module Squid::Interface

Provides the `chart` method to use in Prawn::Document @see prawnpdf.org/api-docs/2.0/Prawn/Document.html

Public Instance Methods

chart(data = {}, settings = {}) click to toggle source

Plots a graph the current document.

@param [Hash<#to_s, [Hash<#to_s, Numeric>]>] data the series to plot in

the graph. Each key is the name of the series, and each value contains
the values for the series. Values are also a hash, where each key is
a category, and each value the numerical value for that category.

@param [Hash] settings the option to customize the graph. @option settings [Boolean] :baseline (true) whether to plot the baseline. @option settings [Boolean] :border (false) whether to plot the border. @option settings [Boolean] :chart (true) whether to plot the chart. @option settings [Array<String>] :colors (true) the color of each series. @option settings [Integer] :every (1) how often to plot the categories. @option settings [Symbol] :format (:integer) the format of axis values. @option settings [Numeric] :height (250) the full height of the graph. @option settings [Boolean] :labels (false) whether to plot value labels. @option settings [<Boolean, Hash>] :legend (true) whether to plot the

legend. If a Hash is provided, the `:right` and `:bottom` options can be
set to specify the right and bottom margin of the legend.

@option settings [Numeric] :line_width (3) the line width for line graphs. @option settings [Numeric] :steps (4) the number of gridlines. @option settings [Boolean] :ticks (true) whether to plot the ticks. @option settings [Symbol] :type (:column) the type of graph.

# File lib/squid.rb, line 30
def chart(data =  {}, settings = {})
  Graph.new(self, data, settings).draw
end