HistoCompare Class Reference

#include <HistoCompare.h>

Public Member Functions
TH1 *	Compare (TH1 *h, const TString &hname)
double	GetResult ()
	HistoCompare ()
	HistoCompare (const TString &refFilename)
void	SetChi2Test (bool test=true)
void	SetKGTest (bool test=true)
void	SetReferenceFilename (const TString &filename)
	~HistoCompare ()

Private Attributes
bool	do_nothing_
TFile *	refFile_
TString	refFilename_
TH1 *	refHisto_
TH1 *	resHisto_
double	result_
bool	setChi2Test_
bool	setKGTest_

Detailed Description

---

class: HistoCompare.h package: Validation/RecoB

author: Victor Bazterra, UIC Francisco Yumiceva, Fermilab (yumic.nosp@m.eva@.nosp@m.fnal..nosp@m.gov)

---

Definition at line 23 of file HistoCompare.h.

Constructor & Destructor Documentation

HistoCompare() [1/2]

HistoCompare::HistoCompare

(

)

---

class: HistoCompare.cc package: Validation/RecoB

author: Victor Bazterra, UIC Francisco Yumiceva, Fermilab (yumic.nosp@m.eva@.nosp@m.fnal..nosp@m.gov)

---

Definition at line 16 of file HistoCompare.cc.

References do_nothing_, and result_.

                           {
  result_ = 0;
  do_nothing_ = false;
}

HistoCompare() [2/2]

HistoCompare::HistoCompare

(

const TString &

refFilename

)

Definition at line 21 of file HistoCompare.cc.

References gather_cfg::cout, do_nothing_, refFile_, result_, and setChi2Test_.

                                                     {
  result_ = 0;
  do_nothing_ = false;
  // open reference file
  refFile_ = new TFile(refFilename);
  if (refFile_->IsZombie()) {
    std::cout << " Error openning file " << refFilename << std::endl;
    std::cout << " we will not compare histograms. " << std::endl;
    do_nothing_ = true;
  } else {
    std::cout << " open file " << refFilename << std::endl;
  }

  setChi2Test_ = true;
}

~HistoCompare()

HistoCompare::~HistoCompare

(

)

Definition at line 37 of file HistoCompare.cc.

{}

Member Function Documentation

Compare()

TH1 * HistoCompare::Compare	(	TH1 *	h,
		const TString &	hname
	)

Definition at line 39 of file HistoCompare.cc.

References do_nothing_, h, refFile_, refHisto_, resHisto_, result_, setChi2Test_, and setKGTest_.

                                                       {
  if (do_nothing_)
    return nullptr;

  // std::cout << "histo: " << h->GetName() << " entries: "<< h->GetEntries() <<
  // std::endl; std::cout << "hname: " << hname << std::endl;

  // create a residual histogram
  // if (resHisto_) delete resHisto_;
  resHisto_ = (TH1 *)h->Clone(TString(h->GetName()) + "_residuals");
  resHisto_->Reset();

  // clone input histogram
  TH1 *htemp = (TH1 *)h->Clone(TString(h->GetName()));

  refFile_->cd();
  // std::cout << "get reference" << std::endl;
  refHisto_ = (TH1 *)gDirectory->Get(hname);
  // std::cout << "historef: " << refHisto_->GetName() << " entries: "<<
  // refHisto_->GetEntries() << std::endl; std::cout << "name: " <<
  // refHisto_->GetName() << std::endl;

  // normalize histograms
  htemp->Scale(1. / htemp->Integral());
  refHisto_->Scale(1. / refHisto_->Integral());

  if (setChi2Test_) {
    result_ = refHisto_->Chi2Test(htemp, "UFOF");
  }
  if (setKGTest_) {
    result_ = refHisto_->KolmogorovTest(htemp, "UO");
  }

  resHisto_->Add(htemp, refHisto_, 1., -1.);

  // std::cout << " residual done." << std::endl;

  return resHisto_;
}

GetResult()

double HistoCompare::GetResult ( )

inline

Definition at line 48 of file HistoCompare.h.

{ return result_; };

SetChi2Test()

void HistoCompare::SetChi2Test ( bool  test = true )

inline

Definition at line 44 of file HistoCompare.h.

References setChi2Test_, and builder_last_value_cfg::test.

{ setChi2Test_ = test; };

SetKGTest()

void HistoCompare::SetKGTest ( bool  test = true )

inline

Definition at line 46 of file HistoCompare.h.

References setKGTest_, and builder_last_value_cfg::test.

{ setKGTest_ = test; };

SetReferenceFilename()

void HistoCompare::SetReferenceFilename ( const TString &  filename )

inline

Definition at line 32 of file HistoCompare.h.

References gather_cfg::cout, do_nothing_, corrVsCorr::filename, refFile_, and refFilename_.

                                                     {
    refFilename_ = filename;
    // if (refFile_) delete refFile_;
    refFile_ = new TFile(refFilename_);
    if (refFile_->IsZombie()) {
      std::cout << " Error openning file " << refFilename_ << std::endl;
      std::cout << " we will not compare histograms. " << std::endl;
      do_nothing_ = true;
    }
    std::cout << " open file" << std::endl;
  };

Member Data Documentation

do_nothing_

bool HistoCompare::do_nothing_

private

Definition at line 54 of file HistoCompare.h.

Referenced by Compare(), HistoCompare(), and SetReferenceFilename().

refFile_

TFile* HistoCompare::refFile_

private

Definition at line 58 of file HistoCompare.h.

Referenced by Compare(), HistoCompare(), and SetReferenceFilename().

refFilename_

TString HistoCompare::refFilename_

private

Definition at line 60 of file HistoCompare.h.

Referenced by SetReferenceFilename().

refHisto_

TH1* HistoCompare::refHisto_

private

Definition at line 57 of file HistoCompare.h.

Referenced by Compare().

resHisto_

TH1* HistoCompare::resHisto_

private

Definition at line 56 of file HistoCompare.h.

Referenced by Compare().

result_

double HistoCompare::result_

private

Definition at line 53 of file HistoCompare.h.

Referenced by Compare(), and HistoCompare().

setChi2Test_

bool HistoCompare::setChi2Test_

private

Definition at line 48 of file HistoCompare.h.

Referenced by Compare(), HistoCompare(), and SetChi2Test().

setKGTest_

bool HistoCompare::setKGTest_

private

Definition at line 52 of file HistoCompare.h.

Referenced by Compare(), and SetKGTest().