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VertexRank.C
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VertexRank.C
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// Vertex QA
//Amilkar Quintero
// July 2015
// to run > root.exe lMuDst.C 'VertexRank.C+(9999999,"/path/to/files/*MuDst.root")'
// /star/data26/reco/pp500_production_2013/ReversedFullField/P15ic_KFvertex_BL/2013/
#if !defined(__CINT__) || defined(__MAKECINT__)
#include <string>
#include "Riostream.h"
#include "TROOT.h"
#include "TSystem.h"
#include "TH1.h"
#include "TH2.h"
#include "TNtuple.h"
#include "TTree.h"
#include "TChain.h"
#include "TFile.h"
#include "TString.h"
#include "StMuDSTMaker/COMMON/StMuDst.h"
#include "StMuDSTMaker/COMMON/StMuEvent.h"
#include "StMuDSTMaker/COMMON/StMuTrack.h"
#include "StMuDSTMaker/COMMON/StMuPrimaryVertex.h"
#include "StMuDSTMaker/COMMON/StMuMcVertex.h"
class StMuDstMaker;
#define ClassStMessMgr
#define StMessMgr Int_t
#include "StMuDSTMaker/COMMON/StMuDstMaker.h"
#undef StMessMgr
#undef ClassStMessMgr
//StMuDstMaker* maker = 0;
#include "TDatime.h"
#include "TMath.h"
#include "StBTofHeader.h"
#endif
StMuDstMaker* maker = 0;
#include "Ask.h"
//--->START MAIN PROGRAM
//________________________________________________________________________________
void VertexRank(Long64_t nevent = 999999,const char* file="./*.MuDst.root",const char* outFile="outvertex") {
gROOT->cd();
TString OutFile(outFile);
OutFile += ".root";
TFile *fOut = TFile::Open(OutFile,"recreate"); //Create the file to save the data
fOut->cd();
//////////////////////////////////////////////////////->Define the variables
//static Double_t pionM = 0.13956995;
struct primVtxPoint_t{
Int_t event,index,rank,mult,refMult,maxmult;
Float_t primX,primY,primZ,zVpd;
Float_t McX, McY, McZ;
Float_t chi2;
Int_t beam,postx,prompt,cross,tof,notof,EEMC,noEEMC,BEMC,noBEMC;
};
primVtxPoint_t primVtx;
//TNtuple *primaryvtx = new TNtuple("primaryvtx","The Primary Vertices","event:primX:primY:primZ:MultP:refMultP:l:rank:maxmult:zVpd");
TTree *primaryvtx = new TTree("primaryvtx","The Primary Vertices");
primaryvtx->SetAutoSave(1000000);
primaryvtx->Branch("event",&primVtx.event,"event/I");
primaryvtx->Branch("index",&primVtx.index,"index/I");
primaryvtx->Branch("rank",&primVtx.rank,"rank/I");
primaryvtx->Branch("mult",&primVtx.mult,"mult/I");
primaryvtx->Branch("refMult",&primVtx.refMult,"refMult/I");
primaryvtx->Branch("maxmult",&primVtx.maxmult,"maxmult/I");
primaryvtx->Branch("primX",&primVtx.primX,"primX/F");
primaryvtx->Branch("primY",&primVtx.primY,"primY/F");
primaryvtx->Branch("primZ",&primVtx.primZ,"primZ/F");
primaryvtx->Branch("zVpd",&primVtx.zVpd,"zVpd/F");
primaryvtx->Branch("McX",&primVtx.McX,"McX/F");
primaryvtx->Branch("McY",&primVtx.McY,"McY/F");
primaryvtx->Branch("McZ",&primVtx.McZ,"McZ/F");
primaryvtx->Branch("chi2",&primVtx.chi2,"chi2/F");
primaryvtx->Branch("beam",&primVtx.beam,"beam/I");
primaryvtx->Branch("postx",&primVtx.postx,"postx/I");
primaryvtx->Branch("prompt",&primVtx.prompt,"prompt/I");
primaryvtx->Branch("cross",&primVtx.cross,"cross/I");
primaryvtx->Branch("tof",&primVtx.tof,"tof/I");
primaryvtx->Branch("notof",&primVtx.notof,"notof/I");
primaryvtx->Branch("EEMC",&primVtx.EEMC,"EEMC/I");
primaryvtx->Branch("noEEMC",&primVtx.noEEMC,"noEEMC/I");
primaryvtx->Branch("BEMC",&primVtx.BEMC,"BEMC/I");
primaryvtx->Branch("noBEMC",&primVtx.noBEMC,"noBEMC/I");
TH1F *h1 = new TH1F("h1","Rank Max",200,-3,3);
TH1F *h2 = new TH1F("h2","Max Mult",200,-3,3);
///////////////////////////////////////////////////////<-
// ----------------------------------------------
StMuDebug::setLevel(0);
maker = new StMuDstMaker(0,0,"",file,"st:MuDst.root",1e9); // set up maker in read mode
// 0,0 this mean read mode
// dir read all files in this directory
// file bla.lis real all file in this list, if (file!="") dir is ignored
// filter apply filter to filenames, multiple filters are separated by ':'
// 10 maximum number of file to read
maker->SetStatus("*",0);
const Char_t *ActiveBranches[] = {
"MuEvent",
"PrimaryVertices",
//"PrimaryTracks",
//"CovPrimTrack",
//"GlobalTracks",
"BTofHit",
"BTofHeader",
"StStMuMcVertex",
"StStMuMcTrack"
};
Int_t Nb = sizeof(ActiveBranches)/sizeof(Char_t *);
for (Int_t i = 0; i < Nb; i++) maker->SetStatus(ActiveBranches[i],1); // Set Active braches
StMuDebug::setLevel(0);
TChain *tree = maker->chain();
Long64_t nentries = tree->GetEntries();
nevent = TMath::Min(nevent,nentries);
cout << nentries << " events in chain " << nevent << " will be read." << endl;
// if (nentries < 100) return;
tree->SetCacheSize(-1); //by setting the read cache to -1 we set it to the AutoFlush value when writing
tree->SetCacheLearnEntries(1); //one entry is sufficient to learn
tree->SetCacheEntryRange(0,nevent);
TDatime now; //Set time in Root
now.Print();
Int_t noreco = 0;
for (Long64_t ev = 0; ev < nevent; ev++) { //START Events
if (maker->Make()) break;
StMuDst* mu = maker->muDst(); // get a pointer to the StMuDst class, the class that points to all the data
StMuEvent* muEvent = mu->event(); // get a pointer to the class holding event-wise information
if (_debugAsk) cout << "Read event #" << ev << "\tRun\t" << muEvent->runId() << "\tId: " << muEvent->eventId() << endl;
TClonesArray *PrimaryVertices = mu->primaryVertices();
Int_t NoPrimaryVertices = PrimaryVertices->GetEntriesFast(); // cout << "\tPrimaryVertices " << NoPrimaryVertices;
//TClonesArray *PrimaryTracks = mu->array(muPrimary);
//Int_t NoPrimaryTracks = PrimaryTracks->GetEntriesFast(); // cout << "\tPrimaryTracks " << NoPrimaryTracks;
//TClonesArray *CovPrimTrack = mu->covPrimTrack(); // cout << "\tCovPrimTrack " << CovPrimTrack->GetEntriesFast();
//TClonesArray *GlobalTracks = mu->array(muGlobal);
//Int_t NoGlobalTracks = GlobalTracks->GetEntriesFast(); // cout << "\tPrimaryTracks " << NoPrimaryTracks;
TClonesArray *MuMcVertices = mu->mcArray(0);
Int_t NoMuMcVertices = MuMcVertices->GetEntriesFast();
///////VPD////////////
Float_t VpdZ =999;
StBTofHeader *BTofHeader = mu->btofHeader();
if (BTofHeader){
VpdZ = BTofHeader->vpdVz();
if (TMath::Abs(VpdZ) < 200) primVtx.zVpd = VpdZ;
} else primVtx.zVpd = 999;
if (_debugAsk) cout << Form("Vpd value: %8.3f",VpdZ) << endl;
/////////////////////
//////Max multiplicity/////////
/////Usually the correct vertex/////
Int_t MaxMult = 0;
for (Int_t l = 0; l < NoPrimaryVertices; l++) {
StMuPrimaryVertex *Vtx = (StMuPrimaryVertex *) PrimaryVertices->UncheckedAt(l);
Float_t Multiplicity = Vtx->noTracks();
if(MaxMult < Multiplicity) { //check if the multiplicity is higher than previous
MaxMult = Multiplicity; //asign the new maximum value
}
}
//////////////////////
////////No reconstructed///////////
if (NoPrimaryVertices == 0){
noreco++;
primVtx.event = ev;
primVtx.zVpd = 999;
primVtx.mult = 999;
primVtx.refMult = 999;
primVtx.primX = 999;
primVtx.primY = 999;
primVtx.primZ = 999;
primVtx.index = 999;
primVtx.rank = 999;
primVtx.maxmult = 999;
//primaryvtx->Fill(); /Do not save non reconstructed vertices
if (_debugAsk) cout << "No reconstructed vertex" << endl;
}
////////////////////////////////
for (Int_t l = 0; l < NoPrimaryVertices; l++) { //START Vertices
StMuPrimaryVertex *Vtx = (StMuPrimaryVertex *) PrimaryVertices->UncheckedAt(l);
primVtx.event = ev;
primVtx.mult = Vtx->noTracks();
primVtx.refMult = Vtx->refMult();
primVtx.primX = Vtx->position().x();
primVtx.primY = Vtx->position().y();
primVtx.primZ = Vtx->position().z();
primVtx.index = l;
primVtx.rank = Vtx->ranking();
//////Mc info/////////
primVtx.McX = 999;
primVtx.McY = 999;
primVtx.McZ = 999;
Int_t idd = Vtx->idTruth();
StMuMcVertex *mcVertex = 0;
if (idd > 0 && idd < NoMuMcVertices) mcVertex = (StMuMcVertex *) MuMcVertices->UncheckedAt(idd-1);
if (mcVertex) {
primVtx.McX = mcVertex->XyzV().x();
primVtx.McY = mcVertex->XyzV().y();
primVtx.McZ = mcVertex->XyzV().z();
}
//////////////////////
primVtx.beam = Vtx->isBeamConstrained() ? 1 : 0;
primVtx.postx = Vtx->nPostXtracks();
primVtx.prompt = Vtx->nPromptTracks();
primVtx.cross = Vtx->nCrossCentralMembrane();
primVtx.tof = (Vtx->nCTBMatch() + Vtx->nBTOFMatch());
primVtx.notof = (Vtx->nCTBNotMatch() + Vtx->nBTOFNotMatch());
primVtx.BEMC = Vtx->nBEMCMatch();
primVtx.noBEMC = Vtx->nBEMCNotMatch();
primVtx.EEMC = Vtx->nEEMCMatch();
primVtx.noEEMC = Vtx->nEEMCNotMatch();
primVtx.chi2 = Vtx->chiSquared();
if (l==0 && abs(primVtx.primZ-VpdZ)<3) h1->Fill(primVtx.primZ-VpdZ);
if(MaxMult==primVtx.mult) {primVtx.maxmult = 1; if (abs(primVtx.primZ-VpdZ)<3) h2->Fill(primVtx.primZ-VpdZ);}
else primVtx.maxmult = 0;
primaryvtx->Fill();
if (_debugAsk) {
//cout << Form("Vx[%3i]", l) << *Vtx << endl;
cout << Form("[%i]",l) <<Form(" %8.3f %8.3f %8.3f ",Vtx->position().x(),Vtx->position().y(),Vtx->position().z()) << Form(" Rank:%1.0f",Vtx->ranking()) << " Mult: " << primVtx.mult;
if (primVtx.maxmult == 1 && l!=0) cout << "\t WRONG RANK"<< endl;
else cout << endl;
}
}// END VERTICES
if (! gROOT->IsBatch()) {
if (Ask()) return;
} else {_debugAsk = 0;}
//if ((ev % 100) == 0) cout << "Number of events: " << ev << endl;
} //END EVENTS
cout << "Number of events: " << nevent << " No reconstructed events: " << noreco << endl;
fOut->Write();
TDatime now1;
now1.Print();
//vertexall->Write();
fOut->Close(); //Need to be used for condor
}