Class: When::Ephemeris::Datum::Big

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

Overview

Big planets - Jupiter and Saturn

軌道が互いに影響を与えており、共鳴項が大きい

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, #mean_motion, #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:



543
544
545
546
547
548
549
550
551
552
553
554
555
 
# File 'lib/when_exe/ephemeris/planets.rb', line 543

def _coords(t)
  y  = julian_year_from_1975(+t)
  phi = nn = trigonometric(y, @nn)
  @jsn.each_index do |k|
    phi += @jsn[k] * sind((k+1)*nn)
  end
  Coords.polar(
              (phi+ @jsl[0]*sind(2*phi+@jsl[1]) + @jsl[2] + @jsl[3]*y) / 360,
                                       asin(@jst[0]*sind(phi+@jst[1])) / CIRCLE +
    ((@jst[2]+@jst[3]*y)*sind(phi+@jst[4]) + trigonometric(y, @theta)) / 360,
         10**(trigonometric(y,@radius)) * @jsr[0]/(1+@jsr[1]*cosd(phi)),
                                          trigonometric(y, @phi, 0, 1) / 360)
end