This project contains proj.4 extensions to the rgeo gem.
proj.4 is available at http://proj4.org/.
Add this line to your Gemfile:
And then execute:
Or install it yourself as:
$ gem install rgeo-proj4
proj.4 using your package manager:
brew install proj
apt-get install libproj-dev
Or download binaries at http://proj4.org/
By default, the gem looks for the Proj4 library in the following paths:
/usr/local /usr/local/proj /usr/local/proj4 /opt/local /opt/proj /opt/proj4 /opt /usr /Library/Frameworks/PROJ.framework/unix
If Proj4 is installed in a different location, you must provide its
installation prefix directory using the
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
Bug reports and pull requests are welcome on GitHub at https://github.com/rgeo/rgeo-proj4. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the Contributor Covenant code of conduct.
The gem is available as open source under the terms of the MIT License.
Code of Conduct
Everyone interacting in the
rgeo-proj4 project’s codebases, issue trackers, chat rooms and mailing
lists is expected to follow the
code of conduct.