XTCalibration Class Reference

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

#include <XTCalibration.h>

Collaboration diagram for XTCalibration:

Public Member Functions
	XTCalibration ()
	Constructor.
virtual	~XTCalibration ()
	Destructor.
virtual void	BField (bool bfield)
	set to use BField
virtual void	setDebug (bool debug=false)
	Run in debug or silent.
virtual void	setUseDB (bool useDB=false)
	Set to run with database mode or text mode.
virtual void	setMinimumNDF (double minndf)
	set minimum number of degree of freedom requirement
virtual void	setMinimumPval (double minPval)
	set minimum Prob(Chi2) requirement
virtual void	inputFileNames (std::string inputname)
	Input root file name, output of collector.
virtual void	profileFileNames (std::string profileFileName)
	Profile file name incase you want to change the xt binning.
virtual void	useProfileFromInputXT (bool useProfileXTFromInputXT)
	if you want to change xt bining, you have to set this to true
virtual void	setXTFileName (std::string name)
	input xt file name incase text mode is used.
virtual void	setMode (unsigned short mode=1)
	set xt mode, 0 is polynimial, 1 is Chebshev polynomial
virtual void	setStoreHisto (bool storeHist=false)
	set to store histogram or not.
void	setLRSeparate (bool lr=true)
	Set LR separate mode (default is true).
void	execute ()
	Run calibration.

Protected Member Functions
virtual bool	calibrate ()
	Run algo on data.
virtual void	readXTFromDB ()
	Read old xt parameter from database.
virtual void	readXTFromText ()
	Read old xt parameter from text file, incase text mode is used.
virtual void	CreateHisto ()
	Create histogram for calibration.
virtual void	readProfile ()
	Read profile xt file.
virtual void	readXT ()
	read xt paramter (wrap text mode and database mode) More...
virtual void	Write ()
	Store calibrated constand.
virtual void	storeHisto ()
	Store histogram to file.

Private Attributes
double	m_ndfmin = 5
	minimum ndf required
double	m_Pvalmin = 0.
	minimum pvalue required
bool	m_debug = false
	run in debug or silent
bool	m_storeHisto = false
	Store histogram or not.
bool	m_useDB = false
	Use Database or text mode.
bool	m_useProfileXTFromInputXT = true
	use profile from text file or default in input xt
bool	m_LRseparate = true
	Separate LR in calibration or mix.
bool	m_useSliceFit = false
	Use slice fit or profile.
bool	m_BField = true
	with b field or none
double	xtold [56][2][18][7][8]
	Old paremeter.
int	fitflag [56][2][20][10]
	Fit flag.
TF1 *	xtf5r [56][2][20][10]
	XTFunction.
TProfile *	hprof [56][2][20][10]
	Profile xt histo.
TH2D *	hist2d [56][2][20][10]
	2D histo of xt
TH2D *	hist2d_draw [56][20][10]
	2d histo for draw
TH1D *	hist2d_1 [56][2][20][10]
	1D xt histo, results of slice fit
std::string	m_OutputXTFileName = "xt_new.dat"
	Out put xt filename.
std::string	m_inputRootFileNames = "rootfile/output*"
	input root filename
std::string	m_profileFileName = "xt_profile"
	profile file name
std::string	m_xtfile = "cdc/data/xt.dat"
	Input xt file name, incase text mode.
int	m_nalpha
	number of alpha bins
int	m_ntheta
	number of theta bins
double	l_alpha [18]
	Lower boundays of alpha bins.
double	u_alpha [18]
	Upper boundays of alpha bins.
double	ialpha [18]
	represented alphas of alpha bins.
double	l_theta [7]
	Lower boundays of theta bins.
double	u_theta [7]
	Upper boundays of theta bins.
double	itheta [7]
	represented alphas of theta bins.
int	nalpha_old
	number of alpha bins from input
int	ntheta_old
	number of theta bins from input
double	l_alpha_old [18]
	Lower boundays of alpha bins from input.
double	u_alpha_old [18]
	Upper boundays of alpha bins from input.
double	ialpha_old [18]
	represented alphas of alpha bins from input.
double	l_theta_old [7]
	Lower boundays of theta bins from input.
double	u_theta_old [7]
	Upper boundays of theta bins from input.
double	itheta_old [7]
	represented alphas of theta bins from input.
unsigned short	xtmode_old
	XT mode old, 0-polynomial, 1 Cheb.
int	m_MAXalpha = 18
	max alpha bin
int	m_MAXtheta = 7
	max theta bin
unsigned short	m_xtmode = 1
	Mode of xt; 0 is polynomial;1 is Chebyshev.
int	m_smallestEntryRequire = 1000
	minimum number of hit per hitosgram.
double	m_par6 [56]
	boundary parameter for fitting, semi-experiment number More...

Detailed Description

Class to perform xt calibration for drift chamber.

Definition at line 21 of file XTCalibration.h.

Member Function Documentation

readXT()

void readXT ( )

protectedvirtual

read xt paramter (wrap text mode and database mode)

B2FATAL("Error reading xt from DB");return;}

Definition at line 409 of file XTCalibration.cc.

{
  if (m_useDB) {
    B2INFO("reading xt from DB");
 
    /*
    ReadXT:readXTFromDB(&xtold,dbXT_old,
       &nalpha_old,l_alpha_old,u_alpha_old,ialpha_old,
       &ntheta_old,l_theta_old,u_theta_old, itheta_old);
    */
    readXTFromDB();
    B2INFO("Number of theta bin from xt: " << ntheta_old);
    B2INFO("Theta 0: " << itheta_old[0]);
    //    if(!a){
  } else {
    B2INFO("Read Xt from text");
    /*
    ReadXT::readXTFromText(xtold,m_xtfile,
            nalpha_old,l_alpha_old,u_alpha_old,ialpha_old,
            ntheta_old,l_theta_old,u_theta_old, itheta_old);
    */
    readXTFromText();
    B2INFO("nalpha: " << nalpha_old);
    // if(!a)
    // {B2FATAL("Error reading xt from text");return;}
  }
}

Member Data Documentation

m_par6

double m_par6[56]

private

Initial value:

= {89,   91,  94,  99,  104, 107, 110, 117,
                           126, 144, 150, 157, 170, 180,
                           160, 167, 183, 205, 200, 194,
                           177, 189, 192, 206, 224, 234,
                           193, 206, 209, 215, 222, 239,
                           204, 212, 217, 227, 235, 240,
                           215, 222, 230, 239, 246, 253,
                           227, 232, 239, 243, 253, 258,
                           231, 243, 246, 256, 263, 300
                          }

boundary parameter for fitting, semi-experiment number

Definition at line 144 of file XTCalibration.h.

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

• cdc/calibration/include/XTCalibration.h
• cdc/calibration/src/XTCalibration.cc