mirror of
https://github.com/red-data-tools/YouPlot.git
synced 2025-05-05 22:31:11 +08:00
Provides a mechanism to switch back-end libraries
This commit is contained in:
kojix2
parent
b72f982618
commit
7a08d6bab9
@ -3,7 +3,6 @@
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require 'unicode_plot'
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require 'youplot/version'
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require 'youplot/preprocessing'
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require 'youplot/plot'
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require 'youplot/command'
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module YouPlot
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167
lib/youplot/backends/unicode_plot_backend.rb
Normal file
167
lib/youplot/backends/unicode_plot_backend.rb
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@ -0,0 +1,167 @@
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# frozen_string_literal: true
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require 'unicode_plot'
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module YouPlot
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# plotting functions.
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module Backends
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module UnicodePlotBackend
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module_function
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def barplot(data, params, count: false)
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headers = data.headers
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series = data.series
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# `uplot count`
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if count
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series = Preprocessing.count_values(series[0])
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params.title = headers[0] if headers
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end
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if series.size == 1
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# If there is only one series, use the line number for label.
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params.title ||= headers[0] if headers
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labels = Array.new(series[0].size) { |i| (i + 1).to_s }
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values = series[0].map(&:to_f)
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else
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params.title ||= headers[1] if headers
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labels = series[0]
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values = series[1].map(&:to_f)
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end
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UnicodePlot.barplot(labels, values, **params.to_hc)
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end
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def histogram(data, params)
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headers = data.headers
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series = data.series
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params.title ||= data.headers[0] if headers
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values = series[0].map(&:to_f)
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UnicodePlot.histogram(values, **params.to_hc)
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end
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def line(data, params)
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headers = data.headers
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series = data.series
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if series.size == 1
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# If there is only one series, it is assumed to be sequential data.
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params.ylabel ||= headers[0] if headers
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y = series[0].map(&:to_f)
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UnicodePlot.lineplot(y, **params.to_hc)
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else
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# If there are 2 or more series,
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# assume that the first 2 series are the x and y series respectively.
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if headers
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params.xlabel ||= headers[0]
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params.ylabel ||= headers[1]
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end
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x = series[0].map(&:to_f)
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y = series[1].map(&:to_f)
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UnicodePlot.lineplot(x, y, **params.to_hc)
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end
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end
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def get_method2(method1)
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"#{method1}!".to_sym
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end
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def plot_xyy(data, method1, params)
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headers = data.headers
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series = data.series
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method2 = get_method2(method1)
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series.map! { |s| s.map(&:to_f) }
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if headers
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params.name ||= headers[1]
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params.xlabel ||= headers[0]
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end
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params.ylim ||= series[1..-1].flatten.minmax # why need?
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plot = UnicodePlot.public_send(method1, series[0], series[1], **params.to_hc)
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2.upto(series.size - 1) do |i|
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UnicodePlot.public_send(method2, plot, series[0], series[i], name: headers&.[](i))
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end
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plot
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end
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def plot_xyxy(data, method1, params)
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headers = data.headers
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series = data.series
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method2 = get_method2(method1)
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series.map! { |s| s.map(&:to_f) }
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series = series.each_slice(2).to_a
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params.name ||= headers[0] if headers
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params.xlim = series.map(&:first).flatten.minmax # why need?
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params.ylim = series.map(&:last).flatten.minmax # why need?
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x1, y1 = series.shift
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plot = UnicodePlot.public_send(method1, x1, y1, **params.to_hc)
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series.each_with_index do |(xi, yi), i|
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UnicodePlot.public_send(method2, plot, xi, yi, name: headers&.[]((i + 1) * 2))
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end
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plot
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end
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def plot_fmt(data, fmt, method1, params)
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case fmt
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when 'xyy'
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plot_xyy(data, method1, params)
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when 'xyxy'
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plot_xyxy(data, method1, params)
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else
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raise "Unknown format: #{fmt}"
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end
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end
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def lines(data, params, fmt = 'xyy')
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check_series_size(data, fmt)
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plot_fmt(data, fmt, :lineplot, params)
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end
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def scatter(data, params, fmt = 'xyy')
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check_series_size(data, fmt)
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plot_fmt(data, fmt, :scatterplot, params)
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end
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def density(data, params, fmt = 'xyy')
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check_series_size(data, fmt)
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plot_fmt(data, fmt, :densityplot, params)
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end
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def boxplot(data, params)
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headers = data.headers
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series = data.series
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headers ||= (1..series.size).map(&:to_s)
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series.map! { |s| s.map(&:to_f) }
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UnicodePlot.boxplot(headers, series, **params.to_hc)
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end
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def colors(color_names = false)
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UnicodePlot::StyledPrinter::TEXT_COLORS.each do |k, v|
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print v
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print k
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unless color_names
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print "\t"
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print ' ●'
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end
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print "\033[0m"
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print "\t"
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end
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puts
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end
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def check_series_size(data, fmt)
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series = data.series
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if series.size == 1
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warn 'youplot: There is only one series of input data. Please check the delimiter.'
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warn ''
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warn " Headers: \e[35m#{data.headers.inspect}\e[0m"
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warn " The first item is: \e[35m\"#{series[0][0]}\"\e[0m"
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warn " The last item is : \e[35m\"#{series[0][-1]}\"\e[0m"
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exit 1
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end
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if fmt == 'xyxy' && series.size.odd?
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warn 'YouPlot: In the xyxy format, the number of series must be even.'
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warn ''
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warn " Number of series: \e[35m#{series.size}\e[0m"
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warn " Headers: \e[35m#{data.headers.inspect}\e[0m"
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exit 1
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end
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end
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end
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end
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end
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@ -3,6 +3,9 @@
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require_relative 'preprocessing'
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require_relative 'command/parser'
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# FIXME
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require_relative 'backends/unicode_plot_backend'
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module YouPlot
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Data = Struct.new(:headers, :series)
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@ -11,8 +14,9 @@ module YouPlot
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attr_reader :data, :fmt, :parser
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def initialize
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@params = Params.new
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@parser = Parser.new
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@params = Params.new
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@parser = Parser.new
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@backend = YouPlot::Backends::UnicodePlotBackend
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end
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def run
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@ -28,7 +32,7 @@ module YouPlot
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@debug = parser.debug
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if command == :colors
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Plot.colors(parser.color_names)
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@backend.colors(parser.color_names)
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exit
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end
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@ -39,21 +43,21 @@ module YouPlot
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pp @data if @debug
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plot = case command
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when :bar, :barplot
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Plot.barplot(data, params)
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@backend.barplot(data, params)
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when :count, :c
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Plot.barplot(data, params, count: true)
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@backend.barplot(data, params, count: true)
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when :hist, :histogram
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Plot.histogram(data, params)
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@backend.histogram(data, params)
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when :line, :lineplot
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Plot.line(data, params)
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@backend.line(data, params)
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when :lines, :lineplots
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Plot.lines(data, params, fmt)
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@backend.lines(data, params, fmt)
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when :scatter, :s
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Plot.scatter(data, params, fmt)
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@backend.scatter(data, params, fmt)
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when :density, :d
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Plot.density(data, params, fmt)
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@backend.density(data, params, fmt)
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when :box, :boxplot
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Plot.boxplot(data, params)
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@backend.boxplot(data, params)
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else
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raise "unrecognized plot_type: #{command}"
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end
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@ -1,165 +0,0 @@
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# frozen_string_literal: true
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require 'unicode_plot'
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module YouPlot
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# plotting functions.
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module Plot
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module_function
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def barplot(data, params, count: false)
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headers = data.headers
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series = data.series
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# `uplot count`
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if count
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series = Preprocessing.count_values(series[0])
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params.title = headers[0] if headers
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end
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if series.size == 1
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# If there is only one series, use the line number for label.
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params.title ||= headers[0] if headers
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labels = Array.new(series[0].size) { |i| (i + 1).to_s }
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values = series[0].map(&:to_f)
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else
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params.title ||= headers[1] if headers
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labels = series[0]
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values = series[1].map(&:to_f)
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end
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UnicodePlot.barplot(labels, values, **params.to_hc)
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end
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def histogram(data, params)
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headers = data.headers
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series = data.series
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params.title ||= data.headers[0] if headers
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values = series[0].map(&:to_f)
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UnicodePlot.histogram(values, **params.to_hc)
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end
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def line(data, params)
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headers = data.headers
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series = data.series
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if series.size == 1
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# If there is only one series, it is assumed to be sequential data.
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params.ylabel ||= headers[0] if headers
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y = series[0].map(&:to_f)
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UnicodePlot.lineplot(y, **params.to_hc)
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else
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# If there are 2 or more series,
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# assume that the first 2 series are the x and y series respectively.
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if headers
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params.xlabel ||= headers[0]
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params.ylabel ||= headers[1]
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end
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x = series[0].map(&:to_f)
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y = series[1].map(&:to_f)
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UnicodePlot.lineplot(x, y, **params.to_hc)
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end
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end
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def get_method2(method1)
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"#{method1}!".to_sym
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end
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def plot_xyy(data, method1, params)
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headers = data.headers
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series = data.series
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method2 = get_method2(method1)
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series.map! { |s| s.map(&:to_f) }
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if headers
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params.name ||= headers[1]
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params.xlabel ||= headers[0]
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end
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params.ylim ||= series[1..-1].flatten.minmax # why need?
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plot = UnicodePlot.public_send(method1, series[0], series[1], **params.to_hc)
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2.upto(series.size - 1) do |i|
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UnicodePlot.public_send(method2, plot, series[0], series[i], name: headers&.[](i))
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end
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plot
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end
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def plot_xyxy(data, method1, params)
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headers = data.headers
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series = data.series
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method2 = get_method2(method1)
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series.map! { |s| s.map(&:to_f) }
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series = series.each_slice(2).to_a
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params.name ||= headers[0] if headers
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params.xlim = series.map(&:first).flatten.minmax # why need?
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params.ylim = series.map(&:last).flatten.minmax # why need?
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x1, y1 = series.shift
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plot = UnicodePlot.public_send(method1, x1, y1, **params.to_hc)
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series.each_with_index do |(xi, yi), i|
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UnicodePlot.public_send(method2, plot, xi, yi, name: headers&.[]((i + 1) * 2))
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end
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plot
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end
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def plot_fmt(data, fmt, method1, params)
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case fmt
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when 'xyy'
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plot_xyy(data, method1, params)
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when 'xyxy'
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plot_xyxy(data, method1, params)
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else
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raise "Unknown format: #{fmt}"
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end
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end
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def lines(data, params, fmt = 'xyy')
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check_series_size(data, fmt)
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plot_fmt(data, fmt, :lineplot, params)
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end
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def scatter(data, params, fmt = 'xyy')
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check_series_size(data, fmt)
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plot_fmt(data, fmt, :scatterplot, params)
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end
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def density(data, params, fmt = 'xyy')
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check_series_size(data, fmt)
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plot_fmt(data, fmt, :densityplot, params)
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end
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def boxplot(data, params)
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headers = data.headers
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series = data.series
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headers ||= (1..series.size).map(&:to_s)
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series.map! { |s| s.map(&:to_f) }
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UnicodePlot.boxplot(headers, series, **params.to_hc)
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end
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def colors(color_names = false)
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UnicodePlot::StyledPrinter::TEXT_COLORS.each do |k, v|
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print v
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print k
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unless color_names
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print "\t"
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print ' ●'
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end
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print "\033[0m"
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print "\t"
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end
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puts
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end
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def check_series_size(data, fmt)
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series = data.series
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if series.size == 1
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warn 'youplot: There is only one series of input data. Please check the delimiter.'
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warn ''
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warn " Headers: \e[35m#{data.headers.inspect}\e[0m"
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warn " The first item is: \e[35m\"#{series[0][0]}\"\e[0m"
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warn " The last item is : \e[35m\"#{series[0][-1]}\"\e[0m"
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exit 1
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end
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if fmt == 'xyxy' && series.size.odd?
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warn 'YouPlot: In the xyxy format, the number of series must be even.'
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warn ''
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warn " Number of series: \e[35m#{series.size}\e[0m"
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warn " Headers: \e[35m#{data.headers.inspect}\e[0m"
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exit 1
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end
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end
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end
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end
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