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:



193
194
195
196
197
 
# File 'lib/gnuplot.rb', line 193

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.



191
192
193
 
# File 'lib/gnuplot.rb', line 191

def axes
  @axes
end

#data ⇒ Object

Returns the value of attribute data.



191
192
193
 
# File 'lib/gnuplot.rb', line 191

def data
  @data
end

#linewidth ⇒ Object

Returns the value of attribute linewidth.



191
192
193
 
# File 'lib/gnuplot.rb', line 191

def linewidth
  @linewidth
end

#matrix ⇒ Object

Returns the value of attribute matrix.



191
192
193
 
# File 'lib/gnuplot.rb', line 191

def matrix
  @matrix
end

#smooth ⇒ Object

Returns the value of attribute smooth.



191
192
193
 
# File 'lib/gnuplot.rb', line 191

def smooth
  @smooth
end

#title ⇒ Object

Returns the value of attribute title.



191
192
193
 
# File 'lib/gnuplot.rb', line 191

def title
  @title
end

#using ⇒ Object

Returns the value of attribute using.



191
192
193
 
# File 'lib/gnuplot.rb', line 191

def using
  @using
end

#with ⇒ Object

Returns the value of attribute with.



191
192
193
 
# File 'lib/gnuplot.rb', line 191

def with
  @with
end

Instance Method Details

#notitle ⇒ Object 



199
200
201
 
# File 'lib/gnuplot.rb', line 199

def notitle
  @title = "notitle"
end

#plot_args(io = "") ⇒ Object 



203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
 
# File 'lib/gnuplot.rb', line 203

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 



226
227
228
229
230
231
232
 
# File 'lib/gnuplot.rb', line 226

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

#to_gsplot ⇒ Object 



234
235
236
237
238
239
240
 
# File 'lib/gnuplot.rb', line 234

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