File indexing completed on 2023-10-25 10:00:42
0001 #include "CalibFormats/SiStripObjects/interface/SiStripDetInfo.h"
0002 #include "CalibTracker/SiStripCommon/interface/SiStripDetInfoFileReader.h"
0003 #include "CondFormats/DataRecord/interface/SiStripNoisesRcd.h"
0004 #include "CondFormats/SiStripObjects/interface/SiStripNoises.h"
0005 #include "DataFormats/BeamSpot/interface/BeamSpot.h"
0006 #include "DataFormats/Common/interface/DetSetVector.h"
0007 #include "DataFormats/Common/interface/DetSetVectorNew.h"
0008 #include "DataFormats/GeometryCommonDetAlgo/interface/MeasurementPoint.h"
0009 #include "DataFormats/GeometryVector/interface/GlobalPoint.h"
0010 #include "DataFormats/GeometryVector/interface/LocalPoint.h"
0011 #include "DataFormats/SiStripCluster/interface/SiStripApproximateCluster.h"
0012 #include "DataFormats/SiStripCluster/interface/SiStripApproximateClusterCollection.h"
0013 #include "DataFormats/SiStripCluster/interface/SiStripCluster.h"
0014 #include "DataFormats/SiStripCommon/interface/ConstantsForHardwareSystems.h"
0015 #include "DataFormats/TrackReco/interface/Track.h"
0016 #include "DataFormats/TrackReco/interface/TrackBase.h"
0017 #include "FWCore/Framework/interface/Frameworkfwd.h"
0018 #include "FWCore/Framework/interface/MakerMacros.h"
0019 #include "FWCore/Framework/interface/stream/EDProducer.h"
0020 #include "FWCore/ParameterSet/interface/ConfigurationDescriptions.h"
0021 #include "FWCore/ParameterSet/interface/FileInPath.h"
0022 #include "FWCore/ParameterSet/interface/ParameterSet.h"
0023 #include "FWCore/ParameterSet/interface/ParameterSetDescription.h"
0024 #include "FWCore/Utilities/interface/ESInputTag.h"
0025 #include "FWCore/Utilities/interface/InputTag.h"
0026 #include "Geometry/Records/interface/TrackerDigiGeometryRecord.h"
0027 #include "Geometry/TrackerGeometryBuilder/interface/StripGeomDetUnit.h"
0028 #include "Geometry/TrackerGeometryBuilder/interface/TrackerGeometry.h"
0029 #include "RecoTracker/PixelLowPtUtilities/interface/ClusterShapeHitFilter.h"
0030 #include "RecoTracker/PixelLowPtUtilities/interface/SlidingPeakFinder.h"
0031 #include "RecoTracker/Record/interface/CkfComponentsRecord.h"
0032
0033 #include <vector>
0034 #include <memory>
0035
0036 class SiStripClusters2ApproxClusters : public edm::stream::EDProducer<> {
0037 public:
0038 explicit SiStripClusters2ApproxClusters(const edm::ParameterSet& conf);
0039 void produce(edm::Event&, const edm::EventSetup&) override;
0040
0041 static void fillDescriptions(edm::ConfigurationDescriptions& descriptions);
0042
0043 private:
0044 edm::InputTag inputClusters;
0045 edm::EDGetTokenT<edmNew::DetSetVector<SiStripCluster> > clusterToken;
0046
0047 unsigned int maxNSat;
0048 static constexpr double subclusterWindow_ = .7;
0049 static constexpr double seedCutMIPs_ = .35;
0050 static constexpr double seedCutSN_ = 7.;
0051 static constexpr double subclusterCutMIPs_ = .45;
0052 static constexpr double subclusterCutSN_ = 12.;
0053
0054 edm::InputTag beamSpot_;
0055 edm::EDGetTokenT<reco::BeamSpot> beamSpotToken_;
0056
0057 edm::ESGetToken<TrackerGeometry, TrackerDigiGeometryRecord> tkGeomToken_;
0058
0059 edm::FileInPath fileInPath_;
0060 SiStripDetInfo detInfo_;
0061
0062 std::string csfLabel_;
0063 edm::ESGetToken<ClusterShapeHitFilter, CkfComponentsRecord> csfToken_;
0064
0065 edm::ESGetToken<SiStripNoises, SiStripNoisesRcd> stripNoiseToken_;
0066 edm::ESHandle<SiStripNoises> theNoise_;
0067 };
0068
0069 SiStripClusters2ApproxClusters::SiStripClusters2ApproxClusters(const edm::ParameterSet& conf) {
0070 inputClusters = conf.getParameter<edm::InputTag>("inputClusters");
0071 maxNSat = conf.getParameter<unsigned int>("maxSaturatedStrips");
0072
0073 clusterToken = consumes<edmNew::DetSetVector<SiStripCluster> >(inputClusters);
0074
0075 beamSpot_ = conf.getParameter<edm::InputTag>("beamSpot");
0076 beamSpotToken_ = consumes<reco::BeamSpot>(beamSpot_);
0077
0078 tkGeomToken_ = esConsumes();
0079
0080 fileInPath_ = edm::FileInPath(SiStripDetInfoFileReader::kDefaultFile);
0081 detInfo_ = SiStripDetInfoFileReader::read(fileInPath_.fullPath());
0082
0083 csfLabel_ = conf.getParameter<std::string>("clusterShapeHitFilterLabel");
0084 csfToken_ = esConsumes(edm::ESInputTag("", csfLabel_));
0085
0086 stripNoiseToken_ = esConsumes();
0087 produces<SiStripApproximateClusterCollection>();
0088 }
0089
0090 void SiStripClusters2ApproxClusters::produce(edm::Event& event, edm::EventSetup const& iSetup) {
0091 const auto& clusterCollection = event.get(clusterToken);
0092 auto result = std::make_unique<SiStripApproximateClusterCollection>();
0093 result->reserve(clusterCollection.size(), clusterCollection.dataSize());
0094
0095 auto const beamSpotHandle = event.getHandle(beamSpotToken_);
0096 auto const& bs = beamSpotHandle.isValid() ? *beamSpotHandle : reco::BeamSpot();
0097 if (not beamSpotHandle.isValid()) {
0098 edm::LogError("SiStripClusters2ApproxClusters")
0099 << "didn't find a valid beamspot with label \"" << beamSpot_.encode() << "\" -> using (0,0,0)";
0100 }
0101
0102 const auto& tkGeom = &iSetup.getData(tkGeomToken_);
0103 const auto& theFilter = &iSetup.getData(csfToken_);
0104 const auto& theNoise_ = &iSetup.getData(stripNoiseToken_);
0105
0106 for (const auto& detClusters : clusterCollection) {
0107 auto ff = result->beginDet(detClusters.id());
0108
0109 unsigned int detId = detClusters.id();
0110 const GeomDet* det = tkGeom->idToDet(detId);
0111 double nApvs = detInfo_.getNumberOfApvsAndStripLength(detId).first;
0112 double stripLength = detInfo_.getNumberOfApvsAndStripLength(detId).second;
0113 double barycenter_ypos = 0.5 * stripLength;
0114
0115 const StripGeomDetUnit* stripDet = dynamic_cast<const StripGeomDetUnit*>(det);
0116 float mip = 3.9 / (sistrip::MeVperADCStrip / stripDet->surface().bounds().thickness());
0117
0118 for (const auto& cluster : detClusters) {
0119 const LocalPoint& lp = LocalPoint(((cluster.barycenter() * 10 / (sistrip::STRIPS_PER_APV * nApvs)) -
0120 ((stripDet->surface().bounds().width()) * 0.5f)),
0121 barycenter_ypos - (0.5f * stripLength),
0122 0.);
0123 const GlobalPoint& gpos = det->surface().toGlobal(lp);
0124 GlobalPoint beamspot(bs.position().x(), bs.position().y(), bs.position().z());
0125 const GlobalVector& gdir = gpos - beamspot;
0126 const LocalVector& ldir = det->toLocal(gdir);
0127
0128 int hitStrips;
0129 float hitPredPos;
0130 bool usable = theFilter->getSizes(detId, cluster, lp, ldir, hitStrips, hitPredPos);
0131
0132 bool isTrivial = (std::abs(hitPredPos) < 2.f && hitStrips <= 2);
0133
0134 if (!usable || isTrivial) {
0135 ff.push_back(SiStripApproximateCluster(cluster, maxNSat, hitPredPos, true));
0136 } else {
0137 bool peakFilter = false;
0138 SlidingPeakFinder pf(std::max<int>(2, std::ceil(std::abs(hitPredPos) + subclusterWindow_)));
0139 float mipnorm = mip / std::abs(ldir.z());
0140 PeakFinderTest test(mipnorm,
0141 detId,
0142 cluster.firstStrip(),
0143 theNoise_,
0144 seedCutMIPs_,
0145 seedCutSN_,
0146 subclusterCutMIPs_,
0147 subclusterCutSN_);
0148 peakFilter = pf.apply(cluster.amplitudes(), test);
0149
0150 ff.push_back(SiStripApproximateCluster(cluster, maxNSat, hitPredPos, peakFilter));
0151 }
0152 }
0153 }
0154
0155 event.put(std::move(result));
0156 }
0157
0158 void SiStripClusters2ApproxClusters::fillDescriptions(edm::ConfigurationDescriptions& descriptions) {
0159 edm::ParameterSetDescription desc;
0160 desc.add<edm::InputTag>("inputClusters", edm::InputTag("siStripClusters"));
0161 desc.add<unsigned int>("maxSaturatedStrips", 3);
0162 desc.add<std::string>("clusterShapeHitFilterLabel", "ClusterShapeHitFilter");
0163 desc.add<edm::InputTag>("beamSpot", edm::InputTag("offlineBeamSpot"));
0164 descriptions.add("SiStripClusters2ApproxClusters", desc);
0165 }
0166
0167 DEFINE_FWK_MODULE(SiStripClusters2ApproxClusters);
