public void TestCHDepthFirstEnumerator()
{
const string embeddedString = "OsmSharp.UnitTests.test_network_real1.osm";
// creates a new interpreter.
var interpreter = new OsmRoutingInterpreter();
// do the data processing.
var original = CHEdgeGraphOsmStreamWriter.Preprocess(new XmlOsmStreamSource(
Assembly.GetExecutingAssembly()
.GetManifestResourceStream(embeddedString)),
interpreter,
Vehicle.Car);
// add the downward edges.
original.AddDownwardEdges();
// enumerate using depth-first search.
CHDepthFirstEnumerator enumerator =
new CHDepthFirstEnumerator(original);
HashSet <uint> vertices = new HashSet <uint>(
enumerator.Select(x => x.VertexId));
for (uint vertexId = 1; vertexId < original.VertexCount + 1; vertexId++)
{
Assert.IsTrue(vertices.Contains(vertexId));
}
}
public void TestCHDataSourceTopologicalSortTest()
{
const string embeddedString = "OsmSharp.UnitTests.test_network_real1.osm";
// creates a new interpreter.
var interpreter = new OsmRoutingInterpreter();
// do the data processing.
var original = CHEdgeGraphOsmStreamWriter.Preprocess(new XmlOsmStreamSource(
Assembly.GetExecutingAssembly()
.GetManifestResourceStream(embeddedString)),
interpreter,
Vehicle.Car);
var sortedGraph = CHEdgeDataDataSourceSerializer.SortGraph(original);
original = CHEdgeGraphOsmStreamWriter.Preprocess(new XmlOsmStreamSource(
Assembly.GetExecutingAssembly()
.GetManifestResourceStream(embeddedString)),
interpreter,
Vehicle.Car);
var basicRouterOriginal = new CHRouter(original);
Router referenceRouter = Router.CreateCHFrom(
original, basicRouterOriginal, interpreter);
// try to do some routing on the deserialized version.
var basicRouter =
new CHRouter(sortedGraph);
Router router = Router.CreateCHFrom(
new DynamicGraphRouterDataSource <CHEdgeData>(sortedGraph, original.TagsIndex), basicRouter, interpreter);
// loop over all nodes and resolve their locations.
var resolvedReference = new RouterPoint[original.VertexCount];
var resolved = new RouterPoint[original.VertexCount];
for (uint idx = 1; idx < original.VertexCount + 1; idx++)
{ // resolve each vertex.
float latitude, longitude;
if (original.GetVertex(idx, out latitude, out longitude))
{
resolvedReference[idx - 1] = referenceRouter.Resolve(Vehicle.Car, new GeoCoordinate(latitude, longitude));
resolved[idx - 1] = router.Resolve(Vehicle.Car, new GeoCoordinate(latitude, longitude));
}
Assert.IsNotNull(resolvedReference[idx - 1]);
Assert.IsNotNull(resolved[idx - 1]);
//Assert.AreEqual(resolvedReference[idx - 1].Location.Latitude,
// resolved[idx - 1].Location.Latitude, 0.0001);
//Assert.AreEqual(resolvedReference[idx - 1].Location.Longitude,
// resolved[idx - 1].Location.Longitude, 0.0001);
}
//// check all the routes having the same weight(s).
//for (int fromIdx = 0; fromIdx < resolved.Length; fromIdx++)
//{
// for (int toIdx = 0; toIdx < resolved.Length; toIdx++)
// {
// OsmSharpRoute referenceRoute = referenceRouter.Calculate(Vehicle.Car,
// resolvedReference[fromIdx], resolvedReference[toIdx]);
// OsmSharpRoute route = router.Calculate(Vehicle.Car,
// resolved[fromIdx], resolved[toIdx]);
// Assert.IsNotNull(referenceRoute);
// Assert.IsNotNull(route);
// //Assert.AreEqual(referenceRoute.TotalDistance, route.TotalDistance, 0.1);
// // TODO: meta data is missing in some CH routing; see issue
// //Assert.AreEqual(reference_route.TotalTime, route.TotalTime, 0.0001);
// }
//}
}
public void RoutingSerializationV2CHRoutingComparisonTest()
{
const string embeddedString = "OsmSharp.UnitTests.test_network_real1.osm";
// creates a new interpreter.
var interpreter = new OsmRoutingInterpreter();
// do the data processing.
var original = CHEdgeGraphOsmStreamWriter.Preprocess(new XmlOsmStreamSource(
Assembly.GetExecutingAssembly()
.GetManifestResourceStream(embeddedString)),
interpreter,
Vehicle.Car);
// create serializer.
var routingSerializer = new OsmSharp.Routing.CH.Serialization.Sorted.CHEdgeDataDataSourceSerializer(true);
// serialize/deserialize.
byte[] byteArray;
using (var stream = new MemoryStream())
{
try
{
routingSerializer.Serialize(stream, original);
byteArray = stream.ToArray();
}
catch (Exception)
{
if (Debugger.IsAttached)
{
Debugger.Break();
}
throw;
}
}
IBasicRouterDataSource <CHEdgeData> deserializedVersion =
routingSerializer.Deserialize(new MemoryStream(byteArray));
Assert.AreEqual(original.TagsIndex.Get(0), deserializedVersion.TagsIndex.Get(0));
// create reference router.
original = CHEdgeGraphOsmStreamWriter.Preprocess(new XmlOsmStreamSource(
Assembly.GetExecutingAssembly()
.GetManifestResourceStream(embeddedString)),
interpreter,
Vehicle.Car);
var basicRouterOriginal = new CHRouter(original);
Router referenceRouter = Router.CreateCHFrom(
original, basicRouterOriginal, interpreter);
// try to do some routing on the deserialized version.
var basicRouter =
new CHRouter(deserializedVersion);
Router router = Router.CreateCHFrom(
deserializedVersion, basicRouter, interpreter);
// loop over all nodes and resolve their locations.
var resolvedReference = new RouterPoint[original.VertexCount];
var resolved = new RouterPoint[original.VertexCount];
for (uint idx = 1; idx < original.VertexCount + 1; idx++)
{ // resolve each vertex.
float latitude, longitude;
if (original.GetVertex(idx, out latitude, out longitude))
{
resolvedReference[idx - 1] = referenceRouter.Resolve(Vehicle.Car, new GeoCoordinate(latitude, longitude));
resolved[idx - 1] = router.Resolve(Vehicle.Car, new GeoCoordinate(latitude, longitude));
}
Assert.IsNotNull(resolvedReference[idx - 1]);
Assert.IsNotNull(resolved[idx - 1]);
//Assert.AreEqual(resolvedReference[idx - 1].Location.Latitude,
// resolved[idx - 1].Location.Latitude, 0.0001);
//Assert.AreEqual(resolvedReference[idx - 1].Location.Longitude,
// resolved[idx - 1].Location.Longitude, 0.0001);
}
//// check all the routes having the same weight(s).
//for (int fromIdx = 0; fromIdx < resolved.Length; fromIdx++)
//{
// for (int toIdx = 0; toIdx < resolved.Length; toIdx++)
// {
// OsmSharpRoute referenceRoute = referenceRouter.Calculate(Vehicle.Car,
// resolvedReference[fromIdx], resolvedReference[toIdx]);
// OsmSharpRoute route = router.Calculate(Vehicle.Car,
// resolved[fromIdx], resolved[toIdx]);
// if (route != null)
// {
// Assert.IsNotNull(referenceRoute);
// }
// else
// {
// Assert.IsNull(referenceRoute);
// }
// //Assert.AreEqual(referenceRoute.TotalDistance, route.TotalDistance, 0.1);
// // TODO: meta data is missing in some CH routing; see issue
// //Assert.AreEqual(reference_route.TotalTime, route.TotalTime, 0.0001);
// }
//}
}
