<br />
<b>Warning</b>:  session_start(): open(/var/lib/php/sessions/sess_3gn886gnnijdl5lg27c0f39m5m, O_RDWR) failed: No space left on device (28) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
<br />
<b>Warning</b>:  session_start(): Failed to read session data: files (path: /var/lib/php/sessions) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
get("#348") 
w, h = img.width, img.height

total = 0
for y = 0, h-1 do
  sum = 0
  for x = 0, w-1 do
    sum = sum+bright(rgb(img.getInt(x, y)))
  end
  sum = sum/w
  expected = 0
  total = total+math.abs(sum-expected)
  print("y", y, "total", total)
end

sim = 1-total/h

return "Rectangleness: "..sim