/// <summary>
/// Tests calculating a directed weight matrix.
/// </summary>
public static Action GetTestDirectedWeightMatrix(Router router, Profiles.Profile profile, int count)
{
var random = new System.Random(145171654);
var vertices = new HashSet <uint>();
var locations = new List <Coordinate>();
while (locations.Count < count)
{
var v = (uint)random.Next((int)router.Db.Network.VertexCount);
if (!vertices.Contains(v))
{
vertices.Add(v);
locations.Add(router.Db.Network.GetVertex(v));
}
}
var locationsArray = locations.ToArray();
var massResolver = new MassResolvingAlgorithm(router, new Profiles.IProfileInstance[] { profile }, locationsArray);
massResolver.Run();
return(() =>
{
var matrix = new Itinero.Algorithms.Matrices.DirectedWeightMatrixAlgorithm(router, profile, massResolver);
matrix.Run();
Assert.IsTrue(matrix.HasSucceeded);
});
}
public void TestContractedDualManyToManyWeights()
{
var eMeter = 20f;
// build and load network.
var routerDb = new RouterDb();
routerDb.LoadTestNetwork(
System.Reflection.Assembly.GetExecutingAssembly().GetManifestResourceStream(
"Itinero.Test.test_data.networks.network9.geojson"));
// get the vertex locations to verify the resulting routes.
var vertices = new Coordinate[]
{
routerDb.Network.GetVertex(0),
routerDb.Network.GetVertex(1),
routerDb.Network.GetVertex(2),
routerDb.Network.GetVertex(3),
routerDb.Network.GetVertex(4),
routerDb.Network.GetVertex(5),
routerDb.Network.GetVertex(6),
routerDb.Network.GetVertex(7)
};
// sort the network.
routerDb.Network.Sort();
// defined and add the supported profile.
var vehicle = Itinero.Osm.Vehicles.Vehicle.Pedestrian.Shortest();
routerDb.AddSupportedVehicle(vehicle.Parent);
routerDb.AddContracted(vehicle, true);
var router = new Router(routerDb);
// route between two locations for all 4 options.
var location1 = new Coordinate(52.35286546406f, 6.66554092450f);
var location2 = new Coordinate(52.3547616807f, 6.66636669078f);
var location3 = new Coordinate(52.35502840541f, 6.66461193744f);
// route and verify (a few select weights).
var matrixCalculator = new Itinero.Algorithms.Matrices.DirectedWeightMatrixAlgorithm(router,
vehicle, new Coordinate[]
{
location1,
location2,
location3,
}, float.MaxValue);
matrixCalculator.Run();
Assert.IsTrue(matrixCalculator.HasRun);
Assert.IsTrue(matrixCalculator.HasSucceeded);
}
public void TestContractedDualManyToManyWeightsOneway()
{
// build and load network.
var routerDb = new RouterDb();
routerDb.LoadTestNetwork(
System.Reflection.Assembly.GetExecutingAssembly().GetManifestResourceStream(
"Itinero.Test.test_data.networks.network15.geojson"));
// get the vertex locations to verify the resulting routes.
var vertices = new Coordinate[]
{
routerDb.Network.GetVertex(0),
routerDb.Network.GetVertex(1),
routerDb.Network.GetVertex(2),
routerDb.Network.GetVertex(3),
routerDb.Network.GetVertex(4),
routerDb.Network.GetVertex(5),
routerDb.Network.GetVertex(6),
routerDb.Network.GetVertex(7)
};
// sort the network.
routerDb.Network.Sort();
// defined and add the supported profile.
var vehicle = Itinero.Osm.Vehicles.Vehicle.Car.Fastest();
routerDb.AddSupportedVehicle(vehicle.Parent);
routerDb.AddContracted(vehicle, true);
var router = new Router(routerDb);
var json = routerDb.GetGeoJson();
// route between two locations for all 4 options.
var location1 = new Coordinate(51.222421401217204f, 4.426546096801758f);
var location2 = new Coordinate(51.22244827903742f, 4.43248987197876f);
// route and verify (a few select weights).
var matrixCalculator = new Itinero.Algorithms.Matrices.DirectedWeightMatrixAlgorithm(router,
vehicle, new Coordinate[]
{
location1,
location2
}, float.MaxValue);
matrixCalculator.Run();
Assert.IsTrue(matrixCalculator.HasRun);
Assert.IsTrue(matrixCalculator.HasSucceeded);
var weights = matrixCalculator.Weights;
Assert.IsNotNull(weights);
Assert.AreEqual(4, weights.Length);
Assert.AreEqual(4, weights[0].Length);
Assert.AreEqual(float.MaxValue, weights[0][0]);
Assert.AreEqual(float.MaxValue, weights[0][1]);
Assert.AreEqual(float.MaxValue, weights[0][2]);
Assert.AreEqual(float.MaxValue, weights[0][3]);
Assert.AreEqual(float.MaxValue, weights[1][0]);
Assert.AreEqual(0, weights[1][1]);
Assert.AreEqual(float.MaxValue, weights[1][2]);
Assert.AreEqual(75, weights[1][3], 10);
Assert.AreEqual(float.MaxValue, weights[2][0]);
Assert.AreEqual(float.MaxValue, weights[2][1]);
Assert.AreEqual(float.MaxValue, weights[2][2]);
Assert.AreEqual(float.MaxValue, weights[2][3]);
Assert.AreEqual(float.MaxValue, weights[3][0]);
Assert.AreEqual(75, weights[3][1], 10);
Assert.AreEqual(float.MaxValue, weights[3][2]);
Assert.AreEqual(0, weights[3][3]);
}
