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@ -6,14 +6,33 @@ from util import xmlfiletodict, dicttoxmlfile, get_pallet, get_articles, get_pac
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from arrange_spread2 import arrange_in_layer, spread_articles, find_articles
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import cPickle
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from binascii import b2a_base64
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import zlib
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def rotate(node):
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if node is None:
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return
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if node['article']:
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# exchange x and y coordinate
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node['article']['PlacePosition']['X'], node['article']['PlacePosition']['Y'] = node['article']['PlacePosition']['Y'], node['article']['PlacePosition']['X']
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# rotate article
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node['article']['Orientation'] = node['article']['Orientation']%2+1
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rotate(node['right'])
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rotate(node['down'])
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def get_layers(bins, pallet, rot_article=False, rot_pallet=False):
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for abin in bins:
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bins[abin] = sorted(bins[abin], key=lambda article: article['Article']['Length']*article['Article']['Width'], reverse=True)
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plength, pwidth = (pallet['Dimensions']['Length'], pallet['Dimensions']['Width'])
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root, layer, rest = arrange_in_layer(bins[abin], plength, pwidth, rot_article=rot_article)
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if rot_pallet:
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root, layer, rest = arrange_in_layer(bins[abin], pwidth, plength, rot_article=rot_article)
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else:
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root, layer, rest = arrange_in_layer(bins[abin], plength, pwidth, rot_article=rot_article)
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while layer:
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spread_articles(root)
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if rot_pallet:
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rotate(root)
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occupied_area = 0
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for article in layer:
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@ -26,7 +45,13 @@ def get_layers(bins, pallet, rot_article=False, rot_pallet=False):
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else:
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rot_article, rot_pallet = (yield layer, None)
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root, layer, rest = arrange_in_layer(rest, plength, pwidth, rot_article=rot_article)
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if rot_pallet:
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root, layer, rest = arrange_in_layer(rest, pwidth, plength, rot_article=rot_article)
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else:
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root, layer, rest = arrange_in_layer(rest, plength, pwidth, rot_article=rot_article)
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def get_bit(num, pos):
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return num>>pos&1
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def main():
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if len(sys.argv) != 3:
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@ -49,12 +74,12 @@ def main():
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stuff1 = list()
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#for order in itertools.product([True, False], repeat=12):
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for order in [[True]*12,]:
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for order in itertools.product([0,1,2,3], repeat=8):
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#for order in [[True]*12,]:
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rests = list()
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layers = list()
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it = get_layers(bins, pallet, order[0], False)
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it = get_layers(bins, pallet, get_bit(order[0], 0), get_bit(order[0], 1))
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layer, rest = it.next()
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if layer:
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layers.append(layer)
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@ -64,7 +89,7 @@ def main():
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fail = True
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for rot_article in order[1:]:
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try:
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layer, rest = it.send((rot_article, False))
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layer, rest = it.send((get_bit(rot_article,0), get_bit(rot_article,1)))
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if layer:
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layers.append(layer)
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if rest:
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@ -74,6 +99,6 @@ def main():
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break
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if fail:
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raise Exception("finished early")
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print b2a_base64(cPickle.dumps((layers, rests, pallet))),
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print b2a_base64(zlib.compress(cPickle.dumps((layers, rests, pallet)))),
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if __name__ == "__main__":
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main()
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