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< > BotCompany Repo | #304 - Find border thickness bug test

Lua code

function col2hex(num)
  local hexstr = '0123456789abcdef'
  local s = ''
  for i=1, 6 do
    local mod = math.fmod(num, 16)
    s = string.sub(hexstr, mod+1, mod+1) .. s
    num = math.floor(num / 16)
  end
  return s
end
    
function colortostring(c)
  if c == 0xFFFFFF then return "white" end
  return col2hex(c)
end

w, h = 100, 100
img = {getInt = function (x,y)
  return x > 2 and x < 98 and y > 2 and y < 98 and -1 or
0
end}

ofs = 0

while ofs <= w/2 and ofs <= h/2 do
  colors = {}
  
  for y=ofs, h-ofs-1 do
    colors[img.getInt(ofs, y)] = 1
    colors[img.getInt(w-ofs-1, y)] = 1
  end
  
  for x=ofs, w-ofs-1 do
    colors[img.getInt(x, ofs)] = 1
    colors[img.getInt(x, h-ofs-1)] = 1
  end
  
  list, n = {}, 0
  for color, _ in pairs(colors) do
    n=n+1
    list[n] = color
  end
  
  if #list > 1 then
    return ofs == 0 and "no border found" or "border thickness: "..ofs
  elseif lastcolor == nil then
    lastcolor = list[1]
  elseif lastcolor ~= list[1] then
    return ofs == 0 and "no border found" or "border thickness: "..ofs
  end
  
  ofs = ofs+1
end

--return "unicolor "..colortostring(lastcolor)
return "unicolor "..lastcolor

Author comment

Began life as a copy of #302

test run  test run with input  download  show line numbers   

Travelled to 8 computer(s): aoiabmzegqzx, cbybwowwnfue, gwrvuhgaqvyk, ishqpsrjomds, lpdgvwnxivlt, mqqgnosmbjvj, tslmcundralx, tvejysmllsmz

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Image recognition results

Recognizer Recognition Result Visualize Recalc
#308 1211 [visualize]

Snippet ID: #304
Snippet name: Find border thickness bug test
Eternal ID of this version: #304/1
Text MD5: 10bc997feb46fdee8e32ccb43c84f74f
Author: stefan
Category: image recognition
Type: Lua code
Public (visible to everyone): Yes
Archived (hidden from active list): No
Created/modified: 2014-12-25 20:39:07
Source code size: 1211 bytes / 56 lines
Pitched / IR pitched: No / Yes
Views / Downloads: 713 / 159
Referenced in: [show references]

Formerly at http://tinybrain.de/304 & http://304.tinybrain.de