Ruby port of the script globalmaptiles.py from Tiles à la Google Maps: Coordinates, Tile Bounds and Projection
Lon/Lat convention was chosen over Lat/Lon as it's the convention of GeoJSON.
Add this line to your application's Gemfile:
gem "global_map_tiles"And then execute:
$ bundle install
Or install it yourself as:
$ gem install global_map_tiles
require "global_map_tiles"
mercator = GlobalMapTiles::GlobalMercator.new
puts mercator.lon_lat_to_meters(13.24, 52.31)
puts mercator.meters_to_lon_lat(1473870.058102942, 6856372.69101939)See all the examples in spec/global_mercator_spec.rb
After checking out the repo, run bin/setup to install dependencies. Then, run rake spec to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.
To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.
Bug reports and pull requests are welcome on GitHub at https://github.com/x4d3/global_map_tiles.
The gem is available as open source under the terms of the MIT License.