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root/cvsroot/UserCode/grimes/VHbbAnalysisCode/src/LightweightAnalyser.cpp
Revision: 1.4
Committed: Fri Apr 27 13:52:14 2012 UTC (13 years ago) by grimes
Branch: MAIN
Changes since 1.3: +8 -4 lines
Log Message:
Added code to analyse muon isolation.

File Contents

# Content
1 #include "TrkUpgradeAnalysis/VHbb/interface/LightweightAnalyser.h"
2
3 #include <sstream>
4
5 #include "TrkUpgradeAnalysis/VHbb/interface/VHbbCandidateCutSets.h"
6 #include "TrkUpgradeAnalysis/VHbb/interface/AdditionalJetStudyCutSets.h"
7
8 #include "VHbbAnalysis/VHbbDataFormats/interface/VHbbEventAuxInfo.h"
9 #include "VHbbAnalysis/VHbbDataFormats/src/HbbCandidateFinderAlgo.cc" // Not entirely sure why this is included and not linked to
10 #include "DataFormats/FWLite/interface/Event.h"
11 #include "DataFormats/FWLite/interface/Handle.h"
12 #include "DataFormats/PatCandidates/interface/Muon.h"
13
14
15 #include <TFile.h>
16 #include <TH1.h>
17 #include <TH2.h>
18
19
20 const bool trkupgradeanalysis::LightweightAnalyser::verbose_=false;
21 const double trkupgradeanalysis::LightweightAnalyser::jetPtThresholdZ_=20;
22 const double trkupgradeanalysis::LightweightAnalyser::jetPtThresholdW_=20;
23 const bool trkupgradeanalysis::LightweightAnalyser::useHighestPtHiggsZ_=false;
24 const bool trkupgradeanalysis::LightweightAnalyser::useHighestPtHiggsW_=true;
25
26 namespace // Use the unnamed namespace
27 {
28 TDirectory* createDirectory( const std::string& fullPath, TDirectory* pParent )
29 {
30 if( pParent==NULL ) throw std::runtime_error( "The parent directory is a Null pointer" );
31
32 TDirectory* pSubDirectory=pParent;
33 size_t currentPosition=0;
34 size_t nextSlash;
35 do
36 {
37 nextSlash=fullPath.find_first_of('/', currentPosition );
38 std::string directoryName=fullPath.substr(currentPosition,nextSlash-currentPosition);
39 currentPosition=nextSlash+1;
40
41 TDirectory* pNextSubDirectory=pSubDirectory->GetDirectory( directoryName.c_str() );
42 if( pNextSubDirectory==NULL ) pNextSubDirectory=pSubDirectory->mkdir( directoryName.c_str() );
43 if( pNextSubDirectory==NULL ) throw std::runtime_error( "Couldn't create the root directory \""+directoryName+"\"" );
44 pSubDirectory=pNextSubDirectory;
45
46 } while( nextSlash!=std::string::npos );
47
48 return pSubDirectory;
49 }
50 }
51
52 trkupgradeanalysis::LightweightAnalyser::LightweightAnalyser( const std::string& outputFilename )
53 : zFinder_( verbose_, jetPtThresholdZ_, useHighestPtHiggsZ_ ),
54 wFinder_( verbose_, jetPtThresholdW_, useHighestPtHiggsW_ ),
55 numberOfEvents_(0),
56 numberOfEventsWithAtLeastOneZOrWCandidate_(0),
57 pPlotsForEverything_(NULL)
58 {
59 // All of these are empty smart pointers, so I need to call reset on them
60 pOutputFile_.reset( new TFile( outputFilename.c_str(), "RECREATE" ) );
61
62
63 using namespace trkupgradeanalysis; // Don't really need this but I like to be explicit (ooh err..)
64 cutsToApply_.push_back( boost::shared_ptr<VHbbCandidateCutSet>(new SignalSelectionZee(120)) );
65 cutsToApply_.push_back( boost::shared_ptr<VHbbCandidateCutSet>(new SignalSelectionZmumu(120)) );
66 cutsToApply_.push_back( boost::shared_ptr<VHbbCandidateCutSet>(new SignalSelectionWen(120)) );
67 cutsToApply_.push_back( boost::shared_ptr<VHbbCandidateCutSet>(new SignalSelectionWmun(120)) );
68 cutsToApply_.push_back( boost::shared_ptr<VHbbCandidateCutSet>(new SignalSelectionZmumuWithoutAdditionalJetsCut(120)) );
69 cutsToApply_.push_back( boost::shared_ptr<VHbbCandidateCutSet>(new SignalSelectionZmumu(110)) );
70 cutsToApply_.push_back( boost::shared_ptr<VHbbCandidateCutSet>(new SignalSelectionZmumu(115)) );
71 cutsToApply_.push_back( boost::shared_ptr<VHbbCandidateCutSet>(new SignalSelectionZmumu(125)) );
72 cutsToApply_.push_back( boost::shared_ptr<VHbbCandidateCutSet>(new SignalSelectionZmumu(130)) );
73 cutsToApply_.push_back( boost::shared_ptr<VHbbCandidateCutSet>(new SignalSelectionZmumu(135)) );
74 cutsToApply_.push_back( boost::shared_ptr<VHbbCandidateCutSet>(new SignalSelectionZmumu(110-20,135+10)) );
75 cutsToApply_.push_back( boost::shared_ptr<VHbbCandidateCutSet>(new SignalSelectionZmumuWithCSVCutsSwitched(110-20,135+10)) );
76
77 //
78 // These are only temporary while I'm studying the number of additional jets
79 //
80 using namespace trkupgradeanalysis::additionaljetstudy;
81 cutsToApply_.push_back( boost::shared_ptr<VHbbCandidateCutSet>( new WilkenSlide2() ) );
82 cutsToApply_.push_back( boost::shared_ptr<VHbbCandidateCutSet>( new WilkenSlide3Plot1() ) );
83 cutsToApply_.push_back( boost::shared_ptr<VHbbCandidateCutSet>( new WilkenSlide3Plot2() ) );
84 cutsToApply_.push_back( boost::shared_ptr<VHbbCandidateCutSet>( new WilkenSlide3Plot3() ) );
85 cutsToApply_.push_back( boost::shared_ptr<VHbbCandidateCutSet>( new WilkenSlide4Plot2() ) );
86 cutsToApply_.push_back( boost::shared_ptr<VHbbCandidateCutSet>( new WilkenSlide5Plot1() ) );
87 cutsToApply_.push_back( boost::shared_ptr<VHbbCandidateCutSet>( new WilkenSlide5Plot2() ) );
88 cutsToApply_.push_back( boost::shared_ptr<VHbbCandidateCutSet>( new WilkenSlide5Plot2AssumingTypo() ) );
89
90 //
91 // Don't need the following because I'm not studying the background estimation regions
92 //
93
94 //cutsToApply_.push_back( boost::shared_ptr<VHbbCandidateCutSet>(new VlightRegionHWmun) );
95 //cutsToApply_.push_back( boost::shared_ptr<VHbbCandidateCutSet>(new VlightRegionHWen) );
96 //cutsToApply_.push_back( boost::shared_ptr<VHbbCandidateCutSet>(new VlightRegionHZmumu) );
97 //cutsToApply_.push_back( boost::shared_ptr<VHbbCandidateCutSet>(new VlightRegionHZee) );
98 //cutsToApply_.push_back( boost::shared_ptr<VHbbCandidateCutSet>(new TTbarRegionHWmun) );
99 //cutsToApply_.push_back( boost::shared_ptr<VHbbCandidateCutSet>(new TTbarRegionHWen) );
100 //cutsToApply_.push_back( boost::shared_ptr<VHbbCandidateCutSet>(new TTbarRegionHZmumu) );
101 //cutsToApply_.push_back( boost::shared_ptr<VHbbCandidateCutSet>(new TTbarRegionHZee) );
102 //cutsToApply_.push_back( boost::shared_ptr<VHbbCandidateCutSet>(new VbbRegionHWmun) );
103 //cutsToApply_.push_back( boost::shared_ptr<VHbbCandidateCutSet>(new VbbRegionHWen) );
104 //cutsToApply_.push_back( boost::shared_ptr<VHbbCandidateCutSet>(new VbbRegionHZmumu) );
105 //cutsToApply_.push_back( boost::shared_ptr<VHbbCandidateCutSet>(new VbbRegionHZee) );
106 }
107
108 trkupgradeanalysis::LightweightAnalyser::~LightweightAnalyser()
109 {
110 save();
111 pOutputFile_->Close();
112 }
113
114 void trkupgradeanalysis::LightweightAnalyser::changeDirectory( const std::string& directory )
115 {
116 std::map<std::string,PlotsSplitByMCType>::iterator iPlots=plotsForEventTypes_.find(directory);
117
118 if( iPlots==plotsForEventTypes_.end() )
119 {
120 pPlotsForEverything_=&plotsForEventTypes_[directory]; // This will create a new entry in the map
121
122 // Only book the histograms for all MC event types now. I don't know what MC event types there
123 // until I look at the events so I need to wait until then
124 bookHistograms( pPlotsForEverything_->allEventTypes_, directory+"/allEvents" );
125 }
126 else pPlotsForEverything_=&iPlots->second; // This directory has already been created and the histograms booked, so reuse those
127
128 currentDirectory_=directory;
129 }
130
131 void trkupgradeanalysis::LightweightAnalyser::save()
132 {
133 pOutputFile_->Write(0,TObject::kOverwrite);
134 }
135
136 void trkupgradeanalysis::LightweightAnalyser::bookHistograms( trkupgradeanalysis::LightweightAnalyser::AllPlots& plots, const std::string& directoryName )
137 {
138 TDirectory* pRootDirectory=pOutputFile_->GetDirectory("/");
139 TDirectory* pDirectory=createDirectory( directoryName, pRootDirectory );
140 // TDirectory* pDirectory=pRootDirectory->GetDirectory( directoryName.c_str() );
141 // if( pDirectory==NULL ) pDirectory=pRootDirectory->mkdir( directoryName.c_str() );
142
143 TDirectory* pSubDirectory=pDirectory->mkdir( "VHbbCandidates" );
144
145 plots.pNumberOfCandidates_=new TH2F( "numberOfCandidates","Number of candidates",5,-0.5,4.5,5,-0.5,4.5);
146 plots.pNumberOfCandidates_->SetDirectory(pSubDirectory);
147 plots.candidateHistogramsForAllEvents_.book( pSubDirectory );
148 plots.pNumberOfCandidates_->GetXaxis()->SetTitle( "Z candidates" );
149 plots.pNumberOfCandidates_->GetYaxis()->SetTitle( "W candidates" );
150
151 pSubDirectory=pDirectory->mkdir( "MuonInfos" );
152 plots.allMuons_.book( pSubDirectory );
153
154 pSubDirectory=pDirectory->mkdir( "ElectronInfos" );
155 plots.allElectrons_.book( pSubDirectory );
156
157 pSubDirectory=pDirectory->mkdir( "IsolationStudy" );
158 plots.isolationStudy_.book( pSubDirectory );
159
160 pSubDirectory=pDirectory->mkdir( "MonteCarloTruth" );
161 plots.monteCarloInfo_.book( pSubDirectory );
162
163 pSubDirectory=pDirectory->mkdir( "Cuts" );
164
165 for( std::vector< boost::shared_ptr<trkupgradeanalysis::VHbbCandidateCutSet> >::const_iterator iCutSet=cutsToApply_.begin();
166 iCutSet!=cutsToApply_.end(); ++iCutSet )
167 {
168 TDirectory* pSubSubDirectory=pSubDirectory->mkdir( (*iCutSet)->name().c_str() );
169
170 CutSetPlotSet newPlotSet( *iCutSet );
171 newPlotSet.book( pSubSubDirectory );
172 plots.cutCollectionPlotSets_.push_back( newPlotSet );
173 }
174 }
175
176 void trkupgradeanalysis::LightweightAnalyser::fillAllPlotsStructure( AllPlots* pPlotsToFill, const VHbbEvent& vhbbEvent, const VHbbEventAuxInfo* pVHbbEventAuxInfo, const std::vector<VHbbCandidate>& zCandidates, const std::vector<VHbbCandidate>& wCandidates )
177 {
178 pPlotsToFill->allMuons_.fill( vhbbEvent.muInfo );
179 pPlotsToFill->allElectrons_.fill( vhbbEvent.eleInfo );
180 if( pVHbbEventAuxInfo ) pPlotsToFill->monteCarloInfo_.fill( *pVHbbEventAuxInfo );
181 pPlotsToFill->isolationStudy_.fill( vhbbEvent, pVHbbEventAuxInfo ); // This class checks if is null itself
182
183 for( std::vector<VHbbCandidate>::const_iterator iCandidate=zCandidates.begin(); iCandidate!=zCandidates.end(); ++iCandidate )
184 {
185 pPlotsToFill->candidateHistogramsForAllEvents_.fill( *iCandidate );
186
187 // Loop over all of the cuts. If this candidate passes the cuts then fill the plots
188 for( std::vector<CutSetPlotSet>::iterator iCutPlotSet=pPlotsToFill->cutCollectionPlotSets_.begin();
189 iCutPlotSet!=pPlotsToFill->cutCollectionPlotSets_.end(); ++iCutPlotSet )
190 {
191 iCutPlotSet->fill( *iCandidate );
192 }
193 }
194
195 pPlotsToFill->pNumberOfCandidates_->Fill( zCandidates.size(), wCandidates.size() );
196 }
197
198 void trkupgradeanalysis::LightweightAnalyser::processEvent( const fwlite::Event& event )
199 {
200 std::vector<VHbbCandidate> zCandidates;
201 std::vector<VHbbCandidate> wCandidates;
202
203 fwlite::Handle<VHbbEvent> vhbbHandle;
204 vhbbHandle.getByLabel( event, "HbbAnalyzerNew" );
205 const VHbbEvent* pVHbbEvent=vhbbHandle.product();
206 if( pVHbbEvent == 0 )
207 {
208 std::cerr << "Couldn't get the VHbbEvent" << std::endl;
209 return;
210 }
211
212 AllPlots* pCurrentPlotsForThisEventType=NULL;
213 fwlite::Handle<VHbbEventAuxInfo> vhbbAuxInfoHandle;
214 vhbbAuxInfoHandle.getByLabel( event, "HbbAnalyzerNew" );
215 const VHbbEventAuxInfo* pVHbbEventAuxInfo=vhbbAuxInfoHandle.product();
216 if( pVHbbEventAuxInfo == 0 ) std::cerr << "Couldn't get the VHbbEventAuxInfo" << std::endl;
217 else
218 {
219 std::string eventType=eventTypeFromMC( *pVHbbEventAuxInfo );
220
221 std::map<std::string,AllPlots>::iterator iPlotsForThisEventType=pPlotsForEverything_->mcEventTypePlots_.find(eventType);
222
223 if( iPlotsForThisEventType==pPlotsForEverything_->mcEventTypePlots_.end() )
224 {
225 // This event type hasn't been encountered before so I need to book the histograms
226 AllPlots& plotsForThisEventType=pPlotsForEverything_->mcEventTypePlots_[eventType];
227 bookHistograms( plotsForThisEventType, currentDirectory_+"/"+eventType );
228 pCurrentPlotsForThisEventType=&plotsForThisEventType;
229 }
230 else pCurrentPlotsForThisEventType=&(iPlotsForThisEventType->second);
231 }
232
233 ++numberOfEvents_;
234
235 zFinder_.run( pVHbbEvent, zCandidates );
236 wFinder_.run( pVHbbEvent, wCandidates );
237
238 fillAllPlotsStructure( &pPlotsForEverything_->allEventTypes_, *pVHbbEvent, pVHbbEventAuxInfo, zCandidates, wCandidates );
239 if( pCurrentPlotsForThisEventType!=NULL ) fillAllPlotsStructure( pCurrentPlotsForThisEventType, *pVHbbEvent, pVHbbEventAuxInfo, zCandidates, wCandidates );
240
241
242 if( !zCandidates.empty() || !wCandidates.empty() ) ++numberOfEventsWithAtLeastOneZOrWCandidate_;
243
244 }
245
246 void trkupgradeanalysis::LightweightAnalyser::processFile( TFile* pInputFile )
247 {
248 if( pPlotsForEverything_==NULL ) changeDirectory("allEvents");
249
250 fwlite::Event event( pInputFile );
251 for( event.toBegin(); !event.atEnd(); ++event )
252 {
253 processEvent( event );
254 }
255
256 std::cout << "There were " << numberOfEventsWithAtLeastOneZOrWCandidate_ << " events with a Z or W candidate out of " << numberOfEvents_ << " events." << std::endl;
257 }
258
259 std::string trkupgradeanalysis::LightweightAnalyser::eventTypeFromMC( const VHbbEventAuxInfo& eventAuxInfo )
260 {
261 std::stringstream eventStringStream;
262
263 std::vector<VHbbEventAuxInfo::ParticleMCInfo> zMCInfo=eventAuxInfo.mcZ;
264 std::vector<VHbbEventAuxInfo::ParticleMCInfo> higgsMCInfo=eventAuxInfo.mcH;
265
266 for( std::vector<VHbbEventAuxInfo::ParticleMCInfo>::const_iterator higgsInfo=higgsMCInfo.begin(); higgsInfo!=higgsMCInfo.end(); ++higgsInfo )
267 {
268 if( higgsInfo->dauid.size()==1 && std::abs(higgsInfo->dauid[0])==25 ) continue;
269
270 eventStringStream << "H->(";
271 for( std::vector<int>::const_iterator daughterID=higgsInfo->dauid.begin(); daughterID!=higgsInfo->dauid.end(); ++daughterID )
272 {
273 if( daughterID!=higgsInfo->dauid.begin() ) eventStringStream << ",";
274 eventStringStream << *daughterID;
275 }
276 eventStringStream << ") ";
277 }
278
279 for( std::vector<VHbbEventAuxInfo::ParticleMCInfo>::const_iterator zInfo=zMCInfo.begin(); zInfo!=zMCInfo.end(); ++zInfo )
280 {
281 if( zInfo->dauid.empty() ) continue;
282 if( zInfo->dauid.size()==1 && std::abs(zInfo->dauid[0])==23 ) continue;
283 if( zInfo->dauid.size()==2 && std::abs(zInfo->dauid[0])==23 && std::abs(zInfo->dauid[1])==25 ) continue;
284
285 eventStringStream << "Z->(";
286 for( std::vector<int>::const_iterator daughterID=zInfo->dauid.begin(); daughterID!=zInfo->dauid.end(); ++daughterID )
287 {
288 if( *daughterID==23 ) continue;
289 if( zInfo->dauid.size()>2 && *daughterID==22 ) continue;
290 if( daughterID!=zInfo->dauid.begin() ) eventStringStream << ",";
291 eventStringStream << *daughterID;
292 }
293 eventStringStream << ") ";
294 }
295
296 if( eventStringStream.str().empty() ) return "otherBackground";
297 else return eventStringStream.str();
298 }
299