#include <MTDTrayBarrelLayer.h>

Inheritance diagram for MTDTrayBarrelLayer:

Public Member Functions
const std::vector< const GeomDet * > &	basicComponents () const override

std::vector< DetWithState >	compatibleDets (const TrajectoryStateOnSurface &startingState, const Propagator &prop, const MeasurementEstimator &est) const override

const std::vector< const GeometricSearchDet * > &	components () const override

std::vector< DetGroup >	groupedCompatibleDets (const TrajectoryStateOnSurface &startingState, const Propagator &prop, const MeasurementEstimator &est) const override

	MTDTrayBarrelLayer (std::vector< const DetRod * > &rods)
	Constructor, takes ownership of pointers. More...

virtual const std::vector< const DetRod * > &	rods () const
	Return the vector of rods. More...

SubDetector	subDetector () const override

	~MTDTrayBarrelLayer () override

Private Member Functions
float	xError (const TrajectoryStateOnSurface &tsos, const MeasurementEstimator &est) const

Private Attributes
bool	isOverlapping

std::vector< const GeomDet * >	theBasicComps

BaseBinFinder< double > *	theBinFinder

std::vector< const GeometricSearchDet * >	theComponents

std::vector< const DetRod * >	theRods

Detailed Description

A cylinder composed of half-trays. Represents Barrel Timing Layer.

Author: L. Gray - FNAL

Definition at line 17 of file MTDTrayBarrelLayer.h.

Constructor & Destructor Documentation

◆ MTDTrayBarrelLayer()

MTDTrayBarrelLayer::MTDTrayBarrelLayer ( std::vector< const DetRod * > & rods )

Constructor, takes ownership of pointers.

Definition at line 27 of file MTDTrayBarrelLayer.cc.

     : RodBarrelLayer(false), theRods(rods), theBinFinder(nullptr), isOverlapping(false) {
   // Sort rods in phi
   precomputed_value_sort(theRods.begin(), theRods.end(), geomsort::ExtractPhi<DetRod, float>());
  
   theComponents.reserve(theRods.size());
   std::copy(theRods.begin(), theRods.end(), back_inserter(theComponents));
  
   // Cache chamber pointers (the basic components_)
   for (const auto& it : rods) {
     vector<const GeomDet*> tmp2 = it->basicComponents();
     theBasicComps.insert(theBasicComps.end(), tmp2.begin(), tmp2.end());
   }
  
   // Initialize the binfinder
   PhiBorderFinder bf(theRods);
   isOverlapping = bf.isPhiOverlapping();
  
   if (bf.isPhiPeriodic()) {
     theBinFinder = new PeriodicBinFinderInPhi<double>(theRods.front()->position().phi(), theRods.size());
   } else {
     theBinFinder = new GeneralBinFinderInPhi<double>(bf);
   }
  
   // Compute the layer's surface and bounds (from the components())
   BarrelDetLayer::initialize();
  
   LogTrace("MTDDetLayers") << "Constructing MTDTrayBarrelLayer: " << basicComponents().size() << " Dets "
                            << theRods.size() << " Rods "
                            << " R: " << specificSurface().radius() << " Per.: " << bf.isPhiPeriodic()
                            << " Overl.: " << isOverlapping;
 }

References basicComponents(), filterCSVwithJSON::copy, BarrelDetLayer::initialize(), isOverlapping, PhiBorderFinder::isPhiOverlapping(), PhiBorderFinder::isPhiPeriodic(), LogTrace, precomputed_value_sort(), rods(), theBasicComps, theBinFinder, theComponents, and theRods.

◆ ~MTDTrayBarrelLayer()

MTDTrayBarrelLayer::~MTDTrayBarrelLayer ( )

override

Definition at line 60 of file MTDTrayBarrelLayer.cc.

                                         {
   delete theBinFinder;
   for (auto& i : theRods) {
     delete i;
   }
 }

References mps_fire::i, theBinFinder, and theRods.

Member Function Documentation

◆ basicComponents()

const std::vector<const GeomDet*>& MTDTrayBarrelLayer::basicComponents ( ) const

inlineoverride

Definition at line 26 of file MTDTrayBarrelLayer.h.

26 { return theBasicComps; }

References theBasicComps.

Referenced by MTDTrayBarrelLayer().

◆ compatibleDets()

vector< GeometricSearchDet::DetWithState > MTDTrayBarrelLayer::compatibleDets	(	const TrajectoryStateOnSurface &	startingState,
		const Propagator &	prop,
		const MeasurementEstimator &	est
	)		const

override

Definition at line 67 of file MTDTrayBarrelLayer.cc.

                                                                                                                   {
   vector<DetWithState> result;
  
   LogTrace("MTDDetLayers") << "MTDTrayBarrelLayer::compatibleDets, Cyl R: " << specificSurface().radius()
                            << " TSOS at R= " << startingState.globalPosition().perp()
                            << " phi= " << startingState.globalPosition().phi();
  
   pair<bool, TrajectoryStateOnSurface> compat = compatible(startingState, prop, est);
   if (!compat.first) {
     LogTrace("MTDDetLayers") << "     MTDTrayBarrelLayer::compatibleDets: not compatible"
                              << " (should not have been selected!)";
     return vector<DetWithState>();
   }
  
   TrajectoryStateOnSurface& tsos = compat.second;
  
   LogTrace("MTDDetLayers") << "     MTDTrayBarrelLayer::compatibleDets, reached layer at: " << tsos.globalPosition()
                            << " R = " << tsos.globalPosition().perp() << " phi = " << tsos.globalPosition().phi();
  
   int closest = theBinFinder->binIndex(tsos.globalPosition().phi());
   const DetRod* closestRod = theRods[closest];
  
   // Check the closest rod
   LogTrace("MTDDetLayers") << "     MTDTrayBarrelLayer::compatibleDets, closestRod: " << closest
                            << " phi : " << closestRod->surface().position().phi()
                            << " FTS phi: " << tsos.globalPosition().phi();
  
   result = closestRod->compatibleDets(tsos, prop, est);
  
 #ifdef EDM_ML_DEBUG
   int nclosest = result.size();  // Debug counter
 #endif
  
   bool checknext = false;
   double dist;
  
   if (!result.empty()) {
     // Check if the track go outside closest rod, then look for closest.
     TrajectoryStateOnSurface& predictedState = result.front().second;
     float xErr = xError(predictedState, est);
     float halfWid = closestRod->surface().bounds().width() / 2.;
     dist = predictedState.localPosition().x();
  
     // If the layer is overlapping, additionally reduce halfWid by 10%
     // to account for overlap.
     // FIXME: should we account for the real amount of overlap?
     if (isOverlapping)
       halfWid *= 0.9;
  
     if (fabs(dist) + xErr > halfWid) {
       checknext = true;
     }
   } else {  // Rod is not compatible
     //FIXME: Usually next cannot be either. Implement proper logic.
     // (in general at least one rod should be when this method is called by
     // compatibleDets() which calls compatible())
     checknext = true;
  
     // Look for the next-to closest in phi.
     // Note Geom::Phi, subtraction is pi-border-safe
     if (tsos.globalPosition().phi() - closestRod->surface().position().phi() > 0.) {
       dist = -1.;
     } else {
       dist = +1.;
     }
  
     LogTrace("MTDDetLayers") << "     MTDTrayBarrelLayer::fastCompatibleDets, none on closest rod!";
   }
  
   if (checknext) {
     int next;
     if (dist < 0.)
       next = closest + 1;
     else
       next = closest - 1;
  
     next = theBinFinder->binIndex(next);  // Bin Periodicity
     const DetRod* nextRod = theRods[next];
  
     LogTrace("MTDDetLayers") << "     MTDTrayBarrelLayer::fastCompatibleDets, next-to closest"
                              << " rod: " << next << " dist " << dist << " phi : " << nextRod->surface().position().phi()
                              << " FTS phi: " << tsos.globalPosition().phi();
  
     vector<DetWithState> nextRodDets = nextRod->compatibleDets(tsos, prop, est);
     result.insert(result.end(), nextRodDets.begin(), nextRodDets.end());
   }
  
 #ifdef EDM_ML_DEBUG
   LogTrace("MTDDetLayers") << "     MTDTrayBarrelLayer::fastCompatibleDets: found: " << result.size()
                            << " on closest: " << nclosest << " # checked rods: " << 1 + int(checknext);
 #endif
  
   return result;
 }

References BaseBinFinder< T >::binIndex(), Surface::bounds(), GeometricSearchDet::compatibleDets(), TrajectoryStateOnSurface::globalPosition(), createfilelist::int, isOverlapping, TrajectoryStateOnSurface::localPosition(), LogTrace, GetRecoTauVFromDQM_MC_cff::next, PV3DBase< T, PVType, FrameType >::perp(), PV3DBase< T, PVType, FrameType >::phi(), GloballyPositioned< T >::position(), mps_fire::result, DetRod::surface(), theBinFinder, theRods, Bounds::width(), PV3DBase< T, PVType, FrameType >::x(), and xError().

◆ components()

const vector< const GeometricSearchDet * > & MTDTrayBarrelLayer::components ( ) const

override

Definition at line 173 of file MTDTrayBarrelLayer.cc.

173 { return theComponents; }

References theComponents.

◆ groupedCompatibleDets()

vector< DetGroup > MTDTrayBarrelLayer::groupedCompatibleDets	(	const TrajectoryStateOnSurface &	startingState,
		const Propagator &	prop,
		const MeasurementEstimator &	est
	)		const

override

Definition at line 163 of file MTDTrayBarrelLayer.cc.

                                                                                                   {
   // FIXME should return only 1 group
   edm::LogError("MTDDetLayers") << "dummy implementation of MTDTrayBarrelLayer::groupedCompatibleDets()";
   return vector<DetGroup>();
 }

◆ rods()

virtual const std::vector<const DetRod*>& MTDTrayBarrelLayer::rods ( ) const

inlinevirtual

Return the vector of rods.

Definition at line 44 of file MTDTrayBarrelLayer.h.

44 { return theRods; }

References theRods.

Referenced by MTDTrayBarrelLayer().

◆ subDetector()

GeomDetEnumerators::SubDetector MTDTrayBarrelLayer::subDetector ( ) const

override

Definition at line 171 of file MTDTrayBarrelLayer.cc.

171 { return theBasicComps.front()->subDetector(); }

References theBasicComps.

◆ xError()

float MTDTrayBarrelLayer::xError	(	const TrajectoryStateOnSurface &	tsos,
		const MeasurementEstimator &	est
	)		const

private

Definition at line 175 of file MTDTrayBarrelLayer.cc.

                                                                                                             {
   const float nSigmas = 3.f;
   if (tsos.hasError()) {
     return nSigmas * sqrt(tsos.localError().positionError().xx());
   } else
     return nSigmas * 0.5;
 }