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annotate python/sumo.py @ 968:32a34a143c27

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work on sumo and metadata
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Thu, 07 Dec 2017 15:13:06 -0500
parents 40af0f20ee2d
children 933670761a57
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964
e3ec6caab984 utilities for SUMO traffic simulation
Nicolas Saunier <nicolas.saunier@polymtl.ca>
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1 #! /usr/bin/env python
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2 '''Libraries for the SUMO traffic simulation software
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3 http://sumo.dlr.de
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4 '''
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5
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6 #import csv
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7
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8 def loadTazEdges(inFilename):
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9 '''Converts list of OSM edges per OSM edge and groups per TAZ
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10 format is csv with first two columns the OSM id and TAZ id, then the list of SUMO edge id
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11
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12 Returns the list of SUMO edge per TAZ'''
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13 data = []
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14 tazs = {}
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15 with open(inFilename,'r') as f:
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16 f.readline() # skip the headers
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17 for r in f:
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18 tmp = r.strip().split(',')
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19 tazID = tmp[1]
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20 for edge in tmp[2:]:
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21 if len(edge) > 0:
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22 if tazID in tazs:
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23 if edge not in tazs[tazID]:
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24 tazs[tazID].append(edge)
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25 else:
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26 tazs[tazID] = [edge]
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27 return tazs
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28
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29 def edge2Taz(tazs):
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30 '''Returns the associative array of the TAZ of each SUMO edge'''
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31 edge2Tazs = {}
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32 for taz, edges in tazs.iteritems():
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33 for edge in edges:
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34 if edge in edge2Tazs:
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35 print('error for edge: {} (taz {}/{})'.format(edge, edge2Tazs[edge], taz))
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36 edge2Tazs[edge] = taz
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37 return edge2Tazs
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38
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39 def saveTazEdges(outFilename, tazs):
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40 with open(outFilename,'w') as out:
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41 out.write('<tazs>\n')
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42 for tazID in tazs:
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43 out.write('<taz id="{}" edges="'.format(tazID)+' '.join(tazs[tazID])+'"/>\n')
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44 out.write('</tazs>\n')
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45
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46 # TODO add utils from process-cyber.py?
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47
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48 # if __name__ == "__main__":
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49 # import doctest
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50 # import unittest
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51 # suite = doctest.DocFileSuite('tests/sumo.txt')
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52 # #suite = doctest.DocTestSuite()
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53 # unittest.TextTestRunner().run(suite)