/// <summary>
/// Builds the data.
/// </summary>
/// <param name="interpreter"></param>
/// <param name="embeddedString"></param>
/// <returns></returns>
public override IRoutingAlgorithmData <CHEdgeData> BuildData(IOsmRoutingInterpreter interpreter,
string embeddedString)
{
string key = string.Format("CHEdgeDifference.Routing.IRoutingAlgorithmData<CHEdgeData>.OSM.{0}",
embeddedString);
var data = StaticDictionary.Get <IRoutingAlgorithmData <CHEdgeData> >(
key);
if (data == null)
{
var tagsIndex = new TagsIndex();
// do the data processing.
var memoryData = new RouterDataSource <CHEdgeData>(new DirectedGraph <CHEdgeData>(), tagsIndex);
var targetData = new CHEdgeGraphOsmStreamTarget(
memoryData, interpreter, tagsIndex, Vehicle.Car);
var dataProcessorSource = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream(embeddedString));
var sorter = new OsmStreamFilterSort();
sorter.RegisterSource(dataProcessorSource);
targetData.RegisterSource(sorter);
targetData.Pull();
data = memoryData;
StaticDictionary.Add <IRoutingAlgorithmData <CHEdgeData> >(key, data);
}
return(data);
}
/// <summary>
/// Tests preprocessing data from a PBF file.
/// </summary>
/// <param name="name"></param>
/// <param name="pbfFile"></param>
public static void TestPreprocessing(string name, string pbfFile)
{
FileInfo testFile = new FileInfo(string.Format(@".\TestFiles\{0}", pbfFile));
Stream stream = testFile.OpenRead();
var progress = new OsmStreamFilterProgress();
progress.RegisterSource(new PBFOsmStreamSource(stream));
var performanceInfo = new PerformanceInfoConsumer("PreProcessor", 20000);
performanceInfo.Start();
performanceInfo.Report("Pulling from {0}...", testFile.Name);
var tagsIndex = new TagsIndex(); // creates a tagged index.
// read from the OSM-stream.
var memoryData = new RouterDataSource <Edge>(new Graph <Edge>(), tagsIndex);
var targetData = new GraphOsmStreamTarget(memoryData, new OsmRoutingInterpreter(), tagsIndex);
targetData.RegisterSource(progress);
targetData.Pull();
stream.Dispose();
performanceInfo.Stop();
// make sure the router is still here after GC to note the memory difference.
OsmSharp.Logging.Log.TraceEvent("PreProcessor", Logging.TraceEventType.Information, memoryData.ToString());
memoryData = null;
GC.Collect();
}
/// <summary>
/// Returns a new router.
/// </summary>
/// <param name="interpreter"></param>
/// <param name="embeddedName"></param>
/// <returns></returns>
public override Router BuildRouter(IOsmRoutingInterpreter interpreter, string embeddedName)
{
if (_data == null)
{
_data = new Dictionary<string, RouterDataSource<CHEdgeData>>();
}
RouterDataSource<CHEdgeData> data = null;
if (!_data.TryGetValue(embeddedName, out data))
{
var tagsIndex = new TagsIndex();
// do the data processing.
data = new RouterDataSource<CHEdgeData>(new DirectedGraph<CHEdgeData>(), tagsIndex);
var targetData = new CHEdgeGraphOsmStreamTarget(
data, interpreter, tagsIndex, Vehicle.Car);
var dataProcessorSource = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream(string.Format(
"OsmSharp.Test.Unittests.{0}", embeddedName)));
var sorter = new OsmStreamFilterSort();
sorter.RegisterSource(dataProcessorSource);
targetData.RegisterSource(sorter);
targetData.Pull();
_data[embeddedName] = data;
}
return Router.CreateCHFrom(data, new CHRouter(), interpreter);
}
/// <summary>
/// Executes the CH contractions while verifying each step.
/// </summary>
/// <param name="stream"></param>
public void DoTestCHEdgeDifferenceVerifiedContraction(Stream stream)
{
_interpreter = new OsmRoutingInterpreter();
var tagsIndex = new TagsIndex();
// do the data processing.
_data = new RouterDataSource <CHEdgeData>(new DirectedGraph <CHEdgeData>(), tagsIndex);
var targetData = new CHEdgeGraphOsmStreamTarget(
_data, _interpreter, tagsIndex, Vehicle.Car);
var dataProcessorSource = new XmlOsmStreamSource(stream);
var sorter = new OsmStreamFilterSort();
sorter.RegisterSource(dataProcessorSource);
targetData.RegisterSource(sorter);
targetData.Pull();
// do the pre-processing part.
var witnessCalculator = new DykstraWitnessCalculator();
var preProcessor = new CHPreprocessor(_data,
new EdgeDifferenceContractedSearchSpace(_data, witnessCalculator), witnessCalculator);
preProcessor.OnBeforeContractionEvent +=
new CHPreprocessor.VertexDelegate(pre_processor_OnBeforeContractionEvent);
preProcessor.OnAfterContractionEvent +=
new CHPreprocessor.VertexDelegate(pre_processor_OnAfterContractionEvent);
preProcessor.Start();
}
/// <summary>
/// Tests routing from a serialized file.
/// </summary>
/// <param name="stream"></param>
public static void TestSerialized(Stream stream, bool lazy = true)
{
var routingSerializer = new RoutingDataSourceSerializer();
var data = routingSerializer.Deserialize(stream, lazy);
uint vertex = 1;
uint significantVertices = 0;
while (vertex < data.VertexCount)
{
var edges = data.GetEdges(vertex).ToKeyValuePairs();
if (edges.Length > 2)
{
significantVertices++;
}
vertex++;
}
data.SortHilbert(1000);
// copy.
var graphCopy = new Graph <Edge>();
graphCopy.CopyFrom(data);
var dataCopy = new RouterDataSource <Edge>(graphCopy, data.TagsIndex);
RoutingTest.Test(dataCopy, Vehicle.Pedestrian, 50);
}
public void RoutingRegressionTest1()
{
var interpreter = new OsmRoutingInterpreter();
var tagsIndex = new TagsIndex();
// do the data processing.
var memoryData = new RouterDataSource<Edge>(new Graph<Edge>(), tagsIndex);
var targetData = new GraphOsmStreamTarget(memoryData, interpreter, tagsIndex);
var dataProcessorSource = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream("OsmSharp.Routing.Test.data.test_routing_regression1.osm"));
var sorter = new OsmStreamFilterSort();
sorter.RegisterSource(dataProcessorSource);
targetData.RegisterSource(sorter);
targetData.Pull();
var basicRouter = new Dykstra();
var router = Router.CreateFrom(memoryData, basicRouter, interpreter);
// resolve the three points in question.
var point35 = new GeoCoordinate(51.01257, 4.000753);
var point35resolved = router.Resolve(Vehicle.Car, point35);
var point45 = new GeoCoordinate(51.01315, 3.999588);
var point45resolved = router.Resolve(Vehicle.Car, point45);
// route between 35 and 45.
var routebefore = router.Calculate(Vehicle.Car, point35resolved, point45resolved);
// route between 35 and 45.
var routeafter = router.Calculate(Vehicle.Car, point35resolved, point45resolved);
Assert.AreEqual(routebefore.TotalDistance, routeafter.TotalDistance);
}
/// <summary>
/// Returns a new router.
/// </summary>
/// <param name="interpreter"></param>
/// <param name="embeddedName"></param>
/// <returns></returns>
public override Router BuildRouter(IOsmRoutingInterpreter interpreter, string embeddedName)
{
if (_data == null)
{
_data = new Dictionary <string, RouterDataSource <CHEdgeData> >();
}
RouterDataSource <CHEdgeData> data = null;
if (!_data.TryGetValue(embeddedName, out data))
{
var tagsIndex = new TagsIndex();
// do the data processing.
data = new RouterDataSource <CHEdgeData>(new DirectedGraph <CHEdgeData>(), tagsIndex);
var targetData = new CHEdgeGraphOsmStreamTarget(
data, interpreter, tagsIndex, Vehicle.Car);
var dataProcessorSource = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream(string.Format(
"OsmSharp.Test.Unittests.{0}", embeddedName)));
var sorter = new OsmStreamFilterSort();
sorter.RegisterSource(dataProcessorSource);
targetData.RegisterSource(sorter);
targetData.Pull();
_data[embeddedName] = data;
}
return(Router.CreateCHFrom(data, new CHRouter(), interpreter));
}
public static Stream TestSerialization(string name, string pbfFile, RouterDataSource <CHEdgeData> data)
{
var testOutputFile = new FileInfo(@"test.routing");
testOutputFile.Delete();
var writeStream = testOutputFile.OpenWrite();
var performanceInfo = new PerformanceInfoConsumer("CHSerializer");
performanceInfo.Start();
performanceInfo.Report("Writing to {0}...", testOutputFile.Name);
TagsCollectionBase metaData = new TagsCollection();
metaData.Add("some_key", "some_value");
var routingSerializer = new CHEdgeSerializer();
routingSerializer.Serialize(writeStream, data, metaData);
writeStream.Dispose();
OsmSharp.Logging.Log.TraceEvent("CHSerializer", OsmSharp.Logging.TraceEventType.Information,
string.Format("Serialized file: {0}KB", testOutputFile.Length / 1024));
performanceInfo.Stop();
return(testOutputFile.OpenRead());
}
public void RoutingRegressionTest1()
{
var interpreter = new OsmRoutingInterpreter();
var tagsIndex = new TagsIndex();
// do the data processing.
var memoryData = new RouterDataSource <Edge>(new Graph <Edge>(), tagsIndex);
var targetData = new GraphOsmStreamTarget(memoryData, interpreter, tagsIndex);
var dataProcessorSource = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream("OsmSharp.Routing.Test.data.test_routing_regression1.osm"));
var sorter = new OsmStreamFilterSort();
sorter.RegisterSource(dataProcessorSource);
targetData.RegisterSource(sorter);
targetData.Pull();
var basicRouter = new Dykstra();
var router = Router.CreateFrom(memoryData, basicRouter, interpreter);
// resolve the three points in question.
var point35 = new GeoCoordinate(51.01257, 4.000753);
var point35resolved = router.Resolve(Vehicle.Car, point35);
var point45 = new GeoCoordinate(51.01315, 3.999588);
var point45resolved = router.Resolve(Vehicle.Car, point45);
// route between 35 and 45.
var routebefore = router.Calculate(Vehicle.Car, point35resolved, point45resolved);
// route between 35 and 45.
var routeafter = router.Calculate(Vehicle.Car, point35resolved, point45resolved);
Assert.AreEqual(routebefore.TotalDistance, routeafter.TotalDistance);
}
/// <summary>
/// Creates a router.
/// </summary>
/// <param name="interpreter"></param>
/// <param name="manifestResourceName"></param>
/// <returns></returns>
protected override Router CreateRouter(IOsmRoutingInterpreter interpreter, string manifestResourceName)
{
TagsIndex tagsIndex = new TagsIndex();
// do the data processing.
var data = new RouterDataSource <CHEdgeData>(new DirectedGraph <CHEdgeData>(), tagsIndex);
var targetData = new CHEdgeGraphOsmStreamTarget(
data, interpreter, tagsIndex, Vehicle.Car);
var dataProcessorSource = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream(manifestResourceName));
var sorter = new OsmStreamFilterSort();
sorter.RegisterSource(dataProcessorSource);
targetData.RegisterSource(sorter);
targetData.Pull();
// do the pre-processing part.
var witnessCalculator = new DykstraWitnessCalculator();
var preProcessor = new CHPreprocessor(data,
new EdgeDifferenceContractedSearchSpace(data, witnessCalculator), witnessCalculator);
preProcessor.Start();
return(Router.CreateCHFrom(data, new CHRouter(), interpreter));
}
/// <summary>
/// Serializes the given graph.
/// </summary>
/// <param name="stream"></param>
/// <param name="graph"></param>
/// <param name="metaTags"></param>
public void Serialize(Stream stream, RouterDataSource <TEdgeData> graph, TagsCollectionBase metaTags)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
if (graph == null)
{
throw new ArgumentNullException("graph");
}
// write the header.
this.WriteVersionHeader(stream);
// write the vehicles.
this.WriteVehicleProfiles(stream, graph.GetSupportedProfiles());
// write the meta-data.
this.WriteMeta(stream, metaTags);
// wrap the stream.
var routingSerializerStream = new LimitedStream(stream);
// do the version-specific serialization.
this.DoSerialize(routingSerializerStream, graph);
}
/// <summary>
/// Tests preprocessing data from a PBF file.
/// </summary>
/// <param name="name"></param>
/// <param name="pbfFile"></param>
public static void TestPreprocessing(string name, string pbfFile)
{
FileInfo testFile = new FileInfo(string.Format(@".\TestFiles\{0}", pbfFile));
Stream stream = testFile.OpenRead();
var progress = new OsmStreamFilterProgress();
progress.RegisterSource(new PBFOsmStreamSource(stream));
var performanceInfo = new PerformanceInfoConsumer("PreProcessor", 20000);
performanceInfo.Start();
performanceInfo.Report("Pulling from {0}...", testFile.Name);
var tagsIndex = new TagsIndex(); // creates a tagged index.
// read from the OSM-stream.
var memoryData = new RouterDataSource<Edge>(new Graph<Edge>(), tagsIndex);
var targetData = new GraphOsmStreamTarget(memoryData, new OsmRoutingInterpreter(), tagsIndex);
targetData.RegisterSource(progress);
targetData.Pull();
stream.Dispose();
performanceInfo.Stop();
// make sure the router is still here after GC to note the memory difference.
OsmSharp.Logging.Log.TraceEvent("PreProcessor", Logging.TraceEventType.Information, memoryData.ToString());
memoryData = null;
GC.Collect();
}
/// <summary>
/// Preprocesses the data from the given OsmStreamReader and converts it directly to a routable data source.
/// </summary>
/// <param name="source">The source stream.</param>
/// <param name="tagsIndex">The tags index.</param>
/// <param name="interpreter">The routing interpreter.</param>
/// <returns></returns>
public static RouterDataSource <Edge> Preprocess(OsmStreamSource source, ITagsIndex tagsIndex, IOsmRoutingInterpreter interpreter)
{
var routerDataSource =
new RouterDataSource <Edge>(new Graph <Edge>(), tagsIndex);
var targetData = new GraphOsmStreamTarget(routerDataSource, interpreter,
tagsIndex);
targetData.RegisterSource(source);
targetData.Pull();
return(routerDataSource);
}
/// <summary>
/// Preprocesses the data from the given OsmStreamReader and converts it directly to a routable data source.
/// </summary>
/// <param name="reader"></param>
/// <param name="tagsIndex"></param>
/// <param name="interpreter"></param>
/// <param name="vehicle"></param>
/// <returns></returns>
public static RouterDataSource <CHEdgeData> Preprocess(OsmStreamSource reader,
ITagsIndex tagsIndex, IOsmRoutingInterpreter interpreter, Vehicle vehicle)
{
// pull in the data.
var graph = new RouterDataSource <CHEdgeData>(new DirectedGraph <CHEdgeData>(), tagsIndex);
var targetData = new CHEdgeGraphOsmStreamTarget(
graph, interpreter, tagsIndex, vehicle);
targetData.RegisterSource(reader);
targetData.Pull();
return(graph);
}
public void RoutingRegressionTest9ResolvingReverse()
{
// build a graph to encode from.
var tags = new TagsIndex();
var graphDataSource = new RouterDataSource <Edge>(new Graph <Edge>(), tags);
var vertex1 = graphDataSource.AddVertex(51.05849821468899f, 3.7240000000000000f);
var vertex2 = graphDataSource.AddVertex(51.05849821468899f, 3.7254400000000000f);
var vertex3 = graphDataSource.AddVertex(51.05849821468899f, 3.7225627899169926f);
var edge = new Edge() // all edges are identical.
{
Distance = 100,
Forward = true,
Tags = tags.Add(new TagsCollection(
Tag.Create("highway", "tertiary"),
Tag.Create("oneway", "yes")))
};
graphDataSource.AddEdge(vertex1, vertex2, edge, null);
graphDataSource.AddEdge(vertex3, vertex1, edge, null);
// {RectF:[(3,71326552867889,51,048498214689),(3,73326552867889,51,068498214689)]}
var edges = graphDataSource.GetEdges(new GeoCoordinateBox(
new GeoCoordinate(51.068498214689, 3.73326552867889),
new GeoCoordinate(51.048498214689, 3.71326552867889)));
while (edges.MoveNext())
{
if (edges.Vertex1 == 1 &&
edges.Vertex2 == 2)
{
Assert.IsTrue(edges.EdgeData.Forward);
}
else if (edges.Vertex1 == 2 &&
edges.Vertex2 == 1)
{
Assert.IsFalse(edges.EdgeData.Forward);
}
if (edges.Vertex1 == 1 &&
edges.Vertex2 == 3)
{
Assert.IsFalse(edges.EdgeData.Forward);
}
else if (edges.Vertex1 == 3 &&
edges.Vertex2 == 1)
{
Assert.IsTrue(edges.EdgeData.Forward);
}
}
}
/// <summary>
/// Creates a router using interpreted edges.
/// </summary>
/// <param name="reader">The OSM-stream reader.</param>
/// <param name="interpreter">The routing interpreter.</param>
/// <returns></returns>
public static Router CreateFrom(OsmStreamSource reader, IOsmRoutingInterpreter interpreter)
{
var tagsIndex = new TagsIndex(); // creates a tagged index.
// read from the OSM-stream.
var memoryData = new RouterDataSource<Edge>(new Graph<Edge>(), tagsIndex);
var targetData = new GraphOsmStreamTarget(memoryData, interpreter, tagsIndex);
targetData.RegisterSource(reader);
targetData.Pull();
// creates the edge router.
var typedRouter = new TypedRouterEdge(
memoryData, interpreter, new Dykstra());
return new Router(typedRouter); // create the actual router.
}
/// <summary>
/// Creates a router using interpreted edges.
/// </summary>
/// <param name="reader">The OSM-stream reader.</param>
/// <param name="interpreter">The routing interpreter.</param>
/// <returns></returns>
public static Router CreateFrom(OsmStreamSource reader, IOsmRoutingInterpreter interpreter)
{
var tagsIndex = new TagsIndex(); // creates a tagged index.
// read from the OSM-stream.
var memoryData = new RouterDataSource <Edge>(new Graph <Edge>(), tagsIndex);
var targetData = new GraphOsmStreamTarget(memoryData, interpreter, tagsIndex);
targetData.RegisterSource(reader);
targetData.Pull();
// creates the edge router.
var typedRouter = new TypedRouterEdge(
memoryData, interpreter, new Dykstra());
return(new Router(typedRouter)); // create the actual router.
}
public static void TestResolved(RouterDataSource <CHEdgeData> data, int testCount, GeoCoordinateBox box)
{
var router = Router.CreateCHFrom(data, new CHRouter(), new OsmRoutingInterpreter());
var performanceInfo = new PerformanceInfoConsumer("CHRouting");
performanceInfo.Start();
performanceInfo.Report("Routing {0} routes...", testCount);
var successCount = 0;
var totalCount = testCount;
var latestProgress = -1.0f;
while (testCount > 0)
{
var from = box.GenerateRandomIn();
var to = box.GenerateRandomIn();
var fromPoint = router.Resolve(Vehicle.Car, from);
var toPoint = router.Resolve(Vehicle.Car, to);
if (fromPoint != null && toPoint != null)
{
var route = router.Calculate(Vehicle.Car, fromPoint, toPoint);
if (route != null)
{
successCount++;
}
}
testCount--;
// report progress.
var progress = (float)System.Math.Round(((double)(totalCount - testCount) / (double)totalCount) * 100);
if (progress != latestProgress)
{
OsmSharp.Logging.Log.TraceEvent("CHRouting", TraceEventType.Information,
"Routing... {0}%", progress);
latestProgress = progress;
}
}
performanceInfo.Stop();
OsmSharp.Logging.Log.TraceEvent("CHRouting", OsmSharp.Logging.TraceEventType.Information,
string.Format("{0}/{1} routes successfull!", successCount, totalCount));
}
/// <summary>
/// Returns a new router.
/// </summary>
/// <returns></returns>
public override Router BuildRouter(IOsmRoutingInterpreter interpreter, string embeddedName)
{
var tagsIndex = new TagsIndex();
// do the data processing.
var data = new RouterDataSource<Edge>(new Graph<Edge>(), tagsIndex);
var targetData = new GraphOsmStreamTarget(
data, interpreter, tagsIndex, new Vehicle[] { Vehicle.Car }, false);
var dataProcessorSource = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream(string.Format(
"OsmSharp.Routing.Test.data.{0}", embeddedName)));
var sorter = new OsmStreamFilterSort();
sorter.RegisterSource(dataProcessorSource);
targetData.RegisterSource(sorter);
targetData.Pull();
return Router.CreateFrom(data, new Dykstra(), interpreter);
}
/// <summary>
/// Builds data source.
/// </summary>
/// <param name="interpreter"></param>
/// <param name="embeddedString"></param>
/// <returns></returns>
public override IRoutingAlgorithmData <Edge> BuildData(IOsmRoutingInterpreter interpreter,
string embeddedString)
{
var tagsIndex = new TagsIndex();
// do the data processing.
var memoryData = new RouterDataSource <Edge>(new Graph <Edge>(), tagsIndex);
var targetData = new GraphOsmStreamTarget(memoryData, interpreter, tagsIndex, null, false);
var dataProcessorSource = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream(embeddedString));
var sorter = new OsmStreamFilterSort();
sorter.RegisterSource(dataProcessorSource);
targetData.RegisterSource(sorter);
targetData.Pull();
return(memoryData);
}
public void TestGraphSerialize3()
{
const string embeddedString = "OsmSharp.Test.Unittests.test_network_real1.osm";
// creates a new interpreter.
var interpreter = new OsmRoutingInterpreter();
// do the data processing.
var graph = GraphOsmStreamTarget.Preprocess(new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream(embeddedString)),
new TagsIndex(new MemoryMappedStream(new MemoryStream())), interpreter);
// serialize.
using (var stream = new MemoryStream())
{
graph.Serialize(stream, Edge.SizeUints, Edge.MapFromDelegate, Edge.MapToDelegate);
// deserialize.
stream.Seek(0, SeekOrigin.Begin);
var graphDeserialized = RouterDataSource <Edge> .Deserialize(stream, Edge.SizeUints, Edge.MapFromDelegate, Edge.MapToDelegate, false);
// compare.
Assert.AreEqual(graph.VertexCount, graphDeserialized.VertexCount);
for (uint vertex = 1; vertex <= graph.VertexCount; vertex++)
{
float latitude1, longitude1, latitude2, longitude2;
if (graph.GetVertex(vertex, out latitude1, out longitude1) &&
graphDeserialized.GetVertex(vertex, out latitude2, out longitude2))
{
Assert.AreEqual(latitude1, latitude2, 0.000001);
Assert.AreEqual(longitude1, longitude2, 0.000001);
}
var edges = graph.GetEdges(vertex).ToKeyValuePairs();
var edgesDeserialized = graphDeserialized.GetEdges(vertex).ToKeyValuePairs();
Assert.AreEqual(edges.Length, edgesDeserialized.Length);
for (int idx = 0; idx < edges.Length; idx++)
{
Assert.AreEqual(edges[idx].Value.Distance, edgesDeserialized[idx].Value.Distance);
Assert.AreEqual(edges[idx].Value.Tags, edgesDeserialized[idx].Value.Tags);
Assert.AreEqual(edges[idx].Value.Forward, edgesDeserialized[idx].Value.Forward);
}
}
}
}
/// <summary>
/// Creates a router.
/// </summary>
/// <param name="interpreter"></param>
/// <param name="manifestResourceName"></param>
/// <returns></returns>
protected override Router CreateRouter(IOsmRoutingInterpreter interpreter, string manifestResourceName)
{
TagsIndex tagsIndex = new TagsIndex();
// do the data processing.
var memoryData =
new RouterDataSource<Edge>(new Graph<Edge>(), tagsIndex);
var targetData = new GraphOsmStreamTarget(
memoryData, interpreter, tagsIndex, null, false);
var dataProcessorSource = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream(manifestResourceName));
var sorter = new OsmStreamFilterSort();
sorter.RegisterSource(dataProcessorSource);
targetData.RegisterSource(sorter);
targetData.Pull();
IRoutingAlgorithm<Edge> basicRouter = new Dykstra();
return Router.CreateFrom(memoryData, basicRouter, interpreter);
}
/// <summary>
/// Returns a new router.
/// </summary>
/// <returns></returns>
public override Router BuildRouter(IOsmRoutingInterpreter interpreter, string embeddedName)
{
var tagsIndex = new TagsIndex();
// do the data processing.
var data = new RouterDataSource <Edge>(new Graph <Edge>(), tagsIndex);
var targetData = new GraphOsmStreamTarget(
data, interpreter, tagsIndex, new Vehicle[] { Vehicle.Car }, false);
var dataProcessorSource = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream(string.Format(
"OsmSharp.Routing.Test.data.{0}", embeddedName)));
var sorter = new OsmStreamFilterSort();
sorter.RegisterSource(dataProcessorSource);
targetData.RegisterSource(sorter);
targetData.Pull();
return(Router.CreateFrom(data, new Dykstra(), interpreter));
}
/// <summary>
/// Deserializes the given stream into a routable graph.
/// </summary>
/// <param name="stream"></param>
/// <param name="lazy"></param>
/// <param name="vehicles"></param>
/// <returns></returns>
protected override RouterDataSource <CHEdgeData> DoDeserialize(LimitedStream stream, bool lazy, IEnumerable <string> vehicles)
{
var routerDataSource = RouterDataSource <CHEdgeData> .Deserialize(stream, CHEdgeData.SizeUints, CHEdgeData.MapFromDelegate, CHEdgeData.MapToDelegate, !lazy);
if (vehicles != null)
{
foreach (var vehicleName in vehicles)
{
Vehicle vehicle;
if (!Vehicle.TryGetByUniqueName(vehicleName, out vehicle))
{
OsmSharp.Logging.Log.TraceEvent("CHEdgeSerializer", Logging.TraceEventType.Information,
string.Format("Vehicle profile {0} not found during serialization. It won't be supported by the router.", vehicleName));
}
routerDataSource.AddSupportedProfile(vehicle);
}
}
return(routerDataSource);
}
/// <summary>
/// Builds a raw router to compare against.
/// </summary>
/// <returns></returns>
public void BuildDykstraRouter(string embeddedName,
IOsmRoutingInterpreter interpreter)
{
var tagsIndex = new TagsIndex();
// do the data processing.
var data = new RouterDataSource <Edge>(new Graph <Edge>(), tagsIndex);
var targetData = new GraphOsmStreamTarget(
data, interpreter, tagsIndex, new Vehicle[] { Vehicle.Car });
var dataProcessorSource = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream(embeddedName));
var sorter = new OsmStreamFilterSort();
sorter.RegisterSource(dataProcessorSource);
targetData.RegisterSource(sorter);
targetData.Pull();
// initialize the router.
_referenceRouter = Router.CreateFrom(data, new Dykstra(), interpreter);
}
/// <summary>
/// Tests routing from a serialized routing file.
/// </summary>
/// <param name="name"></param>
/// <param name="stream"></param>
/// <param name="testCount"></param>
public static void Test(string name, Stream stream, int testCount)
{
var vehicle = Vehicle.Pedestrian;
var tagsIndex = new TagsIndex(); // creates a tagged index.
// read from the OSM-stream.
var reader = new OsmSharp.Osm.PBF.Streams.PBFOsmStreamSource(stream);
var interpreter = new OsmRoutingInterpreter();
var data = new RouterDataSource <Edge>(new Graph <Edge>(), tagsIndex);
data.DropVertexIndex();
var targetData = new GraphOsmStreamTarget(data, interpreter, tagsIndex);
targetData.RegisterSource(reader);
targetData.Pull();
data.RebuildVertexIndex();
RoutingTest.Test(data, vehicle, testCount);
}
/// <summary>
/// Builds a raw data source.
/// </summary>
/// <returns></returns>
public RouterDataSource <Edge> BuildDykstraDataSource(
IOsmRoutingInterpreter interpreter, string embeddedName)
{
var tagsIndex = new TagsIndex();
// do the data processing.
var data = new RouterDataSource <Edge>(new Graph <Edge>(), tagsIndex);
var targetData = new ReferenceGraphTarget(
data, interpreter, tagsIndex, new Vehicle[] { Vehicle.Car });
var dataProcessorSource = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream(string.Format(
"OsmSharp.Test.Unittests.{0}", embeddedName)));
var sorter = new OsmStreamFilterSort();
sorter.RegisterSource(dataProcessorSource);
targetData.RegisterSource(sorter);
targetData.Pull();
return(data);
}
/// <summary>
/// Creates a router based on the resource.
/// </summary>
/// <param name="interpreter"></param>
/// <param name="manifestResourceName"></param>
/// <returns></returns>
protected Router CreateReferenceRouter(IOsmRoutingInterpreter interpreter, string manifestResourceName)
{
TagsIndex tagsIndex = new TagsIndex();
// do the data processing.
var memoryData =
new RouterDataSource <Edge>(new Graph <Edge>(), tagsIndex);
var targetData = new GraphOsmStreamTarget(
memoryData, interpreter, tagsIndex, null, false);
var dataProcessorSource = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream(manifestResourceName));
var sorter = new OsmStreamFilterSort();
sorter.RegisterSource(dataProcessorSource);
targetData.RegisterSource(sorter);
targetData.Pull();
IRoutingAlgorithm <Edge> basicRouter = new Dykstra();
return(Router.CreateFrom(memoryData, basicRouter, interpreter));
}
/// <summary>
/// Tests routing from a serialized routing file.
/// </summary>
/// <param name="data"></param>
/// <param name="testCount"></param>
public static void Test(RouterDataSource <CHEdgeData> data, int testCount)
{
var router = new CHRouter();
var performanceInfo = new PerformanceInfoConsumer("CHRouting");
performanceInfo.Start();
performanceInfo.Report("Routing {0} routes...", testCount);
var successCount = 0;
var totalCount = testCount;
var latestProgress = -1.0f;
while (testCount > 0)
{
var from = (uint)OsmSharp.Math.Random.StaticRandomGenerator.Get().Generate(data.VertexCount - 1) + 1;
var to = (uint)OsmSharp.Math.Random.StaticRandomGenerator.Get().Generate(data.VertexCount - 1) + 1;
var route = router.Calculate(data, from, to);
if (route != null)
{
successCount++;
}
testCount--;
// report progress.
var progress = (float)System.Math.Round(((double)(totalCount - testCount) / (double)totalCount) * 100);
if (progress != latestProgress)
{
OsmSharp.Logging.Log.TraceEvent("CHRouting", TraceEventType.Information,
"Routing... {0}%", progress);
latestProgress = progress;
}
}
performanceInfo.Stop();
OsmSharp.Logging.Log.TraceEvent("CHRouting", OsmSharp.Logging.TraceEventType.Information,
string.Format("{0}/{1} routes successfull!", successCount, totalCount));
}
/// <summary>
/// Tests routing from a serialized routing file.
/// </summary>
/// <param name="data"></param>
/// <param name="testCount"></param>
public static void Test(RouterDataSource<CHEdgeData> data, int testCount)
{
var router = new CHRouter();
var performanceInfo = new PerformanceInfoConsumer("CHRouting");
performanceInfo.Start();
performanceInfo.Report("Routing {0} routes...", testCount);
var successCount = 0;
var totalCount = testCount;
var latestProgress = -1.0f;
while (testCount > 0)
{
var from = (uint)OsmSharp.Math.Random.StaticRandomGenerator.Get().Generate(data.VertexCount - 1) + 1;
var to = (uint)OsmSharp.Math.Random.StaticRandomGenerator.Get().Generate(data.VertexCount - 1) + 1;
var route = router.Calculate(data, from, to);
if (route != null)
{
successCount++;
}
testCount--;
// report progress.
var progress = (float)System.Math.Round(((double)(totalCount - testCount) / (double)totalCount) * 100);
if (progress != latestProgress)
{
OsmSharp.Logging.Log.TraceEvent("CHRouting", TraceEventType.Information,
"Routing... {0}%", progress);
latestProgress = progress;
}
}
performanceInfo.Stop();
OsmSharp.Logging.Log.TraceEvent("CHRouting", OsmSharp.Logging.TraceEventType.Information,
string.Format("{0}/{1} routes successfull!", successCount, totalCount));
}
/// <summary>
/// Creates a router.
/// </summary>
/// <param name="interpreter"></param>
/// <param name="manifestResourceName"></param>
/// <returns></returns>
protected override Router CreateRouter(IOsmRoutingInterpreter interpreter, string manifestResourceName)
{
TagsIndex tagsIndex = new TagsIndex();
// do the data processing.
var data = new RouterDataSource<CHEdgeData>(new DirectedGraph<CHEdgeData>(), tagsIndex);
var targetData = new CHEdgeGraphOsmStreamTarget(
data, interpreter, tagsIndex, Vehicle.Car);
var dataProcessorSource = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream(manifestResourceName));
var sorter = new OsmStreamFilterSort();
sorter.RegisterSource(dataProcessorSource);
targetData.RegisterSource(sorter);
targetData.Pull();
// do the pre-processing part.
var witnessCalculator = new DykstraWitnessCalculator();
var preProcessor = new CHPreprocessor(data,
new EdgeDifferenceContractedSearchSpace(data, witnessCalculator), witnessCalculator);
preProcessor.Start();
return Router.CreateCHFrom(data, new CHRouter(), interpreter);
}
/// <summary>
/// Tests routing from a serialized routing file.
/// </summary>
/// <param name="data"></param>
/// <param name="box"></param>
/// <param name="testCount"></param>
public static void TestSerializedResolved(RouterDataSource <CHEdgeData> data,
GeoCoordinateBox box, int testCount = 100)
{
var successCount = 0;
var totalCount = testCount;
var router = Router.CreateCHFrom(data, new CHRouter(), new OsmRoutingInterpreter());
var performanceInfo = new PerformanceInfoConsumer("CHRouting");
performanceInfo.Start();
performanceInfo.Report("Routing {0} routes...", testCount);
while (testCount > 0)
{
var point1 = router.Resolve(Vehicle.Car, box.GenerateRandomIn());
var point2 = router.Resolve(Vehicle.Car, box.GenerateRandomIn());
Route route = null;
if (point1 != null && point2 != null)
{
route = router.Calculate(Vehicle.Car, point1, point2);
}
if (route != null)
{
successCount++;
}
testCount--;
}
performanceInfo.Stop();
OsmSharp.Logging.Log.TraceEvent("CHRouting", OsmSharp.Logging.TraceEventType.Information,
string.Format("{0}/{1} routes successfull!", successCount, totalCount));
}
public static Stream TestSerialization(string name, string pbfFile, RouterDataSource<CHEdgeData> data)
{
var testOutputFile = new FileInfo(@"test.routing");
testOutputFile.Delete();
var writeStream = testOutputFile.OpenWrite();
var performanceInfo = new PerformanceInfoConsumer("CHSerializer");
performanceInfo.Start();
performanceInfo.Report("Writing to {0}...", testOutputFile.Name);
TagsCollectionBase metaData = new TagsCollection();
metaData.Add("some_key", "some_value");
var routingSerializer = new CHEdgeSerializer();
routingSerializer.Serialize(writeStream, data, metaData);
writeStream.Dispose();
OsmSharp.Logging.Log.TraceEvent("CHSerializer", OsmSharp.Logging.TraceEventType.Information,
string.Format("Serialized file: {0}KB", testOutputFile.Length / 1024));
performanceInfo.Stop();
return testOutputFile.OpenRead();
}
public void RoutingRegressionTest4()
{
var interpreter = new OsmRoutingInterpreter();
var tagsIndex = new TagsIndex();
// do the data processing.
var memoryData = new RouterDataSource <Edge>(new Graph <Edge>(), tagsIndex);
var targetData = new GraphOsmStreamTarget(memoryData, interpreter, tagsIndex);
var dataProcessorSource = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream("OsmSharp.Routing.Test.data.test_routing_regression1.osm"));
var sorter = new OsmStreamFilterSort();
sorter.RegisterSource(dataProcessorSource);
targetData.RegisterSource(sorter);
targetData.Pull();
var basicRouter = new Dykstra();
var router = Router.CreateFrom(memoryData, basicRouter, interpreter);
// resolve the three points in question.
var point35 = new GeoCoordinate(51.01257, 4.000753);
var point35ResolvedCar = router.Resolve(Vehicle.Car, point35);
var point35ResolvedBicycle = router.Resolve(Vehicle.Bicycle, point35);
}
/// <summary>
/// Serializes the given graph.
/// </summary>
/// <param name="stream"></param>
/// <param name="graph"></param>
/// <param name="metaTags"></param>
public void Serialize(Stream stream, RouterDataSource <TEdgeData> graph)
{
this.Serialize(stream, graph, new TagsCollection());
}
/// <summary>
/// Tests routing from a serialized file.
/// </summary>
/// <param name="stream"></param>
public static void TestSerialized(Stream stream, bool lazy = true)
{
var routingSerializer = new RoutingDataSourceSerializer();
var data = routingSerializer.Deserialize(stream, lazy);
uint vertex = 1;
uint significantVertices = 0;
while(vertex < data.VertexCount)
{
var edges = data.GetEdges(vertex).ToKeyValuePairs();
if(edges.Length > 2)
{
significantVertices++;
}
vertex++;
}
data.SortHilbert(1000);
// copy.
var graphCopy = new Graph<Edge>();
graphCopy.CopyFrom(data);
var dataCopy = new RouterDataSource<Edge>(graphCopy, data.TagsIndex);
RoutingTest.Test(dataCopy, Vehicle.Pedestrian, 50);
}
public void RoutingSerializationRoutingTest()
{
const string embeddedString = "OsmSharp.Test.Unittests.test_network.osm";
// create the tags index (and make sure it's serializable).
var tagsIndex = new TagsIndex(new MemoryMappedStream(new MemoryStream()));
// creates a new interpreter.
var interpreter = new OsmRoutingInterpreter();
// do the data processing.
var original =
new RouterDataSource <Edge>(new Graph <Edge>(), tagsIndex);
var targetData = new GraphOsmStreamTarget(
original, interpreter, tagsIndex, null, false);
var dataProcessorSource = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream(embeddedString));
targetData.RegisterSource(dataProcessorSource);
targetData.Pull();
// create serializer.
var routingSerializer = new RoutingDataSourceSerializer();
// serialize/deserialize.
TagsCollectionBase metaData = new TagsCollection();
metaData.Add("some_key", "some_value");
byte[] byteArray;
using (var stream = new MemoryStream())
{
try
{
routingSerializer.Serialize(stream, original, metaData);
byteArray = stream.ToArray();
}
catch (Exception)
{
if (Debugger.IsAttached)
{
Debugger.Break();
}
throw;
}
}
var deserializedVersion = routingSerializer.Deserialize(new MemoryStream(byteArray), out metaData);
Assert.AreEqual(original.TagsIndex.Get(0), deserializedVersion.TagsIndex.Get(0));
// try to do some routing on the deserialized version.
var basicRouter = new Dykstra();
var router = Router.CreateFrom(deserializedVersion, basicRouter, interpreter);
var source = router.Resolve(Vehicle.Car,
new GeoCoordinate(51.0578532, 3.7192229));
var target = router.Resolve(Vehicle.Car,
new GeoCoordinate(51.0576193, 3.7191801));
// calculate the route.
var route = router.Calculate(Vehicle.Car, source, target);
Assert.IsNotNull(route);
Assert.AreEqual(5, route.Segments.Length);
float latitude, longitude;
//deserializedVersion.GetVertex(20, out latitude, out longitude);
Assert.AreEqual(51.0578537, route.Segments[0].Latitude, 0.00001);
Assert.AreEqual(3.71922255, route.Segments[0].Longitude, 0.00001);
Assert.AreEqual(RouteSegmentType.Start, route.Segments[0].Type);
//deserializedVersion.GetVertex(21, out latitude, out longitude);
Assert.AreEqual(51.0578537, route.Segments[1].Latitude, 0.00001);
Assert.AreEqual(3.71956515, route.Segments[1].Longitude, 0.00001);
Assert.AreEqual(RouteSegmentType.Along, route.Segments[1].Type);
//deserializedVersion.GetVertex(16, out latitude, out longitude);
Assert.AreEqual(51.05773, route.Segments[2].Latitude, 0.00001);
Assert.AreEqual(3.719745, route.Segments[2].Longitude, 0.00001);
Assert.AreEqual(RouteSegmentType.Along, route.Segments[2].Type);
//deserializedVersion.GetVertex(22, out latitude, out longitude);
Assert.AreEqual(51.05762, route.Segments[3].Latitude, 0.00001);
Assert.AreEqual(3.71965766, route.Segments[3].Longitude, 0.00001);
Assert.AreEqual(RouteSegmentType.Along, route.Segments[3].Type);
deserializedVersion.GetVertex(23, out latitude, out longitude);
Assert.AreEqual(51.05762, route.Segments[4].Latitude, 0.00001);
Assert.AreEqual(3.71917963, route.Segments[4].Longitude, 0.00001);
Assert.AreEqual(RouteSegmentType.Stop, route.Segments[4].Type);
}
/// <summary>
/// Tests routing from a serialized routing file.
/// </summary>
/// <param name="name"></param>
/// <param name="stream"></param>
/// <param name="testCount"></param>
public static void Test(string name, Stream stream, int testCount)
{
var vehicle = Vehicle.Pedestrian;
var tagsIndex = new TagsIndex(); // creates a tagged index.
// read from the OSM-stream.
var reader = new OsmSharp.Osm.PBF.Streams.PBFOsmStreamSource(stream);
var interpreter = new OsmRoutingInterpreter();
var data = new RouterDataSource<Edge>(new Graph<Edge>(), tagsIndex);
data.DropVertexIndex();
var targetData = new GraphOsmStreamTarget(data, interpreter, tagsIndex);
targetData.RegisterSource(reader);
targetData.Pull();
data.RebuildVertexIndex();
RoutingTest.Test(data, vehicle, testCount);
}
/// <summary>
/// Builds a raw router to compare against.
/// </summary>
/// <returns></returns>
public void BuildDykstraRouter(string embeddedName,
IOsmRoutingInterpreter interpreter)
{
var tagsIndex = new TagsIndex();
// do the data processing.
var data = new RouterDataSource<Edge>(new Graph<Edge>(), tagsIndex);
var targetData = new GraphOsmStreamTarget(
data, interpreter, tagsIndex, new Vehicle[] { Vehicle.Car });
var dataProcessorSource = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream(embeddedName));
var sorter = new OsmStreamFilterSort();
sorter.RegisterSource(dataProcessorSource);
targetData.RegisterSource(sorter);
targetData.Pull();
// initialize the router.
_referenceRouter = Router.CreateFrom(data, new Dykstra(), interpreter);
}
/// <summary>
/// Called after all data has been read.
/// </summary>
public override void OnAfterPull()
{
base.OnAfterPull();
RouterDataSource<CHEdgeData> copy = null;
if(_memoryMappedStream == null)
{
copy = new RouterDataSource<CHEdgeData>(new DirectedGraph<CHEdgeData>(),
(this.Graph as RouterDataSource<CHEdgeData>).TagsIndex);
}
else
{
copy = new RouterDataSource<CHEdgeData>(new DirectedGraph<CHEdgeData>(_memoryMappedStream, this.Graph.VertexCount,
CHEdgeData.MapFromDelegate, CHEdgeData.MapToDelegate, CHEdgeData.SizeUints),
(this.Graph as RouterDataSource<CHEdgeData>).TagsIndex);
}
copy.CopyFrom(this.Graph);
copy.Trim();
copy.Compress();
var serializer = new CHEdgeSerializer();
serializer.Serialize(_stream, copy as RouterDataSource<CHEdgeData>, new TagsCollection());
_stream.Flush();
}
/// <summary>
/// Tests the edge matcher in combination with dykstra routing.
/// </summary>
/// <param name="name"></param>
/// <param name="highway"></param>
/// <param name="vehicle"></param>
/// <param name="matcher"></param>
/// <param name="pointName"></param>
/// <param name="notFound"></param>
private void TestResolveOnEdgeSingle(string name, string highway,
Vehicle vehicle, IEdgeMatcher matcher,
string pointName, bool notFound)
{
var fromName = new GeoCoordinate(51.0003, 4.0007);
var toName = new GeoCoordinate(51.0003, 4.0008);
var fromNoname = new GeoCoordinate(51.0, 4.0007);
var toNoname = new GeoCoordinate(51.0, 4.0008);
TagsCollectionBase pointTags = new TagsCollection();
pointTags["name"] = pointName;
TagsCollectionBase tags = new TagsCollection();
tags["highway"] = highway;
//tags["name"] = name;
var tagsIndex = new TagsIndex();
// do the data processing.
var data = new RouterDataSource <Edge>(new Graph <Edge>(), tagsIndex);
uint vertexNoname1 = data.AddVertex((float)fromNoname.Latitude, (float)fromNoname.Longitude);
uint vertexNoname2 = data.AddVertex((float)toNoname.Latitude, (float)toNoname.Longitude);
data.AddEdge(vertexNoname1, vertexNoname2, new Edge()
{
Forward = true,
Tags = tagsIndex.Add(tags)
}, null);
tags = new TagsCollection();
tags["highway"] = highway;
tags["name"] = name;
uint vertexName1 = data.AddVertex((float)fromName.Latitude, (float)fromName.Longitude);
uint vertexName2 = data.AddVertex((float)toName.Latitude, (float)toName.Longitude);
data.AddEdge(vertexName1, vertexName2, new Edge()
{
Forward = true,
Tags = tagsIndex.Add(tags)
}, null);
IRoutingInterpreter interpreter = new OsmRoutingInterpreter();
// creates the data.
IRoutingAlgorithm <Edge> router = new Dykstra();
var nonameLocation = new GeoCoordinate(
(fromNoname.Latitude + toNoname.Latitude) / 2.0,
(fromNoname.Longitude + toNoname.Longitude) / 2.0);
// var nameLocation = new GeoCoordinate(
// (fromName.Latitude + toName.Latitude) / 2.0,
// (fromName.Longitude + toName.Longitude) / 2.0);
const float delta = 0.01f;
var result = router.SearchClosest(data, interpreter, vehicle, nonameLocation, delta, matcher, pointTags, null);
if (result.Distance < double.MaxValue)
{ // there is a result.
Assert.IsFalse(notFound, "A result was found but was supposed not to be found!");
if (name == pointName)
{ // the name location was supposed to be found!
Assert.IsTrue(result.Vertex1 == vertexName1 || result.Vertex1 == vertexName2);
Assert.IsTrue(result.Vertex2 == vertexName1 || result.Vertex2 == vertexName2);
}
else
{ // the noname location was supposed to be found!
Assert.IsTrue(result.Vertex1 == vertexNoname1 || result.Vertex1 == vertexNoname2);
Assert.IsTrue(result.Vertex2 == vertexNoname1 || result.Vertex2 == vertexNoname2);
}
return;
}
Assert.IsTrue(notFound, "A result was not found but was supposed to be found!");
}
/// <summary>
/// Tests preprocessing data from a PBF file.
/// </summary>
/// <param name="name"></param>
/// <param name="pbfFile"></param>
public static void TestSerialization(string name, string pbfFile)
{
var testFile = new FileInfo(string.Format(@".\TestFiles\{0}", pbfFile));
var performanceInfo = new PerformanceInfoConsumer("SerializerFlatFile.Serialize", 2000);
performanceInfo.Start();
performanceInfo.Report("Pulling from {0}...", testFile.Name);
var stream = testFile.OpenRead();
var source = new PBFOsmStreamSource(stream);
var progress = new OsmStreamFilterProgress();
progress.RegisterSource(source);
var testOutputFile = new FileInfo(@"test.routing");
testOutputFile.Delete();
var writeStream = testOutputFile.Open(FileMode.OpenOrCreate, FileAccess.ReadWrite);
var tagsIndex = new TagsIndex();
var interpreter = new OsmRoutingInterpreter();
var graph = new RouterDataSource<Edge>(new Graph<Edge>(), tagsIndex);
var routingSerializer = new RoutingDataSourceSerializer();
var memoryMappedGraph = new Graph<Edge>(1024);
var coordinates = new HugeCoordinateIndex(1024);
var memoryData = new RouterDataSource<Edge>(memoryMappedGraph, tagsIndex);
var targetData = new GraphOsmStreamTarget(memoryData, new OsmRoutingInterpreter(), tagsIndex, coordinates);
targetData.RegisterSource(progress);
targetData.Pull();
performanceInfo.Stop();
memoryData.Compress();
performanceInfo = new PerformanceInfoConsumer("SerializerFlatFile.Serialize", 100000);
performanceInfo.Start();
performanceInfo.Report("Writing file for {0}...", testFile.Name);
var metaData = new TagsCollection();
metaData.Add("some_key", "some_value");
routingSerializer.Serialize(writeStream, memoryData, metaData);
stream.Dispose();
writeStream.Dispose();
OsmSharp.Logging.Log.TraceEvent("SerializerFlatFile", OsmSharp.Logging.TraceEventType.Information,
string.Format("Serialized file: {0}KB", testOutputFile.Length / 1024));
performanceInfo.Stop();
////performanceInfo = new PerformanceInfoConsumer("SerializerFlatFile.Serialize", 100000);
////performanceInfo.Start();
////performanceInfo.Report("Reading file for {0}...", testFile.Name);
//var testInputFile = new FileInfo(@"test.routing");
//var readStream = testInputFile.OpenRead();
//RoutingTest.TestSerialized(readStream);
////var deserializedGraph = routingSerializer.Deserialize(readStream, false);
////readStream.Dispose();
////OsmSharp.Logging.Log.TraceEvent("SerializerFlatFile", OsmSharp.Logging.TraceEventType.Information,
//// string.Format("Read: {0}KB", testInputFile.Length / 1024));
////OsmSharp.Logging.Log.TraceEvent("SerializerFlatFile", Logging.TraceEventType.Information, deserializedGraph.ToInvariantString());
////performanceInfo.Stop();
}
/// <summary>
/// Executes the CH contractions while verifying each step.
/// </summary>
/// <param name="stream"></param>
public void DoTestCHSparseVerifiedContraction(Stream stream)
{
_pathsBeforeContraction = new Dictionary<uint, Dictionary<uint, Dictionary<uint, PathSegment<long>>>>();
_interpreter = new OsmRoutingInterpreter();
var tagsIndex = new TagsIndex();
// do the data processing.
_data = new RouterDataSource<CHEdgeData>(new DirectedGraph<CHEdgeData>(), tagsIndex);
var targetData = new CHEdgeGraphOsmStreamTarget(
_data, _interpreter, tagsIndex, Vehicle.Car);
var dataProcessorSource = new XmlOsmStreamSource(stream);
var sorter = new OsmStreamFilterSort();
sorter.RegisterSource(dataProcessorSource);
targetData.RegisterSource(sorter);
targetData.Pull();
//// do the pre-processing part.
//var witnessCalculator = new DykstraWitnessCalculator();
//var preProcessor = new CHPreProcessor(_data,
// new EdgeDifferenceContractedSearchSpace(_data, witnessCalculator), witnessCalculator);
//preProcessor.OnBeforeContractionEvent += new CHPreProcessor.VertexDelegate(pre_processor_OnBeforeContractionEvent);
//preProcessor.OnAfterContractionEvent += new CHPreProcessor.VertexDelegate(pre_processor_OnAfterContractionEvent);
//preProcessor.Start();
}
/// <summary>
/// Tests the edge matcher in combination with dykstra routing.
/// </summary>
/// <param name="name"></param>
/// <param name="highway"></param>
/// <param name="vehicle"></param>
/// <param name="matcher"></param>
/// <param name="pointName"></param>
/// <param name="notFound"></param>
private void TestResolveOnEdgeSingle(string name, string highway,
Vehicle vehicle, IEdgeMatcher matcher,
string pointName, bool notFound)
{
var fromName = new GeoCoordinate(51.0003, 4.0007);
var toName = new GeoCoordinate(51.0003, 4.0008);
var fromNoname = new GeoCoordinate(51.0, 4.0007);
var toNoname = new GeoCoordinate(51.0, 4.0008);
TagsCollectionBase pointTags = new TagsCollection();
pointTags["name"] = pointName;
TagsCollectionBase tags = new TagsCollection();
tags["highway"] = highway;
//tags["name"] = name;
var tagsIndex = new TagsIndex();
// do the data processing.
var data = new RouterDataSource<Edge>(new Graph<Edge>(), tagsIndex);
uint vertexNoname1 = data.AddVertex((float)fromNoname.Latitude, (float)fromNoname.Longitude);
uint vertexNoname2 = data.AddVertex((float)toNoname.Latitude, (float)toNoname.Longitude);
data.AddEdge(vertexNoname1, vertexNoname2, new Edge()
{
Forward = true,
Tags = tagsIndex.Add(tags)
}, null);
tags = new TagsCollection();
tags["highway"] = highway;
tags["name"] = name;
uint vertexName1 = data.AddVertex((float)fromName.Latitude, (float)fromName.Longitude);
uint vertexName2 = data.AddVertex((float)toName.Latitude, (float)toName.Longitude);
data.AddEdge(vertexName1, vertexName2, new Edge()
{
Forward = true,
Tags = tagsIndex.Add(tags)
}, null);
IRoutingInterpreter interpreter = new OsmRoutingInterpreter();
// creates the data.
IRoutingAlgorithm<Edge> router = new Dykstra();
var nonameLocation = new GeoCoordinate(
(fromNoname.Latitude + toNoname.Latitude) / 2.0,
(fromNoname.Longitude + toNoname.Longitude) / 2.0);
// var nameLocation = new GeoCoordinate(
// (fromName.Latitude + toName.Latitude) / 2.0,
// (fromName.Longitude + toName.Longitude) / 2.0);
const float delta = 0.01f;
var result = router.SearchClosest(data, interpreter, vehicle, nonameLocation, delta, matcher, pointTags, null);
if (result.Distance < double.MaxValue)
{ // there is a result.
Assert.IsFalse(notFound, "A result was found but was supposed not to be found!");
if (name == pointName)
{ // the name location was supposed to be found!
Assert.IsTrue(result.Vertex1 == vertexName1 || result.Vertex1 == vertexName2);
Assert.IsTrue(result.Vertex2 == vertexName1 || result.Vertex2 == vertexName2);
}
else
{ // the noname location was supposed to be found!
Assert.IsTrue(result.Vertex1 == vertexNoname1 || result.Vertex1 == vertexNoname2);
Assert.IsTrue(result.Vertex2 == vertexNoname1 || result.Vertex2 == vertexNoname2);
}
return;
}
Assert.IsTrue(notFound, "A result was not found but was supposed to be found!");
}
public void RoutingSerializationRoutingTest()
{
const string embeddedString = "OsmSharp.Test.Unittests.test_network.osm";
// create the tags index (and make sure it's serializable).
var tagsIndex = new TagsIndex(new MemoryMappedStream(new MemoryStream()));
// creates a new interpreter.
var interpreter = new OsmRoutingInterpreter();
// do the data processing.
var original =
new RouterDataSource<Edge>(new Graph<Edge>(), tagsIndex);
var targetData = new GraphOsmStreamTarget(
original, interpreter, tagsIndex, null, false);
var dataProcessorSource = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream(embeddedString));
targetData.RegisterSource(dataProcessorSource);
targetData.Pull();
// create serializer.
var routingSerializer = new RoutingDataSourceSerializer();
// serialize/deserialize.
TagsCollectionBase metaData = new TagsCollection();
metaData.Add("some_key", "some_value");
byte[] byteArray;
using (var stream = new MemoryStream())
{
try
{
routingSerializer.Serialize(stream, original, metaData);
byteArray = stream.ToArray();
}
catch (Exception)
{
if (Debugger.IsAttached)
{
Debugger.Break();
}
throw;
}
}
var deserializedVersion = routingSerializer.Deserialize(new MemoryStream(byteArray), out metaData);
Assert.AreEqual(original.TagsIndex.Get(0), deserializedVersion.TagsIndex.Get(0));
// try to do some routing on the deserialized version.
var basicRouter = new Dykstra();
var router = Router.CreateFrom(deserializedVersion, basicRouter, interpreter);
var source = router.Resolve(Vehicle.Car,
new GeoCoordinate(51.0578532, 3.7192229));
var target = router.Resolve(Vehicle.Car,
new GeoCoordinate(51.0576193, 3.7191801));
// calculate the route.
var route = router.Calculate(Vehicle.Car, source, target);
Assert.IsNotNull(route);
Assert.AreEqual(5, route.Segments.Length);
float latitude, longitude;
//deserializedVersion.GetVertex(20, out latitude, out longitude);
Assert.AreEqual(51.0578537, route.Segments[0].Latitude, 0.00001);
Assert.AreEqual(3.71922255, route.Segments[0].Longitude, 0.00001);
Assert.AreEqual(RouteSegmentType.Start, route.Segments[0].Type);
//deserializedVersion.GetVertex(21, out latitude, out longitude);
Assert.AreEqual(51.0578537, route.Segments[1].Latitude, 0.00001);
Assert.AreEqual(3.71956515, route.Segments[1].Longitude, 0.00001);
Assert.AreEqual(RouteSegmentType.Along, route.Segments[1].Type);
//deserializedVersion.GetVertex(16, out latitude, out longitude);
Assert.AreEqual(51.05773, route.Segments[2].Latitude, 0.00001);
Assert.AreEqual(3.719745, route.Segments[2].Longitude, 0.00001);
Assert.AreEqual(RouteSegmentType.Along, route.Segments[2].Type);
//deserializedVersion.GetVertex(22, out latitude, out longitude);
Assert.AreEqual(51.05762, route.Segments[3].Latitude, 0.00001);
Assert.AreEqual(3.71965766, route.Segments[3].Longitude, 0.00001);
Assert.AreEqual(RouteSegmentType.Along, route.Segments[3].Type);
deserializedVersion.GetVertex(23, out latitude, out longitude);
Assert.AreEqual(51.05762, route.Segments[4].Latitude, 0.00001);
Assert.AreEqual(3.71917963, route.Segments[4].Longitude, 0.00001);
Assert.AreEqual(RouteSegmentType.Stop, route.Segments[4].Type);
}
public void RoutingRegressionTest10ResolvingReverse()
{
// build a graph to encode from.
var tags = new TagsIndex();
var graphDataSource = new RouterDataSource<Edge>(new Graph<Edge>(), tags);
var vertex1 = graphDataSource.AddVertex(51.05849821468899f, 3.7240000000000000f);
var vertex2 = graphDataSource.AddVertex(51.05849821468899f, 3.7254400000000000f);
var vertex3 = graphDataSource.AddVertex(51.05849821468899f, 3.7225627899169926f);
var edge = new Edge() // all edges are identical.
{
Distance = 100,
Forward = true,
Tags = tags.Add(new TagsCollection(
Tag.Create("highway", "tertiary"),
Tag.Create("oneway", "yes")))
};
var shape1 = new CoordinateArrayCollection<OsmSharp.Math.Geo.Simple.GeoCoordinateSimple>(
new OsmSharp.Math.Geo.Simple.GeoCoordinateSimple[] {
new OsmSharp.Math.Geo.Simple.GeoCoordinateSimple()
{
Latitude = 1,
Longitude = 1
},
new OsmSharp.Math.Geo.Simple.GeoCoordinateSimple()
{
Latitude = 2,
Longitude = 2
}
});
var shape2 = new CoordinateArrayCollection<OsmSharp.Math.Geo.Simple.GeoCoordinateSimple>(
new OsmSharp.Math.Geo.Simple.GeoCoordinateSimple[] {
new OsmSharp.Math.Geo.Simple.GeoCoordinateSimple()
{
Latitude = 3,
Longitude = 3
},
new OsmSharp.Math.Geo.Simple.GeoCoordinateSimple()
{
Latitude = 4,
Longitude = 4
}
});
graphDataSource.AddEdge(vertex1, vertex2, edge, shape1);
graphDataSource.AddEdge(vertex3, vertex1, edge, shape2);
// {RectF:[(3,71326552867889,51,048498214689),(3,73326552867889,51,068498214689)]}
var edges = graphDataSource.GetEdges(new GeoCoordinateBox(
new GeoCoordinate(51.068498214689, 3.73326552867889),
new GeoCoordinate(51.048498214689, 3.71326552867889)));
while (edges.MoveNext())
{
if (edges.Vertex1 == 1 &&
edges.Vertex2 == 2)
{
Assert.IsTrue(edges.EdgeData.Forward);
var shapes = edges.Intermediates.ToSimpleArray();
Assert.AreEqual(2, shapes.Length);
Assert.AreEqual(1, shapes[0].Latitude);
Assert.AreEqual(1, shapes[0].Longitude);
Assert.AreEqual(2, shapes[1].Latitude);
Assert.AreEqual(2, shapes[1].Longitude);
}
else if (edges.Vertex1 == 2 &&
edges.Vertex2 == 1)
{
Assert.IsFalse(edges.EdgeData.Forward);
var shapes = edges.Intermediates.ToSimpleArray();
Assert.AreEqual(2, shapes.Length);
Assert.AreEqual(2, shapes[0].Latitude);
Assert.AreEqual(2, shapes[0].Longitude);
Assert.AreEqual(1, shapes[1].Latitude);
Assert.AreEqual(1, shapes[1].Longitude);
}
if (edges.Vertex1 == 1 &&
edges.Vertex2 == 3)
{
Assert.IsFalse(edges.EdgeData.Forward);
var shapes = edges.Intermediates.ToSimpleArray();
Assert.AreEqual(2, shapes.Length);
Assert.AreEqual(4, shapes[0].Latitude);
Assert.AreEqual(4, shapes[0].Longitude);
Assert.AreEqual(3, shapes[1].Latitude);
Assert.AreEqual(3, shapes[1].Longitude);
}
else if (edges.Vertex1 == 3 &&
edges.Vertex2 == 1)
{
Assert.IsTrue(edges.EdgeData.Forward);
var shapes = edges.Intermediates.ToSimpleArray();
Assert.AreEqual(2, shapes.Length);
Assert.AreEqual(3, shapes[0].Latitude);
Assert.AreEqual(3, shapes[0].Longitude);
Assert.AreEqual(4, shapes[1].Latitude);
Assert.AreEqual(4, shapes[1].Longitude);
}
}
}
public void RoutingRegressionTest9ResolvingReverse()
{
// build a graph to encode from.
var tags = new TagsIndex();
var graphDataSource = new RouterDataSource<Edge>(new Graph<Edge>(), tags);
var vertex1 = graphDataSource.AddVertex(51.05849821468899f, 3.7240000000000000f);
var vertex2 = graphDataSource.AddVertex(51.05849821468899f, 3.7254400000000000f);
var vertex3 = graphDataSource.AddVertex(51.05849821468899f, 3.7225627899169926f);
var edge = new Edge() // all edges are identical.
{
Distance = 100,
Forward = true,
Tags = tags.Add(new TagsCollection(
Tag.Create("highway", "tertiary"),
Tag.Create("oneway", "yes")))
};
graphDataSource.AddEdge(vertex1, vertex2, edge, null);
graphDataSource.AddEdge(vertex3, vertex1, edge, null);
// {RectF:[(3,71326552867889,51,048498214689),(3,73326552867889,51,068498214689)]}
var edges = graphDataSource.GetEdges(new GeoCoordinateBox(
new GeoCoordinate(51.068498214689, 3.73326552867889),
new GeoCoordinate(51.048498214689, 3.71326552867889)));
while(edges.MoveNext())
{
if(edges.Vertex1 == 1 &&
edges.Vertex2 == 2)
{
Assert.IsTrue(edges.EdgeData.Forward);
}
else if(edges.Vertex1 == 2 &&
edges.Vertex2 == 1)
{
Assert.IsFalse(edges.EdgeData.Forward);
}
if (edges.Vertex1 == 1 &&
edges.Vertex2 == 3)
{
Assert.IsFalse(edges.EdgeData.Forward);
}
else if (edges.Vertex1 == 3 &&
edges.Vertex2 == 1)
{
Assert.IsTrue(edges.EdgeData.Forward);
}
}
}
/// <summary> /// Serializes the given graph and tags index to the given stream. /// </summary> /// <param name="stream"></param> /// <param name="graph"></param> protected abstract void DoSerialize(LimitedStream stream, RouterDataSource <TEdgeData> graph);
public static void TestResolved(RouterDataSource<CHEdgeData> data, int testCount, GeoCoordinateBox box)
{
var router = Router.CreateCHFrom(data, new CHRouter(), new OsmRoutingInterpreter());
var performanceInfo = new PerformanceInfoConsumer("CHRouting");
performanceInfo.Start();
performanceInfo.Report("Routing {0} routes...", testCount);
var successCount = 0;
var totalCount = testCount;
var latestProgress = -1.0f;
while (testCount > 0)
{
var from = box.GenerateRandomIn();
var to = box.GenerateRandomIn();
var fromPoint = router.Resolve(Vehicle.Car, from);
var toPoint = router.Resolve(Vehicle.Car, to);
if (fromPoint != null && toPoint != null)
{
var route = router.Calculate(Vehicle.Car, fromPoint, toPoint);
if (route != null)
{
successCount++;
}
}
testCount--;
// report progress.
var progress = (float)System.Math.Round(((double)(totalCount - testCount) / (double)totalCount) * 100);
if (progress != latestProgress)
{
OsmSharp.Logging.Log.TraceEvent("CHRouting", TraceEventType.Information,
"Routing... {0}%", progress);
latestProgress = progress;
}
}
performanceInfo.Stop();
OsmSharp.Logging.Log.TraceEvent("CHRouting", OsmSharp.Logging.TraceEventType.Information,
string.Format("{0}/{1} routes successfull!", successCount, totalCount));
}
/// <summary>
/// Serializes the given graph and tags index to the given stream.
/// </summary>
/// <param name="stream"></param>
/// <param name="graph"></param>
protected override void DoSerialize(LimitedStream stream, RouterDataSource <CHEdgeData> graph)
{
graph.Serialize(stream, CHEdgeData.SizeUints, CHEdgeData.MapFromDelegate, CHEdgeData.MapToDelegate);
}
/// <summary>
/// Tests routing from a serialized routing file.
/// </summary>
/// <param name="data"></param>
/// <param name="box"></param>
/// <param name="testCount"></param>
public static void TestSerializedResolved(RouterDataSource<CHEdgeData> data,
GeoCoordinateBox box, int testCount = 100)
{
var successCount = 0;
var totalCount = testCount;
var router = Router.CreateCHFrom(data, new CHRouter(), new OsmRoutingInterpreter());
var performanceInfo = new PerformanceInfoConsumer("CHRouting");
performanceInfo.Start();
performanceInfo.Report("Routing {0} routes...", testCount);
while (testCount > 0)
{
var point1 = router.Resolve(Vehicle.Car, box.GenerateRandomIn());
var point2 = router.Resolve(Vehicle.Car, box.GenerateRandomIn());
Route route = null;
if (point1 != null && point2 != null)
{
route = router.Calculate(Vehicle.Car, point1, point2);
}
if (route != null)
{
successCount++;
}
testCount--;
}
performanceInfo.Stop();
OsmSharp.Logging.Log.TraceEvent("CHRouting", OsmSharp.Logging.TraceEventType.Information,
string.Format("{0}/{1} routes successfull!", successCount, totalCount));
}
public void RoutingRegressionTest2()
{
var interpreter = new OsmRoutingInterpreter();
var tagsIndex = new TagsIndex();
// do the data processing.
var memoryData = new RouterDataSource<Edge>(new Graph<Edge>(), tagsIndex);
var targetData = new GraphOsmStreamTarget(memoryData, interpreter, tagsIndex);
var dataProcessorSource = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream("OsmSharp.Routing.Test.data.test_network.osm"));
var sorter = new OsmStreamFilterSort();
sorter.RegisterSource(dataProcessorSource);
targetData.RegisterSource(sorter);
targetData.Pull();
var basicRouter = new Dykstra();
var router = Router.CreateFrom(memoryData, basicRouter, interpreter);
// build coordinates list of resolved points.
var testPoints = new List<GeoCoordinate>();
testPoints.Add(new GeoCoordinate(51.0582204, 3.7193524));
testPoints.Add(new GeoCoordinate(51.0582199, 3.7194002));
testPoints.Add(new GeoCoordinate(51.0581727, 3.7195833));
testPoints.Add(new GeoCoordinate(51.0581483, 3.7195553));
testPoints.Add(new GeoCoordinate(51.0581883, 3.7196617));
testPoints.Add(new GeoCoordinate(51.0581628, 3.7196889));
// build a matrix of routes between all points.
var referenceRoutes = new Route[testPoints.Count][];
var permuationArray = new int[testPoints.Count];
for (int fromIdx = 0; fromIdx < testPoints.Count; fromIdx++)
{
permuationArray[fromIdx] = fromIdx;
referenceRoutes[fromIdx] = new Route[testPoints.Count];
for (int toIdx = 0; toIdx < testPoints.Count; toIdx++)
{
// create router from scratch.
router = Router.CreateFrom(
memoryData, basicRouter, interpreter);
// resolve points.
var from = router.Resolve(Vehicle.Car, testPoints[fromIdx]);
var to = router.Resolve(Vehicle.Car, testPoints[toIdx]);
// calculate route.
referenceRoutes[fromIdx][toIdx] = router.Calculate(Vehicle.Car, from, to);
}
}
// resolve points in some order and compare the resulting routes.
// they should be identical in length except for some numerical rounding errors.
var enumerator = new PermutationEnumerable<int>(permuationArray);
foreach (int[] permutation in enumerator)
{
// create router from scratch.
router = Router.CreateFrom(memoryData, basicRouter, interpreter);
// resolve in the order of the permutation.
var resolvedPoints = new RouterPoint[permutation.Length];
for (int idx = 0; idx < permutation.Length; idx++)
{
resolvedPoints[permutation[idx]] = router.Resolve(Vehicle.Car, testPoints[permutation[idx]]);
}
for (int fromIdx = 0; fromIdx < testPoints.Count; fromIdx++)
{
for (int toIdx = 0; toIdx < testPoints.Count; toIdx++)
{
// calculate route.
var route = router.Calculate(Vehicle.Car, resolvedPoints[fromIdx], resolvedPoints[toIdx]);
// TODO: changed the resolve accuracy to .5m. Make sure this is more accurate in the future.
Assert.AreEqual(referenceRoutes[fromIdx][toIdx].TotalDistance, route.TotalDistance, 1);
}
}
}
}
public void RoutingRegressionTest4()
{
var interpreter = new OsmRoutingInterpreter();
var tagsIndex = new TagsIndex();
// do the data processing.
var memoryData = new RouterDataSource<Edge>(new Graph<Edge>(), tagsIndex);
var targetData = new GraphOsmStreamTarget(memoryData, interpreter, tagsIndex);
var dataProcessorSource = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream("OsmSharp.Routing.Test.data.test_routing_regression1.osm"));
var sorter = new OsmStreamFilterSort();
sorter.RegisterSource(dataProcessorSource);
targetData.RegisterSource(sorter);
targetData.Pull();
var basicRouter = new Dykstra();
var router = Router.CreateFrom(memoryData, basicRouter, interpreter);
// resolve the three points in question.
var point35 = new GeoCoordinate(51.01257, 4.000753);
var point35ResolvedCar = router.Resolve(Vehicle.Car, point35);
var point35ResolvedBicycle = router.Resolve(Vehicle.Bicycle, point35);
}
/// <summary>
/// Tests the CH serializer.
/// </summary>
/// <returns>A stream to the file that was serialized.</returns>
public static Stream Test(RouterDataSource<CHEdgeData> data)
{
return CHEdgeGraphFileStreamTargetTests.TestSerialization("CHSerializer", "kempen-big.osm.pbf", data);
}
public void RoutingRegressionTest11ResolvingReverse()
{
// build a graph to encode from.
var tags = new TagsIndex();
var graphDataSource = new RouterDataSource<Edge>(new Graph<Edge>(), tags);
var vertex1 = graphDataSource.AddVertex(51.05849821468899f, 3.7240000000000000f);
var vertex2 = graphDataSource.AddVertex(51.05849821468899f, 3.7254400000000000f);
var vertex3 = graphDataSource.AddVertex(51.05849821468899f, 3.7225627899169926f);
var edgeData = new Edge() // all edges are identical.
{
Distance = 100,
Forward = true,
Tags = tags.Add(new TagsCollection(
Tag.Create("highway", "tertiary"),
Tag.Create("oneway", "yes")))
};
var shape1 = new CoordinateArrayCollection<OsmSharp.Math.Geo.Simple.GeoCoordinateSimple>(
new OsmSharp.Math.Geo.Simple.GeoCoordinateSimple[] {
new OsmSharp.Math.Geo.Simple.GeoCoordinateSimple()
{
Latitude = 1,
Longitude = 1
},
new OsmSharp.Math.Geo.Simple.GeoCoordinateSimple()
{
Latitude = 2,
Longitude = 2
}
});
var shape2 = new CoordinateArrayCollection<OsmSharp.Math.Geo.Simple.GeoCoordinateSimple>(
new OsmSharp.Math.Geo.Simple.GeoCoordinateSimple[] {
new OsmSharp.Math.Geo.Simple.GeoCoordinateSimple()
{
Latitude = 3,
Longitude = 3
},
new OsmSharp.Math.Geo.Simple.GeoCoordinateSimple()
{
Latitude = 4,
Longitude = 4
}
});
graphDataSource.AddEdge(vertex1, vertex2, edgeData, shape1);
graphDataSource.AddEdge(vertex3, vertex1, edgeData, shape2);
var edges = new List<Edge<Edge>>(graphDataSource.GetEdges(1));
Assert.AreEqual(2, edges.Count);
foreach(var edge in edges)
{
if (edge.Neighbour == 2)
{
Assert.AreEqual(true, edge.EdgeData.Forward);
}
else if(edge.Neighbour == 3)
{
Assert.AreEqual(false, edge.EdgeData.Forward);
}
}
edges = new List<Edge<Edge>>(graphDataSource.GetEdges(2));
Assert.AreEqual(1, edges.Count);
Assert.AreEqual(false, edges[0].EdgeData.Forward);
edges = new List<Edge<Edge>>(graphDataSource.GetEdges(3));
Assert.AreEqual(1, edges.Count);
Assert.AreEqual(true, edges[0].EdgeData.Forward);
}
public void TestSparseRemoval1Routing()
{
// use one edge definition everywhere.
var tagsIndex = new TagsIndex();
var tags = new TagsCollection(new Tag("highway","residential"));
var edge = new Edge();
edge.Forward = true;
edge.Tags = tagsIndex.Add(tags);
var graph = new Graph<Edge>();
uint vertex1 = graph.AddVertex(51.267797f, 4.8013623f);
uint vertex2 = graph.AddVertex(51.267702f, 4.8013396f);
uint vertex3 = graph.AddVertex(51.267592f, 4.8013024f);
graph.AddEdge(vertex1, vertex2, edge, null);
graph.AddEdge(vertex2, vertex3, edge, null);
graph.AddEdge(vertex3, vertex2, edge, null);
// save vertex coordinates for later use.
float latitude, longitude;
graph.GetVertex(vertex1, out latitude, out longitude);
var vertex1Coordinate = new GeoCoordinate(latitude, longitude);
graph.GetVertex(vertex2, out latitude, out longitude);
var vertex2Coordinate = new GeoCoordinate(latitude, longitude);
graph.GetVertex(vertex3, out latitude, out longitude);
var vertex3Coordinate = new GeoCoordinate(latitude, longitude);
// execute pre-processor.
var preProcessor = new GraphSimplificationPreprocessor(graph);
preProcessor.Start();
// create router.
var source = new RouterDataSource<Edge>(
graph, tagsIndex);
var router = Router.CreateFrom(source, new OsmRoutingInterpreter());
// test some basic routing requests.
// 1 -> 3: 1 -> 2 -> 3.
var resolved1 = router.Resolve(Vehicle.Car, vertex1Coordinate);
var resolved3 = router.Resolve(Vehicle.Car, vertex3Coordinate);
var route = router.Calculate(Vehicle.Car, resolved1, resolved3);
// verify the simple route result.
Assert.IsNotNull(route);
Assert.AreEqual(3, route.Segments.Length);
Assert.AreEqual(vertex1Coordinate.Latitude, route.Segments[0].Latitude);
Assert.AreEqual(vertex1Coordinate.Longitude, route.Segments[0].Longitude);
Assert.AreEqual(vertex2Coordinate.Latitude, route.Segments[1].Latitude);
Assert.AreEqual(vertex2Coordinate.Longitude, route.Segments[1].Longitude);
Assert.AreEqual(vertex3Coordinate.Latitude, route.Segments[2].Latitude);
Assert.AreEqual(vertex3Coordinate.Longitude, route.Segments[2].Longitude);
// 1 -> 2: 1 -> 2.
router = Router.CreateFrom(source, new OsmRoutingInterpreter());
resolved1 = router.Resolve(Vehicle.Car, vertex1Coordinate);
var resolved2 = router.Resolve(Vehicle.Car, vertex2Coordinate);
route = router.Calculate(Vehicle.Car, resolved1, resolved2);
// verify the simple route result.
Assert.IsNotNull(route);
Assert.AreEqual(2, route.Segments.Length);
Assert.AreEqual(vertex1Coordinate.Latitude, route.Segments[0].Latitude);
Assert.AreEqual(vertex1Coordinate.Longitude, route.Segments[0].Longitude);
Assert.AreEqual(vertex2Coordinate.Latitude, route.Segments[1].Latitude);
Assert.AreEqual(vertex2Coordinate.Longitude, route.Segments[1].Longitude);
}
public void SortDirectedHilbertRealBigTest()
{
var embeddedString = "OsmSharp.Routing.Test.data.test_network_big.osm";
var n = GraphExtensions.DefaultHilbertSteps;
// do the data processing without preprocessing.
var interpreter = new OsmRoutingInterpreter();
var tagsIndex = new TagsIndex();
var unsortedData = new RouterDataSource<CHEdgeData>(new DirectedGraph<CHEdgeData>(), tagsIndex);
var targetData = new CHEdgeGraphOsmStreamTarget(unsortedData, interpreter, tagsIndex, OsmSharp.Routing.Vehicles.Vehicle.Car,
(g) => { return null; });
var dataProcessorSource = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream(embeddedString));
var sorter = new OsmStreamFilterSort();
sorter.RegisterSource(dataProcessorSource);
targetData.RegisterSource(sorter);
targetData.Pull();
// do the data processing with only hilbert sorting preprocessing.
interpreter = new OsmRoutingInterpreter();
tagsIndex = new TagsIndex();
var data = new RouterDataSource<CHEdgeData>(new DirectedGraph<CHEdgeData>(), tagsIndex);
targetData = new CHEdgeGraphOsmStreamTarget(data, interpreter, tagsIndex, OsmSharp.Routing.Vehicles.Vehicle.Car, (g) =>
{
return new HilbertSortingPreprocessor<CHEdgeData>(g);
});
dataProcessorSource = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream(embeddedString));
sorter = new OsmStreamFilterSort();
sorter.RegisterSource(dataProcessorSource);
targetData.RegisterSource(sorter);
targetData.Pull();
// test if sorted.
for (uint sortedVertex = 1; sortedVertex < data.VertexCount; sortedVertex++)
{
var coordinate = data.GetLocation(sortedVertex);
var neighbours = new Dictionary<GeoCoordinateSimple, CHEdgeData>();
foreach (var edge in data.GetEdges(sortedVertex))
{
neighbours[data.GetLocation(edge.Neighbour)] = edge.EdgeData;
}
for (uint unsortedVertex = 1; unsortedVertex < unsortedData.VertexCount; unsortedVertex++)
{
var unsortedCoordinate = unsortedData.GetLocation(unsortedVertex);
if (coordinate.Latitude == unsortedCoordinate.Latitude &&
coordinate.Longitude == unsortedCoordinate.Longitude)
{ // this is the same vertex, all vertices is the test network have different coordinates.
// compare their neighbours.
var unsortedNeighbours = new Dictionary<GeoCoordinateSimple, CHEdgeData>();
foreach (var edge in unsortedData.GetEdges(unsortedVertex))
{
unsortedNeighbours[unsortedData.GetLocation(edge.Neighbour)] = edge.EdgeData;
}
Assert.AreEqual(neighbours.Count, unsortedNeighbours.Count);
foreach (var neighbour in neighbours)
{
Assert.IsTrue(unsortedNeighbours.ContainsKey(neighbour.Key));
var value = unsortedNeighbours[neighbour.Key];
Assert.AreEqual(neighbour.Value.Weight, value.Weight);
Assert.AreEqual(neighbour.Value.Forward, value.Forward);
Assert.AreEqual(neighbour.Value.RepresentsNeighbourRelations, value.RepresentsNeighbourRelations);
Assert.AreEqual(neighbour.Value.Tags, value.Tags);
}
break;
}
}
}
}