JASTRONOMY::JSourceLocationJ2000 Struct Reference

Location of astrophysical source. More...

#include <JAstronomy.hh>

Inheritance diagram for JASTRONOMY::JSourceLocationJ2000:

Public Member Functions
	JSourceLocationJ2000 ()
	Default constructor.
	JSourceLocationJ2000 (const double dec, const double ra)
	Constructor.
	JSourceLocationJ2000 (const double t1_s, const JSourceLocation &location)
	Conversion constructor.
	JSourceLocationJ2000 (const JGalacticCoordinates &location)
	Conversion constructor.
	JSourceLocationJ2000 (const JAngle3D &angle)
	Constructor.
const JSourceLocationJ2000 &	getSourceLocation () const
	Get source location.
	operator JAngle3D () const
	Type conversion operator.
double	getDeclination () const
	Get declination.
double	getRightAscension () const
	Get right ascension.
double	getDot (const JSourceLocationJ2000 &location) const
	Dot product.
void	set (const angle_type_deg &angle)
	Convert angle.
bool	equals (const angle_type &angle, const double precision=std::numeric_limits< double >::min()) const
	Check equality.

Protected Attributes
double	_theta_
double	_phi_

Detailed Description

Location of astrophysical source.

Definition at line 524 of file JAstronomy.hh.

Constructor & Destructor Documentation

JSourceLocationJ2000() [1/5]

JASTRONOMY::JSourceLocationJ2000::JSourceLocationJ2000 ( )

inline

Default constructor.

Definition at line 530 of file JAstronomy.hh.

    {}

JSourceLocationJ2000() [2/5]

JASTRONOMY::JSourceLocationJ2000::JSourceLocationJ2000 ( const double dec, const double ra )

inline

Constructor.

Parameters

dec	declination [rad]
ra	right ascension [rad]

Definition at line 540 of file JAstronomy.hh.

                                                 :
      angle_type_rad(dec, ra)
    {}

JSourceLocationJ2000() [3/5]

JASTRONOMY::JSourceLocationJ2000::JSourceLocationJ2000 ( const double t1_s, const JSourceLocation & location )

inline

Conversion constructor.

Parameters

t1_s	time since MJD [s]
location	source location

Definition at line 631 of file JAstronomy.hh.

                                                                                               :
    angle_type_rad(J2000::convert(t1_s, location, J2000::TO))
  {}

JSourceLocationJ2000() [4/5]

JASTRONOMY::JSourceLocationJ2000::JSourceLocationJ2000 ( const JGalacticCoordinates & location )

inline

Conversion constructor.

Parameters

location

source location

Definition at line 725 of file JAstronomy.hh.

  {
    double lat = location.getLatitude();
    double lon = location.getLongitude();
 
    slaGaleq(lon, lat, &this->_phi_, &this->_theta_);
  }

JSourceLocationJ2000() [5/5]

JASTRONOMY::JSourceLocationJ2000::JSourceLocationJ2000 ( const JAngle3D & angle )

inline

Constructor.

Parameters

angle

polar angles [rad]

Definition at line 568 of file JAstronomy.hh.

                                                       :
      angle_type_rad(PI/2 - angle.getTheta(), angle.getPhi())
    {}

Member Function Documentation

getSourceLocation()

const JSourceLocationJ2000 & JASTRONOMY::JSourceLocationJ2000::getSourceLocation ( ) const

inline

Get source location.

Returns

source location

Definition at line 578 of file JAstronomy.hh.

    {
      return static_cast<const JSourceLocationJ2000&>(*this);
    }

operator JAngle3D()

JASTRONOMY::JSourceLocationJ2000::operator JAngle3D ( ) const

inline

Type conversion operator.

Returns

polar angles [rad]

Definition at line 589 of file JAstronomy.hh.

    {
      return JAngle3D(PI/2 - _theta_, _phi_);
    }

getDeclination()

double JASTRONOMY::JSourceLocationJ2000::getDeclination ( ) const

inline

Get declination.

Definition at line 595 of file JAstronomy.hh.

getRightAscension()

double JASTRONOMY::JSourceLocationJ2000::getRightAscension ( ) const

inline

Get right ascension.

Definition at line 596 of file JAstronomy.hh.

getDot()

double JASTRONOMY::JSourceLocationJ2000::getDot ( const JSourceLocationJ2000 & location ) const

inline

Dot product.

Parameters

location

source location

Returns

dot product

Definition at line 605 of file JAstronomy.hh.

    {
      return 
        cos(this->_theta_) * cos(location._theta_) * cos(this->_phi_ - location._phi_) +
        sin(this->_theta_) * sin(location._theta_);
    }

set()

void JASTRONOMY::angle_type_rad::set ( const angle_type_deg & angle )

inlineinherited

Convert angle.

Parameters

angle

angle [rad]

Definition at line 293 of file JAstronomy.hh.

    {
      static_cast<angle_type_rad&>(*this) = angle_type_rad(angle);
    }

equals()

bool JASTRONOMY::angle_type::equals ( const angle_type & angle, const double precision = std::numeric_limits<double>::min() ) const

inlineinherited

Check equality.

Parameters

angle	pair of angles
precision	precision

Returns

true if angles are equal; else false

Definition at line 194 of file JAstronomy.hh.

    {
      return (fabs(this->_theta_ - angle._theta_) <= precision &&
              fabs(this->_phi_   - angle._phi_)   <= precision);
    }

Member Data Documentation

_theta_

double JASTRONOMY::angle_type::_theta_

protectedinherited

Definition at line 250 of file JAstronomy.hh.

_phi_

double JASTRONOMY::angle_type::_phi_

protectedinherited

Definition at line 251 of file JAstronomy.hh.

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

• JAstronomy.hh