/usr/share/sumo/tools/assign/routeChoices.py is in sumo-tools 0.15.0~dfsg-2.
This file is owned by root:root, with mode 0o644.
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"""
@file routeChoices.py
@author Evamarie Wiessner
@author Yun-Pang Floetteroed
@date 2007-02-27
@version $Id: routeChoices.py 12093 2012-03-13 22:11:37Z behrisch $
This script is to calculate the route choice probabilities based on different methods.
- Gawron
- step-size (TBD)
- ......
SUMO, Simulation of Urban MObility; see http://sumo.sourceforge.net/
Copyright (C) 2008-2012 DLR (http://www.dlr.de/) and contributors
All rights reserved
"""
import string, glob, os, sys, optparse, random,shutil
from optparse import OptionParser
from xml.sax import saxutils, make_parser, handler
from xml.sax import parse
from numpy import *
#from matplotlib import pyplot as plt
from math import *
class Vehicle:
def __init__(self,label,depart, departlane, departpos, departspeed):
self.label = label
self.CO_abs = 0.
self.CO2_abs = 0.
self.HC_abs = 0.
self.PMx_abs = 0.
self.NOx_abs = 0.
self.fuel_abs = 0.
self.routesList = []
#self.speed = 0.
self.depart = float(depart)
self.departlane= departlane
self.departpos= departpos
self.departspeed = departspeed
self.selectedRoute = None
class Edge:
def __init__(self,label):
self.label = label
self.length = 0.
self.freespeed = 0.
self.CO_abs = 0.
self.CO2_abs = 0.
self.HC_abs = 0.
self.PMx_abs = 0.
self.NOx_abs = 0.
self.fuel_abs = 0.
self.traveltime = 0.
self.CO_perVeh = 0.
self.CO2_perVeh = 0.
self.HC_perVeh = 0.
self.PMx_perVeh = 0.
self.NOx_perVeh = 0.
self.fuel_perVeh = 0.
# only one veh on the edge
self.fuel_perVeh_default = 0.
self.CO_perVeh_default = 0.
self.CO2_perVeh_default = 0.
self.HC_perVeh_default = 0.
self.PMx_perVeh_default = 0.
self.NOx_perVeh_default = 0.
self.fuel_perVeh_default = 0.
self.freetraveltime = 0.
pathNum = 0
class Route:
def __init__(self, edges):
global pathNum
self.label = "%s" % pathNum
pathNum += 1
self.edges = edges
self.ex_probability = None
self.act_probability = 0.
self.selected = False
self.ex_cost = 0.
self.act_cost = 0.
class netReader(handler.ContentHandler):
def __init__(self, edgesList, edgesMap):
self._edgesList = edgesList
self._edgesMap = edgesMap
self._edgObj = None
def startElement(self, name, attrs):
if name == 'edge' and not attrs.has_key('function'):
if attrs['id'] not in self._edgesMap:
self._edgeObj = Edge(attrs['id'])
self._edgesList.append(self._edgeObj)
self._edgesMap[attrs['id']] = self._edgeObj
if self._edgeObj and name == 'lane':
self._edgeObj.length = float(attrs['length'])
self._edgeObj.freespeed = float(attrs['speed']) #todo when no data in dump. default for fuel consumption?
self._edgeObj.freetraveltime = self._edgeObj.length/self._edgeObj.speed
def endElement(self, name):
if name == 'edge':
self._edgObj = None
class addweightsReader(handler.ContentHandler):
def __init__(self, edgesList, edgesMap):
self._edgesList = edgesList
self._edgesMap = edgesMap
self._edgObj = None
def startElement(self, name, attrs):
if name == 'edge':
if attrs['id'] in self._edgesMap:
self._edgeObj = self._edgesMap[attrs['id']]
if attrs.has_key('traveltime'):
self._edgeObj.freetraveltime = float(attrs['traveltime'])
if attrs.has_key('CO_perVeh'):
self._edgeObj.CO_perVeh_default = float(attrs['CO_perVeh'])
if attrs.has_key('CO2_perVeh'):
self._edgeObj.CO2_perVeh_default = float(attrs['CO2_perVeh'])
if attrs.has_key('HC_perVeh'):
self._edgeObj.HC_perVeh_default = float(attrs['HC_perVeh'])
if attrs.has_key('PMx_perVeh'):
self._edgeObj.PMx_perVeh_default = float(attrs['PMx_perVeh'])
if attrs.has_key('NOx_perVeh'):
self._edgeObj.NOx_perVeh_default = float(attrs['NOx_perVeh'])
if attrs.has_key('fuel_perVeh'):
self._edgeObj.fuel_perVeh_default = float(attrs['fuel_perVeh'])
if attrs.has_key('fuel_abs'):
self._edgeObj.fuel_abs_default = float(attrs['fuel_abs'])
if attrs.has_key('NOx_abs'):
self._edgeObj.NOx_abs_default = float(attrs['NOx_abs'])
if attrs.has_key('PMx_abs'):
self._edgeObj.PMx_abs_default = float(attrs['PMx_abs'])
if attrs.has_key('HC_abs'):
self._edgeObj.HC_abs_default = float(attrs['HC_abs'])
if attrs.has_key('CO2_abs'):
self._edgeObj.CO2_abs_default = float(attrs['CO2_abs'])
if attrs.has_key('CO_abs'):
self._edgeObj.CO_abs_default = float(attrs['CO_abs'])
class routeReader(handler.ContentHandler):
def __init__(self, vehList, vehMap):
self._vehList = vehList
self._vehMap = vehMap
self._vehObj = None
self._routObj = None
def startElement(self, name, attrs):
if name == 'vehicle':
self._vehObj = Vehicle(attrs['id'], attrs['depart'], attrs['departLane'], attrs['departPos'], attrs['departSpeed'])
self._vehMap[attrs['id']] = self._vehObj
self._vehList.append(self._vehObj)
if self._vehObj and name == 'route':
edgesList = attrs['edges'].split(' ')
self._routObj = Route(" ".join(edgesList))
self._vehObj.routesList.append(self._routObj)
def endElement(self, name):
if name == 'vehicle':
self._vehObj = None
self._routObj = None
class vehrouteReader(handler.ContentHandler):
def __init__(self, vehList, vehMap, edgesMap, fout, foutrout,ecoMeasure, alpha, beta):
self._vehList = vehList
self._vehMap = vehMap
self._edgesMap = edgesMap
self._fout = fout
self._foutrout = foutrout
self._ecoMeasure = ecoMeasure
self._newroutesList = []
self._alpha = alpha
self._beta = beta
self._vehObj = None
self._routObj = None
self._selected = None
self._currentSelected = None
self._count = 0
self._existed = False
def startElement(self, name, attrs):
if name == 'vehicle':
self._vehObj = Vehicle(attrs['id'], attrs['depart'], attrs['departLane'], attrs['departPos'], attrs['departSpeed'])
self._vehMap[attrs['id']] = self._vehObj
self._vehList.append(self._vehObj)
if self._vehObj and name == 'routeDistribution':
self._currentSelected = attrs['last']
if self._vehObj and name == 'route':
if self._count == int(self._currentSelected):
self._vehObj.selectedRouteEdges = attrs['edges']
self._count += 1
for r in self._vehObj.routesList:
if r.edges == attrs['edges']:
self._existed = True
self._routObj = r
break
if not self._existed:
self._routObj = Route(attrs['edges'])
self._vehObj.routesList.append(self._routObj)
if attrs.has_key('probability'):
self._routObj.ex_probability = float(attrs['probability'])
if attrs.has_key('cost'):
self._routObj.ex_cost = float(attrs['cost'])
for e in attrs['edges'].split(' '):
eObj = self._edgesMap[e]
if self._ecoMeasure != 'fuel' and eObj.traveltime == 0.:
self._routObj.act_cost += eObj.freetraveltime
elif self._ecoMeasure != 'fuel' and eObj.traveltime > 0.:
self._routObj.act_cost += eObj.traveltime
elif self._ecoMeasure == 'fuel' and eObj.fuel_perVeh == 0.:
self._routObj.act_cost += eObj.fuel_perVeh_default
elif self._ecoMeasure == 'fuel' and eObj.fuel_perVeh > 0.:
self._routObj.act_cost += eObj.fuel_perVeh
def endElement(self, name):
if name == 'vehicle':
if len(self._vehObj.routesList) == 1:
self._vehObj.routesList[0].ex_probability = 1.
for r in self._vehObj.routesList:
if not r.ex_probability:
r.ex_probability = 1./float(len(self._vehObj.routesList))
print 'new probability is calculated.'
self._newroutesList.append(r)
if len(self._newroutesList) > 0:
addProb = 0.
origProbSum = 0.
for r in self._vehObj.routesList:
if r in self._newroutesList:
addProb += r.ex_probability
else:
origProbSum += r.ex_probability
for r in self._vehObj.routesList:
if r not in self._newroutesList:
r.ex_probability = r.ex_probability/origProbSum * (1. - addProb)
for r1 in self._vehObj.routesList: # todo: add "one used route to all routes"
for r2 in self._vehObj.routesList:
if r1.label != r2.label:
gawron(r1, r2, self._alpha, self._beta, self._vehObj.selectedRouteEdges)
randProb = random.random()
if len(self._vehObj.routesList) == 1:
self._vehObj.routesList[0].act_probability = 1.
self._selected = 0
else:
for i, r in enumerate(self._vehObj.routesList):
if i == 0 and r.act_probability >= randProb:
self._selected = i
break
elif i > 0 and (self._vehObj.routesList[i-1].act_probability + self._vehObj.routesList[i].act_probability) >= randProb:
self._selected = i
break
# generate the *.rou.xml
self._foutrout.write(' <vehicle id="%s" depart="%.2f" departLane="%s" departPos="%s" departSpeed="%s">\n'
% (self._vehObj.label, self._vehObj.depart, self._vehObj.departlane, self._vehObj.departpos, self._vehObj.departspeed))
self._foutrout.write(' <route edges="%s"/>\n'% self._vehObj.routesList[self._selected].edges)
self._foutrout.write(' </vehicle> \n')
#generate the *.rou.alt.xml
self._fout.write(' <vehicle id="%s" depart="%.2f" departLane="%s" departPos="%s" departSpeed="%s">\n'
% (self._vehObj.label, self._vehObj.depart, self._vehObj.departlane, self._vehObj.departpos, self._vehObj.departspeed))
self._fout.write(' <routeDistribution last="%s">\n' % self._selected)
for route in self._vehObj.routesList:
self._fout.write(' <route cost="%s" probability="%s" edges="%s"/>\n' % (route.act_cost, route.act_probability, route.edges))
self._fout.write(' </routeDistribution>\n')
self._fout.write(' </vehicle> \n')
self._newroutesList = []
self._vehObj = None
self._selected = None
self._currentSelected = None
self._count = 0
if name == 'route':
self._routObj = None
if name == 'route-alternatives':
self._fout.write('</route-alternatives>\n')
self._fout.close()
self._foutrout.write('</routes>\n')
self._foutrout.close()
class dumpsReader(handler.ContentHandler):
def __init__(self, edgesList,edgesMap):
self._edgesList = edgesList
self._edgeObj = None
self._edgesMap = edgesMap
def startElement(self, name, attrs):
if name == 'edge':
if attrs['id'] not in self._edgesMap:
self._edgeObj = Edge(attrs['id'])
self._edgesList.append(self._edgeObj)
self._edgesMap[attrs['id']] = self._edgeObj
else:
self._edgeObj = self._edgesMap[attrs['id']]
if attrs.has_key('traveltime'):
self._edgeObj.traveltime = float(attrs['traveltime'])
if attrs.has_key('CO_perVeh'):
self._edgeObj.CO_perVeh = float(attrs['CO_perVeh'])
if attrs.has_key('CO2_perVeh'):
self._edgeObj.CO2_perVeh = float(attrs['CO2_perVeh'])
if attrs.has_key('HC_perVeh'):
self._edgeObj.HC_perVeh = float(attrs['HC_perVeh'])
if attrs.has_key('PMx_perVeh'):
self._edgeObj.PMx_perVeh = float(attrs['PMx_perVeh'])
if attrs.has_key('NOx_perVeh'):
self._edgeObj.NOx_perVeh = float(attrs['NOx_perVeh'])
if attrs.has_key('fuel_perVeh'):
self._edgeObj.fuel_perVeh = float(attrs['fuel_perVeh'])
if attrs.has_key('fuel_abs'):
self._edgeObj.fuel_abs = float(attrs['fuel_abs'])
if attrs.has_key('NOx_abs'):
self._edgeObj.NOx_abs = float(attrs['NOx_abs'])
if attrs.has_key('PMx_abs'):
self._edgeObj.PMx_abs = float(attrs['PMx_abs'])
if attrs.has_key('HC_abs'):
self._edgeObj.HC_abs = float(attrs['HC_abs'])
if attrs.has_key('CO2_abs'):
self._edgeObj.CO2_abs = float(attrs['CO2_abs'])
if attrs.has_key('CO_abs'):
self._edgeObj.CO_abs = float(attrs['CO_abs'])
def endElement(self, name):
if name == 'edge':
self._edgeObj = None
def resetEdges(edgesList,edgesMap):
for eid in edgesList:
e = edgesMap[eid]
e.traveltime = 0.
e.CO_abs = 0.
e.CO2_abs = 0.
e.HC_abs = 0.
e.PMx_abs = 0.
e.NOx_abs = 0.
e.fuel_abs = 0.
e.CO_perVeh = 0.
e.CO2_perVeh = 0.
e.HC_perVeh = 0.
e.PMx_perVeh = 0.
e.NOx_perVeh = 0.
e.fuel_perVeh = 0.
def getRouteChoices(edgesMap, dumpfile, routeAltfile, netfile, addWeightsfile, alpha, beta, step, ecoMeasure=None): # check with Micha
random.seed(42) # check with micha
edgesList = []
vehList = []
vehMap = {}
print 'run getRouteChoices'
print 'ecoMeasure:', ecoMeasure
outputPath = os.path.abspath(routeAltfile)
outputPath = os.path.dirname(outputPath)
prefix = os.path.basename(routeAltfile)
prefix = prefix[:prefix.find('.')]
print 'outputPath:', outputPath
print 'prefix:', prefix
outputAltfile = os.path.join(outputPath, prefix + '.rou.galt.xml')
outputRoufile = os.path.join(outputPath, prefix + '.grou.xml')
print outputAltfile
print outputRoufile
if step == 1:
print 'parse network file'
parse(netfile, netReader(edgesList, edgesMap))
parse(addWeightsfile, addweightsReader(edgesList,edgesMap))
else:
resetEdges(edgesList, edgesMap)
fout = open(outputAltfile, 'w')
foutrout = open(outputRoufile, 'w')
fout.write('<?xml version="1.0"?>\n')
fout.write('<!--\n')
fout.write('route choices are generated with use of %s' % os.path.join(os.getcwd(), 'routeChoices.py'))
fout.write('-->\n')
fout.write('<route-alternatives>\n')
foutrout.write('<?xml version="1.0"?>\n')
foutrout.write('<!--\n')
foutrout.write('route choices are generated with use of %s' % os.path.join(os.getcwd(), 'routeChoices.py'))
foutrout.write('-->\n')
foutrout.write('<routes>')
print 'parse dumpfile'
print dumpfile
parse(dumpfile, dumpsReader(edgesList, edgesMap))
print 'parse routeAltfile'
print routeAltfile
parse(routeAltfile, routeReader(vehList, vehMap)) # parse routeAltfile from SUMO
print 'parse routeAltfile from externalGawron'
ex_outputAltFile = prefix[:prefix.rfind('_')] + '_%03i' %(step-1) + '.rou.galt.xml'
ex_outputAltFile = os.path.join(outputPath,ex_outputAltFile)
print 'ex_outputAltFile:', ex_outputAltFile
parse(ex_outputAltFile, vehrouteReader(vehList, vehMap, edgesMap,fout, foutrout,ecoMeasure,alpha, beta))
return outputRoufile, edgesMap
def gawron(r1, r2, alpha, beta,selectedRouteEdges):
a = alpha
#print 'run gawron'
if r1.edges != selectedRouteEdges:
r1.act_cost = beta * r1.act_cost + (1. - beta) * r1.ex_cost
if r2.edges != selectedRouteEdges:
r2.act_cost = beta * r2.act_cost + (1. - beta) * r2.ex_cost
delta = (r2.act_cost - r1.act_cost)/(r2.act_cost + r1.act_cost)
g = math.exp(a*delta/(1-delta*delta))
r1.act_probability = (r1.ex_probability*(r1.ex_probability + r2.ex_probability)*g)/(r1.ex_probability*g + r2.ex_probability) # check together with Eva
r2.act_probability = r1.ex_probability + r2.ex_probability - r1.act_probability
#Eva
# gegeben: 3 Routen
# fuel consumption
#def get_costs(p, l):
# C = 1000
# v = 10
# F = 5000
# Vi = 30
# v0 = 16.67
# c = 1
# k = 0.5
# q = 1000
# Ti = l/v*(1+(p*F/(2*C))*(p*F/(2*C)))
# return c*Ti*(1 + k*p*F/q + 0.5*math.pow(Vi/v0,3)/math.pow(1+k*p*F/q,2))
#def gawron(p1, p2, c1, c2, l1, l2):
# a = 0.5
# b = 0.9
# delta = (c2-c1)/(c2 + c1)
# g = math.exp(a*delta/(1-delta*delta))
# tmp = p1
#
# p1 = (p1*(p1 + p2)*g)/(p1*g + p2)
# p2 = tmp+p2-p1
# c1 = get_costs(p1, l1)
# c2 = b*get_costs(p2, l2) + (1-b)*c2
#
# return p1, p2, c1, c2
#
#anz = 100
#
#l1 = 100
#l2 = 150
#l3 = 200
#
#c1 = get_costs(0,l1) # fuel consumuption
#c2 = get_costs(0,l2) # fuel consumuption
#c3 = get_costs(0,l3) # fuel consumuption
#
#p1 = 1
#p2 = 0
#p3 = 0
#
#for i in arange(anz):
#
# if (i==1):
# p1 = 0.5
# p2 = 0.5
#
# if (i==2):
# p1 = p1-(0.33*p1)
# p2 = 0.67-p1
# p3 = 0.33
#
# p1, p2, c1, c2 = gawron (p1, p2, c1, c2, l1, l2)
# p1, p3, c1, c3 = gawron (p1, p3, c1, c3, l1, l3)
# # p2, p3, c2, c3 = gawron (p2, p3, c2, c3, l2, l3)
# plt.plot(i, p1, ls='', marker='o', mew=0, ms=2, color = 'b')
# plt.plot(i, p2, ls='', marker='o', mew=0, ms=2, color = 'r')
# plt.plot(i, p3, ls='', marker='o', mew=0, ms=2, color = 'g')
#plt.draw()
#plt.show()
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