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GlobalTrackingRegionWithVerticesProducer Class Reference

#include <GlobalTrackingRegionWithVerticesProducer.h>

Inheritance diagram for GlobalTrackingRegionWithVerticesProducer:
TrackingRegionProducer

Public Member Functions

 GlobalTrackingRegionWithVerticesProducer (const edm::ParameterSet &cfg, edm::ConsumesCollector &&iC)
 
std::vector< std::unique_ptr
< TrackingRegion > > 
regions (const edm::Event &ev, const edm::EventSetup &es) const override
 
 ~GlobalTrackingRegionWithVerticesProducer () override
 
- Public Member Functions inherited from TrackingRegionProducer
virtual ~TrackingRegionProducer ()
 

Static Public Member Functions

static void fillDescriptions (edm::ConfigurationDescriptions &descriptions)
 

Private Attributes

edm::InputTag theBeamSpotTag
 
double theFixedError
 
bool theHalfLengthScaling
 
int theMaxNVertices
 
double theMaxPtMin
 
double theMinHalfLength
 
double theMinOriginR
 
double theNSigmaZ
 
double theOriginRadius
 
bool theOriginRScaling
 
bool thePrecise
 
double thePtMin
 
bool thePtMinScaling
 
double theScalingEnd
 
double theScalingStart
 
double theSigmaZVertex
 
bool theUseFakeVertices
 
bool theUseFixedError
 
bool theUseFoundVertices
 
bool theUseMS
 
edm::EDGetTokenT< reco::BeamSpottoken_beamSpot
 
edm::ESGetToken
< MultipleScatteringParametrisationMaker,
TrackerMultipleScatteringRecord
token_msmaker
 
edm::EDGetTokenT
< edmNew::DetSetVector
< SiPixelCluster > > 
token_pc
 
edm::EDGetTokenT
< reco::VertexCollection
token_vertex
 

Detailed Description

Definition at line 18 of file GlobalTrackingRegionWithVerticesProducer.h.

Constructor & Destructor Documentation

GlobalTrackingRegionWithVerticesProducer::GlobalTrackingRegionWithVerticesProducer ( const edm::ParameterSet cfg,
edm::ConsumesCollector &&  iC 
)
inline

Definition at line 20 of file GlobalTrackingRegionWithVerticesProducer.h.

References edm::ParameterSet::getParameter(), theFixedError, theHalfLengthScaling, theMaxNVertices, theMaxPtMin, theMinHalfLength, theMinOriginR, theNSigmaZ, theOriginRadius, theOriginRScaling, thePrecise, thePtMin, thePtMinScaling, theScalingEnd, theScalingStart, theSigmaZVertex, theUseFakeVertices, theUseFixedError, theUseFoundVertices, theUseMS, token_beamSpot, token_msmaker, token_pc, and token_vertex.

20  {
21  edm::ParameterSet regionPSet = cfg.getParameter<edm::ParameterSet>("RegionPSet");
22 
23  thePtMin = regionPSet.getParameter<double>("ptMin");
24  theOriginRadius = regionPSet.getParameter<double>("originRadius");
25  theNSigmaZ = regionPSet.getParameter<double>("nSigmaZ");
26  token_beamSpot = iC.consumes<reco::BeamSpot>(regionPSet.getParameter<edm::InputTag>("beamSpot"));
27  thePrecise = regionPSet.getParameter<bool>("precise");
28  theUseMS = regionPSet.getParameter<bool>("useMultipleScattering");
29 
30  theSigmaZVertex = regionPSet.getParameter<double>("sigmaZVertex");
31  theFixedError = regionPSet.getParameter<double>("fixedError");
32 
33  theMaxNVertices = regionPSet.getParameter<int>("maxNVertices");
34 
35  theUseFoundVertices = regionPSet.getParameter<bool>("useFoundVertices");
36  theUseFakeVertices = regionPSet.getParameter<bool>("useFakeVertices");
37  theUseFixedError = regionPSet.getParameter<bool>("useFixedError");
38  token_vertex = iC.consumes<reco::VertexCollection>(regionPSet.getParameter<edm::InputTag>("VertexCollection"));
39 
40  //information for Heavy ion region scaling
41  theOriginRScaling = regionPSet.getParameter<bool>("originRScaling4BigEvts");
42  thePtMinScaling = regionPSet.getParameter<bool>("ptMinScaling4BigEvts");
43  theHalfLengthScaling = regionPSet.getParameter<bool>("halfLengthScaling4BigEvts");
44  theMinOriginR = regionPSet.getParameter<double>("minOriginR");
45  theMaxPtMin = regionPSet.getParameter<double>("maxPtMin");
46  theMinHalfLength = regionPSet.getParameter<double>("minHalfLength");
47  theScalingStart = regionPSet.getParameter<double>("scalingStartNPix");
48  theScalingEnd = regionPSet.getParameter<double>("scalingEndNPix");
49  edm::InputTag pixelClustersForScaling = regionPSet.getParameter<edm::InputTag>("pixelClustersForScaling");
51  token_pc = iC.consumes<edmNew::DetSetVector<SiPixelCluster> >(pixelClustersForScaling);
52 
53  if (theUseMS) {
55  }
56  }
EDGetTokenT< ProductType > consumes(edm::InputTag const &tag)
edm::EDGetTokenT< reco::VertexCollection > token_vertex
std::vector< Vertex > VertexCollection
collection of Vertex objects
Definition: VertexFwd.h:9
edm::EDGetTokenT< edmNew::DetSetVector< SiPixelCluster > > token_pc
edm::ESGetToken< MultipleScatteringParametrisationMaker, TrackerMultipleScatteringRecord > token_msmaker
T getParameter(std::string const &) const
Definition: ParameterSet.h:303
GlobalTrackingRegionWithVerticesProducer::~GlobalTrackingRegionWithVerticesProducer ( )
inlineoverride

Definition at line 58 of file GlobalTrackingRegionWithVerticesProducer.h.

58 {}

Member Function Documentation

static void GlobalTrackingRegionWithVerticesProducer::fillDescriptions ( edm::ConfigurationDescriptions descriptions)
inlinestatic

Definition at line 60 of file GlobalTrackingRegionWithVerticesProducer.h.

References edm::ConfigurationDescriptions::add(), edm::ParameterSetDescription::add(), submitPVResolutionJobs::desc, and HLT_FULL_cff::InputTag.

60  {
62 
63  desc.add<bool>("precise", true);
64  desc.add<bool>("useMultipleScattering", false);
65  desc.add<edm::InputTag>("beamSpot", edm::InputTag("offlineBeamSpot"));
66  desc.add<bool>("useFixedError", true);
67  desc.add<double>("originRadius", 0.2);
68  desc.add<double>("sigmaZVertex", 3.0);
69  desc.add<double>("fixedError", 0.2);
70  desc.add<edm::InputTag>("VertexCollection", edm::InputTag("firstStepPrimaryVertices"));
71  desc.add<double>("ptMin", 0.9);
72  desc.add<bool>("useFoundVertices", true);
73  desc.add<bool>("useFakeVertices", false);
74  desc.add<int>("maxNVertices", -1)->setComment("-1 for all vertices");
75  desc.add<double>("nSigmaZ", 4.0);
76  desc.add<edm::InputTag>("pixelClustersForScaling", edm::InputTag("siPixelClusters"));
77  desc.add<bool>("originRScaling4BigEvts", false);
78  desc.add<bool>("ptMinScaling4BigEvts", false);
79  desc.add<bool>("halfLengthScaling4BigEvts", false);
80  desc.add<double>("minOriginR", 0);
81  desc.add<double>("maxPtMin", 1000);
82  desc.add<double>("minHalfLength", 0);
83  desc.add<double>("scalingStartNPix", 0.0);
84  desc.add<double>("scalingEndNPix", 1.0);
85 
86  // Only for backwards-compatibility
88  descRegion.add<edm::ParameterSetDescription>("RegionPSet", desc);
89 
90  descriptions.add("globalTrackingRegionWithVertices", descRegion);
91  }
ParameterDescriptionBase * add(U const &iLabel, T const &value)
void add(std::string const &label, ParameterSetDescription const &psetDescription)
std::vector<std::unique_ptr<TrackingRegion> > GlobalTrackingRegionWithVerticesProducer::regions ( const edm::Event ev,
const edm::EventSetup es 
) const
inlineoverridevirtual

Implements TrackingRegionProducer.

Definition at line 93 of file GlobalTrackingRegionWithVerticesProducer.h.

References cms::cuda::bs, edmNew::DetSetVector< T >::dataSize(), Exception, edm::Event::getByToken(), edm::EventSetup::getData(), input, edm::HandleBase::isValid(), mps_fire::result, reco::BeamSpot::sigmaZ(), theFixedError, theHalfLengthScaling, theMaxNVertices, theMaxPtMin, theMinHalfLength, theMinOriginR, theNSigmaZ, theOriginRadius, theOriginRScaling, thePrecise, thePtMin, thePtMinScaling, theScalingEnd, theScalingStart, theSigmaZVertex, theUseFakeVertices, theUseFixedError, theUseFoundVertices, theUseMS, token_beamSpot, token_msmaker, token_pc, token_vertex, GoodVertex_cfg::vertexCollection, reco::BeamSpot::x0(), reco::BeamSpot::y0(), and reco::BeamSpot::z0().

94  {
95  std::vector<std::unique_ptr<TrackingRegion> > result;
96 
97  GlobalPoint theOrigin;
99  ev.getByToken(token_beamSpot, bsHandle);
100  double bsSigmaZ;
101  if (bsHandle.isValid()) {
102  const reco::BeamSpot& bs = *bsHandle;
103  bsSigmaZ = theNSigmaZ * bs.sigmaZ();
104  theOrigin = GlobalPoint(bs.x0(), bs.y0(), bs.z0());
105  } else {
106  throw cms::Exception("Seeding") << "ERROR: input beamSpot is not valid in GlobalTrackingRegionWithVertices";
107  }
108 
109  const MultipleScatteringParametrisationMaker* msmaker = nullptr;
110  if (theUseMS) {
111  msmaker = &es.getData(token_msmaker);
112  }
113 
114  if (theUseFoundVertices) {
116  ev.getByToken(token_vertex, vertexCollection);
117 
120  if (doScaling)
121  ev.getByToken(token_pc, pixelClusterDSV);
122 
123  for (reco::VertexCollection::const_iterator iV = vertexCollection->begin(); iV != vertexCollection->end(); iV++) {
124  if (!iV->isValid())
125  continue;
126  if (iV->isFake() && !(theUseFakeVertices && theUseFixedError))
127  continue;
128  GlobalPoint theOrigin_ = GlobalPoint(iV->x(), iV->y(), iV->z());
129 
130  //scaling origin radius, half length, min pt for high-occupancy HI events to keep timing reasonable
131  if (doScaling) {
132  //Use the unscaled radius unless one of the two conditions below is met
133  double scaledOriginRadius = theOriginRadius;
134  double scaledHalfLength = theFixedError;
135  double scaledPtMin = thePtMin;
136 
137  //calculate nPixels (adapted from TkSeedGenerator/src/ClusterChecker.cc)
138  double nPix = 0;
139 
140  const edmNew::DetSetVector<SiPixelCluster>& input = *pixelClusterDSV;
141  nPix = input.dataSize();
142 
143  //first condition is for high occupancy, second makes sure we won't divide by zero or a negative number
144  if ((nPix > theScalingEnd) || ((theScalingEnd - theScalingStart) <= 0)) {
145  if (theOriginRScaling)
146  scaledOriginRadius = theMinOriginR; // sets parameters to minimum value from PSet
148  scaledHalfLength = theMinHalfLength;
149  if (thePtMinScaling)
150  scaledPtMin = theMaxPtMin;
151  }
152  //second condition - scale radius linearly by Npix in the region from ScalingStart to ScalingEnd
153  else if ((nPix <= theScalingEnd) && (nPix > theScalingStart)) {
154  float slopeFactor = (nPix - theScalingStart) / (theScalingEnd - theScalingStart);
155  if (theOriginRScaling)
156  scaledOriginRadius = theOriginRadius - (theOriginRadius - theMinOriginR) * slopeFactor;
158  scaledHalfLength = theFixedError - (theFixedError - theMinHalfLength) * slopeFactor;
159  if (thePtMinScaling)
160  scaledPtMin = thePtMin - (thePtMin - theMaxPtMin) * slopeFactor;
161  }
162  //if region has 0 size, return 'result' empty, otherwise make a tracking region
163  if (scaledOriginRadius != 0 && scaledHalfLength != 0) {
164  result.push_back(std::make_unique<GlobalTrackingRegion>(
165  scaledPtMin, theOrigin_, scaledOriginRadius, scaledHalfLength, thePrecise, theUseMS, msmaker));
166  }
167  } //end of region scaling code, pp behavior below
168 
169  else {
170  double theOriginHalfLength_ = (theUseFixedError ? theFixedError : (iV->zError()) * theSigmaZVertex);
171  result.push_back(std::make_unique<GlobalTrackingRegion>(
172  thePtMin, theOrigin_, theOriginRadius, theOriginHalfLength_, thePrecise, theUseMS, msmaker));
173  if (theMaxNVertices >= 0 && result.size() >= static_cast<unsigned>(theMaxNVertices))
174  break;
175  }
176  }
177 
178  if (result.empty() && !(theOriginRScaling || thePtMinScaling || theHalfLengthScaling)) {
179  result.push_back(std::make_unique<GlobalTrackingRegion>(
180  thePtMin, theOrigin, theOriginRadius, bsSigmaZ, thePrecise, theUseMS, msmaker));
181  }
182  } else {
183  result.push_back(std::make_unique<GlobalTrackingRegion>(
184  thePtMin, theOrigin, theOriginRadius, bsSigmaZ, thePrecise, theUseMS, msmaker));
185  }
186 
187  return result;
188  }
double z0() const
z coordinate
Definition: BeamSpot.h:65
size_type dataSize() const
bool getByToken(EDGetToken token, Handle< PROD > &result) const
Definition: Event.h:539
Global3DPoint GlobalPoint
Definition: GlobalPoint.h:10
edm::EDGetTokenT< reco::VertexCollection > token_vertex
edm::EDGetTokenT< edmNew::DetSetVector< SiPixelCluster > > token_pc
tuple vertexCollection
static std::string const input
Definition: EdmProvDump.cc:47
tuple result
Definition: mps_fire.py:311
bool getData(T &iHolder) const
Definition: EventSetup.h:122
bool isValid() const
Definition: HandleBase.h:70
edm::ESGetToken< MultipleScatteringParametrisationMaker, TrackerMultipleScatteringRecord > token_msmaker
double sigmaZ() const
sigma z
Definition: BeamSpot.h:76
double y0() const
y coordinate
Definition: BeamSpot.h:63
double x0() const
x coordinate
Definition: BeamSpot.h:61

Member Data Documentation

edm::InputTag GlobalTrackingRegionWithVerticesProducer::theBeamSpotTag
private

Definition at line 194 of file GlobalTrackingRegionWithVerticesProducer.h.

double GlobalTrackingRegionWithVerticesProducer::theFixedError
private
bool GlobalTrackingRegionWithVerticesProducer::theHalfLengthScaling
private
int GlobalTrackingRegionWithVerticesProducer::theMaxNVertices
private
double GlobalTrackingRegionWithVerticesProducer::theMaxPtMin
private
double GlobalTrackingRegionWithVerticesProducer::theMinHalfLength
private
double GlobalTrackingRegionWithVerticesProducer::theMinOriginR
private
double GlobalTrackingRegionWithVerticesProducer::theNSigmaZ
private
double GlobalTrackingRegionWithVerticesProducer::theOriginRadius
private
bool GlobalTrackingRegionWithVerticesProducer::theOriginRScaling
private
bool GlobalTrackingRegionWithVerticesProducer::thePrecise
private
double GlobalTrackingRegionWithVerticesProducer::thePtMin
private
bool GlobalTrackingRegionWithVerticesProducer::thePtMinScaling
private
double GlobalTrackingRegionWithVerticesProducer::theScalingEnd
private
double GlobalTrackingRegionWithVerticesProducer::theScalingStart
private
double GlobalTrackingRegionWithVerticesProducer::theSigmaZVertex
private
bool GlobalTrackingRegionWithVerticesProducer::theUseFakeVertices
private
bool GlobalTrackingRegionWithVerticesProducer::theUseFixedError
private
bool GlobalTrackingRegionWithVerticesProducer::theUseFoundVertices
private
bool GlobalTrackingRegionWithVerticesProducer::theUseMS
private
edm::EDGetTokenT<reco::BeamSpot> GlobalTrackingRegionWithVerticesProducer::token_beamSpot
private
edm::ESGetToken<MultipleScatteringParametrisationMaker, TrackerMultipleScatteringRecord> GlobalTrackingRegionWithVerticesProducer::token_msmaker
private
edm::EDGetTokenT<edmNew::DetSetVector<SiPixelCluster> > GlobalTrackingRegionWithVerticesProducer::token_pc
private
edm::EDGetTokenT<reco::VertexCollection> GlobalTrackingRegionWithVerticesProducer::token_vertex
private