public void TestRandomBlockTagSerializatonNonBeginPosition()
{
TagsTableCollectionIndex tagsIndex = new TagsTableCollectionIndex();
TagsCollection tagsCollection = new TagsCollection();
for (int i = 0; i < 100; i++)
{
int tagCollectionSize = OsmSharp.Math.Random.StaticRandomGenerator.Get().Generate(10) + 1;
for (int idx = 0; idx < tagCollectionSize; idx++)
{
int tagValue = OsmSharp.Math.Random.StaticRandomGenerator.Get().Generate(10);
tagsCollection.Add(
string.Format("key_{0}", tagValue),
string.Format("value_{0}", tagValue));
}
uint tagsId = tagsIndex.Add(tagsCollection);
}
ITagsCollectionIndexReadonly tagsIndexReadonly = this.SerializeDeserializeBlock(tagsIndex, 10, 123);
Assert.AreEqual(tagsIndex.Max, tagsIndexReadonly.Max);
for (uint idx = 0; idx < tagsIndex.Max; idx++)
{
ComparisonHelpers.CompareTags(tagsIndex.Get(idx),
tagsIndexReadonly.Get(idx));
}
}
/// <summary>
/// Returns a new router.
/// </summary>
/// <param name="interpreter"></param>
/// <param name="embeddedName"></param>
/// <param name="contract"></param>
/// <returns></returns>
public override Router BuildRouter(IOsmRoutingInterpreter interpreter, string embeddedName, bool contract)
{
if (_data == null)
{
_data = new Dictionary<string, DynamicGraphRouterDataSource<CHEdgeData>>();
}
DynamicGraphRouterDataSource<CHEdgeData> data = null;
if (!_data.TryGetValue(embeddedName, out data))
{
var tagsIndex = new TagsTableCollectionIndex();
// do the data processing.
data =
new DynamicGraphRouterDataSource<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();
// do the pre-processing part.
var preProcessor = new CHPreProcessor(data,
new SparseOrdering(data), new DykstraWitnessCalculator());
preProcessor.Start();
_data[embeddedName] = data;
}
return Router.CreateCHFrom(data, new CHRouter(), interpreter);
}
/// <summary>
/// Executes the tests.
/// </summary>
public static void Test()
{
TagsTableCollectionIndex index = new TagsTableCollectionIndex();
// first fill the index.
ITagCollectionIndexTests.FillIndex(index, 100000);
// serialize the index.
FileInfo testFile = new FileInfo(@"test.file");
testFile.Delete();
Stream writeStream = testFile.OpenWrite();
OsmSharp.Logging.Log.TraceEvent("Blocked", System.Diagnostics.TraceEventType.Information,
"Serializing blocked file....");
TagIndexSerializer.SerializeBlocks(writeStream, index, 100);
writeStream.Flush();
writeStream.Dispose();
OsmSharp.Logging.Log.TraceEvent("Blocked", System.Diagnostics.TraceEventType.Information,
string.Format("Serialized file: {0}KB", testFile.Length / 1024));
// deserialize the index.
Stream readStream = testFile.OpenRead();
ITagsCollectionIndexReadonly readOnlyIndex = TagIndexSerializer.DeserializeBlocks(readStream);
// test access.
OsmSharp.Logging.Log.TraceEvent("Blocked", System.Diagnostics.TraceEventType.Information,
"Started testing random access....");
ITagCollectionIndexTests.TestRandomAccess("Blocked", readOnlyIndex, 1000);
readStream.Dispose();
testFile.Delete();
}
/// <summary>
///
/// </summary>
/// <param name="stream"></param>
/// <param name="vehicle"></param>
public CHEdgeGraphFileStreamTarget(Stream stream, Vehicle vehicle)
{
_graphStream = stream;
var tagsIndex = new TagsTableCollectionIndex();
var interpreter = new OsmRoutingInterpreter();
_graph = new DynamicGraphRouterDataSource<CHEdgeData>(tagsIndex);
_graphTarget = new CHEdgeGraphOsmStreamTarget(
_graph, interpreter, tagsIndex, vehicle);
}
/// <summary>
/// Executes the tests.
/// </summary>
public static void Test()
{
TagsTableCollectionIndex index = new TagsTableCollectionIndex();
// execute the standard tests on this index.
ITagCollectionIndexTests.Test("Table", index, 100000, 10000000);
// start over.
index = new TagsTableCollectionIndex();
// execute the standard tests on this index.
ITagCollectionIndexTests.Test("Table", index, "kempen-big.osm.pbf");
}
public void RoutingRegressionTest1()
{
OsmRoutingInterpreter interpreter = new OsmRoutingInterpreter();
TagsTableCollectionIndex tags_index = new TagsTableCollectionIndex();
// do the data processing.
DynamicGraphRouterDataSource<LiveEdge> memory_data =
new DynamicGraphRouterDataSource<LiveEdge>(tags_index);
LiveGraphOsmStreamTarget target_data = new LiveGraphOsmStreamTarget(
memory_data, interpreter, tags_index);
XmlOsmStreamSource data_processor_source = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream("OsmSharp.Test.Unittests.test_routing_regression1.osm"));
OsmStreamFilterSort sorter = new OsmStreamFilterSort();
sorter.RegisterSource(data_processor_source);
target_data.RegisterSource(sorter);
target_data.Pull();
IBasicRouter<LiveEdge> basic_router = new DykstraRoutingLive();
Router router = Router.CreateLiveFrom(memory_data, basic_router, interpreter);
// resolve the three points in question.
GeoCoordinate point35 = new GeoCoordinate(51.01257, 4.000753);
RouterPoint point35resolved = router.Resolve(Vehicle.Car, point35);
// GeoCoordinate point40 = new GeoCoordinate(51.01250, 4.000013);
// RouterPoint point40resolved = router.Resolve(Vehicle.Car, point40);
GeoCoordinate point45 = new GeoCoordinate(51.01315, 3.999588);
RouterPoint point45resolved = router.Resolve(Vehicle.Car, point45);
// route between 35 and 45.
Route routebefore = router.Calculate(Vehicle.Car, point35resolved, point45resolved);
// GeoCoordinate point129 = new GeoCoordinate(51.01239, 3.999573);
// RouterPoint point129resolved = router.Resolve(Vehicle.Car, point129);
// route between 35 and 45.
Route routeafter = router.Calculate(Vehicle.Car, point35resolved, point45resolved);
Assert.AreEqual(routebefore.TotalDistance, routeafter.TotalDistance);
}
/// <summary>
/// Builds a raw router to compare against.
/// </summary>
/// <returns></returns>
public void BuildDykstraRouter(string embeddedName,
IOsmRoutingInterpreter interpreter)
{
var tagsIndex = new TagsTableCollectionIndex();
// do the data processing.
var data = new DynamicGraphRouterDataSource<LiveEdge>(tagsIndex);
var targetData = new LiveGraphOsmStreamTarget(
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.CreateLiveFrom(data, new DykstraRoutingLive(), interpreter);
}
/// <summary>
/// Executes the CH contractions while verifying each step.
/// </summary>
/// <param name="stream"></param>
public void DoTestCHSparseVerifiedContraction(Stream stream)
{
_interpreter = new OsmRoutingInterpreter();
var tagsIndex = new TagsTableCollectionIndex();
// do the data processing.
_data = new DynamicGraphRouterDataSource<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.
//INodeWitnessCalculator witness_calculator = new CHRouterWitnessCalculator(_data);
INodeWitnessCalculator 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>
/// 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)
{
TagsTableCollectionIndex tagsIndex = new TagsTableCollectionIndex();
// do the data processing.
DynamicGraphRouterDataSource<LiveEdge> memoryData =
new DynamicGraphRouterDataSource<LiveEdge>(tagsIndex);
LiveGraphOsmStreamTarget target_data = new LiveGraphOsmStreamTarget(
memoryData, interpreter, tagsIndex);
XmlOsmStreamSource dataProcessorSource = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream(manifestResourceName));
OsmStreamFilterSort sorter = new OsmStreamFilterSort();
sorter.RegisterSource(dataProcessorSource);
target_data.RegisterSource(sorter);
target_data.Pull();
IBasicRouter<LiveEdge> basicRouter = new DykstraRoutingLive();
return Router.CreateLiveFrom(memoryData, basicRouter, interpreter);
}
public void RoutingSerializationV2CompressedRoutingTest()
{
const string embeddedString = "OsmSharp.Test.Unittests.test_network.osm";
// create the tags index.
var tagsIndex = new TagsTableCollectionIndex();
// creates a new interpreter.
var interpreter = new OsmRoutingInterpreter();
// do the data processing.
var original =
new DynamicGraphRouterDataSource<LiveEdge>(tagsIndex);
var targetData = new LiveGraphOsmStreamTarget(
original, interpreter, tagsIndex);
var dataProcessorSource = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream(embeddedString));
targetData.RegisterSource(dataProcessorSource);
targetData.Pull();
// create serializer.
var routingSerializer = new V2RoutingDataSourceLiveEdgeSerializer(true);
// 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;
}
}
IBasicRouterDataSource<LiveEdge> 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 DykstraRoutingLive();
Router router = Router.CreateLiveFrom(deserializedVersion, basicRouter, interpreter);
RouterPoint source = router.Resolve(Vehicle.Car,
new GeoCoordinate(51.0578532, 3.7192229));
RouterPoint target = router.Resolve(Vehicle.Car,
new GeoCoordinate(51.0576193, 3.7191801));
// calculate the route.
Route route = router.Calculate(Vehicle.Car, source, target);
Assert.IsNotNull(route);
Assert.AreEqual(5, route.Entries.Length);
float latitude, longitude;
deserializedVersion.GetVertex(20, out latitude, out longitude);
Assert.AreEqual(latitude, route.Entries[0].Latitude, 0.00001);
Assert.AreEqual(longitude, route.Entries[0].Longitude, 0.00001);
Assert.AreEqual(RoutePointEntryType.Start, route.Entries[0].Type);
deserializedVersion.GetVertex(21, out latitude, out longitude);
Assert.AreEqual(latitude, route.Entries[1].Latitude, 0.00001);
Assert.AreEqual(longitude, route.Entries[1].Longitude, 0.00001);
Assert.AreEqual(RoutePointEntryType.Along, route.Entries[1].Type);
deserializedVersion.GetVertex(16, out latitude, out longitude);
Assert.AreEqual(latitude, route.Entries[2].Latitude, 0.00001);
Assert.AreEqual(longitude, route.Entries[2].Longitude, 0.00001);
Assert.AreEqual(RoutePointEntryType.Along, route.Entries[2].Type);
deserializedVersion.GetVertex(22, out latitude, out longitude);
Assert.AreEqual(latitude, route.Entries[3].Latitude, 0.00001);
Assert.AreEqual(longitude, route.Entries[3].Longitude, 0.00001);
Assert.AreEqual(RoutePointEntryType.Along, route.Entries[3].Type);
deserializedVersion.GetVertex(23, out latitude, out longitude);
Assert.AreEqual(latitude, route.Entries[4].Latitude, 0.00001);
Assert.AreEqual(longitude, route.Entries[4].Longitude, 0.00001);
Assert.AreEqual(RoutePointEntryType.Stop, route.Entries[4].Type);
}
public void RoutingSerializationV2DataSourceTest()
{
const string embeddedString = "OsmSharp.Test.Unittests.test_network.osm";
// create the tags index.
var tagsIndex = new TagsTableCollectionIndex();
// creates a new interpreter.
var interpreter = new OsmRoutingInterpreter();
// do the data processing.
var original =
new DynamicGraphRouterDataSource<LiveEdge>(tagsIndex);
var targetData = new LiveGraphOsmStreamTarget(
original, interpreter, tagsIndex);
var dataProcessorSource = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream(embeddedString));
targetData.RegisterSource(dataProcessorSource);
targetData.Pull();
// store some lat/lons.
var verticesLocations = new List<GeoCoordinate>();
for (uint vertex = 1; vertex <= 5; vertex++)
{
float latitude, longitude;
if(original.GetVertex(vertex, out latitude, out longitude))
{
verticesLocations.Add(
new GeoCoordinate(latitude, longitude));
}
}
// create serializer.
var routingSerializer = new V2RoutingDataSourceLiveEdgeSerializer(false);
// serialize/deserialize.
TagsCollectionBase metaData = new TagsCollection();
metaData.Add("some_key", "some_value");
IBasicRouterDataSource<LiveEdge> deserializedVersion;
byte[] byteArray;
using (var stream = new MemoryStream())
{
try
{
routingSerializer.Serialize(stream, original, metaData);
byteArray = stream.ToArray();
}
catch (Exception)
{
if (Debugger.IsAttached)
{
Debugger.Break();
}
throw;
}
}
using (var stream = new MemoryStream(byteArray))
{
try
{
deserializedVersion = routingSerializer.Deserialize(stream, out metaData, false);
}
catch (Exception)
{
if (Debugger.IsAttached)
{
Debugger.Break();
}
throw;
}
}
//Assert.AreEqual(original.VertexCount, deserializedVersion.VertexCount);
Assert.AreEqual(original.TagsIndex.Get(0), deserializedVersion.TagsIndex.Get(0));
for (uint vertex = 1; vertex <= 5; vertex++)
{
float latitude, longitude;
if (deserializedVersion.GetVertex(vertex, out latitude, out longitude))
{
Assert.AreEqual(verticesLocations[(int)vertex - 1].Latitude, latitude, 0.000001);
Assert.AreEqual(verticesLocations[(int)vertex - 1].Longitude, longitude, 0.000001);
}
}
}
/// <summary>
/// Creates a router using live interpreted edges.
/// </summary>
/// <param name="reader">The data to route on.</param>
/// <param name="interpreter">The routing interpreter.</param>
/// <param name="vehicle">The vehicle profile.</param>
/// <returns></returns>
public static Router CreateCHFrom(OsmStreamSource reader,
IOsmRoutingInterpreter interpreter, Vehicle vehicle)
{
var tagsIndex = new TagsTableCollectionIndex(); // creates a tagged index.
// read from the OSM-stream.
DynamicGraphRouterDataSource<CHEdgeData> data = CHEdgeGraphOsmStreamTarget.Preprocess(
reader, interpreter, vehicle);
// creates the live edge router.
var liveEdgeRouter = new TypedRouterCHEdge(
data, interpreter, new CHRouter());
return new Router(liveEdgeRouter); // create the actual router.
}
public void TestSimpleTagSerializatonNonBeginPosition()
{
TagsTableCollectionIndex tagsIndex = new TagsTableCollectionIndex();
TagsCollection tagsCollection = new TagsCollection();
tagsCollection.Add("key1", "value1");
uint tagsId = tagsIndex.Add(tagsCollection);
ITagsCollectionIndexReadonly tagsIndexReadonly = this.SerializeDeserialize(tagsIndex, 1201);
Assert.AreEqual(tagsIndex.Max, tagsIndexReadonly.Max);
for (uint idx = 0; idx < tagsIndex.Max; idx++)
{
ComparisonHelpers.CompareTags(tagsIndex.Get(idx),
tagsIndexReadonly.Get(idx));
}
}
public void TestRandomPartialTagSerializaton()
{
TagsTableCollectionIndex tagsIndex = new TagsTableCollectionIndex();
TagsCollection tagsCollection = new TagsCollection();
for (int i = 0; i < 100; i++)
{
int tagCollectionSize = OsmSharp.Math.Random.StaticRandomGenerator.Get().Generate(10) + 1;
for (int idx = 0; idx < tagCollectionSize; idx++)
{
int tagValue = OsmSharp.Math.Random.StaticRandomGenerator.Get().Generate(10);
tagsCollection.Add(
string.Format("key_{0}", tagValue),
string.Format("value_{0}", tagValue));
}
uint tagsId = tagsIndex.Add(tagsCollection);
}
uint from = 40;
uint to = 50;
ITagsCollectionIndexReadonly tagsIndexReadonly = this.SerializeDeserialize(tagsIndex, from, to);
Assert.AreEqual(System.Math.Min(to, tagsIndex.Max), tagsIndexReadonly.Max);
for (uint idx = 0; idx < tagsIndex.Max; idx++)
{
if (idx >= from && idx < to)
{
ComparisonHelpers.CompareTags(tagsIndex.Get(idx),
tagsIndexReadonly.Get(idx));
}
else
{
Assert.IsNull(tagsIndexReadonly.Get(idx));
}
}
from = 0;
to = 100;
tagsIndexReadonly = this.SerializeDeserialize(tagsIndex, from, to);
Assert.AreEqual(System.Math.Min(to, tagsIndex.Max), tagsIndexReadonly.Max);
for (uint idx = 0; idx < tagsIndex.Max; idx++)
{
if (idx >= from && idx < to)
{
ComparisonHelpers.CompareTags(tagsIndex.Get(idx),
tagsIndexReadonly.Get(idx));
}
else
{
Assert.IsNull(tagsIndexReadonly.Get(idx));
}
}
from = 10;
to = 1000;
tagsIndexReadonly = this.SerializeDeserialize(tagsIndex, from, to);
Assert.AreEqual(System.Math.Min(to, tagsIndex.Max), tagsIndexReadonly.Max);
for (uint idx = 0; idx < tagsIndex.Max; idx++)
{
if (idx >= from && idx < to)
{
ComparisonHelpers.CompareTags(tagsIndex.Get(idx),
tagsIndexReadonly.Get(idx));
}
else
{
Assert.IsNull(tagsIndexReadonly.Get(idx));
}
}
}
public void RoutingRegressionTest3()
{
OsmRoutingInterpreter interpreter = new OsmRoutingInterpreter();
TagsTableCollectionIndex tags_index = new TagsTableCollectionIndex();
// do the data processing.
DynamicGraphRouterDataSource<LiveEdge> memory_data =
new DynamicGraphRouterDataSource<LiveEdge>(tags_index);
LiveGraphOsmStreamTarget target_data = new LiveGraphOsmStreamTarget(
memory_data, interpreter, tags_index);
XmlOsmStreamSource data_processor_source = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream("OsmSharp.Test.Unittests.test_network.osm"));
OsmStreamFilterSort sorter = new OsmStreamFilterSort();
sorter.RegisterSource(data_processor_source);
target_data.RegisterSource(sorter);
target_data.Pull();
IBasicRouter<LiveEdge> basic_router = new DykstraRoutingLive();
Router router = Router.CreateLiveFrom(memory_data, basic_router, interpreter);
// build coordinates list of resolved points.
List<GeoCoordinate> testPoints = new List<GeoCoordinate>();
testPoints.Add(new GeoCoordinate(51.0581719, 3.7201622));
testPoints.Add(new GeoCoordinate(51.0580439, 3.7202134));
testPoints.Add(new GeoCoordinate(51.0580573, 3.7204378));
testPoints.Add(new GeoCoordinate(51.0581862, 3.7203758));
// build a matrix of routes between all points.
Route[][] referenceRoutes = new Route[testPoints.Count][];
int[] 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.CreateLiveFrom(
memory_data, basic_router, interpreter);
// resolve points.
RouterPoint from = router.Resolve(Vehicle.Car, testPoints[fromIdx]);
RouterPoint 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.
PermutationEnumerable<int> enumerator = new PermutationEnumerable<int>(
permuationArray);
foreach (int[] permutation in enumerator)
{
// create router from scratch.
router = Router.CreateLiveFrom(memory_data, basic_router, interpreter);
// resolve in the order of the permutation.
RouterPoint[] 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.
Route route = router.Calculate(Vehicle.Car, resolvedPoints[fromIdx], resolvedPoints[toIdx]);
Assert.AreEqual(referenceRoutes[fromIdx][toIdx].TotalDistance, route.TotalDistance, 0.1);
}
}
}
}
/// <summary>
/// Builds the data source.
/// </summary>
/// <returns></returns>
private DynamicGraphRouterDataSource<CHEdgeData> BuildData(IOsmRoutingInterpreter interpreter)
{
DynamicGraphRouterDataSource<CHEdgeData> data = null;
if (data == null)
{
var tagsIndex = new TagsTableCollectionIndex();
// do the data processing.
data = new DynamicGraphRouterDataSource<CHEdgeData>(tagsIndex);
var targetData = new CHEdgeGraphOsmStreamTarget(
data, interpreter, tagsIndex, Vehicle.Car);
var dataProcessorSource = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream("OsmSharp.Test.Unittests.test_network.osm"));
var sorter = new OsmStreamFilterSort();
sorter.RegisterSource(dataProcessorSource);
targetData.RegisterSource(sorter);
targetData.Pull();
}
return data;
}
/// <summary>
/// Creates a router using live interpreted edges.
/// </summary>
/// <param name="reader">The OSM-stream reader.</param>
/// <param name="interpreter">The routing interpreter.</param>
/// <returns></returns>
public static Router CreateLiveFrom(OsmStreamSource reader, IOsmRoutingInterpreter interpreter)
{
var tagsIndex = new TagsTableCollectionIndex(); // creates a tagged index.
// read from the OSM-stream.
var memoryData = new DynamicGraphRouterDataSource<LiveEdge>(tagsIndex);
var targetData = new LiveGraphOsmStreamTarget(memoryData, interpreter, tagsIndex);
var sorter = new OsmStreamFilterSort();
sorter.RegisterSource(reader);
targetData.RegisterSource(sorter);
targetData.Pull();
// creates the live edge router.
var liveEdgeRouter = new TypedRouterLiveEdge(
memoryData, interpreter, new DykstraRoutingLive());
return new Router(liveEdgeRouter); // create the actual router.
}
/// <summary>
/// Creates a router.
/// </summary>
/// <param name="interpreter"></param>
/// <param name="manifestResourceName"></param>
/// <returns></returns>
protected override Router CreateRouter(IOsmRoutingInterpreter interpreter, string manifestResourceName)
{
TagsTableCollectionIndex tagsIndex = new TagsTableCollectionIndex();
// do the data processing.
var data = new DynamicGraphRouterDataSource<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 EdgeDifference(data, witnessCalculator), witnessCalculator);
preProcessor.Start();
//IBasicRouter<LiveEdge> basicRouter = new DykstraRoutingLive(memoryData.TagsIndex);
return Router.CreateCHFrom(data, new CHRouter(), interpreter);
}
/// <summary>
/// Builds an in-memory data source from an xml data stream.
/// </summary>
/// <param name="stream"></param>
/// <returns></returns>
private DynamicGraphRouterDataSource<CHEdgeData> BuildData(Stream stream)
{
var interpreter = new OsmRoutingInterpreter();
var tagsIndex = new TagsTableCollectionIndex();
// do the data processing.
var data = new DynamicGraphRouterDataSource<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();
return data;
}
