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

Inherits:
When::Ephemeris::Datum show all
Defined in:
lib/when_exe/region/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, P0B, P0L, P0P, P0dB, P0dL, P1B, P1L, P1R, P2B, P2L, P2Q, P2dL, P3L, P3Q, P4B, P4L, P4Q, P4dL, P5B, P5L, P5Q, P5dL, P5l, P5n, P5r, P5t, P6B, P6L, P6Q, P6dL, P6l, P6n, P6r, P6t, P7B, P7L, P7R, P8B, P8L, P8R, P9B, P9L, P9R, PSEC, Pluto, SIN, SINL, SINLT, SINT, Saturn, Uranus, Venus

Constants included from Parts::Resource

Parts::Resource::LabelProperty

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

#_pool, #child, #keys, #locale, #namespace

Instance Method Summary collapse

Methods inherited from When::Ephemeris::Datum

#apparent_luminosity, #apparent_radius, #axis_of_rotation, #eclipse, #elongation, #equation_of_time, #mean_longitude, #mean_motion, #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

#[], #^, _decode, _encode, _extract_prefix, _instance, _parse, _path_with_prefix, _replace_tags, _setup_, #each, #enum_for, #hierarchy, #include?, #included?, #iri, #leaf?, #m17n, #map, #next, #parent, #prev, #registered?

Methods included from Parts::Resource::Pool

#[], #[]=, #_pool, #_setup_, #pool_keys

Methods included from Parts::Resource::Synchronize

#synchronize

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/region/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