The class collects utility functions for numbering layers, sensors snd chips based on current VXD geometry. More...

#include <GeoTools.h>

Collaboration diagram for GeoTools:

[legend]

Public Member Functions
	GeoTools ()
	Constructor builds lookup maps from GeoCache. More...

unsigned short	getNumberOfLayers () const
	Get number of VXD layers. More...

unsigned short	getNumberOfPXDLayers () const
	Get number of PXD layers. More...

unsigned short	getNumberOfSVDLayers () const
	Get number of SVD layers. More...

std::vector< unsigned short >	getLayers () const
	Get numbers of VXD layers. More...

std::vector< unsigned short >	getPXDLayers () const
	Get numbers of PXD layers. More...

std::vector< unsigned short >	getSVDLayers () const
	Get numbers of SVD layers. More...

unsigned short	getFirstLayer () const
	Get first (innermost) layer number. More...

unsigned short	getLastLayer () const
	Get last (outermost) layer number. More...

short	getFirstPXDLayer () const
	Get first (innermost) PXD layer number. More...

short	getLastPXDLayer () const
	Get last (outermost) PXD layer number. More...

short	getFirstSVDLayer () const
	Get first (innermost) SVD layer number. More...

short	getLastSVDLayer () const
	Get last (outermost) SVD layer number. More...

unsigned short	getNumberOfSensors () const
	Get total number of sensors. More...

unsigned short	getNumberOfPXDSensors () const
	Get number of PXD sensors. More...

unsigned short	getNumberOfSVDSensors () const
	Get number of SVD sensors. More...

size_t	getTotalPXDChips () const
	Get total number of chips in PXD. More...

unsigned short	getNumberOfPXDUSideChips () const
	Get number of u-side PXD chips. More...

unsigned short	getNumberOfPXDVSideChips () const
	Get number of v-side PXD chips. More...

unsigned short	getNumberOfPXDReadoutGates () const
	Get number of PXD readout gates. More...

size_t	getTotalSVDChips () const
	Get total number of chips in SVD. More...

unsigned short	getNumberOfSVDUSideChips () const
	Get number of u-side SVD chips. More...

unsigned short	getNumberOfSVDVSideChips (unsigned short layer) const
	Get number of v-side SVD chips. More...

unsigned short	getSVDChannelsPerChip () const
	Get number of strips per APV chip in SVD. More...

int	getSensorIndex (VxdID sensorID) const
	Return index of s VXD sensor for plotting. More...

VxdID	getSensorIDFromIndex (int vxdIndex) const
	Reverse lookup VxdID from list index. More...

int	getPXDSensorIndex (VxdID sensorID) const
	Return index of sensor in plots. More...

int	getPXDSensorIndex (int layer, int ladder, int sensor) const
	Return index of sensor in plots. More...

VxdID	getSensorIDFromPXDIndex (int pxdIndex) const
	Return index of a PXD sensor in plots. More...

int	getPXDChipIndex (VxdID sensorID, bool isU, int chip) const
	Return PXD chip index in the list of PXD chips. More...

int	getPXDChipIndex (int layer, int ladder, int sensor, bool isU, int chip) const
	Return PXD chip index in the list of PXD chips. More...

VxdID	getChipIDFromPXDIndex (int pxdChipIndex) const
	Return chipID (VxdID + side and chipNo) for index in the list. More...

bool	isPXDSideU (VxdID chipID) const
	Decode sensor side from a PXD ChipID. More...

unsigned short	getPXDChipNumber (VxdID chipID) const
	Decode (1-based) chip number from a PXD ChipID. More...

int	getSVDSensorIndex (VxdID sensorID) const
	Return index of SVD sensor in plots. More...

int	getSVDSensorIndex (int layer, int ladder, int sensor) const
	Return index of SVD sensor in plots. More...

VxdID	getSensorIDFromSVDIndex (int svdIndex) const
	Return VxdID for SVD index of sensor in plots. More...

int	getSVDChipIndex (VxdID sensorID, bool isU, int chip) const
	Return SVD chip index in the list of SVD chips. More...

int	getSVDChipIndex (int layer, int ladder, int sensor, bool isU, int chip) const
	Return SVD chip index in the list of SVD chips. More...

VxdID	getChipIDFromSVDIndex (int svdChipIndex) const
	Return chipID (VxdID with side and chipNo) for index in the list. More...

bool	isSVDSideU (VxdID chipID) const
	Decode sensor side from a SVD ChipID. More...

unsigned short	getSVDChipNumber (VxdID chipID) const
	Decode (1-based) chip number from a SVD ChipID. More...

int	getLayerIndex (unsigned short layer) const
	Return index of layer in plots. More...

unsigned short	getLayerNumberFromLayerIndex (int index) const
	Return layer number for list index. More...

Private Member Functions
void	createListOfLayers ()
	Create list of VXD layers.

void	createListOfPXDChips ()
	Create list of PXD chips.

void	createListOfSVDChips ()
	Create list of SVD chips.

Private Attributes
std::vector< VxdID >	m_listOfSensors
	List of all VXD sesnros.

size_t	m_firstSVDIndex
	Number of the first SVD sensor in the list.

std::vector< unsigned short >	m_listOfLayers
	List of all VXD layers.

unsigned short	m_firstSVDLayer
	List index of the first SVD layer.

std::vector< VxdID >	m_listOfPXDChips
	List of all PXD chips.

std::vector< VxdID >	m_listOfSVDChips
	List of all SVD chips.

const unsigned short	c_nPXDChipsU = 4
	Number of PXD chips per sensor in u (DCD) (=4) on Belle II.

const unsigned short	c_nPXDChipsV = 6
	Number of PXD chips per sensor in v (Switchers) (=6) on Belle II.

const unsigned short	c_nPXDReadoutGates = 192
	Number of PXD readout gates (or total number of Switcher channels) on Belle II.

const unsigned short	c_nSVDChipsL3 = 6
	Number of SVD chips per sensor in u,v in layer 3 (=6) on Belle II.

const unsigned short	c_nSVDChipsLu = 6
	Number of SVD chips per sensor in u in layers 4,5,6 (=6) on Belle II.

const unsigned short	c_nSVDChipsLv = 4
	Number of SVD chips per sensor in v in layers 4,5,6 (=4) on Belle II.

const unsigned short	c_nSVDChannelsPerChip = 128
	Number of SVD strips per chip on Belle II.

Detailed Description

The class collects utility functions for numbering layers, sensors snd chips based on current VXD geometry.

Definition at line 25 of file GeoTools.h.

Constructor & Destructor Documentation

◆ GeoTools()

GeoTools ( )

Constructor builds lookup maps from GeoCache.

The constructor calls VXD::GeoCache, should be called in initialize() method of modules, not in module constructor.

Definition at line 17 of file GeoTools.cc.

 {
   const VXD::GeoCache& geo = VXD::GeoCache::getInstance();
   m_listOfSensors = geo.getListOfSensors();
   // The list comes from a map, and is NOT sorted!
   std::sort(m_listOfSensors.begin(), m_listOfSensors.end());
   m_firstSVDIndex = std::distance(
                       m_listOfSensors.begin(),
                       std::find_if(m_listOfSensors.begin(), m_listOfSensors.end(),
                                    [](VxdID id)->bool { return (id.getLayerNumber() > 2); })
                     ); // works correctly even with no SVD sensors
   createListOfLayers();
   createListOfPXDChips();
   createListOfSVDChips();
 }

Member Function Documentation

◆ getChipIDFromPXDIndex()

VxdID getChipIDFromPXDIndex ( int pxdChipIndex ) const

inline

Return chipID (VxdID + side and chipNo) for index in the list.

Parameters

pxdChipIndex Index in the list of PXD sensors.

Returns: chipID: VxdID + chip number/side encoded in segment part.

Definition at line 286 of file GeoTools.h.

       {
         return m_listOfPXDChips[pxdChipIndex];
       }

◆ getChipIDFromSVDIndex()

VxdID getChipIDFromSVDIndex ( int svdChipIndex ) const

inline

Return chipID (VxdID with side and chipNo) for index in the list.

Parameters

svdChipIndex Index in the list of SVD sensors.

Returns: chipID: VxdID with chip number/side encoded in segment part.

Definition at line 384 of file GeoTools.h.

◆ getFirstLayer()

unsigned short getFirstLayer ( ) const

inline

Get first (innermost) layer number.

Returns: number of innermost layer

Definition at line 86 of file GeoTools.h.

◆ getFirstPXDLayer()

short getFirstPXDLayer ( ) const

inline

Get first (innermost) PXD layer number.

Returns: number of innermost PXD layer, -1 if no PXD layers

Definition at line 96 of file GeoTools.h.

◆ getFirstSVDLayer()

short getFirstSVDLayer ( ) const

inline

Get first (innermost) SVD layer number.

Returns: number of innermost SVD layer, -1 if no SVD layers

Definition at line 112 of file GeoTools.h.

◆ getLastLayer()

unsigned short getLastLayer ( ) const

inline

Get last (outermost) layer number.

Returns: number of last (outermost) layer

Definition at line 91 of file GeoTools.h.

◆ getLastPXDLayer()

short getLastPXDLayer ( ) const

inline

Get last (outermost) PXD layer number.

Returns: number of last (outermost) layer -1 if no PXD layers

Definition at line 104 of file GeoTools.h.

◆ getLastSVDLayer()

short getLastSVDLayer ( ) const

inline

Get last (outermost) SVD layer number.

Returns: number of last (outermost) layer -1 if no SVD layers

Definition at line 120 of file GeoTools.h.

◆ getLayerIndex()

int getLayerIndex ( unsigned short layer ) const

inline

Return index of layer in plots.

Parameters

layer layer number.

Returns: Index of layer in plots.

Definition at line 426 of file GeoTools.h.

◆ getLayerNumberFromLayerIndex()

unsigned short getLayerNumberFromLayerIndex ( int index ) const

inline

Return layer number for list index.

Parameters

index List index of the layer

Returns: Layer number

Definition at line 438 of file GeoTools.h.

◆ getLayers()

std::vector<unsigned short> getLayers ( ) const

inline

Get numbers of VXD layers.

Returns: std::vector with numbers of VXD layers

Definition at line 57 of file GeoTools.h.

◆ getNumberOfLayers()

unsigned short getNumberOfLayers ( ) const

inline

Get number of VXD layers.

Returns: number of VXD layers in current geometry

Definition at line 41 of file GeoTools.h.

◆ getNumberOfPXDLayers()

unsigned short getNumberOfPXDLayers ( ) const

inline

Get number of PXD layers.

Returns: number of PXD layers in current geometry

Definition at line 46 of file GeoTools.h.

◆ getNumberOfPXDReadoutGates()

unsigned short getNumberOfPXDReadoutGates ( ) const

inline

Get number of PXD readout gates.

Returns: number of v-side PXD readout gates

Definition at line 164 of file GeoTools.h.

◆ getNumberOfPXDSensors()

unsigned short getNumberOfPXDSensors ( ) const

inline

Get number of PXD sensors.

Returns: number of PXD sensors

Definition at line 133 of file GeoTools.h.

◆ getNumberOfPXDUSideChips()

unsigned short getNumberOfPXDUSideChips ( ) const

inline

Get number of u-side PXD chips.

Returns: number of u-side chips

Definition at line 152 of file GeoTools.h.

◆ getNumberOfPXDVSideChips()

unsigned short getNumberOfPXDVSideChips ( ) const

inline

Get number of v-side PXD chips.

Returns: number of v-side chips

Definition at line 158 of file GeoTools.h.

◆ getNumberOfSensors()

unsigned short getNumberOfSensors ( ) const

inline

Get total number of sensors.

Returns: total number of sensors, PXD+SVD

Definition at line 128 of file GeoTools.h.

◆ getNumberOfSVDLayers()

unsigned short getNumberOfSVDLayers ( ) const

inline

Get number of SVD layers.

Returns: number of SVD layers in current geometry

Definition at line 51 of file GeoTools.h.

◆ getNumberOfSVDSensors()

unsigned short getNumberOfSVDSensors ( ) const

inline

Get number of SVD sensors.

Returns: number of SVD sensors

Definition at line 138 of file GeoTools.h.

◆ getNumberOfSVDUSideChips()

unsigned short getNumberOfSVDUSideChips ( ) const

inline

Get number of u-side SVD chips.

Returns: number of u-side chips

Definition at line 175 of file GeoTools.h.

◆ getNumberOfSVDVSideChips()

unsigned short getNumberOfSVDVSideChips ( unsigned short layer ) const

inline

Get number of v-side SVD chips.

Parameters

layer Layer of the sensor

Returns: number of v-side chips

Definition at line 182 of file GeoTools.h.

◆ getPXDChipIndex() [1/2]

int getPXDChipIndex	(	int	layer,
		int	ladder,
		int	sensor,
		bool	isU,
		int	chip
	)		const

inline

Return PXD chip index in the list of PXD chips.

Parameters

layer	layer position of sensor
ladder	ladder position of sensor
sensor	sensor position of sensor
isU	true for u side of the sensor (DCD)
chip	Chip number on sensor (DCD or switcher, 1-based)

Returns: Index of sensor in plots.

Definition at line 277 of file GeoTools.h.

◆ getPXDChipIndex() [2/2]

int getPXDChipIndex	(	VxdID	sensorID,
		bool	isU,
		int	chip
	)		const

inline

Return PXD chip index in the list of PXD chips.

1-based chip numbering.

Parameters

sensorID	VxdID of the sensor
isU	true for u side of the sensor (DCD)
chip	Chip position on sensor - DCDs or Switchers

Returns: Index of sensor in plots.

Definition at line 259 of file GeoTools.h.

◆ getPXDChipNumber()

unsigned short getPXDChipNumber ( VxdID chipID ) const

inline

Decode (1-based) chip number from a PXD ChipID.

Parameters

chipID VxdID with chip number encoded in Segment part.

Returns: Chip number on the respective sensor side.

Definition at line 304 of file GeoTools.h.

◆ getPXDLayers()

std::vector<unsigned short> getPXDLayers ( ) const

inline

Get numbers of PXD layers.

Returns: std::vector with numbers of PXD layers

Definition at line 62 of file GeoTools.h.

◆ getPXDSensorIndex() [1/2]

int getPXDSensorIndex	(	int	layer,
		int	ladder,
		int	sensor
	)		const

inline

Return index of sensor in plots.

Use for only PXD sensor counting, without SVD.

Parameters

layer	layer position of sensor
ladder	ladder position of sensor
sensor	sensor position of sensor

Returns: Index of sensor in plots.

Definition at line 235 of file GeoTools.h.

◆ getPXDSensorIndex() [2/2]

int getPXDSensorIndex ( VxdID sensorID ) const

inline

Return index of sensor in plots.

A simple alias to getSensorIndex()

Parameters

sensorID VxdID of the sensor

Returns: Index of sensor in plots.

Definition at line 224 of file GeoTools.h.

◆ getSensorIDFromIndex()

VxdID getSensorIDFromIndex ( int vxdIndex ) const

inline

Reverse lookup VxdID from list index.

Parameters

vxdIndex list index of sensor in geometry (PXD then SVD)

Returns: VxdID of the sensor NB: Use specialized moethod to get VxdIDs for SVD-only indices!

Definition at line 211 of file GeoTools.h.

◆ getSensorIDFromPXDIndex()

VxdID getSensorIDFromPXDIndex ( int pxdIndex ) const

inline

Return index of a PXD sensor in plots.

Use for only PXD sensor counting, without SVD.

Parameters

pxdIndex Index of sensor in plots.

Definition at line 244 of file GeoTools.h.

◆ getSensorIDFromSVDIndex()

VxdID getSensorIDFromSVDIndex ( int svdIndex ) const

inline

Return VxdID for SVD index of sensor in plots.

Uses SVD sensor count, without PXD.

Parameters

svdIndex Index of the SVD sensor.

Definition at line 339 of file GeoTools.h.

◆ getSensorIndex()

int getSensorIndex ( VxdID sensorID ) const

inline

Return index of s VXD sensor for plotting.

Parameters

sensorID VxdID of the sensor

Returns: Index of sensor in plots.

Definition at line 198 of file GeoTools.h.

◆ getSVDChannelsPerChip()

unsigned short getSVDChannelsPerChip ( ) const

inline

Get number of strips per APV chip in SVD.

Returns: number of chips per APV in SVD.

Definition at line 188 of file GeoTools.h.

◆ getSVDChipIndex() [1/2]

int getSVDChipIndex	(	int	layer,
		int	ladder,
		int	sensor,
		bool	isU,
		int	chip
	)		const

inline

Return SVD chip index in the list of SVD chips.

Parameters

layer	layer position of sensor
ladder	ladder position of sensor
sensor	sensor position of sensor
isU	true for u side of the sensor
chip	Chip position on sensor (1-based)

Returns: Index of sensor in plots.

Definition at line 375 of file GeoTools.h.

◆ getSVDChipIndex() [2/2]

int getSVDChipIndex	(	VxdID	sensorID,
		bool	isU,
		int	chip
	)		const

inline

Return SVD chip index in the list of SVD chips.

Parameters

sensorID	VxdID of the sensor
isU	true for u side of the sensor
chip	Chip position on sensor (1-based)

Returns: Index of sensor in plots.

Definition at line 354 of file GeoTools.h.

◆ getSVDChipNumber()

unsigned short getSVDChipNumber ( VxdID chipID ) const

inline

Decode (1-based) chip number from a SVD ChipID.

Parameters

chipID VxdID with chip number encoded in Segment part.

Returns: Chip number on the respective sensor side.

Definition at line 403 of file GeoTools.h.

◆ getSVDLayers()

std::vector<unsigned short> getSVDLayers ( ) const

inline

Get numbers of SVD layers.

Returns: std::vector with numbers of SVD layers

Definition at line 74 of file GeoTools.h.

◆ getSVDSensorIndex() [1/2]

int getSVDSensorIndex	(	int	layer,
		int	ladder,
		int	sensor
	)		const

inline

Return index of SVD sensor in plots.

This is solely SVD counting starting from 0.

Parameters

layer	layer position of sensor
ladder	ladder position of sensor
sensor	sensor position of sensor

Returns: Index of sensor in plots.

Definition at line 330 of file GeoTools.h.

◆ getSVDSensorIndex() [2/2]

int getSVDSensorIndex ( VxdID sensorID ) const

inline

Return index of SVD sensor in plots.

This is solely SVD counting starting from 0.

Parameters

sensorID VxdID of the sensor

Returns: Index of sensor in plots.

Definition at line 318 of file GeoTools.h.

◆ getTotalPXDChips()

size_t getTotalPXDChips ( ) const

inline

Get total number of chips in PXD.

Returns: total number of chips in PXD

Definition at line 147 of file GeoTools.h.

◆ getTotalSVDChips()

size_t getTotalSVDChips ( ) const

inline

Get total number of chips in SVD.

Returns: total number of chips in SVD

Definition at line 170 of file GeoTools.h.

◆ isPXDSideU()

bool isPXDSideU ( VxdID chipID ) const

inline

Decode sensor side from a PXD ChipID.

Parameters

chipID VxdID with chip number encoded in Segment part.

Returns: true if the chip is on u-side.

Definition at line 295 of file GeoTools.h.

◆ isSVDSideU()

bool isSVDSideU ( VxdID chipID ) const

inline

Decode sensor side from a SVD ChipID.

Parameters

chipID VxdID with chip number encoded in Segment part.

Returns: true if the chip is on u-side.

Definition at line 393 of file GeoTools.h.

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

vxd/geometry/include/GeoTools.h
vxd/geometry/src/GeoTools.cc

Public Member Functions

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ GeoTools()

Member Function Documentation

◆ getChipIDFromPXDIndex()

◆ getChipIDFromSVDIndex()

◆ getFirstLayer()

◆ getFirstPXDLayer()

◆ getFirstSVDLayer()

◆ getLastLayer()

◆ getLastPXDLayer()

◆ getLastSVDLayer()

◆ getLayerIndex()

◆ getLayerNumberFromLayerIndex()

◆ getLayers()

◆ getNumberOfLayers()

◆ getNumberOfPXDLayers()

◆ getNumberOfPXDReadoutGates()

◆ getNumberOfPXDSensors()

◆ getNumberOfPXDUSideChips()

◆ getNumberOfPXDVSideChips()

◆ getNumberOfSensors()

◆ getNumberOfSVDLayers()

◆ getNumberOfSVDSensors()

◆ getNumberOfSVDUSideChips()

◆ getNumberOfSVDVSideChips()

◆ getPXDChipIndex() [1/2]

◆ getPXDChipIndex() [2/2]

◆ getPXDChipNumber()

◆ getPXDLayers()

◆ getPXDSensorIndex() [1/2]

◆ getPXDSensorIndex() [2/2]

◆ getSensorIDFromIndex()

◆ getSensorIDFromPXDIndex()

◆ getSensorIDFromSVDIndex()

◆ getSensorIndex()

◆ getSVDChannelsPerChip()

◆ getSVDChipIndex() [1/2]

◆ getSVDChipIndex() [2/2]

◆ getSVDChipNumber()

◆ getSVDLayers()

◆ getSVDSensorIndex() [1/2]

◆ getSVDSensorIndex() [2/2]

◆ getTotalPXDChips()

◆ getTotalSVDChips()

◆ isPXDSideU()

◆ isSVDSideU()