/* $Id$ */
-Bool_t DoVerticesSPD(Int_t pileupalgo=1, Int_t optdebug=0){
+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:isTriggered");
+ 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");
"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");
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};
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);
}
-
- 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.;
+ 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("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);
-
tree->GetEvent(iEvent);
TTree* cltree = ITSloader->TreeR();
ntrklets=alimult->GetNumberOfTracklets() ;
nrecp1=ntrklets+alimult->GetNumberOfSingleClusters();
}
-
TDirectory *current = gDirectory;
ntrkz = vtxz->GetNContributors();
if(ntrkz>0)goodz++;
- zz=vtxz->GetZv();
+ zz=vtxz->GetZ();
zresz =vtxz->GetZRes(); // microns
zdiffz = 10000.*(zz-mcVertex[2]); // microns
}
if(vtx3d->IsFromVertexer3D()) is3d=kTRUE;
ntrk3d = vtx3d->GetNContributors();
if(is3d && ntrk3d>0)good3d++;
- x3d = vtx3d->GetXv();
+ x3d = vtx3d->GetX();
xerr3d=vtx3d->GetXRes();
xdiff3d = 10000.*(x3d-mcVertex[0]); // microns
- y3d = vtx3d->GetYv();
+ y3d = vtx3d->GetY();
yerr3d=vtx3d->GetYRes();
ydiff3d = 10000.*(y3d-mcVertex[1]); // microns
- z3d = vtx3d->GetZv();
+ z3d = vtx3d->GetZ();
zerr3d=vtx3d->GetZRes();
zdiff3d = 10000.*(z3d-mcVertex[2]); // microns
xnt[15]=zerr3d;
xnt[16]=ntrk3d;
- xnt[17]=dNchdy;
+ xnt[17]=nChGen;
xnt[18]=float(ntrklets);
xnt[19]=float(nrecp1);
xnt[20]=float(ptype);
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);
}
}