JASTRONOMY::JResolutionGauss Struct Reference

Implementation of Gaussian detector resolution. More...

#include <JResolution.hh>

Inheritance diagram for JASTRONOMY::JResolutionGauss:

Public Member Functions
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.
JDirection3D	get () const override
	Get direction.

Public Attributes
double	sigma_deg

Detailed Description

Implementation of Gaussian detector resolution.

Note that all input angles are in degrees.

Definition at line 87 of file JResolution.hh.

Member Function Documentation

read()

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

inlineoverridevirtual

Read detector resolution from input stream.

Parameters

in	input stream

Returns

input stream

Implements JASTRONOMY::JResolution.

Definition at line 96 of file JResolution.hh.

    {
      return in >> this->sigma_deg;
    }

write()

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

inlineoverridevirtual

Write detector resolution to output stream.

Parameters

out	output stream

Returns

output stream

Implements JASTRONOMY::JResolution.

Definition at line 108 of file JResolution.hh.

    {
      return out << this->sigma_deg;
    }

get()

JDirection3D JASTRONOMY::JResolutionGauss::get ( ) const

inlineoverridevirtual

Get direction.

Returns

direction

Implements JASTRONOMY::JResolution.

Definition at line 119 of file JResolution.hh.

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

Member Data Documentation

sigma_deg

double JASTRONOMY::JResolutionGauss::sigma_deg

Definition at line 139 of file JResolution.hh.

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

• JResolution.hh