The creator for the SVD geometry of the Belle II detector. More...

#include <GeoSVDCreator.h>

Inheritance diagram for GeoSVDCreator:

Collaboration diagram for GeoSVDCreator:

[legend]

Public Member Functions
	GeoSVDCreator ()
	Constructor of the GeoSVDCreator class.

virtual	~GeoSVDCreator ()
	The destructor of the GeoSVDCreator class.

virtual void	create (const GearDir &content, G4LogicalVolume &topVolume, geometry::GeometryTypes type) override
	The old create member: create the configuration object(s) on the fly and call the geometry creation routine.

virtual void	createPayloads (const GearDir &content, const IntervalOfValidity &iov) override
	Create the configuration objects and save them in the Database. More...

virtual void	createFromDB (const std::string &name, G4LogicalVolume &topVolume, geometry::GeometryTypes type) override
	Create the geometry from the Database.

virtual VXD::GeoVXDAssembly	createLayerSupport (int, const SVDGeometryPar &parameters)
	Create support structure for a SVD Layer. More...

virtual VXD::GeoVXDAssembly	createLadderSupport (int, const SVDGeometryPar &parameters)
	Create support structure for a SVD Ladder. More...

virtual VXD::GeoVXDAssembly	createHalfShellSupport (const SVDGeometryPar &parameters)
	Create support structure for SVD Half Shell, that means everything that does not depend on layer or sensor alignment. More...

virtual VXD::SensorInfoBase *	createSensorInfo (const VXDGeoSensorPar &sensor) override
	Read the sensor definitions from the database. More...

SVDSensorInfoPar *	readSensorInfo (const GearDir &sensor)
	Read the sensor definitions from gearbox. More...

virtual VXD::SensitiveDetectorBase *	createSensitiveDetector (VxdID sensorID, const VXDGeoSensor &sensor, const VXDGeoSensorPlacement &placement) override
	Return a SensitiveDetector implementation for a given sensor. More...

void	readHalfShellSupport (const GearDir &support, SVDGeometryPar &svdGeometryPar)
	Create support structure for SVD Half Shell, that means everything that does not depend on layer or sensor alignment. More...

void	readLayerSupport (int layer, const GearDir &support, SVDGeometryPar &svdGeometryPar)
	Create support structure for a SVD Layer. More...

void	readLadderSupport (int layer, const GearDir &support, SVDGeometryPar &svdGeometryPar)
	Create support structure for a SVD Ladder. More...

virtual void	setCurrentLayer (int layer, const VXDGeometryPar &parameters)
	Read parameters for given layer and store in m_ladder.

G4Transform3D	placeLadder (int ladderID, double phi, G4LogicalVolume *volume, const G4Transform3D &placement, const VXDGeometryPar &parameters)
	Place ladder corresponding to the given ladder id into volume setLayer has to be called first to set the correct layer id.

G4Transform3D	getPosition (const VXDGeoComponent &mother, const VXDGeoComponent &daughter, const VXDGeoPlacement &placement, bool originCenter)
	Return the position where a daughter component is to be placed. More...

G4Transform3D	getAlignment (const VXDAlignmentPar &params)
	Get Alignment from paylead object. More...

GeoVXDAssembly	createSubComponents (const std::string &name, VXDGeoComponent &component, std::vector< VXDGeoPlacement > placements, bool originCenter=true, bool allowOutside=false)
	Place a list of subcomponents into an component. More...

G4VSolid *	createTrapezoidal (const std::string &name, double width, double width2, double length, double &height, double angle=0)
	Create a trapezoidal solid. More...

void	createDiamonds (const VXDGeoRadiationSensorsPar &params, G4LogicalVolume &topVolume, G4LogicalVolume &envelopeVolume)
	Create diamond radiation sensors.

std::vector< VXDGeoPlacementPar >	getSubComponents (const GearDir &path)
	Return vector of VXDGeoPlacements with all the components defined inside a given path.

virtual void	readLadder (int layer, GearDir components, VXDGeometryPar &geoparameters)
	Read parameters for a ladder in layer with given ID from gearbox and layer store them in payload.

virtual void	readLadderComponents (int layerID, int ladderID, GearDir content, VXDGeometryPar &vxdGeometryPar)
	Read parameters for ladder components and their alignment corresponding to the given ladder id.

void	readComponent (const std::string &name, GearDir components, VXDGeometryPar &vxdGeometryPar)
	Read parameters for component name from Gearbox into geometry payload. More...

void	readSubComponents (const std::vector< VXDGeoPlacementPar > &placements, const GearDir &componentsDir, VXDGeometryPar &vxdGeometryPar)
	Read parameters for all components in placement container from Gearbox into payload. More...

	BELLE2_DEFINE_EXCEPTION (DBNotImplemented, "Cannot create geometry from Database.")
	Exception that will be thrown in createFromDB if member is not yet implemented by creator.

Protected Attributes
std::string	m_prefix
	Prefix to prepend to all volume names.

GearDir	m_alignment
	GearDir pointing to the alignment parameters.

GearDir	m_components
	GearDir pointing to the toplevel of the components.

std::map< std::string, VXDGeoComponent >	m_componentCache
	Cache of all previously created components.

std::map< std::string, VXDGeoSensor >	m_sensorMap
	Map containing Information about all defined sensor types.

VXDGeoLadder	m_ladder
	Parameters of the currently active ladder.

std::vector< Simulation::SensitiveDetectorBase * >	m_sensitive
	List to all created sensitive detector instances.

GeoVXDRadiationSensors	m_radiationsensors
	Diamond radiation sensor "sub creator".

std::string	m_defaultMaterial
	Name of the Material to be used for Air.

float	m_distanceTolerance {(float)(5 * Unit::um)}
	tolerance for Geant4 steps to be merged to a single step

float	m_electronTolerance {100}
	tolerance for the energy deposition in electrons to be merged in a single step

float	m_minimumElectrons {10}
	minimum number of electrons to be deposited by a particle to be saved

double	m_activeStepSize {5 * Unit::um}
	Stepsize to be used inside active volumes.

bool	m_activeChips {false}
	Make also chips sensitive.

bool	m_seeNeutrons {false}
	Make sensitive detectors also see neutrons.

bool	m_onlyPrimaryTrueHits {false}
	If true only create TrueHits from primary particles and ignore secondaries.

bool	m_onlyActiveMaterial {false}
	If this is true, only active Materials will be placed for tracking studies. More...

std::vector< G4UserLimits * >	m_UserLimits
	Vector of G4UserLimit pointers.

std::string	m_currentHalfShell {""}
	Current half-shell being processed (need to know ladder parent for hierarchy)

std::map< std::string, Belle2::VxdID >	m_halfShellVxdIDs
	Used for translation of half-shell name into a VxdID to consitently handle it in hierarchy. More...

Private Member Functions
SVDGeometryPar	createConfiguration (const GearDir &param)
	Create a parameter object from the Gearbox XML parameters.

void	createGeometry (const SVDGeometryPar &parameters, G4LogicalVolume &topVolume, geometry::GeometryTypes type)
	Create the geometry from a parameter object.

Private Attributes
std::vector< SensorInfo * >	m_SensorInfo
	Vector of pointers to SensorInfo objects.

Detailed Description

The creator for the SVD geometry of the Belle II detector.

Definition at line 28 of file GeoSVDCreator.h.

Member Function Documentation

◆ createHalfShellSupport()

VXD::GeoVXDAssembly createHalfShellSupport ( const SVDGeometryPar & parameters )

virtual

Create support structure for SVD Half Shell, that means everything that does not depend on layer or sensor alignment.

Parameters

parameters

Definition at line 635 of file GeoSVDCreator.cc.

     {
       VXD::GeoVXDAssembly supportAssembly;
  
       //Half shell support is easy as we just add all the defined RotationSolids
       double minZ(0), maxZ(0);
  
       const std::vector<VXDRotationSolidPar>& RotationSolids = parameters.getRotationSolids();
  
       for (const VXDRotationSolidPar& component : RotationSolids) {
  
         string name = component.getName();
         string material = component.getMaterial();
  
         G4Polycone* solid = geometry::createRotationSolid(name,
                                                           component.getInnerPoints(),
                                                           component.getOuterPoints(),
                                                           component.getMinPhi(),
                                                           component.getMaxPhi(),
                                                           minZ, maxZ
                                                          );
  
         G4LogicalVolume* volume = new G4LogicalVolume(
           solid, geometry::Materials::get(material), m_prefix + ". " + name);
         geometry::setColor(*volume, component.getColor());
         supportAssembly.add(volume);
       }
       return supportAssembly;
     }

◆ createLadderSupport()

VXD::GeoVXDAssembly createLadderSupport	(	int	layer,
		const SVDGeometryPar &	parameters
	)

virtual

Create support structure for a SVD Ladder.

Parameters

layer	Layer ID to create the support
parameters

Definition at line 797 of file GeoSVDCreator.cc.

◆ createLayerSupport()

VXD::GeoVXDAssembly createLayerSupport	(	int	layer,
		const SVDGeometryPar &	parameters
	)

virtual

Create support structure for a SVD Layer.

Parameters

layer	Layer ID to create the support
parameters

Definition at line 667 of file GeoSVDCreator.cc.

◆ createPayloads()

virtual void createPayloads	(	const GearDir &	content,
		const IntervalOfValidity &	iov
	)

inlineoverridevirtual

Create the configuration objects and save them in the Database.

If more than one object is needed adjust accordingly

Reimplemented from CreatorBase.

Definition at line 52 of file GeoSVDCreator.h.

       {
         DBImportObjPtr<SVDGeometryPar> importObj;
         importObj.construct(createConfiguration(content));
         importObj.import(iov);
       }

◆ createSensitiveDetector()

VXD::SensitiveDetectorBase * createSensitiveDetector	(	VxdID	sensorID,
		const VXDGeoSensor &	sensor,
		const VXDGeoSensorPlacement &	placement
	)

overridevirtual

Return a SensitiveDetector implementation for a given sensor.

Parameters

sensorID	SensorID for the sensor
sensor	Information about the sensor to create the Sensitive Detector for
placement	Information on how to place the sensor

Implements GeoVXDCreator.

Definition at line 136 of file GeoSVDCreator.cc.

◆ createSensorInfo()

VXD::SensorInfoBase * createSensorInfo ( const VXDGeoSensorPar & sensor )

overridevirtual

Read the sensor definitions from the database.

Parameters

sensor Reference to the database containing the parameters

Implements GeoVXDCreator.

Definition at line 59 of file GeoSVDCreator.cc.

◆ createSubComponents()

GeoVXDAssembly createSubComponents	(	const std::string &	name,
		VXDGeoComponent &	component,
		std::vector< VXDGeoPlacement >	placements,
		bool	originCenter = `true`,
		bool	allowOutside = `false`
	)

inherited

Place a list of subcomponents into an component.

If the volume of the given component is NULL, a new container will be created to fit all subcomponents. It will have air as medium. If at least one subcomponent with this placement is found the whole component is wrapped in a container volume with Air medium which extends above and below to fit the subcomponents

Parameters

name	Name for the potential new volume or as prefix for the container to extend the component
component	Component to fit the subcomponents into
placements	Placement information for all subcomponents
originCenter	bool
allowOutside	bool

Returns: offset in w which was applied to the component when extending it

Definition at line 74 of file GeoVXDCreator.cc.

◆ createTrapezoidal()

G4VSolid * createTrapezoidal	(	const std::string &	name,
		double	width,
		double	width2,
		double	length,
		double &	height,
		double	angle = `0`
	)

inherited

Create a trapezoidal solid.

Parameters

	name	name of the Geant4 solid
	width	full forward width of the shape in mm
	width2	full backward width of the shape in mm
	length	length of the shape in mm
[in,out]	height	of the shape in mm. If angle is not 0 this value might be changed if the actual height will be smaller due to the slanted edges
	angle	angle of the sides along w with respect to to the uv plane. 0 means normal box shaped, !=0 means the upper endcap of the solid will be smaller since all edges will be slanted by angle

Returns: A G4VShape which could be a G4Box, a G4Trd or a G4Trap depending on the parameters

Definition at line 254 of file GeoVXDCreator.cc.

◆ getAlignment()

G4Transform3D getAlignment ( const VXDAlignmentPar & params )

inherited

Get Alignment from paylead object.

Parameters

params Payload object

Returns: Transformation matrix for component

Definition at line 172 of file GeoVXDCreator.cc.

◆ getPosition()

G4Transform3D getPosition	(	const VXDGeoComponent &	mother,
		const VXDGeoComponent &	daughter,
		const VXDGeoPlacement &	placement,
		bool	originCenter
	)

inherited

Return the position where a daughter component is to be placed.

Parameters

mother	Mother component
daughter	Daughter component
placement	VXDGeoPlacement
originCenter	bool

Returns: Transformation matrix to place the daughter relative to the origin to the mother

Definition at line 179 of file GeoVXDCreator.cc.

◆ readComponent()

void readComponent	(	const std::string &	name,
		GearDir	components,
		VXDGeometryPar &	vxdGeometryPar
	)

inherited

Read parameters for component name from Gearbox into geometry payload.

The name is assumed to be unique and Volumes are cached.

Parameters

name	Name of the component
components	Path to components
vxdGeometryPar	VXD geometry parameters

Definition at line 532 of file GeoVXDCreator.cc.

◆ readHalfShellSupport()

void readHalfShellSupport	(	const GearDir &	support,
		SVDGeometryPar &	svdGeometryPar
	)

Create support structure for SVD Half Shell, that means everything that does not depend on layer or sensor alignment.

Parameters

support	Reference to the database containing the parameters
svdGeometryPar

Definition at line 509 of file GeoSVDCreator.cc.

◆ readLadderSupport()

void readLadderSupport	(	int	layer,
		const GearDir &	support,
		SVDGeometryPar &	svdGeometryPar
	)

Create support structure for a SVD Ladder.

Parameters

layer	Layer ID to create the support for
support	Reference to the database containing the parameters
svdGeometryPar

Definition at line 581 of file GeoSVDCreator.cc.

◆ readLayerSupport()

void readLayerSupport	(	int	layer,
		const GearDir &	support,
		SVDGeometryPar &	svdGeometryPar
	)

Create support structure for a SVD Layer.

Parameters

layer	Layer ID to create the support for
support	Reference to the database containing the parameters
svdGeometryPar

Definition at line 536 of file GeoSVDCreator.cc.

◆ readSensorInfo()

SVDSensorInfoPar * readSensorInfo ( const GearDir & sensor )

Read the sensor definitions from gearbox.

Parameters

sensor Reference to the database containing the parameters

Definition at line 96 of file GeoSVDCreator.cc.

◆ readSubComponents()

void readSubComponents	(	const std::vector< VXDGeoPlacementPar > &	placements,
		const GearDir &	componentsDir,
		VXDGeometryPar &	vxdGeometryPar
	)

inherited

Read parameters for all components in placement container from Gearbox into payload.

Parameters

placements	container holding names of all components to be cached
componentsDir	Path to Gearbox where parameters are to be found
vxdGeometryPar

Definition at line 523 of file GeoVXDCreator.cc.

Member Data Documentation

◆ m_halfShellVxdIDs

std::map<std::string, Belle2::VxdID> m_halfShellVxdIDs

protectedinherited

Initial value:

{
        {{"PXD.Ying"}, {Belle2::VxdID(1, 0, 0, 1)}},
        {{"PXD.Yang"}, {Belle2::VxdID(1, 0, 0, 2)}},
        {{"SVD.Pat"}, {Belle2::VxdID(3, 0, 0, 1)}},
        {{"SVD.Mat"}, {Belle2::VxdID(3, 0, 0, 2)}}
      }

Used for translation of half-shell name into a VxdID to consitently handle it in hierarchy.

Definition at line 222 of file GeoVXDCreator.h.

◆ m_onlyActiveMaterial

bool m_onlyActiveMaterial {false}

protectedinherited

If this is true, only active Materials will be placed for tracking studies.

Dead Material will be ignored

Definition at line 216 of file GeoVXDCreator.h.

The documentation for this class was generated from the following files:

svd/geometry/include/GeoSVDCreator.h
svd/geometry/src/GeoSVDCreator.cc

Public Member Functions

Protected Attributes

Private Member Functions

Private Attributes

Detailed Description

Member Function Documentation

◆ createHalfShellSupport()

◆ createLadderSupport()

◆ createLayerSupport()

◆ createPayloads()

◆ createSensitiveDetector()

◆ createSensorInfo()

◆ createSubComponents()

◆ createTrapezoidal()

◆ getAlignment()

◆ getPosition()

◆ readComponent()

◆ readHalfShellSupport()

◆ readLadderSupport()

◆ readLayerSupport()

◆ readSensorInfo()

◆ readSubComponents()

Member Data Documentation

◆ m_halfShellVxdIDs

◆ m_onlyActiveMaterial