USNO::Imagery

Builds URLs for consuming USNO's imagery data services. Example:

Earth at sunrise

Installation

Add this line to your application's Gemfile:

gem 'usno-imagery'

And then execute:

$ bundle

Or install it yourself as:

$ gem install usno-imagery

Usage

USNO::Imagery::Earth

The earth namespace will contain classes for viewing USNO's earth images.

# For an image of the entire earth (Mercator projection) with day / night
USNO::Imagery::Earth::Map.new(time: Time.now).call.data
  #=> "http://api.usno.navy.mil/imagery/earth.png?view=full&date=11/17/2013&time=1:11"

# For an image of the earth as seen from the sun
USNO::Imagery::Earth::Sun.new(time: Time.now).call.data
  #=> "http://api.usno.navy.mil/imagery/earth.png?view=sun&date=11/17/2013&time=1:13"

# For an image of the earth as seen from the moon
USNO::Imagery::Earth::Moon.new(time: Time.now).call.data
  #=> "http://api.usno.navy.mil/imagery/earth.png?view=moon&date=11/17/2013&time=1:12"

# For an image of the entire earth at sunrise
USNO::Imagery::Earth::Rise.new.call.data
  #=> "http://api.usno.navy.mil/imagery/earth.png?view=rise"

# For an image of the entire earth at sunset
USNO::Imagery::Earth::Set.new.call.data
  #=> "http://api.usno.navy.mil/imagery/earth.png?view=set"

Other USNO::Imagery libraries

# For an image of our Moon at any time between 1700 & 2100 A.D.
USNO::Imagery::Moon.new(time: Time.now).call.data
  #=> "http://api.usno.navy.mil/imagery/moon.png?date=11/17/2013&time=1:13"

# For an image of Mercury at any time between 1700 & 2100 A.D.
USNO::Imagery::Mercury.new(time: Time.now).call.data
  #=> "http://api.usno.navy.mil/imagery/mercury.png?date=11/17/2013&time=1:13"

# For an image of Venus at any time between 1700 & 2100 A.D.
USNO::Imagery::Venus.new(time: Time.now).call.data
  #=> "http://api.usno.navy.mil/imagery/venus.png?date=11/17/2013&time=1:13"

# For a radar image of Venus at any time between 1700 & 2100 A.D.
USNO::Imagery::Venus.new(time: Time.now, radar: true).call.data
  #=> "http://api.usno.navy.mil/imagery/venus-radar.png?date=11/17/2013&time=1:13"

# For an image of Mars at any time between 1700 & 2100 A.D.
USNO::Imagery::Mars.new(time: Time.now).call.data
  #=> "http://api.usno.navy.mil/imagery/mars.png?date=11/17/2013&time=1:13"

# For an image of Jupiter at any time between 1700 & 2100 A.D.
USNO::Imagery::Jupiter.new(time: Time.now).call.data
  #=> "http://api.usno.navy.mil/imagery/jupiter.png?date=11/17/2013&time=1:13"

# For an image of Jupiter's moon Io at any time between 1700 & 2100 A.D.
USNO::Imagery::Io.new(time: Time.now).call.data
  #=> "http://api.usno.navy.mil/imagery/io.png?date=11/17/2013&time=1:13"

# For an image of Jupiter's moon Europa at any time between 1700 & 2100 A.D.
USNO::Imagery::Europa.new(time: Time.now).call.data
  #=> "http://api.usno.navy.mil/imagery/europa.png?date=11/17/2013&time=1:13"

# For an image of Jupiter's moon Ganymede at any time between 1700 & 2100 A.D.
USNO::Imagery::Ganymede.new(time: Time.now).call.data
  #=> "http://api.usno.navy.mil/imagery/ganymede.png?date=11/17/2013&time=1:13"

# For an image of Jupiter's moon Callisto at any time between 1700 & 2100 A.D.
USNO::Imagery::Callisto.new(time: Time.now).call.data
  #=> "http://api.usno.navy.mil/imagery/callisto.png?date=11/17/2013&time=1:13"

Contributing

Fork it
Create your feature branch (git checkout -b my-new-feature)
Commit your changes (git commit -am 'Add some feature')
Push to the branch (git push origin my-new-feature)
Create new Pull Request