#include "AliTracker.h"
#include "AliHeader.h"
#include "AliITSLoader.h"
+#include "AliITSsegmentationSPD.h"
#include "AliVertexerTracks.h"
#include "AliCDBManager.h"
#include "AliGeomManager.h"
+#include "AliGRPManager.h"
#include "AliITSDetTypeRec.h"
#include "AliITSVertexer3D.h"
#include "AliITSVertexerZ.h"
#include "AliESDVertex.h"
+#include "AliESDEvent.h"
#include "AliRun.h"
#include "AliRunLoader.h"
#include "AliGenEventHeader.h"
/* $Id$ */
-Bool_t DoVerticesSPD(Int_t optdebug=1){
+Bool_t DoVerticesSPD(Bool_t isMC=kFALSE, Int_t pileupalgo=1, Int_t optdebug=0){
TFile *fint = new TFile("VertexSPD.root","recreate");
- TNtuple *nt = new TNtuple("ntvert","vertices","xtrue:ytrue:ztrue:zZ:zdiffZ:zerrZ:ntrksZ:x3D:xdiff3D:xerr3D:y3D:ydiff3D:yerr3D:z3D:zdiff3D:zerr3D:ntrks3D:dndy:ntrklets:nrp1:ptyp:is3D");
+ TNtuple *nt = new TNtuple("ntvert","vertices","xtrue:ytrue:ztrue:zZ:zdiffZ:zerrZ:ntrksZ:x3D:xdiff3D:xerr3D:y3D:ydiff3D:yerr3D:z3D:zdiff3D:zerr3D:ntrks3D:nchgen:ntrklets:nrp1:ptyp:is3D:isTriggered");
if (gClassTable->GetID("AliRun") < 0) {
gInterpreter->ExecuteMacro("loadlibs.C");
if (!man->IsDefaultStorageSet()) {
printf("Setting a local default storage and run number 0\n");
man->SetDefaultStorage("local://$ALICE_ROOT/OCDB");
+ // man->SetSpecificStorage("GRP/GRP/Data",Form("local://%s",gSystem->pwd()));
man->SetRun(0);
}
else {
if(!gGeoManager){
AliGeomManager::LoadGeometry("geometry.root");
}
+ AliGeomManager::ApplyAlignObjsFromCDB("ITS");
AliRunLoader* runLoader = AliRunLoader::Open("galice.root");
if (!runLoader) {
"galice.root");
return kFALSE;
}
- runLoader->LoadgAlice();
- gAlice = runLoader->GetAliRun();
- if (!gAlice) {
- Error("DoVertices", "no galice object found");
- return kFALSE;
+
+ if(isMC){
+ runLoader->LoadgAlice();
+ gAlice = runLoader->GetAliRun();
+ if (!gAlice) {
+ Error("DoVertices", "no galice object found");
+ return kFALSE;
+ }
+ runLoader->LoadKinematics();
+ runLoader->LoadHeader();
}
- runLoader->LoadKinematics();
- runLoader->LoadHeader();
AliITSLoader* ITSloader = (AliITSLoader*) runLoader->GetLoader("ITSLoader");
ITSloader->LoadRecPoints("read");
- AliMagF * magf = gAlice->Field();
- AliTracker::SetFieldMap(magf,kTRUE);
- if(optdebug) printf("MagneticField=%f\n",AliTracker::GetBz());
-
Int_t totev=runLoader->GetNumberOfEvents();
if(optdebug) printf("Number of events= %d\n",totev);
+ TFile* esdFile = TFile::Open("AliESDs.root");
+ if (!esdFile || !esdFile->IsOpen()) {
+ printf("Error in opening ESD file");
+ return kFALSE;
+ }
+
+ AliESDEvent * esd = new AliESDEvent;
+ TTree* tree = (TTree*) esdFile->Get("esdTree");
+ if (!tree) {
+ printf("Error: no ESD tree found");
+ return kFALSE;
+ }
+ esd->ReadFromTree(tree);
+ AliGRPManager * grpMan=new AliGRPManager();
+ grpMan->ReadGRPEntry();
+ grpMan->SetMagField();
+ printf("Magnetic field set to %f T\n",AliTracker::GetBz()/10.);
+
AliITSDetTypeRec* detTypeRec = new AliITSDetTypeRec();
-
+ AliITSsegmentation* seg = new AliITSsegmentationSPD();
+ detTypeRec->SetSegmentationModel(0,seg);
+
Double_t xnom=0.,ynom=0.;
AliITSVertexerZ *vertz = new AliITSVertexerZ(xnom,ynom);
vertz->Init("default");
- AliITSVertexer3D *vert3d = new AliITSVertexer3D();
+ AliITSVertexer3D *vert3d = new AliITSVertexer3D();
vert3d->Init("default");
vert3d->SetWideFiducialRegion(40.,1.);
+ vert3d->SetPileupAlgo(pileupalgo);
vert3d->PrintStatus();
vertz->SetDetTypeRec(detTypeRec);
vert3d->SetDetTypeRec(detTypeRec);
-
+ vert3d->SetComputeMultiplicity(kTRUE);
/* uncomment these lines to use diamond constrain */
// Double_t posdiam[3]={0.03,0.1,0.};
// Double_t sigdiam[3]={0.01,0.01,10.0};
/* end lines to be uncommented to use diamond constrain */
Int_t goodz=0,good3d=0;
+ // Trigger mask
+ ULong64_t spdFO = (1 << 14);
+ ULong64_t v0left = (1 << 11);
+ ULong64_t v0right = (1 << 12);
for (Int_t iEvent = 0; iEvent < totev; iEvent++) {
TArrayF mcVertex(3);
runLoader->GetEvent(iEvent);
- runLoader->GetHeader()->GenEventHeader()->PrimaryVertex(mcVertex);
- AliGenPythiaEventHeader *evh=(AliGenPythiaEventHeader*)runLoader->GetHeader()->GenEventHeader();
- Int_t ptype = evh->ProcessType();
+ Double_t nChGen = 0.;
+ Int_t ptype = 0;
if(optdebug){
printf("==============================================================\n");
- printf("\nEvent: %d ---- Process Type = %d \n",iEvent,ptype);
+ printf("Event: %d \n",iEvent);
}
+ if(isMC){
+ runLoader->GetHeader()->GenEventHeader()->PrimaryVertex(mcVertex);
+ AliGenPythiaEventHeader *evh=(AliGenPythiaEventHeader*)runLoader->GetHeader()->GenEventHeader();
+ ptype = evh->ProcessType();
- AliStack* stack = runLoader->Stack();
- TTree *treek=(TTree*)runLoader->TreeK();
- Int_t npart = (Int_t)treek->GetEntries();
- if(optdebug) printf("particles %d\n",npart);
-
- Double_t dNchdy = 0.;
-
- // loop on particles to get generated dN/dy
- for(Int_t iPart=0; iPart<npart; iPart++) {
- if(!stack->IsPhysicalPrimary(iPart)) continue;
- TParticle* part = (TParticle*)stack->Particle(iPart);
- if(part->GetPDG()->Charge() == 0) continue;
- Double_t eta=part->Eta();
-
- if(TMath::Abs(eta)<1.5) dNchdy+=1.;
+ AliStack* stack = runLoader->Stack();
+ TTree *treek=(TTree*)runLoader->TreeK();
+ Int_t npart = (Int_t)treek->GetEntries();
+ if(optdebug) printf("Process Type = %d --- Particles %d\n",ptype,npart);
+
+ // loop on particles to get generated dN/dy
+ for(Int_t iPart=0; iPart<npart; iPart++) {
+ if(!stack->IsPhysicalPrimary(iPart)) continue;
+ TParticle* part = (TParticle*)stack->Particle(iPart);
+ if(part->GetPDG()->Charge() == 0) continue;
+ Double_t eta=part->Eta();
+
+ if(TMath::Abs(eta)<1.5) nChGen+=1.;
+ }
+ if(optdebug) printf(" N. of generated charged primaries in |eta|<1.5 = %f\n",nChGen);
}
- if(optdebug) printf(" dNch/dy = %f\n",dNchdy);
-
- TTree* cltree = ITSloader->TreeR();
+ tree->GetEvent(iEvent);
+ TTree* cltree = ITSloader->TreeR();
+ ULong64_t triggerMask=esd->GetTriggerMask();
+ // MB1: SPDFO || V0L || V0R
+ Bool_t eventTriggered = (triggerMask & spdFO || ((triggerMask & v0left) || (triggerMask & v0right)));
AliESDVertex* vtxz = vertz->FindVertexForCurrentEvent(cltree);
AliESDVertex* vtx3d = vert3d->FindVertexForCurrentEvent(cltree);
AliMultiplicity *alimult = vert3d->GetMultiplicity();
ntrklets=alimult->GetNumberOfTracklets() ;
nrecp1=ntrklets+alimult->GetNumberOfSingleClusters();
}
- TString tit=vtx3d->GetTitle();
- Bool_t is3d=kFALSE;
- if(tit.Contains("3D")) is3d=kTRUE;
-
TDirectory *current = gDirectory;
fint->cd();
- Float_t xnt[22];
+ Float_t xnt[23];
Double_t zz = 0.;
Double_t zresz = 0.;
Double_t zdiff3d = 0.;
Int_t ntrk3d = 0;
+ Bool_t is3d=kFALSE;
if(vtx3d){
+ if(vtx3d->IsFromVertexer3D()) is3d=kTRUE;
ntrk3d = vtx3d->GetNContributors();
if(is3d && ntrk3d>0)good3d++;
x3d = vtx3d->GetXv();
xnt[15]=zerr3d;
xnt[16]=ntrk3d;
- xnt[17]=dNchdy;
+ xnt[17]=nChGen;
xnt[18]=float(ntrklets);
xnt[19]=float(nrecp1);
xnt[20]=float(ptype);
xnt[21]=float(is3d);
+ xnt[22]=float(eventTriggered);
nt->Fill(xnt);
current->cd();
if(optdebug){
- printf("\nVertexerZ: \tz(cm)=%9.5f \tTracklets=%d \tztrue(cm)=%9.5f \tzdiff(um)=%8.2f\n",zz,ntrkz,mcVertex[2],zdiffz);
- printf("Vertexer3D: \tz(cm)=%9.5f \tTracklets=%d \tztrue(cm)=%9.5f \tzdiff(um)=%8.2f\n",z3d,ntrk3d,mcVertex[2],zdiff3d);
+ printf("Vertexer3D: \tx=%.5f \ty=%.5f \tz(cm)=%.5f \tContributors=%d \n",x3d,y3d,z3d,ntrk3d);
+ printf("VertexerZ: \tx=%.5f \ty=%.5f \tz(cm)=%.5f \tContributors=%d \n",0.,0.,zz,ntrkz);
+ if(isMC) printf("True Pos.: \tx=%.5f \ty=%.5f \tz(cm)=%.5f \tdN/dy=%.1f\n",mcVertex[0],mcVertex[1],mcVertex[2],nChGen);
+ printf("Multiplicity: Tracklets=%d ClustersLay1=%d\n",ntrklets,nrecp1);
}
}