ActsPlugins::Geant4ShapeConverter Struct Reference

Converter for Geant4 shapes to ACTS surface bounds. More...

#include <ActsPlugins/Geant4/Geant4Converters.hpp>

Public Member Functions
std::tuple< std::shared_ptr< Acts::CylinderBounds >, double >	cylinderBounds (const G4Tubs &g4Tubs)
	Convert to cylinder bounds.
std::shared_ptr< Acts::LineBounds >	lineBounds (const G4Tubs &g4Tubs)
	Convert to line/straw bounds.
std::tuple< std::shared_ptr< Acts::PlanarBounds >, std::array< int, 2u >, double >	planarBounds (const G4VSolid &g4Solid)
	Convert to general solid into a planar shape.
std::tuple< std::shared_ptr< Acts::RadialBounds >, double >	radialBounds (const G4Tubs &g4Tubs)
	Convert to radial bounds.
std::tuple< std::shared_ptr< Acts::RectangleBounds >, std::array< int, 2u >, double >	rectangleBounds (const G4Box &g4Box)
	Convert to rectangle bounds.
std::tuple< std::shared_ptr< Acts::TrapezoidBounds >, std::array< int, 2u >, double >	trapezoidBounds (const G4Trap &g4Trap)
	Convert to trapezoid bounds - from Trap.
std::tuple< std::shared_ptr< Acts::TrapezoidBounds >, std::array< int, 2u >, double >	trapezoidBounds (const G4Trd &g4Trd)
	Convert to trapezoid bounds - from Trd.

Public Attributes
bool	keepAxisOrder = false
	A description to keep the axis order, if it is set to false cyclic re-ordering will happen, otherwise axis flip if needed in order to keep the system right-handed.
double	scale = 1.
	A scale between Geant4 and ACTS.

Detailed Description

Converter for Geant4 shapes to ACTS surface bounds.

Member Function Documentation

cylinderBounds()

std::tuple< std::shared_ptr< Acts::CylinderBounds >, double > ActsPlugins::Geant4ShapeConverter::cylinderBounds

(

const G4Tubs &

g4Tubs

)

Convert to cylinder bounds.

Parameters

g4Tubs

a Geant4 tube shape

Returns

an Acts Cylinder bounds object, and thickness

lineBounds()

std::shared_ptr< Acts::LineBounds > ActsPlugins::Geant4ShapeConverter::lineBounds

(

const G4Tubs &

g4Tubs

)

Convert to line/straw bounds.

Parameters

g4Tubs

a Geant4 tube shape

Returns

an Acts line bounds object and thickness

planarBounds()

std::tuple< std::shared_ptr< Acts::PlanarBounds >, std::array< int, 2u >, double > ActsPlugins::Geant4ShapeConverter::planarBounds

(

const G4VSolid &

g4Solid

)

Convert to general solid into a planar shape.

Parameters

g4Solid

a Geant4 solid shape

Returns

an ACTS Planar bounds object, the axes, and the thickness of the compressed dimension

radialBounds()

std::tuple< std::shared_ptr< Acts::RadialBounds >, double > ActsPlugins::Geant4ShapeConverter::radialBounds

(

const G4Tubs &

g4Tubs

)

Convert to radial bounds.

Parameters

g4Tubs

a Geant4 tube shape

Returns

an Acts Radial bounds object and thickness

rectangleBounds()

std::tuple< std::shared_ptr< Acts::RectangleBounds >, std::array< int, 2u >, double > ActsPlugins::Geant4ShapeConverter::rectangleBounds

(

const G4Box &

g4Box

)

Convert to rectangle bounds.

Parameters

g4Box

a Geant4 box shape

Returns

an ACTS Rectangle bounds shape, axis orientation, and thickness

trapezoidBounds() [1/2]

std::tuple< std::shared_ptr< Acts::TrapezoidBounds >, std::array< int, 2u >, double > ActsPlugins::Geant4ShapeConverter::trapezoidBounds

(

const G4Trap &

g4Trap

)

Convert to trapezoid bounds - from Trap.

Parameters

g4Trap

a Geant4 trapezoid shape

Returns

an ACTS Trapezoid bounds object, axis orientation, and thickness

trapezoidBounds() [2/2]

std::tuple< std::shared_ptr< Acts::TrapezoidBounds >, std::array< int, 2u >, double > ActsPlugins::Geant4ShapeConverter::trapezoidBounds

(

const G4Trd &

g4Trd

)

Convert to trapezoid bounds - from Trd.

Parameters

g4Trd

a Geant4 trapezoid shape

Returns

an ACTS Trapezoid bounds object, axis orientation, and thickness