//_______________________________________________________________________
AliStack::AliStack():
- fParticles(0),
- fParticleMap(0),
+ fParticles("TParticle", 1000),
+ fParticleMap(),
fParticleFileMap(0),
fParticleBuffer(0),
fCurrentTrack(0),
//_______________________________________________________________________
AliStack::AliStack(Int_t size, const char* /*evfoldname*/):
- fParticles(new TClonesArray("TParticle",1000)),
- fParticleMap(new TObjArray(size)),
+ fParticles("TParticle",1000),
+ fParticleMap(size),
fParticleFileMap(0),
fParticleBuffer(0),
fCurrentTrack(0),
//_______________________________________________________________________
AliStack::AliStack(const AliStack& st):
TVirtualMCStack(st),
- fParticles(new TClonesArray("TParticle",1000)),
- fParticleMap(new TObjArray(*st.Particles())),
+ fParticles("TParticle",1000),
+ fParticleMap(*(st.Particles())),
fParticleFileMap(st.fParticleFileMap),
fParticleBuffer(0),
fCurrentTrack(0),
// Destructor
//
- if (fParticles) {
- fParticles->Delete();
- delete fParticles;
- }
- delete fParticleMap;
+ fParticles.Clear();
}
//
//
// Load a track on the stack
//
- // done 0 if the track has to be transported
- // 1 if not
+ // done 1 if the track has to be transported
+ // 0 if not
// parent identifier of the parent track. -1 for a primary
// pdg particle code
// pmom momentum GeV/c
//
// Load a track on the stack
//
- // done 0 if the track has to be transported
- // 1 if not
+ // done 1 if the track has to be transported
+ // 0 if not
// parent identifier of the parent track. -1 for a primary
// pdg particle code
// kS generation status code
const Int_t kLastDaughter=-1;
- TClonesArray &particles = *fParticles;
TParticle* particle
- = new(particles[fLoadPoint++])
+ = new(fParticles[fLoadPoint++])
TParticle(pdg, is, parent, -1, kFirstDaughter, kLastDaughter,
px, py, pz, e, vx, vy, vz, tof);
particle->SetWeight(weight);
particle->SetUniqueID(mech);
- if(!done) particle->SetBit(kDoneBit);
+
+
+ if(!done) {
+ particle->SetBit(kDoneBit);
+ } else {
+ particle->SetBit(kTransportBit);
+ }
+
+
// Declare that the daughter information is valid
particle->SetBit(kDaughtersBit);
// Add the particle to the stack
- fParticleMap->AddAtAndExpand(particle, fNtrack);//CHECK!!
+ fParticleMap.AddAtAndExpand(particle, fNtrack);//CHECK!!
if(parent>=0) {
- particle = dynamic_cast<TParticle*>(fParticleMap->At(parent));
+ particle = dynamic_cast<TParticle*>(fParticleMap.At(parent));
if (particle) {
particle->SetLastDaughter(fNtrack);
if(particle->GetFirstDaughter()<0) particle->SetFirstDaughter(fNtrack);
}
//_____________________________________________________________________________
-void AliStack::PurifyKine()
+Bool_t AliStack::PurifyKine()
{
//
// Compress kinematic tree keeping only flagged particles
// and renaming the particle id's in all the hits
//
- TObjArray &particles = *fParticleMap;
- int nkeep=fHgwmk+1, parent, i;
+ int nkeep = fHgwmk + 1, parent, i;
TParticle *part, *father;
- fTrackLabelMap.Set(particles.GetLast()+1);
+ fTrackLabelMap.Set(fParticleMap.GetLast()+1);
// Save in Header total number of tracks before compression
// If no tracks generated return now
- if(fHgwmk+1 == fNtrack) return;
+ if(fHgwmk+1 == fNtrack) return kFALSE;
// First pass, invalid Daughter information
for(i=0; i<fNtrack; i++) {
if(i<=fHgwmk) fTrackLabelMap[i]=i ;
else {
fTrackLabelMap[i] = -99;
- if((part=dynamic_cast<TParticle*>(particles.At(i)))) {
+ if((part=dynamic_cast<TParticle*>(fParticleMap.At(i)))) {
//
// Check of this track should be kept for physics reasons
if (KeepPhysics(part)) KeepTrack(i);
// Invalid daughter information for the parent of the first particle
// generated. This may or may not be the current primary according to
// whether decays have been recorded among the primaries
- part = dynamic_cast<TParticle*>(particles.At(fHgwmk+1));
- particles.At(part->GetFirstMother())->ResetBit(kDaughtersBit);
+ part = dynamic_cast<TParticle*>(fParticleMap.At(fHgwmk+1));
+ fParticleMap.At(part->GetFirstMother())->ResetBit(kDaughtersBit);
// Second pass, build map between old and new numbering
for(i=fHgwmk+1; i<fNtrack; i++) {
- if(particles.At(i)->TestBit(kKeepBit)) {
-
+ if(fParticleMap.At(i)->TestBit(kKeepBit)) {
// This particle has to be kept
fTrackLabelMap[i]=nkeep;
// If old and new are different, have to move the pointer
- if(i!=nkeep) particles[nkeep]=particles.At(i);
- part = dynamic_cast<TParticle*>(particles.At(nkeep));
-
+ if(i!=nkeep) fParticleMap[nkeep]=fParticleMap.At(i);
+ part = dynamic_cast<TParticle*>(fParticleMap.At(nkeep));
// as the parent is always *before*, it must be already
// in place. This is what we are checking anyway!
if((parent=part->GetFirstMother())>fHgwmk)
if(fTrackLabelMap[parent]==-99) Fatal("PurifyKine","fTrackLabelMap[%d] = -99!\n",parent);
else part->SetFirstMother(fTrackLabelMap[parent]);
-
nkeep++;
}
}
// Fix daughters information
for (i=fHgwmk+1; i<nkeep; i++) {
- part = dynamic_cast<TParticle*>(particles.At(i));
+ part = dynamic_cast<TParticle*>(fParticleMap.At(i));
parent = part->GetFirstMother();
if(parent>=0) {
- father = dynamic_cast<TParticle*>(particles.At(parent));
+ father = dynamic_cast<TParticle*>(fParticleMap.At(parent));
if(father->TestBit(kDaughtersBit)) {
if(i<father->GetFirstDaughter()) father->SetFirstDaughter(i);
// Now the output bit, from fHgwmk to nkeep we write everything and we erase
if(nkeep > fParticleFileMap.GetSize()) fParticleFileMap.Set(Int_t (nkeep*1.5));
for (i=fHgwmk+1; i<nkeep; ++i) {
- fParticleBuffer = dynamic_cast<TParticle*>(particles.At(i));
+ fParticleBuffer = dynamic_cast<TParticle*>(fParticleMap.At(i));
fParticleFileMap[i]=static_cast<Int_t>(TreeK()->GetEntries());
TreeK()->Fill();
- particles[i]=fParticleBuffer=0;
+ fParticleMap[i]=fParticleBuffer=0;
}
- for (i=nkeep; i<fNtrack; ++i) particles[i]=0;
+ for (i = nkeep; i < fNtrack; ++i) fParticleMap[i]=0;
Int_t toshrink = fNtrack-fHgwmk-1;
fLoadPoint-=toshrink;
-
- for(i=fLoadPoint; i<fLoadPoint+toshrink; ++i) fParticles->RemoveAt(i);
+ for(i=fLoadPoint; i<fLoadPoint+toshrink; ++i) fParticles.RemoveAt(i);
fNtrack=nkeep;
fHgwmk=nkeep-1;
+ return kTRUE;
}
-void AliStack::ReorderKine()
+
+Bool_t AliStack::ReorderKine()
{
//
// In some transport code children might not come in a continuous sequence.
// In this case the stack has to be reordered in order to establish the
// mother daughter relation using index ranges.
//
- if(fHgwmk+1 == fNtrack) return;
+ if(fHgwmk+1 == fNtrack) return kFALSE;
//
// Howmany secondaries have been produced ?
if (nNew > 0) {
Int_t i, j;
- TObjArray &particles = *fParticleMap;
TArrayI map1(nNew);
//
// Copy pointers to temporary array
TParticle** tmp = new TParticle*[nNew];
for (i = 0; i < nNew; i++) {
- if (particles.At(fHgwmk + 1 + i)) {
- tmp[i] = (TParticle*) (particles.At(fHgwmk + 1 + i));
+ if (fParticleMap.At(fHgwmk + 1 + i)) {
+ tmp[i] = (TParticle*) (fParticleMap.At(fHgwmk + 1 + i));
} else {
tmp[i] = 0x0;
}
//
// Reset LoadPoint
//
- fLoadPoint = fHgwmk + 1;
+ Int_t loadPoint = fHgwmk + 1;
//
// Re-Push particles into stack
// The outer loop is over parents, the inner over children.
TParticle* parP;
if (i == -1) {
ipa = tmp[0]->GetFirstMother();
- parP =dynamic_cast<TParticle*>(particles.At(ipa));
+ parP =dynamic_cast<TParticle*>(fParticleMap.At(ipa));
} else {
ipa = (fHgwmk + 1 + i);
// Skip deleted particles
Int_t jpa = tmp[j]->GetFirstMother();
// Check if daughter of current parent
if (jpa == ipa) {
- particles[fLoadPoint] = tmp[j];
+ fParticleMap[loadPoint] = tmp[j];
// Re-establish daughter information
- parP->SetLastDaughter(fLoadPoint);
- if (parP->GetFirstDaughter() == -1) parP->SetFirstDaughter(fLoadPoint);
+ parP->SetLastDaughter(loadPoint);
+ if (parP->GetFirstDaughter() == -1) parP->SetFirstDaughter(loadPoint);
// Set Mother information
if (i != -1) {
tmp[j]->SetFirstMother(map1[i]);
}
// Build the map
- map1[j] = fLoadPoint;
+ map1[j] = loadPoint;
// Increase load point
- fLoadPoint++;
+ loadPoint++;
}
} // children
} // parents
}
}
} // new particles poduced
+
+ return kTRUE;
}
Bool_t AliStack::KeepPhysics(TParticle* part)
Bool_t allFilled = kFALSE;
TObject *part;
for(Int_t i=0; i<fHgwmk+1; ++i)
- if((part=fParticleMap->At(i))) {
+ if((part=fParticleMap.At(i))) {
fParticleBuffer = dynamic_cast<TParticle*>(part);
fParticleFileMap[i]= static_cast<Int_t>(TreeK()->GetEntries());
TreeK()->Fill();
fParticleBuffer=0;
- fParticleMap->AddAt(0,i);
+ fParticleMap.AddAt(0,i);
// When all primaries were filled no particle!=0
// should be left => to be removed later.
Int_t curr=track;
while(1) {
- particle=dynamic_cast<TParticle*>(fParticleMap->At(curr));
+ particle=dynamic_cast<TParticle*>(fParticleMap.At(curr));
// If the particle is flagged the three from here upward is saved already
if(particle->TestBit(kKeepBit)) return;
// Flags a track to be kept
//
- fParticleMap->At(track)->SetBit(kKeepBit);
+ fParticleMap.At(track)->SetBit(kKeepBit);
}
//_____________________________________________________________________________
-void AliStack::Reset(Int_t size)
+void AliStack::Clean(Int_t size)
{
//
- // Resets stack
+ // Reset stack data except for fTreeK
//
fNtrack=0;
fHgwmk=0;
fLoadPoint=0;
fCurrent = -1;
- fTreeK = 0x0;
ResetArrays(size);
}
+//_____________________________________________________________________________
+void AliStack::Reset(Int_t size)
+{
+ //
+ // Reset stack data including fTreeK
+ //
+
+ Clean(size);
+ delete fParticleBuffer; fParticleBuffer = 0;
+ fTreeK = 0x0;
+}
+
//_____________________________________________________________________________
void AliStack::ResetArrays(Int_t size)
{
//
// Resets stack arrays
//
-
- if (fParticles)
- fParticles->Clear();
- else
- fParticles = new TClonesArray("TParticle",1000);
- if (fParticleMap) {
- fParticleMap->Clear();
- if (size>0) fParticleMap->Expand(size);}
- else
- fParticleMap = new TObjArray(size);
+ fParticles.Clear();
+ fParticleMap.Clear();
+ if (size>0) fParticleMap.Expand(size);
}
//_____________________________________________________________________________
//
// Return particle with specified ID
- if(!fParticleMap->At(i)) {
- Int_t nentries = fParticles->GetEntriesFast();
+ if(!fParticleMap.At(i)) {
+ Int_t nentries = fParticles.GetEntriesFast();
// algorithmic way of getting entry index
// (primary particles are filled after secondaries)
Int_t entry = TreeKEntry(i);
// Load particle at entry into fParticleBuffer
TreeK()->GetEntry(entry);
// Add to the TClonesarray
- new ((*fParticles)[nentries]) TParticle(*fParticleBuffer);
+ new (fParticles[nentries]) TParticle(*fParticleBuffer);
// Store a pointer in the TObjArray
- fParticleMap->AddAt((*fParticles)[nentries],i);
+ fParticleMap.AddAt(fParticles[nentries],i);
}
- return dynamic_cast<TParticle*>(fParticleMap->At(i));
+ return dynamic_cast<TParticle*>(fParticleMap.At(i));
}
//_____________________________________________________________________________
// Return number of the parent of the current track
//
- TParticle* current = (TParticle*)fParticleMap->At(fCurrent);
+ TParticle* current = (TParticle*)fParticleMap.At(fCurrent);
if (current)
return current->GetFirstMother();
//
// Dumps particle i in the stack
//
- dynamic_cast<TParticle*>(fParticleMap->At(i))->Print();
+ dynamic_cast<TParticle*>(fParticleMap.At(i))->Print();
}
//_____________________________________________________________________________
// that are loaded in memory.
//
- TObjArray &particles = *fParticleMap;
printf(
"\n\n=======================================================================\n");
for (Int_t i=0;i<fNtrack;i++)
{
- TParticle* particle = dynamic_cast<TParticle*>(particles[i]);
+ TParticle* particle = dynamic_cast<TParticle*>(fParticleMap[i]);
if (particle) {
printf("-> %d ",i); particle->Print();
printf("--------------------------------------------------------------\n");
// Set parent/daughter relations
//
- TObjArray &particles = *fParticleMap;
TParticle *part;
int i;
for(i=0; i<fHgwmk+1; i++) {
- part = dynamic_cast<TParticle*>(particles.At(i));
+ part = dynamic_cast<TParticle*>(fParticleMap.At(i));
if(part) if(!part->TestBit(kDaughtersBit)) {
part->SetFirstDaughter(-1);
part->SetLastDaughter(-1);
// search secondaries
//for(Int_t i=fNtrack-1; i>=0; i--) {
for(Int_t i=fNtrack-1; i>fHgwmk; i--) {
- particle = dynamic_cast<TParticle*>(fParticleMap->At(i));
+ particle = dynamic_cast<TParticle*>(fParticleMap.At(i));
if ((particle) && (!particle->TestBit(kDoneBit))) {
fCurrent=i;
return particle;
// take next primary if all secondaries were done
while (fCurrentPrimary>=0) {
fCurrent = fCurrentPrimary;
- particle = dynamic_cast<TParticle*>(fParticleMap->At(fCurrentPrimary--));
+ particle = dynamic_cast<TParticle*>(fParticleMap.At(fCurrentPrimary--));
if ((particle) && (!particle->TestBit(kDoneBit))) {
return particle;
}
//
// Creates branch for writing particles
//
-
+
fTreeK = tree;
AliDebug(1, "Connecting TreeK");
else
AliWarning("Branch Dir is NOT SET");
}
-//__________________________________________________________________________________________
-
-void AliStack::BeginEvent()
-{
-// start a new event
- Reset();
-}
-
-//_____________________________________________________________________________
-void AliStack::FinishRun()
-{
-// Clean TreeK information
-}
//_____________________________________________________________________________
Bool_t AliStack::GetEvent()
Bool_t AliStack::IsStable(Int_t pdg) const
{
-//
-// Decide whether particle (pdg) is stable
-//
+ //
+ // Decide whether particle (pdg) is stable
+ //
+
+
+ // All ions/nucleons are considered as stable
+ // Nuclear code is 10LZZZAAAI
+ if(pdg>1000000000)return kTRUE;
- const Int_t kNstable = 14;
- Int_t i;
-
- Int_t pdgStable[kNstable] = {
- kGamma, // Photon
- kElectron, // Electron
- kMuonPlus, // Muon
- kPiPlus, // Pion
- kKPlus, // Kaon
- kProton, // Proton
- kNeutron, // Neutron
- kLambda0, // Lambda_0
- kSigmaMinus, // Sigma Minus
- kSigma0, // Sigma_0
- kSigmaPlus, // Sigma Plus
- 3312, // Xsi Minus
- 3322, // Xsi
- 3334, // Omega
- };
+ const Int_t kNstable = 15;
+ Int_t i;
+
+ Int_t pdgStable[kNstable] = {
+ kGamma, // Photon
+ kElectron, // Electron
+ kMuonPlus, // Muon
+ kPiPlus, // Pion
+ kKPlus, // Kaon
+ kK0Short, // K0s
+ kK0Long, // K0l
+ kProton, // Proton
+ kNeutron, // Neutron
+ kLambda0, // Lambda_0
+ kSigmaMinus, // Sigma Minus
+ kSigmaPlus, // Sigma Plus
+ 3312, // Xsi Minus
+ 3322, // Xsi
+ 3334, // Omega
+ };
- Bool_t isStable = kFALSE;
- for (i = 0; i < kNstable; i++) {
- if (pdg == TMath::Abs(pdgStable[i])) {
- isStable = kTRUE;
- break;
- }
+ Bool_t isStable = kFALSE;
+ for (i = 0; i < kNstable; i++) {
+ if (pdg == TMath::Abs(pdgStable[i])) {
+ isStable = kTRUE;
+ break;
}
-
- return isStable;
+ }
+
+ return isStable;
}
Bool_t AliStack::IsPhysicalPrimary(Int_t index)
//
// Initial state particle
- if (ist > 20) return kFALSE;
+ if (ist > 1) return kFALSE;
Int_t pdg = TMath::Abs(p->GetPdgCode());
//
// Particle produced during transport
//
-// Check if this is a heavy flavor decay product
+
Int_t imo = p->GetFirstMother();
TParticle* pm = Particle(imo);
Int_t mpdg = TMath::Abs(pm->GetPdgCode());
+// Check if it comes from a pi0 decay
+//
+// What about the pi0 Dalitz ??
+// if ((mpdg == kPi0) && (imo < GetNprimary())) return kTRUE;
+
+// Check if this is a heavy flavor decay product
Int_t mfl = Int_t (mpdg / TMath::Power(10, Int_t(TMath::Log10(mpdg))));
//
// Light hadron
// To be sure that heavy flavor has not been produced in a secondary interaction
// Loop back to the generated mother
while (imo >= GetNprimary()) {
- imo = p->GetFirstMother();
+ imo = pm->GetFirstMother();
pm = Particle(imo);
}
mpdg = TMath::Abs(pm->GetPdgCode());
}
} // produced by generator ?
}
-
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff