Classes
class	CrudeT0CalibrationAlgorithm
	Algorithm class for crude T0 calibration. 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	TimeWalkCalibration
	Class for Time walk calibration. More...

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

class	WireEfficiencyAlgorithm
	Class for Wire Efficiency estimation. 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...

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

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

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

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

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

class	GeoCDCCreator
	The GeoCDCCreator class. More...

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

class	CDCT0CalibrationCollectorModule
	Collect hit information for cdc calibration with CAF. 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	EDepInGas
	The Class for Energy deposit in the gas. More...

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

class	CDCChannelData
	CDCChannelData. More...

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

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

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

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

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

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	SimpleTDCCountTranslator
	Translator mirroring the simple Digitization. More...

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

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

enum	FitStatus { c_lowStat = -1 , c_fitFailure = 0 , c_OK = 1 , c_errorOuter = 2 , c_errorInner = 3 }
	Fit Status. 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 TVector3 &bwp, const TVector3 &fwp, const TVector3 &posIn, const TVector3 &posOut, TVector3 &hitPosition, TVector3 &wirePosition)
	Returns a closest distance between a track and a wire. More...

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

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

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

Detailed Description

Enumeration Type Documentation

◆ FitStatus

enum FitStatus

Fit Status.

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

Definition at line 44 of file XTCalibrationAlgorithm.h.

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

Function Documentation

◆ ClosestApproach()

double ClosestApproach	(	const TVector3 &	bwp,
		const TVector3 &	fwp,
		const TVector3 &	posIn,
		const TVector3 &	posOut,
		TVector3 &	hitPosition,
		TVector3 &	wirePosition
	)

Returns a closest distance between a track and a wire.

Parameters

bwp[in]	wire position at backward
fwp[in]	wire position at forward
posIn[in]	entrance position
posOut[in]	exit position
hitPosition[out]	track position corresp. to the closetst distance
wirePosition[out]	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();
       TVector3 tfwp = cdcgp.wireForwardPosition(layerId, cellId);
       G4ThreeVector fwp(tfwp.x(), tfwp.y(), tfwp.z());
       TVector3 tbwp = cdcgp.wireBackwardPosition(layerId, cellId);
       G4ThreeVector bwp(tbwp.x(), tbwp.y(), tbwp.z());
       */
  
       TVector3 wireLine = fwp - bwp;
       TVector3 hitLine = posOut - posIn;
  
       TVector3 hitXwire = hitLine.Cross(wireLine);
       TVector3 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 26 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 45 of file OpenFile.cc.

Classes

Enumerations

Functions

Variables

Detailed Description

Enumeration Type Documentation

◆ FitStatus

Function Documentation

◆ ClosestApproach()

◆ openFileA()

◆ openFileB()