This gem provides a simple and extremely flexible way to use HighCharts from ruby code. Tested on Ruby on Rails, Sinatra and Nanoc, but it should work with others too.

Code Quality Rank: L5
Monthly Downloads: 31,881
Programming language: Ruby
License: MIT License
Tags: Data Visualization    
Latest version: v1.5.8

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This gem provides a simple and extremely flexible way to use HighCharts from ruby code. Tested on Ruby on Rails, Sinatra and Nanoc, but it should work with others too. Highcharts is not free for commercial use, so make sure you have a valid license to use Highcharts.

Build Status Code Climate



Getting Help

  • Please report bugs on the issue tracker but read the "getting help" section in the wiki first.


Installation with rubygems

To install it, you just need to add it to your Gemfile:

gem 'lazy_high_charts'

edge version on trial

gem 'lazy_high_charts' --pre

then run

bundle install

and make sure to get the latest version (unless you'd like an older version for some reason)

rake highcharts:update

and add this in the application.js

//= require jquery
//= require jquery_ujs
//= require_tree .
//= require turbolinks

//= require highcharts/highcharts
//= require highcharts/highcharts-more
//= require highcharts/highstock

to install it.


Controller code:

@chart = LazyHighCharts::HighChart.new('graph') do |f|
  f.title(text: "Population vs GDP For 5 Big Countries [2009]")
  f.xAxis(categories: ["United States", "Japan", "China", "Germany", "France"])
  f.series(name: "GDP in Billions", yAxis: 0, data: [14119, 5068, 4985, 3339, 2656])
  f.series(name: "Population in Millions", yAxis: 1, data: [310, 127, 1340, 81, 65])

  f.yAxis [
    {title: {text: "GDP in Billions", margin: 70} },
    {title: {text: "Population in Millions"}, opposite: true},

  f.legend(align: 'right', verticalAlign: 'top', y: 75, x: -50, layout: 'vertical')
  f.chart({defaultSeriesType: "column"})

@chart_globals = LazyHighCharts::HighChartGlobals.new do |f|
  f.global(useUTC: false)
    backgroundColor: {
      linearGradient: [0, 0, 500, 500],
      stops: [
        [0, "rgb(255, 255, 255)"],
        [1, "rgb(240, 240, 255)"]
    borderWidth: 2,
    plotBackgroundColor: "rgba(255, 255, 255, .9)",
    plotShadow: true,
    plotBorderWidth: 1
  f.lang(thousandsSep: ",")
  f.colors(["#90ed7d", "#f7a35c", "#8085e9", "#f15c80", "#e4d354"])

View Helpers:

<%= high_chart_globals(@chart_globals) %>
<%= high_chart("some_id", @chart) %>

high_chart_globals is optional. Use it to set the global options of all charts that are currently displayed on the page. More info here.

No Data

When your series has no data and you want to display a message using Highcharts' noData feature (Highcarts doc) you have to include the no-data-to-display.js file like so:

//= require highcharts/highcharts
//= require highcharts/highcharts-more
//= require highcharts/modules/no-data-to-display

You can then set the actual message that is displayed like so:

    @chart = LazyHighCharts::HighChart.new('graph') do |f|
      f.options[:lang] = { noData: "My beautiful noData message" }
      f.title(text: nil)

Demo projects:

[Nanoc App](spec/dummy_nanoc)

[Rails App](spec/dummy_rails)

[Sinatra App](spec/dummy_sinatra)

Update to latest js library. Additional command line

To update to the current highcharts.js directly from http://code.highcharts.com/", you can always run

rake highcharts:update

And HC will be copied to your vendor/assets directory on your app

Deprecation notice:

If you use rails 2.3.x or 3.0.x or 3.1.x, please use versions less than 1.3.3.


We're open to any contribution. It has to be tested properly though.

  • Fork the project
  • Do your changes and commit them to your repository
  • Test your changes. We won't accept any untested contributions (except if they're not testable).
  • Create an issue with a link to your commits.

Thanks for all contributors



  • Copyright (c) 2008-2014 [MIT LICENSE](MIT-LICENSE)

*Note that all licence references and agreements mentioned in the LazyHighCharts README section above are relevant to that project's source code only.