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Id
1244175
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CreationDate
2009-08-07T11:08:23.700
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2009-08-07T11:08:23.700
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50135
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1240427
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2
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2
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text
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You could use <a href="http://www.python.org/" rel="nofollow noreferrer">Python</a> with <a href="http://www.pythonware.com/products/pil/" rel="nofollow noreferrer">Python Imaging Library (PIL)</a>. First I'd make a list of filename and their coordinates. Extract the integer coordinates from the filenames with regular expressions and store them in a list of dictionaries: <pre><code>>>> filename = 'x=92664y=48131zoom=17.png' >>> imagePattern = re.compile(r'^x=(\d{5})y=(\d{5})zoom=17.png$') >>> x,y = map(int, imagePattern.search(filename).groups()) >>> {'x':x, 'y':y, 'filename':filename} {'y': 48131, 'x': 92664, 'filename': 'x=92664y=48131zoom=17.png'} </code></pre> Having a list of dictionaries enables you to sort them according to either dimensions: <pre><code>tileListSortedByX = sorted(tileList, key = lambda i: i["x"]) </code></pre> and also filter them: <pre><code>fileListWhereX48131 = [tile for tile in tileList if tile["x"]==48131] </code></pre> With these two operations you can easily imagine the for loops to iterate over tiles line by line. The last thing you need to create a big empty image (with PIL) where you'll paste the small tile images into. Its size will be a multiple of the tile size. <pre><code>>>> from PIL import Image >>> bigImage = Image.new('RGB',(300,300),(255,255,255)) #creates a white 300x300 image </code></pre> Pasting the small images into the big one looks like this: <pre><code>>>> smallImage = Image.open(tile["filename"]) >>> bigImage.paste(smallImage,(0,0)) </code></pre> Hope you get the idea.
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