Horizon Class Reference

Horizon mounted antenna with first rotation in horizontal plane. More...

#include <Horizon.h>

Inheritance diagram for Horizon:

Public Member Functions
	Horizon (double az=0, double el=0)
	Default constructor.
double	get_azimuth () const
	Get the azimuth angle in radians.
double	get_elevation () const
	Get the elevation angle in radians.
double	get_zenith () const
	Get the zenith angle in radians.
std::string	get_name () const
	Get the name of the mount.
std::vector< std::pair< double, Mount * > >	slew_times (const sky_coord &coords)
	Return all possible slew times and resulting telescope states.
std::vector< std::pair< double, Mount * > >	slew_times (double az, double el)
void	set_minimum_azimuth (double a)
double	get_minimum_azimuth () const
void	set_maximum_azimuth (double a)
double	get_maximum_azimuth () const
void	set_minimum_elevation (double a)
double	get_minimum_elevation () const
void	set_maximum_elevation (double a)
double	get_maximum_elevation () const
void	set_azimuth_velocity (double a)
double	get_azimuth_velocity () const
void	set_elevation_velocity (double a)
double	get_elevation_velocity () const
Public Member Functions inherited from Directional
	Directional ()
	Default constructor.
virtual double	get_vertical () const
	Get the counter-clockwise angle from north toward zenith in radians.
double	get_parallactic_angle () const
	Synonym for vertical angle.
Public Member Functions inherited from Mount
	Mount ()
	Default constructor.
virtual	~Mount ()
	Destructor.
void	set_source_coordinates (const sky_coord &coords)
	Set the coordinates of the source.
void	set_observatory_latitude (double latitude)
	Set the latitude of the observatory in radians.
double	get_observatory_latitude () const
void	set_observatory_longitude (double longitude)
	Set the longitude of the observatory in radians East of Greenwich.
double	get_observatory_longitude () const
void	set_epoch (const MJD &epoch)
	Set the epoch in Modified Julian Days.
MJD	get_epoch () const
void	set_hour_angle (double rad)
	Set the hour_angle in radians.
double	get_hour_angle () const
	Get the hour_angle in radians.
void	set_local_sidereal_time (double rad)
	Set the LST in radians.
double	get_local_sidereal_time () const
	Get the LST in radians.
Public Member Functions inherited from Reference::Able
	Able ()
	Default constructor.
	Able (const Able &)
	Copy constructor.
Able &	operator= (const Able &)
	Assignment operator.
virtual	~Able ()
	Destructor.
unsigned	get_reference_count () const
	Returns the number of references there are to this.
Public Member Functions inherited from Reference::HeapTracked
	HeapTracked ()
	Default constructor.
	HeapTracked (const HeapTracked &)
	Copy constructor.
HeapTracked &	operator= (const HeapTracked &)
	Assignment operator.
virtual	~HeapTracked ()
	Destructor.
bool	__is_on_heap () const
	Return true if this instance is found in heap addresses.

Protected Member Functions
Matrix< 3, 3, double >	get_basis (const Vector< 3, double > &from_source) const
	Get the receptor basis in the reference frame of the observatory.
Protected Member Functions inherited from Directional
void	build () const
	Lazily evaluate.
Protected Member Functions inherited from Mount
bool	get_built () const
	Return true when outputs reflect inputs.
Protected Member Functions inherited from Reference::Able
Handle *	__reference (bool active) const
	Add the address of a reference to this object.
void	__dereference (bool auto_delete=true) const
	Remove the address of a reference to this object.

Protected Attributes
double	azimuth
	The telescope azimuth in radians.
double	elevation
	The telescope elevation in radians.
double	minimum_azimuth
double	maximum_azimuth
double	minimum_elevation
double	maximum_elevation
double	azimuth_velocity
double	elevation_velocity
Protected Attributes inherited from Directional
double	vertical
	The parallactic angle in radians.
Protected Attributes inherited from Mount
double	declination
	The declination of the source in radians.
double	right_ascension
	The right ascension of the source in radians.
double	latitude
	The latitude of the observatory in radians.
double	longitude
	The latitude of the observatory in radians East of Greenwich.
MJD	epoch
	The epoch.
double	lst
	The LST in radians.
double	hour_angle
	The hour angle in radians.
Matrix< 3, 3, double >	source_basis
	Basis pointing to source in celestial reference frame.
Matrix< 3, 3, double >	observatory_basis
	Basis pointing to observatory in celestial reference frame.

Additional Inherited Members
Static Public Member Functions inherited from Reference::Able
static size_t	get_instance_count ()
	Returns the current number instances in existence.
Static Public Member Functions inherited from Reference::HeapTracked
static void *	operator new (size_t size, void *ptr=0)
	Records the addresses of new instances allocated on the heap.
static void	operator delete (void *location, void *ptr)
	Placement delete overload to match the placement new overload.
static void	operator delete (void *location)
	Regular delete overload.
static size_t	get_heap_queue_size ()
	Return the number of heap addresses awaiting processing.

Detailed Description

Horizon mounted antenna with first rotation in horizontal plane.

Also known as altazimuth, az-el, Dobsonian, or even x-y mount

Member Function Documentation

get_basis()

Matrix< 3, 3, double > Horizon::get_basis ( const Vector< 3, double > & from_source ) const

protectedvirtual

Get the receptor basis in the reference frame of the observatory.

Implements Directional.

References azimuth, Vector< unsigned N, typename T >::basis(), and elevation.

get_name()

std::string Horizon::get_name ( ) const

virtual

Get the name of the mount.

Implements Mount.

slew_times()

std::vector< std::pair< double, Mount * > > Horizon::slew_times ( const sky_coord & coords )

virtual

Return all possible slew times and resulting telescope states.

Reimplemented from Mount.

References get_azimuth(), get_elevation(), Horizon(), Mount::set_source_coordinates(), and slew_times().

Referenced by slew_times().

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The documentation for this class was generated from the following files:

• Horizon.h
• Horizon.C