# File lib/graphs/engines/gchart.rb, line 7 def determine_y_axis_scale(values) values.collect! {|val| val || 0.0 } if values.empty? @max_value = 10 @yaxis = [0, 2, 4, 6, 8, 10] else @max_value = values.max + Integer(0.1 * values.max) portion_size = (@max_value / (NUMBER_OF_TICKS - 1).to_f).ceil @yaxis = [] NUMBER_OF_TICKS.times {|n| @yaxis << Integer(portion_size * n) } @max_value = @yaxis.last end end
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