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#include "UserCode/L1RpcTriggerAnalysis/interface/SynchroSelector.h"
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#include "FWCore/Framework/interface/Event.h"
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#include "FWCore/Framework/interface/EventSetup.h"
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#include "FWCore/Framework/interface/ESHandle.h"
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#include "FWCore/Utilities/interface/InputTag.h"
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#include "DataFormats/TrackReco/interface/TrackFwd.h"
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#include "DataFormats/TrackReco/interface/Track.h"
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#include "Geometry/CommonDetUnit/interface/GlobalTrackingGeometry.h"
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#include "Geometry/Records/interface/GlobalTrackingGeometryRecord.h"
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#include "Geometry/CommonDetUnit/interface/GeomDet.h"
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#include "MagneticField/Engine/interface/MagneticField.h"
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#include "MagneticField/Records/interface/IdealMagneticFieldRecord.h"
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#include "TrackingTools/Records/interface/TrackingComponentsRecord.h"
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#include "TrackingTools/GeomPropagators/interface/Propagator.h"
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#include "TrackingTools/TrajectoryState/interface/TrajectoryStateOnSurface.h"
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#include "DataFormats/MuonDetId/interface/RPCDetId.h"
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#include "DataFormats/RPCRecHit/interface/RPCRecHitCollection.h"
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#include "TH1.h"
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#include <cmath>
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using namespace edm;
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using namespace std;
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SynchroSelector::SynchroSelector(const edm::ParameterSet & cfg)
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: theConfig(cfg), hPullX(0),hDistX(0)
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{ }
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bool SynchroSelector::checkRpcDetMatching( const TrajectoryStateOnSurface & tsos, const RPCDetId & det, const edm::Event&ev, const edm::EventSetup& es)
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{
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edm::ESHandle<Propagator> propagator;
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es.get<TrackingComponentsRecord>().get("SteppingHelixPropagatorAlong", propagator);
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edm::ESHandle<GlobalTrackingGeometry> globalGeometry;
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es.get<GlobalTrackingGeometryRecord>().get(globalGeometry);
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GlobalPoint detPos, trackPos;
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// std::cout <<"BEFORE PROPAGATION POSITION:"<< tsos.globalPosition().perp()<<" GLOBAL MOMENTUM:"<<tsos.globalMomentum().mag()<< std::endl;
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TrajectoryStateOnSurface trackAtRPC = propagator->propagate(tsos, globalGeometry->idToDet(det)->surface());
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if (!trackAtRPC.isValid()) return false;
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// std::cout <<"AFTER PROPAGATION POSITION:"<< trackAtRPC.globalPosition().perp()<<" GLOBAL MOMENTUM:"<<trackAtRPC.globalMomentum().mag()<< std::endl;
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detPos = globalGeometry->idToDet(det)->position();
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trackPos = trackAtRPC.globalPosition();
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/*
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std::cout <<" **** "<<theConfig.getParameter<std::string>("collection")<<" position at RPC det:"<<det.rawId()
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//<< is :"<globalGeometry->idToDet(det)->position()
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<<", r= "<<trackAtRPC.globalPosition().perp()
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<<", z= "<<trackAtRPC.globalPosition().z()
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<<", phi= "<<trackAtRPC.globalPosition().phi()
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<<", eta= "<<trackAtRPC.globalPosition().eta()
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//<<" localPosition: "<<trackAtRPC.localPosition()
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//<<" localError: (xx:"<<trackAtRPC.localError().positionError()
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<<" isInside: "<< globalGeometry->idToDet(det)->surface().bounds().inside( trackAtRPC.localPosition())
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<< std::endl;
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*/
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float propQuality = 0.;
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if ( trackAtRPC.localError().positionError().xx() > 2500 || trackAtRPC.localError().positionError().yy() > 2500) return false;
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else if (trackAtRPC.localError().positionError().xx() > 1000 || trackAtRPC.localError().positionError().yy() > 1000) propQuality = 0;
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else if (trackAtRPC.localError().positionError().xx() > 500 || trackAtRPC.localError().positionError().yy() > 500) propQuality = 1;
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else if (trackAtRPC.localError().positionError().xx() > 100 || trackAtRPC.localError().positionError().yy() > 100) propQuality = 2;
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else propQuality = 3.;
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if (propQuality < theConfig.getParameter<int>("checkRpcDetMatching_minPropagationQuality") ) return false;
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double scale = theConfig.getParameter<bool>("checkRpcDetMatching_matchingScaleAuto") ? propQuality : theConfig.getParameter<double>("checkRpcDetMatching_matchingScaleValue") ;
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bool inside = globalGeometry->idToDet(det)->surface().bounds().inside( trackAtRPC.localPosition(), trackAtRPC.localError().positionError(), scale);
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//std::cout<<"In:"<<inside <<" detector r:" << detPos.perp()<<" phi:"<<detPos.phi()<<" z:"<<detPos.z()
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// <<" track r:"<< trackPos.perp()<<" phi:"<<trackPos.phi()<<" z:"<<trackPos.z() <<"Error: "<<trackAtRPC.localError().positionError()<< std::endl;
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return inside;
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}
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bool SynchroSelector::checkUniqueRecHitMatching( const TrajectoryStateOnSurface & tsos, const RPCDetId & det, const edm::Event&ev, const edm::EventSetup& es)
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{
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//propagate to det
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edm::ESHandle<Propagator> propagator;
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es.get<TrackingComponentsRecord>().get("SteppingHelixPropagatorAny", propagator);
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edm::ESHandle<GlobalTrackingGeometry> globalGeometry;
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es.get<GlobalTrackingGeometryRecord>().get(globalGeometry);
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TrajectoryStateOnSurface trackAtRPC = propagator->propagate(tsos, globalGeometry->idToDet(det)->surface());
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if (!trackAtRPC.isValid()) return false;
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LocalPoint trackAtRPCPoint = trackAtRPC.localPosition() ;
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LocalError trackAtRPCError = trackAtRPC.localError().positionError();
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edm::Handle<RPCRecHitCollection> rpcHits;
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std::vector<edm::Handle<RPCRecHitCollection> > handle_vec;
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ev.getManyByType(handle_vec);
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if(handle_vec.size()) rpcHits = handle_vec[0];
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bool matched = false;
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bool unique = true;
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pair<RPCRecHitCollection::const_iterator, RPCRecHitCollection::const_iterator> recHitsInDet = rpcHits->get(det);
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for (RPCRecHitCollection::const_iterator ih = recHitsInDet.first; ih != recHitsInDet.second; ++ih) {
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LocalPoint hitPoint = ih->localPosition();
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LocalError hitError = ih->localPositionError();
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float distX = hitPoint.x()-trackAtRPCPoint.x();
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float pullX = distX/ sqrt( trackAtRPCError.xx()+hitError.xx());
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if ( fabs(pullX) < theConfig.getParameter<double>("checkUniqueRecHitMatching_maxPull")
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&& fabs(distX) < theConfig.getParameter<double>("checkUniqueRecHitMatching_maxDist") ) {
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matched = true;
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} else {
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unique = false;
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}
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if (hPullX) hPullX->Fill(pullX);
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if (hDistX) hDistX->Fill(distX);
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}
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return (matched && unique);
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}
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