| 1 |
// $Id: FillerMCParticles.cc,v 1.18 2009/09/25 08:42:50 loizides Exp $
|
| 2 |
|
| 3 |
#include "MitProd/TreeFiller/interface/FillerMCParticles.h"
|
| 4 |
#include "FWCore/MessageLogger/interface/MessageLogger.h"
|
| 5 |
#include "DataFormats/Common/interface/Handle.h"
|
| 6 |
#include "DataFormats/Common/interface/RefToPtr.h"
|
| 7 |
#include "SimDataFormats/GeneratorProducts/interface/HepMCProduct.h"
|
| 8 |
#include "DataFormats/HepMCCandidate/interface/GenParticleFwd.h"
|
| 9 |
#include "DataFormats/HepMCCandidate/interface/GenParticle.h"
|
| 10 |
#include "DataFormats/METReco/interface/METCollection.h"
|
| 11 |
#include "SimDataFormats/Track/interface/SimTrack.h"
|
| 12 |
#include "SimDataFormats/Track/interface/SimTrackContainer.h"
|
| 13 |
#include "SimDataFormats/Vertex/interface/SimVertex.h"
|
| 14 |
#include "SimDataFormats/Vertex/interface/SimVertexContainer.h"
|
| 15 |
#include "SimDataFormats/TrackingAnalysis/interface/TrackingParticle.h"
|
| 16 |
#include "SimDataFormats/TrackingAnalysis/interface/TrackingParticleFwd.h"
|
| 17 |
#include "SimDataFormats/TrackingAnalysis/interface/TrackingVertex.h"
|
| 18 |
#include "SimDataFormats/TrackingAnalysis/interface/TrackingVertexContainer.h"
|
| 19 |
#include "MitAna/DataTree/interface/Names.h"
|
| 20 |
#include "MitAna/DataTree/interface/MCParticleCol.h"
|
| 21 |
#include "MitProd/ObjectService/interface/ObjectService.h"
|
| 22 |
|
| 23 |
using namespace std;
|
| 24 |
using namespace edm;
|
| 25 |
using namespace mithep;
|
| 26 |
|
| 27 |
//--------------------------------------------------------------------------------------------------
|
| 28 |
FillerMCParticles::FillerMCParticles(const ParameterSet &cfg, const char *name, bool active) :
|
| 29 |
BaseFiller(cfg, name, active),
|
| 30 |
genActive_(Conf().getUntrackedParameter<bool>("genActive",true)),
|
| 31 |
useAodGen_(Conf().getUntrackedParameter<bool>("useAodGen",true)),
|
| 32 |
simActive_(Conf().getUntrackedParameter<bool>("simActive",true)),
|
| 33 |
trackingActive_(Conf().getUntrackedParameter<bool>("trackingActive",false)),
|
| 34 |
genEdmName_(Conf().getUntrackedParameter<string>("genEdmName","genParticles")),
|
| 35 |
simEdmName_(Conf().getUntrackedParameter<string>("simEdmName","g4SimHits")),
|
| 36 |
trackingEdmName_(Conf().getUntrackedParameter<string>("trackingEdmName",
|
| 37 |
"mergedtruth:MergedTrackTruth")),
|
| 38 |
genMapName_(Conf().getUntrackedParameter<string>("genMapName","GenMap")),
|
| 39 |
simMapName_(Conf().getUntrackedParameter<string>("simMapName","SimMap")),
|
| 40 |
trackingMapName_(Conf().getUntrackedParameter<string>("trackingMapName","TrackingMap")),
|
| 41 |
mitName_(Conf().getUntrackedParameter<string>("mitName",Names::gkMCPartBrn)),
|
| 42 |
mcParticles_(new mithep::MCParticleArr(250)),
|
| 43 |
genMap_(genActive_?new mithep::GenParticleBarcodeMap:0),
|
| 44 |
aodGenMap_((genActive_&&useAodGen_)?new mithep::AODGenParticleMap:0),
|
| 45 |
simMap_(simActive_?new mithep::SimTrackTidMap:0),
|
| 46 |
trackingMap_(trackingActive_?new mithep::TrackingParticleMap:0)
|
| 47 |
{
|
| 48 |
// Constructor.
|
| 49 |
}
|
| 50 |
|
| 51 |
//--------------------------------------------------------------------------------------------------
|
| 52 |
FillerMCParticles::~FillerMCParticles()
|
| 53 |
{
|
| 54 |
// Destructor.
|
| 55 |
|
| 56 |
delete mcParticles_;
|
| 57 |
delete genMap_;
|
| 58 |
delete aodGenMap_;
|
| 59 |
delete simMap_;
|
| 60 |
delete trackingMap_;
|
| 61 |
}
|
| 62 |
|
| 63 |
//--------------------------------------------------------------------------------------------------
|
| 64 |
void FillerMCParticles::BookDataBlock(TreeWriter &tws, const edm::EventSetup &es)
|
| 65 |
{
|
| 66 |
// Add branch to tree and publish our maps.
|
| 67 |
|
| 68 |
Int_t brsize = tws.GetDefaultBrSize();
|
| 69 |
if (brsize<128*1024)
|
| 70 |
brsize=128*1024;
|
| 71 |
|
| 72 |
tws.AddBranch(mitName_,&mcParticles_,brsize);
|
| 73 |
OS()->add<mithep::MCParticleArr>(mcParticles_,mitName_);
|
| 74 |
|
| 75 |
if (genActive_ && !genMapName_.empty()) {
|
| 76 |
genMap_->SetBrName(mitName_);
|
| 77 |
if (genMap_)
|
| 78 |
OS()->add(genMap_,genMapName_);
|
| 79 |
}
|
| 80 |
if (simActive_ && !simMapName_.empty()) {
|
| 81 |
simMap_->SetBrName(mitName_);
|
| 82 |
if (simMap_)
|
| 83 |
OS()->add(simMap_,simMapName_);
|
| 84 |
}
|
| 85 |
if (trackingActive_ && !trackingMapName_.empty()) {
|
| 86 |
trackingMap_->SetBrName(mitName_);
|
| 87 |
if (trackingMap_)
|
| 88 |
OS()->add(trackingMap_,trackingMapName_);
|
| 89 |
}
|
| 90 |
}
|
| 91 |
|
| 92 |
//--------------------------------------------------------------------------------------------------
|
| 93 |
void FillerMCParticles::FillDataBlock(const edm::Event &event,
|
| 94 |
const edm::EventSetup &setup)
|
| 95 |
{
|
| 96 |
// Loop over generated or simulated particles and fill their information.
|
| 97 |
|
| 98 |
mcParticles_->Delete();
|
| 99 |
|
| 100 |
if (genActive_)
|
| 101 |
genMap_->Reset();
|
| 102 |
|
| 103 |
if (genActive_ && !useAodGen_) {
|
| 104 |
Handle<edm::HepMCProduct> hHepMCProduct;
|
| 105 |
GetProduct(genEdmName_, hHepMCProduct, event);
|
| 106 |
|
| 107 |
const HepMC::GenEvent &GenEvent = hHepMCProduct->getHepMCData();
|
| 108 |
|
| 109 |
// loop over all hepmc particles and copy their information
|
| 110 |
for (HepMC::GenEvent::particle_const_iterator pgen = GenEvent.particles_begin();
|
| 111 |
pgen != GenEvent.particles_end(); ++pgen) {
|
| 112 |
|
| 113 |
HepMC::GenParticle *mcPart = (*pgen);
|
| 114 |
if(!mcPart)
|
| 115 |
continue;
|
| 116 |
|
| 117 |
mithep::MCParticle *genParticle = mcParticles_->Allocate();
|
| 118 |
new (genParticle) mithep::MCParticle(mcPart->momentum().x(),mcPart->momentum().y(),
|
| 119 |
mcPart->momentum().z(),mcPart->momentum().e(),
|
| 120 |
mcPart->pdg_id(),mcPart->status());
|
| 121 |
genParticle->SetIsGenerated();
|
| 122 |
genMap_->Add(mcPart->barcode(), genParticle);
|
| 123 |
}
|
| 124 |
}
|
| 125 |
|
| 126 |
if (genActive_ && useAodGen_) {
|
| 127 |
|
| 128 |
aodGenMap_->Reset();
|
| 129 |
|
| 130 |
Handle<reco::GenParticleCollection> hGenPProduct;
|
| 131 |
GetProduct(genEdmName_, hGenPProduct, event);
|
| 132 |
|
| 133 |
// element by element aligned collection of hepmc barcodes associated to
|
| 134 |
// the genparticles
|
| 135 |
Handle<std::vector<int> > genBarcodes;
|
| 136 |
if (simActive_)
|
| 137 |
GetProduct(genEdmName_, genBarcodes, event);
|
| 138 |
|
| 139 |
const reco::GenParticleCollection genParticles = *(hGenPProduct.product());
|
| 140 |
|
| 141 |
// loop over all genparticles and copy their information
|
| 142 |
for (reco::GenParticleCollection::const_iterator pgen = genParticles.begin();
|
| 143 |
pgen != genParticles.end(); ++pgen) {
|
| 144 |
|
| 145 |
mithep::MCParticle *mcPart = mcParticles_->Allocate();
|
| 146 |
new (mcPart) mithep::MCParticle(pgen->px(),pgen->py(),
|
| 147 |
pgen->pz(),pgen->energy(),
|
| 148 |
pgen->pdgId(),pgen->status());
|
| 149 |
|
| 150 |
mcPart->SetIsGenerated();
|
| 151 |
|
| 152 |
// add hepmc barcode association, needed to merge in sim particles
|
| 153 |
if (simActive_) {
|
| 154 |
int genBarcode = genBarcodes->at(pgen - genParticles.begin());
|
| 155 |
genMap_->Add(genBarcode, mcPart);
|
| 156 |
}
|
| 157 |
|
| 158 |
edm::Ptr<reco::GenParticle> thePtr(hGenPProduct, pgen - genParticles.begin());
|
| 159 |
aodGenMap_->Add(thePtr, mcPart);
|
| 160 |
}
|
| 161 |
}
|
| 162 |
|
| 163 |
if (simActive_) {
|
| 164 |
simMap_->Reset();
|
| 165 |
|
| 166 |
Handle<edm::SimTrackContainer> hSimTrackProduct;
|
| 167 |
GetProduct(simEdmName_, hSimTrackProduct, event);
|
| 168 |
|
| 169 |
const edm::SimTrackContainer simTracks = *(hSimTrackProduct.product());
|
| 170 |
|
| 171 |
// loop through all simParticles
|
| 172 |
for (SimTrackContainer::const_iterator iM = simTracks.begin();
|
| 173 |
iM != simTracks.end(); ++iM) {
|
| 174 |
|
| 175 |
mithep::MCParticle *outSimParticle = 0;
|
| 176 |
|
| 177 |
if (genActive_ && (iM->genpartIndex() >= 0) ) {
|
| 178 |
outSimParticle = genMap_->GetMit(iM->genpartIndex());
|
| 179 |
if (verbose_>1) {
|
| 180 |
printf("Sim px,py,pz,e = %f,%f,%f,%f\nGen px,py,pz,e = %f,%f,%f,%f\n",
|
| 181 |
iM->momentum().px(),iM->momentum().py(),
|
| 182 |
iM->momentum().pz(),iM->momentum().e(),
|
| 183 |
outSimParticle->Px(),outSimParticle->Py(),
|
| 184 |
outSimParticle->Pz(),outSimParticle->E());
|
| 185 |
}
|
| 186 |
} else {
|
| 187 |
outSimParticle = mcParticles_->Allocate();
|
| 188 |
new (outSimParticle) mithep::MCParticle(iM->momentum().px(),
|
| 189 |
iM->momentum().py(),
|
| 190 |
iM->momentum().pz(),
|
| 191 |
iM->momentum().e(),
|
| 192 |
iM->type(), -99);
|
| 193 |
}
|
| 194 |
|
| 195 |
outSimParticle->SetIsSimulated();
|
| 196 |
simMap_->Add(iM->trackId(), outSimParticle);
|
| 197 |
}
|
| 198 |
}
|
| 199 |
|
| 200 |
// loop through TrackingParticles and build association map to MCParticles
|
| 201 |
if (trackingActive_) {
|
| 202 |
trackingMap_->Reset();
|
| 203 |
|
| 204 |
Handle<TrackingParticleCollection> hTrackingParticleProduct;
|
| 205 |
GetProduct(trackingEdmName_, hTrackingParticleProduct, event);
|
| 206 |
|
| 207 |
const TrackingParticleCollection trackingParticles = *(hTrackingParticleProduct.product());
|
| 208 |
|
| 209 |
// loop through all TrackingParticles
|
| 210 |
for (TrackingParticleCollection::const_iterator iM = trackingParticles.begin();
|
| 211 |
iM != trackingParticles.end(); ++iM) {
|
| 212 |
|
| 213 |
if ( simActive_ && iM->g4Tracks().size() ) {
|
| 214 |
TrackingParticleRef theRef(hTrackingParticleProduct, iM-trackingParticles.begin());
|
| 215 |
const SimTrack &theSimTrack = iM->g4Tracks().at(iM->g4Tracks().size()-1);
|
| 216 |
mithep::MCParticle *outSimParticle = simMap_->GetMit(theSimTrack.trackId());
|
| 217 |
trackingMap_->Add(theRef, outSimParticle);
|
| 218 |
if (verbose_>1) {
|
| 219 |
printf("trackId = %i\n",theSimTrack.trackId());
|
| 220 |
printf("Tracking particle has %i SimTracks\n",iM->g4Tracks().size());
|
| 221 |
if (iM->g4Tracks().size()>1) {
|
| 222 |
for (std::vector<SimTrack>::const_iterator iST = iM->g4Tracks().begin();
|
| 223 |
iST != iM->g4Tracks().end(); ++iST) {
|
| 224 |
printf("g4 trackid = %i\n",iST->trackId());
|
| 225 |
}
|
| 226 |
}
|
| 227 |
}
|
| 228 |
}
|
| 229 |
}
|
| 230 |
}
|
| 231 |
|
| 232 |
mcParticles_->Trim();
|
| 233 |
}
|
| 234 |
|
| 235 |
//--------------------------------------------------------------------------------------------------
|
| 236 |
void FillerMCParticles::ResolveLinks(const edm::Event &event,
|
| 237 |
const edm::EventSetup &setup)
|
| 238 |
{
|
| 239 |
// Loop over generated and simulated particles and resolve their links.
|
| 240 |
|
| 241 |
if (genActive_ && !useAodGen_) {
|
| 242 |
|
| 243 |
Handle<edm::HepMCProduct> hHepMCProduct;
|
| 244 |
GetProduct(genEdmName_, hHepMCProduct, event);
|
| 245 |
|
| 246 |
const HepMC::GenEvent &GenEvent = hHepMCProduct->getHepMCData();
|
| 247 |
|
| 248 |
for (HepMC::GenEvent::particle_const_iterator pgen = GenEvent.particles_begin();
|
| 249 |
pgen != GenEvent.particles_end(); ++pgen) {
|
| 250 |
|
| 251 |
HepMC::GenParticle *mcPart = (*pgen);
|
| 252 |
if(!mcPart)
|
| 253 |
continue;
|
| 254 |
|
| 255 |
// check if genpart has a decay vertex
|
| 256 |
HepMC::GenVertex *dVertex = mcPart->end_vertex();
|
| 257 |
if (!dVertex)
|
| 258 |
continue;
|
| 259 |
|
| 260 |
// find corresponding mithep genparticle parent in association table
|
| 261 |
mithep::MCParticle *genParent = genMap_->GetMit(mcPart->barcode());
|
| 262 |
|
| 263 |
// set decay vertex
|
| 264 |
// division by 10.0 is needed due to HepMC use of mm instead of cm for distance units
|
| 265 |
genParent->SetVertex(dVertex->point3d().x()/10.0,
|
| 266 |
dVertex->point3d().y()/10.0,
|
| 267 |
dVertex->point3d().z()/10.0);
|
| 268 |
|
| 269 |
// loop through daugthers
|
| 270 |
for (HepMC::GenVertex::particles_out_const_iterator pgenD =
|
| 271 |
dVertex->particles_out_const_begin();
|
| 272 |
pgenD != dVertex->particles_out_const_end(); ++pgenD) {
|
| 273 |
HepMC::GenParticle *mcDaughter = (*pgenD);
|
| 274 |
mithep::MCParticle *genDaughter = genMap_->GetMit(mcDaughter->barcode());
|
| 275 |
genParent->AddDaughter(genDaughter);
|
| 276 |
if (!(genDaughter->HasMother()))
|
| 277 |
genDaughter->SetMother(genParent);
|
| 278 |
}
|
| 279 |
}
|
| 280 |
}
|
| 281 |
|
| 282 |
// loop over aod GenParticle candidates and resolve their links
|
| 283 |
if (genActive_ && useAodGen_) {
|
| 284 |
|
| 285 |
Handle<reco::GenParticleCollection> hGenPProduct;
|
| 286 |
GetProduct(genEdmName_, hGenPProduct, event);
|
| 287 |
|
| 288 |
const reco::GenParticleCollection genParticles = *(hGenPProduct.product());
|
| 289 |
// loop over all genparticles and copy their information
|
| 290 |
for (reco::GenParticleCollection::const_iterator pgen = genParticles.begin();
|
| 291 |
pgen != genParticles.end(); ++pgen) {
|
| 292 |
|
| 293 |
int nDaughters = pgen->numberOfDaughters();
|
| 294 |
if (nDaughters>0) {
|
| 295 |
edm::Ptr<reco::GenParticle> thePtr(hGenPProduct, pgen - genParticles.begin());
|
| 296 |
MCParticle *mcMother = aodGenMap_->GetMit(thePtr);
|
| 297 |
for (int i=0; i<nDaughters; ++i) {
|
| 298 |
const reco::Candidate *genDaughter = pgen->daughter(i);
|
| 299 |
MCParticle *mcDaughter = aodGenMap_->GetMit(refToPtr(pgen->daughterRef(i)));
|
| 300 |
// set mother decay vertex
|
| 301 |
if (i==0)
|
| 302 |
mcMother->SetVertex(genDaughter->vx(),genDaughter->vy(),genDaughter->vz());
|
| 303 |
|
| 304 |
// set mother-daughter links
|
| 305 |
mcMother->AddDaughter(mcDaughter);
|
| 306 |
if (!mcDaughter->HasMother())
|
| 307 |
mcDaughter->SetMother(mcMother);
|
| 308 |
}
|
| 309 |
}
|
| 310 |
}
|
| 311 |
}
|
| 312 |
|
| 313 |
// loop over SimTracks and resolve links
|
| 314 |
if (simActive_) {
|
| 315 |
Handle<edm::SimTrackContainer> hSimTrackProduct;
|
| 316 |
GetProduct(simEdmName_, hSimTrackProduct, event);
|
| 317 |
|
| 318 |
const edm::SimTrackContainer simTracks = *(hSimTrackProduct.product());
|
| 319 |
|
| 320 |
Handle<std::vector<SimVertex> > hSimVertexProduct;
|
| 321 |
GetProduct(simEdmName_, hSimVertexProduct, event);
|
| 322 |
|
| 323 |
const edm::SimVertexContainer simVertexes = *(hSimVertexProduct.product());
|
| 324 |
|
| 325 |
// loop through all simParticles
|
| 326 |
for (SimTrackContainer::const_iterator iM = simTracks.begin();
|
| 327 |
iM != simTracks.end(); ++iM) {
|
| 328 |
|
| 329 |
if (iM->vertIndex()>=0) {
|
| 330 |
mithep::MCParticle *simDaughter = simMap_->GetMit(iM->trackId());
|
| 331 |
const SimVertex &theVertex = simVertexes.at(iM->vertIndex());
|
| 332 |
if (theVertex.parentIndex()>=0) {
|
| 333 |
mithep::MCParticle *simParent = simMap_->GetMit(theVertex.parentIndex());
|
| 334 |
simParent->SetVertex(theVertex.position().x(),
|
| 335 |
theVertex.position().y(),
|
| 336 |
theVertex.position().z());
|
| 337 |
//make sure we don't double count the decay tree
|
| 338 |
if ( !simParent->HasDaughter(simDaughter) ) {
|
| 339 |
simParent->AddDaughter(simDaughter);
|
| 340 |
}
|
| 341 |
if ( !simDaughter->HasMother() ) {
|
| 342 |
simDaughter->SetMother(simParent);
|
| 343 |
}
|
| 344 |
}
|
| 345 |
}
|
| 346 |
}
|
| 347 |
}
|
| 348 |
|
| 349 |
if (verbose_>1 && trackingActive_) {
|
| 350 |
Handle<TrackingParticleCollection> hTrackingParticleProduct;
|
| 351 |
GetProduct(trackingEdmName_, hTrackingParticleProduct, event);
|
| 352 |
|
| 353 |
const TrackingParticleCollection trackingParticles = *(hTrackingParticleProduct.product());
|
| 354 |
|
| 355 |
// loop through all simParticles
|
| 356 |
for (TrackingParticleCollection::const_iterator iM = trackingParticles.begin();
|
| 357 |
iM != trackingParticles.end(); ++iM) {
|
| 358 |
|
| 359 |
TrackingParticleRef theRef(hTrackingParticleProduct, iM-trackingParticles.begin());
|
| 360 |
|
| 361 |
mithep::MCParticle *simParent = trackingMap_->GetMit(theRef);
|
| 362 |
printf("MCParticle pdg = %i, Daughter Pdgs: ", simParent->PdgId());
|
| 363 |
for (UInt_t i=0; i<simParent->NDaughters(); ++i) {
|
| 364 |
printf("%i, ", simParent->Daughter(i)->PdgId());
|
| 365 |
}
|
| 366 |
printf("\n");
|
| 367 |
|
| 368 |
printf("TrackingParticle pdg = %i, Daughter Pdgs: ", iM->pdgId());
|
| 369 |
for (TrackingVertexRefVector::iterator v= iM->decayVertices().begin();
|
| 370 |
v != iM->decayVertices().end(); ++v) {
|
| 371 |
for (TrackingParticleRefVector::iterator pd = v->get()->daughterTracks().begin();
|
| 372 |
pd != v->get()->daughterTracks().end(); ++pd) {
|
| 373 |
printf("%i, ", pd->get()->pdgId());
|
| 374 |
}
|
| 375 |
}
|
| 376 |
printf("\n");
|
| 377 |
}
|
| 378 |
}
|
| 379 |
}
|
