nay-html5jp_graphs

= Html5jpGraphs

Html5jpGraphs is a Rails Plugin for HTML5.jp Graph Libraries.

HTML5.jp Graph Libraries are written by futomi, released under Apache License, Version 2.0. http://www.html5.jp/library/index.html

There are 4 kinds of graphs in HTML5.jp.

• vertical bar chart
• radar chart
• line chart
• pie chart

With this plugin, you can easily draw graphs using helper methods. Helper methods accepts both simple array data and your original complex model objects.

== Install

gem sources -a http://gems.github.com (you only have to do this once) sudo gem install nay-html5jp_graphs

==Example === Draw a Vertical Bar Chart

<%= vertical_bar_chart [['accesses', 520, 340, 804, 602], ['clicks', 101, 76, 239, 321]] %>

or you can use your own model obejct.

<%= vertical_bar_chart access_click_summaries %>

=== Draw a Radar Chart

<%= radar_chart [['review1', 5, 4, 3], ['review2', 3, 5, 2]], :aCap => ['price', 'style', 'sound'] %>

<%= radar_chart reviews %>

=== Draw a Line Chart

<%= line_chart [['accesses', 520, 340, 804, 602], ['clicks', 101, 76, 239, 321]] %>

<%= line_chart access_click_summaries %>

== Draw a Pie Chart

<%= pie_chart([["very good", 400], ["good", 300], ["bad", 100], ["very bad", 300]]) %>

<%= pie_chart opinions %>

== Options

You can use all options in HTML5.jp. Note that string options should be wrapped in ' ', or it would be used as a script code.

For example, to specify the backgroundColor option to a radar chart, write like this.

<%= line_chart access_click_summaries, :backgroundColor => "'red'" %>

Copyright (c) 2008 Yasuko Ohba ([e-mail]), released under the apache license