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 200

def initialize (data = nil)
  @data = data
  @title = @with = @using = @linewidth = @matrix = @smooth = @axes = nil # avoid warnings
  yield self if block_given?
end

Instance Attribute Details

#axes ⇒ Object

Returns the value of attribute axes.



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# File 'lib/gnuplot.rb', line 198

def axes
  @axes
end

#data ⇒ Object

Returns the value of attribute data.



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# File 'lib/gnuplot.rb', line 198

def data
  @data
end

#linewidth ⇒ Object

Returns the value of attribute linewidth.



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# File 'lib/gnuplot.rb', line 198

def linewidth
  @linewidth
end

#matrix ⇒ Object

Returns the value of attribute matrix.



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# File 'lib/gnuplot.rb', line 198

def matrix
  @matrix
end

#smooth ⇒ Object

Returns the value of attribute smooth.



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# File 'lib/gnuplot.rb', line 198

def smooth
  @smooth
end

#title ⇒ Object

Returns the value of attribute title.



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# File 'lib/gnuplot.rb', line 198

def title
  @title
end

#using ⇒ Object

Returns the value of attribute using.



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# File 'lib/gnuplot.rb', line 198

def using
  @using
end

#with ⇒ Object

Returns the value of attribute with.



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# File 'lib/gnuplot.rb', line 198

def with
  @with
end

Instance Method Details

#notitle ⇒ Object 



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# File 'lib/gnuplot.rb', line 206

def notitle
  @title = "notitle"
end

#plot_args(io = "") ⇒ Object 



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# File 'lib/gnuplot.rb', line 210

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

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

#to_gplot ⇒ Object 



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# File 'lib/gnuplot.rb', line 233

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 241

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