Class: SunTime

Inherits:
Object
  • Object
show all
Includes:
DegreeTrig
Defined in:
lib/sun_time.rb,
lib/sun_time/degree_trig.rb

Defined Under Namespace

Modules: DegreeTrig Classes: AlwaysDarkError, AlwaysLightError

Constant Summary collapse

VERSION = 
'0.0.2'
MEAN_SOLAR_ANOMALY_DELTA = 
0.000001

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from DegreeTrig

#acos, #asin, #atan, #cos, #d2r, #r2d, #sin, #tan

Constructor Details

#initialize(date, lat, lng) ⇒ SunTime

Returns a new instance of SunTime.



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# File 'lib/sun_time.rb', line 14

def initialize (date, lat, lng)
  @date = date
  @lat = lat
  @lng = lng
  @m = nil
end

Instance Attribute Details

#date ⇒ Object (readonly)

Returns the value of attribute date.



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# File 'lib/sun_time.rb', line 12

def date
  @date
end

#lat ⇒ Object (readonly)

Returns the value of attribute lat.



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# File 'lib/sun_time.rb', line 12

def lat
  @lat
end

#lng ⇒ Object (readonly)

Returns the value of attribute lng.



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# File 'lib/sun_time.rb', line 12

def lng
  @lng
end

Instance Method Details

#sunrise ⇒ Object 



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# File 'lib/sun_time.rb', line 21

def sunrise
  jd2time j_rise
rescue AlwaysDarkError, AlwaysLightError
  nil
end

#sunset ⇒ Object 



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# File 'lib/sun_time.rb', line 27

def sunset
  jd2time j_set
rescue AlwaysDarkError, AlwaysLightError
  nil
end