# File lib/pdf/charts/stddev.rb, line 52 52: def initialize(args = { }) 53: @range = args[:range] 54: @step = args[:step] 55: @style = args[:style] 56: @show_labels = false 57: 58: yield self if block_given? 59: 60: raise TypeError, PDF::Lange[:charts_stddev_scale_norange] if @range.nil? 61: raise TypeError, PDF::Lange[:charts_stddev_scale_nostep] if @step.nil? 62: end