private final void createVehicleLinkSpeedAttributes() {
    for (TransitLine transitLine : scenario.getTransitSchedule().getTransitLines().values()) {
      for (TransitRoute transitRoute : transitLine.getRoutes().values()) {
        Set<Id> vehIds = new HashSet<Id>();
        for (Departure departure : transitRoute.getDepartures().values()) {
          vehIds.add(departure.getVehicleId());
        }

        Iterator<TransitRouteStop> iterator = transitRoute.getStops().iterator();
        double departure = iterator.next().getDepartureOffset();
        while (iterator.hasNext()) {
          TransitRouteStop routeStop = iterator.next();
          double arrival = routeStop.getArrivalOffset();
          Link link = scenario.getNetwork().getLinks().get(routeStop.getStopFacility().getLinkId());
          double speed = link.getLength() / (arrival - departure);
          if (speed >= 200.0) {
            System.out.println(
                "line="
                    + transitLine.getId()
                    + ";route="
                    + transitRoute.getId()
                    + "stop="
                    + routeStop.getStopFacility().getId()
                    + ": lLenth="
                    + link.getLength()
                    + ";arr="
                    + arrival
                    + ";dep="
                    + departure
                    + "");
          }

          for (Id vehId : vehIds) {
            this.vehicleAttributes.putAttribute(vehId.toString(), link.getId().toString(), speed);
          }

          departure = routeStop.getDepartureOffset();
        }
      }
    }
  }
  private void writeVehicles(String vehiclesOutFile) {
    VehiclesFactory vehFactory = this.veh.getFactory();
    VehicleType vehType =
        vehFactory.createVehicleType(Id.create("defaultTransitVehicleType", VehicleType.class));
    VehicleCapacity capacity = new VehicleCapacityImpl();
    capacity.setSeats(Integer.valueOf(8));
    capacity.setStandingRoom(Integer.valueOf(0));
    vehType.setCapacity(capacity);
    this.veh.addVehicleType(vehType);

    for (TransitLine line : this.tS.getTransitLines().values()) {
      for (TransitRoute route : line.getRoutes().values()) {
        for (Departure departure : route.getDepartures().values()) {
          Vehicle vehicle = vehFactory.createVehicle(departure.getVehicleId(), vehType);
          this.veh.addVehicle(vehicle);
        }
      }
    }

    VehicleWriterV1 writer = new VehicleWriterV1(this.veh);
    writer.writeFile(vehiclesOutFile);
  }
Esempio n. 3
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  public TransitRouteData(Network network, TransitRoute transitRoute) {

    this.transportMode = transitRoute.getTransportMode();

    this.firstDeparture = Double.MAX_VALUE;
    this.lastDeparture = -Double.MAX_VALUE;
    this.vehIds = new TreeSet<String>();
    this.numberOfDepartures = 0;

    for (Departure departure : transitRoute.getDepartures().values()) {
      this.firstDeparture = Math.min(this.firstDeparture, departure.getDepartureTime());
      this.lastDeparture = Math.max(this.lastDeparture, departure.getDepartureTime());
      this.vehIds.add(departure.getVehicleId().toString());
      this.numberOfDepartures++;
    }

    this.firstStop = transitRoute.getStops().get(0).getStopFacility();
    this.lastStop =
        transitRoute.getStops().get(transitRoute.getStops().size() - 1).getStopFacility();

    if (this.firstStop == this.lastStop) {
      // get the stop location of stop with the largest distance between first and last stop
      TransitStopFacility currentViaStop = null;
      double currentViaDistance = Double.NEGATIVE_INFINITY;
      for (TransitRouteStop stop : transitRoute.getStops()) {
        double distanceFirstPotentialVia =
            CoordUtils.calcDistance(this.firstStop.getCoord(), stop.getStopFacility().getCoord());
        double distanceLastProtenialVia =
            CoordUtils.calcDistance(this.lastStop.getCoord(), stop.getStopFacility().getCoord());
        double newDistance =
            Math.sqrt(
                Math.pow(distanceFirstPotentialVia, 2) + Math.pow(distanceLastProtenialVia, 2));

        if (newDistance > currentViaDistance) {
          // this one is farther away - keep it
          currentViaStop = stop.getStopFacility();
          currentViaDistance = newDistance;
        }
      }
      this.viaStop = currentViaStop;
    } else {
      // get the stop in the middle of the line
      this.viaStop =
          transitRoute.getStops().get((int) (transitRoute.getStops().size() / 2)).getStopFacility();
    }

    // calculate the length of the route
    double distance = 0.0;
    double freeSpeedTravelTime = 0.0;
    for (Id<Link> linkId : transitRoute.getRoute().getLinkIds()) {
      Link link = network.getLinks().get(linkId);
      distance += link.getLength();
      freeSpeedTravelTime += link.getLength() / link.getFreespeed();
    }
    // add last link but not the first link
    Link link = network.getLinks().get(transitRoute.getRoute().getEndLinkId());
    distance += link.getLength();
    freeSpeedTravelTime += link.getLength() / link.getFreespeed();

    this.distance = distance;
    this.freeSpeedTravelTime = freeSpeedTravelTime;

    this.travelTime =
        transitRoute.getStops().get(transitRoute.getStops().size() - 1).getArrivalOffset();

    this.avgSpeed = this.distance / this.travelTime;
  }
Esempio n. 4
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  public void createGraph(final String filename, final TransitRoute route) {

    HashMap<Id, Integer> stopIndex = new HashMap<Id, Integer>();
    int idx = 0;
    for (TransitRouteStop stop : route.getStops()) {
      stopIndex.put(stop.getStopFacility().getId(), idx);
      idx++;
    }

    HashSet<Id> vehicles = new HashSet<Id>();
    for (Departure dep : route.getDepartures().values()) {
      vehicles.add(dep.getVehicleId());
    }

    XYSeriesCollection dataset = new XYSeriesCollection();
    int numSeries = 0;
    double earliestTime = Double.POSITIVE_INFINITY;
    double latestTime = Double.NEGATIVE_INFINITY;

    for (Map.Entry<Id, List<Tuple<Id, Double>>> entry : this.positions.entrySet()) {
      if (vehicles.contains(entry.getKey())) {
        XYSeries series = new XYSeries("t", false, true);
        for (Tuple<Id, Double> pos : entry.getValue()) {
          Integer stopIdx = stopIndex.get(pos.getFirst());
          if (stopIdx != null) {
            double time = pos.getSecond().doubleValue();
            series.add(stopIdx.intValue(), time);
            if (time < earliestTime) {
              earliestTime = time;
            }
            if (time > latestTime) {
              latestTime = time;
            }
          }
        }
        dataset.addSeries(series);
        numSeries++;
      }
    }

    JFreeChart c =
        ChartFactory.createXYLineChart(
            "Route-Time Diagram, Route = " + route.getId(),
            "stops",
            "time",
            dataset,
            PlotOrientation.VERTICAL,
            false, // legend?
            false, // tooltips?
            false // URLs?
            );
    c.setBackgroundPaint(new Color(1.0f, 1.0f, 1.0f, 1.0f));

    XYPlot p = (XYPlot) c.getPlot();

    p.getRangeAxis().setInverted(true);
    p.getRangeAxis().setRange(earliestTime, latestTime);
    XYItemRenderer renderer = p.getRenderer();
    for (int i = 0; i < numSeries; i++) {
      renderer.setSeriesPaint(i, Color.black);
    }

    try {
      ChartUtilities.saveChartAsPNG(new File(filename), c, 1024, 768, null, true, 9);
    } catch (IOException e) {
      e.printStackTrace();
    }
  }