Namespaces
namespace	NWireNeighborKind
	Namespace hiding the constants of the enum.

Classes
class	ADCCountTranslatorBase
	Abstract Base class for the ADC count translator. More...

class	CDCBadWireCollectorModule
	Collect hit information for cdc calibration with CAF. More...

class	CDCCalibrationCollectorModule
	Collect hit information for cdc calibration with CAF. More...

class	CDCChannelData
	CDCChannelData. More...

class	CDCCosmicAnalysisModule
	Analysis module for CDC CR data. More...

class	CDCCRTestModule
	CDC Cosmic test calibration module. More...

class	CDCCrudeT0CollectorModule
	Collector for crude t0. More...

class	CDCFudgeFactorCalibrationCollectorModule
	Collect hit information for cdc calibration with CAF. More...

class	CDCGeoControlPar
	The Class for CDC Geometry Control Parameters. More...

class	CDCGeometryLoader
	Load the CDC geometry from the conditions database. More...

class	CDCGeometryPar
	The Class for CDC Geometry Parameters. More...

class	CDCGeometryTranslatorBase
	Abstract Base class for the geometry translator. More...

class	CDCHitFilterModule
	CDCHitFilter: Filters CDC hits according to given configuration criteria. More...

class	CDCPackerModule
	CDCPackerModule: The CDC Raw Hits Decoder. More...

class	CDCRecoTrackFilterModule
	The module excluding hits of specified Slayers in the RecoTracks. More...

class	CDCSensitiveDetector
	The Class for CDC Sensitive Detector. More...

class	CDCSimControlPar
	The Class for CDC Simulation Control Parameters. More...

class	CDCT0CalibrationCollectorModule
	Collect hit information for cdc calibration with CAF. More...

class	CDCUnpackerModule
	CDCUnpackerModule: The CDC Raw Hits Decoder. More...

class	CDCWire
	Class representing a sense wire in the central drift chamber. More...

class	CDCWireLayer
	Class representing a sense wire layer in the central drift chamber. More...

class	CDCWireSuperLayer
	Class representing a sense wire superlayer in the central drift chamber. More...

class	CDCWireTopology
	Class representing the sense wire arrangement in the whole of the central drift chamber. More...

class	CrudeT0CalibrationAlgorithm
	Algorithm class for crude T0 calibration. More...

class	EDepInGas
	The Class for Energy deposit in the gas. More...

class	FudgeFactorCalibrationAlgorithm
	Class for CDC fudge factor calibration . More...

class	GeoCDCCreator
	The GeoCDCCreator class. More...

class	GeoCDCCreatorReducedCDCNoSL0SL1
	The GeoCDCCreatorReducedCDCNoSL0SL1 class. More...

struct	GetEStereoKind
	Generic functor to get the stereo kind from an object. More...

struct	GetILayer
	Generic functor to get the superlayer id from an object. More...

struct	GetISuperLayer
	Generic functor to get the superlayer id from an object. More...

class	Helix
	Helix parameter class. More...

class	IdealCDCGeometryTranslator
	This class uses the ideal detector geometry for the translation of wire IDs into geometric positions. More...

struct	ISuperLayerUtil
	This is a utility class for the free ISuperLayer type. More...

struct	IWireUtil
	This is a utility class for the free IWire type. More...

class	LinearGlobalADCCountTranslator
	This class simply assumes a linear translation through (0,0) More...

class	RealisticCDCGeometryTranslator
	This class uses the realistic detector geometry (the one after alignment procedure) for the translation of wire IDs into geometric positions. More...

class	RealisticTDCCountTranslator
	Translator mirroring the realistic Digitization. More...

class	SpaceResolutionCalibration
	Class for Space resolution calibration. More...

class	SpaceResolutionCalibrationAlgorithm
	Class for Space resolution calibration. More...

class	T0CalibrationAlgorithm
	Class for T0 Correction . More...

class	T0Correction
	Class for T0 Correction . More...

class	TDCCountTranslatorBase
	Base class for translation of Drift Time into Drift Length. More...

class	TimeWalkCalibration
	Class for Time walk calibration. More...

class	TimeWalkCalibrationAlgorithm
	Class for Time walk calibration. More...

class	WireEfficiencyAlgorithm
	Class for Wire Efficiency estimation. More...

class	WireLine
	A three dimensional limited line represented by its closest approach to the z-axes (reference position ) and its skew parameter. More...

class	WireNeighborKind
	Type for the neighbor relationship from one wire to another. More...

class	WireNeighborPair
	Class representing a pair of neighbors in the CDC in a single layer For certain circumstances it is allowed that both wires point to nullptr, e.g. More...

class	XTCalibration
	Class to perform xt calibration for drift chamber. More...

class	XTCalibrationAlgorithm
	Class to perform xt calibration for drift chamber. More...

class	XTFunction
	Class to perform fitting for each xt function. More...

Typedefs
using	EWireNeighborKind = NWireNeighborKind::EWireNeighborKind
	Importing only the enum but not the constants.

using	EWirePosition = CDCGeometryPar::EWirePosition
	For ease-of-use just create a new alias for CDCGeometryPar::EWirePosition.

using	ILayer = signed short
	The type of the layer ids enumerating layers within a superlayer.

using	ISuperLayer = signed short
	The type of the layer and superlayer ids.

using	IWire = signed short
	The type of the wire ids enumerating wires within a given layer.

Enumerations
enum	{ c_Left = 0 , c_Right = 1 }
	Argument LR. More...

enum	{ c_Polynomial = 0 , c_Chebyshev = 1 }
	Argument of fitting function. More...

enum	FitStatus { c_lowStat = -1 , c_fitFailure = 0 , c_OK = 1 , c_errorOuter = 2 , c_errorInner = 3 }
	Fit Status. More...

enum class	EStereoKind { c_Axial = 0 , c_StereoV = -1 , c_StereoU = 1 , c_Invalid = -999 }
	Type for the stereo property of the wire. More...

Functions
Double_t	pol5pol1 (Double_t x, Double_t par)
	helper function to initialize xt function with 5th order polynomial + linear.

Double_t	cheby5pol1 (Double_t x, Double_t par)
	helper function to initialize xt function with 5th order Chebshev Polynomial + linear.

double	ClosestApproach (const B2Vector3D &bwp, const B2Vector3D &fwp, const B2Vector3D &posIn, const B2Vector3D &posOut, B2Vector3D &hitPosition, B2Vector3D &wirePosition)
	Returns a closest distance between a track and a wire.

void	openFileA (std::ifstream &ifs, const std::string &fileName0)
	Open a file.

void	openFileB (boost::iostreams::filtering_istream &ifs, const std::string &fileName0)
	Open a file using boost (to be able to read a gzipped file)

Variables
geometry::CreatorFactory< GeoCDCCreator >	GeoCDCFactory ("CDCCreator")
	Register the GeoCreator.

geometry::CreatorFactory< GeoCDCCreatorReducedCDCNoSL0SL1 >	GeoCDCFactoryReducedCDCNoSL0SL1 ("CDCCreatorReducedCDCNoSL0SL1")
	Register the GeoCreator.

Detailed Description

Typedef Documentation

◆ EWireNeighborKind

using EWireNeighborKind = NWireNeighborKind::EWireNeighborKind

Importing only the enum but not the constants.

Definition at line 47 of file EWireNeighborKind.h.

◆ EWirePosition

using EWirePosition = CDCGeometryPar::EWirePosition

For ease-of-use just create a new alias for CDCGeometryPar::EWirePosition.

Definition at line 19 of file EWirePosition.h.

◆ ILayer

using ILayer = signed short

The type of the layer ids enumerating layers within a superlayer.

Definition at line 18 of file ILayer.h.

◆ ISuperLayer

using ISuperLayer = signed short

The type of the layer and superlayer ids.

Definition at line 24 of file ISuperLayer.h.

◆ IWire

using IWire = signed short

The type of the wire ids enumerating wires within a given layer.

Definition at line 20 of file IWire.h.

Enumeration Type Documentation

◆ anonymous enum

anonymous enum

Argument of fitting function.

Definition at line 34 of file XTCalibrationAlgorithm.h.

34{c_Polynomial = 0, c_Chebyshev = 1};

◆ anonymous enum

anonymous enum

Argument LR.

Definition at line 29 of file XTCalibrationAlgorithm.h.

29{c_Left = 0, c_Right = 1};

◆ EStereoKind

enum class EStereoKind

strong

Type for the stereo property of the wire.

Enumerator
c_Axial	Constant for an axial wire.
c_StereoV	Constant for an stereo wire in the V configuration.
c_StereoU	Constant for an stereo wire in the U configuration.
c_Invalid	Constant for an invalid stereo information.

Definition at line 20 of file EStereoKind.h.

                           {
      c_Axial = 0,
      c_StereoV = -1,
      c_StereoU = 1,
      c_Invalid = -999,
    };

◆ FitStatus

enum FitStatus

Fit Status.

=-1: low statistic =1: good =0: Fit failure =2: Error Outer =3: Error Inner part;

Definition at line 45 of file XTCalibrationAlgorithm.h.

                   {c_lowStat = -1, c_fitFailure = 0, c_OK = 1,
                    c_errorOuter = 2, c_errorInner = 3
                   };

Function Documentation

◆ cheby5pol1()

Double_t cheby5pol1	(	Double_t *	x,
		Double_t *	par )

helper function to initialize xt function with 5th order Chebshev Polynomial + linear.

Definition at line 48 of file XTFunction.h.

    {
      Double_t xx = x[0];
      Double_t x6, x2;
      Double_t f, ctp;
 
      if (xx < par[6]) {
        f = ROOT::Math::Chebyshev5(xx, par[0], par[1], par[2], par[3], par[4], par[5]);
      } else {
        x6 = par[6];
        x2 = xx - x6;
        ctp = ROOT::Math::Chebyshev5(x6, par[0], par[1], par[2], par[3], par[4], par[5]);
        f = par[7] * x2 + ctp;
      }
      return f;
    }

◆ ClosestApproach()

double ClosestApproach	(	const B2Vector3D &	bwp,
		const B2Vector3D &	fwp,
		const B2Vector3D &	posIn,
		const B2Vector3D &	posOut,
		B2Vector3D &	hitPosition,
		B2Vector3D &	wirePosition )

Returns a closest distance between a track and a wire.

Parameters

[in]	bwp	wire position at backward
[in]	fwp	wire position at forward
[in]	posIn	entrance position
[in]	posOut	exit position
[out]	hitPosition	track position corresp. to the closetst distance
[out]	wirePosition	wire position corresp. to the closetst distance

Definition at line 17 of file ClosestApproach.cc.

    {
      //----------------------------------------------------------
      /* For two lines r=r1+t1.v1 & r=r2+t2.v2
      the closest approach is d=|(r2-r1).(v1 x v2)|/|v1 x v2|
      the point where closest approach are
      t1=(v1 x v2).[(r2-r1) x v2]/[(v1 x v2).(v1 x v2)]
      t2=(v1 x v2).[(r2-r1) x v1]/[(v1 x v2).(v1 x v2)]
      if v1 x v2=0 means two lines are parallel
      d=|(r2-r1) x v1|/|v1|
      */
 
      double t2, distance;
 
      //--------------------------
      // Get wirepoint @ endplate
      //--------------------------
      /*  CDCGeometryPar& cdcgp = CDCGeometryPar::Instance();
      B2Vector3D tfwp = cdcgp.wireForwardPosition(layerId, cellId);
      G4ThreeVector fwp(tfwp.X(), tfwp.Y(), tfwp.Z());
      B2Vector3D tbwp = cdcgp.wireBackwardPosition(layerId, cellId);
      G4ThreeVector bwp(tbwp.X(), tbwp.Y(), tbwp.Z());
      */
 
      B2Vector3D wireLine = fwp - bwp;
      B2Vector3D hitLine = posOut - posIn;
 
      B2Vector3D hitXwire = hitLine.Cross(wireLine);
      B2Vector3D wire2hit = fwp - posOut;
 
      //----------------------------------------------------------------
      // Hitposition is the position on hit line where closest approach
      // of two lines, but it may out the area from posIn to posOut
      //----------------------------------------------------------------
      if (hitXwire.Mag() == 0) {
        distance = wireLine.Cross(wire2hit).Mag() / wireLine.Mag();
        hitPosition = posIn;
        t2 = (posIn - fwp).Dot(wireLine) / wireLine.Mag2();
      } else {
        double t1 = hitXwire.Dot(wire2hit.Cross(wireLine)) / hitXwire.Mag2();
        hitPosition = posOut + t1 * hitLine;
        t2 = hitXwire.Dot(wire2hit.Cross(hitLine)) / hitXwire.Mag2();
 
        //should not constrain hitPosition inside the cell
        //        double dInOut = (posOut - posIn).Mag();
        //        double dHitIn = (hitPosition - posIn).Mag();
        //        double dHitOut = (hitPosition - posOut).Mag();
        //        if (dHitIn <= dInOut && dHitOut <= dInOut) { //Between point in & out
        distance = fabs(wire2hit.Dot(hitXwire) / hitXwire.Mag());
        /*
              } else if (dHitOut > dHitIn) { // out posIn
                distance = wireLine.Cross(posIn - fwp).Mag() / wireLine.Mag();
                hitPosition = posIn;
                t2 = (posIn - fwp).Dot(wireLine) / wireLine.Mag2();
              } else { // out posOut
                distance = wireLine.Cross(posOut - fwp).Mag() / wireLine.Mag();
                hitPosition = posOut;
                t2 = (posOut - fwp).Dot(wireLine) / wireLine.Mag2();
              }
        */
      }
 
      wirePosition = fwp + t2 * wireLine;
      return distance;
    }

◆ openFileA()

void openFileA	(	std::ifstream &	ifs,
		const std::string &	fileName0 )

Open a file.

Parameters

[in]	ifs	input file-stream
[in]	fileName0	file-name on cdc/data directory

Definition at line 25 of file OpenFile.cc.

    {
      std::string fileName1 = "/data/cdc/" + fileName0;
      std::string fileName = FileSystem::findFile(fileName1, true);
 
      if (fileName == "") {
        fileName = FileSystem::findFile(fileName0, true);
      }
 
      if (fileName == "") {
        B2FATAL("CDC::openFile: " << fileName0 << " not exist!");
      } else {
        B2INFO("CDC::openFile: open " << fileName);
        ifs.open(fileName.c_str());
        if (!ifs) B2FATAL("CDC::openFile: cannot open " << fileName << " !");
      }
    }

◆ openFileB()

void openFileB	(	boost::iostreams::filtering_istream &	ifs,
		const std::string &	fileName0 )

Open a file using boost (to be able to read a gzipped file)

Parameters

[in]	ifs	input file-stream
[in]	fileName0	file-name on cdc/data directory

Definition at line 44 of file OpenFile.cc.

    {
      std::string fileName1 = "/data/cdc/" + fileName0;
      std::string fileName = FileSystem::findFile(fileName1, true);
 
      if (fileName == "") {
        fileName = FileSystem::findFile(fileName0, true);
      }
 
      if (fileName == "") {
        B2FATAL("CDC::openFile: " << fileName0 << " not exist!");
      } else {
        B2INFO("CDC::openFile: open " << fileName);
        if ((fileName.rfind(".gz") != string::npos) && (fileName.length() - fileName.rfind(".gz") == 3)) {
          ifs.push(boost::iostreams::gzip_decompressor());
        }
        ifs.push(boost::iostreams::file_source(fileName));
        if (!ifs) B2FATAL("CDC::openFile: cannot open " << fileName << " !");
      }
    }

◆ pol5pol1()

Double_t pol5pol1	(	Double_t *	x,
		Double_t *	par )

helper function to initialize xt function with 5th order polynomial + linear.

Definition at line 27 of file XTFunction.h.

    {
      Double_t xx = x[0];
      Double_t x6, x2;
      Double_t f, ctp;
      if (xx < par[6]) {
        f = par[0] + par[1] * xx + par[2] * xx * xx + par[3] * xx * xx * xx + par[4] * xx * xx * xx * xx + par[5] * xx * xx * xx * xx * xx;
      } else {
        x6 = par[6];
        x2 = xx - x6;
        ctp = par[0] + par[1] * x6 + par[2] * x6 * x6 + par[3] * x6 * x6 * x6 + par[4] * x6 * x6 * x6 * x6 + par[5] * x6 * x6 * x6 * x6 *
              x6;
        f = par[7] * x2 + ctp;
      }
      return f;
    }

Namespaces

Classes

Typedefs

Enumerations

Functions

Variables

Detailed Description

Typedef Documentation

◆ EWireNeighborKind

◆ EWirePosition

◆ ILayer

◆ ISuperLayer

◆ IWire

Enumeration Type Documentation

◆ anonymous enum

◆ anonymous enum

◆ EStereoKind

◆ FitStatus

Function Documentation

◆ cheby5pol1()

◆ ClosestApproach()

◆ openFileA()

◆ openFileB()

◆ pol5pol1()