private static void AddPickupAndDropoff(FeatureCollection run, RoutingModel routing)
{
const int pickup = 0, dropoff = 1;
var groups = run
.Features
.Where(x => x.Properties.ContainsKey("orderId"))
.GroupBy(x => x.Properties["orderId"]);
foreach (var group in groups)
{
var pickupStop = group.Single(x => Convert.ToInt32(x.Properties["stopKind"]) == pickup);
var dropoffStop = group.Single(x => Convert.ToInt32(x.Properties["stopKind"]) == dropoff);
int pickupNode = run.Features.IndexOf(pickupStop),
dropoffNode = run.Features.IndexOf(dropoffStop);
// Set route precedence
routing.AddPickupAndDelivery(pickupNode, dropoffNode);
// Link same vehicle to both nodes
var constraint = routing
.solver()
.MakeEquality(
routing.VehicleVar(routing.NodeToIndex(pickupNode)),
routing.VehicleVar(routing.NodeToIndex(dropoffNode)));
routing.solver().Add(constraint);
}
}
private static void AddTimeDimension(FeatureCollection input, RoutingModel routing, NodeEvaluator2 evaluator)
{
var speed = 10 * 1000 / 3600; // 10 km/h
routing.AddDimension(new ServiceTimeEvaluator(evaluator, speed), 24 * 3600, 24 * 3600, true, "Time");
var timeDimension = routing.GetDimensionOrDie("Time");
var timeWindow = 3600 * 3;
for (int i = 0; i < input.Features.Count; i++)
{
var feature = input.Features[i];
if (feature.Properties.ContainsKey("start"))
{
int start = Convert.ToInt32(feature.Properties["start"]),
end = start + timeWindow;
timeDimension.CumulVar(routing.NodeToIndex(i)).SetRange(start, end);
}
}
}