Class: Nyaplot::Charts::Bar
- Defined in:
- lib/nyaplot/charts/bar.rb
Instance Attribute Summary
Attributes inherited from ChartBase
#deps, #glyphs, #xdomain, #ydomain
Instance Method Summary collapse
-
#create(**opts) ⇒ Object
data: [1,2,3], xlabel: [:a, :b. :c] or equal dataframe.
Methods inherited from ChartBase
Constructor Details
This class inherits a constructor from Nyaplot::Charts::ChartBase
Instance Method Details
#create(**opts) ⇒ Object
data: [1,2,3], xlabel: [:a, :b. :c] or equal dataframe
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# File 'lib/nyaplot/charts/bar.rb', line 10 def create(**opts) data = opts[:data] accessor = nil unless opts[:fill_by].nil? && opts[:colors].nil? cs = opts[:colors] s = ad Layers::Scale.new({domain: data[opts[:x]], range: cs, type: "discrete"}) accessor = ad Layers::Accessor.new({scale: s, label: opts[:fill_by]}) end data[opts[:x]].each_with_index do |str, i| data2 = data.reduce({}){|memo, pair| memo[pair[0]] = [pair[1][i]]; memo} .merge({x1: [-0.8], x2: [0.8], y2: [0], y1: [data[opts[:y]][i]]}) data_l = ad Layers::Data.new({data: data2}) args = { data: data_l, x1: :x1, x2: :x2, y1: :y1, y2: :y2, position: create_ordinal_position(opts[:xscale], opts[:yscale], str), stroke_color: 'none' } args[:color]= accessor unless accessor.nil? ag Layers::Rect.new(args) end @xdomain = data[opts[:x]] @ydomain = [0, data[opts[:y]].max] end |