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PFCandConnector Class Reference

Based on a class from : V. Roberfroid, February 2008. More...

#include <PFCandConnector.h>

Public Member Functions

reco::PFCandidateCollection connect (reco::PFCandidateCollection &pfCand) const
 
 PFCandConnector ()
 
void setParameters (const edm::ParameterSet &iCfgCandConnector)
 
void setParameters (bool bCorrect, bool bCalibPrimary, double dptRel_PrimaryTrack, double dptRel_MergedTrack, double ptErrorSecondary, const std::vector< double > &nuclCalibFactors)
 

Static Public Member Functions

static void fillPSetDescription (edm::ParameterSetDescription &iDesc)
 

Private Member Functions

void analyseNuclearWPrim (reco::PFCandidateCollection &, std::vector< bool > &, unsigned int) const
 Analyse nuclear interactions where a primary or merged track is present. More...
 
void analyseNuclearWSec (reco::PFCandidateCollection &, std::vector< bool > &, unsigned int) const
 Analyse nuclear interactions where a secondary track is present. More...
 
bool isPrimaryNucl (const reco::PFCandidate &pf) const
 
bool isSecondaryNucl (const reco::PFCandidate &pf) const
 
double rescaleFactor (const double pt, const double cFrac) const
 Return a calibration factor for a reconstructed nuclear interaction. More...
 

Private Attributes

bool bCalibPrimary_
 Calibration parameters for the reconstructed nuclear interactions. More...
 
bool bCorrect_
 Parameters. More...
 
double dptRel_MergedTrack_
 
double dptRel_PrimaryTrack_
 
std::vector< double > fConst_
 
std::vector< double > fExp_
 
std::vector< double > fNorm_
 
double ptErrorSecondary_
 

Static Private Attributes

static const
reco::PFCandidate::Flags 
fT_FROM_DISP_ = PFCandidate::T_FROM_DISP
 
static const
reco::PFCandidate::Flags 
fT_TO_DISP_ = PFCandidate::T_TO_DISP
 
static const double pion_mass2 = 0.0194
 Useful constants. More...
 

Detailed Description

Based on a class from : V. Roberfroid, February 2008.

Definition at line 15 of file PFCandConnector.h.

Constructor & Destructor Documentation

PFCandConnector::PFCandConnector ( )
inline

Definition at line 17 of file PFCandConnector.h.

References bCalibPrimary_, bCorrect_, dptRel_MergedTrack_, dptRel_PrimaryTrack_, fConst_, fExp_, fNorm_, and ptErrorSecondary_.

17  {
18  bCorrect_ = false;
19  bCalibPrimary_ = false;
20 
21  fConst_.push_back(1), fConst_.push_back(0);
22  fNorm_.push_back(0), fNorm_.push_back(0);
23  fExp_.push_back(0);
24 
27  ptErrorSecondary_ = 0.;
28  }
std::vector< double > fExp_
std::vector< double > fNorm_
std::vector< double > fConst_
double dptRel_PrimaryTrack_
bool bCalibPrimary_
Calibration parameters for the reconstructed nuclear interactions.
bool bCorrect_
Parameters.
double dptRel_MergedTrack_

Member Function Documentation

void PFCandConnector::analyseNuclearWPrim ( reco::PFCandidateCollection pfCand,
std::vector< bool > &  bMask,
unsigned int  ce1 
) const
private

Analyse nuclear interactions where a primary or merged track is present.

Definition at line 148 of file PFCandConnector.cc.

References reco::PFCandidate::displacedVertexRef(), alignCSCRings::e, reco::PFCandidate::ecalEnergy(), first, reco::PFCandidate::hcalEnergy(), edm::Ref< C, T, F >::isNonnull(), LogTrace, reco::HitPattern::MISSING_OUTER_HITS, reco::LeafCandidate::p4(), edm::second(), and mathSSE::sqrt().

150  {
151  PFDisplacedVertexRef ref1, ref2, ref1_bis;
152 
153  PFCandidate primaryCand = pfCand.at(ce1);
154 
155  // ------- look for the little friends -------- //
156 
157  const math::XYZTLorentzVectorD& momentumPrim = primaryCand.p4();
158 
159  math::XYZTLorentzVectorD momentumSec;
160 
161  momentumSec = momentumPrim / momentumPrim.E() * (primaryCand.ecalEnergy() + primaryCand.hcalEnergy());
162 
163  map<double, math::XYZTLorentzVectorD> candidatesWithTrackExcess;
164  map<double, math::XYZTLorentzVectorD> candidatesWithoutCalo;
165 
166  ref1 = primaryCand.displacedVertexRef(fT_TO_DISP_);
167 
168  for (unsigned int ce2 = 0; ce2 < pfCand.size(); ++ce2) {
169  if (ce2 != ce1 && isSecondaryNucl(pfCand.at(ce2))) {
170  ref2 = (pfCand.at(ce2)).displacedVertexRef(fT_FROM_DISP_);
171 
172  if (ref1 == ref2) {
173  LogTrace("PFCandConnector|analyseNuclearWPrim")
174  << "\t here is a Secondary Candidate " << ce2 << " " << pfCand.at(ce2) << endl
175  << "\t based on the Track " << pfCand.at(ce2).trackRef().key()
176  << " w p = " << pfCand.at(ce2).trackRef()->p() << " w pT = " << pfCand.at(ce2).trackRef()->pt() << " #pm "
177  << pfCand.at(ce2).trackRef()->ptError() << " %"
178  << " ECAL = " << pfCand.at(ce2).ecalEnergy() << " HCAL = " << pfCand.at(ce2).hcalEnergy()
179  << " dE(Trk-CALO) = "
180  << pfCand.at(ce2).trackRef()->p() - pfCand.at(ce2).ecalEnergy() - pfCand.at(ce2).hcalEnergy()
181  << " Nmissing hits = "
182  << pfCand.at(ce2).trackRef()->hitPattern().numberOfLostHits(reco::HitPattern::MISSING_OUTER_HITS) << endl;
183 
184  if (isPrimaryNucl(pfCand.at(ce2))) {
185  LogTrace("PFCandConnector|analyseNuclearWPrim") << "\t\t but it is also a Primary Candidate " << ce2 << endl;
186 
187  ref1_bis = (pfCand.at(ce2)).displacedVertexRef(fT_TO_DISP_);
188  if (ref1_bis.isNonnull())
189  analyseNuclearWPrim(pfCand, bMask, ce2);
190  }
191 
192  // Take now the parameters of the secondary track that are relevant and use them to construct the NI candidate
193 
194  PFCandidate::ElementsInBlocks elementsInBlocks = pfCand.at(ce2).elementsInBlocks();
195  PFCandidate::ElementsInBlocks elementsAlreadyInBlocks = pfCand.at(ce1).elementsInBlocks();
196  for (unsigned blockElem = 0; blockElem < elementsInBlocks.size(); blockElem++) {
197  bool isAlreadyHere = false;
198  for (unsigned alreadyBlock = 0; alreadyBlock < elementsAlreadyInBlocks.size(); alreadyBlock++) {
199  if (elementsAlreadyInBlocks[alreadyBlock].second == elementsInBlocks[blockElem].second)
200  isAlreadyHere = true;
201  }
202  if (!isAlreadyHere)
203  pfCand.at(ce1).addElementInBlock(elementsInBlocks[blockElem].first, elementsInBlocks[blockElem].second);
204  }
205 
206  double caloEn = pfCand.at(ce2).ecalEnergy() + pfCand.at(ce2).hcalEnergy();
207  double deltaEn = pfCand.at(ce2).p4().E() - caloEn;
208  int nMissOuterHits =
209  pfCand.at(ce2).trackRef()->hitPattern().numberOfLostHits(reco::HitPattern::MISSING_OUTER_HITS);
210 
211  // Check if the difference Track Calo is not too large and if we can trust the track, ie it doesn't miss too much hits.
212  if (deltaEn > 1 && nMissOuterHits > 1) {
213  math::XYZTLorentzVectorD momentumToAdd = pfCand.at(ce2).p4() * caloEn / pfCand.at(ce2).p4().E();
214  momentumSec += momentumToAdd;
215  LogTrace("PFCandConnector|analyseNuclearWPrim")
216  << "The difference track-calo s really large and the track miss at least 2 hits. A secondary NI may "
217  "have happened. Let's trust the calo energy"
218  << endl
219  << "add " << momentumToAdd << endl;
220 
221  } else {
222  // Check if the difference Track Calo is not too large and if we can trust the track, ie it doesn't miss too much hits.
223  if (caloEn > 0.01 && deltaEn > 1 && nMissOuterHits > 0) {
224  math::XYZTLorentzVectorD momentumExcess = pfCand.at(ce2).p4() * deltaEn / pfCand.at(ce2).p4().E();
225  candidatesWithTrackExcess[pfCand.at(ce2).trackRef()->pt() / pfCand.at(ce2).trackRef()->ptError()] =
226  momentumExcess;
227  } else if (caloEn < 0.01)
228  candidatesWithoutCalo[pfCand.at(ce2).trackRef()->pt() / pfCand.at(ce2).trackRef()->ptError()] =
229  pfCand.at(ce2).p4();
230  momentumSec += (pfCand.at(ce2)).p4();
231  }
232 
233  bMask[ce2] = true;
234  }
235  }
236  }
237 
238  // We have more primary energy than secondary: reject all secondary tracks which have no calo energy attached.
239 
240  if (momentumPrim.E() < momentumSec.E()) {
241  LogTrace("PFCandConnector|analyseNuclearWPrim")
242  << "Size of 0 calo Energy secondary candidates" << candidatesWithoutCalo.size() << endl;
243  for (map<double, math::XYZTLorentzVectorD>::iterator iter = candidatesWithoutCalo.begin();
244  iter != candidatesWithoutCalo.end() && momentumPrim.E() < momentumSec.E();
245  iter++)
246  if (momentumSec.E() > iter->second.E() + 0.1) {
247  momentumSec -= iter->second;
248 
249  LogTrace("PFCandConnector|analyseNuclearWPrim")
250  << "\t Remove a SecondaryCandidate with 0 calo energy " << iter->second << endl;
251  LogTrace("PFCandConnector|analyseNuclearWPrim")
252  << "momentumPrim.E() = " << momentumPrim.E() << " and momentumSec.E() = " << momentumSec.E() << endl;
253  }
254  }
255 
256  if (momentumPrim.E() < momentumSec.E()) {
257  LogTrace("PFCandConnector|analyseNuclearWPrim")
258  << "0 Calo Energy rejected but still not sufficient. Size of not enough calo Energy secondary candidates"
259  << candidatesWithTrackExcess.size() << endl;
260  for (map<double, math::XYZTLorentzVectorD>::iterator iter = candidatesWithTrackExcess.begin();
261  iter != candidatesWithTrackExcess.end() && momentumPrim.E() < momentumSec.E();
262  iter++)
263  if (momentumSec.E() > iter->second.E() + 0.1)
264  momentumSec -= iter->second;
265  }
266 
267  double dpt = pfCand.at(ce1).trackRef()->ptError() / pfCand.at(ce1).trackRef()->pt() * 100;
268 
269  if (momentumSec.E() < 0.1) {
270  bMask[ce1] = true;
271  return;
272  }
273 
274  // Rescale the secondary candidates to account for the loss of energy, but only if we can trust the primary track:
275  // if it has more energy than secondaries and is precise enough and secondary exist and was not eaten or rejected during the PFAlgo step.
276 
277  if (((ref1->isTherePrimaryTracks() && dpt < dptRel_PrimaryTrack_) ||
278  (ref1->isThereMergedTracks() && dpt < dptRel_MergedTrack_)) &&
279  momentumPrim.E() > momentumSec.E() && momentumSec.E() > 0.1) {
280  if (bCalibPrimary_) {
281  double factor = rescaleFactor(momentumPrim.Pt(), momentumSec.E() / momentumPrim.E());
282  LogTrace("PFCandConnector|analyseNuclearWPrim") << "factor = " << factor << endl;
283  if (factor * momentumPrim.Pt() < momentumSec.Pt())
284  momentumSec = momentumPrim;
285  else
286  momentumSec += (1 - factor) * momentumPrim;
287  }
288 
289  double px = momentumPrim.Px() * momentumSec.P() / momentumPrim.P();
290  double py = momentumPrim.Py() * momentumSec.P() / momentumPrim.P();
291  double pz = momentumPrim.Pz() * momentumSec.P() / momentumPrim.P();
292  double E = sqrt(px * px + py * py + pz * pz + pion_mass2);
293  math::XYZTLorentzVectorD momentum(px, py, pz, E);
294  pfCand.at(ce1).setP4(momentum);
295 
296  return;
297 
298  } else {
299  math::XYZVector primDir = ref1->primaryDirection();
300 
301  if (primDir.Mag2() < 0.1) {
302  // It might be 0 but this situation should never happend. Throw a warning if it happens.
303  edm::LogWarning("PFCandConnector") << "A Nuclear Interaction do not have primary direction" << std::endl;
304  pfCand.at(ce1).setP4(momentumSec);
305  return;
306  } else {
307  // rescale the primary direction to the optimal momentum. But take care of the factthat it shall not be completly 0 to avoid a warning if Jet Area.
308  double momentumS = momentumSec.P();
309  if (momentumS < 1e-4)
310  momentumS = 1e-4;
311  double px = momentumS * primDir.x();
312  double py = momentumS * primDir.y();
313  double pz = momentumS * primDir.z();
314  double E = sqrt(px * px + py * py + pz * pz + pion_mass2);
315 
316  math::XYZTLorentzVectorD momentum(px, py, pz, E);
317  pfCand.at(ce1).setP4(momentum);
318  return;
319  }
320  }
321 }
double ecalEnergy() const
return corrected Ecal energy
Definition: PFCandidate.h:221
bool isNonnull() const
Checks for non-null.
Definition: Ref.h:238
bool isPrimaryNucl(const reco::PFCandidate &pf) const
ROOT::Math::LorentzVector< ROOT::Math::PxPyPzE4D< double > > XYZTLorentzVectorD
Lorentz vector with cylindrical internal representation using pseudorapidity.
Definition: LorentzVector.h:14
bool isSecondaryNucl(const reco::PFCandidate &pf) const
double rescaleFactor(const double pt, const double cFrac) const
Return a calibration factor for a reconstructed nuclear interaction.
static const reco::PFCandidate::Flags fT_FROM_DISP_
static const reco::PFCandidate::Flags fT_TO_DISP_
const LorentzVector & p4() const final
four-momentum Lorentz vector
#define LogTrace(id)
std::vector< ElementInBlock > ElementsInBlocks
Definition: PFCandidate.h:404
reco::PFDisplacedVertexRef displacedVertexRef(Flags type) const
Definition: PFCandidate.cc:503
U second(std::pair< T, U > const &p)
T sqrt(T t)
Definition: SSEVec.h:19
void analyseNuclearWPrim(reco::PFCandidateCollection &, std::vector< bool > &, unsigned int) const
Analyse nuclear interactions where a primary or merged track is present.
static const double pion_mass2
Useful constants.
XYZVectorD XYZVector
spatial vector with cartesian internal representation
Definition: Vector3D.h:31
bool bCalibPrimary_
Calibration parameters for the reconstructed nuclear interactions.
double dptRel_PrimaryTrack_
Particle reconstructed by the particle flow algorithm.
Definition: PFCandidate.h:41
double hcalEnergy() const
return corrected Hcal energy
Definition: PFCandidate.h:233
Log< level::Warning, false > LogWarning
double dptRel_MergedTrack_
void PFCandConnector::analyseNuclearWSec ( reco::PFCandidateCollection pfCand,
std::vector< bool > &  bMask,
unsigned int  ce1 
) const
private

Analyse nuclear interactions where a secondary track is present.

Definition at line 323 of file PFCandConnector.cc.

References reco::PFCandidate::e, alignCSCRings::e, first, LogTrace, reco::HitPattern::MISSING_OUTER_HITS, reco::PFCandidate::mu, reco::LeafCandidate::p4(), reco::TrackBase::pt(), tkAlTrackRefitSequence_cff::refittedTracks, edm::second(), and mathSSE::sqrt().

325  {
326  PFDisplacedVertexRef ref1, ref2;
327 
328  // Check if the track excess was not too large and track may miss some outer hits. This may point to a secondary NI.
329 
330  double caloEn = pfCand.at(ce1).ecalEnergy() + pfCand.at(ce1).hcalEnergy();
331  double deltaEn = pfCand.at(ce1).p4().E() - caloEn;
332  int nMissOuterHits = pfCand.at(ce1).trackRef()->hitPattern().numberOfLostHits(reco::HitPattern::MISSING_OUTER_HITS);
333 
334  ref1 = pfCand.at(ce1).displacedVertexRef(fT_FROM_DISP_);
335 
336  // ------- check if an electron or a muon vas spotted as incoming track -------- //
337  // ------- this mean probably that the NI was fake thus we do not correct it -------- /
338 
339  if (ref1->isTherePrimaryTracks() || ref1->isThereMergedTracks()) {
340  std::vector<reco::Track> refittedTracks = ref1->refittedTracks();
341  for (unsigned it = 0; it < refittedTracks.size(); it++) {
342  reco::TrackBaseRef primaryBaseRef = ref1->originalTrack(refittedTracks[it]);
343  if (ref1->isIncomingTrack(primaryBaseRef))
344  LogTrace("PFCandConnector|analyseNuclearWSec")
345  << "There is a Primary track ref with pt = " << primaryBaseRef->pt() << endl;
346 
347  for (unsigned int ce = 0; ce < pfCand.size(); ++ce) {
348  // cout << "PFCand Id = " << (pfCand.at(ce)).particleId() << endl;
349  if ((pfCand.at(ce)).particleId() == reco::PFCandidate::e ||
350  (pfCand.at(ce)).particleId() == reco::PFCandidate::mu) {
351  LogTrace("PFCandConnector|analyseNuclearWSec")
352  << " It is an electron and it has a ref to a track " << (pfCand.at(ce)).trackRef().isNonnull() << endl;
353 
354  if ((pfCand.at(ce)).trackRef().isNonnull()) {
355  reco::TrackRef tRef = (pfCand.at(ce)).trackRef();
356  reco::TrackBaseRef bRef(tRef);
357  LogTrace("PFCandConnector|analyseNuclearWSec")
358  << "With Track Ref pt = " << (pfCand.at(ce)).trackRef()->pt() << endl;
359 
360  if (bRef == primaryBaseRef) {
361  if ((pfCand.at(ce)).particleId() == reco::PFCandidate::e)
362  LogTrace("PFCandConnector|analyseNuclearWSec")
363  << "It is a NI from electron. NI Discarded. Just release the candidate." << endl;
364  if ((pfCand.at(ce)).particleId() == reco::PFCandidate::mu)
365  LogTrace("PFCandConnector|analyseNuclearWSec")
366  << "It is a NI from muon. NI Discarded. Just release the candidate" << endl;
367 
368  // release the track but take care of not overcounting bad tracks. In fact those tracks was protected against destruction in
369  // PFAlgo. Now we treat them as if they was treated in PFAlgo
370 
371  if (caloEn < 0.1 && pfCand.at(ce1).trackRef()->ptError() > ptErrorSecondary_) {
372  edm::LogInfo("PFCandConnector|analyseNuclearWSec")
373  << "discarded track since no calo energy and ill measured" << endl;
374  bMask[ce1] = true;
375  }
376  if (caloEn > 0.1 && deltaEn > ptErrorSecondary_ &&
377  pfCand.at(ce1).trackRef()->ptError() > ptErrorSecondary_) {
378  edm::LogInfo("PFCandConnector|analyseNuclearWSec")
379  << "rescaled momentum of the track since no calo energy and ill measured" << endl;
380 
381  double factor = caloEn / pfCand.at(ce1).p4().E();
382  pfCand.at(ce1).rescaleMomentum(factor);
383  }
384 
385  return;
386  }
387  }
388  }
389  }
390  }
391  }
392 
393  PFCandidate secondaryCand = pfCand.at(ce1);
394 
395  math::XYZTLorentzVectorD momentumSec = secondaryCand.p4();
396 
397  if (deltaEn > ptErrorSecondary_ && nMissOuterHits > 1) {
398  math::XYZTLorentzVectorD momentumToAdd = pfCand.at(ce1).p4() * caloEn / pfCand.at(ce1).p4().E();
399  momentumSec = momentumToAdd;
400  LogTrace("PFCandConnector|analyseNuclearWSec")
401  << "The difference track-calo s really large and the track miss at least 2 hits. A secondary NI may have "
402  "happened. Let's trust the calo energy"
403  << endl
404  << "add " << momentumToAdd << endl;
405  }
406 
407  // ------- look for the little friends -------- //
408  for (unsigned int ce2 = ce1 + 1; ce2 < pfCand.size(); ++ce2) {
409  if (isSecondaryNucl(pfCand.at(ce2))) {
410  ref2 = (pfCand.at(ce2)).displacedVertexRef(fT_FROM_DISP_);
411 
412  if (ref1 == ref2) {
413  LogTrace("PFCandConnector|analyseNuclearWSec")
414  << "\t here is a Secondary Candidate " << ce2 << " " << pfCand.at(ce2) << endl
415  << "\t based on the Track " << pfCand.at(ce2).trackRef().key()
416  << " w pT = " << pfCand.at(ce2).trackRef()->pt() << " #pm " << pfCand.at(ce2).trackRef()->ptError() << " %"
417  << " ECAL = " << pfCand.at(ce2).ecalEnergy() << " HCAL = " << pfCand.at(ce2).hcalEnergy()
418  << " dE(Trk-CALO) = "
419  << pfCand.at(ce2).trackRef()->p() - pfCand.at(ce2).ecalEnergy() - pfCand.at(ce2).hcalEnergy()
420  << " Nmissing hits = "
421  << pfCand.at(ce2).trackRef()->hitPattern().numberOfLostHits(reco::HitPattern::MISSING_OUTER_HITS) << endl;
422 
423  // Take now the parameters of the secondary track that are relevant and use them to construct the NI candidate
424  PFCandidate::ElementsInBlocks elementsInBlocks = pfCand.at(ce2).elementsInBlocks();
425  PFCandidate::ElementsInBlocks elementsAlreadyInBlocks = pfCand.at(ce1).elementsInBlocks();
426  for (unsigned blockElem = 0; blockElem < elementsInBlocks.size(); blockElem++) {
427  bool isAlreadyHere = false;
428  for (unsigned alreadyBlock = 0; alreadyBlock < elementsAlreadyInBlocks.size(); alreadyBlock++) {
429  if (elementsAlreadyInBlocks[alreadyBlock].second == elementsInBlocks[blockElem].second)
430  isAlreadyHere = true;
431  }
432  if (!isAlreadyHere)
433  pfCand.at(ce1).addElementInBlock(elementsInBlocks[blockElem].first, elementsInBlocks[blockElem].second);
434  }
435 
436  double caloEn = pfCand.at(ce2).ecalEnergy() + pfCand.at(ce2).hcalEnergy();
437  double deltaEn = pfCand.at(ce2).p4().E() - caloEn;
438  int nMissOuterHits =
439  pfCand.at(ce2).trackRef()->hitPattern().numberOfLostHits(reco::HitPattern::MISSING_OUTER_HITS);
440  if (deltaEn > ptErrorSecondary_ && nMissOuterHits > 1) {
441  math::XYZTLorentzVectorD momentumToAdd = pfCand.at(ce2).p4() * caloEn / pfCand.at(ce2).p4().E();
442  momentumSec += momentumToAdd;
443  LogTrace("PFCandConnector|analyseNuclearWSec")
444  << "The difference track-calo s really large and the track miss at least 2 hits. A secondary NI may "
445  "have happened. Let's trust the calo energy"
446  << endl
447  << "add " << momentumToAdd << endl;
448  } else {
449  momentumSec += (pfCand.at(ce2)).p4();
450  }
451 
452  bMask[ce2] = true;
453  }
454  }
455  }
456 
457  math::XYZVector primDir = ref1->primaryDirection();
458 
459  if (primDir.Mag2() < 0.1) {
460  // It might be 0 but this situation should never happend. Throw a warning if it happens.
461  pfCand.at(ce1).setP4(momentumSec);
462  edm::LogWarning("PFCandConnector") << "A Nuclear Interaction do not have primary direction" << std::endl;
463  return;
464  } else {
465  // rescale the primary direction to the optimal momentum. But take care of the factthat it shall not be completly 0 to avoid a warning if Jet Area.
466  double momentumS = momentumSec.P();
467  if (momentumS < 1e-4)
468  momentumS = 1e-4;
469  double px = momentumS * primDir.x();
470  double py = momentumS * primDir.y();
471  double pz = momentumS * primDir.z();
472  double E = sqrt(px * px + py * py + pz * pz + pion_mass2);
473 
474  math::XYZTLorentzVectorD momentum(px, py, pz, E);
475 
476  pfCand.at(ce1).setP4(momentum);
477  return;
478  }
479 }
ROOT::Math::LorentzVector< ROOT::Math::PxPyPzE4D< double > > XYZTLorentzVectorD
Lorentz vector with cylindrical internal representation using pseudorapidity.
Definition: LorentzVector.h:14
bool isSecondaryNucl(const reco::PFCandidate &pf) const
static const reco::PFCandidate::Flags fT_FROM_DISP_
const LorentzVector & p4() const final
four-momentum Lorentz vector
#define LogTrace(id)
std::vector< ElementInBlock > ElementsInBlocks
Definition: PFCandidate.h:404
U second(std::pair< T, U > const &p)
T sqrt(T t)
Definition: SSEVec.h:19
double pt() const
track transverse momentum
Definition: TrackBase.h:637
static const double pion_mass2
Useful constants.
Log< level::Info, false > LogInfo
XYZVectorD XYZVector
spatial vector with cartesian internal representation
Definition: Vector3D.h:31
Particle reconstructed by the particle flow algorithm.
Definition: PFCandidate.h:41
Log< level::Warning, false > LogWarning
reco::PFCandidateCollection PFCandConnector::connect ( reco::PFCandidateCollection pfCand) const

Collection of primary PFCandidates to be transmitted to the Event

A mask to define the candidates which shall not be transmitted

Definition at line 63 of file PFCandConnector.cc.

References LogTrace, and reco::HitPattern::MISSING_OUTER_HITS.

Referenced by PFAlgo::makeConnectedCandidates(), and o2o_db_cfgmap.DbManagerDAQ::update_hashmap().

63  {
67  std::vector<bool> bMask;
68  bMask.resize(pfCand.size(), false);
69 
70  // loop on primary
71  if (bCorrect_) {
72  LogTrace("PFCandConnector|connect") << "pfCand.size()=" << pfCand.size() << "bCalibPrimary_=" << bCalibPrimary_;
73 
74  for (unsigned int ce1 = 0; ce1 < pfCand.size(); ++ce1) {
75  if (isPrimaryNucl(pfCand.at(ce1))) {
76  LogTrace("PFCandConnector|connect")
77  << "" << endl
78  << "Nuclear Interaction w Primary Candidate " << ce1 << " " << pfCand.at(ce1) << endl
79  << " based on the Track " << pfCand.at(ce1).trackRef().key()
80  << " w pT = " << pfCand.at(ce1).trackRef()->pt() << " #pm "
81  << pfCand.at(ce1).trackRef()->ptError() / pfCand.at(ce1).trackRef()->pt() * 100 << " %"
82  << " ECAL = " << pfCand.at(ce1).ecalEnergy() << " HCAL = " << pfCand.at(ce1).hcalEnergy() << endl;
83 
84 #ifdef EDM_ML_DEBUG
85  (pfCand.at(ce1)).displacedVertexRef(fT_TO_DISP_)->Dump();
86 #endif
87 
88  analyseNuclearWPrim(pfCand, bMask, ce1);
89 
90 #ifdef EDM_ML_DEBUG
91  LogTrace("PFCandConnector|connect")
92  << "After Connection the candidate " << ce1 << " is " << pfCand.at(ce1) << endl
93  << endl;
94 
95  PFCandidate::ElementsInBlocks elementsInBlocks = pfCand.at(ce1).elementsInBlocks();
96  for (unsigned blockElem = 0; blockElem < elementsInBlocks.size(); blockElem++) {
97  if (blockElem == 0)
98  LogTrace("PFCandConnector|connect") << *(elementsInBlocks[blockElem].first) << endl;
99  LogTrace("PFCandConnector|connect") << " position " << elementsInBlocks[blockElem].second;
100  }
101 #endif
102  }
103  }
104 
105  for (unsigned int ce1 = 0; ce1 < pfCand.size(); ++ce1) {
106  if (!bMask[ce1] && isSecondaryNucl(pfCand.at(ce1))) {
107  LogTrace("PFCandConnector|connect")
108  << "" << endl
109  << "Nuclear Interaction w no Primary Candidate " << ce1 << " " << pfCand.at(ce1) << endl
110  << " based on the Track " << pfCand.at(ce1).trackRef().key()
111  << " w pT = " << pfCand.at(ce1).trackRef()->pt() << " #pm " << pfCand.at(ce1).trackRef()->ptError() << " %"
112  << " ECAL = " << pfCand.at(ce1).ecalEnergy() << " HCAL = " << pfCand.at(ce1).hcalEnergy()
113  << " dE(Trk-CALO) = "
114  << pfCand.at(ce1).trackRef()->p() - pfCand.at(ce1).ecalEnergy() - pfCand.at(ce1).hcalEnergy()
115  << " Nmissing hits = "
116  << pfCand.at(ce1).trackRef()->hitPattern().numberOfLostHits(reco::HitPattern::MISSING_OUTER_HITS) << endl;
117 
118 #ifdef EDM_ML_DEBUG
119  (pfCand.at(ce1)).displacedVertexRef(fT_FROM_DISP_)->Dump();
120 #endif
121 
122  analyseNuclearWSec(pfCand, bMask, ce1);
123 
124 #ifdef EDM_ML_DEBUG
125  LogTrace("PFCandConnector|connect") << "After Connection the candidate " << ce1 << " is " << pfCand.at(ce1)
126  << " and elements connected to it are: " << endl;
127 
128  PFCandidate::ElementsInBlocks elementsInBlocks = pfCand.at(ce1).elementsInBlocks();
129  for (unsigned blockElem = 0; blockElem < elementsInBlocks.size(); blockElem++) {
130  if (blockElem == 0)
131  LogTrace("PFCandConnector|connect") << *(elementsInBlocks[blockElem].first) << endl;
132  LogTrace("PFCandConnector|connect") << " position " << elementsInBlocks[blockElem].second;
133  }
134 #endif
135  }
136  }
137  }
138 
139  for (unsigned int ce1 = 0; ce1 < pfCand.size(); ++ce1)
140  if (!bMask[ce1])
141  pfC.push_back(pfCand.at(ce1));
142 
143  LogTrace("PFCandConnector|connect") << "end of function";
144 
145  return pfC;
146 }
bool isPrimaryNucl(const reco::PFCandidate &pf) const
bool isSecondaryNucl(const reco::PFCandidate &pf) const
void analyseNuclearWSec(reco::PFCandidateCollection &, std::vector< bool > &, unsigned int) const
Analyse nuclear interactions where a secondary track is present.
static const reco::PFCandidate::Flags fT_FROM_DISP_
static const reco::PFCandidate::Flags fT_TO_DISP_
#define LogTrace(id)
std::vector< ElementInBlock > ElementsInBlocks
Definition: PFCandidate.h:404
void analyseNuclearWPrim(reco::PFCandidateCollection &, std::vector< bool > &, unsigned int) const
Analyse nuclear interactions where a primary or merged track is present.
std::vector< reco::PFCandidate > PFCandidateCollection
collection of PFCandidates
bool bCalibPrimary_
Calibration parameters for the reconstructed nuclear interactions.
bool bCorrect_
Parameters.
void PFCandConnector::fillPSetDescription ( edm::ParameterSetDescription iDesc)
static

Definition at line 554 of file PFCandConnector.cc.

References edm::ParameterSetDescription::add().

Referenced by PFProducer::fillDescriptions().

554  {
555  iDesc.add<bool>("bCorrect", true);
556  iDesc.add<bool>("bCalibPrimary", true);
557  iDesc.add<double>("dptRel_PrimaryTrack", 10.0);
558  iDesc.add<double>("dptRel_MergedTrack", 5.0);
559  iDesc.add<double>("ptErrorSecondary", 1.0);
560  iDesc.add<std::vector<double>>("nuclCalibFactors", {0.8, 0.15, 0.5, 0.5, 0.05});
561 }
ParameterDescriptionBase * add(U const &iLabel, T const &value)
bool PFCandConnector::isPrimaryNucl ( const reco::PFCandidate pf) const
private

Definition at line 496 of file PFCandConnector.cc.

References reco::PFCandidate::displacedVertexRef(), reco::PFCandidate::flag(), and edm::Ref< C, T, F >::isNonnull().

496  {
498 
499  // nuclear
500  if (pf.flag(fT_TO_DISP_)) {
501  ref1 = pf.displacedVertexRef(fT_TO_DISP_);
502  //ref1->Dump();
503 
504  if (!ref1.isNonnull())
505  return false;
506  else if (ref1->isNucl() || ref1->isNucl_Loose() || ref1->isNucl_Kink())
507  return true;
508  }
509 
510  return false;
511 }
bool isNonnull() const
Checks for non-null.
Definition: Ref.h:238
static const reco::PFCandidate::Flags fT_TO_DISP_
reco::PFDisplacedVertexRef displacedVertexRef(Flags type) const
Definition: PFCandidate.cc:503
bool flag(Flags theFlag) const
return a given flag
Definition: PFCandidate.cc:306
bool PFCandConnector::isSecondaryNucl ( const reco::PFCandidate pf) const
private

Definition at line 481 of file PFCandConnector.cc.

References reco::PFCandidate::displacedVertexRef(), reco::PFCandidate::flag(), and edm::Ref< C, T, F >::isNonnull().

481  {
483  // nuclear
484  if (pf.flag(fT_FROM_DISP_)) {
486  // ref1->Dump();
487  if (!ref1.isNonnull())
488  return false;
489  else if (ref1->isNucl() || ref1->isNucl_Loose() || ref1->isNucl_Kink())
490  return true;
491  }
492 
493  return false;
494 }
bool isNonnull() const
Checks for non-null.
Definition: Ref.h:238
static const reco::PFCandidate::Flags fT_FROM_DISP_
reco::PFDisplacedVertexRef displacedVertexRef(Flags type) const
Definition: PFCandidate.cc:503
bool flag(Flags theFlag) const
return a given flag
Definition: PFCandidate.cc:306
double PFCandConnector::rescaleFactor ( const double  pt,
const double  cFrac 
) const
private

Return a calibration factor for a reconstructed nuclear interaction.

Definition at line 513 of file PFCandConnector.cc.

References funct::exp().

513  {
514  /*
515  LOG NORMAL FIT
516  FCN=35.8181 FROM MIGRAD STATUS=CONVERGED 257 CALLS 258 TOTAL
517  EDM=8.85763e-09 STRATEGY= 1 ERROR MATRIX ACCURATE
518  EXT PARAMETER STEP FIRST
519  NO. NAME VALUE ERROR SIZE DERIVATIVE
520  1 p0 7.99434e-01 2.77264e-02 6.59108e-06 9.80247e-03
521  2 p1 1.51303e-01 2.89981e-02 1.16775e-05 6.99035e-03
522  3 p2 -5.03829e-01 2.87929e-02 1.90070e-05 1.37015e-03
523  4 p3 4.54043e-01 5.00908e-02 3.17625e-05 3.86622e-03
524  5 p4 -4.61736e-02 8.07940e-03 3.25775e-06 -1.37247e-02
525  */
526 
527  /*
528  FCN=34.4051 FROM MIGRAD STATUS=CONVERGED 221 CALLS 222 TOTAL
529  EDM=1.02201e-09 STRATEGY= 1 ERROR MATRIX UNCERTAINTY 2.3 per cent
530 
531  fConst
532  1 p0 7.99518e-01 2.23519e-02 1.41523e-06 4.05975e-04
533  2 p1 1.44619e-01 2.39398e-02 -7.68117e-07 -2.55775e-03
534 
535  fNorm
536  3 p2 -5.16571e-01 3.12362e-02 5.74932e-07 3.42292e-03
537  4 p3 4.69055e-01 5.09665e-02 1.94353e-07 1.69031e-03
538 
539  fExp
540  5 p4 -5.18044e-02 8.13458e-03 4.29815e-07 -1.07624e-02
541  */
542 
543  double fConst, fNorm, fExp;
544 
545  fConst = fConst_[0] + fConst_[1] * cFrac;
546  fNorm = fNorm_[0] - fNorm_[1] * cFrac;
547  fExp = fExp_[0];
548 
549  double factor = fConst - fNorm * exp(-fExp * pt);
550 
551  return factor;
552 }
Exp< T >::type exp(const T &t)
Definition: Exp.h:22
std::vector< double > fExp_
std::vector< double > fNorm_
std::vector< double > fConst_
void PFCandConnector::setParameters ( const edm::ParameterSet iCfgCandConnector)
inline

Flag to apply the correction procedure for nuclear interactions

Flag to calibrate the reconstructed nuclear interactions with primary or merged tracks

Definition at line 30 of file PFCandConnector.h.

References edm::ParameterSet::exists(), and edm::ParameterSet::getParameter().

Referenced by PFAlgo::setCandConnectorParameters().

30  {
31  bool bCorrect, bCalibPrimary;
32  double dptRel_PrimaryTrack, dptRel_MergedTrack, ptErrorSecondary;
33  std::vector<double> nuclCalibFactors;
34 
36  bCorrect = iCfgCandConnector.getParameter<bool>("bCorrect");
38  bCalibPrimary = iCfgCandConnector.getParameter<bool>("bCalibPrimary");
39 
40  if (iCfgCandConnector.exists("dptRel_PrimaryTrack"))
41  dptRel_PrimaryTrack = iCfgCandConnector.getParameter<double>("dptRel_PrimaryTrack");
42  else {
43  edm::LogWarning("PFCandConnector") << "dptRel_PrimaryTrack doesn't exist. Setting a default safe value 0"
44  << std::endl;
45  dptRel_PrimaryTrack = 0;
46  }
47 
48  if (iCfgCandConnector.exists("dptRel_MergedTrack"))
49  dptRel_MergedTrack = iCfgCandConnector.getParameter<double>("dptRel_MergedTrack");
50  else {
51  edm::LogWarning("PFCandConnector") << "dptRel_MergedTrack doesn't exist. Setting a default safe value 0"
52  << std::endl;
53  dptRel_MergedTrack = 0;
54  }
55 
56  if (iCfgCandConnector.exists("ptErrorSecondary"))
57  ptErrorSecondary = iCfgCandConnector.getParameter<double>("ptErrorSecondary");
58  else {
59  edm::LogWarning("PFCandConnector") << "ptErrorSecondary doesn't exist. Setting a default safe value 0"
60  << std::endl;
61  ptErrorSecondary = 0;
62  }
63 
64  if (iCfgCandConnector.exists("nuclCalibFactors"))
65  nuclCalibFactors = iCfgCandConnector.getParameter<std::vector<double> >("nuclCalibFactors");
66  else {
67  edm::LogWarning("PFCandConnector") << "nuclear calib factors doesn't exist the factor would not be applyed"
68  << std::endl;
69  }
70 
71  setParameters(bCorrect, bCalibPrimary, dptRel_PrimaryTrack, dptRel_MergedTrack, ptErrorSecondary, nuclCalibFactors);
72  }
bool exists(std::string const &parameterName) const
checks if a parameter exists
T getParameter(std::string const &) const
Definition: ParameterSet.h:303
void setParameters(const edm::ParameterSet &iCfgCandConnector)
Log< level::Warning, false > LogWarning
void PFCandConnector::setParameters ( bool  bCorrect,
bool  bCalibPrimary,
double  dptRel_PrimaryTrack,
double  dptRel_MergedTrack,
double  ptErrorSecondary,
const std::vector< double > &  nuclCalibFactors 
)

Definition at line 15 of file PFCandConnector.cc.

References AlCaHLTBitMon_QueryRunRegistry::string.

20  {
21  bCorrect_ = bCorrect;
22  bCalibPrimary_ = bCalibPrimary;
23  dptRel_PrimaryTrack_ = dptRel_PrimaryTrack;
24  dptRel_MergedTrack_ = dptRel_MergedTrack;
25  ptErrorSecondary_ = ptErrorSecondary;
26 
27  if (nuclCalibFactors.size() == 5) {
28  fConst_[0] = nuclCalibFactors[0];
29  fConst_[1] = nuclCalibFactors[1];
30 
31  fNorm_[0] = nuclCalibFactors[2];
32  fNorm_[1] = nuclCalibFactors[3];
33 
34  fExp_[0] = nuclCalibFactors[4];
35  } else {
36  edm::LogWarning("PFCandConnector")
37  << "Wrong calibration factors for nuclear interactions. The calibration procedure would not be applyed."
38  << std::endl;
39  bCalibPrimary_ = false;
40  }
41 
42  std::string sCorrect = bCorrect_ ? "On" : "Off";
43  edm::LogInfo("PFCandConnector") << " ====================== The PFCandConnector is switched " << sCorrect.c_str()
44  << " ==================== " << std::endl;
45  std::string sCalibPrimary = bCalibPrimary_ ? "used for calibration" : "not used for calibration";
46  if (bCorrect_)
47  edm::LogInfo("PFCandConnector") << "Primary Tracks are " << sCalibPrimary.c_str() << std::endl;
49  edm::LogInfo("PFCandConnector") << "Under the condition that the precision on the Primary track is better than "
50  << dptRel_PrimaryTrack_ << " % " << std::endl;
52  edm::LogInfo("PFCandConnector") << " and on merged tracks better than " << dptRel_MergedTrack_ << " % "
53  << std::endl;
55  edm::LogInfo("PFCandConnector") << " and secondary tracks in some cases more precise than "
56  << ptErrorSecondary_ << " GeV" << std::endl;
58  edm::LogInfo("PFCandConnector") << "factor = (" << fConst_[0] << " + " << fConst_[1] << "*cFrac) - (" << fNorm_[0]
59  << " - " << fNorm_[1] << "cFrac)*exp( " << -1 * fExp_[0] << "*pT )" << std::endl;
60  edm::LogInfo("PFCandConnector") << " =========================================================== " << std::endl;
61 }
std::vector< double > fExp_
std::vector< double > fNorm_
std::vector< double > fConst_
Log< level::Info, false > LogInfo
double dptRel_PrimaryTrack_
bool bCalibPrimary_
Calibration parameters for the reconstructed nuclear interactions.
bool bCorrect_
Parameters.
Log< level::Warning, false > LogWarning
double dptRel_MergedTrack_

Member Data Documentation

bool PFCandConnector::bCalibPrimary_
private

Calibration parameters for the reconstructed nuclear interactions.

Definition at line 103 of file PFCandConnector.h.

Referenced by PFCandConnector().

bool PFCandConnector::bCorrect_
private

Parameters.

Definition at line 100 of file PFCandConnector.h.

Referenced by PFCandConnector().

double PFCandConnector::dptRel_MergedTrack_
private

Definition at line 110 of file PFCandConnector.h.

Referenced by PFCandConnector().

double PFCandConnector::dptRel_PrimaryTrack_
private

Definition at line 109 of file PFCandConnector.h.

Referenced by PFCandConnector().

std::vector<double> PFCandConnector::fConst_
private

Definition at line 104 of file PFCandConnector.h.

Referenced by PFCandConnector().

std::vector<double> PFCandConnector::fExp_
private

Definition at line 106 of file PFCandConnector.h.

Referenced by PFCandConnector().

std::vector<double> PFCandConnector::fNorm_
private

Definition at line 105 of file PFCandConnector.h.

Referenced by PFCandConnector().

const reco::PFCandidate::Flags PFCandConnector::fT_FROM_DISP_ = PFCandidate::T_FROM_DISP
staticprivate

Definition at line 116 of file PFCandConnector.h.

const reco::PFCandidate::Flags PFCandConnector::fT_TO_DISP_ = PFCandidate::T_TO_DISP
staticprivate

Definition at line 115 of file PFCandConnector.h.

const double PFCandConnector::pion_mass2 = 0.0194
staticprivate

Useful constants.

Definition at line 114 of file PFCandConnector.h.

double PFCandConnector::ptErrorSecondary_
private

Definition at line 111 of file PFCandConnector.h.

Referenced by PFCandConnector().