Method: GnuplotRB::Plottable#method_missing

Defined in:
lib/gnuplotrb/mixins/plottable.rb

#method_missing(meth_id, *args) ⇒ Object

In this gem #method_missing is used both to handle options and to handle plotting to specific terminal.

Options handling

Overview

You may set options using #option_name(option_value) method. A new object will be constructed with selected option set. And finally you can get current value of any option using #options_name without arguments.

Arguments

  • option_value - value to set an option. If none given method will just return current option’s value

Examples

plot = Splot.new
new_plot = plot.title('Awesome plot')
plot.title #=> nil
new_plot.title #=> 'Awesome plot'

Plotting to specific term

Overview

Gnuplot offers possibility to output graphics to many image formats. The easiest way to to so is to use #to_<plot_name> methods.

Arguments

  • options - set of options related to terminal (size, font etc). Be careful, some terminals have their own specific options.

Examples

# font options specific for png term
multiplot.to_png('./result.png', size: [300, 500], font: ['arial', 12])
# font options specific for svg term
content = multiplot.to_svg(size: [100, 100], fname: 'Arial', fsize: 12)



47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
 
# File 'lib/gnuplotrb/mixins/plottable.rb', line 47

def method_missing(meth_id, *args)
  meth = meth_id.id2name
  case
  when meth[0..2] == 'to_'
    term = meth[3..-1]
    super unless OptionHandling.valid_terminal?(term)
    to_specific_term(term, *args)
  when meth[-1] == '!'
    option!(meth[0..-2].to_sym, *args)
  when meth[-1] == '='
    option!(meth[0..-2].to_sym, *args)
    option(meth[0..-2].to_sym)
  else
    option(meth_id, *args)
  end
end