Class: Gruff::Area

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

Overview

Gruff::Area provides an area graph which displays graphically quantitative data.

Here’s how to set up a Gruff::Area.

g = Gruff::Area.new
g.title = 'Area Graph'
g.data :Jimmy, [25, 36, 86, 39, 25, 31, 79, 88]
g.data :Charles, [80, 54, 67, 54, 68, 70, 90, 95]
g.data :Julie, [22, 29, 35, 38, 36, 40, 46, 57]
g.write('area.png')

Constant Summary

Constants inherited from Base

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

Instance Attribute Summary collapse

Attributes inherited from Base

#bottom_margin, #colors, #hide_legend, #hide_line_markers, #hide_line_numbers, #hide_title, #label_margin, #label_max_size, #label_truncation_style, #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_margin, #top_margin, #x_axis_increment, #x_axis_label_format, #y_axis_increment, #y_axis_label_format

Method Summary

Methods inherited from Base

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

Constructor Details

This class inherits a constructor from Gruff::Base

Instance Attribute Details

#fill_opacity=(value) ⇒ Object (writeonly)

Specifies the filling opacity in area graph. Default is 0.85.



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# File 'lib/gruff/area.rb', line 18

def fill_opacity=(value)
  @fill_opacity = value
end

#stroke_width=(value) ⇒ Object (writeonly)

Specifies the stroke width in line around area graph. Default is 2.0.



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# File 'lib/gruff/area.rb', line 21

def stroke_width=(value)
  @stroke_width = value
end