Class: When::CalendarNote::Japanese::LunarPhases

Inherits:

LunarPhases

• Object
• BasicTypes::Object
• TM::Object
• TM::ReferenceSystem
• When::CalendarNote
• LuniSolarPositions
• LunarPhases
• When::CalendarNote::Japanese::LunarPhases

Defined in:

lib/when_exe/region/japanese/notes.rb

Overview

月の位相による暦注

Constant Summary

Constants inherited from When::CalendarNote

Bahai, CalendarDepend, Chinese, Default, When::CalendarNote::Javanese, When::CalendarNote::JulianDay, Mayan, Tibetan, Yis

Constants included from Parts::Resource

Parts::Resource::ConstList, Parts::Resource::ConstTypes, Parts::Resource::IRIHeader, Parts::Resource::LabelProperty

Instance Attribute Summary

Attributes inherited from LuniSolarPositions

#delta, #den, #formula, #margin, #num

Attributes inherited from When::CalendarNote

#event

Attributes inherited from TM::ReferenceSystem

#domain_of_validity, #position

Attributes inherited from BasicTypes::Object

#label

Attributes included from Parts::Resource

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

Class Method Summary

• ._day_notes(notes, dates, conditions = {}) ⇒ Object

  日の暦注.

Methods inherited from LuniSolarPositions

#event, #event_delta, #event_time, #position

Methods inherited from When::CalendarNote

#copy, #day, #duration, #enum_for, #include?, #month, #note?, #notes, #year

Methods inherited from TM::ReferenceSystem

#domain, #name

Methods included from Parts::Resource

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

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

Class Method Details

._day_notes(notes, dates, conditions = {}) ⇒ Object

日の暦注

# File 'lib/when_exe/region/japanese/notes.rb', line 947

def self._day_notes(notes, dates, conditions={})
  date = When.when?(dates.o_date.to_cal_date.to_s,
           {:frame=>dates.o_date.frame,
            :clock=>dates.l_date.frame.time_basis})
  phase, metsu = dates.cal4note.l_phases.position(date)

  # 滅
  notes['滅'] =  metsu == 2 && dates.range < 11 ? '滅' : nil

  # 月相
  unless notes['月相']
    # イベントの判定
    formula = dates.cal4note.l_phases.formula
    clock   = formula.kind_of?(When::Ephemeris::ChineseTrueLunation) &&
      (5..25).include?(dates.l_date.cal_date[2]) ?
        When.Clock(-21600) :               # 唐代暦法の望弦は午前6時を日の境界とする
        dates.l_date.frame._time_basis[-1] # その他(進朔も考慮した時刻)
    odate   = When.when?(dates.o_date.to_cal_date.to_s, {:frame=>dates.o_date.frame, :clock=>clock})
    phases  = formula.phase_range(odate)
    thitis  = phases.map {|phase| (phase % 1) * 30.0}
    note    = if thitis[0] >= thitis[1]
      dates.o_date.frame.kind_of?(When::CalendarTypes::Christian) || conditions[:shoyo] ? '朔' : nil
    else
      range = thitis[0]...thitis[1]
      range.include?( 7.5) ? '上弦' :
      range.include?(15.0) ? '望'   :
      range.include?(22.5) ? '下弦' : nil
    end

    # 結果の反映
    if conditions[:shoyo]
      # :shoyo が true ならイベント時刻も返す
      notes['月相'] = if note
        etime = formula._to_seed_type(formula.cn_to_time((phases[1] * 4).floor / 4.0), odate)
        if formula.respond_to?(:lunation_length) && formula.lunation_length.kind_of?(Rational)
          shoyo  =  etime.clk_time.universal_time
          shoyo +=  When::TM::Duration::DAY if (0...clock.universal_time).include?(shoyo)
          shoyo  = (shoyo  / When::TM::Duration::DAY * formula.denominator * 1000 + 0.5).floor / 1000.0
          shoyo  =  shoyo.to_i if shoyo == shoyo.to_i
          "#{note}(#{shoyo}/#{formula.denominator})"
        else
          etime.events = [note]
          etime
        end
      else
        nil
      end
    else
      # :shoyo が false ならイベン名のみ返す
      notes['月相'] = note
    end
  end

  # 月食
  notes['月食']        = nil # 計算できないので、偽としておく
  notes
end