Acts::VectorHelpers Namespace Reference

Namespaces
namespace	detail

Functions
template<typename Derived >
double	phi (const Eigen::MatrixBase< Derived > &v) noexcept
template<typename T , std::enable_if_t< detail::has_phi_method< T >::value, int > = 0>
double	phi (const T &v) noexcept
template<typename Derived >
double	perp (const Eigen::MatrixBase< Derived > &v) noexcept
template<typename Derived >
double	theta (const Eigen::MatrixBase< Derived > &v) noexcept
template<typename Derived >
double	eta (const Eigen::MatrixBase< Derived > &v) noexcept
std::array< ActsScalar, 5 >	evaluateTrigonomics (const Vector3 &direction)
	Fast evaluation of trigonomic functions.
double	cast (const Vector3 &position, BinningValue bval)
ActsMatrix< 3, 3 >	cross (const ActsMatrix< 3, 3 > &m, const Vector3 &v)
	Calculates column-wise cross products of a matrix and a vector and stores the result column-wise in a matrix.
auto	position (const Vector4 &pos4)
	Access the three-position components in a four-position vector.
auto	position (const FreeVector &params)
	Access the three-position components in a free parameters vector.
template<typename vector3_t >
auto	makeVector4 (const Eigen::MatrixBase< vector3_t > &vec3, typename vector3_t::Scalar w) -> Eigen::Matrix< typename vector3_t::Scalar, 4, 1 >
	Construct a four-vector from a three-vector and scalar fourth component.
std::pair< double, double >	incidentAngles (const Acts::Vector3 &direction, const Acts::RotationMatrix3 &globalToLocal)

Function Documentation

double Acts::VectorHelpers::cast ( const Vector3 &  position, BinningValue  bval  )

inline

Helper method to extract the binning value from a 3D vector.

For this method a 3D vector is required to guarantee all potential binning values.

Definition at line 153 of file VectorHelpers.hpp.

View newest version in sPHENIX GitHub at line 153 of file VectorHelpers.hpp

References assert, Acts::binEta, Acts::binH, Acts::binMag, Acts::binPhi, Acts::binR, Acts::binRPhi, Acts::binX, Acts::binY, Acts::binZ, eta(), perp(), phi(), and theta().

Referenced by Acts::GeometryObject::binningPositionValue(), Acts::Extent::extend(), Acts::Experimental::MultiLayerSurfacesUpdatorImpl< grid_t, path_generator >::fillCasts(), Acts::Experimental::KdtSurfaces< kDIM, bSize, reference_generator >::fillCasts(), Acts::Experimental::IndexedUpdatorImpl< VariableBoundIndexGrid1, DetectorVolumesCollection, DetectorVolumeFiller >::fillCasts(), Acts::TGeoParser::select(), and Acts::PortalJsonConverter::toJsonDetray().

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ActsMatrix<3, 3> Acts::VectorHelpers::cross ( const ActsMatrix< 3, 3 > &  m, const Vector3 &  v  )

inline

Calculates column-wise cross products of a matrix and a vector and stores the result column-wise in a matrix.

Parameters

[in]	m	Matrix that will be used for cross products
[in]	v	Vector for cross products

Returns

Constructed matrix

Definition at line 185 of file VectorHelpers.hpp.

View newest version in sPHENIX GitHub at line 185 of file VectorHelpers.hpp

References physmon_track_finding_ttbar::r.

Referenced by Acts::Test::BOOST_AUTO_TEST_CASE(), Acts::LineSurface::boundToFreeJacobian(), Acts::Frustum< value_t, DIM, SIDES >::draw(), Acts::SingleSeedVertexFinder< spacepoint_t >::findClosestPointFromRays(), PHHepMCGenHelper::HepMC2Lab_boost_rotation_translation(), Acts::detail::GenericDefaultExtension< scalar_t >::k(), Acts::detail::GenericDenseEnvironmentExtension< scalar_t >::k(), ActsAlignmentStates::makeGlobalDerivatives(), SvtxVertex_v2::set_beam_crossing(), SvtxTrack_v3::set_crossing(), SvtxTrack_v4::set_crossing(), SvtxTrackSeed_v2::set_crossing_estimate(), Acts::Frustum< value_t, DIM, SIDES >::svg(), Acts::detail::GenericDefaultExtension< scalar_t >::transportMatrix(), and Acts::detail::GenericDenseEnvironmentExtension< scalar_t >::transportMatrix().

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template<typename Derived >

double Acts::VectorHelpers::eta ( const Eigen::MatrixBase< Derived > &  v )

noexcept

Calculate the pseudorapidity for a vector.

Template Parameters

Derived

Eigen derived concrete type

Parameters

v	Any vector like Eigen type, static or dynamic

Note

Will static assert that the number of rows of v is at least 3, or in case of dynamic size, will abort execution if that is not the case.

Returns

The pseudorapidity value

Definition at line 113 of file VectorHelpers.hpp.

View newest version in sPHENIX GitHub at line 113 of file VectorHelpers.hpp

References assert, autodiff::detail::copysign(), perp(), parse_cmake_options::rows, and testSigmaEff::v.

Referenced by Acts::Test::BOOST_AUTO_TEST_CASE(), cast(), Acts::dbscanTrackClustering(), ActsExamples::ParticleSelector::execute(), ActsExamples::TruthSeedSelector::execute(), ActsExamples::TrackSummaryPlotTool::fill(), ActsExamples::ResPlotTool::fill(), Acts::AmbiguityTrackClassifier::inferScores(), Fatras::casts::eta::operator()(), Fatras::casts::absEta::operator()(), Acts::ObjectSorterT< Vector3 >::operator()(), Acts::DistanceSorterT< T >::operator()(), Acts::BinningData::value(), ActsEvaluator::visitTrackStates(), ActsExamples::RootParticleWriter::writeT(), ActsExamples::CsvMultiTrajectoryWriter::writeT(), and ActsExamples::RootTrajectoryStatesWriter::writeT().

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std::array<ActsScalar, 5> Acts::VectorHelpers::evaluateTrigonomics ( const Vector3 &  direction )

inline

Fast evaluation of trigonomic functions.

Parameters

direction

for this evaluatoin

Returns

cos(phi), sin(phi), cos(theta), sin(theta), 1/sin(theta)

Definition at line 135 of file VectorHelpers.hpp.

View newest version in sPHENIX GitHub at line 135 of file VectorHelpers.hpp

References ambiguity_solver_full_chain::x, y, and physmon_track_finding_ttbar::z.

Referenced by Acts::detail::anglesToDirectionJacobian(), Acts::Surface::boundToFreeJacobian(), Acts::detail::curvilinearToFreeJacobian(), Acts::detail::directionToAnglesJacobian(), Acts::Surface::freeToBoundJacobian(), and Acts::detail::freeToCurvilinearJacobian().

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std::pair<double, double> Acts::VectorHelpers::incidentAngles ( const Acts::Vector3 &  direction, const Acts::RotationMatrix3 &  globalToLocal  )

inline

Calculate the incident angles of a vector with in a given reference frame

Template Parameters

Derived

Eigen derived concrete type

Parameters

direction	The crossing direction in the global frame
globalToLocal	Rotation from global to local frame

Returns

The angles of incidence in the two normal planes

Definition at line 224 of file VectorHelpers.hpp.

View newest version in sPHENIX GitHub at line 224 of file VectorHelpers.hpp

References phi(), and theta().

Referenced by Acts::Test::BOOST_AUTO_TEST_CASE(), and ActsExamples::RootMeasurementWriter::writeT().

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template<typename vector3_t >

auto Acts::VectorHelpers::makeVector4 ( const Eigen::MatrixBase< vector3_t > &  vec3, typename vector3_t::Scalar  w  ) -> Eigen::Matrix<typename vector3_t::Scalar, 4, 1>

inline

Construct a four-vector from a three-vector and scalar fourth component.

Definition at line 206 of file VectorHelpers.hpp.

View newest version in sPHENIX GitHub at line 206 of file VectorHelpers.hpp

References Acts::ePos0, Acts::ePos1, Acts::ePos2, and Acts::eTime.

Referenced by Acts::Test::BOOST_AUTO_TEST_CASE(), Acts::Test::BOOST_DATA_TEST_CASE(), Acts::SurfaceMaterialMapper::mapInteraction(), Acts::VolumeMaterialMapper::mapMaterialTrack(), and Acts::EventDataView3DTest::testMultiTrajectory().

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template<typename Derived >

double Acts::VectorHelpers::perp ( const Eigen::MatrixBase< Derived > &  v )

noexcept

Calculate radius in the transverse (xy) plane of a vector

Template Parameters

Derived

Eigen derived concrete type

Parameters

v	Any vector like Eigen type, static or dynamic

Note

Will static assert that the number of rows of v is at least 2, or in case of dynamic size, will abort execution if that is not the case.

Returns

The transverse radius value.

Definition at line 72 of file VectorHelpers.hpp.

View newest version in sPHENIX GitHub at line 72 of file VectorHelpers.hpp

References assert, parse_cmake_options::rows, and testSigmaEff::v.

Referenced by ActsFatras::PlanarSurfaceMask::apply(), Acts::Test::BOOST_AUTO_TEST_CASE(), ActsFatras::BOOST_AUTO_TEST_CASE(), Acts::Test::BOOST_DATA_TEST_CASE(), Acts::Test::BOOST_FIXTURE_TEST_CASE(), cast(), Acts::LayerCreator::checkBinning(), FastJetAlgoSub::cluster_and_fill(), PHG4InnerHcalDetector::ConstructScintillatorBox(), PHG4OuterHcalDetector::ConstructScintillatorBox(), PHG4InnerHcalDetector::ConstructSteelPlate(), PHG4OuterHcalDetector::ConstructSteelPlate(), Acts::Svg::SurfaceArrayConverter::convert(), Acts::detail::PointwiseMaterialInteraction::covarianceContributions(), genfit::MeasurementCreator::create(), Acts::SurfaceArrayCreator::createVariableAxis(), Acts::DD4hepLayerBuilder::endcapLayers(), Fatras::Test::Particle::energyLoss(), eta(), ActsExamples::ParticleSelector::execute(), ActsExamples::TruthSeedSelector::execute(), Acts::fieldMapRZ(), ActsExamples::TrackSummaryPlotTool::fill(), ActsExamples::DuplicationPlotTool::fill(), ActsExamples::FakeRatePlotTool::fill(), ActsExamples::ResPlotTool::fill(), Acts::SolenoidBField::getField(), Acts::ConeSurface::globalToLocal(), Acts::CylinderSurface::globalToLocal(), Acts::LineSurface::globalToLocal(), Acts::globalToLocalFromBin(), Acts::CutoutCylinderVolumeBounds::inside(), Acts::ConeVolumeBounds::inside(), Acts::CylinderVolumeBounds::inside(), Acts::CylinderBounds::inside3D(), Acts::SurfaceArrayCreator::isSurfaceEquivalent(), Acts::ConeSurface::localCartesianToBoundLocalDerivative(), Acts::CylinderSurface::localCartesianToBoundLocalDerivative(), main(), Acts::materialMapperRZ(), Acts::ObjectSorterT< Vector3 >::operator()(), Fatras::casts::pT::operator()(), ActsFatras::PlanarSurfaceTestBeds::operator()(), ActsFatras::Casts::Pt::operator()(), Fatras::casts::vR::operator()(), Acts::Test::PerpendicularMeasure::operator()(), Acts::DistanceSorterT< T >::operator()(), Acts::Test::SurfaceObserver< Surface >::operator()(), PHHepMCParticleSelectorDecayProductChain::process_event(), MyJetAnalysis::process_event(), sPHAnalysis::process_event_pythiaupsilon(), PseudoJet::pseudorapidity(), ActsExamples::RootBFieldWriter::run(), ActsExamples::CsvBFieldWriter::run(), Fatras::Test::Particle::scatter(), ActsFatras::Channelizer::segments(), Acts::solenoidFieldMap(), Acts::SurfaceArrayCreator::surfaceArrayOnDisc(), theta(), Acts::CylinderVolumeBuilder::trackingVolume(), Fatras::Test::Particle::update(), Acts::BinningData::value(), ActsExamples::RootParticleWriter::writeT(), ActsExamples::CsvMultiTrajectoryWriter::writeT(), ActsExamples::CKFPerformanceWriter::writeT(), ActsExamples::RootTrajectorySummaryWriter::writeT(), and ActsExamples::RootTrajectoryStatesWriter::writeT().

template<typename Derived >

double Acts::VectorHelpers::phi ( const Eigen::MatrixBase< Derived > &  v )

noexcept

Calculate phi (transverse plane angle) from compatible Eigen types

Template Parameters

Derived

Eigen derived concrete type

Parameters

v	Any vector like Eigen type, static or dynamic

Note

Will static assert that the number of rows of v is at least 2, or in case of dynamic size, will abort execution if that is not the case.

Returns

The value of the angle in the transverse plane.

Definition at line 40 of file VectorHelpers.hpp.

View newest version in sPHENIX GitHub at line 40 of file VectorHelpers.hpp

References assert, parse_cmake_options::rows, and testSigmaEff::v.

Referenced by ActsFatras::PlanarSurfaceMask::annulusMask(), ActsFatras::PlanarSurfaceMask::apply(), Acts::Test::BOOST_AUTO_TEST_CASE(), ActsFatras::BOOST_AUTO_TEST_CASE(), ActsExamples::MockupSectorBuilder::buildSector(), cast(), ActsFatras::NuclearInteraction::convertParametersToParticles(), Acts::dbscanTrackClustering(), Acts::SpacePointUtility::differenceOfMeasurementsChecked(), Acts::EventDataView3D::drawCovarianceAngular(), Acts::estimateTrackParamsFromSeed(), ActsExamples::ParticleSmearing::execute(), ActsExamples::ParticleSelector::execute(), ActsExamples::TruthSeedSelector::execute(), ActsExamples::ResPlotTool::fill(), ActsExamples::RootMeasurementWriter::DigitizationTree::fillTruthParameters(), Acts::Frustum< value_t, DIM, SIDES >::Frustum(), Acts::globalToLocalFromBin(), incidentAngles(), Acts::AmbiguityTrackClassifier::inferScores(), Acts::EllipseBounds::inside(), Acts::CutoutCylinderVolumeBounds::inside(), Acts::ConeVolumeBounds::inside(), Acts::CylinderVolumeBounds::inside(), Acts::detail::IntersectionHelper2D::intersectCircleSegment(), Acts::ConeSurface::localCartesianToBoundLocalDerivative(), Acts::CylinderSurface::localCartesianToBoundLocalDerivative(), Acts::LineSurface::localCartesianToBoundLocalDerivative(), main(), Acts::ObjectSorterT< Vector3 >::operator()(), Fatras::Scattering< formula_t >::operator()(), Acts::Test::MeasurementsCreator::operator()(), Acts::DistanceSorterT< T >::operator()(), Acts::Experimental::PathGridSurfacesGenerator::operator()(), Acts::ConeSurface::pathCorrection(), Acts::MultiComponentBoundTrackParameters::phi(), ActsFatras::Particle::phi(), ActsFatras::Channelizer::segments(), Acts::AnnulusBounds::stripXYToModulePC(), Acts::Test::CylindricalTrackingGeometry::surfacesCylinder(), Acts::BinningData::value(), Acts::AnnulusBounds::vertices(), ActsExamples::RootParticleWriter::writeT(), and ActsExamples::CsvMultiTrajectoryWriter::writeT().

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template<typename T , std::enable_if_t< detail::has_phi_method< T >::value, int > = 0>

double Acts::VectorHelpers::phi ( const T &  v )

noexcept

Calculate phi (transverse plane angle) from anything implementing a method like phi() returning anything convertible to double.

Template Parameters

T	anything that has a phi method

Parameters

v	Any type that implements a phi method

Returns

The phi value

Definition at line 61 of file VectorHelpers.hpp.

View newest version in sPHENIX GitHub at line 61 of file VectorHelpers.hpp

References testSigmaEff::v.

auto Acts::VectorHelpers::position ( const Vector4 &  pos4 )

inline

Access the three-position components in a four-position vector.

Definition at line 195 of file VectorHelpers.hpp.

View newest version in sPHENIX GitHub at line 195 of file VectorHelpers.hpp

References Acts::ePos0.

Referenced by Acts::Test::BOOST_AUTO_TEST_CASE(), and Acts::Vertex< input_track_t >::position().

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auto Acts::VectorHelpers::position ( const FreeVector &  params )

inline

Access the three-position components in a free parameters vector.

Definition at line 200 of file VectorHelpers.hpp.

View newest version in sPHENIX GitHub at line 200 of file VectorHelpers.hpp

References Acts::eFreePos0.

template<typename Derived >

double Acts::VectorHelpers::theta ( const Eigen::MatrixBase< Derived > &  v )

noexcept

Calculate the theta angle (longitudinal w.r.t. z axis) of a vector

Template Parameters

Derived

Eigen derived concrete type

Parameters

v	Any vector like Eigen type, static or dynamic

Note

Will static assert that the number of rows of v is at least 3, or in case of dynamic size, will abort execution if that is not the case.

Returns

The theta value

Definition at line 93 of file VectorHelpers.hpp.

View newest version in sPHENIX GitHub at line 93 of file VectorHelpers.hpp

References assert, perp(), parse_cmake_options::rows, and testSigmaEff::v.

Referenced by Acts::Test::BOOST_AUTO_TEST_CASE(), cast(), ActsFatras::NuclearInteraction::convertParametersToParticles(), Acts::SpacePointUtility::differenceOfMeasurementsChecked(), Acts::EventDataView3D::drawCovarianceAngular(), Acts::estimateTrackParamsFromSeed(), ActsExamples::ParticleSmearing::execute(), ActsExamples::ResPlotTool::fill(), ActsExamples::RootMeasurementWriter::DigitizationTree::fillTruthParameters(), incidentAngles(), main(), Fatras::Scattering< formula_t >::operator()(), Acts::Test::MeasurementsCreator::operator()(), Acts::MultiComponentBoundTrackParameters::theta(), ActsFatras::Particle::theta(), and ActsFatras::PlanarSurfaceDrift::toReadout().

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