SpaceResolutionCalibration Class Reference

Class for Space resolution calibration. More...

#include <SpaceResolutionCalibration.h>

Collaboration diagram for SpaceResolutionCalibration:

Public Member Functions
	SpaceResolutionCalibration ()
	Constructor.
virtual	~SpaceResolutionCalibration ()
	Destructor.
virtual void	setDebug (bool debug=false)
	Debug or not.
virtual void	setUseDB (bool useDB=false)
	Use database or text mode.
virtual void	setMinimumNDF (double minndf)
	minimum NDF required for track
virtual void	setMinimumPval (double minPval)
	Minimum Pval required.
virtual void	setBinWidth (double bw)
	Bin width of each slide.
virtual void	BField (bool bfield)
	Work with B field or not;.
virtual void	inputFileNames (std::string inputname)
	Input root file names, results of collector module.
virtual void	setStoreHisto (bool storeHist=false)
	Store histograms durring the calibration or not.
virtual void	ProfileFileNames (std::string profileFileName)
	File name describe theta/alpha bin, if don't want to use default from input sigma.
virtual void	useProfileFromInputSigma (bool useProfileFromInputSigma)
	use sigma bin profile form input sigma or new one from input file
virtual void	setSigmaFileName (std::string name)
	Output sigma file name, for text mode.
void	execute ()
	execute all, make the interface the same as CAF

Protected Member Functions
virtual bool	calibrate ()
	Run algo on data. More...
virtual void	createHisto ()
	create histogram
virtual void	readProfile ()
	read sigma bining (alpha, theta bining)
virtual void	readSigma ()
	read sigma from previous calibration, (input sigma)
virtual void	readSigmaFromDB ()
	read sigma from DB More...
virtual void	readSigmaFromText ()
	read sigma from text file
virtual void	storeHisto ()
	store histogram
virtual void	write ()
	save calibration, in text file or db

Private Member Functions
double	getUpperBoundaryForFit (TGraphErrors *graph)
	search max point at boundary region

Private Attributes
double	m_ndfmin = 5
	Minimum NDF
double	m_Pvalmin = 0.
	Minimum Prob(chi2) of track.
double	m_binWidth = 0.05
	width of each bin, unit cm
bool	m_debug = false
	Debug or not.
bool	m_storeHisto = false
	Store histogram or not.
bool	m_useDB = false
	use db or text mode
bool	m_useProfileFromInputSigma = true
	Use binning from old sigma or new one form input.
bool	m_BField = true
	Work with BField, fit range and initial parameters is different incase B and noB.
double	sigma_old [56][2][18][7][8]
	old sigma prameters.
double	sigma_new [56][2][18][7][8]
	new sigma prameters.
TGraphErrors *	gfit [56][2][18][7]
	sigma*sigma graph for fit
TGraphErrors *	gr [56][2][18][7]
	sigma graph.
TH2F *	hist_b [56][2][Max_nalpha][Max_ntheta]
	2D histogram of biased residual
TH2F *	hist_u [56][2][Max_nalpha][Max_ntheta]
	2D histogram of unbiased residual
TH1F *	hu_m [56][2][Max_nalpha][Max_ntheta]
	mean histogram biased residual
TH1F *	hu_s [56][2][Max_nalpha][Max_ntheta]
	sigma histogram of biased residual
TH1F *	hb_m [56][2][Max_nalpha][Max_ntheta]
	mean histogram of unbiased residual
TH1F *	hb_s [56][2][Max_nalpha][Max_ntheta]
	sigma histogram of ubiased residual
int	m_fitflag [56][2][Max_nalpha][Max_ntheta] = {{{{0}}}}
	Fit flag; 1:OK ; 0:error.
std::string	m_outputSigmaFileName = "sigma_new.dat"
	Output sigma file name.
std::string	m_inputRootFileNames = "rootfile/output*"
	Input root file names.
std::string	m_ProfileFileName = "sigma_profile"
	Profile file name.
DBObjPtr< CDCSpaceResols > *	m_sResolFromDB
	Database for sigma.
std::string	m_sigmafile = "cdc/data/sigma.dat"
	Sigma file name, for 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	m_sigmaParamMode_old
	sigma mode from input.

Static Private Attributes
static const int	Max_nalpha = 18
	Maximum alpha bin.
static const int	Max_ntheta = 7
	maximum theta bin
static const unsigned short	Max_np = 40
	Maximum number of point =1/binwidth.

Detailed Description

Class for Space resolution calibration.

Definition at line 25 of file SpaceResolutionCalibration.h.

Member Function Documentation

calibrate()

bool calibrate ( )

protectedvirtual

Run algo on data.

Upper limit of fitting.

Definition at line 286 of file SpaceResolutionCalibration.cc.

{
  gROOT->SetBatch(1);
  gErrorIgnoreLevel = 3001;
  createHisto();
  B2INFO("Start to calibrate");
  gSystem->Exec("mkdir -p Sigma_Fit_Err"); //create a folder to store error histo
 
  TF1* func = new TF1("func", "[0]/(x*x + [1])+[2]* x+[3]+[4]*exp([5]*(x-[6])*(x-[6]))", 0, 1.);
  TH1F* hprob = new TH1F("h1", "", 20, 0, 1);
  double upFit; 
  double intp6;
 
  for (int i = 0; i < 56; ++i) {
    for (int lr = 0; lr < 2; ++lr) {
      for (int al = 0; al < m_nalpha; ++al) {
        for (int th = 0; th < m_ntheta; ++th) {
          if (m_fitflag[i][lr][al][th] != -1) { /*if graph exist, do fitting*/
 
 
            upFit = getUpperBoundaryForFit(gfit[i][lr][al][th]);
            intp6 = upFit + 0.2;
            B2DEBUG(199, "xmax for fitting: " << upFit);
            //          func->SetLineColor(1 + lr + al * 2 + th * 3);
            func->SetParameters(5E-6, 0.007, 1E-4, 1E-5, 0.00008, -30, intp6);
            func->SetParLimits(0, 1E-7, 1E-4);
            func->SetParLimits(1, 0.00001, 0.02);
            func->SetParLimits(2, 1E-6, 0.0005);
            func->SetParLimits(3, 1E-8, 0.0005);
            func->SetParLimits(4, 0., 0.001);
            func->SetParLimits(5, -40, 0.);
            func->SetParLimits(6, intp6 - 0.5, intp6 + 0.3);
            B2DEBUG(199, "FITTING for layer: " << i << "lr: " << lr << " ial" << al << " ith:" << th);
            B2DEBUG(199, "Fit flag before fit:" << m_fitflag[i][lr][al][th]);
            //    if(!(gfit[i][lr][al][th]->isValid())) continue;
            //      m_fitflag[i][lr][al][th] = 0;
            for (int j = 0; j < 10; j++) {
 
              B2DEBUG(199, "loop: " << j);
              B2DEBUG(199, "Int p6: " << intp6);
              B2DEBUG(199, "Number of Point: " << gfit[i][lr][al][th]->GetN());
              Int_t stat = gfit[i][lr][al][th]->Fit("func", "MQE", "", 0.05, upFit);
              B2DEBUG(199, "stat of fit" << stat);
              std::string Fit_status = gMinuit->fCstatu.Data();
              B2DEBUG(199, "FIT STATUS: " << Fit_status);
              //      stat=gfit[i]->Fit(Form("ffit[%d]",i),"M "+Q,"",0.0,cellsize(i)+0.05+j*0.005);
              if (Fit_status == "OK" ||
                  Fit_status == "SUCCESSFUL" ||
                  Fit_status == "CALL LIMIT" ||
                  Fit_status == "PROBLEMS") {
                if (fabs(func->Eval(0.3)) > 0.00035 || func->Eval(0.3) < 0) {
                  func->SetParameters(5E-6, 0.007, 1E-4, 1E-7, 0.0007, -30, intp6 + 0.05 * j);
                  //    func->SetParameters(defaultparsmall);
                  m_fitflag[i][lr][al][th] = 0;
                } else {
                  B2DEBUG(199, "Prob of fit: " << func->GetProb());
                  m_fitflag[i][lr][al][th] = 1;
                  break;
                }
              } else {
                m_fitflag[i][lr][al][th] = 0;
                func->SetParameters(5E-6, 0.007, 1E-4, 1E-7, 0.0007, -30, intp6 + 0.05 * j);
                //        upFit += 0.025;
                if (j == 9) {
                  TCanvas* c1 =  new TCanvas("c1", "", 600, 600);
                  gfit[i][lr][al][th]->Draw();
                  c1->SaveAs(Form("Sigma_Fit_Err/%d_%d_al%d_th%d_%s.png", i, lr, al, th, Fit_status.c_str()));
                  B2WARNING("Fit error: " << i << " " << lr << " " << al << " " << th);
                }
              }
            }
            if (m_fitflag[i][lr][al][th] == 1) {
              B2DEBUG(199, "ProbFit: Lay_lr_al_th: " << i << " " << lr << " " << al << " " << th << func->GetProb());
              hprob->Fill(func->GetProb());
              func->GetParameters(sigma_new[i][lr][al][th]);
            }
          }
        }
      }
    }
  }
  storeHisto();
  write();
 
  return true;
}

readSigmaFromDB()

void readSigmaFromDB ( )

protectedvirtual

read sigma from DB

< angle bin info.

Definition at line 570 of file SpaceResolutionCalibration.cc.

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

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