Class: Gruff::Dot

Inherits:
Base
  • Object
show all
Defined in:
lib/gruff/dot.rb

Overview

Graph with dots and labels along a vertical access. see: 'Creating More Effective Graphs' by Robbins

Here's how to set up a Gruff::Dot.

g = Gruff::Dot.new
g.title = 'Dot Graph'
g.data :Art, [0, 5, 8, 15]
g.data :Philosophy, [10, 3, 2, 8]
g.data :Science, [2, 15, 8, 11]
g.write('dot.png')

Constant Summary

Constants inherited from Base

Base::DEFAULT_MARGIN, Base::DEFAULT_TARGET_WIDTH, Base::LABEL_MARGIN, Base::LEGEND_MARGIN

Instance Attribute Summary

Attributes inherited from Base

#bottom_margin, #colors, #hide_legend, #hide_line_markers, #hide_line_numbers, #hide_title, #label_max_size, #label_stagger_height, #label_truncation_style, #labels, #left_margin, #legend_at_bottom, #legend_box_size, #legend_margin, #marker_color, #marker_shadow_color, #maximum_value, #minimum_value, #no_data_message, #right_margin, #sort, #sorted_drawing, #title, #title_margin, #top_margin, #x_axis_increment, #x_axis_label_format, #y_axis_increment, #y_axis_label_format

Instance Method Summary collapse

Methods inherited from Base

#add_color, #bold_title=, #data, #draw, #font=, #font_color=, #legend_font_size=, #margins=, #marker_font_size=, #replace_colors, #theme=, #theme_37signals, #theme_greyscale, #theme_keynote, #theme_odeo, #theme_pastel, #theme_rails_keynote, #title_font=, #title_font_size=, #to_blob, #to_image, #write

Constructor Details

#initializeDot

Returns a new instance of Dot.


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# File 'lib/gruff/dot.rb', line 17

def initialize(*)
  super
  @has_left_labels = true
end