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#include "TrackingAnalysis/Cosmics/interface/TrajectoryAtValidHit.h"
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#include "TrackingTools/TrackFitters/interface/TrajectoryStateCombiner.h"
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#include "TrackingTools/TrajectoryState/interface/TrajectoryStateOnSurface.h"
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#include "TrackingTools/TrajectoryState/interface/TrajectoryStateTransform.h"
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#include "Geometry/CommonDetUnit/interface/GeomDetUnit.h"
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#include "Geometry/CommonTopologies/interface/StripTopology.h"
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#include "Geometry/CommonTopologies/interface/PixelTopology.h"
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#include "DataFormats/GeometryCommonDetAlgo/interface/MeasurementError.h"
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#include "DataFormats/GeometryCommonDetAlgo/interface/MeasurementVector.h"
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#include "DataFormats/SiStripDetId/interface/StripSubdetector.h"
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#include "DataFormats/SiStripDetId/interface/TIBDetId.h"
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#include "DataFormats/SiStripDetId/interface/TIDDetId.h"
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#include "DataFormats/SiStripDetId/interface/TOBDetId.h"
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#include "DataFormats/SiStripDetId/interface/TECDetId.h"
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#include "Geometry/TrackerGeometryBuilder/interface/GluedGeomDet.h"
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#include "RecoTracker/MeasurementDet/interface/RecHitPropagator.h"
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#include "TrackingTools/TransientTrackingRecHit/interface/TrackingRecHitProjector.h"
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#include "RecoTracker/TransientTrackingRecHit/interface/ProjectedRecHit2D.h"
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using namespace std;
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TrajectoryAtValidHit::TrajectoryAtValidHit( const TrajectoryMeasurement& tm,
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const TrackerGeometry* tracker,
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const Propagator& propagator,
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const uint mono)
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{
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theCombinedPredictedState = TrajectoryStateCombiner().combine( tm.forwardPredictedState(),
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tm.backwardPredictedState());
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if (!theCombinedPredictedState.isValid()) {
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cout << "found invalid combinedpredictedstate"<< endl;
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return;
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}
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theHit = tm.recHit();
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iidd = theHit->geographicalId().rawId();
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StripSubdetector strip=StripSubdetector(iidd);
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unsigned int subid=strip.subdetId();
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// xB and yB are for absolute borders on the trajectories included in the study, sigmaX sigmaY are
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// significance cuts on the distance from the detector surface
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float xB = 0.; float sigmaX = 5.0;
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float yB = 0.; float sigmaY = 5.0;
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float sigmaYBond = 0.;
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//set bounds for point to be within to be counted in the study
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if (subid == StripSubdetector::TOB) {
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sigmaYBond = 5.0;
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}
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const GeomDetUnit * monodet;
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// if module is from a double sided layer, write out info for either the
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// rphi surface (mono = 1) or the stereo surface (mono = 2)--not the matched hit surface
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if (( mono > 0 ) && isDoubleSided(iidd) ) {
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// find matched det id, that is the matched hit surface between the two sensors
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uint matched_iidd = iidd-(iidd & 0x3);
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DetId matched_id(matched_iidd);
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GluedGeomDet * gdet=(GluedGeomDet *)tracker->idToDet(matched_id);
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// get the sensor det indicated by mono
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if (mono == 1) monodet=gdet->stereoDet();
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else monodet=gdet->monoDet(); // this should only be mono == 2
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// set theCombinedPredictedState to be on the sensor surface, not the matched surface
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DetId mono_id = monodet->geographicalId();
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const Surface &surface = tracker->idToDet(mono_id)->surface();
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theCombinedPredictedState = propagator.propagate(theCombinedPredictedState,
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surface);
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if (!theCombinedPredictedState.isValid()) {
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cout << "found invalid combinedpredictedstate after propagation"<< endl;
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return;
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}
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//set module id to be mono det
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iidd = monodet->geographicalId().rawId();
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} else {
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monodet = (GeomDetUnit*)theHit->det();
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}
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locX = theCombinedPredictedState.localPosition().x();
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locY = theCombinedPredictedState.localPosition().y();
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locZ = theCombinedPredictedState.localPosition().z();
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locXError = sqrt(theCombinedPredictedState.localError().positionError().xx());
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locYError = sqrt(theCombinedPredictedState.localError().positionError().yy());
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locDxDz = theCombinedPredictedState.localParameters().vector()[1];
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locDyDz = theCombinedPredictedState.localParameters().vector()[2];
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globX = theCombinedPredictedState.globalPosition().x();
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globY = theCombinedPredictedState.globalPosition().y();
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globZ = theCombinedPredictedState.globalPosition().z();
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// this should never be a glued det, only rphi or stero
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//cout << "From TrajAtValidHit module " << iidd << " matched/stereo/rphi = " << ((iidd & 0x3)==0) << "/" << ((iidd & 0x3)==1) << "/" << ((iidd & 0x3)==2) << endl;
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// Restrict the bound regions for better understanding of the modul assignment.
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LocalPoint BoundedPoint;
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float xx, yy ,zz;
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// Insert the bounded values
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if (locX < 0. ) xx = min(locX - xB,locX - sigmaX*locXError);
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else xx = max(locX + xB, locX + sigmaX*locXError);
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if (locY < 0. ) yy = min(locY - yB,locY - sigmaY*locYError);
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else yy = max(locY + yB, locY + sigmaY*locYError);
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zz = theCombinedPredictedState.localPosition().z();
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BoundedPoint = LocalPoint(xx,yy,zz);
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if ( monodet->surface().bounds().inside(BoundedPoint) && abs(locY) > sigmaYBond*locYError ){
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acceptance = true;
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}
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else {
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// hit is within xB, yB from the edge of the detector, so throw it out
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acceptance = false;
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}
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}
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double TrajectoryAtValidHit::localX() const
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{
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return locX;
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}
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double TrajectoryAtValidHit::localY() const
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{
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return locY;
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}
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double TrajectoryAtValidHit::localZ() const
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{
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return locZ;
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}
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double TrajectoryAtValidHit::localErrorX() const
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{
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return locXError;
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}
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double TrajectoryAtValidHit::localErrorY() const
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{
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return locYError;
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}
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double TrajectoryAtValidHit::localDxDz() const {
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return locDxDz;
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}
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double TrajectoryAtValidHit::localDyDz() const {
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return locDyDz;
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}
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double TrajectoryAtValidHit::globalX() const
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{
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return globX;
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}
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double TrajectoryAtValidHit::globalY() const
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{
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return globY;
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}
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double TrajectoryAtValidHit::globalZ() const
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{
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return globZ;
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}
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uint TrajectoryAtValidHit::monodet_id() const
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{
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return iidd;
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}
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bool TrajectoryAtValidHit::withinAcceptance() const
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{
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return acceptance;
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}
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bool TrajectoryAtValidHit::isDoubleSided(uint iidd) const {
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StripSubdetector strip=StripSubdetector(iidd);
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unsigned int subid=strip.subdetId();
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uint layer = 0;
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if (subid == StripSubdetector::TIB) {
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TIBDetId tibid(iidd);
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layer = tibid.layer();
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if (layer == 1 || layer == 2) return true;
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else return false;
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}
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else if (subid == StripSubdetector::TOB) {
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TOBDetId tobid(iidd);
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layer = tobid.layer() + 4 ;
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if (layer == 5 || layer == 6) return true;
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else return false;
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}
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else if (subid == StripSubdetector::TID) {
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TIDDetId tidid(iidd);
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layer = tidid.ring() + 10;
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if (layer == 11 || layer == 12) return true;
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else return false;
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}
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else if (subid == StripSubdetector::TEC) {
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TECDetId tecid(iidd);
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layer = tecid.ring() + 13 ;
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if (layer == 14 || layer == 15 || layer == 18) return true;
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else return false;
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}
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else
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return false;
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}
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TrajectoryStateOnSurface TrajectoryAtValidHit::tsos() const {
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return theCombinedPredictedState;
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}
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