JASTRONOMY::JNuisanceTH1 Struct Reference

Implementation of nuisance based on histogram. More...

#include <JNuisance.hh>

Inheritance diagram for JASTRONOMY::JNuisanceTH1:

Public Member Functions
virtual	~JNuisanceTH1 ()
	Virtual destructor.
virtual std::istream &	read (std::istream &in) override
	Read nuisance from input stream.
virtual std::ostream &	write (std::ostream &out) const override
	Write nuisance to output stream.
double	get () const override
	Get value.

Public Attributes
std::string	filename
std::string	histname

Static Public Attributes
static constexpr double	FACTOR = 1.0
	Central value.

Protected Member Functions
void	load ()
	Load histogram from file.

Protected Attributes
TFile *	in = NULL
TH1D *	h1 = NULL

Detailed Description

Implementation of nuisance based on histogram.

Definition at line 256 of file JNuisance.hh.

Constructor & Destructor Documentation

~JNuisanceTH1()

virtual JASTRONOMY::JNuisanceTH1::~JNuisanceTH1 ( )

inlinevirtual

Virtual destructor.

Definition at line 262 of file JNuisance.hh.

    {
      if (in != NULL) {
        in->Close();
      }
    }

Member Function Documentation

read()

virtual std::istream & JASTRONOMY::JNuisanceTH1::read ( std::istream & in )

inlineoverridevirtual

Read nuisance from input stream.

Parameters

in	input stream

Returns

input stream

Implements JASTRONOMY::JNuisance.

Definition at line 276 of file JNuisance.hh.

    {
      in >> this->filename
         >> this->histname;
 
      load();
 
      return in;
    }

write()

virtual std::ostream & JASTRONOMY::JNuisanceTH1::write ( std::ostream & out ) const

inlineoverridevirtual

Write nuisance to output stream.

Parameters

out	output stream

Returns

output stream

Implements JASTRONOMY::JNuisance.

Definition at line 293 of file JNuisance.hh.

    {
      return out << this->filename << ' '
                 << this->histname;
    }

get()

double JASTRONOMY::JNuisanceTH1::get ( ) const

inlineoverridevirtual

Get value.

Returns

value

Implements JASTRONOMY::JNuisance.

Definition at line 305 of file JNuisance.hh.

    {
      return h1->GetRandom(gRandom);
    }

load()

void JASTRONOMY::JNuisanceTH1::load ( )

inlineprotected

Load histogram from file.

Definition at line 318 of file JNuisance.hh.

    {
      in = TFile::Open(filename.c_str(), "exist");
 
      if (in == NULL || !in->IsOpen()) {
        THROW(JFileOpenException, "File: " << filename << " not opened.");
      }
 
      h1 = dynamic_cast<TH1D*>(in->Get(histname.c_str()));
 
      if (h1 == NULL) {
        THROW(JValueOutOfRange, "Histogram: " << histname << " not found.");
      }
    }

Member Data Documentation

filename

std::string JASTRONOMY::JNuisanceTH1::filename

Definition at line 311 of file JNuisance.hh.

histname

std::string JASTRONOMY::JNuisanceTH1::histname

Definition at line 312 of file JNuisance.hh.

in

TFile* JASTRONOMY::JNuisanceTH1::in = NULL

mutableprotected

Definition at line 333 of file JNuisance.hh.

h1

TH1D* JASTRONOMY::JNuisanceTH1::h1 = NULL

mutableprotected

Definition at line 334 of file JNuisance.hh.

FACTOR

double JASTRONOMY::JNuisance::FACTOR = 1.0

staticconstexprinherited

Central value.

Definition at line 45 of file JNuisance.hh.

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The documentation for this struct was generated from the following file:

• JNuisance.hh