Module: Daylight

Defined in:
lib/trigger_switch_d/daylight.rb

Overview

External referenses used: www.stjarnhimlen.se (accessed 2010-03-02) users.electromagnetic.net/bu/astro/sunrise-set.php (accessed 2010-03-02) www.astro.uu.nl/~strous/AA/en/reken/zonpositie.html (accessed 2010-03-02)

Defined Under Namespace

Modules: DayFloat

Constant Summary collapse

JULIAN_DAYS_UNTIL_YEAR_2000 =

:nodoc:all

2451545.0
UNIT_CIRCLE = 
360.0
C1 = 
0.0009
C2 = 
357.5291
C3 = 
0.98560028
C4 = 
1.9148
C5 = 
0.0200
C6 = 
0.0003
C7 = 
102.9372
C8 = 
0.0053
C9 = 
0.0069
C10 = 
23.45
C11 = 
-0.83
FOR = 
{:sunrise => -1, :sunset => 1}

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.extended(receiver) ⇒ Object 



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# File 'lib/trigger_switch_d/daylight.rb', line 40

def self.extended(receiver)
  days = receiver.jd
  raise "method jd on #{receiver} does not return Fixnum" unless days.kind_of? Fixnum
end

Instance Method Details

#__prepare_float__ ⇒ Object 



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# File 'lib/trigger_switch_d/daylight.rb', line 99

def __prepare_float__
  Float.class_eval {include DayFloat}
  def __prepare_float__
  end
end

#sunrise(at_location) ⇒ Object 



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# File 'lib/trigger_switch_d/daylight.rb', line 45

def sunrise(at_location)
  time_for(:sunrise,at_location)
end

#sunset(at_location) ⇒ Object 



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# File 'lib/trigger_switch_d/daylight.rb', line 49

def sunset(at_location)
  time_for(:sunset,at_location)
end