J4L Charts for Ruby

Contents

• chart_examples.rb: examples that use the chart creation API
• chart_loader_examples.rb: examples that use the chart loader to create charts
• main.rb: main file to run the examples
• images: input images for the examples

License

You may freely use the software for personal use.

For commercial use please see:

• license: http://www.java4less.com/chartsruby/chart.php?info=license
• Purchase a license: http://www.java4less.com/order/order-rchart-ruby.shtml
  

User Guide 

Follow this link to read our user guide: 

http://www.java4less.com/chartsruby/userguide/tutorialcontents.html

Installation

Requirements

4L Charts requires RMagick. We have developed and tested with Ruby 1.8.6 and RMagick 2.12.0 on Windows and Linux, but it should work with other versions and platforms also.

Installation and demo run

Proceed as follows to test our demo application.

1. Unzip our file to an empty directory
2. install our gem by running: 
   
   gem install J4LChart-2.1.gem
   
   the ouput should be:
   
   Successfully installed J4LChart-2.1
   1 gem installed
   Installing ri documentation for J4LChart-2.1...
   Installing RDoc documentation for J4LChart-2.1...
   
   
3. run now our sample application with
   
   ruby main.rb
   
   the output should be:
   
   CHART API EXAMPLES
   
   creating min/max chart
   creating barchart 3D
   creating linechart 3D
   creating bubblechart
   creating piechart
   creating piechart 3D
   creating barchart
   .....
   
   CHART LOADER EXAMPLES
   
   creating stacked axis chart
   creating combined chart
   creating horiz. bars chart
   ...
   
4. Once the execution has finished you will see all created charts (png files) in the working directory

Installating RMagick on Ubuntu and Ruby 1.8

If RMagick is not installed in your system you can install it by running these 3 commands (on Ubuntu):

sudo apt-get install imagemagick

sudo apt- get install libmagick9-dev ruby1.8-dev

gem install rmagick