altitude.hpp File Reference

Altitude computations for Sun, Moon, stars, and arbitrary ICRS directions. More...

#include "bodies.hpp"
#include "coordinates.hpp"
#include "ffi_core.hpp"
#include "time.hpp"
#include <cstdint>
#include <vector>

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Classes
struct	siderust::CrossingEvent
	A threshold-crossing event (rising or setting). More...
struct	siderust::CulminationEvent
	A culmination (local altitude extremum) event. More...
struct	siderust::SearchOptions
	Options for altitude search algorithms. More...

Namespaces
namespace	siderust
namespace	siderust::detail
namespace	siderust::sun
namespace	siderust::moon
namespace	siderust::star_altitude
namespace	siderust::icrs_altitude

Functions
std::vector< Period< TT, MJD > >	siderust::detail::periods_from_c (tempoch_period_mjd_t *ptr, uintptr_t count)
std::vector< CrossingEvent >	siderust::detail::crossings_from_c (siderust_crossing_event_t *ptr, uintptr_t count)
std::vector< CulminationEvent >	siderust::detail::culminations_from_c (siderust_culmination_event_t *ptr, uintptr_t count)
qtty::Radian	siderust::sun::altitude_at (const Geodetic &obs, const Time< TT, MJD > &mjd)
	Compute the Sun's altitude (radians) at a given Time<TT, MJD> instant.
std::vector< Period< TT, MJD > >	siderust::sun::above_threshold (const Geodetic &obs, const Period< TT, MJD > &window, qtty::Degree threshold, const SearchOptions &opts={})
	Find periods when the Sun is above a threshold altitude.
std::vector< Period< TT, MJD > >	siderust::sun::below_threshold (const Geodetic &obs, const Period< TT, MJD > &window, qtty::Degree threshold, const SearchOptions &opts={})
	Find periods when the Sun is below a threshold altitude.
std::vector< CrossingEvent >	siderust::sun::crossings (const Geodetic &obs, const Period< TT, MJD > &window, qtty::Degree threshold, const SearchOptions &opts={})
	Find threshold-crossing events for the Sun.
std::vector< CulminationEvent >	siderust::sun::culminations (const Geodetic &obs, const Period< TT, MJD > &window, const SearchOptions &opts={})
	Find culmination events for the Sun.
std::vector< Period< TT, MJD > >	siderust::sun::altitude_ranges (const Geodetic &obs, const Period< TT, MJD > &window, qtty::Degree min_alt, qtty::Degree max_alt, const SearchOptions &opts={})
	Find periods when the Sun's altitude is within [min, max].
qtty::Radian	siderust::moon::altitude_at (const Geodetic &obs, const Time< TT, MJD > &mjd)
	Compute the Moon's altitude (radians) at a given Time<TT, MJD> instant.
std::vector< Period< TT, MJD > >	siderust::moon::above_threshold (const Geodetic &obs, const Period< TT, MJD > &window, qtty::Degree threshold, const SearchOptions &opts={})
	Find periods when the Moon is above a threshold altitude.
std::vector< Period< TT, MJD > >	siderust::moon::below_threshold (const Geodetic &obs, const Period< TT, MJD > &window, qtty::Degree threshold, const SearchOptions &opts={})
	Find periods when the Moon is below a threshold altitude.
std::vector< CrossingEvent >	siderust::moon::crossings (const Geodetic &obs, const Period< TT, MJD > &window, qtty::Degree threshold, const SearchOptions &opts={})
	Find threshold-crossing events for the Moon.
std::vector< CulminationEvent >	siderust::moon::culminations (const Geodetic &obs, const Period< TT, MJD > &window, const SearchOptions &opts={})
	Find culmination events for the Moon.
std::vector< Period< TT, MJD > >	siderust::moon::altitude_ranges (const Geodetic &obs, const Period< TT, MJD > &window, qtty::Degree min_alt, qtty::Degree max_alt, const SearchOptions &opts={})
	Find periods when the Moon's altitude is within [min, max].
qtty::Radian	siderust::star_altitude::altitude_at (const Star &s, const Geodetic &obs, const Time< TT, MJD > &mjd)
	Compute a star's altitude (radians) at a given Time<TT, MJD> instant.
std::vector< Period< TT, MJD > >	siderust::star_altitude::above_threshold (const Star &s, const Geodetic &obs, const Period< TT, MJD > &window, qtty::Degree threshold, const SearchOptions &opts={})
	Find periods when a star is above a threshold altitude.
std::vector< Period< TT, MJD > >	siderust::star_altitude::below_threshold (const Star &s, const Geodetic &obs, const Period< TT, MJD > &window, qtty::Degree threshold, const SearchOptions &opts={})
	Find periods when a star is below a threshold altitude.
std::vector< CrossingEvent >	siderust::star_altitude::crossings (const Star &s, const Geodetic &obs, const Period< TT, MJD > &window, qtty::Degree threshold, const SearchOptions &opts={})
	Find threshold-crossing events for a star.
std::vector< CulminationEvent >	siderust::star_altitude::culminations (const Star &s, const Geodetic &obs, const Period< TT, MJD > &window, const SearchOptions &opts={})
	Find culmination events for a star.
qtty::Radian	siderust::icrs_altitude::altitude_at (const spherical::direction::ICRS &dir, const Geodetic &obs, const Time< TT, MJD > &mjd)
	Compute altitude (radians) for a fixed ICRS direction.
qtty::Radian	siderust::icrs_altitude::altitude_at (qtty::Degree ra, qtty::Degree dec, const Geodetic &obs, const Time< TT, MJD > &mjd)
	Backward-compatible RA/Dec overload.
std::vector< Period< TT, MJD > >	siderust::icrs_altitude::above_threshold (const spherical::direction::ICRS &dir, const Geodetic &obs, const Period< TT, MJD > &window, qtty::Degree threshold, const SearchOptions &opts={})
	Find periods when a fixed ICRS direction is above a threshold.
std::vector< Period< TT, MJD > >	siderust::icrs_altitude::below_threshold (const spherical::direction::ICRS &dir, const Geodetic &obs, const Period< TT, MJD > &window, qtty::Degree threshold, const SearchOptions &opts={})
	Find periods when a fixed ICRS direction is below a threshold.
std::vector< Period< TT, MJD > >	siderust::icrs_altitude::altitude_ranges (const spherical::direction::ICRS &dir, const Geodetic &obs, const Period< TT, MJD > &window, qtty::Degree min_alt, qtty::Degree max_alt, const SearchOptions &opts={})
	Find periods when a fixed ICRS direction's altitude is within [min, max].

Detailed Description

Altitude computations for Sun, Moon, stars, and arbitrary ICRS directions.

Wraps siderust-ffi's altitude API with exception-safe C++ types and RAII-managed output arrays.

Definition in file altitude.hpp.