SimpleVertexTree Class Reference

#include <SimpleVertexTree.h>

Public Member Functions
void	fill (const TransientVertex &recv, const TrackingVertex *simv=nullptr, reco::RecoToSimCollection *recSimColl=nullptr, const float &time=0.)
void	fill (const TransientVertex &recv, const TrackingVertex *simv=nullptr, const float &time=0.)
void	fill (const TransientVertex &recv, const float &time=0.)
void	fill (const TrackingVertex *simv)
void	fill ()
	SimpleVertexTree (const char *fitterName="VertexFitter", const MagneticField *magField=nullptr)
virtual	~SimpleVertexTree ()

Private Member Functions
void	defineTrackBranch (const TString &prefix, const TString &type, const float *(VertexFitterResult::*pfunc)(const int) const, const TString &index)

Private Attributes
float	chiProb
float	chiTot
int	maxTrack
float	ndf
int	numberOfVertices
TString *	parameterNames [5]
float	recErr [3]
float	recPos [3]
VertexFitterResult *	result
float	simPos [3]
TString	theFitterName
bool	trackTest
TTree *	vertexTree

Detailed Description

Definition at line 41 of file SimpleVertexTree.h.

Constructor & Destructor Documentation

SimpleVertexTree()

SimpleVertexTree::SimpleVertexTree	(	const char *	fitterName = "VertexFitter",
		const MagneticField *	magField = nullptr
	)

The constructor

Parameters

fitterName

The name of the TTree, and of the associated histograms.

Definition at line 10 of file SimpleVertexTree.cc.

References VertexFitterResult::chi2Information(), defineTrackBranch(), pdwgDoubleElectron_cfi::filterName, maxTrack, numberOfVertices, VertexFitterResult::numberRecTracks(), VertexFitterResult::numberSimTracks(), parameterNames, VertexFitterResult::recErrors(), VertexFitterResult::recParameters(), VertexFitterResult::recTrack_simIndex(), VertexFitterResult::recTrackWeight(), VertexFitterResult::recVertexErr(), VertexFitterResult::recVertexPos(), VertexFitterResult::refErrors(), VertexFitterResult::refParameters(), result, VertexFitterResult::simParameters(), VertexFitterResult::simTrack_recIndex(), VertexFitterResult::simVertexPos(), VertexFitterResult::time(), VertexFitterResult::trackInformation(), VertexFitterResult::vertexPresent(), and vertexTree.

                                                                                        : theFitterName(filterName) {
  vertexTree = new TTree(filterName, "Vertex fit results");
  //   trackTest
  //     = SimpleConfigurable<bool> (false, "SimpleVertexTree:trackTest").value();
  //   if (trackTest) {
  //     maxTrack = SimpleConfigurable<int> (100, "SimpleVertexTree:maximumTracksToStore").value();
  //   } else
  maxTrack = 0;
  result = new VertexFitterResult(maxTrack, magField);

  vertexTree->Branch("vertex", (void *)result->vertexPresent(), "vertex/I");
  vertexTree->Branch("simPos", (void *)result->simVertexPos(), "X/F:Y/F:Z/F");
  vertexTree->Branch("recPos", (void *)result->recVertexPos(), "X/F:Y/F:Z/F");
  vertexTree->Branch("recErr", (void *)result->recVertexErr(), "X/F:Y/F:Z/F");
  vertexTree->Branch("nbrTrk", (void *)result->trackInformation(), "Sim/I:Rec/I:Shared/I");
  vertexTree->Branch("chiTot", (void *)result->chi2Information(), "chiTot/F");
  vertexTree->Branch("ndf", (void *)(result->chi2Information() + 1), "ndf/F");
  vertexTree->Branch("chiProb", (void *)(result->chi2Information() + 2), "chiProb/F");
  vertexTree->Branch("time", (void *)result->time(), "time/F");

  parameterNames[0] = new TString("ptinv");
  parameterNames[1] = new TString("theta");
  parameterNames[2] = new TString("phi");
  parameterNames[3] = new TString("timp");
  parameterNames[4] = new TString("limp");

  vertexTree->Branch("simTracks", (void *)result->numberSimTracks(), "simTracks/I");
  vertexTree->Branch("simTrack_recIndex", (void *)result->simTrack_recIndex(), "simTrack_recIndex[simTracks]/I");
  defineTrackBranch("sim", "Par", &VertexFitterResult::simParameters, "simTracks");

  vertexTree->Branch("recTracks", (void *)result->numberRecTracks(), "recTracks/I");
  vertexTree->Branch("recTrack_simIndex", (void *)result->recTrack_simIndex(), "recTrack_simIndex[recTracks]/I");
  vertexTree->Branch("recTrack_weight", (void *)result->recTrackWeight(), "recTrack_weight[recTracks]/F");
  defineTrackBranch("rec", "Par", &VertexFitterResult::recParameters, "recTracks");
  defineTrackBranch("ref", "Par", &VertexFitterResult::refParameters, "recTracks");
  defineTrackBranch("rec", "Err", &VertexFitterResult::recErrors, "recTracks");
  defineTrackBranch("ref", "Err", &VertexFitterResult::refErrors, "recTracks");

  numberOfVertices = 0;
}

~SimpleVertexTree()

SimpleVertexTree::~SimpleVertexTree ( )

virtual

Definition at line 63 of file SimpleVertexTree.cc.

References chiProb, gather_cfg::cout, numberOfVertices, theFitterName, and vertexTree.

                                    {
  std::cout << std::endl << "End of SimpleVertexTree for " << theFitterName << std::endl;
  std::cout << std::endl << "Number of vertices fit: " << numberOfVertices << std::endl;

  //
  // save current root directory
  //
  TDirectory *rootDir = gDirectory;
  //
  // close files
  //
  vertexTree->GetDirectory()->cd();
  vertexTree->Write();
  if (numberOfVertices > 0) {
    TH1F *resX = new TH1F(theFitterName + "_ResX", "Residual x coordinate: " + theFitterName, 100, -0.03, 0.03);
    TH1F *resY = new TH1F(theFitterName + "_ResY", "Residual y coordinate: " + theFitterName, 100, -0.03, 0.03);
    TH1F *resZ = new TH1F(theFitterName + "_ResZ", "Residual z coordinate: " + theFitterName, 100, -0.03, 0.03);
    TH1F *pullX = new TH1F(theFitterName + "_PullX", "Pull x coordinate: " + theFitterName, 100, -10., 10.);
    TH1F *pullY = new TH1F(theFitterName + "_PullY", "Pull y coordinate: " + theFitterName, 100, -10., 10.);
    TH1F *pullZ = new TH1F(theFitterName + "_PullZ", "Pull z coordinate: " + theFitterName, 100, -10., 10.);
    TH1F *chiNorm = new TH1F(theFitterName + "_ChiNorm", "Normalized chi-square: " + theFitterName, 100, 0., 10.);
    TH1F *chiProb = new TH1F(theFitterName + "_ChiProb", "Chi-square probability: " + theFitterName, 100, 0., 1.);
    vertexTree->Project(theFitterName + "_ResX", "(simPos.X-recPos.X)");
    vertexTree->Project(theFitterName + "_ResY", "(simPos.Y-recPos.Y)");
    vertexTree->Project(theFitterName + "_ResZ", "(simPos.Z-recPos.Z)");
    vertexTree->Project(theFitterName + "_PullX", "(simPos.X-recPos.X)/recErr.X");
    vertexTree->Project(theFitterName + "_PullY", "(simPos.Y-recPos.Y)/recErr.Y");
    vertexTree->Project(theFitterName + "_PullZ", "(simPos.Z-recPos.Z)/recErr.Z");
    vertexTree->Project(theFitterName + "_ChiNorm", "chiTot/ndf");
    vertexTree->Project(theFitterName + "_ChiProb", "chiProb");
    std::cout << "Mean of Residual distribution X: " << resX->GetMean() << std::endl;
    std::cout << "Mean of Residual distribution Y: " << resY->GetMean() << std::endl;
    std::cout << "Mean of Residual distribution Z: " << resZ->GetMean() << std::endl;
    std::cout << "RMS of Residual distribution X:  " << resX->GetRMS() << std::endl;
    std::cout << "RMS of Residual distribution Y:  " << resY->GetRMS() << std::endl;
    std::cout << "RMS of Residual distribution Z:  " << resZ->GetRMS() << std::endl;
    std::cout << "Mean of Pull distribution X: " << pullX->GetMean() << std::endl;
    std::cout << "Mean of Pull distribution Y: " << pullY->GetMean() << std::endl;
    std::cout << "Mean of Pull distribution Z: " << pullZ->GetMean() << std::endl;
    std::cout << "RMS of Pull distribution X:  " << pullX->GetRMS() << std::endl;
    std::cout << "RMS of Pull distribution Y:  " << pullY->GetRMS() << std::endl;
    std::cout << "RMS of Pull distribution Z:  " << pullZ->GetRMS() << std::endl;
    std::cout << "Average chi-square probability: " << chiProb->GetMean() << std::endl;
    std::cout << "Average normalized chi-square : " << chiNorm->GetMean() << std::endl;
    resX->Write();
    resY->Write();
    resZ->Write();
    pullX->Write();
    pullY->Write();
    pullZ->Write();
    chiNorm->Write();
    chiProb->Write();
  }
  delete vertexTree;
  //
  // restore directory
  //
  rootDir->cd();
  std::cout << std::endl;
}

Member Function Documentation

defineTrackBranch()

void SimpleVertexTree::defineTrackBranch ( const TString &  prefix, const TString &  type, const float *(VertexFitterResult::*)(const int) const  pfunc, const TString &  index  )

private

Definition at line 51 of file SimpleVertexTree.cc.

References electrons_cff::branchName, mps_fire::i, parameterNames, hcallasereventfilter2012_cfi::prefix, result, and vertexTree.

Referenced by SimpleVertexTree().

                                                               {
  TString branchName, branchVariables;
  for (int i = 0; i < 5; i++) {
    branchName = prefix + type + '_' + *parameterNames[i];
    branchVariables = branchName + '[' + index + "]/F";
    vertexTree->Branch(branchName, (void *)(result->*pfunc)(i), branchVariables);
  }
}

fill() [1/5]

void SimpleVertexTree::fill	(	const TransientVertex &	recv,
		const TrackingVertex *	simv = nullptr,
		reco::RecoToSimCollection *	recSimColl = nullptr,
		const float &	time = 0.
	)

Entry for a RecVertex. If the vertex was not associated to a TkSimVertex, an empty pointer can be given (would be identical to the next method). Timing information for the fit can also be provided.

Definition at line 124 of file SimpleVertexTree.cc.

References VertexFitterResult::fill(), fill(), result, and protons_cff::time.

                                               {
  result->fill(recv, simv, recSimColl, time);
  fill();
}

fill() [2/5]

void SimpleVertexTree::fill	(	const TransientVertex &	recv,
		const TrackingVertex *	simv = nullptr,
		const float &	time = 0.
	)

fill() [3/5]

void SimpleVertexTree::fill	(	const TransientVertex &	recv,
		const float &	time = 0.
	)

Entry for a RecVertex, without associated vertex. Timing information for the fit can also be provided.

Definition at line 132 of file SimpleVertexTree.cc.

References VertexFitterResult::fill(), fill(), result, and protons_cff::time.

                                                                          {
  result->fill(recv, nullptr, nullptr, time);
  fill();
}

fill() [4/5]

void SimpleVertexTree::fill

(

const TrackingVertex *

simv

)

Entry for a TkSimVertex, without RecVertex.

Definition at line 137 of file SimpleVertexTree.cc.

References VertexFitterResult::fill(), fill(), and result.

                                                      {
  result->fill(TransientVertex(), simv, nullptr);
  fill();
}

fill() [5/5]

void SimpleVertexTree::fill

(

void

)

To be used if one wants to record "Failed Fits", e.g. to synchronise two Trees

Definition at line 157 of file SimpleVertexTree.cc.

References numberOfVertices, VertexFitterResult::reset(), result, and vertexTree.

Referenced by fill().

                            {
  ++numberOfVertices;
  static std::atomic<int> nFill{0};
  TDirectory *rootDir = gDirectory;
  //
  // fill entry
  //
  vertexTree->GetDirectory()->cd();
  vertexTree->Fill();
  if ((++nFill) % 1000 == 0)
    vertexTree->AutoSave();
  //
  // restore directory
  //
  rootDir->cd();
  result->reset();
}

Member Data Documentation

chiProb

float SimpleVertexTree::chiProb

private

Definition at line 97 of file SimpleVertexTree.h.

Referenced by ~SimpleVertexTree().

chiTot

float SimpleVertexTree::chiTot

private

Definition at line 97 of file SimpleVertexTree.h.

maxTrack

int SimpleVertexTree::maxTrack

private

Definition at line 104 of file SimpleVertexTree.h.

Referenced by SimpleVertexTree().

ndf

float SimpleVertexTree::ndf

private

Definition at line 97 of file SimpleVertexTree.h.

numberOfVertices

int SimpleVertexTree::numberOfVertices

private

Definition at line 98 of file SimpleVertexTree.h.

Referenced by fill(), SimpleVertexTree(), and ~SimpleVertexTree().

parameterNames

TString* SimpleVertexTree::parameterNames[5]

private

Definition at line 105 of file SimpleVertexTree.h.

Referenced by defineTrackBranch(), and SimpleVertexTree().

recErr

float SimpleVertexTree::recErr[3]

private

Definition at line 96 of file SimpleVertexTree.h.

recPos

float SimpleVertexTree::recPos[3]

private

Definition at line 95 of file SimpleVertexTree.h.

result

VertexFitterResult* SimpleVertexTree::result

private

Definition at line 100 of file SimpleVertexTree.h.

Referenced by defineTrackBranch(), fill(), and SimpleVertexTree().

simPos

float SimpleVertexTree::simPos[3]

private

Definition at line 94 of file SimpleVertexTree.h.

theFitterName

TString SimpleVertexTree::theFitterName

private

Definition at line 101 of file SimpleVertexTree.h.

Referenced by ~SimpleVertexTree().

trackTest

bool SimpleVertexTree::trackTest

private

Definition at line 103 of file SimpleVertexTree.h.

vertexTree

TTree* SimpleVertexTree::vertexTree

private

Definition at line 99 of file SimpleVertexTree.h.

Referenced by defineTrackBranch(), fill(), SimpleVertexTree(), and ~SimpleVertexTree().