Class: ScbiPlot::Plot

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

Direct Known Subclasses

Histogram, Lines

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(file_name, title = nil) ⇒ Plot

Returns a new instance of Plot.



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# File 'lib/scbi_plot/plot.rb', line 27

def initialize(file_name,title=nil)

  @x=[]
  @y=[]
  @x_label='x'
  @y_label='y'
  
  @x_range=''
  @y_range=''

  @title=title
  @file_name=file_name

  if @title.nil?
    @title=file_name
  end

  @x_limit=20
  @line_width=1

end

Instance Attribute Details

#file_name ⇒ Object

Returns the value of attribute file_name.



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# File 'lib/scbi_plot/plot.rb', line 25

def file_name
  @file_name
end

#line_width ⇒ Object

Returns the value of attribute line_width.



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# File 'lib/scbi_plot/plot.rb', line 25

def line_width
  @line_width
end

#title ⇒ Object

Returns the value of attribute title.



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# File 'lib/scbi_plot/plot.rb', line 25

def title
  @title
end

#x ⇒ Object

Returns the value of attribute x.



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# File 'lib/scbi_plot/plot.rb', line 25

def x
  @x
end

#x_label ⇒ Object

Returns the value of attribute x_label.



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# File 'lib/scbi_plot/plot.rb', line 25

def x_label
  @x_label
end

#x_limit ⇒ Object

Returns the value of attribute x_limit.



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# File 'lib/scbi_plot/plot.rb', line 25

def x_limit
  @x_limit
end

#x_range ⇒ Object

Returns the value of attribute x_range.



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# File 'lib/scbi_plot/plot.rb', line 25

def x_range
  @x_range
end

#y ⇒ Object

Returns the value of attribute y.



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# File 'lib/scbi_plot/plot.rb', line 25

def y
  @y
end

#y_label ⇒ Object

Returns the value of attribute y_label.



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# File 'lib/scbi_plot/plot.rb', line 25

def y_label
  @y_label
end

#y_range ⇒ Object

Returns the value of attribute y_range.



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# File 'lib/scbi_plot/plot.rb', line 25

def y_range
  @y_range
end

Instance Method Details

#add_x(x) ⇒ Object 



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# File 'lib/scbi_plot/plot.rb', line 49

def add_x(x)
  @x=x
end

#add_xy(data) ⇒ Object 



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# File 'lib/scbi_plot/plot.rb', line 58

def add_xy(data)
  @x=[]
  @y=[]

  if data.is_a?(Array)

    data.each do |e|
      @x.push e[0]
      @y.push e[1]
    end

  elsif data.is_a?(Hash)

    data.each do |k,v|
      @x.push k
      @y.push v
    end

  end
end

#add_y(y) ⇒ Object 



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# File 'lib/scbi_plot/plot.rb', line 53

def add_y(y)
  @y=y
end

#check_data_limit ⇒ Object 



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# File 'lib/scbi_plot/plot.rb', line 147

def check_data_limit
  # if more than 20 strings, then keep greater ones
  if @x.count>@x_limit
    h = xy_to_hash(@x,@y)

    @x=[]
    @y=[]

    @x_limit.times do
      ma=h.max_by{|k,v| v}
      if ma
        @x.push ma[0]
        @y.push ma[1]
        h.delete(ma[0])
      end
    end

  end

end

#contains_strings?(x) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/scbi_plot/plot.rb', line 206

def contains_strings?(x)
  contains_strings=false

  x.each do |v|
    begin
      r=Integer(v)
    rescue
      contains_strings=true
      break
    end
  end

  return contains_strings
end

#setup_data ⇒ Object 



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# File 'lib/scbi_plot/plot.rb', line 168

def setup_data
  if @x.length != @y.length
    raise "Variables x and y have different sizes"

  else

    hash=xy_to_hash(@x,@y)
    # puts hash
    # sort integer data
    if !contains_strings?(@x)

      @x.sort!
      @y=[]

      @x.each do |v|
        @y.push hash[v].to_i
      end


    else # there are strings in X
      @x=[]
      @y=[]

      # save quoted values
      hash.keys.each do |v|
        # @x.push "\"#{v.gsub('\"','').gsub('\'','')}\""
        @x.push "#{v.gsub('\"','').gsub('\'','')}"
        # puts 
        @y.push hash[v.to_s]
      end

      # check if there is a lot of string data
      check_data_limit

    end
  end
end

#xy_to_hash(x, y) ⇒ Object 



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# File 'lib/scbi_plot/plot.rb', line 136

def xy_to_hash(x,y)
  h={}

  x.each_with_index do |x1,i|
    h[x1]=y[i]
  end

  return h

end