The Class for CDC Geometry Parameters. More...

#include <CDCGeometryPar.h>

Collaboration diagram for CDCGeometryPar:

[legend]

Public Types
enum	EWirePosition { c_Base = 0 , c_Misaligned , c_Aligned }
	Wire position set.

Public Member Functions
virtual	~CDCGeometryPar ()
	Destructor.

void	clear ()
	Clears.

void	Print () const
	Print some debug information.

void	readFromDB (const CDCGeometry &)
	Gets geometry parameters from database.

void	readWirePositionParams (EWirePosition set, const CDCGeometry *geom)
	Read displacement or (mis)alignment params from text file. More...

void	setWirPosAlignParams ()
	Set wire alignment params. More...

void	setWirPosMisalignParams ()
	Set wire misalignment params. More...

void	readXT (const GearDir &gbxParams, int mode=0)
	Read XT-relation table. More...

void	newReadXT (const GearDir &gbxParams, int mode=0)
	Read XT-relation table in new format. More...

void	setXT ()
	Set XT-relation table (from DB).

void	setXtRel ()
	Set XT-relation table (from DB) (new).

void	readSigma (const GearDir &gbxParams, int mode=0)
	Read spatial resolution table. More...

void	newReadSigma (const GearDir &gbxParams, int mode=0)
	Read spatial resolution table in new format. More...

void	readFFactor (const GearDir &gbxParams, int mode=0)
	Read fudge factors. More...

void	setSResol ()
	Set spatial resolution (from DB).

void	setFFactor ()
	Set fudge factors (from DB).

void	readPropSpeed (const GearDir &gbxParams, int mode=0)
	Read the propagation speed along the sense wire. More...

void	setPropSpeed ()
	Set prop. More...

void	readT0 (const GearDir &gbxParams, int mode=0)
	Read t0 parameters (from a file). More...

void	setT0 ()
	Set t0 parameters (from DB)

void	calcMeanT0 (double minT0=3800, double maxT0=5800, int maxIt=10, double nStdv=3, double epsi=0.1)
	Calculate mean t0 in ns (over all good wires) More...

void	setBadWire ()
	Set bad-wires (from DB)

void	readChMap ()
	Read channel map between wire-id and electronics-id.

void	setChMap ()
	Set channel map (from DB)

void	readTW (const GearDir &gbxParams, int mode=0)
	Read time-walk parameter. More...

void	readEDepToADC (const GearDir &gbxParams, int mode=0)
	Read spatial edep-to-adc conv. More...

void	setTW ()
	Set time-walk parameters.

void	setEDepToADCConversions ()
	Set edep-to-ADC conversion params. More...

double	getEDepToADCConvFactor (unsigned short layer, unsigned short cell, double edep, double dx, double costh)
	Return edep-to-ADC conversion factor. More...

double	getEDepToADCMainFactor (unsigned short layer, unsigned short cell, double costh=0)
	Return edep-to-ADC conversion main factor (in count/keV) More...

double	getEDepToADCSigma (unsigned short layer, unsigned short cell)
	Return sigma for extra smearing of edep to ADC conversion. More...

void	generateXML (const std::string &of)
	Generate an xml file used in gearbox. More...

std::string	version () const
	Returns the version of cdc geometry parameters. More...

double	motherInnerR () const
	The method to get cdc mother volume inner R. More...

double	motherOuterR () const
	The method to get cdc mother volume outer R. More...

double	motherLength () const
	The method to get cdc mother volume length. More...

int	momBound () const
	to get the number of boundary position of the CDC mother volume More...

double	momZ (int iBound) const
	Returns boundary position in Z axis of the CDC mother volume. More...

double	momRmin (int iBound) const
	Returns inner radius of the CDC mother volume. More...

unsigned	cellId (unsigned layerId, const TVector3 &position) const
	The method to get cell id based on given layer id and the position. More...

double	innerRadiusOuterWall () const
	Returns the inner radius of the outer wall. More...

double	outerRadiusOuterWall () const
	Returns the outer radius of the outer wall. More...

double	zOuterWall () const
	Returns the length of the outer wall in Z. More...

double	zOffsetOuterWall () const
	Returns the offset of the outer wall in z direction. More...

double	innerRadiusInnerWall () const
	Returns the inner radius of the inner wall. More...

double	outerRadiusInnerWall () const
	Returns the outer radius of the inner wall. More...

double	zInnerWall () const
	Returns the length of the inner wall in Z. More...

double	zOffsetInnerWall () const
	Returns the offset of the outer wall in z direction. More...

double	senseWireDiameter () const
	Returns diameter of the sense wire. More...

double	fieldWireDiameter () const
	Returns diameter of the field wire. More...

unsigned	nWireLayers () const
	Returns a number of wire layers. More...

unsigned	nWiresInLayer (int layerId) const
	Returns wire numbers in a layer. More...

const double *	innerRadiusWireLayer () const
	Returns an array of inner radius of wire layers. More...

const double *	outerRadiusWireLayer () const
	Returns an array of outer radius of wire layers. More...

const double *	zForwardWireLayer () const
	Returns an array of forward z of wire layers. More...

const double *	zBackwardWireLayer () const
	Returns an array of backward z of wire layers. More...

double	zOffsetWireLayer (unsigned i) const
	Returns the offset of z of the wire layer i. More...

double	getMeanT0 () const
	Returns the mean t0 over all wires. More...

const TVector3	wireForwardPosition (int layerId, int cellId, EWirePosition set=c_Base) const
	Returns the forward position of the input sense wire. More...

const TVector3	wireForwardPosition (const WireID &wireID, EWirePosition set=c_Base) const
	The same function but in a different input format.

const TVector3	wireForwardPosition (int layerId, int cellId, double z, EWirePosition set=c_Base) const
	Returns a virtual forward position corresp. to a tangent to the wire at the input z-position. More...

const TVector3	wireForwardPosition (const WireID &wireID, double z, EWirePosition set=c_Base) const
	The same function but in a different input format.

const TVector3	wireBackwardPosition (int layerId, int cellId, EWirePosition set=c_Base) const
	Returns the backward position of the input sense wire. More...

const TVector3	wireBackwardPosition (const WireID &wireID, EWirePosition set=c_Base) const
	The same function but in a different input format.

const TVector3	wireBackwardPosition (int layerId, int cellId, double z, EWirePosition set=c_Base) const
	Returns a virtual backward position corresp. to a tangent to the wire at the input z-position. More...

const TVector3	wireBackwardPosition (const WireID &wireID, double z, EWirePosition set=c_Base) const
	The same function but in a different input format.

double	getWireSagCoef (EWirePosition set, int layerId, int cellId) const
	Returns coefficient for the sense wire sag. More...

double	getThresholdEnerguDeposit () const
	Returns threshold for energy deposit in one G4 step. More...

double	getMinTrackLength () const
	Returns the minimum track length required in one G4 step (only secondary particles which pass this criterion are to be saved in MCParticle) More...

bool	isWireSagOn () const
	Returns on/off for sense wire sag in FullSim.

bool	isModifiedLeftRightFlagOn () const
	Returns on/off for modified left/right calculation in FullSim.

float	getT0 (const WireID &wireID) const
	Returns t0 parameter of the specified sense wire. More...

unsigned short	getBoardID (const WireID &wID) const
	Returns frontend board id. corresponding to the wire id. More...

unsigned short	getChannelID (const WireID &wID) const
	Returns frontend channel id. corresponding to the wire id. More...

const WireID	getWireID (unsigned short bd, unsigned short ch) const
	Returns wire id. corresponding to the board-and-cannel ids. More...

double	getTimeWalk (const WireID &wID, unsigned short adcCount) const
	Returns time-walk. More...

void	setShiftInSuperLayer ()
	Calculates and saves shifts in super-layers (to be used in searching hits in neighboring cells)

signed short	getShiftInSuperLayer (unsigned short iSuperLayer, unsigned short iLayer) const
	Returns shift in the super-layer. More...

double	senseWireR (int layerId) const
	Returns radius of sense wire in each layer. More...

double	senseWireFZ (int layerId) const
	Returns forward z position of sense wire in each layer. More...

double	senseWireBZ (int layerId) const
	Returns backward z position of sense wire in each layer. More...

double	fieldWireR (int layerId) const
	Returns radius of field wire in each layer. More...

double	fieldWireFZ (int layerId) const
	Returns forward z position of field wire in each layer. More...

double	fieldWireBZ (int layerId) const
	Returns backward z position of field wire in each layer. More...

int	nShifts (int layerId) const
	Returns number shift. More...

double	offset (int layerID) const
	Return wire offset in phi direction at endplate. More...

void	setSenseWireR (int layerId, double r)
	Set radius of sense wire in each layer. More...

void	setSenseWireFZ (int layerId, double fz)
	Set forward z position of sense wires. More...

void	setSenseWireBZ (int layerId, double bz)
	set backward z position of sense wires. More...

unsigned short	getTdcOffset () const
	Return TDC offset value (default = 0 ch).

double	getTdcBinWidth () const
	Return TDC bin width (nsec).

double	getNominalDriftV () const
	Return the nominal drift velocity of He-ethane gas (default: 4.0x10^-3 cm/nsec).

double	getNominalPropSpeed () const
	Return the nominal propagation speed of the sense wire (default: 27.25 cm/nsec).

double	getNominalSpaceResol () const
	Return the nominal spacial resolution. More...

int	getMaterialDefinitionMode () const
	Return mode for material definition. More...

int	getSenseWireZposMode () const
	Return mode for sense wire z position. More...

double	getBwdDeltaZ (unsigned short layerID) const
	Return backward 'deltaZ'. More...

double	getFwdDeltaZ (unsigned short layerID) const
	Return forward 'deltaZ'. More...

void	setNominalSpaceResol (double resol)
	Set the nominal spacial resolution in the unit of um. More...

double	getPropSpeedInv (const unsigned int layerID) const
	Get the inversel of propagation speed in the sense wire. More...

bool	isBadWire (const WireID &wid)
	Inquire if the wire is totally-dead.

bool	isDeadWire (const WireID &wid, double &eff)
	Inquire if the wire is dead.

bool	isHotWire (const WireID &wid)
	Inquire if the wire is hot.

void	getWireSagEffect (EWirePosition set, unsigned layerID, unsigned cellID, double zw, double &ywb_sag, double &ywf_sag) const
	Compute effects of the sense wire sag. More...

double	getDriftV (double dt, unsigned short layer, unsigned short lr, double alpha=0., double theta=0.5 *M_PI) const
	Get the realistic drift velocity. More...

double	getDriftLength (double dt, unsigned short layer, unsigned short lr, double alpha=0., double theta=0.5 *M_PI, bool calculateMinTime=true, double minTime=0.) const
	Return the drift dength to the sense wire. More...

double	getDriftLength0 (double dt, unsigned short layer, unsigned short lr, double alpha=0., double theta=0.5 *M_PI) const
	Return the drift dength to the sense wire; tentative ver. More...

double	getMinDriftTime (unsigned short layer, unsigned short lr, double alpha=0., double theta=0.5 *M_PI) const
	Return the min. More...

double	getDriftTime (double dist, unsigned short layer, unsigned short lr, double alpha, double theta) const
	Return the drift time to the sense wire. More...

double	getSigma (double dist, unsigned short layer, unsigned short lr, double alpha=0., double theta=0.5 *M_PI) const
	Return the basic resolution of drift length (cm). More...

double	getFudgeFactorForSigma (unsigned short target) const
	Return the fuge factor for space resol. More...

unsigned short	getOldLeftRight (const TVector3 &posOnWire, const TVector3 &posOnTrack, const TVector3 &momentum) const
	Returns old left/right. More...

unsigned short	getNewLeftRightRaw (const TVector3 &posOnWire, const TVector3 &posOnTrack, const TVector3 &momentum) const
	Returns new left/right_raw. More...

double	getAlpha (const TVector3 &posOnWire, const TVector3 &momentum) const
	Returns track incident angle in rphi plane (alpha in rad.). More...

double	getTheta (const TVector3 &momentum) const
	Returns track incident angle (theta in rad.). More...

unsigned short	getOutgoingLR (const unsigned short lr, const double alpha) const
	Converts incoming-lr to outgoing-lr. More...

double	getOutgoingAlpha (const double alpha) const
	Converts incoming- to outgoing-alpha. More...

double	getOutgoingTheta (const double alpha, const double theta) const
	Converts incoming- to outgoing-theta. More...

void	getClosestAlphaPoints (const double alpha, double &wal, unsigned short points[2], unsigned short lrs[2]) const
	Returns the two closest alpha points for the input track incident angle (alpha).

void	getClosestAlphaPoints4Sgm (const double alpha, double &wal, unsigned short points[2], unsigned short lrs[2]) const
	Returns the two closest alpha points for sigma for the input track incident angle (alpha). More...

void	getClosestThetaPoints (const double alpha, const double theta, double &wth, unsigned short points[2]) const
	Returns the two closest theta points for the input track incident angle (theta).

void	getClosestThetaPoints4Sgm (const double alpha, const double theta, double &wth, unsigned short points[2]) const
	Returns the two closest theta points for sigma for the input track incident angle (theta).

void	setDesignWirParam (unsigned layerID, unsigned cellID)
	Set the desizend wire parameters. More...

void	outputDesignWirParam (unsigned layerID, unsigned cellID) const
	Write the designed wire parameters to the alignment.dat (default). More...

void	setDisplacement ()
	Set displacement of sense wire.

Static Public Member Functions
static CDCGeometryPar &	Instance (const CDCGeometry *=nullptr)
	Static method to get a reference to the CDCGeometryPar instance. More...

Private Member Functions
	CDCGeometryPar (const CDCGeometry *=nullptr)
	Singleton class.

	CDCGeometryPar (const CDCGeometryPar &)
	Singleton class.

CDCGeometryPar &	operator= (const CDCGeometryPar &)
	Singleton class.

Private Attributes
bool	m_debug
	Switch for debug printing.

bool	m_linearInterpolationOfXT
	Switch for linear interpolation of xt.

bool	m_linearInterpolationOfSgm
	Switch for linear interpolation of sigma.

bool	m_XTetc
	Switch for reading x-t etc. More...

bool	m_displacement
	Switch for displacement.

bool	m_misalignment
	Switch for misalignment.

bool	m_alignment
	Switch for alignment.

bool	m_XTetc4Recon
	Switch for selecting xt etc.

bool	m_wireSag
	Switch for sense wire sag.

bool	m_modLeftRightFlag
	Switch for modified left/right flag.

std::string	m_version
	The version of geometry parameters.

int	m_materialDefinitionMode
	Control switch for gas and wire material definition.

int	m_senseWireZposMode
	Mode for sense wire z position corr.

int	m_xtFileFormat
	Format of xt input file.

int	m_xtParamMode
	Mode for xt parameterization.

int	m_sigmaFileFormat
	Format of sigma input file.

int	m_sigmaParamMode
	Mode for sigma parameterization.

int	m_twParamMode
	Mode for tw parameterization.

int	m_nSLayer
	The number of sense wire layer.

int	m_nFLayer
	The number of field wire layer.

unsigned short	m_nAlphaPoints
	No. More...

unsigned short	m_nThetaPoints
	No. More...

unsigned short	m_nAlphaPoints4Sgm
	No. More...

unsigned short	m_nThetaPoints4Sgm
	No. More...

signed short	m_shiftInSuperLayer [nSuperLayers][8]
	shift in phi-direction wrt the 1st layer in each super layer

double	m_rWall [4]
	The array to store radius of inner wall and outer wall.

double	m_zWall [4][2]
	The array to store z position of inner wall and outer wall.

double	m_rSLayer [MAX_N_SLAYERS]
	The array to store radius of sense wire layers.

double	m_zSForwardLayer [MAX_N_SLAYERS]
	The array to store forward z position of sense wire layers.

double	m_dzSForwardLayer [MAX_N_SLAYERS]
	Corrections for forward z position of sense wire layers.

double	m_zSBackwardLayer [MAX_N_SLAYERS]
	The array to store backward z position of sense wire layers.

double	m_dzSBackwardLayer [MAX_N_SLAYERS]
	Corrections for backward z position of sense wire layers.

double	m_rFLayer [MAX_N_FLAYERS]
	The array to store radius of field wire layers.

double	m_zFForwardLayer [MAX_N_FLAYERS]
	The array to store forward z position of field wire layers.

double	m_zFBackwardLayer [MAX_N_FLAYERS]
	The array to store backward z position of field wire layers.

double	m_offSet [MAX_N_SLAYERS]
	The array to store z offset of sense wire layers.

double	m_cellSize [MAX_N_SLAYERS]
	The array to store cell size in each sense wire layer.

int	m_nShifts [MAX_N_SLAYERS]
	The array to store shifted cell number in each sense wire layer.

unsigned	m_nWires [MAX_N_SLAYERS]
	The array to store the wire number in each sense wire layre.

double	m_senseWireDiameter
	The diameter of sense wires.

double	m_senseWireTension
	The tension of sense wires.

double	m_senseWireDensity
	The density of sense wires.

double	m_fieldWireDiameter
	The diameter of field wires.

double	m_globalPhiRotation
	Global ratation in phi (rad.); only for sence wires now.

double	m_momZ [7]
	Z-cordinates of the cdc mother volume (7 segments).

double	m_momRmin [7]
	R_min of the cdc mother volume (7 segments). More...

double	m_thresholdEnergyDeposit
	Energy thresh. More...

double	m_minTrackLength
	Minimum track length for G4 step.

float	m_FWirPos [MAX_N_SLAYERS][MAX_N_SCELLS][3]
	Wire position incl. More...

float	m_BWirPos [MAX_N_SLAYERS][MAX_N_SCELLS][3]
	Wire position incl. More...

float	m_WireSagCoef [MAX_N_SLAYERS][MAX_N_SCELLS]
	Wire sag coefficient for each cell; ibid.

float	m_FWirPosMisalign [MAX_N_SLAYERS][MAX_N_SCELLS][3]
	Wire position incl. More...

float	m_BWirPosMisalign [MAX_N_SLAYERS][MAX_N_SCELLS][3]
	Wire position incl. More...

float	m_WireSagCoefMisalign [MAX_N_SLAYERS][MAX_N_SCELLS]
	Wire sag coefficient incl. More...

float	m_FWirPosAlign [MAX_N_SLAYERS][MAX_N_SCELLS][3]
	Wire position incl. More...

float	m_BWirPosAlign [MAX_N_SLAYERS][MAX_N_SCELLS][3]
	Wire position incl. More...

float	m_WireSagCoefAlign [MAX_N_SLAYERS][MAX_N_SCELLS]
	Wire sag coefficient incl. More...

float	m_eDepToADCParams [MAX_N_SLAYERS][MAX_N_SCELLS][7] = {0}
	edep-to-ADC conv. More...

float	m_alphaPoints [maxNAlphaPoints]
	alpha sampling points for xt (rad)

float	m_thetaPoints [maxNThetaPoints]
	theta sampling points for xt (rad)

float	m_alphaPoints4Sgm [maxNAlphaPoints]
	alpha sampling points for sigma (rad)

float	m_thetaPoints4Sgm [maxNThetaPoints]
	theta sampling points for sigma (rad)

float	m_XT [MAX_N_SLAYERS][2][maxNAlphaPoints][maxNThetaPoints][nXTParams]
	XT-relation coefficients for each layer, Left/Right, entrance angle and polar angle. More...

float	m_Sigma [MAX_N_SLAYERS][2][maxNAlphaPoints][maxNThetaPoints][nSigmaParams]
	position resulution for each layer.

float	m_propSpeedInv [MAX_N_SLAYERS]
	Inverse of propagation speed of the sense wire.

float	m_t0 [MAX_N_SLAYERS][MAX_N_SCELLS] = {0}
	t0 for each sense-wire (in nsec).

float	m_timeWalkCoef [nBoards][2]
	coefficients for time walk.

double	m_meanT0
	mean t0 over all wires; should be double.

std::map< WireID, unsigned short >	m_wireToBoard
	map relating wire-id and board-id.

std::map< WireID, unsigned short >	m_wireToChannel
	map relating wire-id and channel-id.

unsigned short	m_boardAndChannelToWire [nBoards][48]
	array relating board-channel-id and wire-id.

unsigned short	m_tdcOffset
	Not used; to be removed later.

double	m_clockFreq4TDC
	Clock frequency used for TDC (GHz).

double	m_tdcBinWidth
	TDC bin width (nsec/bin).

double	m_nominalDriftV
	Nominal drift velocity (4.0x10^-3 cm/nsec).

double	m_nominalDriftVInv
	Inverse of the nominal drift velocity.

double	m_nominalPropSpeed
	Nominal propagation speed of the sense wire (27.25 cm/nsec).

double	m_nominalSpaceResol
	Nominal spacial resolution (0.0130 cm).

double	m_maxSpaceResol
	max space resolution allowed (cm).

double	m_fudgeFactorForSigma [3]
	Fuge factor for space resol.

DBObjPtr< CDCTimeZeros > *	m_t0FromDB
	t0s retrieved from DB.

DBObjPtr< CDCBadWires > *	m_badWireFromDB
	bad-wires retrieved from DB.

DBObjPtr< CDCPropSpeeds > *	m_propSpeedFromDB
	prop. More...

DBObjPtr< CDCTimeWalks > *	m_timeWalkFromDB
	time-walk coeffs. More...

DBObjPtr< CDCXtRelations > *	m_xtRelFromDB
	xt params. More...

DBObjPtr< CDCSpaceResols > *	m_sResolFromDB
	sigma params. More...

DBObjPtr< CDCFudgeFactorsForSigma > *	m_fFactorFromDB
	fudge factors retrieved from DB.

DBArray< CDCChannelMap > *	m_chMapFromDB
	channel map retrieved from DB.

DBArray< CDCDisplacement > *	m_displacementFromDB
	displacement params. More...

DBObjPtr< CDCAlignment > *	m_alignmentFromDB
	alignment params. More...

DBObjPtr< CDCMisalignment > *	m_misalignmentFromDB
	misalignment params. More...

DBObjPtr< CDCEDepToADCConversions > *	m_eDepToADCConversionsFromDB
	Pointer to edep-to-ADC conv. More...

DBObjPtr< HardwareClockSettings >	m_clockSettings
	hardware clock settings

Static Private Attributes
static CDCGeometryPar *	m_B4CDCGeometryParDB = 0
	Pointer that saves the instance of this class.

Detailed Description

The Class for CDC Geometry Parameters.

This class provides CDC gemetry paramters for simulation, reconstruction and so on. These parameters are gotten from gearbox.

Definition at line 73 of file CDCGeometryPar.h.

Member Function Documentation

◆ calcMeanT0()

void calcMeanT0	(	double	minT0 = `3800`,
		double	maxT0 = `5800`,
		int	maxIt = `10`,
		double	nStdv = `3`,
		double	epsi = `0.1`
	)

Calculate mean t0 in ns (over all good wires)

Parameters

minT0	min. of t0 window (ns)
maxT0	max. of t0 window (ns)
maxIt	max. no. of iterations
nStdv	standard-deviation cut applied for next iteration
epsi	criterion for iteration stop (ns)

Definition at line 1310 of file CDCGeometryPar.cc.

 {
   double oldMeanT0 = 0;
   unsigned short it1 = 0;
   for (unsigned short it = 0; it < maxIt; ++it) {
     it1 = it;
     double effiSum = 0.;
     m_meanT0 = 0.;
     double stdvT0 = 0;
     for (unsigned short iCL = 0; iCL < MAX_N_SLAYERS; ++iCL) {
       for (unsigned short iW = 0; iW < m_nWires[iCL]; ++iW) {
         if (m_t0[iCL][iW] < minT0 || m_t0[iCL][iW] > maxT0) continue;
         const WireID wid = WireID(iCL, iW);
         if (isHotWire(wid)) continue;
         if (isBadWire(wid)) continue;
         double effi = 1.;
         isDeadWire(wid, effi);
         effiSum += effi;
         m_meanT0 += effi * m_t0[iCL][iW];
         stdvT0   += effi * m_t0[iCL][iW] * m_t0[iCL][iW];
       }
     }
     if (effiSum > 0.) {
       m_meanT0 /= effiSum;
       stdvT0   /= effiSum;
       stdvT0 = sqrt(fabs(stdvT0 - m_meanT0 * m_meanT0));
       B2DEBUG(29, it << " " << effiSum << " " << m_meanT0 << " " << stdvT0);
       if (fabs(m_meanT0 - oldMeanT0) < epsi) break;
       oldMeanT0 = m_meanT0;
       minT0 = m_meanT0 - nStdv * stdvT0;
       maxT0 = m_meanT0 + nStdv * stdvT0;
     } else {
       B2FATAL("Wire efficiency sum <= 0!");
     }
   }
   if (it1 == maxIt - 1) B2WARNING("Max. iterations(=" << maxIt << ") needed to calculte the mean t0. Strange.");
 }

◆ cellId()

unsigned cellId	(	unsigned	layerId,
		const TVector3 &	position
	)		const

The method to get cell id based on given layer id and the position.

Parameters

layerId	The given layer id.
position	The given position to calculate cell id.

Returns: Cell id.

Definition at line 1726 of file CDCGeometryPar.cc.

◆ fieldWireBZ()

double fieldWireBZ ( int layerId ) const

inline

Returns backward z position of field wire in each layer.

Parameters

layerId The layer id of field wires.

Returns: The backward z position of field wire in layer layerId.

Definition at line 1267 of file CDCGeometryPar.h.

     {
       return m_zFBackwardLayer[layerID];
     }

◆ fieldWireDiameter()

double fieldWireDiameter ( ) const

inline

Returns diameter of the field wire.

Returns: Diameter of the field wire.

Definition at line 1317 of file CDCGeometryPar.h.

◆ fieldWireFZ()

double fieldWireFZ ( int layerId ) const

inline

Returns forward z position of field wire in each layer.

Parameters

layerId The layer id of field wires.

Returns: The forward z position of field wire in layer layerId.

Definition at line 1262 of file CDCGeometryPar.h.

◆ fieldWireR()

double fieldWireR ( int layerId ) const

inline

Returns radius of field wire in each layer.

Parameters

layerId The layer id of field wires.

Returns: The radius of field wire in layer layerId.

Definition at line 1257 of file CDCGeometryPar.h.

◆ generateXML()

void generateXML ( const std::string & of )

Generate an xml file used in gearbox.

Parameters

of	The file name.

Definition at line 1770 of file CDCGeometryPar.cc.

◆ getAlpha()

double getAlpha	(	const TVector3 &	posOnWire,
		const TVector3 &	momentum
	)		const

Returns track incident angle in rphi plane (alpha in rad.).

Parameters

posOnWire	Position on the wire at the closest point.
momentum	Track momentum at the closest point.

Definition at line 2654 of file CDCGeometryPar.cc.

◆ getBoardID()

unsigned short getBoardID ( const WireID & wID ) const

inline

Returns frontend board id. corresponding to the wire id.

Parameters

wID wire id.

Returns: board id.

Definition at line 588 of file CDCGeometryPar.h.

◆ getBwdDeltaZ()

double getBwdDeltaZ ( unsigned short layerID ) const

inline

Return backward 'deltaZ'.

Parameters

[in] layerID (0-55)

Definition at line 812 of file CDCGeometryPar.h.

◆ getChannelID()

unsigned short getChannelID ( const WireID & wID ) const

inline

Returns frontend channel id. corresponding to the wire id.

Parameters

wID wire id.

Returns: channel id. (0-47)

Definition at line 600 of file CDCGeometryPar.h.

◆ getClosestAlphaPoints4Sgm()

void getClosestAlphaPoints4Sgm	(	const double	alpha,
		double &	wal,
		unsigned short	points[2],
		unsigned short	lrs[2]
	)		const

Returns the two closest alpha points for sigma for the input track incident angle (alpha).

TODO: unify the two getClosestAlphaPoints().

Definition at line 2735 of file CDCGeometryPar.cc.

◆ getDriftLength()

double getDriftLength	(	double	dt,
		unsigned short	layer,
		unsigned short	lr,
		double	alpha = `0.`,
		double	theta = `0.5 * M_PI`,
		bool	calculateMinTime = `true`,
		double	minTime = `0.`
	)		const

Return the drift dength to the sense wire.

Parameters

[in]	dt	Drift time (ns).
[in]	layer	Layer ID.
[in]	lr	Left/Right
[in]	alpha	incident angle (in rphi plane) w.r.t. the cell (rad).
[in]	theta	incident angle (polar angle) (rad).
	calculateMinTime	calculate min. drift time inside this function (=true) or feed as input (=false).
	minTime	input min. drift time when calculateMinTime=false.

Definition at line 2161 of file CDCGeometryPar.cc.

◆ getDriftLength0()

double getDriftLength0	(	double	dt,
		unsigned short	layer,
		unsigned short	lr,
		double	alpha = `0.`,
		double	theta = `0.5 * M_PI`
	)		const

Return the drift dength to the sense wire; tentative ver.

Parameters

[in]	dt	Drift time (ns).
[in]	layer	Layer ID.
[in]	lr	Left/Right
[in]	alpha	incident angle (in rphi plane) w.r.t. the cell (rad).
[in]	theta	incident angle (polar angle) (rad).

Definition at line 2083 of file CDCGeometryPar.cc.

◆ getDriftTime()

double getDriftTime	(	double	dist,
		unsigned short	layer,
		unsigned short	lr,
		double	alpha,
		double	theta
	)		const

Return the drift time to the sense wire.

Parameters

dist	Drift length (cm).
layer	Layer ID.
lr	Left/Right
alpha	incident angle (in rphi plane) w.r.t. the cell (rad).
theta	incident angle (polar angle) (rad).

Definition at line 2450 of file CDCGeometryPar.cc.

◆ getDriftV()

double getDriftV	(	double	dt,
		unsigned short	layer,
		unsigned short	lr,
		double	alpha = `0.`,
		double	theta = `0.5 * M_PI`
	)		const

Get the realistic drift velocity.

Parameters

[in]	dt	Drift time (ns).
[in]	layer	Layer ID.
[in]	lr	Left/Right
[in]	alpha	incident angle (in rphi plane) w.r.t. the cell (rad).
[in]	theta	incident angle (polar angle) (rad).

Definition at line 1999 of file CDCGeometryPar.cc.

◆ getEDepToADCConvFactor()

double getEDepToADCConvFactor	(	unsigned short	layer,
		unsigned short	cell,
		double	edep,
		double	dx,
		double	costh
	)

Return edep-to-ADC conversion factor.

Parameters

layer	no. (0-55)
cell	no. (0-)
edep	energy-deposit in the cell(keV).
dx	path length (cm) of the track in the cell.
costh	cos(theta) of track.

Definition at line 1569 of file CDCGeometryPar.cc.

◆ getEDepToADCMainFactor()

double getEDepToADCMainFactor	(	unsigned short	layer,
		unsigned short	cell,
		double	costh = `0`
	)

inline

Return edep-to-ADC conversion main factor (in count/keV)

Parameters

layer	no. (0-55)
cell	no. (0-)
costh	cosine of incident angle (theta) of particle

Definition at line 284 of file CDCGeometryPar.h.

◆ getEDepToADCSigma()

double getEDepToADCSigma	(	unsigned short	layer,
		unsigned short	cell
	)

inline

Return sigma for extra smearing of edep to ADC conversion.

Parameters

layer	no. (0-55)
cell	no. (0-)

Definition at line 293 of file CDCGeometryPar.h.

◆ getFudgeFactorForSigma()

double getFudgeFactorForSigma ( unsigned short target ) const

inline

Return the fuge factor for space resol.

Parameters

target target sigma: =0: for sigma in data reconstruction; =1: for sigma in MC recon.; =2: for sigma in digitization in MC

Definition at line 965 of file CDCGeometryPar.h.

◆ getFwdDeltaZ()

double getFwdDeltaZ ( unsigned short layerID ) const

inline

Return forward 'deltaZ'.

Parameters

[in] layerID (0-55)

Definition at line 822 of file CDCGeometryPar.h.

◆ getMaterialDefinitionMode()

int getMaterialDefinitionMode ( ) const

inline

Return mode for material definition.

Return value = 0: define a mixture of gases and wires in the entire tracking volume; =1: define two different mixtures: one for the inner volume (small cell), and the other for the outer volume (normal cell).

Definition at line 789 of file CDCGeometryPar.h.

◆ getMeanT0()

double getMeanT0 ( ) const

inline

Returns the mean t0 over all wires.

Returns: mean t0.

Definition at line 1342 of file CDCGeometryPar.h.

◆ getMinDriftTime()

double getMinDriftTime	(	unsigned short	layer,
		unsigned short	lr,
		double	alpha = `0.`,
		double	theta = `0.5 * M_PI`
	)		const

Return the min.

drift time (ns).

Parameters

[in]	layer	Layer ID.
[in]	lr	Left/Right
[in]	alpha	incident angle (in rphi plane) w.r.t. the cell (rad).
[in]	theta	incident angle (polar angle) (rad).

Definition at line 2260 of file CDCGeometryPar.cc.

◆ getMinTrackLength()

double getMinTrackLength ( ) const

inline

Returns the minimum track length required in one G4 step (only secondary particles which pass this criterion are to be saved in MCParticle)

Returns: length (cm)

Definition at line 550 of file CDCGeometryPar.h.

◆ getNewLeftRightRaw()

unsigned short getNewLeftRightRaw	(	const TVector3 &	posOnWire,
		const TVector3 &	posOnTrack,
		const TVector3 &	momentum
	)		const

Returns new left/right_raw.

Parameters

posOnWire	Position on the wire at the closest point.
posOnTrack	Position on the track at the closest point.
momentum	Track 3-momentum.

Definition at line 2645 of file CDCGeometryPar.cc.

◆ getNominalSpaceResol()

double getNominalSpaceResol ( ) const

inline

Return the nominal spacial resolution.

(default: 130 um defined in CDC.xml).

Definition at line 774 of file CDCGeometryPar.h.

◆ getOldLeftRight()

unsigned short getOldLeftRight	(	const TVector3 &	posOnWire,
		const TVector3 &	posOnTrack,
		const TVector3 &	momentum
	)		const

Returns old left/right.

Parameters

posOnWire	Position on the wire at the closest point.
posOnTrack	Position on the track at the closest point.
momentum	Track 3-momentum.

Definition at line 2610 of file CDCGeometryPar.cc.

◆ getOutgoingAlpha()

double getOutgoingAlpha ( const double alpha ) const

Converts incoming- to outgoing-alpha.

Parameters

alpha in rad.

Definition at line 2680 of file CDCGeometryPar.cc.

◆ getOutgoingLR()

unsigned short getOutgoingLR	(	const unsigned short	lr,
		const double	alpha
	)		const

Converts incoming-lr to outgoing-lr.

Parameters

lr	Left/Right flag.
alpha	Track incident angle in rphi-plane (rad).

Definition at line 2673 of file CDCGeometryPar.cc.

◆ getOutgoingTheta()

double getOutgoingTheta	(	const double	alpha,
		const double	theta
	)		const

Converts incoming- to outgoing-theta.

Parameters

alpha	in rad.
theta	in rad.

Definition at line 2693 of file CDCGeometryPar.cc.

◆ getPropSpeedInv()

double getPropSpeedInv ( const unsigned int layerID ) const

inline

Get the inversel of propagation speed in the sense wire.

Parameters

[in] layerID layer ID (0-55)

Definition at line 844 of file CDCGeometryPar.h.

◆ getSenseWireZposMode()

int getSenseWireZposMode ( ) const

inline

Return mode for sense wire z position.

Return value =0: define at the end-plate (gas side) with old design; =1: define at the bush inside the feedthrough with correction for the diff. betw. final- and old-design.

Definition at line 802 of file CDCGeometryPar.h.

◆ getShiftInSuperLayer()

signed short getShiftInSuperLayer	(	unsigned short	iSuperLayer,
		unsigned short	iLayer
	)		const

Returns shift in the super-layer.

Parameters

iSuperLayer	The super-layer id.
iLayer	The layer id. in the super-layer

Definition at line 2882 of file CDCGeometryPar.cc.

◆ getSigma()

double getSigma	(	double	dist,
		unsigned short	layer,
		unsigned short	lr,
		double	alpha = `0.`,
		double	theta = `0.5 * M_PI`
	)		const

Return the basic resolution of drift length (cm).

N.B. A fudge factor may be multiplied at the place where this is called; be careful.

Parameters

dist	Drift length (cm); negative dist is treated as \|dist\|.
layer	Layer id.
lr	Left/Right.
alpha	incident angle (in rphi plane) w.r.t. the cell (rad).
theta	incident angle (polar angle) (rad).

Definition at line 2502 of file CDCGeometryPar.cc.

◆ getT0()

float getT0 ( const WireID & wireID ) const

inline

Returns t0 parameter of the specified sense wire.

Parameters

wireID Wire id.

Returns: t0.

Definition at line 577 of file CDCGeometryPar.h.

◆ getTheta()

double getTheta ( const TVector3 & momentum ) const

Returns track incident angle (theta in rad.).

Parameters

momentum Track momentum at the closest point.

Definition at line 2667 of file CDCGeometryPar.cc.

◆ getThresholdEnerguDeposit()

double getThresholdEnerguDeposit ( ) const

inline

Returns threshold for energy deposit in one G4 step.

Returns: threshold (GeV)

Definition at line 541 of file CDCGeometryPar.h.

◆ getTimeWalk()

double getTimeWalk	(	const WireID &	wID,
		unsigned short	adcCount
	)		const

inline

Returns time-walk.

Parameters

wID	wire id
adcCount	ADC count

Returns: time-walk (in ns)

Definition at line 624 of file CDCGeometryPar.h.

◆ getWireID()

const WireID getWireID	(	unsigned short	bd,
		unsigned short	ch
	)		const

inline

Returns wire id. corresponding to the board-and-cannel ids.

Parameters

bd	board id. (1-300)
ch	channel id. (0-47)

Returns: wire id.

Definition at line 613 of file CDCGeometryPar.h.

◆ getWireSagCoef()

double getWireSagCoef	(	EWirePosition	set,
		int	layerId,
		int	cellId
	)		const

Returns coefficient for the sense wire sag.

Parameters

set	Wire position set; =c_Base, c_Misaligned or c_Aligned
layerId	The layer id.
cellId	The cell id.

Returns: Coefficient for the sense wire sag.

Definition at line 1691 of file CDCGeometryPar.cc.

◆ getWireSagEffect()

void getWireSagEffect	(	EWirePosition	set,
		unsigned	layerID,
		unsigned	cellID,
		double	zw,
		double &	ywb_sag,
		double &	ywf_sag
	)		const

Compute effects of the sense wire sag.

Parameters

[in]	set	Wire position set; =c_Base, c_Misaligned or c_Aligned
[in]	layerID	Layer ID
[in]	cellID	Cell ID in the layer
[in]	zw	Z-coord. (cm) at which the sense wire sag is computed
[out]	ywb_sag	Y-corrd. (cm) of intersection between a tangent and the backward endplate.
[out]	ywf_sag	Y-corrd. (cm) of intersection between a tangent and the forward endplate.

Attention: The tangent is computed from the first derivative of a paraboric wire (due to gravity) defined at Z.

Definition at line 1851 of file CDCGeometryPar.cc.

◆ innerRadiusInnerWall()

double innerRadiusInnerWall ( ) const

inline

Returns the inner radius of the inner wall.

Returns: The inner radius of the inner wall.

Definition at line 1287 of file CDCGeometryPar.h.

◆ innerRadiusOuterWall()

double innerRadiusOuterWall ( ) const

inline

Returns the inner radius of the outer wall.

Returns: The inner radius of the outer wall.

Definition at line 1272 of file CDCGeometryPar.h.

◆ innerRadiusWireLayer()

const double * innerRadiusWireLayer ( ) const

Returns an array of inner radius of wire layers.

Returns: An array of inner radius of wire layers.

Definition at line 1702 of file CDCGeometryPar.cc.

◆ Instance()

CDCGeometryPar & Instance ( const CDCGeometry * geom = nullptr )

static

Static method to get a reference to the CDCGeometryPar instance.

Returns: A reference to an instance of this class.

Definition at line 39 of file CDCGeometryPar.cc.

◆ momBound()

int momBound ( ) const

to get the number of boundary position of the CDC mother volume

Returns: The number of boundary position of the CDC mother volume.

◆ momRmin()

double momRmin ( int iBound ) const

inline

Returns inner radius of the CDC mother volume.

Parameters

iBound : The boundary id.

Returns: The inner radius of the specified baoundary position in the CDC mother volume

Definition at line 1207 of file CDCGeometryPar.h.

◆ momZ()

double momZ ( int iBound ) const

inline

Returns boundary position in Z axis of the CDC mother volume.

Parameters

iBound : The boundary id.

Returns: The z component of the specified baoundary position in the CDC mother volume

Definition at line 1202 of file CDCGeometryPar.h.

◆ motherInnerR()

double motherInnerR ( ) const

The method to get cdc mother volume inner R.

Returns: The inner radius of the cdc mother volume.

◆ motherLength()

double motherLength ( ) const

The method to get cdc mother volume length.

Returns: The length of the cdc mother volume.

◆ motherOuterR()

double motherOuterR ( ) const

The method to get cdc mother volume outer R.

Returns: The outer radius of the cdc mother volume.

◆ newReadSigma()

void newReadSigma	(	const GearDir &	gbxParams,
		int	mode = `0`
	)

Read spatial resolution table in new format.

Parameters

gbxParams	Gear Dir.
mode	0: read simulation file, 1: read reconstruction file.

Definition at line 888 of file CDCGeometryPar.cc.

◆ newReadXT()

void newReadXT	(	const GearDir &	gbxParams,
		int	mode = `0`
	)

Read XT-relation table in new format.

Parameters

[in]	gbxParams	Gear Dir.
[in]	mode	0: read simulation file, 1: read reconstruction file.

Definition at line 745 of file CDCGeometryPar.cc.

◆ nShifts()

int nShifts ( int layerId ) const

inline

Returns number shift.

Parameters

layerId The layer id of sense wires.

Returns: The shifted cell number in layer layerId.

Definition at line 1212 of file CDCGeometryPar.h.

◆ nWireLayers()

unsigned nWireLayers ( ) const

inline

Returns a number of wire layers.

Returns: The number of wire layers.

Definition at line 1322 of file CDCGeometryPar.h.

◆ nWiresInLayer()

unsigned nWiresInLayer ( int layerId ) const

inline

Returns wire numbers in a layer.

Parameters

layerId The layer id.

Returns: Wire number in layer layerId.

Definition at line 1222 of file CDCGeometryPar.h.

◆ offset()

double offset ( int layerID ) const

inline

Return wire offset in phi direction at endplate.

@parm layerID layerID(0-55).

Returns: offset value.

Definition at line 1217 of file CDCGeometryPar.h.

◆ outerRadiusInnerWall()

double outerRadiusInnerWall ( ) const

inline

Returns the outer radius of the inner wall.

Returns: The outer radius of the inner wall.

Definition at line 1292 of file CDCGeometryPar.h.

◆ outerRadiusOuterWall()

double outerRadiusOuterWall ( ) const

inline

Returns the outer radius of the outer wall.

Returns: The outer radius of the outer wall.

Definition at line 1277 of file CDCGeometryPar.h.

◆ outerRadiusWireLayer()

const double * outerRadiusWireLayer ( ) const

Returns an array of outer radius of wire layers.

Returns: A array of outer radius of wire layers.

Definition at line 1714 of file CDCGeometryPar.cc.

◆ outputDesignWirParam()

void outputDesignWirParam	(	unsigned	layerID,
		unsigned	cellID
	)		const

Write the designed wire parameters to the alignment.dat (default).

Parameters

[in]	layerID	Layer ID
[in]	cellID	Cell ID

Definition at line 1973 of file CDCGeometryPar.cc.

◆ readEDepToADC()

void readEDepToADC	(	const GearDir &	gbxParams,
		int	mode = `0`
	)

Read spatial edep-to-adc conv.

factors.

Parameters

gbxParams	Gear Dir.
mode	dummy now..

Definition at line 1224 of file CDCGeometryPar.cc.

◆ readFFactor()

void readFFactor	(	const GearDir &	gbxParams,
		int	mode = `0`
	)

Read fudge factors.

Parameters

gbxParams	Gear Dir.
mode	dummy now.

Definition at line 997 of file CDCGeometryPar.cc.

◆ readPropSpeed()

void readPropSpeed	(	const GearDir &	gbxParams,
		int	mode = `0`
	)

Read the propagation speed along the sense wire.

Parameters

gbxParams	Gear Dir.
mode	0: read simulation file, 1: read reconstruction file.

Definition at line 1009 of file CDCGeometryPar.cc.

◆ readSigma()

void readSigma	(	const GearDir &	gbxParams,
		int	mode = `0`
	)

Read spatial resolution table.

Parameters

gbxParams	Gear Dir.
mode	0: read simulation file, 1: read reconstruction file.

Definition at line 879 of file CDCGeometryPar.cc.

◆ readT0()

void readT0	(	const GearDir &	gbxParams,
		int	mode = `0`
	)

Read t0 parameters (from a file).

Parameters

gbxParams	Gear Dir.
mode	0: read simulation file, 1: read reconstruction file.

Definition at line 1077 of file CDCGeometryPar.cc.

◆ readTW()

void readTW	(	const GearDir &	gbxParams,
		int	mode = `0`
	)

Read time-walk parameter.

Parameters

gbxParams	Gear Dir.
mode	0: read simulation file, 1: read reconstruction file.

Definition at line 1154 of file CDCGeometryPar.cc.

◆ readWirePositionParams()

void readWirePositionParams	(	EWirePosition	set,
		const CDCGeometry *	geom
	)

Read displacement or (mis)alignment params from text file.

Parameters

[in]	set	Wire position set, i.e. c_Base, c_Misaliged or c_Aligned.
[in]	geom	Pointer to DB CDCGeometry db object.

Definition at line 527 of file CDCGeometryPar.cc.

◆ readXT()

void readXT	(	const GearDir &	gbxParams,
		int	mode = `0`
	)

Read XT-relation table.

Parameters

[in]	gbxParams	Gear Dir.
[in]	mode	0: read simulation file, 1: read reconstruction file.

Definition at line 734 of file CDCGeometryPar.cc.

◆ senseWireBZ()

double senseWireBZ ( int layerId ) const

inline

Returns backward z position of sense wire in each layer.

Parameters

layerId The layer id.

Returns: The backward z position of sense wire in layer layerId.

Definition at line 1252 of file CDCGeometryPar.h.

◆ senseWireDiameter()

double senseWireDiameter ( ) const

inline

Returns diameter of the sense wire.

Returns: Diameter of the sense wire.

Definition at line 1312 of file CDCGeometryPar.h.

◆ senseWireFZ()

double senseWireFZ ( int layerId ) const

inline

Returns forward z position of sense wire in each layer.

Parameters

layerId The layer id.

Returns: The forward z position of sense wire in layer layerId.

Definition at line 1247 of file CDCGeometryPar.h.

◆ senseWireR()

double senseWireR ( int layerId ) const

inline

Returns radius of sense wire in each layer.

Parameters

layerId The layer id.

Returns: The radius of sense wire in layer layerId.

Definition at line 1242 of file CDCGeometryPar.h.

◆ setDesignWirParam()

void setDesignWirParam	(	unsigned	layerID,
		unsigned	cellID
	)

Set the desizend wire parameters.

Parameters

[in]	layerID	Layer ID
[in]	cellID	Cell ID

Definition at line 1937 of file CDCGeometryPar.cc.

◆ setEDepToADCConversions()

void setEDepToADCConversions ( )

Set edep-to-ADC conversion params.

(from DB)

Definition at line 1524 of file CDCGeometryPar.cc.

◆ setNominalSpaceResol()

void setNominalSpaceResol ( double resol )

inline

Set the nominal spacial resolution in the unit of um.

Parameters

[in] resol spacial resolution (um)

Definition at line 833 of file CDCGeometryPar.h.

◆ setPropSpeed()

void setPropSpeed ( )

Set prop.

-speeds (from DB).

Definition at line 1358 of file CDCGeometryPar.cc.

◆ setSenseWireBZ()

void setSenseWireBZ	(	int	layerId,
		double	bz
	)

inline

set backward z position of sense wires.

Parameters

layerId	The layer id of sense wire.
bz	The backward position of sense wires in layer layerId.

Definition at line 1237 of file CDCGeometryPar.h.

◆ setSenseWireFZ()

void setSenseWireFZ	(	int	layerId,
		double	fz
	)

inline

Set forward z position of sense wires.

Parameters

layerId	The layer id of sense wire.
fz	The forward position of sense wires in layer layerId.

Definition at line 1232 of file CDCGeometryPar.h.

◆ setSenseWireR()

void setSenseWireR	(	int	layerId,
		double	r
	)

inline

Set radius of sense wire in each layer.

Parameters

layerId	The layer id of sense wires.
r	The radius of sense wires in layer layerId.

Definition at line 1227 of file CDCGeometryPar.h.

◆ setWirPosAlignParams()

void setWirPosAlignParams ( )

Set wire alignment params.

from DB.

Definition at line 625 of file CDCGeometryPar.cc.

◆ setWirPosMisalignParams()

void setWirPosMisalignParams ( )

Set wire misalignment params.

from DB.

Definition at line 699 of file CDCGeometryPar.cc.

◆ version()

std::string version ( ) const

inline

Returns the version of cdc geometry parameters.

Returns: The version of the cdc geometry parameters.

Definition at line 1197 of file CDCGeometryPar.h.

◆ wireBackwardPosition() [1/2]

const TVector3 wireBackwardPosition	(	int	layerId,
		int	cellId,
		double	z,
		EWirePosition	set = `c_Base`
	)		const

Returns a virtual backward position corresp. to a tangent to the wire at the input z-position.

Parameters

layerId	The layer id. of the wire
cellId	The wire id. of the wire
z	z-position
set	Wire position set; =c_Base, c_Misaligned or c_Aligned

Returns: The virtual backward position of the wire.

Definition at line 1673 of file CDCGeometryPar.cc.

◆ wireBackwardPosition() [2/2]

const TVector3 wireBackwardPosition	(	int	layerId,
		int	cellId,
		EWirePosition	set = `c_Base`
	)		const

Returns the backward position of the input sense wire.

Parameters

layerId	The layer id. of the wire
cellId	The wire id. of the wire
set	Wire position set; =c_Base, c_Misaligned or c_Aligned

Returns: The backward position of the wire.

Definition at line 1655 of file CDCGeometryPar.cc.

◆ wireForwardPosition() [1/2]

const TVector3 wireForwardPosition	(	int	layerId,
		int	cellId,
		double	z,
		EWirePosition	set = `c_Base`
	)		const

Returns a virtual forward position corresp. to a tangent to the wire at the input z-position.

Parameters

layerId	The layer id. of the wire
cellId	The wire id. of the wire
z	z-position
set	Wire position set; =c_Base, c_Misaligned or c_Aligned

Returns: The virtual forward position of the wire.

Definition at line 1637 of file CDCGeometryPar.cc.

◆ wireForwardPosition() [2/2]

const TVector3 wireForwardPosition	(	int	layerId,
		int	cellId,
		EWirePosition	set = `c_Base`
	)		const

Returns the forward position of the input sense wire.

Parameters

layerId	The layer id. of the wire
cellId	The wire id. of the wire
set	Wire position set; =c_Base, c_Misaligned or c_Aligned

Returns: The forward position of the wire.

Definition at line 1618 of file CDCGeometryPar.cc.

◆ zBackwardWireLayer()

const double * zBackwardWireLayer ( ) const

inline

Returns an array of backward z of wire layers.

Returns: An array of backward z.

Definition at line 1332 of file CDCGeometryPar.h.

◆ zForwardWireLayer()

const double * zForwardWireLayer ( ) const

inline

Returns an array of forward z of wire layers.

Returns: An array of forward z.

Definition at line 1327 of file CDCGeometryPar.h.

◆ zInnerWall()

double zInnerWall ( ) const

inline

Returns the length of the inner wall in Z.

Returns: The length of the inner wall.

Definition at line 1297 of file CDCGeometryPar.h.

◆ zOffsetInnerWall()

double zOffsetInnerWall ( ) const

inline

Returns the offset of the outer wall in z direction.

Returns: The z offset of the outer wall.

Definition at line 1307 of file CDCGeometryPar.h.

◆ zOffsetOuterWall()

double zOffsetOuterWall ( ) const

inline

Returns the offset of the outer wall in z direction.

Returns: The z offset of the outer wall.

Definition at line 1302 of file CDCGeometryPar.h.

◆ zOffsetWireLayer()

double zOffsetWireLayer ( unsigned i ) const

inline

Returns the offset of z of the wire layer i.

Parameters

i	The layer id.

Returns: The z offset of wire layer i.

Definition at line 1337 of file CDCGeometryPar.h.

◆ zOuterWall()

double zOuterWall ( ) const

inline

Returns the length of the outer wall in Z.

Returns: The length of the outer wall.

Definition at line 1138 of file CDCGeometryPar.h.

◆ m_XT

float m_XT[MAX_N_SLAYERS][2][maxNAlphaPoints][maxNThetaPoints][nXTParams]

private

XT-relation coefficients for each layer, Left/Right, entrance angle and polar angle.

Definition at line 1150 of file CDCGeometryPar.h.

◆ m_XTetc

bool m_XTetc

private

Switch for reading x-t etc.

params..

Definition at line 1075 of file CDCGeometryPar.h.

◆ m_xtRelFromDB

DBObjPtr<CDCXtRelations>* m_xtRelFromDB

private

xt params.

retrieved from DB (new).

Definition at line 1179 of file CDCGeometryPar.h.

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

cdc/geometry/include/CDCGeometryPar.h
cdc/geometry/src/CDCGeometryPar.cc

Public Types

Public Member Functions

Static Public Member Functions

Private Member Functions

Private Attributes

Static Private Attributes

Detailed Description

Member Function Documentation

◆ calcMeanT0()

◆ cellId()

◆ fieldWireBZ()

◆ fieldWireDiameter()

◆ fieldWireFZ()

◆ fieldWireR()

◆ generateXML()

◆ getAlpha()

◆ getBoardID()

◆ getBwdDeltaZ()

◆ getChannelID()

◆ getClosestAlphaPoints4Sgm()

◆ getDriftLength()

◆ getDriftLength0()

◆ getDriftTime()

◆ getDriftV()

◆ getEDepToADCConvFactor()

◆ getEDepToADCMainFactor()

◆ getEDepToADCSigma()

◆ getFudgeFactorForSigma()

◆ getFwdDeltaZ()

◆ getMaterialDefinitionMode()

◆ getMeanT0()

◆ getMinDriftTime()

◆ getMinTrackLength()

◆ getNewLeftRightRaw()

◆ getNominalSpaceResol()

◆ getOldLeftRight()

◆ getOutgoingAlpha()

◆ getOutgoingLR()

◆ getOutgoingTheta()

◆ getPropSpeedInv()

◆ getSenseWireZposMode()

◆ getShiftInSuperLayer()

◆ getSigma()

◆ getT0()

◆ getTheta()

◆ getThresholdEnerguDeposit()

◆ getTimeWalk()

◆ getWireID()

◆ getWireSagCoef()

◆ getWireSagEffect()

◆ innerRadiusInnerWall()

◆ innerRadiusOuterWall()

◆ innerRadiusWireLayer()

◆ Instance()

◆ momBound()

◆ momRmin()

◆ momZ()

◆ motherInnerR()

◆ motherLength()

◆ motherOuterR()

◆ newReadSigma()

◆ newReadXT()

◆ nShifts()

◆ nWireLayers()

◆ nWiresInLayer()

◆ offset()

◆ outerRadiusInnerWall()

◆ outerRadiusOuterWall()

◆ outerRadiusWireLayer()

◆ outputDesignWirParam()

◆ readEDepToADC()

◆ readFFactor()

◆ readPropSpeed()

◆ readSigma()

◆ readT0()

◆ readTW()

◆ readWirePositionParams()

◆ readXT()

◆ senseWireBZ()

◆ senseWireDiameter()