sunriset.rb in calc_sun-1.2.6

- old
+ new
@@ -1,35 +1,23 @@
-require 'benchmark'
+#!/usr/bin/env ruby
+
 lib = File.expand_path('../../lib', __FILE__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
+
+lat = 39.742476
+lon = -105.1786
+
 require 'calc_sun'
 cs = CalcSun.new
 
-require 'date'
-DJ00 = DateTime.parse('2000-01-01T12:00:00').jd
+# require 'date' is included in CalcSun class
+ajd = DateTime.new(2003, 10, 17, 12, 30, 30).ajd.to_f
+puts cs.ajd2dt(ajd)
 
-lat = 41.95
-lon = -88.75
-day = Date.parse('2016-12-25')
-jd = day.jd - DJ00 - lon / 360.0
-rise = cs.t_rise(jd, lon, lat)
-midday = cs.t_mid_day(jd, lon, lat)
-set = cs.t_set(jd, lon, lat)
+# set the date/time with #set_datetime as date and time string.
+# this just creates a DateTime object and you could create your own.
+day = cs.set_datetime('2003-10-17 12:30:30')
+puts day
 
-printf("\n")
-
-printf("\tSun rises \t\t\t : %2.0f:%02.0f UTC\n",
-       rise.floor, (rise % 1 * 60.0).floor)
-
-printf("\tSun midday \t\t\t : %2.0f:%02.0f UTC\n",
-       midday.floor, ((midday % 1.0) * 60).floor)
-
-printf("\tSun sets \t\t\t : %2.0f:%02.0f UTC\n",
-       set.floor, (set % 1 * 60.0).floor)
-
-n = 1_000_000
-puts 'running three method calls 1_000_000 times'
-Benchmark.bm(7) do |x|
-  x.report('rise:') { n.times { ; cs.t_rise(jd, lon, lat); } }
-  x.report('midday:') { n.times { ; cs.t_mid_day(jd, lon, lat); } }
-  x.report('set:') { n.times { ; cs.t_set(jd, lon, lat); } }
-end
+puts "Sun rise: #{cs.rise(day.ajd, lat, lon).httpdate}"
+puts "Sun noon: #{cs.noon(day.ajd, lat, lon).httpdate}"
+puts "Sun set: #{cs.set(day.ajd, lat, lon).httpdate}"