AliTPCCalibVdrift Class Reference

#include <AliTPCCalibVdrift.h>

Inheritance diagram for AliTPCCalibVdrift:

Public Member Functions
	AliTPCCalibVdrift ()
	AliTPCCalibVdrift (AliTPCSensorTempArray *SensTemp, AliDCSSensor *SensPres, TObject *SensGasComp)
	AliTPCCalibVdrift (const AliTPCCalibVdrift &source)
virtual	~AliTPCCalibVdrift ()
AliTPCCalibVdrift &	operator= (const AliTPCCalibVdrift &source)
Double_t	GetPTRelative (UInt_t absTimeSec, Int_t side)
Double_t	VdriftLinearHyperplaneApprox (Double_t dE, Double_t dT, Double_t dP, Double_t dCco2, Double_t dCn2)
Double_t	GetVdriftNominal ()
Double_t	GetVdriftChange (Double_t x, Double_t y, Double_t z, UInt_t absTimeSec)
Double_t	GetMeanZVdriftChange (Double_t x, Double_t y, UInt_t absTimeSec)
TGraph *	MakeGraphMeanZVdriftChange (Double_t x, Double_t y, Int_t nPoints)
Float_t	GetNominalTemperature ()
Float_t	GetNominalPressure ()

Protected Attributes
AliTPCSensorTempArray *	fSensTemp
	Temperature sensors. More...
AliDCSSensor *	fSensPres
	pressure sensor (cavernpress in GRP) More...
AliTPCTempMap *	fTempMap
	Temperature Map. More...
TObject *	fSensGasComp
	placeholder for GasConzentration infos More...
Float_t	fNominalTemp
	nominal temperature in Kelvin More...
Float_t	fNominalPress

Detailed Description

Class describing the Vdrift dependencies on E,T,P and GasComposition

Author

Stefan Rossegger, Haavard Helstrup

Definition at line 13 of file AliTPCCalibVdrift.h.

Constructor & Destructor Documentation

AliTPCCalibVdrift::AliTPCCalibVdrift

(

)

default constructor

Definition at line 78 of file AliTPCCalibVdrift.cxx.

Referenced by operator=().

AliTPCCalibVdrift::AliTPCCalibVdrift	(	AliTPCSensorTempArray *	SensTemp,
		AliDCSSensor *	SensPres,
		TObject *	SensGasComp
	)

Standard constructor

Definition at line 91 of file AliTPCCalibVdrift.cxx.

AliTPCCalibVdrift::AliTPCCalibVdrift

(

const AliTPCCalibVdrift &

source

)

Copy constructor

Definition at line 115 of file AliTPCCalibVdrift.cxx.

AliTPCCalibVdrift::~AliTPCCalibVdrift ( )

virtual

AliTPCCalibVdrift destructor

Definition at line 140 of file AliTPCCalibVdrift.cxx.

Member Function Documentation

Double_t AliTPCCalibVdrift::GetMeanZVdriftChange	(	Double_t	x,
		Double_t	y,
		UInt_t	absTimeSec
	)

Calculates Meanvalue in z direction of Vdrift change in percent of Vdrift_nominal (under standard conditions) at position x,y,absTimeSec with help of 'nPopints' base points

Definition at line 250 of file AliTPCCalibVdrift.cxx.

Referenced by MakeGraphMeanZVdriftChange().

Float_t AliTPCCalibVdrift::GetNominalPressure ( )

inline

Definition at line 38 of file AliTPCCalibVdrift.h.

Float_t AliTPCCalibVdrift::GetNominalTemperature ( )

inline

Definition at line 37 of file AliTPCCalibVdrift.h.

Double_t AliTPCCalibVdrift::GetPTRelative	(	UInt_t	absTimeSec,
		Int_t	side
	)

Get Relative difference of p/T for given time stamp absTimeSec - absolute time in secounds side: 0 - A side | 1 - C side

Definition at line 147 of file AliTPCCalibVdrift.cxx.

Referenced by AliTPCcalibDB::GetPTRelative(), AliTPCcalibDButil::GetVDriftTPCCE(), AliTPCcalibDButil::GetVDriftTPCLaserTracksOnline(), and AliTPCTransform::Local2RotatedGlobal().

Double_t AliTPCCalibVdrift::GetVdriftChange	(	Double_t	x,
		Double_t	y,
		Double_t	z,
		UInt_t	absTimeSec
	)

Calculates Vdrift change in percent of Vdrift_nominal (under nominal conditions) at x,y,z at absolute time (in sec)

Definition at line 204 of file AliTPCCalibVdrift.cxx.

Referenced by GetMeanZVdriftChange().

Double_t AliTPCCalibVdrift::GetVdriftNominal

(

)

returns nominal Driftvelocity at StandardConditions

Definition at line 195 of file AliTPCCalibVdrift.cxx.

TGraph * AliTPCCalibVdrift::MakeGraphMeanZVdriftChange	(	Double_t	x,
		Double_t	y,
		Int_t	nPoints
	)

Make graph from start time to end time of Mean Drift Velocity in Z direction at given x and y position

Definition at line 273 of file AliTPCCalibVdrift.cxx.

AliTPCCalibVdrift & AliTPCCalibVdrift::operator=

(

const AliTPCCalibVdrift &

source

)

assignment operator

Definition at line 130 of file AliTPCCalibVdrift.cxx.

Double_t AliTPCCalibVdrift::VdriftLinearHyperplaneApprox	(	Double_t	dE,
		Double_t	dT,
		Double_t	dP,
		Double_t	dCco2,
		Double_t	dCn2
	)

Returns approximated value for the driftvelocity change (in percent) based on a Hyperplane approximation (~ Taylorapproximation of 2nd order)

Definition at line 176 of file AliTPCCalibVdrift.cxx.

Referenced by GetVdriftChange().

Member Data Documentation

Float_t AliTPCCalibVdrift::fNominalPress

protected

nominal pressure in mbar

Definition at line 50 of file AliTPCCalibVdrift.h.

Referenced by AliTPCCalibVdrift(), GetNominalPressure(), and GetPTRelative().

Float_t AliTPCCalibVdrift::fNominalTemp

protected

nominal temperature in Kelvin

Definition at line 49 of file AliTPCCalibVdrift.h.

Referenced by AliTPCCalibVdrift(), GetNominalTemperature(), and GetPTRelative().

TObject* AliTPCCalibVdrift::fSensGasComp

protected

placeholder for GasConzentration infos

Definition at line 45 of file AliTPCCalibVdrift.h.

Referenced by AliTPCCalibVdrift().

AliDCSSensor* AliTPCCalibVdrift::fSensPres

protected

pressure sensor (cavernpress in GRP)

Definition at line 43 of file AliTPCCalibVdrift.h.

Referenced by AliTPCCalibVdrift(), GetPTRelative(), and GetVdriftChange().

AliTPCSensorTempArray* AliTPCCalibVdrift::fSensTemp

protected

Temperature sensors.

Definition at line 42 of file AliTPCCalibVdrift.h.

Referenced by AliTPCCalibVdrift(), GetPTRelative(), and MakeGraphMeanZVdriftChange().

AliTPCTempMap* AliTPCCalibVdrift::fTempMap

protected

Temperature Map.

Definition at line 44 of file AliTPCCalibVdrift.h.

Referenced by AliTPCCalibVdrift(), GetPTRelative(), and GetVdriftChange().

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

• TPC/TPCbase/AliTPCCalibVdrift.h
• TPC/TPCbase/AliTPCCalibVdrift.cxx