• duarouter
duarouter

From 30.000 feet#

duarouter imports different demand definitions, computes vehicle routes that may be used by sumo using shortest path computation; When called iteratively duarouter performs dynamic user assignment (DUA). This is facilitated by the tool duaiterate.py which converges to an equilibrium state (DUE).

  • Purpose:

    A) Building vehicle routes from demand definitions

    B) Computing routes during a user assignment

    C) Repairing connectivity problems in existing route files

  • System: portable (Linux/Windows is tested); runs on command line

Usage Description#

Duarouter has two main purposes: Computing fastest/optimal routes directly as well as iteratively in the context of Dynamic_User_Assignment.

Outputs#

The primary output of duarouter is a .rou.xml file which has its name specified by the option -o). Additionally a .rou.alt.xml with the same name prefix as the .rou.xml file will be generated. This route alternative file holds a routeDistribution for every vehicle. Such a routeDistribution is used during dynamic user assignment (DUA) but can also be loaded directly into sumo.

Options#

You may use a XML schema definition file for setting up a duarouter configuration: duarouterConfiguration.xsd.

Configuration#

All applications of the SUMO-suite handle configuration options the same way. These options are discussed at Basics/Using the Command Line Applications#Configuration Files.

Option Description
-c <FILE>
--configuration-file <FILE>		 Loads the named config on startup
-C <FILE>
--save-configuration <FILE>		 Saves current configuration into FILE
--save-configuration.relative <BOOL> Enforce relative paths when saving the configuration; default: false
--save-template <FILE> Saves a configuration template (empty) into FILE
--save-schema <FILE> Saves the configuration schema into FILE
--save-commented <BOOL> Adds comments to saved template, configuration, or schema; default: false

Input#

Option Description
-n <FILE>
--net-file <FILE>		 Use FILE as SUMO-network to route on
-d <FILE>
--additional-files <FILE>		 Read additional network data (districts, bus stops) from FILE(s)
-t <FILE>
--route-files <FILE>		 Read sumo routes, alternatives, flows, and trips from FILE(s)
--phemlight-path <FILE> Determines where to load PHEMlight definitions from; default: ./PHEMlight/
--phemlight-year <INT> Enable fleet age modelling with the given reference year in PHEMlight5; default: 0
--phemlight-temperature <FLOAT> Set ambient temperature to correct NOx emissions in PHEMlight5; default: 1.79769e+308
-w <FILE>
--weight-files <FILE>		 Read network weights from FILE(s)
--lane-weight-files <FILE> Read lane-based network weights from FILE(s)
-x <STRING>
--weight-attribute <STRING>		 Name of the xml attribute which gives the edge weight; default: traveltime
--junction-taz <BOOL> Initialize a TAZ for every junction to use attributes toJunction and fromJunction; default: false

Output#

Option Description
-o <FILE>
--output-file <FILE>		 Write generated routes to FILE
--vtype-output <FILE> Write used vehicle types into separate FILE
--keep-vtype-distributions <BOOL> Keep vTypeDistribution ids when writing vehicles and their types; default: false
--emissions.volumetric-fuel <BOOL> Return fuel consumption values in (legacy) unit l instead of mg; default: false
--named-routes <BOOL> Write vehicles that reference routes by their id; default: false
--write-license <BOOL> Include license info into every output file; default: false
--output-prefix <STRING> Prefix which is applied to all output files. The special string 'TIME' is replaced by the current time.
--precision <INT> Defines the number of digits after the comma for floating point output; default: 2
--precision.geo <INT> Defines the number of digits after the comma for lon,lat output; default: 6
-H <BOOL>
--human-readable-time <BOOL>		 Write time values as hour:minute:second or day:hour:minute:second rather than seconds; default: false
--alternatives-output <FILE> Write generated route alternatives to FILE
--intermodal-network-output <FILE> Write edge splits and connectivity to FILE
--intermodal-weight-output <FILE> Write intermodal edges with lengths and travel times to FILE
--write-trips <BOOL> Write trips instead of vehicles (for validating trip input); default: false
--write-trips.geo <BOOL> Write trips with geo-coordinates; default: false
--write-trips.junctions <BOOL> Write trips with fromJunction and toJunction; default: false
--write-costs <BOOL> Include the cost attribute in route output; default: false
--exit-times <BOOL> Write exit times (weights) for each edge; default: false
--route-length <BOOL> Include total route length in the output; default: false

Processing#

Option Description
--max-alternatives <INT> Prune the number of alternatives to INT; default: 5
--with-taz <BOOL> Use origin and destination zones (districts) for in- and output; default: false
--unsorted-input <BOOL> Assume input is unsorted; default: false
-s <TIME>
--route-steps <TIME>		 Load routes for the next number of seconds ahead; default: 200
--no-internal-links <BOOL> Disable (junction) internal links; default: false
--randomize-flows <BOOL> generate random departure times for flow input; default: false
--remove-loops <BOOL> Remove loops within the route; Remove turnarounds at start and end of the route; default: false
--repair <BOOL> Tries to correct a false route; default: false
--repair.from <BOOL> Tries to correct an invalid starting edge by using the first usable edge instead; default: false
--repair.to <BOOL> Tries to correct an invalid destination edge by using the last usable edge instead; default: false
--mapmatch.distance <FLOAT> Maximum distance when mapping input coordinates (fromXY etc.) to the road network; default: 100
--mapmatch.junctions <BOOL> Match positions to junctions instead of edges; default: false
--bulk-routing <BOOL> Aggregate routing queries with the same origin; default: false
--routing-threads <INT> The number of parallel execution threads used for routing; default: 0
--routing-algorithm <STRING> Select among routing algorithms ['dijkstra', 'astar', 'CH', 'CHWrapper']; default: dijkstra
--restriction-params Comma separated list of param keys to compare for additional restrictions
--weights.interpolate <BOOL> Interpolate edge weights at interval boundaries; default: false
--weights.expand <BOOL> Expand the end of the last loaded weight interval to infinity; default: false
--weights.minor-penalty <FLOAT> Apply the given time penalty when computing routing costs for minor-link internal lanes; default: 1.5
--weights.random-factor <FLOAT> Edge weights for routing are dynamically disturbed by a random factor drawn uniformly from [1,FLOAT); default: 1
--weight-period <TIME> Aggregation period for the given weight files; triggers rebuilding of Contraction Hierarchy; default: 3600
--weights.priority-factor <FLOAT> Consider edge priorities in addition to travel times, weighted by factor; default: 0
--astar.all-distances <FILE> Initialize lookup table for astar from the given file (generated by marouter --all-pairs-output)
--astar.landmark-distances <FILE> Initialize lookup table for astar ALT-variant from the given file
--astar.save-landmark-distances <FILE> Save lookup table for astar ALT-variant to the given file
--gawron.beta <FLOAT> Use FLOAT as Gawron's beta; default: 0.3
--gawron.a <FLOAT> Use FLOAT as Gawron's a; default: 0.05
--keep-all-routes <BOOL> Save routes with near zero probability; default: false
--skip-new-routes <BOOL> Only reuse routes from input, do not calculate new ones; default: false
--keep-route-probability <FLOAT> The probability of keeping the old route; default: 0
--ptline-routing <BOOL> Route all public transport input; default: false
--route-choice-method <STRING> Choose a route choice method: gawron, logit, or lohse; default: gawron
--logit <BOOL> Use c-logit model (deprecated in favor of --route-choice-method logit); default: false
--logit.beta <FLOAT> Use FLOAT as logit's beta; default: -1
--logit.gamma <FLOAT> Use FLOAT as logit's gamma; default: 1
--logit.theta <FLOAT> Use FLOAT as logit's theta (negative values mean auto-estimation); default: -1
--persontrip.walkfactor <FLOAT> Use FLOAT as a factor on pedestrian maximum speed during intermodal routing; default: 0.75
--persontrip.walk-opposite-factor <FLOAT> Use FLOAT as a factor on walking speed against vehicle traffic direction; default: 1
--persontrip.transfer.car-walk Where are mode changes from car to walking allowed (possible values: 'parkingAreas', 'ptStops', 'allJunctions' and combinations); default: parkingAreas
--persontrip.transfer.taxi-walk Where taxis can drop off customers ('allJunctions, 'ptStops')
--persontrip.transfer.walk-taxi Where taxis can pick up customers ('allJunctions, 'ptStops')
--persontrip.taxi.waiting-time <TIME> Estimated time for taxi pickup; default: 300
--railway.max-train-length <FLOAT> Use FLOAT as a maximum train length when initializing the railway router; default: 1000

Defaults#

Option Description
--departlane <STRING> Assigns a default depart lane
--departpos <STRING> Assigns a default depart position
--departspeed <STRING> Assigns a default depart speed
--arrivallane <STRING> Assigns a default arrival lane
--arrivalpos <STRING> Assigns a default arrival position
--arrivalspeed <STRING> Assigns a default arrival speed
--defaults-override <BOOL> Defaults will override given values; default: false

Time#

Option Description
-b <TIME>
--begin <TIME>		 Defines the begin time; Previous trips will be discarded; default: 0
-e <TIME>
--end <TIME>		 Defines the end time; Later trips will be discarded; Defaults to the maximum time that SUMO can represent; default: -1

Report#

All applications of the SUMO-suite handle most of the reporting options the same way. These options are discussed at Basics/Using the Command Line Applications#Reporting Options.

Option Description
-v <BOOL>
--verbose <BOOL>		 Switches to verbose output; default: false
--print-options <BOOL> Prints option values before processing; default: false
-? <BOOL>
--help <BOOL>		 Prints this screen or selected topics; default: false
-V <BOOL>
--version <BOOL>		 Prints the current version; default: false
-X <STRING>
--xml-validation <STRING>		 Set schema validation scheme of XML inputs ("never", "local", "auto" or "always"); default: local
--xml-validation.net <STRING> Set schema validation scheme of SUMO network inputs ("never", "local", "auto" or "always"); default: never
--xml-validation.routes <STRING> Set schema validation scheme of SUMO route inputs ("never", "local", "auto" or "always"); default: local
-W <BOOL>
--no-warnings <BOOL>		 Disables output of warnings; default: false
--aggregate-warnings <INT> Aggregate warnings of the same type whenever more than INT occur; default: -1
-l <FILE>
--log <FILE>		 Writes all messages to FILE (implies verbose)
--message-log <FILE> Writes all non-error messages to FILE (implies verbose)
--error-log <FILE> Writes all warnings and errors to FILE
--ignore-errors <BOOL> Continue if a route could not be build; default: false
--stats-period <INT> Defines how often statistics shall be printed; default: -1
--no-step-log <BOOL> Disable console output of route parsing step; default: false

Random Number#

All applications of the SUMO-suite handle randomisation options the same way. These options are discussed at Basics/Using the Command Line Applications#Random Number Options.

Option Description
--random <BOOL> Initialises the random number generator with the current system time; default: false
--seed <INT> Initialises the random number generator with the given value; default: 23423

Further Documentation#