Class: Birdwatcher::Punchcard

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

Constant Summary collapse

LEFT_PADDING = 
10
TOP_PADDING = 
10
WIDTH = 
1100
DAYS = 
%w(Sat Fri Thu Wed Tue Mon Sun)
HOURS = 
%w(12am 1 2 3 4 5 6 7 8 9 10 11 12pm 1 2 3 4 5 6 7 8 9 10 11)
FONT_FACE = 
"sans-serif"

Instance Method Summary collapse

Constructor Details

#initialize(timestamps) ⇒ Punchcard

Returns a new instance of Punchcard.



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# File 'lib/birdwatcher/punchcard.rb', line 15

def initialize(timestamps)
  @timestamps = timestamps
end

Instance Method Details

#generate(destination) ⇒ Object 



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# File 'lib/birdwatcher/punchcard.rb', line 19

def generate(destination)
  @data_log  = Hash.new { |h, k| h[k] = Hash.new }
  final_data = []
  @timestamps.each do |timestamp|
    day  = timestamp.strftime("%a")
    hour = timestamp.strftime("%H").to_i
    @data_log[day][hour] = (@data_log[day][hour] || 0) + 1
  end
  @data_log.each do |d, hour_pair|
    hour_pair.each do |h, value|
      glr = @data_log[d][h] * 1.0
      glr /= max_value
      glr *= max_range
      glrb = get_weight(glr)
      final_data.push([glrb, get_x_y_from_day_and_hour(d, h)])
    end
  end
  final_data.each do |x|
    draw_circle(x[1], x[0])
  end
  surface.write_to_png(destination)
end