Class: Gnuplot::DataSet

Inherits:
Object
  • Object
show all
Defined in:
lib/gnuplot.rb

Overview

TODO:

Use the delegator to delegate to the data property.

Container for a single dataset being displayed by gnuplot. Each object has a reference to the actual data being plotted as well as settings that control the “plot” command. The data object must support the to_gplot command.

data The data that will be plotted. The only requirement is that the object understands the to_gplot method.

The following attributes correspond to their related string in the gnuplot command. See the gnuplot documentation for more information on this.

title, with

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(data = nil) {|_self| ... } ⇒ DataSet

Returns a new instance of DataSet.

Yields:

  • (_self)

Yield Parameters:



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# File 'lib/gnuplot.rb', line 143

def initialize (data = nil)
  @data = data
  yield self if block_given?
end

Instance Attribute Details

#data ⇒ Object

Returns the value of attribute data.



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# File 'lib/gnuplot.rb', line 141

def data
  @data
end

#linewidth ⇒ Object

Returns the value of attribute linewidth.



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# File 'lib/gnuplot.rb', line 141

def linewidth
  @linewidth
end

#matrix ⇒ Object

Returns the value of attribute matrix.



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# File 'lib/gnuplot.rb', line 141

def matrix
  @matrix
end

#title ⇒ Object

Returns the value of attribute title.



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# File 'lib/gnuplot.rb', line 141

def title
  @title
end

#using ⇒ Object

Returns the value of attribute using.



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# File 'lib/gnuplot.rb', line 141

def using
  @using
end

#with ⇒ Object

Returns the value of attribute with.



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# File 'lib/gnuplot.rb', line 141

def with
  @with
end

Instance Method Details

#notitle ⇒ Object 



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# File 'lib/gnuplot.rb', line 148

def notitle
  @title = "notitle"
end

#plot_args(io = "") ⇒ Object 



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# File 'lib/gnuplot.rb', line 152

def plot_args (io = "")
  
  # Order of these is important or gnuplot barfs on 'em

  io << ( (@data.instance_of? String) ? @data : "'-'" )

  io << " using #{@using}" if @using
  
  io << case @title
        when /notitle/ then " notitle"
        when nil       then ""
        else " title '#{@title}'" 
        end

  io << " matrix" if @matrix
  io << " with #{@with}" if @with
  io << " linewidth #{@linewidth}" if @linewidth
  io
end

#to_gplot ⇒ Object 



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# File 'lib/gnuplot.rb', line 172

def to_gplot
  case @data
  when nil then nil
  when String then nil
  else @data.to_gplot
  end
end

#to_gsplot ⇒ Object 



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# File 'lib/gnuplot.rb', line 180

def to_gsplot
  case @data
  when nil then nil
  when String then nil
  else @data.to_gplot
  end
end