Class: When::Ephemeris::Datum::Far

Inherits:
When::Ephemeris::Datum show all
Defined in:
lib/when_exe/ephemeris/planets.rb

Overview

Far planets - Mercury, Uranus, Neptune and Pluto

起動要素の精度が低く、平均運動がユリウス世紀あたりの値である

Constant Summary

Constants included from When::Ephemeris

AU, AcS, BCENT, C0, CIRCLE, COS, COSL, COSLT, COST, When::Ephemeris::DAY, When::Ephemeris::DEG, EPOCH1800, EPOCH1900, EPOCH1975, EPOCH2000, FARAWAY, JCENT, JYEAR, Jupiter, LIN, Mars, Mercury, Neptune, PSEC, Pluto, SIN, SINL, SINLT, SINT, Saturn, Uranus, Venus

Constants included from Namespace

Namespace::DC, Namespace::DCQ, Namespace::DCT, Namespace::FOAF, Namespace::OWL, Namespace::RDF, Namespace::RDFC, Namespace::RDFS, Namespace::RSS, Namespace::XSD

Instance Attribute Summary

Attributes inherited from When::Ephemeris::Datum

#air, #axis, #dl, #first_day, #jsl, #jsn, #jsr, #jst, #last_day, #nn, #phi, #radius, #shape, #sid, #surface_radius, #theta, #zeros

Attributes inherited from CelestialObject

#aberration, #luminosity

Attributes inherited from BasicTypes::Object

#label

Attributes included from Parts::Resource

#child, #keys, #locale, #namespace

Instance Method Summary collapse

Methods inherited from When::Ephemeris::Datum

#apparent_luminosity, #apparent_radius, #axis_of_rotation, #elongation, #equation_of_time, #mean_longitude, #phase_of_eclipse, #true_longitude

Methods inherited from CelestialObject

#coords

Methods included from When::Ephemeris

_adjust, _rot, _to_p2, _to_p3, _to_r3, acos, asin, cosc, cosd, delta_e, delta_p, julian_century_from_2000, julian_year_from_1975, obl, polynomial, root, sinc, sind, tanc, tand, trigonometric

Methods included from Parts::Resource

#[], #^, _instance, _setup_, _setup_info, base_uri, #each, #enum_for, #hierarchy, #include?, #included?, #iri, #leaf?, #m17n, #map, #parent, #registered?, root_dir

Methods included from Parts::Resource::Pool

#[], #[]=, #_setup_

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class When::Parts::Resource

Instance Method Details

#_coords(t) ⇒ When::Ephemeris::Coords

位置 (黄道座標)

Parameters:

Returns:



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# File 'lib/when_exe/ephemeris/planets.rb', line 487

def _coords(t)
  c = julian_century_from_2000(+t)
  Coords.polar(
    trigonometric(c, @phi)       / 360,
    trigonometric(c, @theta)     / 360,
    trigonometric(c, @radius)    / 360,
    trigonometric(c, @phi, 0, 1) / 360).nutation(c)
end

#mean_motion ⇒ Numeric

平均運動 / (DEG/YEAR)

Returns:



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# File 'lib/when_exe/ephemeris/planets.rb', line 500

def mean_motion
  100.0 * super
end