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=Seer
Seer is a lightweight, semantically rich wrapper for the Google Visualization API. It allows you to easily create a visualization of data in a variety of formats, including area charts, bar charts, column charts, gauges, line charts, and pie charts.
==Usage
Add the following to the head of the page that will display a chart, or add it to your layout file:
<%= Seer::init_visualization -%>
Gather the data you want to visualize in an instance variable in your controller, then use the visualize method to insert the appropriate chart in your view.
== Example
In your controller:
@data = Widget.all
In your view:
<%= Seer::visualize( @widgets, :as => :bar_chart, :in_element => 'chart', :series => {:series_label => 'name', :data_method => 'quantity'}, :chart_options => { :height => 300, :width => 200 * @widgets.size, :is_3_d => false, :legend => 'none', :colors => ["#990000"], :title => "Widget Quantities", :title_x => 'Quantity', :title_y => 'Widgets' } ) -%>
== More information
For examples of additional chart types, refer to the documentation for each of the individual chart objects, or see the blog post announcing Seer: {Simple, Semantic Graphing for Ruby on Rails with Seer}[http://www.idolhands.com/ruby-on-rails/gems-plugins-and-engines/graphing-for-ruby-on-rails-with-seer]
A {sample project}[http://github.com/Bantik/seer_sample] that demonstrates each of the chart types is available on GitHub.
Seer is developed and maintained by {Corey Ehmke}[http://www.idolhands.com/] at {SEO Logic}[http://www.seologic.com/].
Copyright (c) 2010 Corey Ehmke / SEO Logic, released under the MIT license
FAQs
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We found that seer demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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