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matplotlib wrapper for Ruby
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bin Use pry in bin/console Feb 24, 2017
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lib Version 1.1.0 Oct 10, 2019
spec Rewrite for the latest pycall Sep 5, 2017
.gitignore
.rspec bundle gem matplotlib Oct 5, 2016
.travis.yml bundle gem matplotlib Oct 5, 2016
Gemfile Fix pycall dependency Sep 7, 2017
LICENSE.txt bundle gem matplotlib Oct 5, 2016
README.md ReadMe typo Oct 16, 2017
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matplotlib.gemspec Relax the versions of dependencies Feb 10, 2019

README.md

Matplotlib

This library enables to directly call matplotlib from Ruby language. This is built on top of pycall.

Installation

Add this line to your application's Gemfile:

gem 'matplotlib'

And then execute:

$ bundle

Or install it yourself as:

$ gem install --pre matplotlib

Usage

Using pyplot in irb console or standalone scripts

Example usage:

require 'matplotlib/pyplot'
plt = Matplotlib::Pyplot

xs = [*1..100].map {|x| (x - 50) * Math::PI / 100.0 }
ys = xs.map {|x| Math.sin(x) }

plt.plot(xs, ys)
plt.show()

IRuby integration

matplotlib/iruby provides integration between IRuby notebook and matplotlib. This functionality can be enabled by calling Matplotlib::IRuby.activate.

require 'matplotlib/iruby'
Matplotlib::IRuby.activate

matplotlib/iruby also loads matplotlib/pyplot, so you can use Matplotlib::Pyplot module without explicitly requiring matplotlib/pyplot. And this introduces a post execution hook which put figures that are created in a cell just below the execution result of the cell.

See ipynb files in examples to see example usages.

Development

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.

Contributing

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

License

The gem is available as open source under the terms of the MIT License.

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