graph_test.rb

Prawn::Document.generate('bar_graph.pdf') do
  bar_graph 'Hornets on Weekdays', [ 10, 10 ], :keynote do |graph|
    graph.data 'Monday', 5 
    graph.data 'Tuesday', 4 
    graph.data 'Wednesday', 3
    graph.data 'Thursday', 2 
    graph.data 'Friday', 1
    graph.label_x 'Week Day'
    graph.label_y 'Number of Hornets'
  end
end


Prawn::Document.generate('line_graph.pdf') do
  line_graph 'Hornets on Weekdays', [ 10, 10 ], :keynote do |graph|
    graph.data 'Monday',    5, 4, 3, 2, 1   
    graph.data 'Tuesday',   4, 3, 2, 1, 5   
    graph.data 'Wednesday', 3, 2, 1, 5, 4  
    graph.data 'Thursday',  2, 1, 5, 4, 3   
    graph.data 'Friday',    1, 5, 4, 3, 2  
    graph.label_x 'Week Day'
    graph.label_y 'Number of Hornets'
  end
end