#include <CAHitTripletGenerator.h>

Inheritance diagram for CAHitTripletGenerator:

Classes
class	QuantityDependsPt

class	QuantityDependsPtEval

Public Types
typedef LayerHitMapCache	LayerCacheType

typedef OrderedHitSeeds	ResultType

Public Member Functions
	CAHitTripletGenerator (const edm::ParameterSet &cfg, edm::ConsumesCollector &&iC, bool needSeedingLayerSetsHits=true)

	CAHitTripletGenerator (const edm::ParameterSet &cfg, edm::ConsumesCollector &iC, bool needSeedingLayerSetsHits=true)

void	hitNtuplets (const IntermediateHitDoublets &regionDoublets, std::vector< OrderedHitSeeds > &result, const edm::EventSetup &es, const SeedingLayerSetsHits &layers)

virtual void	hitTriplets (const TrackingRegion &reg, OrderedHitTriplets &triplets, const edm::Event &ev, const edm::EventSetup &es)
	from base class More...

void	initEvent (const edm::Event &ev, const edm::EventSetup &es)

virtual	~CAHitTripletGenerator ()

Public Member Functions inherited from HitTripletGenerator
virtual void	clear () final

	HitTripletGenerator (unsigned int size=500)

	HitTripletGenerator (HitTripletGenerator const &other)

virtual void	hitTriplets (const TrackingRegion &reg, OrderedHitTriplets &prs, const edm::EventSetup &es)

virtual const OrderedHitTriplets &	run (const TrackingRegion &region, const edm::Event &ev, const edm::EventSetup &es) final

virtual	~HitTripletGenerator ()

Public Member Functions inherited from OrderedHitsGenerator
	OrderedHitsGenerator ()

virtual	~OrderedHitsGenerator ()

Static Public Member Functions
static void	fillDescriptions (edm::ParameterSetDescription &desc)

static const char *	fillDescriptionsLabel ()

Static Public Attributes
static unsigned int	minLayers = 3

Private Member Functions
void	hitTriplets (const TrackingRegion &reg, OrderedHitTriplets &result, std::vector< const HitDoublets * > &hitDoublets, CAGraph &g, const edm::EventSetup &es)

Private Attributes
const float	caHardPtCut = 0.f

const float	caPhiCut = 1.f

const float	caThetaCut = 0.00125f

const float	extraHitRPhitolerance

const QuantityDependsPt	maxChi2

std::unique_ptr< SeedComparitor >	theComparitor

LayerCacheType	theLayerCache

edm::EDGetTokenT< SeedingLayerSetsHits >	theSeedingLayerToken

const bool	useBendingCorrection

Additional Inherited Members
Public Attributes inherited from OrderedHitsGenerator
unsigned int	theMaxElement

Detailed Description

Definition at line 32 of file CAHitTripletGenerator.h.

Member Typedef Documentation

typedef LayerHitMapCache CAHitTripletGenerator::LayerCacheType

Definition at line 34 of file CAHitTripletGenerator.h.

typedef OrderedHitSeeds CAHitTripletGenerator::ResultType

Definition at line 37 of file CAHitTripletGenerator.h.

Constructor & Destructor Documentation

CAHitTripletGenerator::CAHitTripletGenerator	(	const edm::ParameterSet &	cfg,
		edm::ConsumesCollector &&	iC,
		bool	needSeedingLayerSetsHits = `true`
	)

inline

Definition at line 40 of file CAHitTripletGenerator.h.

References CAHitTripletGenerator_cfi::CAHitTripletGenerator, and looper::cfg.

40 : CAHitTripletGenerator(cfg, iC, needSeedingLayerSetsHits) {}

CAHitTripletGenerator::CAHitTripletGenerator

CAHitTripletGenerator(const edm::ParameterSet &cfg, edm::ConsumesCollector &&iC, bool needSeedingLayerSetsHits=true)

Definition: CAHitTripletGenerator.h:40

CAHitTripletGenerator::CAHitTripletGenerator	(	const edm::ParameterSet &	cfg,
		edm::ConsumesCollector &	iC,
		bool	needSeedingLayerSetsHits = `true`
	)

Definition at line 36 of file CAHitTripletGenerator.cc.

References edm::ConsumesCollector::consumes(), beamerCreator::create(), edm::ParameterSet::exists(), reco::get(), edm::ParameterSet::getParameter(), AlCaHLTBitMon_QueryRunRegistry::string, theComparitor, and theSeedingLayerToken.

                                                                             :
         extraHitRPhitolerance(cfg.getParameter<double>("extraHitRPhitolerance")), //extra window in ThirdHitPredictionFromCircle range (divide by R to get phi)
         maxChi2(cfg.getParameter < edm::ParameterSet > ("maxChi2")),
         useBendingCorrection(cfg.getParameter<bool>("useBendingCorrection")),
         caThetaCut( cfg.getParameter<double>("CAThetaCut")),
         caPhiCut(cfg.getParameter<double>("CAPhiCut")),
         caHardPtCut(cfg.getParameter<double>("CAHardPtCut"))
 {
 
     if(needSeedingLayerSetsHits)
       theSeedingLayerToken = iC.consumes<SeedingLayerSetsHits>(cfg.getParameter<edm::InputTag>("SeedingLayers"));
 
     if (cfg.exists("SeedComparitorPSet"))
     {
         edm::ParameterSet comparitorPSet = cfg.getParameter < edm::ParameterSet
                 > ("SeedComparitorPSet");
         std::string comparitorName = comparitorPSet.getParameter < std::string
                 > ("ComponentName");
         if (comparitorName != "none")
         {
             theComparitor.reset(
                     SeedComparitorFactory::get()->create(comparitorName,
                             comparitorPSet, iC));
         }
     }
 }

CAHitTripletGenerator::~CAHitTripletGenerator ( )

virtual

Definition at line 65 of file CAHitTripletGenerator.cc.

66 {

67 }

Member Function Documentation

void CAHitTripletGenerator::fillDescriptions ( edm::ParameterSetDescription & desc )

static

Definition at line 69 of file CAHitTripletGenerator.cc.

References edm::ParameterSetDescription::add(), and AlCaHLTBitMon_QueryRunRegistry::string.

                                                                              {
   desc.add<double>("extraHitRPhitolerance", 0.06);
   desc.add<bool>("useBendingCorrection", false);
   desc.add<double>("CAThetaCut", 0.00125);
   desc.add<double>("CAPhiCut", 0.1);
   desc.add<double>("CAHardPtCut", 0);
 
   edm::ParameterSetDescription descMaxChi2;
   descMaxChi2.add<double>("pt1", 0.8);
   descMaxChi2.add<double>("pt2", 2);
   descMaxChi2.add<double>("value1", 50);
   descMaxChi2.add<double>("value2", 8);
   descMaxChi2.add<bool>("enabled", true);
   desc.add<edm::ParameterSetDescription>("maxChi2", descMaxChi2);
 
   edm::ParameterSetDescription descComparitor;
   descComparitor.add<std::string>("ComponentName", "none");
   descComparitor.setAllowAnything(); // until we have moved SeedComparitor too to EDProducers
   desc.add<edm::ParameterSetDescription>("SeedComparitorPSet", descComparitor);
 }

static const char* CAHitTripletGenerator::fillDescriptionsLabel ( )

inlinestatic

Definition at line 46 of file CAHitTripletGenerator.h.

References ev, g, LayerTriplets::layers(), mps_fire::result, and PixelTracks_cff::triplets.

46 { return "caHitTriplet"; }

void CAHitTripletGenerator::hitNtuplets	(	const IntermediateHitDoublets &	regionDoublets,
		std::vector< OrderedHitSeeds > &	result,
		const edm::EventSetup &	es,
		const SeedingLayerSetsHits &	layers
	)

Definition at line 231 of file CAHitTripletGenerator.cc.

References funct::abs(), caHardPtCut, caPhiCut, caThetaCut, HiEvtPlane_cfi::chi2, RZLine::chi2(), ThirdHitPredictionFromCircle::curvature(), PixelRecoUtilities::curvature(), GlobalErrorBase< T, ErrorWeightType >::czz(), relativeConstraints::error, CAHitTripletGenerator::QuantityDependsPt::evaluator(), extraHitRPhitolerance, runEdmFileComparison::found, g, mps_fire::i, hcalTTPDigis_cfi::id, SeedingLayerSetsHits::SeedingLayer::index(), diffTreeTool::index, SurfaceOrientation::inner, IntermediateHitDoublets::LayerPairHitDoublets::innerLayerIndex(), PixelRecoUtilities::inversePt(), gedGsfElectrons_cfi::isBarrel, edm::isNotFinite(), geometryCSVtoXML::line, maxChi2, TrackingRegion::origin(), SurfaceOrientation::outer, IntermediateHitDoublets::LayerPairHitDoublets::outerLayerIndex(), PixelSubdetector::PixelBarrel, point, EnergyCorrector::pt, GlobalErrorBase< T, ErrorWeightType >::rerr(), funct::sqr(), mathSSE::sqrt(), theComparitor, useBendingCorrection, CAHitTripletGenerator::QuantityDependsPtEval::value(), x, PV3DBase< T, PVType, FrameType >::x(), y, PV3DBase< T, PVType, FrameType >::y(), and PV3DBase< T, PVType, FrameType >::z().

                                                                             {
   CAGraph g;
 
   std::vector<const HitDoublets *> hitDoublets;
 
   auto layerPairEqual = [](const IntermediateHitDoublets::LayerPairHitDoublets& pair,
                            SeedingLayerSetsHits::LayerIndex inner,
                            SeedingLayerSetsHits::LayerIndex outer) {
     return pair.innerLayerIndex() == inner && pair.outerLayerIndex() == outer;
   };    
   std::vector<CACell::CAntuplet> foundTriplets;
 
   int index =0;
   for(const auto& regionLayerPairs: regionDoublets) {
 
     const TrackingRegion& region = regionLayerPairs.region();
     hitDoublets.clear(); 
     foundTriplets.clear();
  
     if (index == 0){   
         createGraphStructure(layers, g);
     }
     else{  
         clearGraphStructure(layers, g);
     }
     fillGraph(layers, g, hitDoublets,
                 [&](const SeedingLayerSetsHits::SeedingLayer& inner,
                     const SeedingLayerSetsHits::SeedingLayer& outer,
                     std::vector<const HitDoublets *>& hitDoublets) {
           using namespace std::placeholders;
           auto found = std::find_if(regionLayerPairs.begin(), regionLayerPairs.end(),
                                     std::bind(layerPairEqual, _1, inner.index(), outer.index()));
           if(found != regionLayerPairs.end()) {
             hitDoublets.emplace_back(&(found->doublets()));
             return true;
           }
           return false;
     });
     CellularAutomaton ca(g);
     ca.findTriplets(hitDoublets, foundTriplets, region, caThetaCut, caPhiCut,
                         caHardPtCut);
 
     auto & allCells = ca.getAllCells();
 
     const QuantityDependsPtEval maxChi2Eval = maxChi2.evaluator(es);
 
     // re-used thoughout, need to be vectors because of RZLine interface
     std::array<float, 3> bc_r;
     std::array<float, 3> bc_z;
     std::array<float, 3> bc_errZ2;
     std::array<GlobalPoint, 3> gps;
     std::array<GlobalError, 3> ges;
     std::array<bool, 3> barrels;
     
     unsigned int numberOfFoundTriplets = foundTriplets.size();
     for (unsigned int tripletId = 0; tripletId < numberOfFoundTriplets;
             ++tripletId)
     {
 
         OrderedHitTriplet tmpTriplet(allCells[foundTriplets[tripletId][0]].getInnerHit(),
                 allCells[foundTriplets[tripletId][0]].getOuterHit(),
                 allCells[foundTriplets[tripletId][1]].getOuterHit());
 
         auto isBarrel = [](const unsigned id) -> bool
         {
             return id == PixelSubdetector::PixelBarrel;
         };
         for (unsigned int i = 0; i < 2; ++i)
         {
             auto const& ahit = allCells[foundTriplets[tripletId][i]].getInnerHit();
             gps[i] = ahit->globalPosition();
             ges[i] = ahit->globalPositionError();
             barrels[i] = isBarrel(ahit->geographicalId().subdetId());
         }
 
         auto const& ahit = allCells[foundTriplets[tripletId][1]].getOuterHit();
         gps[2] = ahit->globalPosition();
         ges[2] = ahit->globalPositionError();
         barrels[2] = isBarrel(ahit->geographicalId().subdetId());
 
         PixelRecoLineRZ line(gps[0], gps[2]);
         ThirdHitPredictionFromCircle predictionRPhi(gps[0], gps[2],
                 extraHitRPhitolerance);
         const float curvature = predictionRPhi.curvature(
                 ThirdHitPredictionFromCircle::Vector2D(gps[1].x(), gps[1].y()));
         const float abscurv = std::abs(curvature);
         const float thisMaxChi2 = maxChi2Eval.value(abscurv);
         float chi2 = std::numeric_limits<float>::quiet_NaN();
         // TODO: Do we have any use case to not use bending correction?
 
         if (useBendingCorrection)
         {
             // Following PixelFitterByConformalMappingAndLine
             const float simpleCot = (gps.back().z() - gps.front().z())
                     / (gps.back().perp() - gps.front().perp());
             const float pt = 1.f / PixelRecoUtilities::inversePt(abscurv, es);
             for (int i = 0; i < 3; ++i)
             {
                 const GlobalPoint & point = gps[i];
                 const GlobalError & error = ges[i];
                 bc_r[i] = sqrt(
                         sqr(point.x() - region.origin().x())
                                 + sqr(point.y() - region.origin().y()));
                 bc_r[i] += pixelrecoutilities::LongitudinalBendingCorrection(pt,
                         es)(bc_r[i]);
                 bc_z[i] = point.z() - region.origin().z();
                 bc_errZ2[i] =
                         (barrels[i]) ?
                                 error.czz() :
                                 error.rerr(point) * sqr(simpleCot);
             }
             RZLine rzLine(bc_r, bc_z, bc_errZ2, RZLine::ErrZ2_tag());
             chi2 = rzLine.chi2();
         }
         else
         {
             RZLine rzLine(gps, ges, barrels);
             chi2 = rzLine.chi2();
         }
 
         if (edm::isNotFinite(chi2) || chi2 > thisMaxChi2)
         {
             continue;
 
         }
 
         if (theComparitor)
         {
             if (!theComparitor->compatible(tmpTriplet))
             {
 
                 continue;
             }
         }
         result[index].emplace_back(tmpTriplet);
 
     }
     index++;
     }
 }

void CAHitTripletGenerator::hitTriplets	(	const TrackingRegion &	reg,
		OrderedHitTriplets &	triplets,
		const edm::Event &	ev,
		const edm::EventSetup &	es
	)

virtual

from base class

Implements HitTripletGenerator.

Definition at line 193 of file CAHitTripletGenerator.cc.

References LayerHitMapCache::clear(), HitPairGeneratorFromLayerPair::doublets(), MillePedeFileConverter_cfg::e, g, edm::Event::getByToken(), SurfaceOrientation::inner, LayerTriplets::layers(), SeedingLayerSetsHits::numberOfLayersInSet(), SurfaceOrientation::outer, theComparitor, theLayerCache, and theSeedingLayerToken.

 {
     edm::Handle<SeedingLayerSetsHits> hlayers;
     ev.getByToken(theSeedingLayerToken, hlayers);
     const SeedingLayerSetsHits& layers = *hlayers;
     if (layers.numberOfLayersInSet() != 3)
         throw cms::Exception("Configuration")
                 << "CAHitTripletGenerator expects SeedingLayerSetsHits::numberOfLayersInSet() to be 3, got "
                 << layers.numberOfLayersInSet();
 
     CAGraph g;
 
     std::vector<HitDoublets> hitDoublets;
 
 
 
     HitPairGeneratorFromLayerPair thePairGenerator(0, 1, &theLayerCache);
     createGraphStructure(layers,g);
         fillGraph(layers, g, hitDoublets, [&](const SeedingLayerSetsHits::SeedingLayer& inner, const SeedingLayerSetsHits::SeedingLayer& outer, std::vector<HitDoublets>& hitDoublets) {
             hitDoublets.emplace_back(thePairGenerator.doublets(region, ev, es, inner, outer));
             return true;
           });
 
 
     if (theComparitor)
         theComparitor->init(ev, es);
 
         std::vector<const HitDoublets *> hitDoubletsPtr;
         hitDoubletsPtr.reserve(hitDoublets.size());
         for(const auto& e: hitDoublets)
           hitDoubletsPtr.emplace_back(&e);
 
         hitTriplets(region, result, hitDoubletsPtr, g, es);
         theLayerCache.clear();
 }

void CAHitTripletGenerator::hitTriplets	(	const TrackingRegion &	reg,
		OrderedHitTriplets &	result,
		std::vector< const HitDoublets * > &	hitDoublets,
		CAGraph &	g,
		const edm::EventSetup &	es
	)

private

Definition at line 375 of file CAHitTripletGenerator.cc.

References funct::abs(), caHardPtCut, caPhiCut, caThetaCut, HiEvtPlane_cfi::chi2, RZLine::chi2(), LayerHitMapCache::clear(), ThirdHitPredictionFromCircle::curvature(), PixelRecoUtilities::curvature(), GlobalErrorBase< T, ErrorWeightType >::czz(), relativeConstraints::error, CAHitTripletGenerator::QuantityDependsPt::evaluator(), extraHitRPhitolerance, CellularAutomaton::findTriplets(), CellularAutomaton::getAllCells(), mps_fire::i, hcalTTPDigis_cfi::id, PixelRecoUtilities::inversePt(), gedGsfElectrons_cfi::isBarrel, edm::isNotFinite(), geometryCSVtoXML::line, maxChi2, TrackingRegion::origin(), PixelSubdetector::PixelBarrel, point, EnergyCorrector::pt, GlobalErrorBase< T, ErrorWeightType >::rerr(), funct::sqr(), mathSSE::sqrt(), theComparitor, theLayerCache, useBendingCorrection, CAHitTripletGenerator::QuantityDependsPtEval::value(), x, PV3DBase< T, PVType, FrameType >::x(), y, PV3DBase< T, PVType, FrameType >::y(), and PV3DBase< T, PVType, FrameType >::z().

                                                                  {
     std::vector<CACell::CAntuplet> foundTriplets;
     CellularAutomaton ca(g);
 
     ca.findTriplets(hitDoublets, foundTriplets, region, caThetaCut, caPhiCut,
             caHardPtCut);
     
     auto & allCells = ca.getAllCells();
 
     unsigned int numberOfFoundTriplets = foundTriplets.size();
 
     const QuantityDependsPtEval maxChi2Eval = maxChi2.evaluator(es);
 
     // re-used thoughout, need to be vectors because of RZLine interface
     std::array<float, 3> bc_r;
     std::array<float, 3> bc_z;
     std::array<float, 3> bc_errZ2;
     std::array < GlobalPoint, 3 > gps;
     std::array < GlobalError, 3 > ges;
     std::array<bool, 3> barrels;
 
     for (unsigned int tripletId = 0; tripletId < numberOfFoundTriplets;
             ++tripletId)
     {
 
         OrderedHitTriplet tmpTriplet(allCells[foundTriplets[tripletId][0]].getInnerHit(),
                          allCells[foundTriplets[tripletId][0]].getOuterHit(),
                          allCells[foundTriplets[tripletId][1]].getOuterHit());
 
         auto isBarrel = [](const unsigned id) -> bool
         {
             return id == PixelSubdetector::PixelBarrel;
         };
         for (unsigned int i = 0; i < 2; ++i)
         {
             auto const& ahit = allCells[foundTriplets[tripletId][i]].getInnerHit();
             gps[i] = ahit->globalPosition();
             ges[i] = ahit->globalPositionError();
             barrels[i] = isBarrel(ahit->geographicalId().subdetId());
         }
 
         auto const& ahit = allCells[foundTriplets[tripletId][1]].getOuterHit();
         gps[2] = ahit->globalPosition();
         ges[2] = ahit->globalPositionError();
         barrels[2] = isBarrel(ahit->geographicalId().subdetId());
 
         PixelRecoLineRZ line(gps[0], gps[2]);
         ThirdHitPredictionFromCircle predictionRPhi(gps[0], gps[2],
                 extraHitRPhitolerance);
         const float curvature = predictionRPhi.curvature(
                 ThirdHitPredictionFromCircle::Vector2D(gps[1].x(), gps[1].y()));
         const float abscurv = std::abs(curvature);
         const float thisMaxChi2 = maxChi2Eval.value(abscurv);
         float chi2 = std::numeric_limits<float>::quiet_NaN();
         // TODO: Do we have any use case to not use bending correction?
         if (useBendingCorrection)
         {
             // Following PixelFitterByConformalMappingAndLine
             const float simpleCot = (gps.back().z() - gps.front().z())
                     / (gps.back().perp() - gps.front().perp());
             const float pt = 1.f / PixelRecoUtilities::inversePt(abscurv, es);
             for (int i = 0; i < 3; ++i)
             {
                 const GlobalPoint & point = gps[i];
                 const GlobalError & error = ges[i];
                 bc_r[i] = sqrt(
                         sqr(point.x() - region.origin().x())
                                 + sqr(point.y() - region.origin().y()));
                 bc_r[i] += pixelrecoutilities::LongitudinalBendingCorrection(pt,
                         es)(bc_r[i]);
                 bc_z[i] = point.z() - region.origin().z();
                 bc_errZ2[i] =
                         (barrels[i]) ?
                                 error.czz() :
                                 error.rerr(point) * sqr(simpleCot);
             }
             RZLine rzLine(bc_r, bc_z, bc_errZ2, RZLine::ErrZ2_tag());
             chi2 = rzLine.chi2();
         }
         else
         {
             RZLine rzLine(gps, ges, barrels);
             chi2 = rzLine.chi2();
         }
 
         if (edm::isNotFinite(chi2) || chi2 > thisMaxChi2)
         {
             continue;
 
         }
 
         if (theComparitor)
         {
             if (!theComparitor->compatible(tmpTriplet))
             {
 
                 continue;
             }
         }
 
         result.push_back(tmpTriplet);
 
     }
     theLayerCache.clear();
 }

void CAHitTripletGenerator::initEvent	(	const edm::Event &	ev,
		const edm::EventSetup &	es
	)

Definition at line 90 of file CAHitTripletGenerator.cc.

References spr::find(), g, hfClusterShapes_cfi::hits, mps_fire::i, LayerTriplets::layers(), dataset::name, SeedingLayerSetsHits::size(), findQualityFiles::size, theComparitor, CAGraph::theLayerPairs, CAGraph::theLayers, CAGraph::theRootLayers, findQualityFiles::v, and egmGedGsfElectronPFIsolation_cff::vertexIndex.

                                                                                  {
   if (theComparitor) theComparitor->init(ev, es);
 }

Member Data Documentation

const float CAHitTripletGenerator::caHardPtCut = 0.f

private

Definition at line 143 of file CAHitTripletGenerator.h.

Referenced by hitNtuplets(), and hitTriplets().

const float CAHitTripletGenerator::caPhiCut = 1.f

private

Definition at line 142 of file CAHitTripletGenerator.h.

Referenced by hitNtuplets(), and hitTriplets().

const float CAHitTripletGenerator::caThetaCut = 0.00125f

private

Definition at line 141 of file CAHitTripletGenerator.h.

Referenced by hitNtuplets(), and hitTriplets().

const float CAHitTripletGenerator::extraHitRPhitolerance

private

Definition at line 136 of file CAHitTripletGenerator.h.

Referenced by hitNtuplets(), and hitTriplets().

const QuantityDependsPt CAHitTripletGenerator::maxChi2

private

Definition at line 138 of file CAHitTripletGenerator.h.

Referenced by hitNtuplets(), and hitTriplets().

unsigned int CAHitTripletGenerator::minLayers = 3

static

Definition at line 36 of file CAHitTripletGenerator.h.

std::unique_ptr<SeedComparitor> CAHitTripletGenerator::theComparitor

private

Definition at line 70 of file CAHitTripletGenerator.h.

Referenced by CAHitTripletGenerator(), hitNtuplets(), hitTriplets(), and initEvent().

LayerCacheType CAHitTripletGenerator::theLayerCache

private

Definition at line 68 of file CAHitTripletGenerator.h.

Referenced by hitTriplets().

edm::EDGetTokenT<SeedingLayerSetsHits> CAHitTripletGenerator::theSeedingLayerToken

private

Definition at line 66 of file CAHitTripletGenerator.h.

Referenced by CAHitTripletGenerator(), and hitTriplets().

const bool CAHitTripletGenerator::useBendingCorrection

private

Definition at line 139 of file CAHitTripletGenerator.h.

Referenced by hitNtuplets(), and hitTriplets().

Classes

Public Types

Public Member Functions

Static Public Member Functions

Static Public Attributes

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation