#include <Histos.h>

Public Types
typedef std::map< std::string, TObject * >::const_iterator	HistoItr
Public Member Functions
void	addObject (const std::string &name, TObject *obj)
	Add any object.
void	book (const std::string &name, int nx, float xmin, float xmax, int ny=0, float ymin=0., float ymax=0.)
	Book an histogram (1D or 2D)
void	book (const std::string &name, int nx, float xmin, float xmax, const std::string &option)
void	bookByNumber (const std::string &name, int n1, int n2, int nx, float xmin, float xmax, int ny=0, float ymin=0., float ymax=0.)
void	debug (std::string p="") const
void	divide (const std::string &h1, const std::string &h2, const std::string &h3)
	Divide two histograms and put the result in the first.
void	fill (const std::string &name, float val1, float val2=1., float val3=1.)
	Fill an histogram.
void	fillByNumber (const std::string &name, int number, float val1, float val2=1., float val3=1.)
void	put (const std::string &file, std::string name="")
	Write one or all histogram(s) in a file.
virtual	~Histos ()
	Destructor.
Static Public Member Functions
static Histos *	instance ()
Private Member Functions
	Histos ()
Private Attributes
TObject *	theHisto
std::map< std::string, TObject * >	theHistos
std::map< std::string, TObject * >	theObjects
std::map< std::string, unsigned >	theTypes
Static Private Attributes
static Histos *	myself = 0

Detailed Description

This class provides an interface to root histograms

Author:: Patrick Janot $Date: 16 Jan 2004 19:30

Definition at line 19 of file Histos.h.

Member Typedef Documentation

typedef std::map<std::string,TObject*>::const_iterator Histos::HistoItr

Definition at line 23 of file Histos.h.

Constructor & Destructor Documentation

Histos::~Histos ( ) [virtual]

Destructor.

Definition at line 20 of file Histos.cc.

{}

Histos::Histos ( ) [private]

Definition at line 13 of file Histos.cc.

Referenced by instance().

{}

Member Function Documentation

void Histos::addObject	(	const std::string &	name,
		TObject *	obj
	)

Add any object.

Definition at line 152 of file Histos.cc.

References gather_cfg::cout, and theObjects.

{
  HistoItr hh = theObjects.find(name);
  if (hh != theObjects.end())
    {
      std::cout << "FamosHistos::addObject() : Object " << name 
                << " already exists" << std::endl;
      return;
    }
  // Potential source of memory leaks if not carefully used 
  theObjects.insert(std::pair<std::string,TObject*>(name,obj->Clone()));
}

void Histos::book	(	const std::string &	name,
		int	nx,
		float	xmin,
		float	xmax,
		int	ny = `0`,
		float	ymin = `0.`,
		float	ymax = `0.`
	)

Book an histogram (1D or 2D)

Definition at line 23 of file Histos.cc.

References gather_cfg::cout, mergeVDriftHistosByStation::name, theHistos, theTypes, SiStripMonitorClusterAlca_cfi::xmax, SiStripMonitorClusterAlca_cfi::xmin, SiStripMonitorClusterAlca_cfi::ymax, and SiStripMonitorClusterAlca_cfi::ymin.

Referenced by bookByNumber().

                                             {
  
  if ( theHistos.find(name) != theHistos.end() ) { 

    std::cout << "Histos::book() : Histogram " 
         << name << " exists already. Nothing done" << std::endl;

  } else {

    if ( ny ) {

      theHistos[name] = new TH2F(name.c_str(),"",nx,xmin,xmax,ny,ymin,ymax);
      theTypes[name] = 2;

    } else {

      theHistos[name] = new TH1F(name.c_str(),"",nx,xmin,xmax);
      theTypes[name] = 1;

    }

  }

}

void Histos::book	(	const std::string &	name,
		int	nx,
		float	xmin,
		float	xmax,
		const std::string &	option
	)

Book a TProfile option="S" -> spread "" -> error on mean (from Root documentation)

Definition at line 51 of file Histos.cc.

References gather_cfg::cout, mergeVDriftHistosByStation::name, theHistos, theTypes, SiStripMonitorClusterAlca_cfi::xmax, and SiStripMonitorClusterAlca_cfi::xmin.

                                      {
  
  if ( theHistos.find(name) != theHistos.end() ) { 

    std::cout << "Histos::book() : Histogram " 
         << name << " exists already. Nothing done" << std::endl;

  } else {

    theHistos[name] = new TProfile(name.c_str(),"",nx,xmin,xmax,option.c_str());
    theTypes[name] = 3;  
  }

}

void Histos::bookByNumber	(	const std::string &	name,
		int	n1,
		int	n2,
		int	nx,
		float	xmin,
		float	xmax,
		int	ny = `0`,
		float	ymin = `0.`,
		float	ymax = `0.`
	)

Definition at line 200 of file Histos.cc.

References book(), gather_cfg::cout, SiStripMonitorClusterAlca_cfi::xmax, SiStripMonitorClusterAlca_cfi::xmin, SiStripMonitorClusterAlca_cfi::ymax, and SiStripMonitorClusterAlca_cfi::ymin.

{
  if(n1>n2)
    {
      std::cout <<" Histos: problem with bookByNumber - Do nothing" << std::endl;
    }
  for(int ih=n1;ih<=n2;++ih)
    {
       std::ostringstream oss;
       oss << name << ih;
       book(oss.str(),nx,xmin,xmax,ny,ymin,ymax);
    }

}

void Histos::debug ( std::string p = "" ) const [inline]

Definition at line 64 of file Histos.h.

References gather_cfg::cout, AlCaHLTBitMon_ParallelJobs::p, and theHistos.

{std::cout << " Histos myMap : "<< &theHistos << " " << p <<std::endl;}

void Histos::divide	(	const std::string &	h1,
		const std::string &	h2,
		const std::string &	h3
	)

Divide two histograms and put the result in the first.

Definition at line 108 of file Histos.cc.

References gather_cfg::cout, theHistos, and theTypes.

                                                                            {

  HistoItr hh1 = theHistos.find(h1);
  HistoItr hh2 = theHistos.find(h2);
  HistoItr hh3 = theHistos.find(h3);

  if ( hh1 == theHistos.end() ||
       hh2 == theHistos.end() ||
       hh3 != theHistos.end() ) {

    if ( hh1 == theHistos.end() ) 
      std::cout << "Histos::divide() : First histo " 
           << h1 << " does not exist" << std::endl;

    if ( hh2 == theHistos.end() ) 
      std::cout << "Histos::divide() : Second histo " 
           << h2 << " does not exist" << std::endl;

    if ( hh3 != theHistos.end() ) 
      std::cout << "Histos::divide() : Third histo " 
           << h3 << " already exists" << std::endl;

  } else {

    if ( theTypes[h1] == 1 && theTypes[h2] == 1 ) { 
      
      theHistos[h3] = (TH1F*) ((*hh1).second)->Clone(h3.c_str());
      theTypes[h3] = 1;
      ((TH1F*)theHistos[h3])->Divide( (TH1F*)( (*hh2).second ) );

    }
      
    if ( theTypes[h1] == 2 && theTypes[h2] == 2 ) { 

      theHistos[h3] = (TH2F*)((*hh1).second)->Clone(h3.c_str());
      theTypes[h3] = 2;
      ((TH2F*)theHistos[h3])->Divide( (TH2F*)( (*hh2).second ) );
      
    }

  }

}

void Histos::fill	(	const std::string &	name,
		float	val1,
		float	val2 = `1.`,
		float	val3 = `1.`
	)

Fill an histogram.

Definition at line 168 of file Histos.cc.

References gather_cfg::cout, HcalObjRepresent::Fill(), theHistos, and theTypes.

Referenced by fillByNumber().

                                                                     {

  //  std::cout << " Fill " << name << " " << val1 << " " << val2 << " " << val3 << std::endl;
  //  std::cout << &theHistos << std::endl;
  HistoItr hh = theHistos.find(name);
  //  std::cout << " Fill done " << std::endl;
  if ( hh == theHistos.end() ) {

    std::cout << "Histos::fill() : Histogram " << name 
         << " does not exist" << std::endl;

  } else {

    if ( theTypes[name] == 1 ) 
      ( (TH1F*) ( (*hh).second ) )->Fill(val1,val2);

    if ( theTypes[name] == 2 ) 
      ( (TH2F*) ( (*hh).second ) )->Fill(val1,val2,val3);
    
    if ( theTypes[name] == 3 ) 
      ( (TProfile*) ( (*hh).second ) )->Fill(val1,val2,val3);
  }

}

void Histos::fillByNumber	(	const std::string &	name,
		int	number,
		float	val1,
		float	val2 = `1.`,
		float	val3 = `1.`
	)

Definition at line 193 of file Histos.cc.

References fill().

{
  std::ostringstream oss;
  oss << name << number;
  fill(oss.str(),val1,val2,val3);
}

Histos * Histos::instance ( ) [static]

Definition at line 15 of file Histos.cc.

References Histos(), and myself.

                         {
  if (!myself) myself = new Histos();
  return myself;
}

void Histos::put	(	const std::string &	file,
		std::string	name = `""`
	)

Write one or all histogram(s) in a file.

Definition at line 69 of file Histos.cc.

References gather_cfg::cout, f, theHistos, theObjects, and theTypes.

                                                 {

  TFile * f = new TFile(file.c_str(),"recreate");
  f->cd();
  
  HistoItr ho ;
  for(ho=theObjects.begin();ho!=theObjects.end();++ho)
    {
      (*ho).second->Write((*ho).first.c_str());
    }


  HistoItr hh = theHistos.find(name);
  if ( name == "" ) 
    for ( hh  = theHistos.begin(); 
          hh != theHistos.end(); 
          ++hh ) { 
      if ( theTypes[(*hh).first] == 1 )  ( (TH1F*)((*hh).second) )->Write();
      if ( theTypes[(*hh).first] == 2 )  ( (TH2F*)((*hh).second) )->Write();
      if ( theTypes[(*hh).first] == 3 )  ( (TProfile*)((*hh).second) )->Write();
    }

  else 
    if ( hh != theHistos.end() ) { 
      if ( theTypes[name] == 1 )  ( (TH1F*)((*hh).second) )->Write();
      if ( theTypes[name] == 2 )  ( (TH2F*)((*hh).second) )->Write();
      if ( theTypes[name] == 3 )  ( (TProfile*)((*hh).second) )->Write();
    }

  else 
    std::cout << "Histos::put() : Histogram " 
         << name << " does not exist. Nothing done" << std::endl;

  f->Write();
  f->Close();

}

Member Data Documentation

Histos * Histos::myself = 0 [static, private]

Definition at line 73 of file Histos.h.

Referenced by instance().

TObject* Histos::theHisto [private]

Definition at line 76 of file Histos.h.

std::map<std::string,TObject*> Histos::theHistos [private]

Definition at line 77 of file Histos.h.

Referenced by book(), debug(), divide(), fill(), and put().

std::map<std::string,TObject*> Histos::theObjects [private]

Definition at line 79 of file Histos.h.

Referenced by addObject(), and put().

std::map<std::string,unsigned> Histos::theTypes [private]

Definition at line 78 of file Histos.h.

Referenced by book(), divide(), fill(), and put().

Histos Class Reference

Public Types

Public Member Functions

Static Public Member Functions

Private Member Functions

Private Attributes

Static Private Attributes

Detailed Description

Member Typedef Documentation

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation