# File temp/Graph/Pie.rb, line 171 def keys total = 0 max_value = 0 @data.each {|x| total += x } percent_scale = 100.0 / total count = -1 a = @config[:fields].collect{ |x| count += 1 v = @data[count] perc = show_key_percent ? " "+(v * percent_scale).round.to_s+"%" : "" x + " [" + v.to_s + "]" + perc } end