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#!/usr/bin/python
"""
@file convert_fcd2phem.py
@author Daniel Krajzewicz
@date 2013-01-15
@version $Id: traceExporter.py 13845 2013-05-02 13:53:19Z dkrajzew $
A script for converting SUMO's fcd-output into files readable by PHEM.
SUMO, Simulation of Urban MObility; see http://sumo.sourceforge.net/
Copyright (C) 2013 DLR (http://www.dlr.de/) and contributors
All rights reserved
"""
import os, subprocess, sys, random
sys.path.append(os.path.join(os.path.dirname(__file__), '..', '..', 'tools'))
sys.path.append(os.path.join(os.environ.get("SUMO_HOME", os.path.join(os.path.dirname(__file__), '..', '..')), 'tools'))
import sumolib.net
import sumolib.output.convert.phem as phem
import sumolib.output.convert.omnet as omnet
import sumolib.output.convert.shawn as shawn
import sumolib.output.convert.ns2 as ns2
import sumolib.output.convert.gpsdat as gpsdat
from random import gauss, random
from datetime import datetime, timedelta
class FCDVehicleEntry:
def __init__(self, id, x, y, z, speed, typev, lane, slope):
self.id = id
self.x = x
self.y = y
self.z = z
self.speed = speed
self.type = typev
self.lane = lane
self.slope = slope
class FCDTimeEntry:
def __init__(self, t):
self.time = t
self.vehicle = []
def disturb_gps(x, y, deviation):
if deviation == 0:
return x, y
x += gauss(0, deviation)
y += gauss(0, deviation)
return x, y
def _getOutputStream(name):
if not name:
return None
return open(name, "w")
def _closeOutputStream(strm):
if strm: strm.close()
def procFCDStream(fcdstream, options):
pt = -1 # "prior" time step
lt = -1 # "last" time step
ft = -1 # "first" time step
lastExported = -1
chosen = {}
for i,q in enumerate(fcdstream):
pt = lt
lt = float(q.time.encode("latin1"))
if ft<0:
# this is the first step contained in the simulation
ft = lt # save it for later purposes
if options.begin and options.begin>lt:
continue # do not export steps before a set begin
if options.end and options.end<=lt:
continue # do not export steps after a set end
if lastExported>=0 and (options.delta and options.delta+lastExported>lt):
continue # do not export between delta-t, if set
lastExported = lt
e = FCDTimeEntry(lt)
if q.vehicle:
for v in q.vehicle:
if v not in chosen: chosen[v] = random()<options.penetration
if chosen[v]:
x, y = disturb_gps(float(v.x), float(v.y), options.blur)
if v.z: z = v.z
else: z = 0
e.vehicle.append(FCDVehicleEntry(v.id, x, y, z, v.speed, v.type, v.lane, v.slope))
yield e
t = lt-pt+lt
yield FCDTimeEntry(t)
def runMethod(inputFile, outputFile, writer, options, further={}):
further["app"] = os.path.split(__file__)[1]
if options.base>=0: further["base-date"] = datetime.fromtimestamp(options.base)
else: further["base-date"] = datetime.now()
o = _getOutputStream(outputFile)
fcdStream = sumolib.output.parse(inputFile, "timestep")
ret = writer(procFCDStream(fcdStream, options), o, further)
_closeOutputStream(o)
return ret
def main(args=None):
"""The main function; parses options and converts..."""
## ---------- build and read options ----------
from optparse import OptionParser
optParser = OptionParser()
optParser.add_option("-i", "--fcd-input", dest="fcd", metavar="FILE",
help="Defines the FCD-output file to use as input")
optParser.add_option("-n", "--net-input", dest="net", metavar="FILE",
help="Defines the network file to use as input")
optParser.add_option("-p", "--penetration", dest="penetration",
default=1., help="Defines the percentage (0-1) of vehicles to export")
optParser.add_option("-b", "--begin", dest="begin",
type="float", help="Defines the first step to export")
optParser.add_option("-e", "--end", dest="end",
type="float", help="Defines the first step not longer to export")
optParser.add_option("-d", "--delta-t", dest="delta",
type="float", help="Defines the export step length")
optParser.add_option("--gps-blur", dest="blur", default=0,
type="float", help="Defines the GPS blur")
optParser.add_option("-s", "--seed", dest="seed", default=0,
type="float", help="Defines the randomizer seed")
optParser.add_option("--base-date", dest="base", default=-1, type="int", help="Defines the base date")
# PHEM
optParser.add_option("--dri-output", dest="dri", metavar="FILE",
help="Defines the name of the PHEM .dri-file to generate")
optParser.add_option("--str-output", dest="str", metavar="FILE",
help="Defines the name of the PHEM .str-file to generate")
optParser.add_option("--fzp-output", dest="fzp", metavar="FILE",
help="Defines the name of the PHEM .fzp-file to generate")
optParser.add_option("--flt-output", dest="flt", metavar="FILE",
help="Defines the name of the PHEM .flt-file to generate")
# OMNET
optParser.add_option("--omnet-output", dest="omnet", metavar="FILE",
help="Defines the name of the OMNET file to generate")
# Shawn
optParser.add_option("--shawn-output", dest="shawn", metavar="FILE",
help="Defines the name of the Shawn file to generate")
# ns2
optParser.add_option("--ns2activity-output", dest="ns2activity", metavar="FILE",
help="Defines the name of the ns2 file to generate")
optParser.add_option("--ns2config-output", dest="ns2config", metavar="FILE",
help="Defines the name of the ns2 file to generate")
optParser.add_option("--ns2mobility-output", dest="ns2mobility", metavar="FILE",
help="Defines the name of the ns2 file to generate")
# GPSDAT
optParser.add_option("--gpsdat-output", dest="gpsdat", metavar="FILE",
help="Defines the name of the gpsdat file to generate")
# parse
options, remaining_args = optParser.parse_args(args=args)
if options.seed:
random.seed(options.seed)
## ---------- process ----------
net = None
## ----- check needed values
if options.delta and options.delta<=0:
print "delta-t must be a positive value."
return 1
# phem
if (options.dri or options.fzp or options.flt) and not options.fcd:
print "A fcd-output from SUMO must be given using the --fcd-input."
return 1
if (options.str or options.fzp or options.flt) and not options.net:
print "A SUMO network must be given using the --net-input option."
return 1
# omnet
if options.omnet and not options.fcd:
print "A fcd-output from SUMO must be given using the --fcd-input."
return 1
## ----- check needed values
## ----- OMNET
if options.omnet: runMethod(options.fcd, options.omnet, omnet.fcd2omnet, options)
## ----- OMNET
## ----- Shawn
if options.shawn: runMethod(options.fcd, options.shawn, shawn.fcd2shawn, options)
## ----- Shawn
## ----- GPSDAT
if options.gpsdat: runMethod(options.fcd, options.gpsdat, gpsdat.fcd2gpsdat, options)
## ----- GPSDAT
## ----- ns2
if options.ns2mobility or options.ns2config or options.ns2activity:
vIDm, vehInfo, begin, end, area = runMethod(options.fcd, options.ns2mobility, ns2.fcd2ns2mobility, options)
if options.ns2activity:
o = _getOutputStream(options.ns2activity)
ns2.writeNS2activity(o, vehInfo)
_closeOutputStream(o)
if options.ns2config:
o = _getOutputStream(options.ns2config)
ns2.writeNS2config(o, vehInfo, options.ns2activity, options.ns2mobility, begin, end, area)
_closeOutputStream(o)
## ----- ns2
## ----- PHEM
# .dri
if options.dri: runMethod(options.fcd, options.dri, phem.fcd2dri, options)
# .str (we need the net for other outputs, too)
if options.str or options.fzp or options.flt:
if not options.net:
print "A SUMO network must be given using the --net-input option."
return 1
if not net: net = sumolib.net.readNet(options.net)
o = _getOutputStream(options.str)
sIDm = phem.net2str(net, o)
_closeOutputStream(o)
# .fzp
if options.flt or options.fzp:
vIDm, vtIDm = runMethod(options.fcd, options.fzp, phem.fcd2fzp, options, {"phemStreetMap":sIDm})
# .flt
if options.flt:
o = _getOutputStream(options.flt)
phem.vehicleTypes2flt(o, vtIDm)
_closeOutputStream(o)
## ----- PHEM
return 0
if __name__ == "__main__":
sys.exit(main(sys.argv)) |
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