JASTRONOMY::JResolutionLog Struct Reference

Implementation of detector resolution based on histogram filled according log10(alpha). More...

#include <JResolution.hh>

Inheritance diagram for JASTRONOMY::JResolutionLog:

Public Member Functions
JDirection3D	get () const override
	Get direction.
virtual std::istream &	read (std::istream &in) override
	Read detector resolution from input stream.
virtual std::ostream &	write (std::ostream &out) const override
	Write detector resolution to output stream.

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

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

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

Detailed Description

Implementation of detector resolution based on histogram filled according log10(alpha).

Note that all input angles are in degrees.

Definition at line 323 of file JResolution.hh.

Member Function Documentation

get()

JDirection3D JASTRONOMY::JResolutionLog::get ( ) const

inlineoverridevirtual

Get direction.

Returns

direction

Implements JASTRONOMY::JResolution.

Definition at line 331 of file JResolution.hh.

    {
      using namespace JPP;
 
      JDirection3D u(0.0, 0.0, 1.0);
 
      if (h1 != NULL) {
 
        const double theta = getRadians(pow(10.0,h1->GetRandom(gRandom)));
        const double phi   = gRandom->Uniform(-PI, +PI);
 
        const JRotation3D R(JAngle3D(theta, phi));
 
        u.rotate_back(R);
      }
 
      return u;
    }

read()

virtual std::istream & JASTRONOMY::JResolutionTH1::read ( std::istream & in )

inlineoverridevirtualinherited

Read detector resolution from input stream.

Parameters

in	input stream

Returns

input stream

Implements JASTRONOMY::JResolution.

Definition at line 243 of file JResolution.hh.

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

write()

virtual std::ostream & JASTRONOMY::JResolutionTH1::write ( std::ostream & out ) const

inlineoverridevirtualinherited

Write detector resolution to output stream.

Parameters

out	output stream

Returns

output stream

Implements JASTRONOMY::JResolution.

Definition at line 260 of file JResolution.hh.

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

load()

void JASTRONOMY::JResolutionTH1::load ( )

inlineprotectedinherited

Load histogram from file.

Definition at line 299 of file JResolution.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::JResolutionTH1::filename

inherited

Definition at line 292 of file JResolution.hh.

histname

std::string JASTRONOMY::JResolutionTH1::histname

inherited

Definition at line 293 of file JResolution.hh.

in

TFile* JASTRONOMY::JResolutionTH1::in = NULL

mutableprotectedinherited

Definition at line 314 of file JResolution.hh.

h1

TH1D* JASTRONOMY::JResolutionTH1::h1 = NULL

mutableprotectedinherited

Definition at line 315 of file JResolution.hh.

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

• JResolution.hh