TH1Keys Class Reference

#include <TH1Keys.h>

Inheritance diagram for TH1Keys:

Public Member Functions
virtual void	Add (const TH1 *h1, Double_t c1=1)
virtual void	Add (const TH1 *h, const TH1 *h2, Double_t c1=1, Double_t c2=1)
virtual void	AddBinContent (Int_t bin)
virtual void	AddBinContent (Int_t bin, Double_t w)
virtual void	Copy (TObject &hnew) const
void	dont (const char *) const
virtual TH1 *	DrawCopy (Option_t *option="") const
virtual Int_t	Fill (Double_t x)
virtual Int_t	Fill (Double_t x, Double_t w)
void	FillH1 () const
virtual void	FillN (Int_t ntimes, const Double_t *x, const Double_t *w, Int_t stride=1)
virtual Double_t	GetBinContent (Int_t bin) const
virtual Double_t	GetBinContent (Int_t bin, Int_t) const
virtual Double_t	GetBinContent (Int_t bin, Int_t, Int_t) const
virtual Double_t	GetEntries () const
TH1 *	GetHisto ()
const TH1 *	GetHisto () const
virtual void	Reset (Option_t *option="")
virtual void	Scale (Double_t c1=1, Option_t *option="")
virtual void	SetBinContent (Int_t bin, Double_t content)
virtual void	SetBinContent (Int_t bin, Int_t, Double_t content)
virtual void	SetBinContent (Int_t bin, Int_t, Int_t, Double_t content)
virtual void	SetBinsLength (Int_t n=-1)
	TH1Keys ()
	TH1Keys (const char *name, const char *title, Int_t nbinsx, Double_t xlow, Double_t xup, TString options="a", Double_t rho=1.5)
	TH1Keys (const char *name, const char *title, Int_t nbinsx, const Float_t *xbins, TString options="a", Double_t rho=1.5)
	TH1Keys (const char *name, const char *title, Int_t nbinsx, const Double_t *xbins, TString options="a", Double_t rho=1.5)
	TH1Keys (const TH1Keys &other)
virtual	~TH1Keys ()

Public Attributes
TH1 *	cache_
RooDataSet *	dataset_
Double_t	globalScale_
bool	isCacheGood_
TString	options_
Double_t	overflow_
RooArgSet	point_
Double_t	rho_
Double_t	underflow_
ClassDef(TH1Keys, 1) private RooRealVar *	w_
ClassDef(TH1Keys, 1) private RooRealVar *	x_

Detailed Description

Definition at line 10 of file TH1Keys.h.

Constructor & Destructor Documentation

TH1Keys::TH1Keys

(

)

Definition at line 8 of file TH1Keys.cc.

                 :
    x_(0),
    dataset_(0),
    underflow_(0.0), overflow_(0.0),
    globalScale_(1.0),
    cache_(0),
    isCacheGood_(false)
{
}

TH1Keys::TH1Keys	(	const char *	name,
		const char *	title,
		Int_t	nbinsx,
		Double_t	xlow,
		Double_t	xup,
		TString	options = "a",
		Double_t	rho = 1.5
	)

Definition at line 18 of file TH1Keys.cc.

References cache_, and x_.

                                                                                                                          :
    TH1(name,title,nbinsx,xlow,xup),
    min_(xlow), max_(xup),
    x_(new RooRealVar("x", "x", min_, max_)),
    w_(new RooRealVar("w", "w", 1.0)),
    point_(*x_),
    dataset_(new RooDataSet(name, title, RooArgSet(*x_, *w_), "w")),
    underflow_(0.0), overflow_(0.0),
    globalScale_(1.0),
    options_(options),
    rho_(rho),
    cache_(new TH1F("",title,nbinsx,xlow,xup)),
    isCacheGood_(true)
{
    cache_->SetDirectory(0);
    fDimension = 1;
    x_->setBins(nbinsx);
}

TH1Keys::TH1Keys	(	const char *	name,
		const char *	title,
		Int_t	nbinsx,
		const Float_t *	xbins,
		TString	options = "a",
		Double_t	rho = 1.5
	)

Definition at line 37 of file TH1Keys.cc.

References cache_, i, and x_.

                                                                                                                     :
    TH1(name,title,nbinsx,xbins),
    min_(xbins[0]), max_(xbins[nbinsx]),
    x_(new RooRealVar("x", "x", min_, max_)),
    w_(new RooRealVar("w", "w", 1.0)),
    point_(*x_),
    dataset_(new RooDataSet(name, title, RooArgSet(*x_, *w_), "w")),
    underflow_(0.0), overflow_(0.0),
    globalScale_(1.0),
    options_(options),
    rho_(rho),
    cache_(new TH1F("",title,nbinsx,xbins)),
    isCacheGood_(true)
{
    cache_->SetDirectory(0);
    fDimension = 1;
    std::vector<Double_t> boundaries(nbinsx+1);
    for (Int_t i = 0; i <= nbinsx; ++i) boundaries[i] = xbins[i];
    x_->setBinning(RooBinning(nbinsx, &boundaries[0]));
}

TH1Keys::TH1Keys	(	const char *	name,
		const char *	title,
		Int_t	nbinsx,
		const Double_t *	xbins,
		TString	options = "a",
		Double_t	rho = 1.5
	)

Definition at line 58 of file TH1Keys.cc.

References cache_, and x_.

                                                                                                                     :
    TH1(name,title,nbinsx,xbins),
    min_(xbins[0]), max_(xbins[nbinsx]),
    x_(new RooRealVar("x", "x", min_, max_)),
    w_(new RooRealVar("w", "w", 1.0)),
    point_(*x_),
    dataset_(new RooDataSet(name, title, RooArgSet(*x_, *w_), "w")),
    underflow_(0.0), overflow_(0.0),
    globalScale_(1.0),
    options_(options),
    rho_(rho),
    cache_(new TH1F("",title,nbinsx,xbins)),
    isCacheGood_(true)
{
    cache_->SetDirectory(0);
    fDimension = 1;
    x_->setBinning(RooBinning(nbinsx, xbins));
}

TH1Keys::TH1Keys

(

const TH1Keys &

other

)

Definition at line 78 of file TH1Keys.cc.

References x_.

                                      :
    TH1(other),
    min_(other.min_), max_(other.max_),
    x_(new RooRealVar("x", "x", min_, max_)),
    w_(new RooRealVar("w", "w", 1.0)),
    point_(*x_),
    dataset_(new RooDataSet(other.GetName(), other.GetTitle(), RooArgSet(*x_, *w_), "w")),
    underflow_(other.underflow_), overflow_(other.overflow_),
    globalScale_(other.globalScale_),
    options_(other.options_),
    rho_(other.rho_),
    cache_((TH1*)other.cache_->Clone()),
    isCacheGood_(other.isCacheGood_)
{
    fDimension = 1;
    x_->setBinning(other.x_->getBinning());
}

TH1Keys::~TH1Keys ( )

virtual

Definition at line 97 of file TH1Keys.cc.

References cache_, dataset_, and x_.

{
    delete cache_;
    delete dataset_;
    delete x_;
}

Member Function Documentation

void TH1Keys::Add ( const TH1 *  h1, Double_t  c1 = 1  )

virtual

Definition at line 125 of file TH1Keys.cc.

References dataset_, dont(), and isCacheGood_.

{
    if (c1 != 1.0) dont("Add with constant != 1");
    const TH1Keys *other = dynamic_cast<const TH1Keys *>(h1);
    if (other == 0) dont("Add with a non TH1Keys");
    dataset_->append(const_cast<RooDataSet&>(*other->dataset_));
    isCacheGood_ = false;
}

virtual void TH1Keys::Add ( const TH1 *  h, const TH1 *  h2, Double_t  c1 = 1, Double_t  c2 = 1  )

inlinevirtual

Definition at line 27 of file TH1Keys.h.

References dont().

{ dont("Add with two arguments"); } 

virtual void TH1Keys::AddBinContent ( Int_t  bin )

inlinevirtual

Definition at line 29 of file TH1Keys.h.

References AddBinContent().

Referenced by AddBinContent().

{ AddBinContent(bin, 1.0); }

virtual void TH1Keys::AddBinContent ( Int_t  bin, Double_t  w  )

inlinevirtual

Definition at line 30 of file TH1Keys.h.

References dont().

{ dont("AddBinContent"); }

virtual void TH1Keys::Copy ( TObject &  hnew ) const

inlinevirtual

Definition at line 31 of file TH1Keys.h.

References dont().

{ dont("Copy"); }

void TH1Keys::dont

(

const char *

msg

)

const

Definition at line 169 of file TH1Keys.cc.

Referenced by Add(), AddBinContent(), Copy(), DrawCopy(), SetBinContent(), and SetBinsLength().

                                        {
    TObject::Error("TH1Keys",msg);
    throw std::runtime_error(std::string("Error in TH1Keys: ")+msg);
}

virtual TH1* TH1Keys::DrawCopy ( Option_t *  option = "" ) const

inlinevirtual

Definition at line 33 of file TH1Keys.h.

References dont().

{ dont("DrawCopy"); return 0; }

virtual Int_t TH1Keys::Fill ( Double_t  x )

inlinevirtual

Definition at line 22 of file TH1Keys.h.

References Fill().

Referenced by Fill(), and FillN().

{ return Fill(x,1.0); }

Int_t TH1Keys::Fill ( Double_t  x, Double_t  w  )

virtual

Definition at line 104 of file TH1Keys.cc.

References dataset_, isCacheGood_, overflow_, point_, underflow_, w(), and x_.

{
    isCacheGood_ = false;
    if (x >= max_) overflow_ += w;
    else if (x < min_) underflow_ += w;
    else {
        x_->setVal(x);
        dataset_->add(point_, w);
        return 1;
    } 
    return -1;
}

void TH1Keys::FillH1

(

)

const

Definition at line 150 of file TH1Keys.cc.

References cache_, dataset_, globalScale_, instance, isCacheGood_, options_, overflow_, rho_, underflow_, and x_.

Referenced by GetHisto().

{
    if (dataset_->numEntries() == 0) {
        cache_->Reset(); // make sure it's empty
    } else {
        RooFit::MsgLevel gKill = RooMsgService::instance().globalKillBelow();
        RooMsgService::instance().setGlobalKillBelow(RooFit::FATAL);
        delete cache_;
        RooNDKeysPdf pdf("","",*x_,*dataset_,options_,rho_);
        cache_ = pdf.createHistogram(GetName(), *x_);
        if (cache_->Integral()) cache_->Scale(1.0/cache_->Integral());
        cache_->SetBinContent(0,                     underflow_);
        cache_->SetBinContent(cache_->GetNbinsX()+1, overflow_);
        cache_->Scale(dataset_->sumEntries() * globalScale_);
        RooMsgService::instance().setGlobalKillBelow(gKill);
    }
    isCacheGood_ = true;
}

void TH1Keys::FillN ( Int_t  ntimes, const Double_t *  x, const Double_t *  w, Int_t  stride = 1  )

virtual

Definition at line 117 of file TH1Keys.cc.

References Fill(), i, and isCacheGood_.

{
    isCacheGood_ = false;
    for (Int_t i = 0; i < ntimes; i += stride) {
        Fill(x[i], w[i]);
    }
}

virtual Double_t TH1Keys::GetBinContent ( Int_t  bin ) const

inlinevirtual

Definition at line 35 of file TH1Keys.h.

References GetHisto().

{ return GetHisto()->GetBinContent(bin); }

virtual Double_t TH1Keys::GetBinContent ( Int_t  bin, Int_t    ) const

inlinevirtual

Definition at line 36 of file TH1Keys.h.

References GetHisto().

{ return GetHisto()->GetBinContent(bin); }

virtual Double_t TH1Keys::GetBinContent ( Int_t  bin, Int_t  , Int_t    ) const

inlinevirtual

Definition at line 37 of file TH1Keys.h.

References GetHisto().

{return GetHisto()->GetBinContent(bin); }

virtual Double_t TH1Keys::GetEntries ( ) const

inlinevirtual

Definition at line 39 of file TH1Keys.h.

References dataset_.

{ return dataset_->numEntries(); }

TH1* TH1Keys::GetHisto ( )

inline

Definition at line 19 of file TH1Keys.h.

References cache_, FillH1(), and isCacheGood_.

Referenced by GetBinContent().

{ if (!isCacheGood_) FillH1(); return cache_; }

const TH1* TH1Keys::GetHisto ( ) const

inline

Definition at line 20 of file TH1Keys.h.

References cache_, FillH1(), and isCacheGood_.

{ if (!isCacheGood_) FillH1(); return cache_; }

void TH1Keys::Reset ( Option_t *  option = "" )

virtual

Definition at line 140 of file TH1Keys.cc.

References cache_, dataset_, globalScale_, isCacheGood_, overflow_, and underflow_.

                                    {
    dataset_->reset();
    overflow_ = underflow_ = 0.0;
    globalScale_ = 1.0;
    cache_->Reset();
    isCacheGood_ = true;
}

void TH1Keys::Scale ( Double_t  c1 = 1, Option_t *  option = ""  )

virtual

Definition at line 134 of file TH1Keys.cc.

References alignmentValidation::c1, cache_, and globalScale_.

{
    globalScale_ *= c1;
    if (cache_) cache_->Scale(c1);
}

virtual void TH1Keys::SetBinContent ( Int_t  bin, Double_t  content  )

inlinevirtual

Definition at line 42 of file TH1Keys.h.

References dont().

{ dont("SetBinContent"); }

virtual void TH1Keys::SetBinContent ( Int_t  bin, Int_t  , Double_t  content  )

inlinevirtual

Definition at line 43 of file TH1Keys.h.

References SetBinContent().

Referenced by SetBinContent().

{ SetBinContent(bin,content); }

virtual void TH1Keys::SetBinContent ( Int_t  bin, Int_t  , Int_t  , Double_t  content  )

inlinevirtual

Definition at line 44 of file TH1Keys.h.

References SetBinContent().

Referenced by SetBinContent().

{ SetBinContent(bin,content); }

virtual void TH1Keys::SetBinsLength ( Int_t  n = -1 )

inlinevirtual

Definition at line 45 of file TH1Keys.h.

References dont().

{ dont("SetBinLength"); }

Member Data Documentation

TH1* TH1Keys::cache_

mutable

Definition at line 61 of file TH1Keys.h.

Referenced by FillH1(), GetHisto(), Reset(), Scale(), TH1Keys(), and ~TH1Keys().

RooDataSet* TH1Keys::dataset_

Definition at line 54 of file TH1Keys.h.

Referenced by Add(), Fill(), FillH1(), GetEntries(), Reset(), and ~TH1Keys().

Double_t TH1Keys::globalScale_

Definition at line 56 of file TH1Keys.h.

Referenced by FillH1(), Reset(), and Scale().

bool TH1Keys::isCacheGood_

mutable

Definition at line 62 of file TH1Keys.h.

Referenced by Add(), Fill(), FillH1(), FillN(), GetHisto(), and Reset().

TString TH1Keys::options_

Definition at line 58 of file TH1Keys.h.

Referenced by FillH1(), and valtools.webpage::parseArgs().

Double_t TH1Keys::overflow_

Definition at line 55 of file TH1Keys.h.

Referenced by Fill(), FillH1(), and Reset().

RooArgSet TH1Keys::point_

Definition at line 53 of file TH1Keys.h.

Referenced by Fill().

Double_t TH1Keys::rho_

Definition at line 59 of file TH1Keys.h.

Referenced by FillH1().

Double_t TH1Keys::underflow_

Definition at line 55 of file TH1Keys.h.

Referenced by Fill(), FillH1(), and Reset().

ClassDef (TH1Keys,1) private RooRealVar * TH1Keys::w_

Definition at line 48 of file TH1Keys.h.

ClassDef (TH1Keys,1) private RooRealVar* TH1Keys::x_

Definition at line 48 of file TH1Keys.h.

Referenced by Fill(), FillH1(), TH1Keys(), and ~TH1Keys().