# Eviltransform

A collection of functions for working with geospatial coordinates in China.

For information on geospatial coordinates in China, visit the wikipedia article 
[Restrictions on geographic data in China][1]

This code is a simple translation of the Python version found at 
https://github.com/googollee/eviltransform 
and is meant as a ruby contribution to that project.  
 
[1]: https://en.wikipedia.org/wiki/Restrictions_on_geographic_data_in_China


## Installation

Add this line to your application's Gemfile:

```ruby
gem 'eviltransform'
```

And then execute:

    $ bundle

Or install it yourself as:

    $ gem install eviltransform

## Usage

Please see the [test file][2] for usage examples.

[2]: https://github.com/doctorjane/eviltransform/blob/master/test/eviltransform_test.rb

## Development

After checking out the repo, run `bin/setup` to install dependencies. Then, run `rake test` 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](https://rubygems.org).

## Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/doctorjane/eviltransform.

## License

The gem is available as open source under the terms of the [MIT License](https://opensource.org/licenses/MIT).