmean = 0; + Float_t qsum = 0; + Int_t idigit,ndigits; - fRecParticles->Delete() ; + // 2. go through the current digit list and sum digits in pads - if ( fRecParticles && gAlice->TreeR() ) { - sprintf(branchname,"%sRP",GetName()) ; - gAlice->TreeR()->Branch(branchname, &fRecParticles, fBufferSize) ; + 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() ; - } - -} - -//_____________________________________________________________________________ -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 ; + // 3. add digits to temporary hit list fTmpHits - // 1. - - // gAlice->MakeTree("R") ; - - MakeBranch("R") ; - - // 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::ResetReconstruction() -{ - // Deleting reconstructed objects - - if ( fEmcRecPoints ) fEmcRecPoints ->Delete(); - if ( fPpsdRecPoints ) fPpsdRecPoints->Delete(); - if ( fTrackSegments ) fTrackSegments->Delete(); - if ( fRecParticles ) fRecParticles ->Delete(); - -} - -//____________________________________________________________________________ - -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 - TLorentzVector pmom ; //momentum of the particle initiated hit - Float_t xyd[3] ; //local posiiton of the entering - Bool_t entered = kFALSE ; - Int_t copy ; - - Int_t tracknumber = gAlice->CurrentTrack() ; - Int_t primary = gAlice->GetPrimary( gAlice->CurrentTrack() ); - TString name = fGeom->GetName() ; - Int_t trackpid = 0 ; - - if( gMC->IsTrackEntering() ){ // create hit with position and momentum of new particle, - // but may be without energy deposition + 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 - // Current position of the hit in the local ref. system - 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 - xyd[0] = xyzd[0]; - xyd[1] =-xyzd[1]; - xyd[2] =-xyzd[2]; + xyzte[3] = gMC->TrackTime() ; + xyzte[4] = cpvDigit->GetQpad() ; // amplitude in a pad + Int_t primary = gAlice->GetMCApp()->GetPrimary( gAlice->GetMCApp()->GetCurrentTrackNumber() ); + AddHit(fIshunt, primary, absid, xyzte); - // Current momentum of the hit's track in the local ref. system - 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]; - - trackpid = gMC->TrackPid(); - entered = kTRUE ; // Mark to create hit even withou energy deposition - + 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; + } } + + static Int_t idPXTL = gMC->VolId("PXTL"); + if(gMC->CurrentVolID(copy) == idPXTL ) { // We are inside a PBWO crystal - 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) || entered ) { // there is deposited energy or new particle entering PPSD - 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, pmom, xyd); - - - } // 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") && - entered && - gMC->TrackCharge() != 0) { + } + } + if ( lostenergy != 0 ) { // Track is inside the crystal and deposits some energy + xyzte[3] = gMC->TrackTime() ; - // Digitize the current CPV hit: - - // 1. find pad response and + gMC->CurrentVolOffID(10, moduleNumber) ; // get the PHOS module number ; - Int_t moduleNumber; - gMC->CurrentVolOffID(3,moduleNumber); - moduleNumber--; - - - TClonesArray *cpvDigits = new TClonesArray("AliPHOSCPVDigit",0); // array of digits for current hit - CPVDigitize(pmom,xyd,moduleNumber,cpvDigits); + 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() ; - 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) ; + 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 ; + + 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, pmom, xyd); - - 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() ; - - - if ( (xyze[3] != 0) || entered ) { // Track is inside the crystal and deposits some energy or just entered - - 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,pmom, xyd); - - + // 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: @@ -753,7 +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 @@ -774,15 +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; @@ -842,20 +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; @@ -892,10 +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));