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source: git/readers/DelphesCMSFWLite.cpp@ 00e8dca

ImprovedOutputFile Timing dual_readout llp
Last change on this file since 00e8dca was 3241a0e, checked in by Pavel Demin <pavel.demin@…>, 9 years ago

add LHE weights DelphesCMSFWLite

  • Property mode set to 100644
File size: 9.5 KB
Line 
1/*
2 * Delphes: a framework for fast simulation of a generic collider experiment
3 * Copyright (C) 2012-2014 Universite catholique de Louvain (UCL), Belgium
4 *
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 */
18
19#include <algorithm>
20#include <stdexcept>
21#include <iostream>
22#include <sstream>
23#include <memory>
24
25#include <map>
26#include <vector>
27
28#include <stdlib.h>
29#include <signal.h>
30#include <stdio.h>
31
32#include "TROOT.h"
33#include "TApplication.h"
34
35#include "TFile.h"
36#include "TObjArray.h"
37#include "TStopwatch.h"
38#include "TDatabasePDG.h"
39#include "TParticlePDG.h"
40#include "TLorentzVector.h"
41
42#include "modules/Delphes.h"
43#include "classes/DelphesStream.h"
44#include "classes/DelphesClasses.h"
45#include "classes/DelphesFactory.h"
46
47#include "ExRootAnalysis/ExRootTreeWriter.h"
48#include "ExRootAnalysis/ExRootTreeBranch.h"
49#include "ExRootAnalysis/ExRootProgressBar.h"
50
51#include "FWCore/FWLite/interface/AutoLibraryLoader.h"
52
53#include "DataFormats/FWLite/interface/Event.h"
54#include "DataFormats/FWLite/interface/Handle.h"
55#include "DataFormats/HepMCCandidate/interface/GenParticle.h"
56#include "SimDataFormats/GeneratorProducts/interface/HepMCProduct.h"
57#include "SimDataFormats/GeneratorProducts/interface/GenEventInfoProduct.h"
58#include "SimDataFormats/GeneratorProducts/interface/LHEEventProduct.h"
59#include "SimDataFormats/GeneratorProducts/interface/WeightsInfo.h"
60
61using namespace std;
62
63//---------------------------------------------------------------------------
64
65void ConvertInput(fwlite::Event &event, Long64_t eventCounter,
66 ExRootTreeBranch *branchEvent, ExRootTreeBranch *branchRwgt,
67 DelphesFactory *factory, TObjArray *allParticleOutputArray,
68 TObjArray *stableParticleOutputArray, TObjArray *partonOutputArray)
69{
70 fwlite::Handle< GenEventInfoProduct > handleGenEventInfo;
71
72 fwlite::Handle< LHEEventProduct > handleLHEEvent;
73
74 fwlite::Handle< vector< reco::GenParticle > > handleParticle;
75 vector< reco::GenParticle >::const_iterator itParticle;
76
77 vector< const reco::Candidate * > vectorCandidate;
78 vector< const reco::Candidate * >::iterator itCandidate;
79
80 handleGenEventInfo.getByLabel(event, "generator");
81 handleLHEEvent.getByLabel(event, "source");
82 handleParticle.getByLabel(event, "genParticles");
83
84 HepMCEvent *element;
85 Weight *weight;
86 Candidate *candidate;
87 TDatabasePDG *pdg;
88 TParticlePDG *pdgParticle;
89 Int_t pdgCode;
90
91 Int_t pid, status;
92 Double_t px, py, pz, e, mass;
93 Double_t x, y, z;
94
95 const vector< gen::WeightsInfo > &vectorWeightsInfo = handleLHEEvent->weights();
96 vector< gen::WeightsInfo >::const_iterator itWeightsInfo;
97
98 element = static_cast<HepMCEvent *>(branchEvent->NewEntry());
99
100 element->Number = eventCounter;
101
102 element->ProcessID = handleGenEventInfo->signalProcessID();
103 element->MPI = 1;
104 element->Weight = handleGenEventInfo->weight();
105 element->Scale = handleGenEventInfo->qScale();
106 element->AlphaQED = handleGenEventInfo->alphaQED();
107 element->AlphaQCD = handleGenEventInfo->alphaQCD();
108
109 element->ID1 = 0;
110 element->ID2 = 0;
111 element->X1 = 0.0;
112 element->X2 = 0.0;
113 element->ScalePDF = 0.0;
114 element->PDF1 = 0.0;
115 element->PDF2 = 0.0;
116
117 element->ReadTime = 0.0;
118 element->ProcTime = 0.0;
119
120 for(itWeightsInfo = vectorWeightsInfo.begin(); itWeightsInfo != vectorWeightsInfo.end(); ++itWeightsInfo)
121 {
122 weight = static_cast<Weight *>(branchRwgt->NewEntry());
123 weight->Weight = itWeightsInfo->wgt;
124 }
125
126 pdg = TDatabasePDG::Instance();
127
128 for(itParticle = handleParticle->begin(); itParticle != handleParticle->end(); ++itParticle)
129 {
130 vectorCandidate.push_back(&*itParticle);
131 }
132
133 for(itParticle = handleParticle->begin(); itParticle != handleParticle->end(); ++itParticle)
134 {
135 const reco::GenParticle &particle = *itParticle;
136
137 pid = particle.pdgId();
138 status = particle.status();
139 px = particle.px(); py = particle.py(); pz = particle.pz(); e = particle.energy(); mass = particle.mass();
140 x = particle.vx(); y = particle.vy(); z = particle.vz();
141
142 candidate = factory->NewCandidate();
143
144 candidate->PID = pid;
145 pdgCode = TMath::Abs(candidate->PID);
146
147 candidate->Status = status;
148
149 if(particle.mother())
150 {
151 itCandidate = find(vectorCandidate.begin(), vectorCandidate.end(), particle.mother());
152 if(itCandidate != vectorCandidate.end()) candidate->M1 = distance(vectorCandidate.begin(), itCandidate);
153 }
154
155 itCandidate = find(vectorCandidate.begin(), vectorCandidate.end(), particle.daughter(0));
156 if(itCandidate != vectorCandidate.end()) candidate->D1 = distance(vectorCandidate.begin(), itCandidate);
157
158 itCandidate = find(vectorCandidate.begin(), vectorCandidate.end(), particle.daughter(particle.numberOfDaughters() - 1));
159 if(itCandidate != vectorCandidate.end()) candidate->D2 = distance(vectorCandidate.begin(), itCandidate);
160
161 pdgParticle = pdg->GetParticle(pid);
162 candidate->Charge = pdgParticle ? Int_t(pdgParticle->Charge()/3.0) : -999;
163 candidate->Mass = mass;
164
165 candidate->Momentum.SetPxPyPzE(px, py, pz, e);
166
167 candidate->Position.SetXYZT(x, y, z, 0.0);
168
169 allParticleOutputArray->Add(candidate);
170
171 if(!pdgParticle) continue;
172
173 if(status == 1)
174 {
175 stableParticleOutputArray->Add(candidate);
176 }
177 else if(pdgCode <= 5 || pdgCode == 21 || pdgCode == 15)
178 {
179 partonOutputArray->Add(candidate);
180 }
181 }
182}
183
184//---------------------------------------------------------------------------
185
186static bool interrupted = false;
187
188void SignalHandler(int sig)
189{
190 interrupted = true;
191}
192
193//---------------------------------------------------------------------------
194
195int main(int argc, char *argv[])
196{
197 char appName[] = "DelphesCMSFWLite";
198 stringstream message;
199 TFile *inputFile = 0;
200 TFile *outputFile = 0;
201 TStopwatch eventStopWatch;
202 ExRootTreeWriter *treeWriter = 0;
203 ExRootTreeBranch *branchEvent = 0, *branchRwgt = 0;
204 ExRootConfReader *confReader = 0;
205 Delphes *modularDelphes = 0;
206 DelphesFactory *factory = 0;
207 TObjArray *allParticleOutputArray = 0, *stableParticleOutputArray = 0, *partonOutputArray = 0;
208 Int_t i;
209 Long64_t eventCounter, numberOfEvents;
210
211 if(argc < 4)
212 {
213 cout << " Usage: " << appName << " config_file" << " output_file" << " input_file(s)" << endl;
214 cout << " config_file - configuration file in Tcl format," << endl;
215 cout << " output_file - output file in ROOT format," << endl;
216 cout << " input_file(s) - input file(s) in ROOT format." << endl;
217 return 1;
218 }
219
220 signal(SIGINT, SignalHandler);
221
222 gROOT->SetBatch();
223
224 int appargc = 1;
225 char *appargv[] = {appName};
226 TApplication app(appName, &appargc, appargv);
227
228 AutoLibraryLoader::enable();
229
230 try
231 {
232 outputFile = TFile::Open(argv[2], "CREATE");
233
234 if(outputFile == NULL)
235 {
236 message << "can't open " << argv[2] << endl;
237 throw runtime_error(message.str());
238 }
239
240 treeWriter = new ExRootTreeWriter(outputFile, "Delphes");
241
242 branchEvent = treeWriter->NewBranch("Event", HepMCEvent::Class());
243 branchRwgt = treeWriter->NewBranch("Rwgt", Weight::Class());
244
245 confReader = new ExRootConfReader;
246 confReader->ReadFile(argv[1]);
247
248 modularDelphes = new Delphes("Delphes");
249 modularDelphes->SetConfReader(confReader);
250 modularDelphes->SetTreeWriter(treeWriter);
251
252 factory = modularDelphes->GetFactory();
253 allParticleOutputArray = modularDelphes->ExportArray("allParticles");
254 stableParticleOutputArray = modularDelphes->ExportArray("stableParticles");
255 partonOutputArray = modularDelphes->ExportArray("partons");
256
257 modularDelphes->InitTask();
258
259 for(i = 3; i < argc && !interrupted; ++i)
260 {
261 cout << "** Reading " << argv[i] << endl;
262
263 inputFile = TFile::Open(argv[i]);
264
265 if(inputFile == NULL)
266 {
267 message << "can't open " << argv[i] << endl;
268 throw runtime_error(message.str());
269 }
270
271 fwlite::Event event(inputFile);
272
273 numberOfEvents = event.size();
274
275 if(numberOfEvents <= 0) continue;
276
277 // ExRootProgressBar progressBar(numberOfEvents - 1);
278 ExRootProgressBar progressBar(-1);
279
280 // Loop over all objects
281 eventCounter = 0;
282 modularDelphes->Clear();
283 treeWriter->Clear();
284 for(event.toBegin(); !event.atEnd() && !interrupted; ++event)
285 {
286 ConvertInput(event, eventCounter, branchEvent, branchRwgt, factory,
287 allParticleOutputArray, stableParticleOutputArray, partonOutputArray);
288 modularDelphes->ProcessTask();
289
290 treeWriter->Fill();
291
292 modularDelphes->Clear();
293 treeWriter->Clear();
294
295 progressBar.Update(eventCounter, eventCounter);
296 ++eventCounter;
297 }
298
299 progressBar.Update(eventCounter, eventCounter, kTRUE);
300 progressBar.Finish();
301
302 inputFile->Close();
303 }
304
305 modularDelphes->FinishTask();
306 treeWriter->Write();
307
308 cout << "** Exiting..." << endl;
309
310 delete modularDelphes;
311 delete confReader;
312 delete treeWriter;
313 delete outputFile;
314
315 return 0;
316 }
317 catch(runtime_error &e)
318 {
319 if(treeWriter) delete treeWriter;
320 if(outputFile) delete outputFile;
321 cerr << "** ERROR: " << e.what() << endl;
322 return 1;
323 }
324}
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