Class: PlotPersonalData

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

Instance Method Summary collapse

Constructor Details

#initialize ⇒ PlotPersonalData

Returns a new instance of PlotPersonalData.



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# File 'lib/shunkuntype/plot.rb', line 5

def initialize
  plot_data = read_data()
  make_data_file(plot_data)

  text=["Typing speed [words/min]","Work minutes [min]"]
  opts = {:title=>"Elapsed time vs #{text[0]}",
    :plot=>"plot \"#{$temp.path}\"  using 1:2 w st\n",
    :xlabel=>"Elapsed time[hrs]",:ylabel=>text[0],:xtics=>"0 2"}
  listplot(opts)
  opts = {:title=>"Elapsed time vs #{text[1]}",
    :plot=>"plot \"#{$temp.path}\" using 1:3 w st\n",
    :xlabel=>"Elapsed time[hrs]",:ylabel=>text[1],:xtics=>"0 2"}
  listplot(opts)
end

Instance Method Details

#listplot(opts) ⇒ Object 



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# File 'lib/shunkuntype/plot.rb', line 50

def listplot(opts)
  cont = ""
  cont << "set xrange \[#{opts[:x]}\]\n" if opts.has_key?(:x)
  cont << "set yrange \[#{opts[:y]}\]\n" if opts.has_key?(:y)
  cont << "set title \"#{opts[:title]}\"\n" if opts.has_key?(:title)
  cont << "set xlabel \"#{opts[:xlabel]}\"\n" if opts.has_key?(:xlabel)
  cont << "set ylabel \"#{opts[:ylabel]}\"\n" if opts.has_key?(:ylabel)
  cont << "set xtics #{opts[:xtics]} \n" if opts.has_key?(:xtics)
  cont << "#{opts[:plot]} \n"
  temp2= Tempfile.new(["tmp",".txt"])
  temp2.print(cont)
  temp2.close # must! before another use
  p command ="gnuplot #{temp2.path}"
  system command
end

#make_data_file(outdata) ⇒ Object 



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# File 'lib/shunkuntype/plot.rb', line 39

def make_data_file(outdata)
  cont=""
  outdata.each {|idata|
    idata.each{|ele| cont << sprintf("%7.2f ",ele)}
    cont << "\n"
  }
  $temp=Tempfile.new(["tmp",".data"])
  $temp.puts(cont)
  $temp.close # must! before another use
end

#read_data ⇒ Object 



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# File 'lib/shunkuntype/plot.rb', line 20

def read_data
  today=Time.now.to_s
  plot_data=[]
  d_total_min=0
  File.open(Shunkuntype::TRAIN_FILE,'r'){|file|
    while line=file.gets do
      tmp=line.chomp.split(',')
      d_day = ((Time.parse(tmp[0])-Time.parse(today))/3600/24) #hours
      tmp << "60" if tmp.size ==3 # for backward consist. to "d,f,w"+",t"
      d_speed = tmp[2].to_f/tmp[3].to_f*60
      d_total_min += tmp[3].to_f/60.0  # total_second
      name = tmp[1]
      step = name.scan(/\d+/)[0].to_i # extract step from file name
      plot_data << [d_day,d_speed,d_total_min]
    end
  }
  return plot_data
end