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HIPixelMedianVtxProducer Class Reference

#include <HIPixelMedianVtxProducer.h>

Inheritance diagram for HIPixelMedianVtxProducer:
edm::one::EDProducer<> edm::one::EDProducerBase edm::ProducerBase edm::EDConsumerBase edm::ProductRegistryHelper

Public Member Functions

 HIPixelMedianVtxProducer (const edm::ParameterSet &ps)
 
void produce (edm::Event &ev, const edm::EventSetup &es) override
 
 ~HIPixelMedianVtxProducer () override
 
- Public Member Functions inherited from edm::one::EDProducer<>
 EDProducer ()=default
 
 EDProducer (const EDProducer &)=delete
 
SerialTaskQueueglobalLuminosityBlocksQueue () final
 
SerialTaskQueueglobalRunsQueue () final
 
bool hasAbilityToProduceInBeginLumis () const final
 
bool hasAbilityToProduceInBeginProcessBlocks () const final
 
bool hasAbilityToProduceInBeginRuns () const final
 
bool hasAbilityToProduceInEndLumis () const final
 
bool hasAbilityToProduceInEndProcessBlocks () const final
 
bool hasAbilityToProduceInEndRuns () const final
 
const EDProduceroperator= (const EDProducer &)=delete
 
bool wantsGlobalLuminosityBlocks () const final
 
bool wantsGlobalRuns () const final
 
bool wantsInputProcessBlocks () const final
 
bool wantsProcessBlocks () const final
 
- Public Member Functions inherited from edm::one::EDProducerBase
 EDProducerBase ()
 
ModuleDescription const & moduleDescription () const
 
bool wantsStreamLuminosityBlocks () const
 
bool wantsStreamRuns () const
 
 ~EDProducerBase () override
 
- Public Member Functions inherited from edm::ProducerBase
void callWhenNewProductsRegistered (std::function< void(BranchDescription const &)> const &func)
 
std::vector
< edm::ProductResolverIndex >
const & 
indiciesForPutProducts (BranchType iBranchType) const
 
 ProducerBase ()
 
std::vector
< edm::ProductResolverIndex >
const & 
putTokenIndexToProductResolverIndex () const
 
void registerProducts (ProducerBase *, ProductRegistry *, ModuleDescription const &)
 
std::function< void(BranchDescription
const &)> 
registrationCallback () const
 used by the fwk to register list of products More...
 
void resolvePutIndicies (BranchType iBranchType, ModuleToResolverIndicies const &iIndicies, std::string const &moduleLabel)
 
 ~ProducerBase () noexcept(false) override
 
- Public Member Functions inherited from edm::EDConsumerBase
std::vector< ConsumesInfoconsumesInfo () const
 
void convertCurrentProcessAlias (std::string const &processName)
 Convert "@currentProcess" in InputTag process names to the actual current process name. More...
 
 EDConsumerBase ()
 
 EDConsumerBase (EDConsumerBase const &)=delete
 
 EDConsumerBase (EDConsumerBase &&)=default
 
ESProxyIndex const * esGetTokenIndices (edm::Transition iTrans) const
 
std::vector< ESProxyIndex > const & esGetTokenIndicesVector (edm::Transition iTrans) const
 
std::vector< ESRecordIndex >
const & 
esGetTokenRecordIndicesVector (edm::Transition iTrans) const
 
ProductResolverIndexAndSkipBit indexFrom (EDGetToken, BranchType, TypeID const &) const
 
void itemsMayGet (BranchType, std::vector< ProductResolverIndexAndSkipBit > &) const
 
void itemsToGet (BranchType, std::vector< ProductResolverIndexAndSkipBit > &) const
 
std::vector
< ProductResolverIndexAndSkipBit >
const & 
itemsToGetFrom (BranchType iType) const
 
void labelsForToken (EDGetToken iToken, Labels &oLabels) const
 
void modulesWhoseProductsAreConsumed (std::array< std::vector< ModuleDescription const * > *, NumBranchTypes > &modulesAll, std::vector< ModuleProcessName > &modulesInPreviousProcesses, ProductRegistry const &preg, std::map< std::string, ModuleDescription const * > const &labelsToDesc, std::string const &processName) const
 
EDConsumerBase const & operator= (EDConsumerBase const &)=delete
 
EDConsumerBaseoperator= (EDConsumerBase &&)=default
 
bool registeredToConsume (ProductResolverIndex, bool, BranchType) const
 
bool registeredToConsumeMany (TypeID const &, BranchType) const
 
void selectInputProcessBlocks (ProductRegistry const &productRegistry, ProcessBlockHelperBase const &processBlockHelperBase)
 
ProductResolverIndexAndSkipBit uncheckedIndexFrom (EDGetToken) const
 
void updateLookup (BranchType iBranchType, ProductResolverIndexHelper const &, bool iPrefetchMayGet)
 
void updateLookup (eventsetup::ESRecordsToProxyIndices const &)
 
virtual ~EDConsumerBase () noexcept(false)
 

Private Member Functions

void beginJob () override
 

Private Attributes

int theFitBinning
 
double theFitMaxZ
 
int theFitThreshold
 
int thePeakFindBinning
 
double thePeakFindMaxZ
 
unsigned int thePeakFindThresh
 
double thePtMin
 
edm::EDGetTokenT
< reco::TrackCollection
theTrackCollection
 

Additional Inherited Members

- Public Types inherited from edm::one::EDProducerBase
typedef EDProducerBase ModuleType
 
- Public Types inherited from edm::ProducerBase
using ModuleToResolverIndicies = std::unordered_multimap< std::string, std::tuple< edm::TypeID const *, const char *, edm::ProductResolverIndex >>
 
typedef
ProductRegistryHelper::TypeLabelList 
TypeLabelList
 
- Public Types inherited from edm::EDConsumerBase
typedef ProductLabels Labels
 
- Static Public Member Functions inherited from edm::one::EDProducerBase
static const std::string & baseType ()
 
static void fillDescriptions (ConfigurationDescriptions &descriptions)
 
static void prevalidate (ConfigurationDescriptions &descriptions)
 
- Protected Member Functions inherited from edm::ProducerBase
ProducesCollector producesCollector ()
 
- Protected Member Functions inherited from edm::EDConsumerBase
template<typename ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType > consumes (edm::InputTag const &tag)
 
template<BranchType B = InEvent>
EDConsumerBaseAdaptor< B > consumes (edm::InputTag tag) noexcept
 
EDGetToken consumes (const TypeToGet &id, edm::InputTag const &tag)
 
template<BranchType B>
EDGetToken consumes (TypeToGet const &id, edm::InputTag const &tag)
 
ConsumesCollector consumesCollector ()
 Use a ConsumesCollector to gather consumes information from helper functions. More...
 
template<typename ProductType , BranchType B = InEvent>
void consumesMany ()
 
void consumesMany (const TypeToGet &id)
 
template<BranchType B>
void consumesMany (const TypeToGet &id)
 
template<typename ESProduct , typename ESRecord , Transition Tr = Transition::Event>
auto esConsumes ()
 
template<typename ESProduct , typename ESRecord , Transition Tr = Transition::Event>
auto esConsumes (ESInputTag const &tag)
 
template<Transition Tr = Transition::Event>
constexpr auto esConsumes () noexcept
 
template<Transition Tr = Transition::Event>
auto esConsumes (ESInputTag tag) noexcept
 
template<Transition Tr = Transition::Event>
ESGetTokenGeneric esConsumes (eventsetup::EventSetupRecordKey const &iRecord, eventsetup::DataKey const &iKey)
 Used with EventSetupRecord::doGet. More...
 
template<typename ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType > mayConsume (edm::InputTag const &tag)
 
EDGetToken mayConsume (const TypeToGet &id, edm::InputTag const &tag)
 
template<BranchType B>
EDGetToken mayConsume (const TypeToGet &id, edm::InputTag const &tag)
 
void resetItemsToGetFrom (BranchType iType)
 

Detailed Description

Definition at line 15 of file HIPixelMedianVtxProducer.h.

Constructor & Destructor Documentation

HIPixelMedianVtxProducer::HIPixelMedianVtxProducer ( const edm::ParameterSet ps)
explicit

Definition at line 21 of file HIPixelMedianVtxProducer.cc.

22  : theTrackCollection(consumes<reco::TrackCollection>(ps.getParameter<edm::InputTag>("TrackCollection"))),
23  thePtMin(ps.getParameter<double>("PtMin")),
24  thePeakFindThresh(ps.getParameter<unsigned int>("PeakFindThreshold")),
25  thePeakFindMaxZ(ps.getParameter<double>("PeakFindMaxZ")),
26  thePeakFindBinning(ps.getParameter<int>("PeakFindBinsPerCm")),
27  theFitThreshold(ps.getParameter<int>("FitThreshold")),
28  theFitMaxZ(ps.getParameter<double>("FitMaxZ")),
29  theFitBinning(ps.getParameter<int>("FitBinsPerCm")) {
30  produces<reco::VertexCollection>();
31 
32  //In order to make fitting ROOT histograms thread safe
33  // one must call this undocumented function
34  TMinuitMinimizer::UseStaticMinuit(false);
35 }
T getParameter(std::string const &) const
Definition: ParameterSet.h:303
edm::EDGetTokenT< reco::TrackCollection > theTrackCollection
HIPixelMedianVtxProducer::~HIPixelMedianVtxProducer ( )
inlineoverride

Definition at line 18 of file HIPixelMedianVtxProducer.h.

18 {};

Member Function Documentation

void HIPixelMedianVtxProducer::beginJob ( void  )
inlineoverrideprivatevirtual

Reimplemented from edm::one::EDProducerBase.

Definition at line 22 of file HIPixelMedianVtxProducer.h.

22 {};
void HIPixelMedianVtxProducer::produce ( edm::Event ev,
const edm::EventSetup es 
)
overridevirtual

Implements edm::one::EDProducerBase.

Definition at line 38 of file HIPixelMedianVtxProducer.cc.

References makePileupJSON::denom, submitPVValidationJobs::err, validate-o2o-wbm::f1, edm::Event::getByToken(), timingPdfMaker::histo, mps_fire::i, LogTrace, cms::cuda::allocator::maxBin, eostools::move(), pileupDistInMC::num, edm::Handle< T >::product(), DiDispStaMuonMonitor_cfi::pt, edm::Event::put(), theFitBinning, theFitMaxZ, theFitThreshold, thePeakFindBinning, thePeakFindMaxZ, thePeakFindThresh, thePtMin, theTrackCollection, HLT_FULL_cff::track, HLT_FULL_cff::trackCollection, tracks, and beam_dqm_sourceclient-live_cfg::vertices.

38  {
39  // Get pixel tracks
41  ev.getByToken(theTrackCollection, trackCollection);
42  const reco::TrackCollection tracks_ = *(trackCollection.product());
43 
44  // Select tracks above minimum pt
45  std::vector<const reco::Track*> tracks;
46  for (unsigned int i = 0; i < tracks_.size(); i++) {
47  if (tracks_[i].pt() < thePtMin && std::fabs(tracks_[i].vz()) < 100000.)
48  continue;
49  reco::TrackRef recTrack(trackCollection, i);
50  tracks.push_back(&(*recTrack));
51  }
52 
53  LogTrace("MinBiasTracking") << " [VertexProducer] selected tracks: " << tracks.size() << " (out of " << tracks_.size()
54  << ") above pt = " << thePtMin;
55 
56  // Output vertex collection
57  auto vertices = std::make_unique<reco::VertexCollection>();
58 
59  // No tracks -> return empty collection
60  if (tracks.empty()) {
61  ev.put(std::move(vertices));
62  return;
63  }
64 
65  // Sort tracks according to vertex z position
66  std::sort(tracks.begin(), tracks.end(), ComparePairs());
67 
68  // Calculate median vz
69  float med;
70  if (tracks.size() % 2 == 0)
71  med = (tracks[tracks.size() / 2 - 1]->vz() + tracks[tracks.size() / 2]->vz()) / 2;
72  else
73  med = tracks[tracks.size() / 2]->vz();
74 
75  LogTrace("MinBiasTracking") << " [vertex position] median = " << med << " cm";
76 
77  // In high multiplicity events, fit around most probable position
78  if (tracks.size() > thePeakFindThresh) {
79  // Find maximum bin
80  TH1F hmax("hmax", "hmax", thePeakFindBinning * 2.0 * thePeakFindMaxZ, -1.0 * thePeakFindMaxZ, thePeakFindMaxZ);
81 
82  for (std::vector<const reco::Track*>::const_iterator track = tracks.begin(); track != tracks.end(); track++)
83  if (fabs((*track)->vz()) < thePeakFindMaxZ)
84  hmax.Fill((*track)->vz());
85 
86  int maxBin = hmax.GetMaximumBin();
87 
88  LogTrace("MinBiasTracking") << " [vertex position] most prob = " << hmax.GetBinCenter(maxBin) << " cm";
89 
90  // Find 3-bin weighted average
91  float num = 0.0, denom = 0.0;
92  for (int i = -1; i <= 1; i++) {
93  num += hmax.GetBinContent(maxBin + i) * hmax.GetBinCenter(maxBin + i);
94  denom += hmax.GetBinContent(maxBin + i);
95  }
96 
97  if (denom == 0) {
99  err(2, 2) = 0.1 * 0.1;
100  reco::Vertex ver(reco::Vertex::Point(0, 0, 99999.), err, 0, 0, 1);
101  vertices->push_back(ver);
102  ev.put(std::move(vertices));
103  return;
104  }
105 
106  float nBinAvg = num / denom;
107 
108  // Center fit at 3-bin weighted average around max bin
109  med = nBinAvg;
110 
111  LogTrace("MinBiasTracking") << " [vertex position] 3-bin weighted average = " << nBinAvg << " cm";
112  }
113 
114  // Bin vz-values around most probable value (or median) for fitting
115  TH1F histo("histo", "histo", theFitBinning * 2.0 * theFitMaxZ, -1.0 * theFitMaxZ, theFitMaxZ);
116  histo.Sumw2();
117 
118  for (std::vector<const reco::Track*>::const_iterator track = tracks.begin(); track != tracks.end(); track++)
119  if (fabs((*track)->vz() - med) < theFitMaxZ)
120  histo.Fill((*track)->vz() - med);
121 
122  LogTrace("MinBiasTracking") << " [vertex position] most prob for fit = "
123  << med + histo.GetBinCenter(histo.GetMaximumBin()) << " cm";
124 
125  // If there are very few entries, don't do the fit
126  if (histo.GetEntries() <= theFitThreshold) {
127  LogTrace("MinBiasTracking") << " [vertex position] Fewer than" << theFitThreshold
128  << " entries in fit histogram. Returning median.";
129 
131  err(2, 2) = 0.1 * 0.1;
132  reco::Vertex ver(reco::Vertex::Point(0, 0, med), err, 0, 1, 1);
133  vertices->push_back(ver);
134  ev.put(std::move(vertices));
135  return;
136  }
137 
138  // Otherwise, there are enough entries to refine the estimate with a fit
139  TF1 f1("f1", "[0]*exp(-0.5 * ((x-[1])/[2])^2) + [3]");
140  f1.SetParameters(10., 0., 0.02, 0.002 * tracks.size());
141  f1.SetParLimits(1, -0.1, 0.1);
142  f1.SetParLimits(2, 0.001, 0.05);
143  f1.SetParLimits(3, 0.0, 0.005 * tracks.size());
144 
145  histo.Fit(&f1, "QN SERIAL");
146 
147  LogTrace("MinBiasTracking") << " [vertex position] fitted = " << med + f1.GetParameter(1) << " +- "
148  << f1.GetParError(1) << " cm";
149 
151  err(2, 2) = f1.GetParError(1) * f1.GetParError(1);
152  reco::Vertex ver(reco::Vertex::Point(0, 0, med + f1.GetParameter(1)), err, 0, 1, 1);
153  vertices->push_back(ver);
154 
155  ev.put(std::move(vertices));
156  return;
157 }
OrphanHandle< PROD > put(std::unique_ptr< PROD > product)
Put a new product.
Definition: Event.h:133
bool getByToken(EDGetToken token, Handle< PROD > &result) const
Definition: Event.h:539
constexpr unsigned int maxBin
std::vector< Track > TrackCollection
collection of Tracks
Definition: TrackFwd.h:14
math::Error< dimension >::type Error
covariance error matrix (3x3)
Definition: Vertex.h:44
auto const & tracks
cannot be loose
#define LogTrace(id)
def move
Definition: eostools.py:511
math::XYZPoint Point
point in the space
Definition: Vertex.h:40
tuple trackCollection
T const * product() const
Definition: Handle.h:70
edm::EDGetTokenT< reco::TrackCollection > theTrackCollection

Member Data Documentation

int HIPixelMedianVtxProducer::theFitBinning
private

Definition at line 31 of file HIPixelMedianVtxProducer.h.

Referenced by produce().

double HIPixelMedianVtxProducer::theFitMaxZ
private

Definition at line 30 of file HIPixelMedianVtxProducer.h.

Referenced by produce().

int HIPixelMedianVtxProducer::theFitThreshold
private

Definition at line 29 of file HIPixelMedianVtxProducer.h.

Referenced by produce().

int HIPixelMedianVtxProducer::thePeakFindBinning
private

Definition at line 28 of file HIPixelMedianVtxProducer.h.

Referenced by produce().

double HIPixelMedianVtxProducer::thePeakFindMaxZ
private

Definition at line 27 of file HIPixelMedianVtxProducer.h.

Referenced by produce().

unsigned int HIPixelMedianVtxProducer::thePeakFindThresh
private

Definition at line 26 of file HIPixelMedianVtxProducer.h.

Referenced by produce().

double HIPixelMedianVtxProducer::thePtMin
private

Definition at line 25 of file HIPixelMedianVtxProducer.h.

Referenced by produce().

edm::EDGetTokenT<reco::TrackCollection> HIPixelMedianVtxProducer::theTrackCollection
private

Definition at line 22 of file HIPixelMedianVtxProducer.h.

Referenced by produce().