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gvis

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gvis

2.1.0
Rubygems

Version published: 11 years ago

Maintainers: 1

Created: 11 years ago

Source

Gvis

: Latest published version on rubygems.org

Current master branch status

Rails plugin that provides a Ruby wrapper for easily loading the Google Visualization API, and simple generation of the javascript required to plot the graphs For a full list of the graphs provided by google's visualization api see the gallery For documentation on how to use each graph type see google's API documentation

Compatiblity

gvis version 2.x - Rails 3.x compatible (And rails 2.x using rails_xss)

gvis version 1.x - Rails 2.x compatible

Installation

Rails 3:

# Gemfile
gem 'gvis', '>= 2.0.0'

Rails 2.X:

# config/environment.rb
config.gem 'gvis', :version => '< 2.0.0'

Then include the GoogleVisualization module in app/helpers/application_helper.rb

module ApplicationHelper
  include GoogleVisualization
end

Load the API, and render any graphs by placing these methods inside your layout

# app/views/layouts/application.html.erb
<head>
	<%= include_visualization_api %>
	<%= render_visualizations %>
	...
</head>

Example

Render desired graphs in the view like this:

# index.html.erb
<% visualization "my_chart", "MotionChart", :width => 600, :height => 400, :html => {:class => "graph_chart"} do |chart| %>
	<%# Add the columns that the graph will have %>
	<% chart.string "Fruit" %>
	<% chart.date "Date" %>
	<% chart.number "Sales" %>
	<% chart.number "Expenses" %>
	<% chart.string "Location" %>

	<%# Add the data %>
	<% chart.add_rows([
		["Apples", Date.new(1998,1,1), 1000,300,'East'],
		["Oranges", Date.new(1998,1,1), 950,200,'West'],
		["Bananas", Date.new(1998,1,1), 300,250,'West'],
		["Apples", Date.new(1998,2,1), 1200,400,'East'],
		["Oranges", Date.new(1998,2,1), 950,150,'West'],
		["Bananas", Date.new(1998,2,1), 788,617,'West']
	]) %>
<% end %>

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Package last updated on 24 Sep 2013

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gvis

Gvis

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