class Squid::Point
Attributes
height[R]
index[R]
label[R]
negative[R]
y[R]
Public Class Methods
for(series, minmax:, height:, labels:, stack:, formats:)
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# File lib/squid/point.rb, line 7 def self.for(series, minmax:, height:, labels:, stack:, formats:) @min = Hash.new 0 @max = Hash.new 0 min, max = minmax offset = -> (value) { value * height.to_f / (max-min) } series.map.with_index do |values, series_i| values.map.with_index do |value, i| h = y_for value, index: i, stack: false, &offset if value y = y_for value, index: i, stack: stack, &offset if value y = y - offset.call([min, 0].min) if value label = format_for value, formats[series_i] if labels[series_i] new y: y, height: h, index: i, label: label, negative: value.to_f < 0 end end end
new(y:, height:, index:, label:, negative:)
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# File lib/squid/point.rb, line 25 def initialize(y:, height:, index:, label:, negative:) @y, @height, @index, @label, @negative = y, height, index, label, negative end
Private Class Methods
y_for(value, index:, stack:) { |hash| ... }
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# File lib/squid/point.rb, line 31 def self.y_for(value, index:, stack:, &block) if stack hash = (value > 0) ? @max : @min yield(hash[index] += value) else yield(value) end end