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BSFitter Class Reference

#include <BSFitter.h>

Public Member Functions

 BSFitter ()
 
 BSFitter (const std::vector< BSTrkParameters > &BSvector)
 
void d0phi_Init ()
 
reco::BeamSpot Fit ()
 
reco::BeamSpot Fit (double *inipar)
 
reco::BeamSpot Fit_d0phi ()
 
reco::BeamSpot Fit_d_likelihood (double *inipar)
 
reco::BeamSpot Fit_d_z_likelihood (double *inipar, double *error_par)
 
reco::BeamSpot Fit_dres_z_likelihood (double *inipar)
 
reco::BeamSpot Fit_ited0phi ()
 
reco::BeamSpot Fit_z (std::string type, double *inipar)
 
reco::BeamSpot Fit_z_chi2 (double *inipar)
 
reco::BeamSpot Fit_z_likelihood (double *inipar)
 
int GetAcceptedTrks ()
 
std::vector< BSTrkParameters > GetData ()
 
double GetMinimum ()
 
reco::BeamSpot::ResCovMatrix GetResMatrix ()
 
double GetResPar0 ()
 
double GetResPar0Err ()
 
double GetResPar1 ()
 
double GetResPar1Err ()
 
TH1F * GetVzHisto ()
 
double scanPDF (double *init_pars, int &tracksFailed, int option)
 
void SetChi2Cut_d0phi (double chi2cut)
 
void SetConvergence (double val)
 
void Setd0Cut_d0phi (double d0cut)
 
void SetFitType (std::string type)
 
void SetFitVariable (std::string name)
 
void SetInputBeamWidth (double val)
 
void SetMaximumZ (double z)
 
void SetMinimumNTrks (int n)
 
virtual ~BSFitter ()
 

Private Attributes

bool fapplychi2cut
 
bool fapplyd0cut
 
reco::BeamSpot::BeamType fbeamtype
 
std::vector< BSTrkParameters > fBSvector
 
std::vector< BSTrkParameters > fBSvectorBW
 
double fchi2cut
 
double fconvergence
 
double fd0cut
 
double ff_minimum
 
std::string ffit_type
 
std::string ffit_variable
 
double finputBeamWidth
 
double fMaxZ
 
int fminNtrks
 
int fnthite
 
std::string fpar_name [fdim]
 
double fres_c0_err
 
double fres_c1_err
 
reco::BeamSpot::ResCovMatrix fres_matrix
 
double fresolution_c0
 
double fresolution_c1
 
Double_t fsqrt2pi
 
TMatrixD ftmp
 
int ftmprow
 
bool goodfit
 
TH1F * h1z
 
ROOT::Minuit2::ModularFunctionMinimizer * theFitter
 
BSpdfsFcn * thePDF
 

Static Private Attributes

static const int fdim = 7
 

Detailed Description

class: BSFitter.h package: RecoVertex/BeamSpotProducer

author: Francisco Yumiceva, Fermilab (yumic.nosp@m.eva@.nosp@m.fnal..nosp@m.gov)

Definition at line 30 of file BSFitter.h.

Constructor & Destructor Documentation

◆ BSFitter() [1/2]

BSFitter::BSFitter ( )

Definition at line 41 of file BSFitter.cc.

41  {
42  fbeamtype = reco::BeamSpot::Unknown;
43 
44  //In order to make fitting ROOT histograms thread safe
45  // one must call this undocumented function
46  TMinuitMinimizer::UseStaticMinuit(false);
47 }

References reco::BeamSpot::Unknown.

◆ BSFitter() [2/2]

BSFitter::BSFitter ( const std::vector< BSTrkParameters > &  BSvector)

Definition at line 50 of file BSFitter.cc.

50  {
51  //In order to make fitting ROOT histograms thread safe
52  // one must call this undocumented function
53  TMinuitMinimizer::UseStaticMinuit(false);
54 
55  ffit_type = "default";
56  ffit_variable = "default";
57 
58  fBSvector = BSvector;
59 
60  fsqrt2pi = sqrt(2. * TMath::Pi());
61 
62  fpar_name[0] = "z0 ";
63  fpar_name[1] = "SigmaZ0 ";
64  fpar_name[2] = "X0 ";
65  fpar_name[3] = "Y0 ";
66  fpar_name[4] = "dxdz ";
67  fpar_name[5] = "dydz ";
68  fpar_name[6] = "SigmaBeam ";
69 
70  //if (theGausszFcn == 0 ) {
71  thePDF = new BSpdfsFcn();
72 
73  //}
74  //if (theFitter == 0 ) {
75 
76  theFitter = new VariableMetricMinimizer();
77 
78  //}
79 
80  fapplyd0cut = false;
81  fapplychi2cut = false;
82  ftmprow = 0;
83  ftmp.ResizeTo(4, 1);
84  ftmp.Zero();
85  fnthite = 0;
86  fMaxZ = 50.; //cm
87  fconvergence = 0.5; // stop fit when 50% of the input collection has been removed.
88  fminNtrks = 100;
89  finputBeamWidth = -1; // no input
90 
91  h1z = new TH1F("h1z", "z distribution", 200, -fMaxZ, fMaxZ);
92 }

References Pi, and mathSSE::sqrt().

◆ ~BSFitter()

BSFitter::~BSFitter ( )
virtual

Definition at line 95 of file BSFitter.cc.

95  {
96  //delete fBSvector;
97  delete thePDF;
98  delete theFitter;
99 }

Member Function Documentation

◆ d0phi_Init()

void BSFitter::d0phi_Init ( )
inline

Definition at line 62 of file BSFitter.h.

62  {
63  ftmprow = 0;
64  ftmp.ResizeTo(4, 1);
65  ftmp.Zero();
66  fnthite = 0;
67  goodfit = true;
68  }

References fnthite, ftmp, ftmprow, and goodfit.

◆ Fit() [1/2]

reco::BeamSpot BSFitter::Fit ( )

Definition at line 102 of file BSFitter.cc.

102 { return this->Fit(nullptr); }

Referenced by BeamFitter::runAllFitter(), BeamFitter::runBeamWidthFitter(), and BeamFitter::runFitterNoTxt().

◆ Fit() [2/2]

reco::BeamSpot BSFitter::Fit ( double *  inipar = nullptr)

Definition at line 105 of file BSFitter.cc.

105  {
106  fbeamtype = reco::BeamSpot::Unknown;
107  if (ffit_variable == "z") {
108  if (ffit_type == "chi2") {
109  return Fit_z_chi2(inipar);
110 
111  } else if (ffit_type == "likelihood") {
112  return Fit_z_likelihood(inipar);
113 
114  } else if (ffit_type == "combined") {
115  reco::BeamSpot tmp_beamspot = Fit_z_chi2(inipar);
116  double tmp_par[2] = {tmp_beamspot.z0(), tmp_beamspot.sigmaZ()};
117  return Fit_z_likelihood(tmp_par);
118 
119  } else {
120  throw cms::Exception("LogicError")
121  << "Error in BeamSpotProducer/BSFitter: "
122  << "Illegal fit type, options are chi2,likelihood or combined(ie. first chi2 then likelihood)";
123  }
124  } else if (ffit_variable == "d") {
125  if (ffit_type == "d0phi") {
126  this->d0phi_Init();
127  return Fit_d0phi();
128 
129  } else if (ffit_type == "likelihood") {
130  return Fit_d_likelihood(inipar);
131 
132  } else if (ffit_type == "combined") {
133  this->d0phi_Init();
134  reco::BeamSpot tmp_beamspot = Fit_d0phi();
135  double tmp_par[4] = {tmp_beamspot.x0(), tmp_beamspot.y0(), tmp_beamspot.dxdz(), tmp_beamspot.dydz()};
136  return Fit_d_likelihood(tmp_par);
137 
138  } else {
139  throw cms::Exception("LogicError") << "Error in BeamSpotProducer/BSFitter: "
140  << "Illegal fit type, options are d0phi, likelihood or combined";
141  }
142  } else if (ffit_variable == "d*z" || ffit_variable == "default") {
143  if (ffit_type == "likelihood" || ffit_type == "default") {
144  reco::BeamSpot::CovarianceMatrix matrix;
145  // we are now fitting Z inside d0phi fitter
146  // first fit z distribution using a chi2 fit
147  //reco::BeamSpot tmp_z = Fit_z_chi2(inipar);
148  //for (int j = 2 ; j < 4 ; ++j) {
149  //for(int k = j ; k < 4 ; ++k) {
150  // matrix(j,k) = tmp_z.covariance()(j,k);
151  //}
152  //}
153 
154  // use d0-phi algorithm to extract transverse position
155  this->d0phi_Init();
156  //reco::BeamSpot tmp_d0phi= Fit_d0phi(); // change to iterative procedure:
157  this->Setd0Cut_d0phi(4.0);
158  reco::BeamSpot tmp_d0phi = Fit_ited0phi();
159 
160  //for (int j = 0 ; j < 2 ; ++j) {
161  // for(int k = j ; k < 2 ; ++k) {
162  // matrix(j,k) = tmp_d0phi.covariance()(j,k);
163  //}
164  //}
165  // slopes
166  //for (int j = 4 ; j < 6 ; ++j) {
167  // for(int k = j ; k < 6 ; ++k) {
168  // matrix(j,k) = tmp_d0phi.covariance()(j,k);
169  // }
170  //}
171 
172  // put everything into one object
173  reco::BeamSpot spot(reco::BeamSpot::Point(tmp_d0phi.x0(), tmp_d0phi.y0(), tmp_d0phi.z0()),
174  tmp_d0phi.sigmaZ(),
175  tmp_d0phi.dxdz(),
176  tmp_d0phi.dydz(),
177  0.,
178  tmp_d0phi.covariance(),
179  fbeamtype);
180 
181  //reco::BeamSpot tmp_z = Fit_z_chi2(inipar);
182 
183  //reco::BeamSpot tmp_d0phi = Fit_d0phi();
184 
185  // log-likelihood fit
186  if (ffit_type == "likelihood") {
187  double tmp_par[7] = {
188  tmp_d0phi.x0(), tmp_d0phi.y0(), tmp_d0phi.z0(), tmp_d0phi.sigmaZ(), tmp_d0phi.dxdz(), tmp_d0phi.dydz(), 0.0};
189 
190  double tmp_error_par[7];
191  for (int s = 0; s < 6; s++) {
192  tmp_error_par[s] = pow(tmp_d0phi.covariance()(s, s), 0.5);
193  }
194  tmp_error_par[6] = 0.0;
195 
196  reco::BeamSpot tmp_lh = Fit_d_z_likelihood(tmp_par, tmp_error_par);
197 
198  if (edm::isNotFinite(ff_minimum)) {
199  edm::LogWarning("BSFitter")
200  << "BSFitter: Result is non physical. Log-Likelihood fit to extract beam width did not converge."
201  << std::endl;
202  tmp_lh.setType(reco::BeamSpot::Unknown);
203  return tmp_lh;
204  }
205  return tmp_lh;
206 
207  } else {
208  edm::LogInfo("BSFitter") << "default track-based fit does not extract beam width." << std::endl;
209  return spot;
210  }
211 
212  } else if (ffit_type == "resolution") {
213  reco::BeamSpot tmp_z = Fit_z_chi2(inipar);
214  this->d0phi_Init();
215  reco::BeamSpot tmp_d0phi = Fit_d0phi();
216 
217  double tmp_par[7] = {
218  tmp_d0phi.x0(), tmp_d0phi.y0(), tmp_z.z0(), tmp_z.sigmaZ(), tmp_d0phi.dxdz(), tmp_d0phi.dydz(), 0.0};
219  double tmp_error_par[7];
220  for (int s = 0; s < 6; s++) {
221  tmp_error_par[s] = pow(tmp_par[s], 0.5);
222  }
223  tmp_error_par[6] = 0.0;
224 
225  reco::BeamSpot tmp_beam = Fit_d_z_likelihood(tmp_par, tmp_error_par);
226 
227  double tmp_par2[7] = {tmp_beam.x0(),
228  tmp_beam.y0(),
229  tmp_beam.z0(),
230  tmp_beam.sigmaZ(),
231  tmp_beam.dxdz(),
232  tmp_beam.dydz(),
233  tmp_beam.BeamWidthX()};
234 
235  reco::BeamSpot tmp_lh = Fit_dres_z_likelihood(tmp_par2);
236 
237  if (edm::isNotFinite(ff_minimum)) {
238  edm::LogWarning("BSFitter") << "Result is non physical. Log-Likelihood fit did not converge." << std::endl;
239  tmp_lh.setType(reco::BeamSpot::Unknown);
240  return tmp_lh;
241  }
242  return tmp_lh;
243 
244  } else {
245  throw cms::Exception("LogicError") << "Error in BeamSpotProducer/BSFitter: "
246  << "Illegal fit type, options are likelihood or resolution";
247  }
248  } else {
249  throw cms::Exception("LogicError") << "Error in BeamSpotProducer/BSFitter: "
250  << "Illegal variable type, options are \"z\", \"d\", or \"d*z\"";
251  }
252 }

References reco::BeamSpot::BeamWidthX(), reco::BeamSpot::covariance(), reco::BeamSpot::dxdz(), reco::BeamSpot::dydz(), Exception, edm::isNotFinite(), makeMuonMisalignmentScenario::matrix, funct::pow(), alignCSCRings::s, reco::BeamSpot::setType(), reco::BeamSpot::sigmaZ(), reco::BeamSpot::Unknown, reco::BeamSpot::x0(), reco::BeamSpot::y0(), and reco::BeamSpot::z0().

◆ Fit_d0phi()

reco::BeamSpot BSFitter::Fit_d0phi ( )

Definition at line 410 of file BSFitter.cc.

410  {
411  //LogDebug ("BSFitter") << " we will use " << fBSvector.size() << " tracks.";
412  if (fnthite > 0)
413  edm::LogInfo("BSFitter") << " number of tracks used: " << ftmprow << std::endl;
414  //std::cout << " ftmp = matrix("<<ftmp.GetNrows()<<","<<ftmp.GetNcols()<<")"<<std::endl;
415  //std::cout << " ftmp(0,0)="<<ftmp(0,0)<<std::endl;
416  //std::cout << " ftmp(1,0)="<<ftmp(1,0)<<std::endl;
417  //std::cout << " ftmp(2,0)="<<ftmp(2,0)<<std::endl;
418  //std::cout << " ftmp(3,0)="<<ftmp(3,0)<<std::endl;
419 
420  h1z->Reset();
421 
422  TMatrixD x_result(4, 1);
423  TMatrixDSym V_result(4);
424 
425  TMatrixDSym Vint(4);
426  TMatrixD b(4, 1);
427 
428  //Double_t weightsum = 0;
429 
430  Vint.Zero();
431  b.Zero();
432 
433  TMatrixD g(4, 1);
434  TMatrixDSym temp(4);
435 
436  std::vector<BSTrkParameters>::iterator iparam = fBSvector.begin();
437  ftmprow = 0;
438 
439  //edm::LogInfo ("BSFitter") << " test";
440 
441  //std::cout << "BSFitter: fit" << std::endl;
442 
443  for (iparam = fBSvector.begin(); iparam != fBSvector.end(); ++iparam) {
444  //if(i->weight2 == 0) continue;
445 
446  //if (ftmprow==0) {
447  //std::cout << "d0=" << iparam->d0() << " sigd0=" << iparam->sigd0()
448  //<< " phi0="<< iparam->phi0() << " z0=" << iparam->z0() << std::endl;
449  //std::cout << "d0phi_d0=" << iparam->d0phi_d0() << " d0phi_chi2="<<iparam->d0phi_chi2() << std::endl;
450  //}
451  g(0, 0) = sin(iparam->phi0());
452  g(1, 0) = -cos(iparam->phi0());
453  g(2, 0) = iparam->z0() * g(0, 0);
454  g(3, 0) = iparam->z0() * g(1, 0);
455 
456  // average transverse beam width
457  double sigmabeam2 = 0.006 * 0.006;
458  if (finputBeamWidth > 0)
459  sigmabeam2 = finputBeamWidth * finputBeamWidth;
460  else {
461  //edm::LogWarning("BSFitter") << "using in fit beam width = " << sqrt(sigmabeam2) << std::endl;
462  }
463 
464  //double sigma2 = sigmabeam2 + (iparam->sigd0())* (iparam->sigd0()) / iparam->weight2;
465  // this should be 2*sigmabeam2?
466  double sigma2 = sigmabeam2 + (iparam->sigd0()) * (iparam->sigd0());
467 
468  TMatrixD ftmptrans(1, 4);
469  ftmptrans = ftmptrans.Transpose(ftmp);
470  TMatrixD dcor = ftmptrans * g;
471  double chi2tmp = (iparam->d0() - dcor(0, 0)) * (iparam->d0() - dcor(0, 0)) / sigma2;
472  (*iparam) = BSTrkParameters(
473  iparam->z0(), iparam->sigz0(), iparam->d0(), iparam->sigd0(), iparam->phi0(), iparam->pt(), dcor(0, 0), chi2tmp);
474 
475  bool pass = true;
476  if (fapplyd0cut && fnthite > 0) {
477  if (std::abs(iparam->d0() - dcor(0, 0)) > fd0cut)
478  pass = false;
479  }
480  if (fapplychi2cut && fnthite > 0) {
481  if (chi2tmp > fchi2cut)
482  pass = false;
483  }
484 
485  if (pass) {
486  temp.Zero();
487  for (int j = 0; j < 4; ++j) {
488  for (int k = j; k < 4; ++k) {
489  temp(j, k) += g(j, 0) * g(k, 0);
490  }
491  }
492 
493  Vint += (temp * (1 / sigma2));
494  b += (iparam->d0() / sigma2 * g);
495  //weightsum += sqrt(i->weight2);
496  ftmprow++;
497  h1z->Fill(iparam->z0());
498  }
499  }
500  Double_t determinant;
501  TDecompBK bk(Vint);
502  bk.SetTol(1e-11); //FIXME: find a better way to solve x_result
503  if (!bk.Decompose()) {
504  goodfit = false;
505  edm::LogWarning("BSFitter") << "Decomposition failed, matrix singular ?" << std::endl
506  << "condition number = " << bk.Condition() << std::endl;
507  } else {
508  V_result = Vint.InvertFast(&determinant);
509  x_result = V_result * b;
510  }
511  // for(int j = 0 ; j < 4 ; ++j) {
512  // for(int k = 0 ; k < 4 ; ++k) {
513  // std::cout<<"V_result("<<j<<","<<k<<")="<<V_result(j,k)<<std::endl;
514  // }
515  // }
516  // for (int j=0;j<4;++j){
517  // std::cout<<"x_result("<<j<<",0)="<<x_result(j,0)<<std::endl;
518  // }
519  //LogDebug ("BSFitter") << " d0-phi fit done.";
520  //std::cout<< " d0-phi fit done." << std::endl;
521 
522  //Use our own copy for thread safety
523  // also do not add to global list of functions
524  TF1 fgaus("fgaus", "gaus", 0., 1., TF1::EAddToList::kNo);
525  //returns 0 if OK
526  //auto status = h1z->Fit(&fgaus,"QLM0","",h1z->GetMean() -2.*h1z->GetRMS(),h1z->GetMean() +2.*h1z->GetRMS());
527  auto status =
528  h1z->Fit(&fgaus, "QLN0 SERIAL", "", h1z->GetMean() - 2. * h1z->GetRMS(), h1z->GetMean() + 2. * h1z->GetRMS());
529 
530  //std::cout << "fitted "<< std::endl;
531 
532  //std::cout << "got function" << std::endl;
533  if (status) {
534  //edm::LogError("NoBeamSpotFit")<<"gaussian fit failed. no BS d0 fit";
535 
536  goodfit = false;
537  return reco::BeamSpot();
538  }
539  double fpar[2] = {fgaus.GetParameter(1), fgaus.GetParameter(2)};
540 
541  reco::BeamSpot::CovarianceMatrix matrix;
542  // first two parameters
543  for (int j = 0; j < 2; ++j) {
544  for (int k = j; k < 2; ++k) {
545  matrix(j, k) = V_result(j, k);
546  }
547  }
548  // slope parameters
549  for (int j = 4; j < 6; ++j) {
550  for (int k = j; k < 6; ++k) {
551  matrix(j, k) = V_result(j - 2, k - 2);
552  }
553  }
554 
555  // Z0 and sigmaZ
556  matrix(2, 2) = fgaus.GetParError(1) * fgaus.GetParError(1);
557  matrix(3, 3) = fgaus.GetParError(2) * fgaus.GetParError(2);
558 
559  ftmp = x_result;
560 
561  // x0 and y0 are *not* x,y at z=0, but actually at z=0
562  // to correct for this, we need to translate them to z=z0
563  // using the measured slopes
564  //
565  double x0tmp = x_result(0, 0);
566  double y0tmp = x_result(1, 0);
567 
568  x0tmp += x_result(2, 0) * fpar[0];
569  y0tmp += x_result(3, 0) * fpar[0];
570 
571  return reco::BeamSpot(
572  reco::BeamSpot::Point(x0tmp, y0tmp, fpar[0]), fpar[1], x_result(2, 0), x_result(3, 0), 0., matrix, fbeamtype);
573 }

References funct::abs(), b, align::BeamSpot, funct::cos(), MillePedeFileConverter_cfg::e, g, dqmiolumiharvest::j, dqmdumpme::k, makeMuonMisalignmentScenario::matrix, funct::sin(), mps_update::status, groupFilesInBlocks::temp, and tools::TF1.

Referenced by BeamFitter::runAllFitter().

◆ Fit_d_likelihood()

reco::BeamSpot BSFitter::Fit_d_likelihood ( double *  inipar)

Definition at line 592 of file BSFitter.cc.

592  {
593  thePDF->SetPDFs("PDFGauss_d");
594  thePDF->SetData(fBSvector);
595 
596  MnUserParameters upar;
597  upar.Add("X0", inipar[0], 0.001);
598  upar.Add("Y0", inipar[1], 0.001);
599  upar.Add("Z0", 0., 0.001);
600  upar.Add("sigmaZ", 0., 0.001);
601  upar.Add("dxdz", inipar[2], 0.001);
602  upar.Add("dydz", inipar[3], 0.001);
603 
604  MnMigrad migrad(*thePDF, upar);
605 
606  FunctionMinimum fmin = migrad();
607  ff_minimum = fmin.Fval();
608 
609  reco::BeamSpot::CovarianceMatrix matrix;
610  for (int j = 0; j < 6; ++j) {
611  for (int k = j; k < 6; ++k) {
612  matrix(j, k) = fmin.Error().Matrix()(j, k);
613  }
614  }
615 
616  return reco::BeamSpot(reco::BeamSpot::Point(fmin.Parameters().Vec()(0), fmin.Parameters().Vec()(1), 0.),
617  0.,
618  fmin.Parameters().Vec()(4),
619  fmin.Parameters().Vec()(5),
620  0.,
621  matrix,
622  fbeamtype);
623 }

References align::BeamSpot, dqmiolumiharvest::j, dqmdumpme::k, and makeMuonMisalignmentScenario::matrix.

◆ Fit_d_z_likelihood()

reco::BeamSpot BSFitter::Fit_d_z_likelihood ( double *  inipar,
double *  error_par 
)

Definition at line 718 of file BSFitter.cc.

718  {
719  int tracksFailed = 0;
720 
721  //estimate first guess of beam width and tame 20% extra of it to start
722  inipar[6] = scanPDF(inipar, tracksFailed, 1);
723  error_par[6] = (inipar[6]) * 0.20;
724 
725  //Here remove the tracks which give low pdf and fill into a new vector
726  //std::cout<<"Size of Old vector = "<<(fBSvector.size())<<std::endl;
727  /* double junk= */ scanPDF(inipar, tracksFailed, 2);
728  //std::cout<<"Size of New vector = "<<(fBSvectorBW.size())<<std::endl;
729 
730  //Refill the fBSVector again with new sets of tracks
731  fBSvector.clear();
732  std::vector<BSTrkParameters>::const_iterator iparamBW = fBSvectorBW.begin();
733  for (iparamBW = fBSvectorBW.begin(); iparamBW != fBSvectorBW.end(); ++iparamBW) {
734  fBSvector.push_back(*iparamBW);
735  }
736 
737  thePDF->SetPDFs("PDFGauss_d*PDFGauss_z");
738  thePDF->SetData(fBSvector);
739  MnUserParameters upar;
740 
741  upar.Add("X0", inipar[0], error_par[0]);
742  upar.Add("Y0", inipar[1], error_par[1]);
743  upar.Add("Z0", inipar[2], error_par[2]);
744  upar.Add("sigmaZ", inipar[3], error_par[3]);
745  upar.Add("dxdz", inipar[4], error_par[4]);
746  upar.Add("dydz", inipar[5], error_par[5]);
747  upar.Add("BeamWidthX", inipar[6], error_par[6]);
748 
749  MnMigrad migrad(*thePDF, upar);
750 
751  FunctionMinimum fmin = migrad();
752 
753  // std::cout<<"-----how the fit evoves------"<<std::endl;
754  // std::cout<<fmin<<std::endl;
755 
756  ff_minimum = fmin.Fval();
757 
758  bool ff_nfcn = fmin.HasReachedCallLimit();
759  bool ff_cov = fmin.HasCovariance();
760  bool testing = fmin.IsValid();
761 
762  //Print WARNINGS if minimum did not converged
763  if (!testing) {
764  edm::LogWarning("BSFitter") << "===========>>>>>** WARNING: MINUIT DID NOT CONVERGES PROPERLY !!!!!!" << std::endl;
765  if (ff_nfcn)
766  edm::LogWarning("BSFitter") << "===========>>>>>** WARNING: No. of Calls Exhausted" << std::endl;
767  if (!ff_cov)
768  edm::LogWarning("BSFitter") << "===========>>>>>** WARNING: Covariance did not found" << std::endl;
769  }
770 
771  edm::LogInfo("BSFitter") << "The Total # Tracks used for beam width fit = " << (fBSvectorBW.size()) << std::endl;
772 
773  //Checks after fit is performed
774  double lastIter_pars[7];
775 
776  for (int ip = 0; ip < 7; ip++) {
777  lastIter_pars[ip] = fmin.Parameters().Vec()(ip);
778  }
779 
780  tracksFailed = 0;
781  /* double lastIter_scan= */ scanPDF(lastIter_pars, tracksFailed, 2);
782 
783  edm::LogWarning("BSFitter") << "WARNING: # of tracks which have very low pdf value (pdf_d < 1.0e-05) are = "
784  << tracksFailed << std::endl;
785 
786  //std::cout << " eval= " << ff_minimum
787  // << "/n params[0]= " << fmin.Parameters().Vec()(0) << std::endl;
788 
789  reco::BeamSpot::CovarianceMatrix matrix;
790 
791  for (int j = 0; j < 7; ++j) {
792  for (int k = j; k < 7; ++k) {
793  matrix(j, k) = fmin.Error().Matrix()(j, k);
794  }
795  }
796 
797  return reco::BeamSpot(
798  reco::BeamSpot::Point(fmin.Parameters().Vec()(0), fmin.Parameters().Vec()(1), fmin.Parameters().Vec()(2)),
799  fmin.Parameters().Vec()(3),
800  fmin.Parameters().Vec()(4),
801  fmin.Parameters().Vec()(5),
802  fmin.Parameters().Vec()(6),
803 
804  matrix,
805  fbeamtype);
806 }

References align::BeamSpot, dqmiolumiharvest::j, dqmdumpme::k, and makeMuonMisalignmentScenario::matrix.

◆ Fit_dres_z_likelihood()

reco::BeamSpot BSFitter::Fit_dres_z_likelihood ( double *  inipar)

Definition at line 809 of file BSFitter.cc.

809  {
810  thePDF->SetPDFs("PDFGauss_d_resolution*PDFGauss_z");
811  thePDF->SetData(fBSvector);
812 
813  MnUserParameters upar;
814  upar.Add("X0", inipar[0], 0.001);
815  upar.Add("Y0", inipar[1], 0.001);
816  upar.Add("Z0", inipar[2], 0.001);
817  upar.Add("sigmaZ", inipar[3], 0.001);
818  upar.Add("dxdz", inipar[4], 0.001);
819  upar.Add("dydz", inipar[5], 0.001);
820  upar.Add("BeamWidthX", inipar[6], 0.0001);
821  upar.Add("c0", 0.0010, 0.0001);
822  upar.Add("c1", 0.0090, 0.0001);
823 
824  // fix beam width
825  upar.Fix("BeamWidthX");
826  // number of parameters in fit are 9-1 = 8
827 
828  MnMigrad migrad(*thePDF, upar);
829 
830  FunctionMinimum fmin = migrad();
831  ff_minimum = fmin.Fval();
832 
833  reco::BeamSpot::CovarianceMatrix matrix;
834 
835  for (int j = 0; j < 6; ++j) {
836  for (int k = j; k < 6; ++k) {
837  matrix(j, k) = fmin.Error().Matrix()(j, k);
838  }
839  }
840 
841  //std::cout << " fill resolution values" << std::endl;
842  //std::cout << " matrix size= " << fmin.Error().Matrix().size() << std::endl;
843  //std::cout << " vec(6)="<< fmin.Parameters().Vec()(6) << std::endl;
844  //std::cout << " vec(7)="<< fmin.Parameters().Vec()(7) << std::endl;
845 
846  fresolution_c0 = fmin.Parameters().Vec()(6);
847  fresolution_c1 = fmin.Parameters().Vec()(7);
848  fres_c0_err = sqrt(fmin.Error().Matrix()(6, 6));
849  fres_c1_err = sqrt(fmin.Error().Matrix()(7, 7));
850 
851  for (int j = 6; j < 8; ++j) {
852  for (int k = 6; k < 8; ++k) {
853  fres_matrix(j - 6, k - 6) = fmin.Error().Matrix()(j, k);
854  }
855  }
856 
857  return reco::BeamSpot(
858  reco::BeamSpot::Point(fmin.Parameters().Vec()(0), fmin.Parameters().Vec()(1), fmin.Parameters().Vec()(2)),
859  fmin.Parameters().Vec()(3),
860  fmin.Parameters().Vec()(4),
861  fmin.Parameters().Vec()(5),
862  inipar[6],
863  matrix,
864  fbeamtype);
865 }

References align::BeamSpot, dqmiolumiharvest::j, dqmdumpme::k, makeMuonMisalignmentScenario::matrix, and mathSSE::sqrt().

◆ Fit_ited0phi()

reco::BeamSpot BSFitter::Fit_ited0phi ( )

Definition at line 360 of file BSFitter.cc.

360  {
361  this->d0phi_Init();
362  edm::LogInfo("BSFitter") << "number of total input tracks: " << fBSvector.size() << std::endl;
363 
364  reco::BeamSpot theanswer;
365 
366  if ((int)fBSvector.size() <= fminNtrks) {
367  edm::LogWarning("BSFitter") << "need at least " << fminNtrks << " tracks to run beamline fitter." << std::endl;
368  fbeamtype = reco::BeamSpot::Fake;
369  theanswer.setType(fbeamtype);
370  return theanswer;
371  }
372 
373  theanswer = Fit_d0phi(); //get initial ftmp and ftmprow
374  if (goodfit)
375  fnthite++;
376  //std::cout << "Initial tempanswer (iteration 0): " << theanswer << std::endl;
377 
378  reco::BeamSpot preanswer = theanswer;
379 
380  while (goodfit && ftmprow > fconvergence * fBSvector.size() && ftmprow > fminNtrks) {
381  theanswer = Fit_d0phi();
382  fd0cut /= 1.5;
383  fchi2cut /= 1.5;
384  if (goodfit && ftmprow > fconvergence * fBSvector.size() && ftmprow > fminNtrks) {
385  preanswer = theanswer;
386  //std::cout << "Iteration " << fnthite << ": " << preanswer << std::endl;
387  fnthite++;
388  }
389  }
390  // FIXME: return fit results from previous iteration for both bad fit and for >50% tracks thrown away
391  //std::cout << "The last iteration, theanswer: " << theanswer << std::endl;
392  theanswer = preanswer;
393  //std::cout << "Use previous results from iteration #" << ( fnthite > 0 ? fnthite-1 : 0 ) << std::endl;
394  //if ( fnthite > 1 ) std::cout << theanswer << std::endl;
395 
396  edm::LogInfo("BSFitter") << "Total number of successful iterations = " << (goodfit ? (fnthite + 1) : fnthite)
397  << std::endl;
398  if (goodfit) {
399  fbeamtype = reco::BeamSpot::Tracker;
400  theanswer.setType(fbeamtype);
401  } else {
402  edm::LogWarning("BSFitter") << "Fit doesn't converge!!!" << std::endl;
403  fbeamtype = reco::BeamSpot::Unknown;
404  theanswer.setType(fbeamtype);
405  }
406  return theanswer;
407 }

References reco::BeamSpot::Fake, reco::BeamSpot::setType(), reco::BeamSpot::Tracker, and reco::BeamSpot::Unknown.

Referenced by BeamFitter::runAllFitter().

◆ Fit_z()

reco::BeamSpot BSFitter::Fit_z ( std::string  type,
double *  inipar 
)

◆ Fit_z_chi2()

reco::BeamSpot BSFitter::Fit_z_chi2 ( double *  inipar)

Definition at line 321 of file BSFitter.cc.

321  {
322  // N.B. this fit is not performed anymore but now
323  // Z is fitted in the same track set used in the d0-phi fit after
324  // each iteration
325 
326  //std::cout << "Fit_z_chi2() called" << std::endl;
327  // FIXME: include whole tracker z length for the time being
328  // ==> add protection and z0 cut
329  h1z = new TH1F("h1z", "z distribution", 200, -fMaxZ, fMaxZ);
330 
331  std::vector<BSTrkParameters>::const_iterator iparam = fBSvector.begin();
332 
333  // HERE check size of track vector
334 
335  for (iparam = fBSvector.begin(); iparam != fBSvector.end(); ++iparam) {
336  h1z->Fill(iparam->z0());
337  //std::cout<<"z0="<<iparam->z0()<<"; sigZ0="<<iparam->sigz0()<<std::endl;
338  }
339 
340  //Use our own copy for thread safety
341  // also do not add to global list of functions
342  TF1 fgaus("fgaus", "gaus", 0., 1., TF1::EAddToList::kNo);
343  h1z->Fit(&fgaus, "QLMN0 SERIAL");
344  //std::cout << "fitted "<< std::endl;
345 
346  //std::cout << "got function" << std::endl;
347  double fpar[2] = {fgaus.GetParameter(1), fgaus.GetParameter(2)};
348  //std::cout<<"Debug fpar[2] = (" <<fpar[0]<<","<<fpar[1]<<")"<<std::endl;
349  reco::BeamSpot::CovarianceMatrix matrix;
350  // add matrix values.
351  matrix(2, 2) = fgaus.GetParError(1) * fgaus.GetParError(1);
352  matrix(3, 3) = fgaus.GetParError(2) * fgaus.GetParError(2);
353 
354  //delete h1z;
355 
356  return reco::BeamSpot(reco::BeamSpot::Point(0., 0., fpar[0]), fpar[1], 0., 0., 0., matrix, fbeamtype);
357 }

References align::BeamSpot, makeMuonMisalignmentScenario::matrix, and tools::TF1.

◆ Fit_z_likelihood()

reco::BeamSpot BSFitter::Fit_z_likelihood ( double *  inipar)

Definition at line 255 of file BSFitter.cc.

255  {
256  //std::cout << "Fit_z(double *) called" << std::endl;
257  //std::cout << "inipar[0]= " << inipar[0] << std::endl;
258  //std::cout << "inipar[1]= " << inipar[1] << std::endl;
259 
260  std::vector<double> par(2, 0);
261  std::vector<double> err(2, 0);
262 
263  par.push_back(0.0);
264  par.push_back(7.0);
265  err.push_back(0.0001);
266  err.push_back(0.0001);
267  //par[0] = 0.0; err[0] = 0.0;
268  //par[1] = 7.0; err[1] = 0.0;
269 
270  thePDF->SetPDFs("PDFGauss_z");
271  thePDF->SetData(fBSvector);
272  //std::cout << "data loaded"<< std::endl;
273 
274  //FunctionMinimum fmin = theFitter->Minimize(*theGausszFcn, par, err, 1, 500, 0.1);
275  MnUserParameters upar;
276  upar.Add("X0", 0., 0.);
277  upar.Add("Y0", 0., 0.);
278  upar.Add("Z0", inipar[0], 0.001);
279  upar.Add("sigmaZ", inipar[1], 0.001);
280 
281  MnMigrad migrad(*thePDF, upar);
282 
283  FunctionMinimum fmin = migrad();
284  ff_minimum = fmin.Fval();
285  //std::cout << " eval= " << ff_minimum
286  // << "/n params[0]= " << fmin.Parameters().Vec()(0) << std::endl;
287 
288  /*
289  TMinuit *gmMinuit = new TMinuit(2);
290 
291  //gmMinuit->SetFCN(z_fcn);
292  gmMinuit->SetFCN(myFitz_fcn);
293 
294 
295  int ierflg = 0;
296  double step[2] = {0.001,0.001};
297 
298  for (int i = 0; i<2; i++) {
299  gmMinuit->mnparm(i,fpar_name[i].c_str(),inipar[i],step[i],0,0,ierflg);
300  }
301  gmMinuit->Migrad();
302  */
303  reco::BeamSpot::CovarianceMatrix matrix;
304 
305  for (int j = 2; j < 4; ++j) {
306  for (int k = j; k < 4; ++k) {
307  matrix(j, k) = fmin.Error().Matrix()(j, k);
308  }
309  }
310 
311  return reco::BeamSpot(reco::BeamSpot::Point(0., 0., fmin.Parameters().Vec()(2)),
312  fmin.Parameters().Vec()(3),
313  0.,
314  0.,
315  0.,
316  matrix,
317  fbeamtype);
318 }

References align::BeamSpot, runTheMatrix::err, dqmiolumiharvest::j, dqmdumpme::k, and makeMuonMisalignmentScenario::matrix.

◆ GetAcceptedTrks()

int BSFitter::GetAcceptedTrks ( )
inline

Definition at line 61 of file BSFitter.h.

61 { return ftmprow; }

References ftmprow.

◆ GetData()

std::vector<BSTrkParameters> BSFitter::GetData ( )
inline

Definition at line 69 of file BSFitter.h.

69 { return fBSvector; }

References fBSvector.

◆ GetMinimum()

double BSFitter::GetMinimum ( )
inline

Definition at line 79 of file BSFitter.h.

79 { return ff_minimum; }

References ff_minimum.

◆ GetResMatrix()

reco::BeamSpot::ResCovMatrix BSFitter::GetResMatrix ( )
inline

Definition at line 85 of file BSFitter.h.

85 { return fres_matrix; }

References fres_matrix.

◆ GetResPar0()

double BSFitter::GetResPar0 ( )
inline

Definition at line 80 of file BSFitter.h.

80 { return fresolution_c0; }

References fresolution_c0.

◆ GetResPar0Err()

double BSFitter::GetResPar0Err ( )
inline

Definition at line 82 of file BSFitter.h.

82 { return fres_c0_err; }

References fres_c0_err.

◆ GetResPar1()

double BSFitter::GetResPar1 ( )
inline

Definition at line 81 of file BSFitter.h.

81 { return fresolution_c1; }

References fresolution_c1.

◆ GetResPar1Err()

double BSFitter::GetResPar1Err ( )
inline

Definition at line 83 of file BSFitter.h.

83 { return fres_c1_err; }

References fres_c1_err.

◆ GetVzHisto()

TH1F* BSFitter::GetVzHisto ( )
inline

Definition at line 87 of file BSFitter.h.

87 { return h1z; }

References h1z.

Referenced by BeamFitter::runFitterNoTxt().

◆ scanPDF()

double BSFitter::scanPDF ( double *  init_pars,
int &  tracksFailed,
int  option 
)

Definition at line 625 of file BSFitter.cc.

625  {
626  if (option == 1)
627  init_pars[6] = 0.0005; //starting value for any given configuration
628 
629  //local vairables with initial values
630  double fsqrt2pi = 0.0;
631  double d_sig = 0.0;
632  double d_dprime = 0.0;
633  double d_result = 0.0;
634  double z_sig = 0.0;
635  double z_result = 0.0;
636  double function = 0.0;
637  double tot_pdf = 0.0;
638  double last_minvalue = 1.0e+10;
639  double init_bw = -99.99;
640  int iters = 0;
641 
642  //used to remove tracks if far away from bs by this
643  double DeltadCut = 0.1000;
644  if (init_pars[6] < 0.0200) {
645  DeltadCut = 0.0900;
646  } //worked for high 2.36TeV
647  if (init_pars[6] < 0.0100) {
648  DeltadCut = 0.0700;
649  } //just a guesss for 7 TeV but one should scan for actual values
650 
651  std::vector<BSTrkParameters>::const_iterator iparam = fBSvector.begin();
652 
653  if (option == 1)
654  iters = 500;
655  if (option == 2)
656  iters = 1;
657 
658  for (int p = 0; p < iters; p++) {
659  if (iters == 500)
660  init_pars[6] += 0.0002;
661  tracksfixed = 0;
662 
663  for (iparam = fBSvector.begin(); iparam != fBSvector.end(); ++iparam) {
664  fsqrt2pi = sqrt(2. * TMath::Pi());
665  d_sig = sqrt(init_pars[6] * init_pars[6] + (iparam->sigd0()) * (iparam->sigd0()));
666  d_dprime = iparam->d0() - (((init_pars[0] + iparam->z0() * (init_pars[4])) * sin(iparam->phi0())) -
667  ((init_pars[1] + iparam->z0() * (init_pars[5])) * cos(iparam->phi0())));
668 
669  //***Remove tracks before the fit which gives low pdf values to blow up the pdf
670  if (std::abs(d_dprime) < DeltadCut && option == 2) {
671  fBSvectorBW.push_back(*iparam);
672  }
673 
674  d_result = (exp(-(d_dprime * d_dprime) / (2.0 * d_sig * d_sig))) / (d_sig * fsqrt2pi);
675  z_sig = sqrt(iparam->sigz0() * iparam->sigz0() + init_pars[3] * init_pars[3]);
676  z_result = (exp(-((iparam->z0() - init_pars[2]) * (iparam->z0() - init_pars[2])) / (2.0 * z_sig * z_sig))) /
677  (z_sig * fsqrt2pi);
678  tot_pdf = z_result * d_result;
679 
680  //for those trcks which gives problems due to very tiny pdf_d values.
681  //Update: This protection will NOT be used with the dprime cut above but still kept here to get
682  // the intial value of beam width reasonably
683  //A warning will appear if there were any tracks with < 10^-5 for pdf_d so that (d-dprime) cut can be lowered
684  if (d_result < 1.0e-05) {
685  tot_pdf = z_result * 1.0e-05;
686  //if(option==2)std::cout<<"last Iter d-d' = "<<(std::abs(d_dprime))<<std::endl;
687  tracksfixed++;
688  }
689 
690  function = function + log(tot_pdf);
691 
692  } //loop over tracks
693 
694  function = -2.0 * function;
695  if (function < last_minvalue) {
696  init_bw = init_pars[6];
697  last_minvalue = function;
698  }
699  function = 0.0;
700  } //loop over beam width
701 
702  if (init_bw > 0) {
703  init_bw = init_bw + (0.20 * init_bw); //start with 20 % more
704 
705  } else {
706  if (option == 1) {
707  edm::LogWarning("BSFitter")
708  << "scanPDF:====>>>> WARNING***: The initial guess value of Beam width is negative!!!!!!" << std::endl
709  << "scanPDF:====>>>> Assigning beam width a starting value of " << init_bw << " cm" << std::endl;
710  init_bw = 0.0200;
711  }
712  }
713 
714  return init_bw;
715 }

References funct::abs(), funct::cos(), MillePedeFileConverter_cfg::e, JetChargeProducer_cfi::exp, dqm-mbProfile::log, fileinputsource_cfi::option, AlCaHLTBitMon_ParallelJobs::p, Pi, funct::sin(), and mathSSE::sqrt().

◆ SetChi2Cut_d0phi()

void BSFitter::SetChi2Cut_d0phi ( double  chi2cut)

Definition at line 584 of file BSFitter.cc.

584  {
585  fapplychi2cut = true;
586 
587  //fBSforCuts = BSfitted;
588  fchi2cut = chi2cut;
589 }

References trackAssociatorByChi2_cfi::chi2cut.

◆ SetConvergence()

void BSFitter::SetConvergence ( double  val)
inline

Definition at line 56 of file BSFitter.h.

56 { fconvergence = val; }

References fconvergence, and heppy_batch::val.

Referenced by BeamFitter::runBeamWidthFitter(), and BeamFitter::runFitterNoTxt().

◆ Setd0Cut_d0phi()

void BSFitter::Setd0Cut_d0phi ( double  d0cut)

Definition at line 576 of file BSFitter.cc.

576  {
577  fapplyd0cut = true;
578 
579  //fBSforCuts = BSfitted;
580  fd0cut = d0cut;
581 }

Referenced by BeamFitter::runAllFitter().

◆ SetFitType()

void BSFitter::SetFitType ( std::string  type)
inline

Definition at line 39 of file BSFitter.h.

39 { ffit_type = type; }

References ffit_type.

Referenced by BeamFitter::runAllFitter(), and BeamFitter::runBeamWidthFitter().

◆ SetFitVariable()

void BSFitter::SetFitVariable ( std::string  name)
inline

Definition at line 41 of file BSFitter.h.

41 { ffit_variable = name; }

References ffit_variable, and Skims_PA_cff::name.

Referenced by BeamFitter::runAllFitter(), and BeamFitter::runBeamWidthFitter().

◆ SetInputBeamWidth()

void BSFitter::SetInputBeamWidth ( double  val)
inline

Definition at line 60 of file BSFitter.h.

60 { finputBeamWidth = val; }

References finputBeamWidth, and heppy_batch::val.

Referenced by BeamFitter::runBeamWidthFitter(), and BeamFitter::runFitterNoTxt().

◆ SetMaximumZ()

void BSFitter::SetMaximumZ ( double  z)
inline

Definition at line 55 of file BSFitter.h.

55 { fMaxZ = z; }

References fMaxZ, and z.

Referenced by BeamFitter::runBeamWidthFitter(), and BeamFitter::runFitterNoTxt().

◆ SetMinimumNTrks()

void BSFitter::SetMinimumNTrks ( int  n)
inline

Definition at line 57 of file BSFitter.h.

57 { fminNtrks = n; }

References fminNtrks, and dqmiodumpmetadata::n.

Referenced by BeamFitter::runBeamWidthFitter(), and BeamFitter::runFitterNoTxt().

Member Data Documentation

◆ fapplychi2cut

bool BSFitter::fapplychi2cut
private

Definition at line 117 of file BSFitter.h.

◆ fapplyd0cut

bool BSFitter::fapplyd0cut
private

Definition at line 116 of file BSFitter.h.

◆ fbeamtype

reco::BeamSpot::BeamType BSFitter::fbeamtype
private

Definition at line 94 of file BSFitter.h.

◆ fBSvector

std::vector<BSTrkParameters> BSFitter::fBSvector
private

Definition at line 106 of file BSFitter.h.

Referenced by GetData().

◆ fBSvectorBW

std::vector<BSTrkParameters> BSFitter::fBSvectorBW
private

Definition at line 107 of file BSFitter.h.

◆ fchi2cut

double BSFitter::fchi2cut
private

Definition at line 119 of file BSFitter.h.

◆ fconvergence

double BSFitter::fconvergence
private

Definition at line 124 of file BSFitter.h.

Referenced by SetConvergence().

◆ fd0cut

double BSFitter::fd0cut
private

Definition at line 118 of file BSFitter.h.

◆ fdim

const int BSFitter::fdim = 7
staticprivate

Definition at line 100 of file BSFitter.h.

◆ ff_minimum

double BSFitter::ff_minimum
private

Definition at line 98 of file BSFitter.h.

Referenced by GetMinimum().

◆ ffit_type

std::string BSFitter::ffit_type
private

Definition at line 95 of file BSFitter.h.

Referenced by SetFitType().

◆ ffit_variable

std::string BSFitter::ffit_variable
private

Definition at line 96 of file BSFitter.h.

Referenced by SetFitVariable().

◆ finputBeamWidth

double BSFitter::finputBeamWidth
private

Definition at line 126 of file BSFitter.h.

Referenced by SetInputBeamWidth().

◆ fMaxZ

double BSFitter::fMaxZ
private

Definition at line 123 of file BSFitter.h.

Referenced by SetMaximumZ().

◆ fminNtrks

int BSFitter::fminNtrks
private

Definition at line 125 of file BSFitter.h.

Referenced by SetMinimumNTrks().

◆ fnthite

int BSFitter::fnthite
private

Definition at line 121 of file BSFitter.h.

Referenced by d0phi_Init().

◆ fpar_name

std::string BSFitter::fpar_name[fdim]
private

Definition at line 102 of file BSFitter.h.

◆ fres_c0_err

double BSFitter::fres_c0_err
private

Definition at line 111 of file BSFitter.h.

Referenced by GetResPar0Err().

◆ fres_c1_err

double BSFitter::fres_c1_err
private

Definition at line 112 of file BSFitter.h.

Referenced by GetResPar1Err().

◆ fres_matrix

reco::BeamSpot::ResCovMatrix BSFitter::fres_matrix
private

Definition at line 113 of file BSFitter.h.

Referenced by GetResMatrix().

◆ fresolution_c0

double BSFitter::fresolution_c0
private

Definition at line 109 of file BSFitter.h.

Referenced by GetResPar0().

◆ fresolution_c1

double BSFitter::fresolution_c1
private

Definition at line 110 of file BSFitter.h.

Referenced by GetResPar1().

◆ fsqrt2pi

Double_t BSFitter::fsqrt2pi
private

Definition at line 104 of file BSFitter.h.

◆ ftmp

TMatrixD BSFitter::ftmp
private

Definition at line 115 of file BSFitter.h.

Referenced by d0phi_Init().

◆ ftmprow

int BSFitter::ftmprow
private

Definition at line 120 of file BSFitter.h.

Referenced by d0phi_Init(), and GetAcceptedTrks().

◆ goodfit

bool BSFitter::goodfit
private

Definition at line 122 of file BSFitter.h.

Referenced by d0phi_Init().

◆ h1z

TH1F* BSFitter::h1z
private

Definition at line 127 of file BSFitter.h.

Referenced by GetVzHisto().

◆ theFitter

ROOT::Minuit2::ModularFunctionMinimizer* BSFitter::theFitter
private

Definition at line 90 of file BSFitter.h.

◆ thePDF

BSpdfsFcn* BSFitter::thePDF
private

Definition at line 92 of file BSFitter.h.

BSFitter::fchi2cut
double fchi2cut
Definition: BSFitter.h:119
BSFitter::Fit_d0phi
reco::BeamSpot Fit_d0phi()
Definition: BSFitter.cc:410
BSFitter::Fit_z_likelihood
reco::BeamSpot Fit_z_likelihood(double *inipar)
Definition: BSFitter.cc:255
BSFitter::fbeamtype
reco::BeamSpot::BeamType fbeamtype
Definition: BSFitter.h:94
dqmiodumpmetadata.n
n
Definition: dqmiodumpmetadata.py:28
makeMuonMisalignmentScenario.matrix
list matrix
Definition: makeMuonMisalignmentScenario.py:141
align::BeamSpot
Definition: StructureType.h:89
edm::isNotFinite
constexpr bool isNotFinite(T x)
Definition: isFinite.h:9
BSFitter::fresolution_c1
double fresolution_c1
Definition: BSFitter.h:110
mps_update.status
status
Definition: mps_update.py:69
reco::BeamSpot::z0
double z0() const
z coordinate
Definition: BeamSpot.h:65
BSFitter::fminNtrks
int fminNtrks
Definition: BSFitter.h:125
trackAssociatorByChi2_cfi.chi2cut
chi2cut
Definition: trackAssociatorByChi2_cfi.py:4
AlCaHLTBitMon_ParallelJobs.p
p
Definition: AlCaHLTBitMon_ParallelJobs.py:153
edm::LogInfo
Definition: MessageLogger.h:254
BSFitter::scanPDF
double scanPDF(double *init_pars, int &tracksFailed, int option)
Definition: BSFitter.cc:625
BSpdfsFcn::SetData
void SetData(const std::vector< BSTrkParameters > &a_BSvector)
Definition: BSpdfsFcn.h:25
BSFitter::goodfit
bool goodfit
Definition: BSFitter.h:122
reco::BeamSpot::covariance
double covariance(int i, int j) const
(i,j)-th element of error matrix
Definition: BeamSpot.h:108
bk
Definition: Breakpoints.cc:13
BSpdfsFcn
Definition: BSpdfsFcn.h:22
reco::BeamSpot::dxdz
double dxdz() const
dxdz slope
Definition: BeamSpot.h:78
BSFitter::ffit_variable
std::string ffit_variable
Definition: BSFitter.h:96
tools.TF1
TF1
Definition: tools.py:23
groupFilesInBlocks.temp
list temp
Definition: groupFilesInBlocks.py:142
fileinputsource_cfi.option
option
Definition: fileinputsource_cfi.py:87
funct::sin
Sin< T >::type sin(const T &t)
Definition: Sin.h:22
reco::BeamSpot::sigmaZ
double sigmaZ() const
sigma z
Definition: BeamSpot.h:76
alignCSCRings.s
s
Definition: alignCSCRings.py:92
BSFitter::fBSvector
std::vector< BSTrkParameters > fBSvector
Definition: BSFitter.h:106
BSFitter::Fit
reco::BeamSpot Fit()
Definition: BSFitter.cc:102
BSFitter::fMaxZ
double fMaxZ
Definition: BSFitter.h:123
funct::cos
Cos< T >::type cos(const T &t)
Definition: Cos.h:22
BSFitter::thePDF
BSpdfsFcn * thePDF
Definition: BSFitter.h:92
BSFitter::fres_c0_err
double fres_c0_err
Definition: BSFitter.h:111
BSFitter::fapplychi2cut
bool fapplychi2cut
Definition: BSFitter.h:117
mathSSE::sqrt
T sqrt(T t)
Definition: SSEVec.h:19
reco::BeamSpot
Definition: BeamSpot.h:21
DDAxes::z
reco::BeamSpot::Tracker
Definition: BeamSpot.h:24
reco::BeamSpot::Fake
Definition: BeamSpot.h:24
dqmdumpme.k
k
Definition: dqmdumpme.py:60
b
double b
Definition: hdecay.h:118
BSFitter::Fit_ited0phi
reco::BeamSpot Fit_ited0phi()
Definition: BSFitter.cc:360
BSFitter::Fit_dres_z_likelihood
reco::BeamSpot Fit_dres_z_likelihood(double *inipar)
Definition: BSFitter.cc:809
reco::BeamSpot::Unknown
Definition: BeamSpot.h:24
edm::LogWarning
Definition: MessageLogger.h:141
BSFitter::fresolution_c0
double fresolution_c0
Definition: BSFitter.h:109
BSFitter::fconvergence
double fconvergence
Definition: BSFitter.h:124
BSFitter::d0phi_Init
void d0phi_Init()
Definition: BSFitter.h:62
BSFitter::fres_matrix
reco::BeamSpot::ResCovMatrix fres_matrix
Definition: BSFitter.h:113
runTheMatrix.err
err
Definition: runTheMatrix.py:288
BSFitter::fpar_name
std::string fpar_name[fdim]
Definition: BSFitter.h:102
BSFitter::ff_minimum
double ff_minimum
Definition: BSFitter.h:98
BSFitter::Setd0Cut_d0phi
void Setd0Cut_d0phi(double d0cut)
Definition: BSFitter.cc:576
reco::BeamSpot::CovarianceMatrix
math::Error< dimension >::type CovarianceMatrix
Definition: BeamSpot.h:29
reco::BeamSpot::BeamWidthX
double BeamWidthX() const
beam width X
Definition: BeamSpot.h:82
BSTrkParameters
Definition: BSTrkParameters.h:15
BSFitter::fres_c1_err
double fres_c1_err
Definition: BSFitter.h:112
BSFitter::theFitter
ROOT::Minuit2::ModularFunctionMinimizer * theFitter
Definition: BSFitter.h:90
reco::BeamSpot::dydz
double dydz() const
dydz slope
Definition: BeamSpot.h:80
BSFitter::fd0cut
double fd0cut
Definition: BSFitter.h:118
reco::BeamSpot::x0
double x0() const
x coordinate
Definition: BeamSpot.h:61
BSFitter::ftmprow
int ftmprow
Definition: BSFitter.h:120
type
type
Definition: HCALResponse.h:21
BSFitter::Fit_d_likelihood
reco::BeamSpot Fit_d_likelihood(double *inipar)
Definition: BSFitter.cc:592
heppy_batch.val
val
Definition: heppy_batch.py:351
BSFitter::ffit_type
std::string ffit_type
Definition: BSFitter.h:95
BSpdfsFcn::SetPDFs
void SetPDFs(std::string usepdfs)
Definition: BSpdfsFcn.h:27
BSFitter::h1z
TH1F * h1z
Definition: BSFitter.h:127
BSFitter::fsqrt2pi
Double_t fsqrt2pi
Definition: BSFitter.h:104
Exception
Definition: hltDiff.cc:246
BSFitter::Fit_z_chi2
reco::BeamSpot Fit_z_chi2(double *inipar)
Definition: BSFitter.cc:321
BSFitter::fnthite
int fnthite
Definition: BSFitter.h:121
BSFitter::ftmp
TMatrixD ftmp
Definition: BSFitter.h:115
BSFitter::fapplyd0cut
bool fapplyd0cut
Definition: BSFitter.h:116
Skims_PA_cff.name
name
Definition: Skims_PA_cff.py:17
dqm-mbProfile.log
log
Definition: dqm-mbProfile.py:17
Pi
const double Pi
Definition: CosmicMuonParameters.h:18
funct::pow
Power< A, B >::type pow(const A &a, const B &b)
Definition: Power.h:30
reco::BeamSpot::Point
math::XYZPoint Point
point in the space
Definition: BeamSpot.h:27
funct::abs
Abs< T >::type abs(const T &t)
Definition: Abs.h:22
reco::BeamSpot::setType
void setType(BeamType type)
set beam type
Definition: BeamSpot.h:124
dqmiolumiharvest.j
j
Definition: dqmiolumiharvest.py:66
JetChargeProducer_cfi.exp
exp
Definition: JetChargeProducer_cfi.py:6
reco::BeamSpot::y0
double y0() const
y coordinate
Definition: BeamSpot.h:63
BSFitter::finputBeamWidth
double finputBeamWidth
Definition: BSFitter.h:126
g
The Signals That Services Can Subscribe To This is based on ActivityRegistry and is current per Services can connect to the signals distributed by the ActivityRegistry in order to monitor the activity of the application Each possible callback has some defined which we here list in angle e g
Definition: Activities.doc:4
BSFitter::fBSvectorBW
std::vector< BSTrkParameters > fBSvectorBW
Definition: BSFitter.h:107
BSFitter::Fit_d_z_likelihood
reco::BeamSpot Fit_d_z_likelihood(double *inipar, double *error_par)
Definition: BSFitter.cc:718
MillePedeFileConverter_cfg.e
e
Definition: MillePedeFileConverter_cfg.py:37
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