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It is * * provided "as is" without express or implied warranty. * **************************************************************************/ /* $Id$ */ //_________________________________________________________________________ //*-- Implementation version v2 of EMCAL Manager class; SHASHLYK version //*-- An object of this class does not produce digits //*-- It is the one to use if you do want to produce outputs in TREEH //*-- //*-- Author : Aleksei Pavlinov (WSU) // This Class not stores information on all particles prior to EMCAL entry - in order to facilitate analysis. // This is done by setting fIShunt =2, and flagging all parents of particles entering the EMCAL. // --- ROOT system --- #include "AliEMCALv3.h" #include "AliEMCALHitv1.h" #include "TParticle.h" #include "TVirtualMC.h" #include "TBrowser.h" #include "TH2.h" #include // --- Standard library --- // --- AliRoot header files --- #include "AliEMCALGeometry.h" #include "AliRun.h" #include "AliHeader.h" #include "AliMC.h" #include "AliStack.h" // for TRD1,2 case ClassImp(AliEMCALv3) //extern "C" void gdaxis_(float &x0, float &y0, float &z0, float &axsiz); //______________________________________________________________________ AliEMCALv3::AliEMCALv3():AliEMCALv1(){ // ctor } //______________________________________________________________________ AliEMCALv3::AliEMCALv3(const char *name, const char *title): AliEMCALv1(name,title) { // Standard Creator. fHits= new TClonesArray("AliEMCALHitv1",2000); gAlice->GetMCApp()->AddHitList(fHits); fNhits = 0; fIshunt = 2; // All hits are associated with particles entering the calorimeter fTimeCut = 30e-09; fGeometry = GetGeometry(); } //______________________________________________________________________ AliEMCALv3::AliEMCALv3(const AliEMCALv3 & emcal):AliEMCALv1(emcal) { fGeometry = emcal.fGeometry; } //______________________________________________________________________ AliEMCALv3::~AliEMCALv3(){ // dtor if ( fHits) { fHits->Delete(); delete fHits; fHits = 0; } } //______________________________________________________________________ void AliEMCALv3::AddHit(Int_t shunt, Int_t primary, Int_t tracknumber, Int_t iparent, Float_t ienergy, Int_t id, Float_t * hits,Float_t * p){ // Add a hit to the hit list. // An EMCAL hit is the sum of all hits in a tower section // originating from the same entering particle static Int_t hitCounter; static AliEMCALHitv1 *newHit, *curHit; static Bool_t deja; deja = kFALSE; newHit = new AliEMCALHitv1(shunt, primary, tracknumber, iparent, ienergy, id, hits, p); for ( hitCounter = fNhits-1; hitCounter >= 0 && !deja; hitCounter-- ) { curHit = (AliEMCALHitv1*) (*fHits)[hitCounter]; // We add hits with the same tracknumber, while GEANT treats // primaries succesively if(curHit->GetPrimary() != primary) break; if( *curHit == *newHit ) { *curHit = *curHit + *newHit; deja = kTRUE; // break; // 30-aug-04 by PAI } // end if } // end for hitCounter if ( !deja ) { new((*fHits)[fNhits]) AliEMCALHitv1(*newHit); fNhits++; } // printf(" fNhits %i \n", fNhits); delete newHit; } //______________________________________________________________________ void AliEMCALv3::StepManager(void){ // Accumulates hits as long as the track stays in a tower // position wrt MRS and energy deposited static Float_t xyzte[5]={0.,0.,0.,0.,0.};// position wrt MRS, time and energy deposited static Float_t pmom[4]={0.,0.,0.,0.}; static TLorentzVector pos; // Lorentz vector of the track current position. static TLorentzVector mom; // Lorentz vector of the track current momentum. static Float_t ienergy = 0; static TString curVolName; static int supModuleNumber, moduleNumber, yNumber, xNumber, absid; static int keyGeom=0; static char *vn = "SX"; // 15-mar-05 static int nSMOP[7]={1,3,5,7,9,11}; // 30-mar-05 static int nSMON[7]={2,4,6,8,10,12}; static Float_t depositedEnergy=0.0; if(keyGeom == 0) { keyGeom = 2; if(gMC->VolId("PBMO")==0 || gMC->VolId("WSUC")==1) { vn = "SCMX"; // old TRD2(TRD1) or WSUC keyGeom = 1; } printf("AliEMCALv3::StepManager(): keyGeom %i : Sensetive volume %s \n", keyGeom, vn); if(gMC->VolId("WSUC")==1) printf(" WSUC - cosmic ray stand geometry \n"); } Int_t tracknumber = gAlice->GetMCApp()->GetCurrentTrackNumber(); curVolName = gMC->CurrentVolName(); if(curVolName.Contains(vn)) { // We are in a scintillator layer // printf(" keyGeom %i : Sensetive volume %s (%s) \n", keyGeom, curVolName.Data(), vn); if( ((depositedEnergy = gMC->Edep()) > 0.) && (gMC->TrackTime() < fTimeCut)){// Track is inside a scintillator and deposits some energy // Info("StepManager "," entry %i DE %f",++ientry, depositedEnergy); // for testing if (fCurPrimary==-1) fCurPrimary=gAlice->GetMCApp()->GetPrimary(tracknumber); if (fCurParent==-1 || tracknumber != fCurTrack) { // Check parentage Int_t parent=tracknumber; if (fCurParent != -1) { while (parent != fCurParent && parent != -1) { TParticle *part=gAlice->GetMCApp()->Particle(parent); parent=part->GetFirstMother(); } } if (fCurParent==-1 || parent==-1) { Int_t parent=tracknumber; TParticle *part=gAlice->GetMCApp()->Particle(parent); while (parent != -1 && fGeometry->IsInEMCAL(part->Vx(),part->Vy(),part->Vz())) { parent=part->GetFirstMother(); if (parent!=-1) part=gAlice->GetMCApp()->Particle(parent); } fCurParent=parent; if (fCurParent==-1) Error("StepManager","Cannot find parent"); else { TParticle *part=gAlice->GetMCApp()->Particle(fCurParent); ienergy = part->Energy(); } while (parent != -1) { part=gAlice->GetMCApp()->Particle(parent); part->SetBit(kKeepBit); parent=part->GetFirstMother(); } } fCurTrack=tracknumber; } gMC->TrackPosition(pos); xyzte[0] = pos[0]; xyzte[1] = pos[1]; xyzte[2] = pos[2]; xyzte[3] = gMC->TrackTime() ; gMC->TrackMomentum(mom); pmom[0] = mom[0]; pmom[1] = mom[1]; pmom[2] = mom[2]; pmom[3] = mom[3]; // if(ientry%200 > 0) return; // testing supModuleNumber = moduleNumber = yNumber = xNumber = absid = 0; if(keyGeom >= 1) { // old style gMC->CurrentVolOffID(4, supModuleNumber); gMC->CurrentVolOffID(3, moduleNumber); gMC->CurrentVolOffID(1, yNumber); gMC->CurrentVolOffID(0, xNumber); // really x number now if(strcmp(gMC->CurrentVolOffName(4),"SM10")==0) supModuleNumber += 10; // 13-oct-05 } else { gMC->CurrentVolOffID(5, supModuleNumber); gMC->CurrentVolOffID(4, moduleNumber); gMC->CurrentVolOffID(1, yNumber); gMC->CurrentVolOffID(0, xNumber); if (strcmp(gMC->CurrentVolOffName(5),"SMOP")==0) supModuleNumber = nSMOP[supModuleNumber-1]; else if(strcmp(gMC->CurrentVolOffName(5),"SMON")==0) supModuleNumber = nSMON[supModuleNumber-1]; else assert(0); // something wrong } absid = fGeometry->GetAbsCellId(supModuleNumber, moduleNumber, yNumber, xNumber); if (absid == -1) Fatal("StepManager()", "Wrong id ") ; Float_t lightYield = depositedEnergy ; // Apply Birk's law (copied from G3BIRK) if (gMC->TrackCharge()!=0) { // Check Float_t BirkC1_mod = 0; if (fBirkC0==1){ // Apply correction for higher charge states if (TMath::Abs(gMC->TrackCharge())>=2) BirkC1_mod=fBirkC1*7.2/12.6; else BirkC1_mod=fBirkC1; } Float_t dedxcm; if (gMC->TrackStep()>0) dedxcm=1000.*gMC->Edep()/gMC->TrackStep(); else dedxcm=0; lightYield=lightYield/(1.+BirkC1_mod*dedxcm+fBirkC2*dedxcm*dedxcm); } xyzte[4] = lightYield; // 15-dec-04 Float_t xd[5]; // see Gmtod gMC->Gmtod(xyzte, xd, 1); xd[3] = xyzte[3]; xd[4] = xyzte[4]; // printf(" x %7.2f y %7.2f z %7.2f de %f\n", xd[0], xd[1], xd[2], xd[4]); if (gDebug == -2) printf("#sm %2i #m %3i #x %1i #z %1i -> absid %i : xyzte[4] = %f\n", supModuleNumber,moduleNumber,yNumber,xNumber,absid, xd[4]); AddHit(fIshunt, fCurPrimary,tracknumber, fCurParent, ienergy, absid, xd, pmom); } // there is deposited energy } } //_____________________________________________ void AliEMCALv3::Browse(TBrowser* b) { TObject::Browse(b); }