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root/cvsroot/UserCode/Jeng/PVStudy/plugins/PVStudy.cc
Revision: 1.22
Committed: Mon Mar 29 15:27:24 2010 UTC (15 years, 1 month ago) by yygao
Content type: text/plain
Branch: MAIN
Changes since 1.21: +2 -2 lines
Log Message:
adapt to 35X

File Contents

# User Rev Content
1 jengbou 1.1 // -*- C++ -*-
2     //
3     // Package: PVStudy
4     // Class: PVStudy
5     //
6     /**\class PVStudy PVStudy.cc UserCode/PVStudy/plugins/PVStudy.cc
7    
8     Description: <one line class summary>
9    
10     Implementation:
11     <Notes on implementation>
12     */
13     //
14     // Original Author: "Geng-yuan Jeng/UC Riverside"
15 yygao 1.17 // "Yanyan Gao/Fermilab ygao@fnal.gov"
16 jengbou 1.1 // Created: Thu Aug 20 11:55:40 CDT 2009
17 yygao 1.22 // $Id: PVStudy.cc,v 1.21 2010/02/28 00:07:09 yygao Exp $
18 jengbou 1.1 //
19     //
20    
21    
22     // system include files
23     #include <memory>
24     #include <string>
25     #include <vector>
26     #include <iostream>
27     #include <sstream>
28    
29     // user include files
30     #include "FWCore/Framework/interface/Frameworkfwd.h"
31     #include "FWCore/Framework/interface/EDAnalyzer.h"
32    
33     #include "FWCore/Framework/interface/Event.h"
34     #include "FWCore/Framework/interface/MakerMacros.h"
35    
36     #include "FWCore/ParameterSet/interface/ParameterSet.h"
37     #include "FWCore/Utilities/interface/InputTag.h"
38     #include "DataFormats/TrackReco/interface/Track.h"
39     #include "DataFormats/TrackReco/interface/TrackFwd.h"
40     #include "FWCore/ServiceRegistry/interface/Service.h"
41 yygao 1.22 #include "CommonTools/UtilAlgos/interface/TFileService.h"
42 jengbou 1.1 #include "UserCode/PVStudy/interface/PVStudy.h"
43     //
44     #include "DataFormats/VertexReco/interface/Vertex.h"
45     #include "RecoVertex/VertexPrimitives/interface/TransientVertex.h"
46    
47     // simulated vertices,..., add <use name=SimDataFormats/Vertex> and <../Track>
48     #include <SimDataFormats/Vertex/interface/SimVertex.h>
49     #include <SimDataFormats/Vertex/interface/SimVertexContainer.h>
50     #include <SimDataFormats/Track/interface/SimTrack.h>
51     #include <SimDataFormats/Track/interface/SimTrackContainer.h>
52 yygao 1.17 // BeamSpot
53     #include "DataFormats/BeamSpot/interface/BeamSpot.h"
54    
55 jengbou 1.1 //root
56 jengbou 1.4 #include <TROOT.h>
57     #include <TF1.h>
58     #include <TString.h>
59     #include <TStyle.h>
60     #include <TPaveStats.h>
61     #include <TPad.h>
62 jengbou 1.1
63     using namespace std;
64 yygao 1.17 typedef math::XYZTLorentzVectorF LorentzVector;
65     typedef math::XYZPoint Point;
66 jengbou 1.1
67 yygao 1.7 PVStudy::PVStudy(const edm::ParameterSet& iConfig)
68 jengbou 1.1 {
69 yygao 1.7 //=======================================================================
70     // Get configuration for TrackTupleMaker
71     //=======================================================================
72 jengbou 1.13 simG4_ = iConfig.getParameter<edm::InputTag>( "simG4" );
73     trackCollectionTag_ = iConfig.getUntrackedParameter<edm::InputTag>("trackCollection");
74     splitTrackCollection1Tag_ = iConfig.getUntrackedParameter<edm::InputTag>("splitTrackCollection1");
75     splitTrackCollection2Tag_ = iConfig.getUntrackedParameter<edm::InputTag>("splitTrackCollection2");
76 yygao 1.7 vertexCollectionTag_ = iConfig.getUntrackedParameter<edm::InputTag>("vertexCollection");
77 jengbou 1.13 splitVertexCollection1Tag_ = iConfig.getUntrackedParameter<edm::InputTag>("splitVertexCollection1");
78 yygao 1.17 splitVertexCollection2Tag_ = iConfig.getUntrackedParameter<edm::InputTag>("splitVertexCollection2");
79 jengbou 1.13 verbose_ = iConfig.getUntrackedParameter<bool>("verbose",false);
80     realData_ = iConfig.getUntrackedParameter<bool>("realData",false);
81     analyze_ = iConfig.getUntrackedParameter<bool>("analyzeOnTheFly",false);
82     saventuple_ = iConfig.getUntrackedParameter<bool>("saventuple",false);
83 yygao 1.19 outputfilename_ = iConfig.getUntrackedParameter<string>("OutputFileName");
84     histoFileName_ = iConfig.getUntrackedParameter<std::string> ("histoFileName");
85 jengbou 1.13 ntrkdiffcut_ = iConfig.getUntrackedParameter<double>("ntrkdiffcut");
86     nTrkMin_ = iConfig.getUntrackedParameter<int>("nTrkMin");
87     nTrkMax_ = iConfig.getUntrackedParameter<int>("nTrkMax");
88 yygao 1.17 zsigncut_ = iConfig.getUntrackedParameter<int>("zsigncut");
89 yygao 1.21 fHighPuritycut_ = iConfig.getUntrackedParameter<double>("fHighPuritycut");
90     useHWTrk_ = iConfig.getUntrackedParameter<bool>("useHWTrk",false);
91 yygao 1.17 bsSrc = iConfig.getParameter< edm::InputTag >("beamSpot");
92    
93 jengbou 1.1 //now do what ever initialization is needed
94 jengbou 1.3 pvinfo.clear();
95 jengbou 1.1
96 yygao 1.7 // Specify the data mode vector
97     if(realData_) datamode.push_back(0);
98     else {
99     datamode.push_back(0);
100     datamode.push_back(1);
101     datamode.push_back(2);
102     datamode.push_back(3);
103     }
104 yygao 1.17 // Create ntuple files if needed
105 yygao 1.7 if(saventuple_) {
106     file_ = TFile::Open(outputfilename_.c_str(),"RECREATE");
107     ftree_ = new TTree("mytree","mytree");
108     ftree_->AutoSave();
109     ftree_->Branch("residual",&fres_,"fres_[3]/D");
110     ftree_->Branch("error",&ferror_,"ferror_[3]/D");
111     ftree_->Branch("nTrkPV",&fntrk_,"fntrk_/I");
112 yygao 1.9
113     // pvtxtree_ analyzing the pvtxs ootb
114     pvtxtree_ = new TTree("pvtxtree","pvtxtree");
115 yygao 1.19
116     // Event information for the data
117     pvtxtree_->Branch("glob_runno",&glob_runno_,"glob_runno/I");
118     pvtxtree_->Branch("glob_evtno",&glob_evtno_,"glob_evtno/I");
119     pvtxtree_->Branch("glob_ls",&glob_ls_,"glob_ls/I");
120     pvtxtree_->Branch("glob_bx",&glob_bx_,"glob_bx/I");
121    
122    
123 yygao 1.9 pvtxtree_->Branch("nrecPV",&nrecPV_,"nrecPV/I");
124 yygao 1.19 pvtxtree_->Branch("nrecPV1_spl",&nrecPV1_spl_,"nrecPV1_spl/I");
125     pvtxtree_->Branch("nrecPV2_spl",&nrecPV2_spl_,"nrecPV2_spl/I");
126     // Event level information
127 yygao 1.10 pvtxtree_->Branch("min_zsep",&min_zsep_,"min_zsep/D");
128     pvtxtree_->Branch("min_ntrksep",&min_ntrksep_,"min_ntrksep/D");
129     pvtxtree_->Branch("min_sumpt2sep",&min_sumpt2sep_,"min_sumpt2sep/D");
130    
131 yygao 1.19 //Fill the variables in the twovtx pair (recvtx1, recvtx2)
132     // Information related to the analyzing the two-vertex method
133    
134    
135 yygao 1.11
136 yygao 1.9 pvtxtree_->Branch("nrecPV_twovtx",&nrecPV_twovtx_,"nrecPV_twovtx/I");
137     pvtxtree_->Branch("nTrkPV_twovtx",&nTrkPV_twovtx_,"nTrkPV_twovtx[nrecPV_twovtx]/I");
138     pvtxtree_->Branch("deltax_twovtx",&deltax_twovtx_,"deltax_twovtx[nrecPV_twovtx]/D");
139     pvtxtree_->Branch("deltay_twovtx",&deltay_twovtx_,"deltay_twovtx[nrecPV_twovtx]/D");
140     pvtxtree_->Branch("deltaz_twovtx",&deltaz_twovtx_,"deltaz_twovtx[nrecPV_twovtx]/D");
141     pvtxtree_->Branch("errx_twovtx",&errx_twovtx_,"errx_twovtx[nrecPV_twovtx]/D");
142     pvtxtree_->Branch("erry_twovtx",&erry_twovtx_,"erry_twovtx[nrecPV_twovtx]/D");
143     pvtxtree_->Branch("errz_twovtx",&errz_twovtx_,"errz_twovtx[nrecPV_twovtx]/D");
144     pvtxtree_->Branch("pullx_twovtx",&pullx_twovtx_,"pullx_twovtx[nrecPV_twovtx]/D");
145     pvtxtree_->Branch("pully_twovtx",&pully_twovtx_,"pully_twovtx[nrecPV_twovtx]/D");
146     pvtxtree_->Branch("pullz_twovtx",&pullz_twovtx_,"pullz_twovtx[nrecPV_twovtx]/D");
147 yygao 1.19
148     // Information for the splitVertexColl1
149     pvtxtree_->Branch("nTrkPV1_spl_twovtx",&nTrkPV1_spl_twovtx_,"nTrkPV1_spl_twovtx[nrecPV_twovtx]/I");
150     pvtxtree_->Branch("ndofPV1_spl_twovtx",&ndofPV1_spl_twovtx_,"ndofPV1_spl_twovtx[nrecPV_twovtx]/D");
151     pvtxtree_->Branch("normchi2PV1_spl_twovtx",&normchi2PV1_spl_twovtx_,"normchi2PV1_spl_twovtx[nrecPV_twovtx]/D");
152     pvtxtree_->Branch("avgPtPV1_spl_twovtx",&avgPtPV1_spl_twovtx_,"avgPtPV1_spl_twovtx[nrecPV_twovtx]/D");
153     pvtxtree_->Branch("errx1_spl_twovtx",&errx1_spl_twovtx_,"errx1_spl_twovtx[nrecPV_twovtx]/D");
154     pvtxtree_->Branch("erry1_spl_twovtx",&erry1_spl_twovtx_,"erry1_spl_twovtx[nrecPV_twovtx]/D");
155     pvtxtree_->Branch("errz1_spl_twovtx",&errz1_spl_twovtx_,"errz1_spl_twovtx[nrecPV_twovtx]/D");
156    
157    
158     // Information for the splitVertexColl2
159     pvtxtree_->Branch("nTrkPV2_spl_twovtx",&nTrkPV2_spl_twovtx_,"nTrkPV2_spl_twovtx[nrecPV_twovtx]/I");
160     pvtxtree_->Branch("ndofPV2_spl_twovtx",&ndofPV2_spl_twovtx_,"ndofPV2_spl_twovtx[nrecPV_twovtx]/D");
161     pvtxtree_->Branch("normchi2PV2_spl_twovtx",&normchi2PV2_spl_twovtx_,"normchi2PV2_spl_twovtx[nrecPV_twovtx]/D");
162     pvtxtree_->Branch("avgPtPV2_spl_twovtx",&avgPtPV2_spl_twovtx_,"avgPtPV2_spl_twovtx[nrecPV_twovtx]/D");
163     pvtxtree_->Branch("errx2_spl_twovtx",&errx2_spl_twovtx_,"errx2_spl_twovtx[nrecPV_twovtx]/D");
164     pvtxtree_->Branch("erry2_spl_twovtx",&erry2_spl_twovtx_,"erry2_spl_twovtx[nrecPV_twovtx]/D");
165     pvtxtree_->Branch("errz2_spl_twovtx",&errz2_spl_twovtx_,"errz2_spl_twovtx[nrecPV_twovtx]/D");
166    
167 yygao 1.9
168     // MC variables
169     if(!realData_) {
170     pvtxtree_->Branch("nsimPV",&nsimPV_,"nsimPV/I");
171     pvtxtree_->Branch("nsimTrkPV",&nsimTrkPV_,"nsimTrkPV[nsimPV]/I");
172     pvtxtree_->Branch("simx",&simx_,"simx[nsimPV]/D");
173     pvtxtree_->Branch("simy",&simy_,"simy[nsimPV]/D");
174     pvtxtree_->Branch("simz",&simz_,"simz[nsimPV]/D");
175     pvtxtree_->Branch("simptsq",&simptsq_,"simptsq[nsimPV]/D");
176    
177     // For pvtxs with all the tracks
178     pvtxtree_->Branch("nrecPV_mct",&nrecPV_mct_,"nrecPV_mct/I");
179     pvtxtree_->Branch("deltax_mct",&deltax_mct_,"deltax_mct[nrecPV_mct]/D");
180     pvtxtree_->Branch("deltay_mct",&deltay_mct_,"deltay_mct[nrecPV_mct]/D");
181     pvtxtree_->Branch("deltaz_mct",&deltaz_mct_,"deltaz_mct[nrecPV_mct]/D");
182     pvtxtree_->Branch("pullx_mct",&pullx_mct_,"pullx_mct[nrecPV_mct]/D");
183     pvtxtree_->Branch("pully_mct",&pully_mct_,"pully_mct[nrecPV_mct]/D");
184 yygao 1.19 pvtxtree_->Branch("pullz_mct",&pullz_mct_,"pullz_mct[nrecPV_mct]/D");
185     pvtxtree_->Branch("errx_mct",&errx_mct_,"errx_mct[nrecPV_mct]/D");
186     pvtxtree_->Branch("erry_mct",&erry_mct_,"erry_mct[nrecPV_mct]/D");
187     pvtxtree_->Branch("errz_mct",&errz_mct_,"errz_mct[nrecPV_mct]/D");
188     pvtxtree_->Branch("nTrkPV_mct",&nTrkPV_mct_,"nTrkPV_mct[nrecPV_mct]/I");
189     pvtxtree_->Branch("ndofPV_mct",&ndofPV_mct_,"ndofPV_mct[nrecPV_mct]/D");
190     pvtxtree_->Branch("normchi2PV_mct",&normchi2PV_mct_,"normchi2PV_mct[nrecPV_mct]/D");
191     pvtxtree_->Branch("avgPtPV_mct",&avgPtPV_mct_,"avgPtPV_mct[nrecPV_mct]/D");
192    
193 yygao 1.9 // For pvtxs with splittracks1
194     pvtxtree_->Branch("nrecPV_spl1_mct",&nrecPV_spl1_mct_,"nrecPV_spl1_mct/I");
195     pvtxtree_->Branch("deltax_spl1_mct",&deltax_spl1_mct_,"deltax_spl1_mct[nrecPV_spl1_mct]/D");
196     pvtxtree_->Branch("deltay_spl1_mct",&deltay_spl1_mct_,"deltay_spl1_mct[nrecPV_spl1_mct]/D");
197     pvtxtree_->Branch("deltaz_spl1_mct",&deltaz_spl1_mct_,"deltaz_spl1_mct[nrecPV_spl1_mct]/D");
198     pvtxtree_->Branch("pullx_spl1_mct",&pullx_spl1_mct_,"pullx_spl1_mct[nrecPV_spl1_mct]/D");
199     pvtxtree_->Branch("pully_spl1_mct",&pully_spl1_mct_,"pully_spl1_mct[nrecPV_spl1_mct]/D");
200     pvtxtree_->Branch("pullz_spl1_mct",&pullz_spl1_mct_,"pullz_spl1_mct[nrecPV_spl1_mct]/D");
201 yygao 1.19 pvtxtree_->Branch("errx_spl1_mct",&errx_spl1_mct_,"errx_spl1_mct[nrecPV_spl1_mct]/D");
202     pvtxtree_->Branch("erry_spl1_mct",&erry_spl1_mct_,"erry_spl1_mct[nrecPV_spl1_mct]/D");
203     pvtxtree_->Branch("errz_spl1_mct",&errz_spl1_mct_,"errz_spl1_mct[nrecPV_spl1_mct]/D");
204     pvtxtree_->Branch("nTrkPV_spl1_mct",&nTrkPV_spl1_mct_,"nTrkPV_spl1_mct[nrecPV_spl1_mct]/I");
205     pvtxtree_->Branch("ndofPV_spl1_mct",&ndofPV_spl1_mct_,"ndofPV_spl1_mct[nrecPV_spl1_mct]/D");
206     pvtxtree_->Branch("normchi2PV_spl1_mct",&normchi2PV_spl1_mct_,"normchi2PV_spl1_mct[nrecPV_spl1_mct]/D");
207     pvtxtree_->Branch("avgPtPV_spl1_mct",&avgPtPV_spl1_mct_,"avgPtPV_spl1_mct[nrecPV_spl1_mct]/D");
208    
209 yygao 1.9 // For pvtxs with splittracks1
210     pvtxtree_->Branch("nrecPV_spl2_mct",&nrecPV_spl2_mct_,"nrecPV_spl2_mct/I");
211     pvtxtree_->Branch("deltax_spl2_mct",&deltax_spl2_mct_,"deltax_spl2_mct[nrecPV_spl2_mct]/D");
212     pvtxtree_->Branch("deltay_spl2_mct",&deltay_spl2_mct_,"deltay_spl2_mct[nrecPV_spl2_mct]/D");
213     pvtxtree_->Branch("deltaz_spl2_mct",&deltaz_spl2_mct_,"deltaz_spl2_mct[nrecPV_spl2_mct]/D");
214     pvtxtree_->Branch("pullx_spl2_mct",&pullx_spl2_mct_,"pullx_spl2_mct[nrecPV_spl2_mct]/D");
215     pvtxtree_->Branch("pully_spl2_mct",&pully_spl2_mct_,"pully_spl2_mct[nrecPV_spl2_mct]/D");
216 yygao 1.19 pvtxtree_->Branch("pullz_spl2_mct",&pullz_spl2_mct_,"pullz_spl2_mct[nrecPV_spl2_mct]/D");
217     pvtxtree_->Branch("errx_spl2_mct",&errx_spl2_mct_,"errx_spl2_mct[nrecPV_spl2_mct]/D");
218     pvtxtree_->Branch("erry_spl2_mct",&erry_spl2_mct_,"erry_spl2_mct[nrecPV_spl2_mct]/D");
219     pvtxtree_->Branch("errz_spl2_mct",&errz_spl2_mct_,"errz_spl2_mct[nrecPV_spl2_mct]/D");
220     pvtxtree_->Branch("nTrkPV_spl2_mct",&nTrkPV_spl2_mct_,"nTrkPV_spl2_mct[nrecPV_spl2_mct]/I");
221     pvtxtree_->Branch("ndofPV_spl2_mct",&ndofPV_spl2_mct_,"ndofPV_spl2_mct[nrecPV_spl2_mct]/D");
222     pvtxtree_->Branch("normchi2PV_spl2_mct",&normchi2PV_spl2_mct_,"normchi2PV_spl2_mct[nrecPV_spl2_mct]/D");
223     pvtxtree_->Branch("avgPtPV_spl2_mct",&avgPtPV_spl2_mct_,"avgPtPV_spl2_mct[nrecPV_spl2_mct]/D");
224    
225 yygao 1.7 }
226     }
227 yygao 1.17
228 jengbou 1.4 setRootStyle();
229 yygao 1.10
230 yygao 1.17 //========================================
231     // Booking histograms
232     //========================================
233    
234 jengbou 1.13 // Create a root file for histograms
235     theFile = new TFile(histoFileName_.c_str(), "RECREATE");
236     // make diretories
237     theFile->mkdir("Summary");
238     theFile->cd();
239     theFile->mkdir("Others");
240     theFile->cd();
241 jengbou 1.15 if (analyze_) {
242     theFile->mkdir("Results");
243     theFile->cd();
244     }
245 jengbou 1.13
246     // Book Histograms:
247     h_pvtrk = new PVHistograms();
248     h_misc = new PVHistograms();
249     h_summary = new PVHistograms();
250     h_others = new PVHistograms();
251    
252     for(int i=0;i<3;i++) {
253     if(i == 0) h_pvtrk->Init("pvTrk");
254     else {
255     stringstream ss;
256     ss << i;
257 yygao 1.17 h_pvtrk->Init("pvTrk", ss.str(),"spl");
258 yygao 1.7 }
259 jengbou 1.13 }
260     h_misc->Init("misc");
261    
262     // Book MC only plots
263     if (!realData_) {
264     h_gen = new PVHistograms();
265     h_gen->Init("generator");
266     }
267 jengbou 1.14 if (analyze_) h_ana = new PVHistograms();
268 yygao 1.10
269 yygao 1.7 //Book histograms sensitive to data/mc
270     for (vector<int>::const_iterator it= datamode.begin(); it != datamode.end() ; ++it) {
271     string suffix;
272 jengbou 1.14 edm::LogInfo("Debug")<<"datamode = "<< *it<<endl;
273 yygao 1.7 switch(*it) {
274     case 0: suffix = "";
275     break;
276     case 1: suffix = "_spl1_mct";
277     break;
278     case 2: suffix = "_spl2_mct";
279     break;
280     case 3: suffix = "_mct";
281     break;
282 jengbou 1.2 }
283 jengbou 1.13 h_summary->Init("summary",suffix);
284 yygao 1.7
285     // Book residual, error and pull histograms for each nTrk bin
286 jengbou 1.1 for (int ntrk=nTrkMin_;ntrk<=nTrkMax_;++ntrk) {
287     stringstream ss;
288     ss << ntrk;
289 jengbou 1.13 h_others->Init("others",suffix,ss.str());
290     }
291    
292 yygao 1.7 // Book residual and pull histograms only when analyzeOntheFly is enabled
293 jengbou 1.14 if(analyze_) h_ana->InitA("analysis",suffix,"nTrk",nTrkMin_,nTrkMax_);
294 yygao 1.7 suffix.clear();
295 yygao 1.10 } // End of Book histograms sensitive to data/mc
296 yygao 1.17
297 yygao 1.11
298 jengbou 1.1 }
299    
300     PVStudy::~PVStudy()
301     {
302 yygao 1.17
303     // do anything here that needs to be done at desctruction time
304     // (e.g. close files, deallocate resources etc.)
305 jengbou 1.13 theFile->cd();
306     theFile->cd("Summary");
307     h_pvtrk->Save();
308     h_misc->Save();
309     h_summary->Save();
310 jengbou 1.15 if (!realData_)
311     h_gen->Save();
312     if (analyze_) {
313     theFile->cd();
314     theFile->cd("Results");
315 jengbou 1.13 h_ana->Save();
316 jengbou 1.15 }
317 jengbou 1.13 theFile->cd();
318     theFile->cd("Others");
319     h_others->Save();
320 jengbou 1.1
321 jengbou 1.13 theFile->Close();
322 jengbou 1.1 }
323    
324 jengbou 1.4 void PVStudy::setRootStyle() {
325     //
326     gROOT->SetStyle("Plain");
327     gStyle->SetFillColor(1);
328     gStyle->SetOptDate();
329     // gStyle->SetOptStat(1111110);
330     // gStyle->SetOptFit(0111);
331     // gStyle->SetPadTickX(1);
332     // gStyle->SetPadTickY(1);
333     gStyle->SetMarkerSize(0.5);
334     gStyle->SetMarkerStyle(8);
335     gStyle->SetGridStyle(3);
336     //gStyle->SetPadGridX(1);
337     //gStyle->SetPadGridY(1);
338     gStyle->SetPaperSize(TStyle::kA4);
339     gStyle->SetStatW(0.25); // width of statistics box; default is 0.19
340     // gStyle->SetStatH(0.10); // height of statistics box; default is 0.1
341     gStyle->SetStatFormat("6.4g"); // leave default format for now
342     gStyle->SetTitleSize(0.055, ""); // size for pad title; default is 0.02
343     gStyle->SetLabelSize(0.03, "XYZ"); // size for axis labels; default is 0.04
344     gStyle->SetStatFontSize(0.08); // size for stat. box
345 yygao 1.19 gStyle->SetTitleFont(42, "XYZ"); // times-bold-italic font (p. 153) for axes
346     gStyle->SetTitleFont(42, ""); // same for pad title
347     gStyle->SetLabelFont(42, "XYZ"); // same for axis labels
348     gStyle->SetStatFont(42); // same for stat. box
349 jengbou 1.4 gStyle->SetLabelOffset(0.006, "Y"); // default is 0.005
350     //
351     return;
352     }
353 jengbou 1.1 //
354     // member functions
355     //
356     std::vector<PVStudy::simPrimaryVertex> PVStudy::getSimPVs(const Handle<HepMCProduct> evtMC, std::string suffix="")
357     {
358 yygao 1.17 std::vector<PVStudy::simPrimaryVertex> simpv;
359 jengbou 1.1 const HepMC::GenEvent* evt=evtMC->GetEvent();
360     if (evt) {
361 jengbou 1.14 edm::LogInfo("SimPVs") << "[getSimPVs] process id " << evt->signal_process_id()<<endl;
362     edm::LogInfo("SimPVs") << "[getSimPVs] signal process vertex " << ( evt->signal_process_vertex() ?
363     evt->signal_process_vertex()->barcode() : 0 ) <<endl;
364     edm::LogInfo("SimPVs") << "[getSimPVs] number of vertices " << evt->vertices_size() << endl;
365 jengbou 1.1
366 jengbou 1.6 int idx=0; int npv=0;
367 jengbou 1.1 for(HepMC::GenEvent::vertex_const_iterator vitr= evt->vertices_begin();
368 jengbou 1.6 vitr != evt->vertices_end(); ++vitr ) { // loop for vertex ...
369     HepMC::FourVector pos = (*vitr)->position();
370     //HepLorentzVector pos = (*vitr)->position();
371    
372     // t component of PV:
373     for ( HepMC::GenVertex::particle_iterator mother = (*vitr)->particles_begin(HepMC::parents);
374     mother != (*vitr)->particles_end(HepMC::parents); ++mother ) {
375 jengbou 1.14 // edm::LogInfo("SimPVs") << "Status = " << (*mother)->status() << endl;
376 jengbou 1.6 HepMC::GenVertex * mv=(*mother)->production_vertex();
377     if( ((*mother)->status() == 3) && (!mv)) {
378 jengbou 1.14 // edm::LogInfo("SimPVs") << "npv= " << npv << endl;
379 jengbou 1.6 if (npv == 0) {
380 jengbou 1.13 h_gen->Fill1d("genPart_cT", pos.t()); // mm
381     h_gen->Fill1d("genPart_T", pos.t()/299.792458); // ns
382 jengbou 1.6 }
383     npv++;
384     }
385     }
386     // if (pos.t()>0) { continue;} // for 22X when t of PV was not smeared
387 jengbou 1.1
388 jengbou 1.6 bool hasMotherVertex=false;
389 jengbou 1.14 if (verbose_) cout << "[getSimPVs] mothers of vertex[" << ++idx << "]: " << endl;
390 jengbou 1.6 for ( HepMC::GenVertex::particle_iterator mother = (*vitr)->particles_begin(HepMC::parents);
391     mother != (*vitr)->particles_end(HepMC::parents); ++mother ) {
392     HepMC::GenVertex * mv=(*mother)->production_vertex();
393 jengbou 1.14 // if (verbose_) cout << "Status = " << (*mother)->status() << endl;
394 jengbou 1.6 if (mv) {
395     hasMotherVertex=true;
396     if(!verbose_) break; //if verbose_, print all particles of gen vertices
397     }
398     if(verbose_) {
399     cout << "\t";
400     (*mother)->print();
401     }
402     }
403    
404     if(hasMotherVertex) continue;
405    
406     // could be a new vertex, check all primaries found so far to avoid multiple entries
407     const double mm2cm=0.1;
408     simPrimaryVertex sv(pos.x()*mm2cm,pos.y()*mm2cm,pos.z()*mm2cm); // sim unit mm, rec unit cm
409     simPrimaryVertex *vp=NULL; // will become non-NULL if a vertex is found and then point to it
410     for(vector<simPrimaryVertex>::iterator v0=simpv.begin();
411     v0!=simpv.end(); v0++){
412     if( (fabs(sv.x-v0->x)<1e-5) && (fabs(sv.y-v0->y)<1e-5) && (fabs(sv.z-v0->z)<1e-5)){
413     vp=&(*v0);
414     break;
415 jengbou 1.1 }
416 jengbou 1.6 }
417 jengbou 1.1
418 jengbou 1.6 if(!vp){
419     // this is a new vertex
420 jengbou 1.14 edm::LogInfo("SimPVs") << "[getSimPVs] this is a new vertex " << sv.x << " " << sv.y << " " << sv.z << endl;
421 jengbou 1.6 simpv.push_back(sv);
422     vp=&simpv.back();
423     }else{
424 jengbou 1.14 edm::LogInfo("SimPVs") << "[getSimPVs] this is not a new vertex " << sv.x << " " << sv.y << " " << sv.z << endl;
425 jengbou 1.6 }
426     vp->genVertex.push_back((*vitr)->barcode());
427     // collect final state descendants
428     for ( HepMC::GenVertex::particle_iterator daughter = (*vitr)->particles_begin(HepMC::descendants);
429     daughter != (*vitr)->particles_end(HepMC::descendants);
430     ++daughter ) {
431     if (isFinalstateParticle(*daughter)){
432     if ( find(vp->finalstateParticles.begin(), vp->finalstateParticles.end(),(*daughter)->barcode())
433     == vp->finalstateParticles.end()){
434     vp->finalstateParticles.push_back((*daughter)->barcode());
435     HepMC::FourVector m=(*daughter)->momentum();
436     // the next four lines used to be "vp->ptot+=m;" in the days of CLHEP::HepLorentzVector
437     // but adding FourVectors seems not to be foreseen
438     vp->ptot.setPx(vp->ptot.px()+m.px());
439     vp->ptot.setPy(vp->ptot.py()+m.py());
440     vp->ptot.setPz(vp->ptot.pz()+m.pz());
441     vp->ptot.setE(vp->ptot.e()+m.e());
442     vp->ptsq+=(m.perp())*(m.perp());
443     if ( (m.perp()>0.8) && (fabs(m.pseudoRapidity())<2.5) && isCharged( *daughter ) ){
444     vp->nGenTrk++;
445 jengbou 1.1 }
446     }
447     }
448 jengbou 1.13 }//loop MC vertices daughters
449     }//loop MC vertices
450 jengbou 1.1 }
451     return simpv;
452     }
453    
454     std::vector<PVStudy::simPrimaryVertex> PVStudy::getSimPVs(const Handle<HepMCProduct> evtMC,
455     const Handle<SimVertexContainer> simVtxs,
456     const Handle<SimTrackContainer> simTrks)
457     {
458     // simvertices don't have enough information to decide,
459     // genVertices don't have the simulated coordinates ( with VtxSmeared they might)
460     // go through simtracks to get the link between simulated and generated vertices
461     std::vector<PVStudy::simPrimaryVertex> simpv;
462     int idx=0;
463     for(SimTrackContainer::const_iterator t=simTrks->begin();
464     t!=simTrks->end(); ++t){
465     if ( !(t->noVertex()) && !(t->type()==-99) ){
466     double ptsq=0;
467     bool primary=false; // something coming directly from the primary vertex
468     bool resonance=false; // resonance
469     bool track=false; // undecayed, charged particle
470     HepMC::GenParticle* gp=evtMC->GetEvent()->barcode_to_particle( (*t).genpartIndex() );
471     if (gp) {
472     HepMC::GenVertex * gv=gp->production_vertex();
473     if (gv) {
474     for ( HepMC::GenVertex::particle_iterator
475     daughter = gv->particles_begin(HepMC::descendants);
476     daughter != gv->particles_end(HepMC::descendants);
477     ++daughter ) {
478     if (isFinalstateParticle(*daughter)){
479     ptsq+=(*daughter)->momentum().perp()*(*daughter)->momentum().perp();
480     }
481     }
482 jengbou 1.13 //primary = ( gv->position().t()==0 );
483     primary = true;
484     h_gen->Fill1d("genPart_cT", gv->position().t()); // mm
485     h_gen->Fill1d("genPart_T", gv->position().t()/299.792458); // ns
486    
487 jengbou 1.1 //resonance= ( gp->mother() && isResonance(gp->mother())); // in CLHEP/HepMC days
488     // no more mother pointer in the improved HepMC GenParticle
489     resonance= ( isResonance(*(gp->production_vertex()->particles_in_const_begin())));
490     if (gp->status()==1){
491     //track=((pdt->particle(gp->pdg_id()))->charge() != 0);
492     track=not isCharged(gp);
493     }
494     }
495     }
496    
497     const HepMC::FourVector & v=(*simVtxs)[t->vertIndex()].position();
498     //const HepLorentzVector & v=(*simVtxs)[t->vertIndex()].position();
499     if(primary or resonance){
500     {
501     // check all primaries found so far to avoid multiple entries
502     bool newVertex=true;
503     for(std::vector<PVStudy::simPrimaryVertex>::iterator v0=simpv.begin();
504     v0!=simpv.end(); v0++){
505     if( (fabs(v0->x-v.x())<0.001) && (fabs(v0->y-v.y())<0.001) && (fabs(v0->z-v.z())<0.001) ){
506     if (track) {
507     v0->simTrackIndex.push_back(idx);
508     if (ptsq>(*v0).ptsq){(*v0).ptsq=ptsq;}
509     }
510     newVertex=false;
511     }
512     }
513     if(newVertex && !resonance){
514     PVStudy::simPrimaryVertex anotherVertex(v.x(),v.y(),v.z());
515     if (track) anotherVertex.simTrackIndex.push_back(idx);
516     anotherVertex.ptsq=ptsq;
517     simpv.push_back(anotherVertex);
518     }
519     }//
520     }
521    
522     }// simtrack has vertex and valid type
523     idx++;
524     }//simTrack loop
525     return simpv;
526     }
527    
528     // ------------ method called to for each event ------------
529     void
530     PVStudy::analyze(const edm::Event& iEvent, const edm::EventSetup& iSetup)
531     {
532     using namespace edm;
533 yygao 1.7 using namespace reco;
534    
535 yygao 1.19 //========================================================================
536     // Step 0: Prepare root variables and get information from the Event
537     //========================================================================
538    
539 jengbou 1.14 edm::LogInfo("Debug")<<"[PVStudy]"<<endl;
540 yygao 1.7 // Initialize Root-tuple variables if needed
541 yygao 1.19 SetVarToZero();
542    
543     // ====== TrackCollection
544 yygao 1.7 static const reco::TrackCollection s_empty_trackColl;
545     const reco::TrackCollection *trackColl = &s_empty_trackColl;
546     edm::Handle<reco::TrackCollection> trackCollectionHandle;
547     iEvent.getByLabel(trackCollectionTag_, trackCollectionHandle);
548     if( iEvent.getByLabel(trackCollectionTag_, trackCollectionHandle)) {
549     trackColl = trackCollectionHandle.product();
550     } else {
551 jengbou 1.14 edm::LogInfo("Debug") << "[PVStudy] trackCollection cannot be found -> using empty collection of same type." <<endl;
552 yygao 1.7 }
553 yygao 1.19 // ====== splitTrackCollection1
554 yygao 1.7 static const reco::TrackCollection s_empty_splitTrackColl1;
555     const reco::TrackCollection *splitTrackColl1 = &s_empty_splitTrackColl1;
556     edm::Handle<reco::TrackCollection> splitTrackCollection1Handle;
557     iEvent.getByLabel(splitTrackCollection1Tag_, splitTrackCollection1Handle);
558     if( iEvent.getByLabel(splitTrackCollection1Tag_, splitTrackCollection1Handle)) {
559     splitTrackColl1 = splitTrackCollection1Handle.product();
560     } else {
561 jengbou 1.14 edm::LogInfo("Debug") << "[PVStudy] splitTrackCollection1 cannot be found -> using empty collection of same type." <<endl;
562 yygao 1.7 }
563 yygao 1.19 // ====== splitTrackCollection2
564 yygao 1.7 static const reco::TrackCollection s_empty_splitTrackColl2;
565     const reco::TrackCollection *splitTrackColl2 = &s_empty_splitTrackColl2;
566     edm::Handle<reco::TrackCollection> splitTrackCollection2Handle;
567     iEvent.getByLabel(splitTrackCollection2Tag_, splitTrackCollection2Handle);
568     if( iEvent.getByLabel(splitTrackCollection2Tag_, splitTrackCollection2Handle)) {
569     splitTrackColl2 = splitTrackCollection2Handle.product();
570     } else {
571 yygao 1.17 edm::LogInfo("Debug") << "[PVStudy] splitTrackCollection2 cannot be found -> using empty collection of same type." <<endl;
572 yygao 1.7 }
573 yygao 1.17
574 yygao 1.19 // ======= PrimaryVertexCollection
575 yygao 1.7 static const reco::VertexCollection s_empty_vertexColl;
576     const reco::VertexCollection *vertexColl = &s_empty_vertexColl;
577     edm::Handle<reco::VertexCollection> vertexCollectionHandle;
578     iEvent.getByLabel(vertexCollectionTag_, vertexCollectionHandle);
579     if( iEvent.getByLabel(vertexCollectionTag_, vertexCollectionHandle)) {
580     vertexColl = vertexCollectionHandle.product();
581     } else {
582 yygao 1.17 edm::LogInfo("Debug") << "[PVStudy] vertexCollection cannot be found -> using empty collection of same type." <<endl;
583 yygao 1.7 }
584 yygao 1.19 // ====== splitVertexCollection1
585 yygao 1.7 static const reco::VertexCollection s_empty_splitVertexColl1;
586     const reco::VertexCollection *splitVertexColl1 = &s_empty_splitVertexColl1;
587     edm::Handle<reco::VertexCollection> splitVertexCollection1Handle;
588     iEvent.getByLabel(splitVertexCollection1Tag_, splitVertexCollection1Handle);
589     if( iEvent.getByLabel(splitVertexCollection1Tag_, splitVertexCollection1Handle)) {
590     splitVertexColl1 = splitVertexCollection1Handle.product();
591     } else {
592 jengbou 1.14 edm::LogInfo("Debug") << "[PVStudy] splitVertexCollection1 cannot be found -> using empty collection of same type." <<endl;
593 yygao 1.17 }
594 yygao 1.19 // ====== splitVertexCollection2
595 yygao 1.7 static const reco::VertexCollection s_empty_splitVertexColl2;
596     const reco::VertexCollection *splitVertexColl2 = &s_empty_splitVertexColl2;
597     edm::Handle<reco::VertexCollection> splitVertexCollection2Handle;
598     iEvent.getByLabel(splitVertexCollection2Tag_, splitVertexCollection2Handle);
599     if( iEvent.getByLabel(splitVertexCollection2Tag_, splitVertexCollection2Handle)) {
600     splitVertexColl2 = splitVertexCollection2Handle.product();
601     } else {
602 jengbou 1.14 edm::LogInfo("Debug") << "[PVStudy] splitVertexCollection2 cannot be found -> using empty collection of same type." <<endl;
603 yygao 1.7 }
604 yygao 1.17
605 yygao 1.10
606 yygao 1.19 // ======== BeamSpot accessors
607 yygao 1.17 edm::Handle<reco::BeamSpot> recoBeamSpotHandle;
608     iEvent.getByLabel(bsSrc,recoBeamSpotHandle);
609     reco::BeamSpot bs = *recoBeamSpotHandle;
610     const Point beamSpot = recoBeamSpotHandle.isValid() ? Point(recoBeamSpotHandle->x0(), recoBeamSpotHandle->y0(), recoBeamSpotHandle->z0()) : Point(0, 0, 0);
611    
612 yygao 1.19 edm::LogInfo("Debug")<<"[PVStudy] End accessing the track, beamSpot, primary vertex collections"<<endl;
613 yygao 1.7
614 yygao 1.19 // ========== MC simvtx accessor
615 jengbou 1.1 if (!realData_) {
616 yygao 1.7 edm::Handle<SimVertexContainer> simVtxs;
617 jengbou 1.1 iEvent.getByLabel( simG4_, simVtxs);
618    
619 yygao 1.7 edm::Handle<SimTrackContainer> simTrks;
620 jengbou 1.1 iEvent.getByLabel( simG4_, simTrks);
621     }
622    
623 yygao 1.19 // ========== GET PDT
624 jengbou 1.1 try{
625     iSetup.getData(pdt);
626     }catch(const Exception&){
627 jengbou 1.14 edm::LogInfo("Debug") << "[PVStudy] Some problem occurred with the particle data table. This may not work !." <<endl;
628 jengbou 1.1 }
629 yygao 1.19
630     // ======= Get MC information if needed
631     bool MC=false;
632     Handle<HepMCProduct> evtMC;
633     if (!realData_) {
634     iEvent.getByLabel("generator",evtMC);
635     if (!evtMC.isValid()) {
636     MC=false;
637     edm::LogInfo("Debug") << "[PVStudy] no HepMCProduct found"<< endl;
638     } else {
639     edm::LogInfo("Debug") << "[PVStudy] generator HepMCProduct found"<< endl;
640     MC=true;
641     }
642     }
643 yygao 1.17
644 yygao 1.19 //========================================================================
645     // Step 1: Apply event cleaning for data and MC
646     // WARNING: event selection cut are hard coded!!
647     //========================================================================
648     // =====Loop over the trackColl to get the fraction of HighPurity tracks
649 jengbou 1.18 int nTracks = 0;
650     int nHighPurityTracks=0;
651     double fHighPurity=0;
652    
653     for (unsigned int i=0; i<trackCollectionHandle->size(); i++, nTracks++) {
654     TrackRef tkref(trackCollectionHandle,i);
655     if(tkref->quality(reco::TrackBase::highPurity)) ++nHighPurityTracks;
656     }
657     if(nTracks>0)
658     fHighPurity = double(nHighPurityTracks)/double(nTracks);
659     if(verbose_)
660     cout<<"fraction of HighPurity track is "<<fHighPurity<<endl;
661 yygao 1.17
662 yygao 1.21 if( (fHighPurity<fHighPuritycut_ && nTracks>10) || vertexColl->begin()->isFake()) return;
663    
664 yygao 1.20 glob_runno_ = iEvent.id().run();
665     glob_evtno_ = iEvent.id().event();
666     glob_ls_ = iEvent.luminosityBlock();
667     glob_bx_ = iEvent.bunchCrossing();
668    
669 yygao 1.19 //========================================================================
670     // Step 2: Fill histograms for the splitting consistency checks
671     //========================================================================
672    
673     // === Fill trackparameters of the input tracks to pvtx fitter
674 yygao 1.17 edm::LogInfo("Debug")<<"[PVStudy] Start filling track parameters of the input tracks to pvtx fitter."<<endl;
675     //fillTrackHisto(const reco::TrackCollection *trackColl, int datatype, const Point & bs)
676     // datatype: unsplittracks (0); splittracks1 (1); splittracks2 (2);
677     fillTrackHisto(trackColl, 0, beamSpot);
678     fillTrackHisto(splitTrackColl1, 1, beamSpot);
679     fillTrackHisto(splitTrackColl2, 2, beamSpot);
680     edm::LogInfo("Debug")<<"[PVStudy] End filling track parameters of the input tracks to pvtx fitter."<<endl;
681 yygao 1.19
682    
683     // ==== Fill number of reconstructed vertices
684 jengbou 1.14 edm::LogInfo("Debug")<<"[PVStudy] Printing vertexCollection: "<<endl;
685     edm::LogInfo("Debug")<<"[PVStudy] Printing splitVertexCollection1: "<<endl;
686     edm::LogInfo("Debug")<<"[PVStudy] Printing splitVertexCollection2: "<<endl;
687     edm::LogInfo("Debug")<<"[PVStudy] Start filling pvtx parameters."<<endl;
688     if (verbose_) {
689 yygao 1.7 printRecVtxs(vertexCollectionHandle);
690     printRecVtxs(splitVertexCollection1Handle);
691     printRecVtxs(splitVertexCollection2Handle);
692     }
693 yygao 1.19
694 yygao 1.9 nrecPV_ = int (vertexColl->size());
695     nrecPV1_spl_ = int (splitVertexColl1->size());
696     nrecPV2_spl_ = int (splitVertexColl2->size());
697 jengbou 1.8
698 jengbou 1.13 h_pvtrk->Fill1d("nrecPV", nrecPV_);
699     h_pvtrk->Fill1d("nrecPV1_spl", nrecPV1_spl_);
700     h_pvtrk->Fill1d("nrecPV2_spl", nrecPV2_spl_);
701     h_misc->Fill1d("nrecPVDiff", double(nrecPV1_spl_)-double(nrecPV2_spl_));
702 yygao 1.11
703 yygao 1.17
704 yygao 1.19 // ======= Fill track parameter ntuple/hist for tracks used in recoVertices
705     //fillTrackHistoInPV(const reco::VertexCollection *vertexColl, int datatype, const Point & bs) {
706 yygao 1.10 if(vertexColl->size() > 0 && vertexColl->begin()->isValid() && !(vertexColl->begin()->isFake()))
707 yygao 1.19 fillTrackHistoInPV(vertexColl, 0, beamSpot);
708 yygao 1.10
709 yygao 1.19 // ======= Fill secondary/primary min separations for multi-vertices
710 yygao 1.10 if(vertexColl->size()>1 && vertexColl->begin()->isValid() && !(vertexColl->begin()->isFake()) ) {
711     double min_xsep = 9999.0;
712     double min_ysep = 9999.0;
713     double min_zsep = 9999.0;
714     double min_xsep_sign = 9999.0;
715     double min_ysep_sign = 9999.0;
716     double min_zsep_sign = 9999.0;
717     double min_ntrksep = 9999.0;
718     double min_sumpt2sep = 9999999.0;
719 yygao 1.9
720 jengbou 1.14 edm::LogInfo("Debug")<<"[PVStudy] leading pvtx z = "<< vertexColl->begin()->z() <<endl;
721 yygao 1.10
722     // Looping through the secondary vertices to find the mininum separation to the primary
723     for(reco::VertexCollection::const_iterator v=vertexColl->begin() + 1 ;
724     v!=vertexColl->end(); ++v) {
725     if(v->isValid() && ! v->isFake()) {
726     // xsep
727     if(fabs(v->x()- vertexColl->begin()->x())<min_xsep)
728     min_xsep = fabs(v->x()- vertexColl->begin()->x());
729     // ysep
730     if(fabs(v->y()- vertexColl->begin()->y())<min_ysep)
731     min_ysep = fabs(v->y()- vertexColl->begin()->y());
732     // zsep
733     if(fabs(v->z()- vertexColl->begin()->z())<min_zsep)
734     min_zsep = fabs(v->z()- vertexColl->begin()->z());
735     // xsep_sign
736     double xsep_sign = fabs(v->x()- vertexColl->begin()->x())/max(v->xError(), vertexColl->begin()->xError());
737     if(xsep_sign < min_xsep_sign)
738     min_xsep_sign = xsep_sign;
739     // ysep_sign
740     double ysep_sign = fabs(v->y()- vertexColl->begin()->y())/max(v->yError(), vertexColl->begin()->yError());
741     if(ysep_sign < min_ysep_sign)
742     min_ysep_sign = ysep_sign;
743     // zsep_sign
744     double zsep_sign = fabs(v->z()- vertexColl->begin()->z())/max(v->zError(), vertexColl->begin()->zError());
745     if(zsep_sign < min_zsep_sign)
746     min_zsep_sign = zsep_sign;
747     // ntrksep
748     if( (double(vertexColl->begin()->tracksSize()) - double(v->tracksSize())) < min_ntrksep)
749     min_ntrksep = double(vertexColl->begin()->tracksSize()) - double(v->tracksSize());
750     // sumpt2sep
751     if(fabs(sumPtSquared(*v) - sumPtSquared(*(vertexColl->begin()))) < min_sumpt2sep)
752     min_sumpt2sep = fabs(sumPtSquared(*v) - sumPtSquared(*(vertexColl->begin())));
753     }
754     }
755 jengbou 1.13 h_misc->Fill1d("min_xsep", min_xsep);
756     h_misc->Fill1d("min_ysep", min_ysep);
757     h_misc->Fill1d("min_zsep", min_zsep);
758     h_misc->Fill1d("min_xsep_sign", min_xsep_sign);
759     h_misc->Fill1d("min_ysep_sign", min_ysep_sign);
760     h_misc->Fill1d("min_zsep_sign", min_zsep_sign);
761     h_misc->Fill1d("min_ntrksep", min_ntrksep);
762     h_misc->Fill1d("min_sumpt2sep", min_sumpt2sep);
763 yygao 1.10
764     min_zsep_ = min_zsep;
765     min_ntrksep_ = min_ntrksep;
766     min_sumpt2sep_ = min_sumpt2sep;
767     } // End of if(vertexColl->size()>1) {
768    
769 jengbou 1.14 edm::LogInfo("Debug")<<"[PVStudy] End filling pvtx parameters."<<endl;
770 yygao 1.17
771 yygao 1.19 //========================================================================
772     // Step 3: PrimaryVertex Matching
773     // 1. In z |z1-z2|< zsigncut * max(sigmaz1, sigmaz2)
774     // 2. |(nTrkPV1 - nTrkPV2)/(nTrkPV1+nTrkPV2)|<ntrkdiffcut_
775     // 3. The first match is the primary vertex, which has largest sum(pT^2)
776     //========================================================================
777 yygao 1.17
778 jengbou 1.14 edm::LogInfo("Debug")<<"[PVStudy] matching pvtxs "<<endl;
779 yygao 1.9 reco::VertexCollection s_empty_matchedVertexColl1;
780     reco::VertexCollection *matchedVertexColl1 = &s_empty_matchedVertexColl1;
781     matchedVertexColl1->reserve(splitVertexColl1->size());
782     reco::VertexCollection s_empty_matchedVertexColl2;
783     reco::VertexCollection *matchedVertexColl2 = &s_empty_matchedVertexColl2;
784     matchedVertexColl2->reserve(splitVertexColl2->size());
785 yygao 1.7
786 yygao 1.10 bool stopmatching = false;
787     for (size_t ivtx = 0; ivtx<splitVertexCollection1Handle->size() && !stopmatching; ++ivtx) {
788 yygao 1.9 reco::VertexRef recvtx1(splitVertexCollection1Handle, ivtx);
789 yygao 1.10 if( !(recvtx1->isValid()) || recvtx1->isFake()) break;
790     for (size_t jvtx = ivtx; jvtx < splitVertexCollection2Handle->size(); ++jvtx) {
791     //------------------------------------------------------------------------
792     //== If only considering matching the first vertex of the splitVertexColl
793     //------------------------------------------------------------------------
794     if (ivtx!=0 || jvtx!=0) { stopmatching = true; break; }
795 yygao 1.9 reco::VertexRef recvtx2(splitVertexCollection2Handle, jvtx);
796 yygao 1.10 if( !(recvtx2->isValid()) || recvtx2->isFake()) break;
797 jengbou 1.14 edm::LogInfo("Debug")<<"[PVStudy] Matching splitVertexColl1: # "<< ivtx<< " and splitVertexColl1: # "<<jvtx<<endl;
798     edm::LogInfo("Debug")<<"[PVStudy] recvtx1->z() = " << recvtx1->z() << "+/- "<< recvtx1->zError() << "." << endl;
799     edm::LogInfo("Debug")<<"[PVStudy] recvtx2->z() = " << recvtx2->z() << "+/- "<< recvtx2->zError() << "." << endl;
800 yygao 1.17
801     double twovtxsig = (recvtx1->z()-recvtx2->z())/max(recvtx1->zError(), recvtx2->zError());
802     h_misc->Fill1d("twovtxzsign", twovtxsig);
803 yygao 1.9 if(matchVertex(recvtx1, recvtx2, zsigncut_)) {
804 jengbou 1.14 edm::LogInfo("Debug")<<"[PVStudy] The two splitted vertices match in Z. "<<endl;
805    
806 yygao 1.21 int nTrkPV1, nTrkPV2;
807     if(useHWTrk_) {
808     nTrkPV1 = nHWTrkRecVtx(*recvtx1);
809     nTrkPV2 = nHWTrkRecVtx(*recvtx2);
810     }
811     else {
812     nTrkPV1 = recvtx1->tracksSize();
813     nTrkPV2 = recvtx2->tracksSize();
814     }
815 yygao 1.9 double ntrkreldiff = double(nTrkPV1-nTrkPV2)/double(nTrkPV1+nTrkPV2);
816 jengbou 1.13 h_misc->Fill1d("nTrkPVDiff", nTrkPV1-nTrkPV2);
817     h_misc->Fill1d("nTrkPVRelDiff", ntrkreldiff);
818 yygao 1.9 if(fabs(ntrkreldiff)<ntrkdiffcut_) {
819 jengbou 1.14 edm::LogInfo("Debug")<<"[PVStudy] (nTrkPV1-nTrkPV2)/(nTrkPV1+nTrkPV2) = " << ntrkreldiff<<endl;
820    
821 yygao 1.9 matchedVertexColl1->push_back(*recvtx1);
822     matchedVertexColl2->push_back(*recvtx2);
823 yygao 1.10 stopmatching = true; // stop the matching when the first match is found!
824     break;
825 yygao 1.7 }
826 yygao 1.9 else
827 jengbou 1.14 edm::LogInfo("Debug")<<"WARNING: (nTrkPV1-nTrkPV2)/(nTrkPV1+nTrkPV2) = " << ntrkreldiff<<", exceeding cut "<<ntrkdiffcut_<<endl;
828 yygao 1.7 }
829 yygao 1.9 else {
830 jengbou 1.14 edm::LogInfo("Debug")<<"WARNING: The two reconstructed vertices do not match in z: "<<endl;
831     edm::LogInfo("Debug")<<"recvtx1->z() = " << recvtx1->z() << "+/- "<< recvtx1->zError() << "." << endl;
832     edm::LogInfo("Debug")<<"recvtx2->z() = " << recvtx2->z() << "+/- "<< recvtx2->zError() << "." << endl;
833 yygao 1.7 }
834     }
835 yygao 1.9 }
836 jengbou 1.14 edm::LogInfo("Debug")<<"[PVStudy] End matching pvtxs"<<endl;
837 yygao 1.19
838     //========================================================================
839     // Step 4: Analyze matchedVertexColls
840     //========================================================================
841     edm::LogInfo("Debug")<<"[PVStudy] Begin analyzing the matchedVertexColl with size = "<< matchedVertexColl1->size()<< endl;
842 yygao 1.9
843 yygao 1.19 // ==== If it is MC, analyze the res/pull of the unsplit vertexColl first
844     if(MC){
845     // make a list of primary vertices:
846     std::vector<simPrimaryVertex> simpv;
847     simpv=getSimPVs(evtMC,"");
848     // simpv=getSimPVs(evtMC, simVtxs, simTrks);
849     h_gen->Fill1d("nsimPV", simpv.size());
850     nsimPV_ = simpv.size();
851     int isimpv = 0;
852     for(std::vector<simPrimaryVertex>::iterator vsim=simpv.begin();
853     vsim!=simpv.end(); vsim++, isimpv++){
854     nsimTrkPV_[isimpv] =vsim->nGenTrk;
855     simx_[isimpv] = vsim->x;
856     simy_[isimpv] = vsim->y;
857     simz_[isimpv] = vsim->y;
858     simptsq_[isimpv] = vsim->ptsq;
859     //fillMCHisto((std::vector<simPrimaryVertex>::iterator vsim, int isimpv, const reco::VertexCollection *vtxColl, int datatype) {
860     fillMCHisto(vsim, isimpv, vertexColl, 3);
861     }
862     }
863 yygao 1.9
864     // Compare the reconstructed vertex position and calculate resolution/pulls
865     if(matchedVertexColl1->size() != 0 && matchedVertexColl2->size() != 0) {
866 yygao 1.19 // ==== Analyze the splitted vtx using MC method
867     if(MC){
868     // make a list of primary vertices:
869     std::vector<simPrimaryVertex> simpv;
870     simpv=getSimPVs(evtMC,"");
871     // simpv=getSimPVs(evtMC, simVtxs, simTrks);
872     int isimpv = 0;
873     for(std::vector<simPrimaryVertex>::iterator vsim=simpv.begin();
874     vsim!=simpv.end(); vsim++, isimpv++){
875     //fillMCHisto((std::vector<simPrimaryVertex>::iterator vsim, int isimpv, const reco::VertexCollection *vtxColl, int datatype) {
876     fillMCHisto(vsim, isimpv, matchedVertexColl1, 1);
877     fillMCHisto(vsim, isimpv, matchedVertexColl2, 2);
878     }
879     }
880    
881     // ==== Analyze res/pull two-vertex method
882     //fillPvtxHisto(const reco::VertexCollection *vertexColl, int datatype)
883     fillTrackHistoInPV(matchedVertexColl1, 1, beamSpot);
884     fillTrackHistoInPV(matchedVertexColl2, 2, beamSpot);
885 yygao 1.9
886     reco::VertexCollection::const_iterator v1;
887     reco::VertexCollection::const_iterator v2;
888 yygao 1.19
889 yygao 1.9 nrecPV_twovtx_ = 0;
890     for(v1 = matchedVertexColl1->begin(), v2 = matchedVertexColl2->begin();
891     v1!=matchedVertexColl1->end(), v2 != matchedVertexColl2->end();
892 yygao 1.17 ++v1, ++v2) {
893     h_misc->Fill1d("ndofPVDiff", v1->ndof() - v2->ndof());
894     h_misc->Fill1d("ndofPVRelDiff", (v1->ndof()-v2->ndof())/(v1->ndof()+v2->ndof()));
895 yygao 1.9 fres_[0] = (v1->x()-v2->x())/sqrt(2.0);
896     fres_[1] = (v1->y()-v2->y())/sqrt(2.0);
897     fres_[2] = (v1->z()-v2->z())/sqrt(2.0);
898     ferror_[0] = sqrt(pow(v1->xError(),2)+pow(v2->xError(),2))/sqrt(2);
899     ferror_[1] = sqrt(pow(v1->yError(),2)+pow(v2->yError(),2))/sqrt(2);
900     ferror_[2] = sqrt(pow(v1->zError(),2)+pow(v2->zError(),2))/sqrt(2);
901    
902 yygao 1.21 int nTrkPV1, nTrkPV2;
903     if(useHWTrk_) {
904     nTrkPV1 = nHWTrkRecVtx(*v1);
905     nTrkPV2 = nHWTrkRecVtx(*v2);
906     }
907     else {
908     nTrkPV1 = v1->tracksSize();
909     nTrkPV2 = v2->tracksSize();
910     }
911    
912     fntrk_ = (nTrkPV1 + nTrkPV2)/2;
913    
914 jengbou 1.13 h_summary->Fill1d("deltax", fres_[0] );
915     h_summary->Fill1d("deltay", fres_[1] );
916     h_summary->Fill1d("deltaz", fres_[2] );
917     h_summary->Fill1d("pullx", fres_[0]/ferror_[0]);
918     h_summary->Fill1d("pully", fres_[1]/ferror_[1]);
919     h_summary->Fill1d("pullz", fres_[2]/ferror_[2]);
920     h_summary->Fill1d("errPVx", ferror_[0] );
921     h_summary->Fill1d("errPVy", ferror_[1] );
922     h_summary->Fill1d("errPVz", ferror_[2] );
923 yygao 1.9 pvinfo.push_back(PVStudy::PVInfo(res(fres_[0], fres_[1], fres_[2]),
924     error(ferror_[0], ferror_[1], ferror_[2]),
925     fntrk_));
926     // Fill histo according to its track multiplicity, set datamode = 0 for pvtx using all tracks
927     fillHisto(res(fres_[0], fres_[1], fres_[2]),
928     error(ferror_[0], ferror_[1], ferror_[2]),
929     fntrk_,0);
930 yygao 1.19
931 yygao 1.9 // Fill the ntuple variables
932     nTrkPV_twovtx_[nrecPV_twovtx_] = fntrk_;
933     deltax_twovtx_[nrecPV_twovtx_] = fres_[0];
934     deltay_twovtx_[nrecPV_twovtx_] = fres_[1];
935     deltaz_twovtx_[nrecPV_twovtx_] = fres_[2];
936     errx_twovtx_[nrecPV_twovtx_] = ferror_[0];
937     erry_twovtx_[nrecPV_twovtx_] = ferror_[1];
938     errz_twovtx_[nrecPV_twovtx_] = ferror_[2];
939     pullx_twovtx_[nrecPV_twovtx_] = fres_[0]/ferror_[0];
940     pully_twovtx_[nrecPV_twovtx_] = fres_[1]/ferror_[1];
941     pullz_twovtx_[nrecPV_twovtx_] = fres_[2]/ferror_[2];
942 yygao 1.19
943    
944     //SplittedVertex
945 yygao 1.21 nTrkPV1_spl_twovtx_[nrecPV_twovtx_] = nTrkPV1;
946 yygao 1.19 ndofPV1_spl_twovtx_[nrecPV_twovtx_] = v1->ndof();
947     normchi2PV1_spl_twovtx_[nrecPV_twovtx_] = v1->normalizedChi2();
948     avgPtPV1_spl_twovtx_[nrecPV_twovtx_] = avgPtRecVtx(*v1);
949     errx1_spl_twovtx_[nrecPV_twovtx_] = v1->xError();
950     erry1_spl_twovtx_[nrecPV_twovtx_] = v1->yError();
951     errz1_spl_twovtx_[nrecPV_twovtx_] = v1->zError();
952 yygao 1.21
953     nTrkPV2_spl_twovtx_[nrecPV_twovtx_] = nTrkPV2;
954 yygao 1.19 ndofPV2_spl_twovtx_[nrecPV_twovtx_] = v2->ndof();
955     normchi2PV2_spl_twovtx_[nrecPV_twovtx_] = v2->normalizedChi2();
956     avgPtPV2_spl_twovtx_[nrecPV_twovtx_] = avgPtRecVtx(*v2);
957     errx2_spl_twovtx_[nrecPV_twovtx_] = v2->xError();
958     erry2_spl_twovtx_[nrecPV_twovtx_] = v2->yError();
959     errz2_spl_twovtx_[nrecPV_twovtx_] = v2->zError();
960    
961 yygao 1.9 nrecPV_twovtx_++;
962 yygao 1.19
963     // Print some information of the two tracks events
964     if(verbose_ && fntrk_ < 4) {
965     cout<<"Printing matchedVertexColl1 for low ntrack bins"<<endl;
966     printRecVtx(*v1);
967     cout<<"Printing matchedVertexColl1 for low ntrack bins"<<endl;
968     printRecVtx(*v2);
969 yygao 1.17 }
970 yygao 1.19 } // End of analyzing res/pull
971 yygao 1.9 } // End of if(matchedVertexColl1->size() == 1 && matchedVertexColl2->size() == 1 ) {
972     else
973 jengbou 1.14 edm::LogInfo("Debug")<<"[PVStudy] WARNING: Cannot find matching pvtxs"<<endl;
974 yygao 1.9
975 jengbou 1.14 edm::LogInfo("Debug")<<"[PVStudy] End analyzing the matchedVertexColl"<<endl;
976 yygao 1.7
977 yygao 1.17
978 yygao 1.19 //========================================================================
979     // Step 5: Fill ntuple if saventuple_ is on
980     //========================================================================
981 yygao 1.9 if(saventuple_) {
982     ftree_->Fill();
983     pvtxtree_->Fill();
984     }
985 yygao 1.17
986 jengbou 1.1 }
987    
988 yygao 1.17
989    
990 jengbou 1.1 // ------------ method called once each job just before starting event loop ------------
991     void
992     PVStudy::beginJob()
993     {
994     }
995    
996     // ------------ method called once each job just after ending the event loop ------------
997     void
998     PVStudy::endJob() {
999 jengbou 1.14 edm::LogInfo("Analysis") << "[endJob] Analyzing PV info" << endl;
1000 yygao 1.7 // Looping through the datamodes available
1001     for (vector<int>::const_iterator it= datamode.begin(); it != datamode.end() ; ++it) {
1002     string suffix;
1003 jengbou 1.14 edm::LogInfo("Analysis")<<"[endJob] datamode = "<< *it<<endl;
1004 yygao 1.7 switch(*it) {
1005     case 0: suffix = "";
1006     break;
1007     case 1: suffix = "_spl1_mct";
1008     break;
1009     case 2: suffix = "_spl2_mct";
1010     break;
1011     case 3: suffix = "_mct";
1012     break;
1013     }
1014 jengbou 1.14 suffix += "_nTrk";
1015 yygao 1.9 if(analyze_) {
1016 jengbou 1.8 for (int ntrk=nTrkMin_;ntrk<=nTrkMax_;++ntrk) {
1017 jengbou 1.14 edm::LogInfo("Analysis") << "[endJob] ntrk = " << ntrk << endl;
1018 jengbou 1.8 PVStudy::PVAnaInfo ipv = GetPVAnaInfo(ntrk,*it);
1019 jengbou 1.14 if ( ipv.res_.x() > 0 ) h_ana->Fill2d("resx"+suffix, ntrk,ipv.res_.x());
1020     if ( ipv.res_.y() > 0 ) h_ana->Fill2d("resy"+suffix, ntrk,ipv.res_.y());
1021     if ( ipv.res_.z() > 0 ) h_ana->Fill2d("resz"+suffix, ntrk,ipv.res_.z());
1022     if ( ipv.pull_.x() > 0 ) h_ana->Fill2d("pullx"+suffix, ntrk,ipv.pull_.x());
1023     if ( ipv.pull_.y() > 0 ) h_ana->Fill2d("pully"+suffix, ntrk,ipv.pull_.y());
1024     if ( ipv.pull_.z() > 0 ) h_ana->Fill2d("pullz"+suffix, ntrk,ipv.pull_.z());
1025 jengbou 1.2 }
1026 jengbou 1.14 }
1027 yygao 1.7 suffix.clear();
1028 jengbou 1.1 }
1029 jengbou 1.8 if(saventuple_) {
1030     file_->cd();
1031     ftree_->Write();
1032 yygao 1.9 pvtxtree_->Write();
1033 jengbou 1.8 file_->Close();
1034     }
1035 yygao 1.17
1036    
1037 jengbou 1.1 }
1038    
1039 yygao 1.7 // Match a recovertex with a simvertex
1040     // ? Should the cut be parameter dependent?
1041     // cut can be within n sigma of the vertex.zerror()
1042 jengbou 1.1 bool PVStudy::matchVertex(const PVStudy::simPrimaryVertex & vsim,
1043     const reco::Vertex & vrec)
1044     {
1045 yygao 1.17 if(vrec.isFake() || !vrec.isValid()) return false;
1046     else
1047 yygao 1.19 return true;
1048     //return (fabs(vsim.z-vrec.z())<0.0500); // =500um // remove this hard cut
1049 jengbou 1.1 }
1050    
1051 yygao 1.7 // Match two reconstructed vertices
1052 yygao 1.9 bool PVStudy::matchVertex( const reco::VertexRef & vrec1,
1053     const reco::VertexRef & vrec2,
1054     int zsigncut)
1055 yygao 1.7 {
1056 yygao 1.9 double cut = zsigncut*max(vrec1->zError(), vrec2->zError());
1057 jengbou 1.14 edm::LogInfo("Debug")<<"[matchVertex] The matching criteria in z is "<<cut<<endl;
1058 yygao 1.9 return (fabs(vrec1->z()-vrec2->z())<cut);
1059 yygao 1.7 }
1060    
1061    
1062 jengbou 1.1 bool PVStudy::isResonance(const HepMC::GenParticle * p){
1063     double ctau=(pdt->particle( abs(p->pdg_id()) ))->lifetime();
1064 jengbou 1.14 edm::LogInfo("Debug") << "[isResonance] isResonance " << p->pdg_id() << " " << ctau << endl;
1065 jengbou 1.1 return ctau >0 && ctau <1e-6;
1066     }
1067    
1068     bool PVStudy::isFinalstateParticle(const HepMC::GenParticle * p){
1069     return ( !p->end_vertex() && p->status()==1 );
1070     }
1071    
1072     bool PVStudy::isCharged(const HepMC::GenParticle * p){
1073     const ParticleData * part = pdt->particle( p->pdg_id() );
1074     if (part){
1075     return part->charge()!=0;
1076     }else{
1077     // the new/improved particle table doesn't know anti-particles
1078     return pdt->particle( -p->pdg_id() )!=0;
1079     }
1080     }
1081    
1082     void PVStudy::printSimVtxs(const Handle<SimVertexContainer> simVtxs){
1083     int i=0;
1084     for(SimVertexContainer::const_iterator vsim=simVtxs->begin();
1085     vsim!=simVtxs->end(); ++vsim){
1086     cout << i++ << ")" << scientific
1087     << " evtid=" << vsim->eventId().event()
1088     << " sim x=" << vsim->position().x()
1089     << " sim y=" << vsim->position().y()
1090     << " sim z=" << vsim->position().z()
1091     << " sim t=" << vsim->position().t()
1092     << " parent=" << vsim->parentIndex()
1093     << endl;
1094     }
1095     }
1096    
1097     void PVStudy::printRecVtxs(const Handle<reco::VertexCollection> recVtxs){
1098     int ivtx=0;
1099     for(reco::VertexCollection::const_iterator v=recVtxs->begin();
1100     v!=recVtxs->end(); ++v){
1101     cout << "Recvtx "<< std::setw(3) << std::setfill(' ')<<ivtx++
1102     << "#trk " << std::setw(3) << v->tracksSize()
1103     << " chi2 " << std::setw(4) << v->chi2()
1104     << " ndof " << std::setw(3) << v->ndof() << endl
1105     << " x " << std::setw(8) <<std::fixed << std::setprecision(4) << v->x()
1106     << " dx " << std::setw(8) << v->xError()<< endl
1107     << " y " << std::setw(8) << v->y()
1108     << " dy " << std::setw(8) << v->yError()<< endl
1109     << " z " << std::setw(8) << v->z()
1110     << " dz " << std::setw(8) << v->zError()
1111     << endl;
1112     }
1113     }
1114    
1115 yygao 1.19 void PVStudy::printRecVtx(const reco::Vertex & v){
1116    
1117     cout << "#trk " << std::setw(3) << v.tracksSize()
1118     << " chi2 " << std::setw(4) << v.chi2()
1119     << " ndof " << std::setw(3) << v.ndof() << endl
1120     << " x " << std::setw(8) <<std::fixed << std::setprecision(4) << v.x()
1121     << " dx " << std::setw(8) << v.xError()<< endl
1122     << " y " << std::setw(8) << v.y()
1123     << " dy " << std::setw(8) << v.yError()<< endl
1124     << " z " << std::setw(8) << v.z()
1125     << " dz " << std::setw(8) << v.zError()
1126     << endl;
1127     }
1128    
1129 jengbou 1.1 void PVStudy::printSimTrks(const Handle<SimTrackContainer> simTrks){
1130     cout << " simTrks type, (momentum), vertIndex, genpartIndex" << endl;
1131     int i=1;
1132     for(SimTrackContainer::const_iterator t=simTrks->begin();
1133     t!=simTrks->end(); ++t){
1134     //HepMC::GenParticle* gp=evtMC->GetEvent()->particle( (*t).genpartIndex() );
1135     cout << i++ << ")"
1136     << (*t)
1137     << " index="
1138     << (*t).genpartIndex();
1139     //if (gp) {
1140     // HepMC::GenVertex *gv=gp->production_vertex();
1141     // cout << " genvertex =" << (*gv);
1142     //}
1143     cout << endl;
1144     }
1145     }
1146    
1147 yygao 1.7 void PVStudy::fillHisto(res r, error er, int ntk, int datamode){
1148 jengbou 1.3 stringstream ss;
1149     ss << ntk;
1150 jengbou 1.14 string suffix;
1151     if(datamode == 0 ) suffix = "_" + ss.str();
1152     if(datamode == 1 ) suffix = "_spl1_mct_" + ss.str();
1153     if(datamode == 2 ) suffix = "_spl2_mct_" + ss.str();
1154     if(datamode == 3 ) suffix = "_mct_" + ss.str();
1155 yygao 1.7
1156 jengbou 1.3 if (ntk < nTrkMin_ || ntk > nTrkMax_ ) return;
1157     // Fill histograms of res and pull of ntk
1158 jengbou 1.13 h_others->Fill1d("deltax"+suffix, r.x());
1159     h_others->Fill1d("deltay"+suffix, r.y());
1160     h_others->Fill1d("deltaz"+suffix, r.z());
1161     h_others->Fill1d("pullx"+suffix, r.x()/er.x());
1162     h_others->Fill1d("pully"+suffix, r.y()/er.y());
1163     h_others->Fill1d("pullz"+suffix, r.z()/er.z());
1164     h_others->Fill1d("errPVx"+suffix, er.x());
1165     h_others->Fill1d("errPVy"+suffix, er.y());
1166     h_others->Fill1d("errPVz"+suffix, er.z());
1167 jengbou 1.3 }
1168    
1169 yygao 1.17
1170 yygao 1.7 PVStudy::PVAnaInfo PVStudy::GetPVAnaInfo(int ntk, int datamode) {
1171 jengbou 1.1 map<int,double> data;
1172 jengbou 1.2 data.clear();
1173 jengbou 1.4 double fpar[2] = {-999,-999};
1174 jengbou 1.1 double cm2um = 10000;
1175     stringstream ss;
1176     ss << ntk;
1177 yygao 1.7 string suffix = ss.str();
1178     if(datamode == 0 ) suffix = "_" + suffix;
1179     if(datamode == 1 ) suffix = "_spl1_mct_" + suffix;
1180     if(datamode == 2 ) suffix = "_spl2_mct_" + suffix;
1181     if(datamode == 3 ) suffix = "_mct_" + suffix;
1182    
1183 jengbou 1.3 if(analyze_) {
1184     for ( int i = 0; i < 6; ++i) {
1185     switch (i) {
1186     case 0:
1187 jengbou 1.13 if (!h_others->ReadHisto1D("deltax"+suffix)) break;
1188     fit(h_others->ReadHisto1D("deltax"+suffix), fpar);
1189 jengbou 1.3 data[i] = fpar[0]*cm2um;
1190     break;
1191     case 1:
1192 jengbou 1.13 if (!h_others->ReadHisto1D("deltay"+suffix)) break;
1193     fit(h_others->ReadHisto1D("deltay"+suffix), fpar);
1194 jengbou 1.3 data[i] = fpar[0]*cm2um;
1195     break;
1196     case 2:
1197 jengbou 1.13 if (!h_others->ReadHisto1D("deltaz"+suffix)) break;
1198     fit(h_others->ReadHisto1D("deltaz"+suffix), fpar);
1199 jengbou 1.3 data[i] = fpar[0]*cm2um;
1200     break;
1201     case 3:
1202 jengbou 1.13 if (!h_others->ReadHisto1D("pullx"+suffix)) break;
1203     fit(h_others->ReadHisto1D("pullx"+suffix), fpar);
1204 jengbou 1.3 data[i] = fpar[0];
1205     break;
1206     case 4:
1207 jengbou 1.13 if (!h_others->ReadHisto1D("pully"+suffix)) break;
1208     fit(h_others->ReadHisto1D("pully"+suffix), fpar);
1209 jengbou 1.3 data[i] = fpar[0];
1210     break;
1211     case 5:
1212 jengbou 1.13 if (!h_others->ReadHisto1D("pullz"+suffix)) break;
1213     fit(h_others->ReadHisto1D("pullz"+suffix), fpar);
1214 jengbou 1.3 data[i] = fpar[0];
1215     break;
1216 jengbou 1.1 }
1217 jengbou 1.14 if (data[i] > 0) edm::LogInfo("Analysis") << "[Analysis] data[" << i << "] = " << data[i] << (i<3?" micro m":" ") << endl;
1218 jengbou 1.1 }
1219 jengbou 1.3 }
1220     else
1221     for ( int i = 0; i < 6; ++i) {
1222     data[i] = -999;
1223 jengbou 1.1 }
1224    
1225 jengbou 1.3 return PVStudy::PVAnaInfo(res(data[0], data[1], data[2]),
1226     error(0.,0.,0.),
1227     pull(data[3], data[4], data[5]),
1228     error(0.,0.,0.),
1229 jengbou 1.1 ntk);
1230     }
1231    
1232 yygao 1.17
1233 jengbou 1.13 void PVStudy::fit(TH1 *hdist, double fitPars[]){
1234 jengbou 1.3 TAxis *axis0 = hdist->GetXaxis();
1235     int nbin = axis0->GetLast();
1236     double nOF = hdist->GetBinContent(nbin+1);
1237     double nUF = hdist->GetBinContent(0);
1238 jengbou 1.4 // double fitRange = axis0->GetBinUpEdge(nbin);
1239 yygao 1.17 // double fitRange = axis0->GetXmax();
1240     double fitRange = 2*hdist->GetRMS();
1241 jengbou 1.5 double sigMax[2] = {0.,0.};
1242 jengbou 1.4
1243 jengbou 1.14 edm::LogInfo("Analysis") << "[Fit] Last bin = " << nbin
1244     << "; hdist: Overflow Entries = " << nOF
1245     << "; Underflow Entries = " << nUF
1246     << "; hdist->GetEntries() = " << hdist->GetEntries()
1247     << "; fitting range = " << -fitRange << " to " << fitRange << endl;
1248    
1249 jengbou 1.4 if (hdist->GetEntries() - nOF - nUF >= 10) { // FIXME: for reasonable Gaussian fit
1250     for (int bi = 0; bi < nbin; bi++) {
1251     if ( (axis0->GetBinLowEdge(bi) < 0) && (hdist->GetBinContent(bi) > 0) ) {
1252     sigMax[0] = axis0->GetBinLowEdge(bi);
1253 jengbou 1.5 if ( abs(sigMax[0]) > abs(sigMax[1]) ) sigMax[1] = abs(sigMax[0]);
1254 jengbou 1.4 }
1255     if ( (axis0->GetBinLowEdge(bi) >= 0) && (hdist->GetBinContent(bi) > 0) ) {
1256 jengbou 1.5 sigMax[0] = axis0->GetBinUpEdge(bi);
1257     if ( abs(sigMax[0]) > abs(sigMax[1]) ) sigMax[1] = abs(sigMax[0]);
1258 jengbou 1.4 }
1259     }
1260 jengbou 1.14 //edm::LogInfo("Analysis") << "[Fit] Fit sigMax = " << sqrt(2.)*sigMax[1] << endl;
1261 jengbou 1.4
1262     TF1 *fgaus = new TF1("fgaus","gaus",-fitRange, fitRange);
1263     fgaus->SetParameter(1, 0.);
1264 yygao 1.17 fgaus->SetParLimits(1, -fitRange/10., fitRange/10.);
1265 jengbou 1.5 fgaus->SetParLimits(2, 0., sqrt(2.)*sigMax[1]);
1266 jengbou 1.4 fgaus->SetLineColor(4);
1267 jengbou 1.16 hdist->Fit(fgaus,"QLRM");
1268 jengbou 1.4 gPad->Update();
1269     TPaveStats *s = (TPaveStats*) hdist->GetListOfFunctions()->FindObject("stats");
1270     s->SetOptStat(1111111);
1271     s->SetOptFit(0111);
1272     gPad->Update();
1273 jengbou 1.14 //edm::LogInfo("Analysis") << "[Fit] got function" << endl;
1274 jengbou 1.4 fitPars[0] = ((fgaus->GetParameter(2))?fgaus->GetParameter(2):-999);
1275 jengbou 1.3 }
1276 jengbou 1.4 else
1277     fitPars[0] = -999;
1278 jengbou 1.3 }
1279    
1280 yygao 1.17
1281     void PVStudy::fillTrackHisto(const reco::TrackCollection *trackColl, int datatype, const Point & bs) {
1282 yygao 1.9 string suffix;
1283     suffix = ""; // for unsplit tracks
1284     if(datatype == 1) suffix = "1_spl"; // for splittracks 1
1285     if(datatype == 2) suffix = "2_spl"; // for splittracks 2
1286    
1287 jengbou 1.13 h_pvtrk->Fill1d("nTrk"+suffix, trackColl->size());
1288 yygao 1.9 for(reco::TrackCollection::const_iterator itTrack = trackColl->begin();
1289     itTrack != trackColl->end();
1290     ++itTrack) {
1291 jengbou 1.13 h_pvtrk->Fill1d("trkPt"+suffix, itTrack->pt());
1292     h_pvtrk->Fill1d("trkDxy"+suffix, itTrack->dxy());
1293 yygao 1.17 h_pvtrk->Fill1d("trkDxyCorr"+suffix, itTrack->dxy(bs));
1294 jengbou 1.13 h_pvtrk->Fill1d("trkDz"+suffix, itTrack->dz());
1295     h_pvtrk->Fill1d("trkEta"+suffix, itTrack->eta());
1296     h_pvtrk->Fill1d("trkPhi"+suffix, itTrack->phi());
1297 yygao 1.9 }
1298     }
1299    
1300 yygao 1.19 void PVStudy::fillTrackHistoInPV(const reco::VertexCollection *vertexColl, int datatype, const Point & bs) {
1301 yygao 1.9 string suffix;
1302     suffix = ""; // for unsplit tracks
1303     if(datatype == 1) suffix = "1_spl"; // for splittracks 1
1304     if(datatype == 2) suffix = "2_spl"; // for splittracks 2
1305     int ivtx = 0;
1306     for(reco::VertexCollection::const_iterator v=vertexColl->begin();
1307     v!=vertexColl->end(); ++v, ++ivtx) {
1308 yygao 1.19 if(!v->isFake()) {
1309     h_pvtrk->Fill1d("nTrkPV"+suffix, vertexColl->begin()->tracksSize());
1310 yygao 1.21 h_pvtrk->Fill1d("ndofPV"+suffix, vertexColl->begin()->ndof());
1311     h_pvtrk->Fill1d("nHWTrkPV"+suffix, nHWTrkRecVtx(*v));
1312 yygao 1.19 try {
1313     for(reco::Vertex::trackRef_iterator t = vertexColl->begin()->tracks_begin();
1314     t!=vertexColl->begin()->tracks_end(); t++) {
1315     // illegal charge
1316     if ( (**t).charge() < -1 || (**t).charge() > 1 ) {
1317     // h_pvtrk->Fill1d("trkPtPV", 0.);
1318     }
1319     else {
1320     h_pvtrk->Fill1d("trkPtPV"+suffix, (**t).pt());
1321     h_pvtrk->Fill1d("trkDxyPV"+suffix, (**t).dxy());
1322     h_pvtrk->Fill1d("trkDxyCorrPV"+suffix, (**t).dxy(bs));
1323     h_pvtrk->Fill1d("trkDzPV"+suffix, (**t).dz());
1324     h_pvtrk->Fill1d("trkEtaPV"+suffix, (**t).eta());
1325     h_pvtrk->Fill1d("trkPhiPV"+suffix, (**t).phi());
1326     }
1327     }
1328 yygao 1.9 }
1329 yygao 1.19 catch (...) {
1330     // exception thrown when trying to use linked track
1331     // h_pvtrk->Fill1d("trkPtPV", 0.);
1332 yygao 1.11 }
1333 yygao 1.9 }
1334 yygao 1.10 }
1335 yygao 1.9 }
1336    
1337     void PVStudy::fillMCHisto(std::vector<simPrimaryVertex>::iterator vsim, int isimpv, const reco::VertexCollection *vtxColl, int datatype)
1338     {
1339     std::string suffix;
1340     // Set the vertexColl and histogram suffix according to datamode
1341     if (datatype == 1) {
1342     suffix = "_spl1_mct";
1343     nrecPV_spl1_mct_ = 0;
1344     }
1345     if (datatype == 2) {
1346     suffix = "_spl2_mct";
1347     nrecPV_spl2_mct_ = 0;
1348     }
1349     if (datatype == 3) {
1350     suffix = "_mct";
1351     nrecPV_mct_ = 0;
1352     }
1353 yygao 1.21
1354 yygao 1.9 //========================================================
1355 yygao 1.21 // For each simulated vertex, look for a match in the vertexColl
1356     // If more than 1 recVtx is found, use the one with closest in Z
1357     //========================================================
1358    
1359     // === look for a matching reconstructed vertex in vertexColl
1360 yygao 1.9 for(reco::VertexCollection::const_iterator vrec=vtxColl->begin();
1361     vrec!=vtxColl->end(); ++vrec){
1362     vsim->recVtx=NULL;
1363 jengbou 1.14 edm::LogInfo("Debug") << "[fillMCHisto] sim primary vertex x = " << vsim->x << "; y = " << vsim->y << "; z = " << vsim->z << endl;
1364     edm::LogInfo("Debug") << "[fillMCHisto] Is matched? " << (matchVertex(*vsim,*vrec)?"Yes":"No") << endl;
1365 yygao 1.21
1366 yygao 1.17 if ( matchVertex(*vsim,*vrec) ) {
1367 yygao 1.9 vsim->recVtx=&(*vrec);
1368 yygao 1.21 //if the matching critera are fulfilled, accept the rec-vertex that is closest in z
1369 yygao 1.9 //if( ((vsim->recVtx) && (fabs(vsim->recVtx->position().z()-vsim->z)>fabs(vrec->z()-vsim->z)))
1370     //|| (!vsim->recVtx) )
1371     //vsim->recVtx=&(*vrec);
1372     }
1373     }
1374 yygao 1.21
1375     // === If match found fill the residual and pulls
1376     if(vsim->recVtx) {
1377     edm::LogInfo("Debug") <<"[fillMCHisto] primary matched in vertexColl" << vsim->x << " " << vsim->y << " " << vsim->z << endl;
1378     // if study the resolution/pull for all tracks in the PVtx
1379     int nrectrk;
1380    
1381     if(useHWTrk_)
1382     nrectrk=nHWTrkRecVtx(*(vsim->recVtx));
1383     else
1384     nrectrk = int(vsim->recVtx->tracksSize());
1385    
1386     double fres_mct[3];
1387     double ferror_mct[3];
1388    
1389     double ndofPV = vsim->recVtx->ndof();
1390     double normchi2PV = vsim->recVtx->normalizedChi2();
1391     double avgPtPV = avgPtRecVtx(*(vsim->recVtx));
1392    
1393     fres_mct[0] = vsim->recVtx->x()-vsim->x;
1394     fres_mct[1] = vsim->recVtx->y()-vsim->y;
1395     fres_mct[2] = vsim->recVtx->z()-vsim->z;
1396     ferror_mct[0] = vsim->recVtx->xError();
1397     ferror_mct[1] = vsim->recVtx->yError();
1398     ferror_mct[2] = vsim->recVtx->zError();
1399    
1400     h_summary->Fill1d("deltax"+suffix, fres_mct[0] );
1401     h_summary->Fill1d("deltay"+suffix, fres_mct[1] );
1402     h_summary->Fill1d("deltaz"+suffix, fres_mct[2] );
1403     h_summary->Fill1d("pullx"+suffix, fres_mct[0]/ferror_mct[0] );
1404     h_summary->Fill1d("pully"+suffix, fres_mct[1]/ferror_mct[1] );
1405     h_summary->Fill1d("pullz"+suffix, fres_mct[2]/ferror_mct[2] );
1406     h_summary->Fill1d("errPVx"+suffix, ferror_mct[0] );
1407     h_summary->Fill1d("errPVy"+suffix, ferror_mct[1] );
1408     h_summary->Fill1d("errPVz"+suffix, ferror_mct[2] );
1409     pvinfo.push_back(PVStudy::PVInfo(res(fres_mct[0], fres_mct[1], fres_mct[2]),
1410     error(ferror_mct[0], ferror_mct[1], ferror_mct[2]),
1411     nrectrk));
1412     // Fill histo according to its track multiplicity
1413     fillHisto(res(fres_mct[0], fres_mct[1], fres_mct[2]),
1414     error(ferror_mct[0], ferror_mct[1], ferror_mct[2]),
1415     nrectrk, datatype);
1416    
1417     if(saventuple_) {
1418     //Fill the values for variables in pvtxtree_
1419     if(datatype == 1) {
1420     nTrkPV_spl1_mct_[nrecPV_spl1_mct_] = nrectrk;
1421     ndofPV_spl1_mct_[nrecPV_spl1_mct_] = ndofPV;
1422     normchi2PV_spl1_mct_[nrecPV_spl1_mct_] = normchi2PV;
1423     avgPtPV_spl1_mct_[nrecPV_spl1_mct_] = avgPtPV;
1424     deltax_spl1_mct_[nrecPV_spl1_mct_] = fres_mct[0];
1425     deltay_spl1_mct_[nrecPV_spl1_mct_] = fres_mct[1];
1426     deltaz_spl1_mct_[nrecPV_spl1_mct_] = fres_mct[2];
1427     pullx_spl1_mct_[nrecPV_spl1_mct_] = fres_mct[0]/ferror_mct[0];
1428     pully_spl1_mct_[nrecPV_spl1_mct_] = fres_mct[1]/ferror_mct[1];
1429     pullz_spl1_mct_[nrecPV_spl1_mct_] = fres_mct[2]/ferror_mct[2];
1430     errx_spl1_mct_[nrecPV_spl1_mct_] = ferror_mct[0];
1431     erry_spl1_mct_[nrecPV_spl1_mct_] = ferror_mct[1];
1432     errz_spl1_mct_[nrecPV_spl1_mct_] = ferror_mct[2];
1433     nrecPV_spl1_mct_++;
1434     }
1435     if(datatype == 2) {
1436     nTrkPV_spl2_mct_[nrecPV_spl2_mct_] = nrectrk;
1437     ndofPV_spl2_mct_[nrecPV_spl2_mct_] = ndofPV;
1438     normchi2PV_spl2_mct_[nrecPV_spl2_mct_] = normchi2PV;
1439     avgPtPV_spl2_mct_[nrecPV_spl2_mct_] = avgPtPV;
1440     deltax_spl2_mct_[nrecPV_spl2_mct_] = fres_mct[0];
1441     deltay_spl2_mct_[nrecPV_spl2_mct_] = fres_mct[1];
1442     deltaz_spl2_mct_[nrecPV_spl2_mct_] = fres_mct[2];
1443     pullx_spl2_mct_[nrecPV_spl2_mct_] = fres_mct[0]/ferror_mct[0];
1444     pully_spl2_mct_[nrecPV_spl2_mct_] = fres_mct[1]/ferror_mct[1];
1445     pullz_spl2_mct_[nrecPV_spl2_mct_] = fres_mct[2]/ferror_mct[2];
1446     errx_spl2_mct_[nrecPV_spl2_mct_] = ferror_mct[0];
1447     erry_spl2_mct_[nrecPV_spl2_mct_] = ferror_mct[1];
1448     errz_spl2_mct_[nrecPV_spl2_mct_] = ferror_mct[2];
1449     nrecPV_spl2_mct_++;
1450     }
1451     if(datatype == 3) {
1452     nTrkPV_mct_[nrecPV_mct_] = nrectrk;
1453     ndofPV_mct_[nrecPV_mct_] = ndofPV;
1454     normchi2PV_mct_[nrecPV_mct_] = normchi2PV;
1455     avgPtPV_mct_[nrecPV_mct_] = avgPtPV;
1456     deltax_mct_[nrecPV_mct_] = fres_mct[0];
1457     deltay_mct_[nrecPV_mct_] = fres_mct[0];
1458     deltaz_mct_[nrecPV_mct_] = fres_mct[0];
1459     pullx_mct_[nrecPV_mct_] = fres_mct[0]/ferror_mct[0];
1460     pully_mct_[nrecPV_mct_] = fres_mct[1]/ferror_mct[1];
1461     pullz_mct_[nrecPV_mct_] = fres_mct[2]/ferror_mct[2];
1462     errx_mct_[nrecPV_mct_] = ferror_mct[0];
1463     erry_mct_[nrecPV_mct_] = ferror_mct[1];
1464     errz_mct_[nrecPV_mct_] = ferror_mct[2];
1465     nrecPV_mct_++;
1466     }
1467     } // End of if(saventuple_) {
1468     } // if ( matchVertex(*vsim,*vrec) ) {
1469     else { // no rec vertex found for this simvertex
1470     edm::LogInfo("Debug") <<"[fillMCHisto] primary not found " << vsim->x << " " << vsim->y << " " << vsim->z << " nGenTrk=" << vsim->nGenTrk << endl;
1471     }
1472 yygao 1.9 }
1473    
1474 yygao 1.21
1475 yygao 1.7 void PVStudy::SetVarToZero() {
1476     fntrk_ = 0;
1477     //pvtx position (x,y,z) residual and error
1478 yygao 1.9 for(int i = 0; i<3;i++) {
1479 jengbou 1.13 fres_[i] = 0;
1480     ferror_[i] = 0;
1481 yygao 1.9 }
1482    
1483 yygao 1.19 // Event level information
1484     glob_runno_ = 0;
1485     glob_evtno_ = 0;
1486     glob_ls_ = 0;
1487     glob_bx_ = 0;
1488 yygao 1.9 nrecPV_ = 0;
1489     nrecPV1_spl_ = 0;
1490     nrecPV2_spl_ = 0;
1491     nrecPV_twovtx_ = 0;
1492     nsimPV_ = 0;
1493 yygao 1.10
1494 yygao 1.9 nrecPV_mct_ = 0;
1495     nrecPV_spl1_mct_ = 0;
1496     nrecPV_spl2_mct_ = 0;
1497    
1498 yygao 1.10 // Mininum separation between the secondary pvtxes and leading pvtx
1499     min_zsep_ = 9999.0;
1500     min_ntrksep_ = 9999.0;
1501     min_sumpt2sep_ = -9999.0;
1502    
1503 yygao 1.19 // Variables filled per Vertex
1504 yygao 1.9 for (int i = 0; i < nMaxPVs_; i++) {
1505 yygao 1.10 // matched two-vertices
1506 yygao 1.9 nTrkPV1_spl_twovtx_[i] = 0;
1507 yygao 1.19 ndofPV1_spl_twovtx_[i] = 0;
1508     normchi2PV1_spl_twovtx_[i] = 0;
1509     avgPtPV1_spl_twovtx_[i] = 0;
1510     errx1_spl_twovtx_[i] = 0;
1511     erry1_spl_twovtx_[i] = 0;
1512     errz1_spl_twovtx_[i] = 0;
1513    
1514 yygao 1.9 nTrkPV2_spl_twovtx_[i] = 0;
1515 yygao 1.19 ndofPV2_spl_twovtx_[i] = 0;
1516     normchi2PV2_spl_twovtx_[i] = 0;
1517     avgPtPV2_spl_twovtx_[i] = 0;
1518     errx2_spl_twovtx_[i] = 0;
1519     erry2_spl_twovtx_[i] = 0;
1520     errz2_spl_twovtx_[i] = 0;
1521    
1522 yygao 1.9 deltax_twovtx_[i] = 0;
1523     deltay_twovtx_[i] = 0;
1524     deltaz_twovtx_[i] = 0;
1525     errx_twovtx_[i] = 0;
1526     erry_twovtx_[i] = 0;
1527     errz_twovtx_[i] = 0;
1528     pullx_twovtx_[i] = 0;
1529     pully_twovtx_[i] = 0;
1530     pullz_twovtx_[i] = 0;
1531    
1532 yygao 1.10 //simpv
1533 yygao 1.9 nsimTrkPV_[i] = 0;
1534     simx_[i] = 0;
1535     simy_[i] = 0;
1536     simz_[i] = 0;
1537     simptsq_[i] = 0;
1538    
1539 yygao 1.10 // residual and pulls with mc truth required
1540 yygao 1.9 deltax_mct_[i] = 0;
1541     deltay_mct_[i] = 0;
1542     deltaz_mct_[i] = 0;
1543     pullx_mct_[i] = 0;
1544     pully_mct_[i] = 0;
1545     pullz_mct_[i] = 0;
1546 yygao 1.19 nTrkPV_mct_[i] = 0;
1547     ndofPV_mct_[i] = 0;
1548     normchi2PV_mct_[i] = 0;
1549     avgPtPV_mct_[i] = 0;
1550     errx_mct_[i] = 0;
1551     erry_mct_[i] = 0;
1552     errz_mct_[i] = 0;
1553    
1554 yygao 1.9 deltax_spl1_mct_[i] = 0;
1555     deltay_spl1_mct_[i] = 0;
1556     deltaz_spl1_mct_[i] = 0;
1557     pullx_spl1_mct_[i] = 0;
1558     pully_spl1_mct_[i] = 0;
1559     pullz_spl1_mct_[i] = 0;
1560 yygao 1.19 nTrkPV_spl1_mct_[i] = 0;
1561     ndofPV_spl1_mct_[i] = 0;
1562     normchi2PV_spl1_mct_[i] = 0;
1563     avgPtPV_spl1_mct_[i] = 0;
1564     errx_spl1_mct_[i] = 0;
1565     erry_spl1_mct_[i] = 0;
1566     errz_spl1_mct_[i] = 0;
1567    
1568 yygao 1.9 deltax_spl2_mct_[i] = 0;
1569     deltay_spl2_mct_[i] = 0;
1570     deltaz_spl2_mct_[i] = 0;
1571     pullx_spl2_mct_[i] = 0;
1572     pully_spl2_mct_[i] = 0;
1573     pullz_spl2_mct_[i] = 0;
1574 yygao 1.19 nTrkPV_spl2_mct_[i] = 0;
1575     ndofPV_spl2_mct_[i] = 0;
1576     normchi2PV_spl2_mct_[i] = 0;
1577     avgPtPV_spl2_mct_[i] = 0;
1578     errx_spl2_mct_[i] = 0;
1579     erry_spl2_mct_[i] = 0;
1580     errz_spl2_mct_[i] = 0;
1581    
1582 yygao 1.9 }
1583 yygao 1.7 }
1584    
1585 yygao 1.9 double PVStudy::sumPtSquared(const reco::Vertex & v) {
1586 yygao 1.19 if(v.isFake() || (!v.isValid()) || v.tracksSize() == 0) return 0.0;
1587     else {
1588     double sum = 0.;
1589     double pT;
1590     for (reco::Vertex::trackRef_iterator it = v.tracks_begin(); it != v.tracks_end(); it++) {
1591     pT = (**it).pt();
1592     sum += pT*pT;
1593     }
1594     return sum;
1595     }
1596     }
1597    
1598    
1599    
1600     double PVStudy::avgPtRecVtx(const reco::Vertex & v) {
1601    
1602     if(v.isFake() || !v.isValid() || v.tracksSize()==0 ) return 0;
1603     else {
1604 yygao 1.21 int nHWTrk = 0;
1605 yygao 1.19 double sumpT = 0.;
1606     for (reco::Vertex::trackRef_iterator it = v.tracks_begin(); it != v.tracks_end(); it++) {
1607 yygao 1.21 if(v.trackWeight(*it) > 0.5 ) {
1608     sumpT += (**it).pt();
1609     nHWTrk++;
1610     }
1611 yygao 1.19 }
1612 yygao 1.21 if(nHWTrk > 0)
1613     return sumpT/double(nHWTrk);
1614     else
1615     return 0;
1616 yygao 1.9 }
1617     }
1618 yygao 1.10
1619 yygao 1.21 int PVStudy::nHWTrkRecVtx(const reco::Vertex & v) {
1620     int nHWTrkPV = 0;
1621     for (reco::Vertex::trackRef_iterator it = v.tracks_begin(); it != v.tracks_end(); it++) {
1622     if(v.trackWeight(*it) > 0.5)
1623     nHWTrkPV++;
1624     }
1625     return nHWTrkPV;
1626     }