JASTRONOMY::JGalacticCoordinates Struct Reference

Location of astrophysical source in Galactic coordinates. More...

#include <JAstronomy.hh>

Inheritance diagram for JASTRONOMY::JGalacticCoordinates:

Public Member Functions
	JGalacticCoordinates ()
	Default constructor.
	JGalacticCoordinates (const double latitude, const double longitude)
	Constructor.
	JGalacticCoordinates (const JSourceLocationJ2000 &location)
	Constructor.
	JGalacticCoordinates (const JAngle3D &angle)
	Constructor.
const JGalacticCoordinates &	getGalacticCoordinates () const
	Get Galactic coordinates.
	operator JAngle3D () const
	Type conversion operator.
double	getLatitude () const
	Get latitude.
double	getLongitude () const
	Get longitude.
double	getDot (const JGalacticCoordinates &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 in Galactic coordinates.

Definition at line 639 of file JAstronomy.hh.

Constructor & Destructor Documentation

JGalacticCoordinates() [1/4]

JASTRONOMY::JGalacticCoordinates::JGalacticCoordinates ( )

inline

Default constructor.

Definition at line 645 of file JAstronomy.hh.

    {}

JGalacticCoordinates() [2/4]

JASTRONOMY::JGalacticCoordinates::JGalacticCoordinates ( const double latitude, const double longitude )

inline

Constructor.

Parameters

latitude	Galactic latitude [rad]
longitude	Galactic longitude [rad]

Definition at line 655 of file JAstronomy.hh.

                                                 :
      angle_type_rad(latitude, longitude)
    {}

JGalacticCoordinates() [3/4]

JASTRONOMY::JGalacticCoordinates::JGalacticCoordinates

(

const JSourceLocationJ2000 &

location

)

Constructor.

Parameters

location

source location

Definition at line 739 of file JAstronomy.hh.

  {
    double dec = location.getDeclination();
    double ra  = location.getRightAscension();
 
    slaEqgal(ra, dec, &this->_phi_, &this->_theta_);
  }

JGalacticCoordinates() [4/4]

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

inline

Constructor.

Parameters

angle

polar angles [rad]

Definition at line 674 of file JAstronomy.hh.

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

Member Function Documentation

getGalacticCoordinates()

const JGalacticCoordinates & JASTRONOMY::JGalacticCoordinates::getGalacticCoordinates ( ) const

inline

Get Galactic coordinates.

Returns

Galactic coordinates

Definition at line 684 of file JAstronomy.hh.

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

operator JAngle3D()

JASTRONOMY::JGalacticCoordinates::operator JAngle3D ( ) const

inline

Type conversion operator.

Returns

polar angles [rad]

Definition at line 695 of file JAstronomy.hh.

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

getLatitude()

double JASTRONOMY::JGalacticCoordinates::getLatitude ( ) const

inline

Get latitude.

Definition at line 701 of file JAstronomy.hh.

getLongitude()

double JASTRONOMY::JGalacticCoordinates::getLongitude ( ) const

inline

Get longitude.

Definition at line 702 of file JAstronomy.hh.

getDot()

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

inline

Dot product.

Parameters

location

source location

Returns

dot product

Definition at line 711 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