-/**************************************************************************
- * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+/**************************************************************************
+ * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved *
* *
* Author: The ALICE Off-line Project. *
* Contributors are mentioned in the code where appropriate. *
#include "AliMCEventHandler.h"
+#include "AliMCEvent.h"
+#include "AliMCParticle.h"
+#include "AliPDG.h"
#include "AliTrackReference.h"
#include "AliHeader.h"
#include "AliStack.h"
#include <TTree.h>
#include <TFile.h>
+#include <TList.h>
#include <TParticle.h>
+#include <TString.h>
#include <TClonesArray.h>
#include <TDirectoryFile.h>
-#include <TArrow.h>
-#include <TMarker.h>
-#include <TH2F.h>
-
ClassImp(AliMCEventHandler)
AliMCEventHandler::AliMCEventHandler() :
AliVEventHandler(),
+ fMCEvent(new AliMCEvent()),
fFileE(0),
fFileK(0),
fFileTR(0),
- fTmpFileTR(0),
fTreeE(0),
fTreeK(0),
fTreeTR(0),
- fTmpTreeTR(0),
- fStack(0),
- fHeader(0),
- fTrackReferences(0),
+ fDirK(0),
+ fDirTR(0),
+ fParticleSelected(0),
+ fLabelMap(0),
fNEvent(-1),
fEvent(-1),
- fNprimaries(-1),
- fNparticles(-1),
- fPathName("./"),
+ fPathName(new TString("./")),
fExtension(""),
fFileNumber(0),
- fEventsPerFile(0)
+ fEventsPerFile(0),
+ fReadTR(kTRUE),
+ fInitOk(kFALSE),
+ fSubsidiaryHandlers(0),
+ fEventsInContainer(0),
+ fPreReadMode(kNoPreRead)
{
- // Default constructor
+ //
+ // Default constructor
+ //
+ // Be sure to add all particles to the PDG database
+ AliPDG::AddParticlesToPdgDataBase();
}
AliMCEventHandler::AliMCEventHandler(const char* name, const char* title) :
AliVEventHandler(name, title),
+ fMCEvent(new AliMCEvent()),
fFileE(0),
fFileK(0),
fFileTR(0),
- fTmpFileTR(0),
fTreeE(0),
fTreeK(0),
fTreeTR(0),
- fTmpTreeTR(0),
- fStack(0),
- fHeader(new AliHeader()),
- fTrackReferences(new TClonesArray("AliTrackReference", 200)),
+ fDirK(0),
+ fDirTR(0),
+ fParticleSelected(0),
+ fLabelMap(0),
fNEvent(-1),
fEvent(-1),
- fNprimaries(-1),
- fNparticles(-1),
- fPathName("./"),
+ fPathName(new TString("./")),
fExtension(""),
fFileNumber(0),
- fEventsPerFile(0)
+ fEventsPerFile(0),
+ fReadTR(kTRUE),
+ fInitOk(kFALSE),
+ fSubsidiaryHandlers(0),
+ fEventsInContainer(0),
+ fPreReadMode(kNoPreRead)
{
- // Constructor
+ //
+ // Constructor
+ //
+ // Be sure to add all particles to the PDG database
+ AliPDG::AddParticlesToPdgDataBase();
}
AliMCEventHandler::~AliMCEventHandler()
{
// Destructor
+ delete fPathName;
+ delete fMCEvent;
delete fFileE;
delete fFileK;
delete fFileTR;
}
-Bool_t AliMCEventHandler::InitIO(Option_t* /*opt*/)
+Bool_t AliMCEventHandler::Init(Option_t* opt)
{
// Initialize input
//
- fFileE = TFile::Open(Form("%sgalice.root", fPathName));
- if (!fFileE) AliFatal(Form("AliMCEventHandler:galice.root not found in directory %s ! \n", fPathName));
-
+ if (!(strcmp(opt, "proof")) || !(strcmp(opt, "local"))) return kTRUE;
+ //
+ fFileE = TFile::Open(Form("%sgalice.root", fPathName->Data()));
+ if (!fFileE) {
+ AliError(Form("AliMCEventHandler:galice.root not found in directory %s ! \n", fPathName->Data()));
+ fInitOk = kFALSE;
+ return kFALSE;
+ }
+
+ //
+ // Tree E
fFileE->GetObject("TE", fTreeE);
- fTreeE->SetBranchAddress("Header", &fHeader);
+ // Connect Tree E to the MCEvent
+ fMCEvent->ConnectTreeE(fTreeE);
fNEvent = fTreeE->GetEntries();
//
// Tree K
- fFileK = TFile::Open(Form("%sKinematics%s.root", fPathName, fExtension));
- if (!fFileK) AliFatal(Form("AliMCEventHandler:Kinematics.root not found in directory %s ! \n", fPathName));
+ fFileK = TFile::Open(Form("%sKinematics%s.root", fPathName->Data(), fExtension));
+ if (!fFileK) {
+ AliError(Form("AliMCEventHandler:Kinematics.root not found in directory %s ! \n", fPathName->Data()));
+ fInitOk = kFALSE;
+ return kTRUE;
+ }
+
fEventsPerFile = fFileK->GetNkeys() - fFileK->GetNProcessIDs();
//
// Tree TR
- fFileTR = TFile::Open(Form("%sTrackRefs%s.root", fPathName, fExtension));
- if (!fFileTR) AliWarning(Form("AliMCEventHandler:TrackRefs.root not found in directory %s ! \n", fPathName));
+ if (fReadTR) {
+ fFileTR = TFile::Open(Form("%sTrackRefs%s.root", fPathName->Data(), fExtension));
+ if (!fFileTR) {
+ AliError(Form("AliMCEventHandler:TrackRefs.root not found in directory %s ! \n", fPathName->Data()));
+ fInitOk = kFALSE;
+ return kTRUE;
+ }
+ }
//
// Reset the event number
fEvent = -1;
fFileNumber = 0;
-
- AliInfo(Form("AliMCEventHandler:Number of events in this directory %5d \n", fNEvent));
+ AliInfo(Form("Number of events in this directory %5d \n", fNEvent));
+ fInitOk = kTRUE;
+
+
+ if (fSubsidiaryHandlers) {
+ TIter next(fSubsidiaryHandlers);
+ AliMCEventHandler *handler;
+ while((handler = (AliMCEventHandler*)next())) {
+ handler->Init(opt);
+ handler->SetNumberOfEventsInContainer(fNEvent);
+ }
+ }
+
return kTRUE;
-
}
Bool_t AliMCEventHandler::GetEvent(Int_t iev)
// Load the event number iev
//
// Calculate the file number
- Int_t inew = iev/fEventsPerFile;
- if (inew != fFileNumber) {
- fFileNumber = inew;
- if (!OpenFile(fFileNumber)){
- return kFALSE;
- }
- }
- // Folder name
- char folder[20];
- sprintf(folder, "Event%d", iev);
-
- // TreeE
- fTreeE->GetEntry(iev);
- fStack = fHeader->Stack();
- // Tree K
- TDirectoryFile* dirK = 0;
- fFileK->GetObject(folder, dirK);
- if (!dirK) {
- AliWarning(Form("AliMCEventHandler: Event #%5d not found\n", iev));
- return kFALSE;
- }
- dirK->GetObject("TreeK", fTreeK);
- fStack->ConnectTree(fTreeK);
- fStack->GetEvent();
+ if (!fInitOk) return kFALSE;
- //Tree TR
-
- if (fFileTR) {
- TDirectoryFile* dirTR = 0;
- fFileTR->GetObject(folder, dirTR);
- dirTR->GetObject("TreeTR", fTreeTR);
- if (fTreeTR->GetBranch("AliRun")) {
- // This is an old format with one branch per detector not in synch with TreeK
- ReorderAndExpandTreeTR();
- delete dirTR;
- } else {
- // New format
- fTreeTR->SetBranchAddress("TrackReferences", &fTrackReferences);
- }
+ Int_t inew = iev / fEventsPerFile;
+ if (inew != fFileNumber) {
+ fFileNumber = inew;
+ if (!OpenFile(fFileNumber)){
+ return kFALSE;
}
-
- //
- fNparticles = fStack->GetNtrack();
- fNprimaries = fStack->GetNprimary();
- AliInfo(Form("AliMCEventHandler: Event#: %5d Number of particles: %5d (all) %5d (primaries)\n",
- fEvent, fNparticles, fNprimaries));
+ }
+ // Folder name
+ char folder[20];
+ snprintf(folder, 20, "Event%d", iev);
+ // TreeE
+ fTreeE->GetEntry(iev);
+ // Tree K
+ fFileK->GetObject(folder, fDirK);
+ if (!fDirK) {
+ AliWarning(Form("AliMCEventHandler: Event #%5d - Cannot get kinematics\n", iev));
+ return kFALSE;
+ }
- return kTRUE;
+ fDirK ->GetObject("TreeK", fTreeK);
+ if (!fTreeK) {
+ AliError(Form("AliMCEventHandler: Event #%5d - Cannot get TreeK\n",iev));
+ return kFALSE;
+ }
+ // Connect TreeK to MCEvent
+ fMCEvent->ConnectTreeK(fTreeK);
+ //Tree TR
+ if (fFileTR) {
+ // Check which format has been read
+ fFileTR->GetObject(folder, fDirTR);
+ if (!fDirTR) {
+ AliError(Form("AliMCEventHandler: Event #%5d - Cannot get track references\n",iev));
+ return kFALSE;
+ }
+
+ fDirTR->GetObject("TreeTR", fTreeTR);
+ //
+ if (!fTreeTR) {
+ AliError(Form("AliMCEventHandler: Event #%5d - Cannot get TreeTR\n",iev));
+ return kFALSE;
+ }
+ // Connect TR to MCEvent
+ fMCEvent->ConnectTreeTR(fTreeTR);
+ }
+
+ //
+ return kTRUE;
}
Bool_t AliMCEventHandler::OpenFile(Int_t i)
{
// Open file i
- Bool_t ok = kTRUE;
if (i > 0) {
fExtension = Form("%d", i);
} else {
delete fFileK;
- fFileK = TFile::Open(Form("%sKinematics%s.root", fPathName, fExtension));
+ fFileK = TFile::Open(Form("%sKinematics%s.root", fPathName->Data(), fExtension));
if (!fFileK) {
- AliFatal(Form("AliMCEventHandler:Kinematics%s.root not found in directory %s ! \n", fExtension, fPathName));
- ok = kFALSE;
+ AliError(Form("AliMCEventHandler:Kinematics%s.root not found in directory %s ! \n", fExtension, fPathName->Data()));
+ fInitOk = kFALSE;
+ return kFALSE;
}
- delete fFileTR;
- fFileTR = TFile::Open(Form("%sTrackRefs%s.root", fPathName, fExtension));
- if (!fFileTR) {
- AliWarning(Form("AliMCEventHandler:TrackRefs%s.root not found in directory %s ! \n", fExtension, fPathName));
- ok = kFALSE;
+ if (fReadTR) {
+ delete fFileTR;
+ fFileTR = TFile::Open(Form("%sTrackRefs%s.root", fPathName->Data(), fExtension));
+ if (!fFileTR) {
+ AliWarning(Form("AliMCEventHandler:TrackRefs%s.root not found in directory %s ! \n", fExtension, fPathName->Data()));
+ fInitOk = kFALSE;
+ return kFALSE;
+ }
}
- return ok;
+ fInitOk = kTRUE;
+
+ return kTRUE;
}
-Bool_t AliMCEventHandler::BeginEvent()
+Bool_t AliMCEventHandler::BeginEvent(Long64_t entry)
{
+ // Begin event
+ fParticleSelected.Delete();
+ fLabelMap.Delete();
// Read the next event
- fEvent++;
- if (fEvent >= fNEvent) {
- AliWarning(Form("AliMCEventHandler: Event number out of range %5d\n", fEvent));
+
+ if (fEventsInContainer != 0) {
+ entry = (Long64_t) ( entry * Float_t(fNEvent) / Float_t (fEventsInContainer));
+ }
+
+
+ if (entry == -1) {
+ fEvent++;
+ entry = fEvent;
+ } else {
+ fEvent = entry;
+ }
+
+ if (entry >= fNEvent) {
+ AliWarning(Form("AliMCEventHandler: Event number out of range %5lld %5d\n", entry, fNEvent));
return kFALSE;
}
- return GetEvent(fEvent);
+
+ Bool_t result = GetEvent(entry);
+
+ if (fSubsidiaryHandlers) {
+ TIter next(fSubsidiaryHandlers);
+ AliMCEventHandler *handler;
+ while((handler = (AliMCEventHandler*)next())) {
+ handler->BeginEvent(entry);
+ }
+ next.Reset();
+ while((handler = (AliMCEventHandler*)next())) {
+ fMCEvent->AddSubsidiaryEvent(handler->MCEvent());
+ }
+ fMCEvent->InitEvent();
+ }
+
+ if (fPreReadMode == kLmPreRead) {
+ fMCEvent->PreReadAll();
+ }
+
+ return result;
+
+}
+
+void AliMCEventHandler::SelectParticle(Int_t i){
+ // taking the absolute values here, need to take care
+ // of negative daughter and mother
+ // IDs when setting!
+ if (TMath::Abs(i) >= AliMCEvent::BgLabelOffset()) i = fMCEvent->BgLabelToIndex(TMath::Abs(i));
+ if(!IsParticleSelected(TMath::Abs(i)))fParticleSelected.Add(TMath::Abs(i),1);
+}
+
+Bool_t AliMCEventHandler::IsParticleSelected(Int_t i) {
+ // taking the absolute values here, need to take
+ // care with negative daughter and mother
+ // IDs when setting!
+ return (fParticleSelected.GetValue(TMath::Abs(i))==1);
+}
+
+
+void AliMCEventHandler::CreateLabelMap(){
+
+ //
+ // this should be called once all selections where done
+ //
+
+ fLabelMap.Delete();
+ if(!fMCEvent){
+ fParticleSelected.Delete();
+ return;
+ }
+
+ VerifySelectedParticles();
+
+ Int_t iNew = 0;
+ for(int i = 0;i < fMCEvent->GetNumberOfTracks();++i){
+ if(IsParticleSelected(i)){
+ fLabelMap.Add(i,iNew);
+ iNew++;
+ }
+ }
+}
+
+Int_t AliMCEventHandler::GetNewLabel(Int_t i) {
+ // Gets the label from the new created Map
+ // Call CreatLabelMap before
+ // otherwise only 0 returned
+ return fLabelMap.GetValue(TMath::Abs(i));
+}
+
+void AliMCEventHandler::VerifySelectedParticles(){
+
+ //
+ // Make sure that each particle has at least it's predecessors
+ // selected so that we have the complete ancestry tree
+ // Private, should be only called by CreateLabelMap
+
+ if(!fMCEvent){
+ fParticleSelected.Delete();
+ return;
+ }
+
+ Int_t nprim = fMCEvent->GetNumberOfPrimaries();
+
+ for(int i = 0;i < fMCEvent->GetNumberOfTracks(); ++i){
+ if(i < nprim){
+ SelectParticle(i);// take all primaries
+ continue;
+ }
+
+ if(!IsParticleSelected(i))continue;
+
+ AliMCParticle* mcpart = (AliMCParticle*) fMCEvent->GetTrack(i);
+ Int_t imo = mcpart->GetMother();
+ while((imo >= nprim)&&!IsParticleSelected(imo)){
+ // Mother not yet selected
+ SelectParticle(imo);
+ mcpart = (AliMCParticle*) fMCEvent->GetTrack(imo);
+ imo = mcpart->GetMother();
+ }
+ // after last step we may have an unselected primary
+ // mother
+ if(imo>=0){
+ if(!IsParticleSelected(imo))
+ SelectParticle(imo);
+ }
+ }// loop over all tracks
}
Int_t AliMCEventHandler::GetParticleAndTR(Int_t i, TParticle*& particle, TClonesArray*& trefs)
{
// Retrieve entry i
- if (i < 0 || i >= fNparticles) {
- AliWarning(Form("AliMCEventHandler::GetEntry: Index out of range"));
- particle = 0;
- trefs = 0;
- return (-1);
- }
- particle = fStack->Particle(i);
- if (fFileTR) {
- fTreeTR->GetEntry(fStack->TreeKEntry(i));
- trefs = fTrackReferences;
- return trefs->GetEntries();
+ if (!fInitOk) {
+ return 0;
} else {
- trefs = 0;
- return -1;
+ return (fMCEvent->GetParticleAndTR(i, particle, trefs));
}
}
void AliMCEventHandler::DrawCheck(Int_t i, Int_t search)
{
// Retrieve entry i and draw momentum vector and hits
- if (!fFileTR) {
- AliWarning("No Track Reference information available");
- return;
- }
-
- if (i > -1 && i < fNparticles) {
- fTreeTR->GetEntry(fStack->TreeKEntry(i));
- } else {
- AliWarning("AliMCEventHandler::GetEntry: Index out of range");
- }
-
- Int_t nh = fTrackReferences->GetEntries();
-
-
- if (search) {
- while(nh <= search && i < fNparticles - 1) {
- i++;
- fTreeTR->GetEntry(fStack->TreeKEntry(i));
- nh = fTrackReferences->GetEntries();
- }
- printf("Found Hits at %5d\n", i);
- }
- TParticle* particle = fStack->Particle(i);
-
- TH2F* h = new TH2F("", "", 100, -500, 500, 100, -500, 500);
- Float_t x0 = particle->Vx();
- Float_t y0 = particle->Vy();
-
- Float_t x1 = particle->Vx() + particle->Px() * 50.;
- Float_t y1 = particle->Vy() + particle->Py() * 50.;
-
- TArrow* a = new TArrow(x0, y0, x1, y1, 0.01);
- h->Draw();
- a->SetLineColor(2);
-
- a->Draw();
-
- for (Int_t ih = 0; ih < nh; ih++) {
- AliTrackReference* ref = (AliTrackReference*) fTrackReferences->At(ih);
- TMarker* m = new TMarker(ref->X(), ref->Y(), 20);
- m->Draw();
- m->SetMarkerSize(0.4);
-
- }
+ fMCEvent->DrawCheck(i, search);
}
Bool_t AliMCEventHandler::Notify(const char *path)
{
- // Notify about directory change
- // The directory is taken from the 'path' argument
- // Reconnect trees
+ // Notify about directory change
+ // The directory is taken from the 'path' argument
+ // Reconnect trees
+ TString fileName(path);
+ if(fileName.Contains("AliESDs.root")){
+ fileName.ReplaceAll("AliESDs.root", "");
+ }
+ else if(fileName.Contains("AliAOD.root")){
+ fileName.ReplaceAll("AliAOD.root", "");
+ }
+ else if(fileName.Contains("galice.root")){
+ // for running with galice and kinematics alone...
+ fileName.ReplaceAll("galice.root", "");
+ }
+ else if (fileName.BeginsWith("root:")) {
+ fileName.Append("?ZIP=");
+ }
- printf("AliMCEventHandler::Notify() file: %s\n", path);
- fPathName = Form("%s", path);
+ *fPathName = fileName;
+ AliInfo(Form("Path: -%s-\n", fPathName->Data()));
+
ResetIO();
InitIO("");
+
+// Handle subsidiary handlers
+ if (fSubsidiaryHandlers) {
+ TIter next(fSubsidiaryHandlers);
+ AliMCEventHandler *handler;
+ while((handler = (AliMCEventHandler*) next())) {
+ TString* spath = handler->GetInputPath();
+ if (spath->Contains("merged")) {
+ if (! fPathName->IsNull()) {
+ handler->Notify(Form("%s/../.", fPathName->Data()));
+ } else {
+ handler->Notify("../");
+ }
+ }
+ }
+ }
+
return kTRUE;
}
-
+
void AliMCEventHandler::ResetIO()
{
- // Reset files
- if (fFileE) delete fFileE;
- if (fFileK) delete fFileK;
- if (fFileTR) delete fFileTR;
+// Clear header and stack
+
+ if (fInitOk) fMCEvent->Clean();
+
+// Delete Tree E
+ delete fTreeE; fTreeE = 0;
+
+// Reset files
+ if (fFileE) {delete fFileE; fFileE = 0;}
+ if (fFileK) {delete fFileK; fFileK = 0;}
+ if (fFileTR) {delete fFileTR; fFileTR = 0;}
+ fExtension="";
+ fInitOk = kFALSE;
+
+ if (fSubsidiaryHandlers) {
+ TIter next(fSubsidiaryHandlers);
+ AliMCEventHandler *handler;
+ while((handler = (AliMCEventHandler*)next())) {
+ handler->ResetIO();
+ }
+ }
+
}
Bool_t AliMCEventHandler::FinishEvent()
{
- // Reset the stack
- Stack()->Reset();
-
+ // Clean-up after each event
+ delete fDirTR; fDirTR = 0;
+ delete fDirK; fDirK = 0;
+ if (fInitOk) fMCEvent->FinishEvent();
+
+ if (fSubsidiaryHandlers) {
+ TIter next(fSubsidiaryHandlers);
+ AliMCEventHandler *handler;
+ while((handler = (AliMCEventHandler*)next())) {
+ handler->FinishEvent();
+ }
+ }
+
return kTRUE;
}
return kTRUE;
}
-void AliMCEventHandler::ReorderAndExpandTreeTR()
-{
-//
-// Reorder and expand the track reference tree in order to match the kinematics tree.
-// Copy the information from different branches into one
-//
-// TreeTR
- if (fTmpTreeTR) {
- fTmpTreeTR->Delete("all");
- }
-
- if (fTmpFileTR) {
- fTmpFileTR->Close();
- delete fTmpFileTR;
- }
- fTmpFileTR = new TFile("TrackRefsTmp.root", "recreate");
- fTmpTreeTR = new TTree("TreeTR", "Track References");
- if (!fTrackReferences) fTrackReferences = new TClonesArray("AliTrackReference", 100);
- fTmpTreeTR->Branch("TrackReferences", "TClonesArray", &fTrackReferences, 4000);
-
-//
- fTreeTR->SetBranchStatus("*", 0);
- fTreeTR->SetBranchStatus("AliRun", 1);
- fTreeTR->SetBranchStatus("ITS", 1);
- fTreeTR->SetBranchStatus("TPC", 1);
- fTreeTR->SetBranchStatus("TRD", 1);
- fTreeTR->SetBranchStatus("TOF", 1);
- fTreeTR->SetBranchStatus("FRAME", 1);
- fTreeTR->SetBranchStatus("MUON", 1);
-
- TClonesArray* trefs[7];
- for (Int_t i = 0; i < 7; i++) trefs[i] = 0;
- if (fTreeTR){
- // make branch for central track references
- if (fTreeTR->GetBranch("AliRun")) fTreeTR->SetBranchAddress("AliRun", &trefs[0]);
- if (fTreeTR->GetBranch("ITS")) fTreeTR->SetBranchAddress("ITS", &trefs[1]);
- if (fTreeTR->GetBranch("TPC")) fTreeTR->SetBranchAddress("TPC", &trefs[2]);
- if (fTreeTR->GetBranch("TRD")) fTreeTR->SetBranchAddress("TRD", &trefs[3]);
- if (fTreeTR->GetBranch("TOF")) fTreeTR->SetBranchAddress("TOF", &trefs[4]);
- if (fTreeTR->GetBranch("FRAME")) fTreeTR->SetBranchAddress("FRAME", &trefs[5]);
- if (fTreeTR->GetBranch("MUON")) fTreeTR->SetBranchAddress("MUON", &trefs[6]);
- }
+void AliMCEventHandler::SetInputPath(const char* fname)
+{
+ // Set the input path name
+ delete fPathName;
+ fPathName = new TString(fname);
+}
- Int_t np = fStack->GetNprimary();
- Int_t nt = fTreeTR->GetEntries();
- //
- // Loop over tracks and find the secondaries with the help of the kine tree
- Int_t ifills = 0;
- Int_t it = 0;
- Int_t itlast = 0;
-
- for (Int_t ip = np - 1; ip > -1; ip--) {
- TParticle *part = fStack->Particle(ip);
-// printf("Particle %5d %5d %5d %5d %5d %5d \n",
-// ip, part->GetPdgCode(), part->GetFirstMother(), part->GetFirstDaughter(),
-// part->GetLastDaughter(), part->TestBit(kTransportBit));
-
- // Determine range of secondaries produced by this primary during transport
- Int_t dau1 = part->GetFirstDaughter();
- if (dau1 < np) continue; // This particle has no secondaries produced during transport
- Int_t dau2 = -1;
- if (dau1 > -1) {
- Int_t inext = ip - 1;
- while (dau2 < 0) {
- if (inext >= 0) {
- part = fStack->Particle(inext);
- dau2 = part->GetFirstDaughter();
- if (dau2 == -1 || dau2 < np) {
- dau2 = -1;
- } else {
- dau2--;
- }
- } else {
- dau2 = fStack->GetNtrack() - 1;
- }
- inext--;
- } // find upper bound
- } // dau2 < 0
-
-
-// printf("Check (1) %5d %5d %5d %5d %5d \n", ip, np, it, dau1, dau2);
-//
-// Loop over reference hits and find secondary label
-// First the tricky part: find the entry in treeTR than contains the hits or
-// make sure that no hits exist.
-//
- Bool_t hasHits = kFALSE;
- Bool_t isOutside = kFALSE;
-
- it = itlast;
- while (!hasHits && !isOutside && it < nt) {
- fTreeTR->GetEntry(it++);
- for (Int_t ib = 0; ib < 7; ib++) {
- if (!trefs[ib]) continue;
- Int_t nh = trefs[ib]->GetEntries();
- for (Int_t ih = 0; ih < nh; ih++) {
- AliTrackReference* tr = (AliTrackReference*) trefs[ib]->At(ih);
- Int_t label = tr->Label();
- if (label >= dau1 && label <= dau2) {
- hasHits = kTRUE;
- itlast = it - 1;
- break;
- }
- if (label > dau2 || label < ip) {
- isOutside = kTRUE;
- itlast = it - 1;
- break;
- }
- } // hits
- if (hasHits || isOutside) break;
- } // branches
- } // entries
-
- if (!hasHits) {
- // Write empty entries
- for (Int_t id = dau1; (id <= dau2); id++) {
- fTmpTreeTR->Fill();
- ifills++;
- }
- } else {
- // Collect all hits
- fTreeTR->GetEntry(itlast);
- for (Int_t id = dau1; (id <= dau2) && (dau1 > -1); id++) {
- for (Int_t ib = 0; ib < 7; ib++) {
- if (!trefs[ib]) continue;
- Int_t nh = trefs[ib]->GetEntries();
- for (Int_t ih = 0; ih < nh; ih++) {
- AliTrackReference* tr = (AliTrackReference*) trefs[ib]->At(ih);
- Int_t label = tr->Label();
- // Skip primaries
- if (label == ip) continue;
- if (label > dau2 || label < dau1)
- printf("AliMCEventHandler::Track Reference Label out of range !: %5d %5d %5d %5d \n",
- itlast, label, dau1, dau2);
- if (label == id) {
- // secondary found
- tr->SetDetectorId(ib-1);
- Int_t nref = fTrackReferences->GetEntriesFast();
- TClonesArray &lref = *fTrackReferences;
- new(lref[nref]) AliTrackReference(*tr);
- }
- } // hits
- } // branches
- fTmpTreeTR->Fill();
- fTrackReferences->Clear();
- ifills++;
- } // daughters
- } // has hits
- } // tracks
- //
- // Now loop again and write the primaries
- //
- it = nt - 1;
- for (Int_t ip = 0; ip < np; ip++) {
- Int_t labmax = -1;
- while (labmax < ip && it > -1) {
- fTreeTR->GetEntry(it--);
- for (Int_t ib = 0; ib < 7; ib++) {
- if (!trefs[ib]) continue;
- Int_t nh = trefs[ib]->GetEntries();
- //
- // Loop over reference hits and find primary labels
- for (Int_t ih = 0; ih < nh; ih++) {
- AliTrackReference* tr = (AliTrackReference*) trefs[ib]->At(ih);
- Int_t label = tr->Label();
- if (label < np && label > labmax) {
- labmax = label;
- }
-
- if (label == ip) {
- tr->SetDetectorId(ib-1);
- Int_t nref = fTrackReferences->GetEntriesFast();
- TClonesArray &lref = *fTrackReferences;
- new(lref[nref]) AliTrackReference(*tr);
- }
- } // hits
- } // branches
- } // entries
- it++;
- fTmpTreeTR->Fill();
- fTrackReferences->Clear();
- ifills++;
- } // tracks
- // Check
- delete fTreeTR;
- for (Int_t ib = 0; ib < 7; ib++) {
- if (trefs[ib]) delete trefs[ib];
- }
+void AliMCEventHandler::AddSubsidiaryHandler(AliMCEventHandler* handler)
+{
+ // Add a subsidiary handler. For example for background events
- if (ifills != fStack->GetNtrack())
- printf("AliMCEventHandler:Number of entries in TreeTR (%5d) unequal to TreeK (%5d) \n",
- ifills, fStack->GetNtrack());
- fTreeTR = fTmpTreeTR;
+ if (!fSubsidiaryHandlers) fSubsidiaryHandlers = new TList();
+ fSubsidiaryHandlers->Add(handler);
}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff