/// <summary>
/// Creates a router.
/// </summary>
/// <param name="interpreter"></param>
/// <param name="manifestResourceName"></param>
/// <returns></returns>
protected override Router CreateRouter(IOsmRoutingInterpreter interpreter, string manifestResourceName)
{
var tagsIndex = new TagsTableCollectionIndex();
// do the data processing.
var source = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream(manifestResourceName));
var data = CHEdgeGraphOsmStreamTarget.Preprocess(
source, new OsmRoutingInterpreter(), Vehicle.Car);
// serialize.
var memoryStream = new MemoryStream();
TagsCollectionBase metaData = new TagsCollection();
metaData.Add("some_key", "some_value");
var routingSerializer = new CHEdgeDataDataSourceSerializer();
routingSerializer.Serialize(memoryStream, data, metaData);
memoryStream.Seek(0, SeekOrigin.Begin);
var deserialized = routingSerializer.Deserialize(memoryStream);
return(Router.CreateCHFrom(deserialized, new CHRouter(), new OsmRoutingInterpreter()));
}
public static void Initialize()
{
var routingSerializer = new CHEdgeDataDataSourceSerializer();
_graph = routingSerializer.Deserialize(
Assembly.GetExecutingAssembly().GetManifestResourceStream(@"Android.Routing.Offline.kempen-big.osm.pbf.contracted.mobile.routing"));
}
/// <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)
{
FileInfo testFile = new FileInfo(string.Format(@".\TestFiles\{0}", pbfFile));
Stream stream = testFile.OpenRead();
PBFOsmStreamSource source = new PBFOsmStreamSource(stream);
FileInfo testOutputFile = new FileInfo(@"test.routing");
testOutputFile.Delete();
Stream writeStream = testOutputFile.OpenWrite();
CHEdgeGraphFileStreamTarget target = new CHEdgeGraphFileStreamTarget(writeStream,
Vehicle.Car);
target.RegisterSource(source);
PerformanceInfoConsumer performanceInfo = new PerformanceInfoConsumer("CHSerializer");
performanceInfo.Start();
performanceInfo.Report("Pulling from {0}...", testFile.Name);
var data = CHEdgeGraphOsmStreamTarget.Preprocess(
source, new OsmRoutingInterpreter(), Vehicle.Car);
TagsCollectionBase metaData = new TagsCollection();
metaData.Add("some_key", "some_value");
var routingSerializer = new CHEdgeDataDataSourceSerializer(true);
routingSerializer.Serialize(writeStream, data, metaData);
stream.Dispose();
writeStream.Dispose();
OsmSharp.Logging.Log.TraceEvent("CHSerializer", OsmSharp.Logging.TraceEventType.Information,
string.Format("Serialized file: {0}KB", testOutputFile.Length / 1024));
performanceInfo.Stop();
}
public static Stream TestSerialization(string name, string pbfFile, DynamicGraphRouterDataSource <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 CHEdgeDataDataSourceSerializer();
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());
}
/// <summary>
/// Tests routing from a serialized routing file.
/// </summary>
/// <param name="name"></param>
/// <param name="stream"></param>
/// <param name="box"></param>
/// <param name="testCount"></param>
public static void TestSerializedRouting(string name, Stream stream,
GeoCoordinateBox box, int testCount)
{
TagsCollectionBase metaData = null;
var routingSerializer = new CHEdgeDataDataSourceSerializer();
var graphDeserialized = routingSerializer.Deserialize(
stream, out metaData, true);
var router = Router.CreateCHFrom(
graphDeserialized, new CHRouter(),
new OsmRoutingInterpreter());
CHSerializedRoutingTest.TestRouting(router, box, testCount);
}
/// <summary>
/// Tests routing between two points and the associated instructions.
/// </summary>
/// <param name="name"></param>
/// <param name="stream"></param>
/// <param name="from"></param>
/// <param name="to"></param>
public static void TestSerializeRoutingInstrictions(string name, Stream stream,
GeoCoordinate from, GeoCoordinate to)
{
PerformanceInfoConsumer performanceInfo = new PerformanceInfoConsumer("CHSerializedRouting");
performanceInfo.Start();
performanceInfo.Report("Routing & generating instructions...");
TagsCollectionBase metaData = null;
var routingSerializer = new CHEdgeDataDataSourceSerializer();
var graphDeserialized = routingSerializer.Deserialize(
stream, out metaData, true);
var interpreter = new OsmRoutingInterpreter();
var router = Router.CreateCHFrom(
graphDeserialized, new CHRouter(),
interpreter);
RouterPoint fromPoint = router.Resolve(Vehicle.Car, from);
RouterPoint toPoint = router.Resolve(Vehicle.Car, to);
List <Instruction> instructions = new List <Instruction>();
if (fromPoint != null && toPoint != null)
{
Route route = router.Calculate(Vehicle.Car, fromPoint, toPoint);
if (route != null)
{
instructions = InstructionGenerator.Generate(route, interpreter);
}
}
performanceInfo.Stop();
if (instructions.Count == 0)
{
OsmSharp.Logging.Log.TraceEvent("CHSerializedRouting", OsmSharp.Logging.TraceEventType.Information,
"Routing unsuccesfull!");
}
else
{
foreach (Instruction instruction in instructions)
{
OsmSharp.Logging.Log.TraceEvent("CHSerializedRouting", OsmSharp.Logging.TraceEventType.Information,
instruction.Text);
}
}
}
/// <summary>
/// Tests routing from a serialized routing file.
/// </summary>
/// <param name="name"></param>
/// <param name="stream"></param>
/// <param name="box"></param>
/// <param name="testCount"></param>
public static void TestSerializedRouting(string name, Stream stream,
GeoCoordinateBox box, int testCount)
{
PerformanceInfoConsumer performanceInfo = new PerformanceInfoConsumer("CHSerializedRouting");
performanceInfo.Start();
performanceInfo.Report("Routing {0} routes...", testCount);
TagsCollectionBase metaData = null;
var routingSerializer = new CHEdgeDataDataSourceSerializer();
var graphDeserialized = routingSerializer.Deserialize(
stream, out metaData, true);
var router = Router.CreateCHFrom(
graphDeserialized, new CHRouter(),
new OsmRoutingInterpreter());
int successCount = 0;
int totalCount = testCount;
while (testCount > 0)
{
GeoCoordinate from = box.GenerateRandomIn();
GeoCoordinate to = box.GenerateRandomIn();
RouterPoint fromPoint = router.Resolve(Vehicle.Car, from);
RouterPoint toPoint = router.Resolve(Vehicle.Car, to);
if (fromPoint != null && toPoint != null)
{
Route route = router.Calculate(Vehicle.Car, fromPoint, toPoint, float.MaxValue, true);
if (route != null)
{
successCount++;
}
}
testCount--;
}
performanceInfo.Stop();
OsmSharp.Logging.Log.TraceEvent("CHSerializedRouting", OsmSharp.Logging.TraceEventType.Information,
string.Format("{0}/{1} routes successfull!", successCount, totalCount));
}
/// <summary>
/// Tests preprocessing data from a PBF file.
/// </summary>
/// <param name="name"></param>
/// <param name="pbfFile"></param>
public static Stream TestSerialization(string name, string pbfFile)
{
FileInfo testFile = new FileInfo(string.Format(@".\TestFiles\{0}", pbfFile));
Stream stream = testFile.OpenRead();
PBFOsmStreamSource source = new PBFOsmStreamSource(stream);
FileInfo testOutputFile = new FileInfo(@"test.routing");
testOutputFile.Delete();
Stream writeStream = testOutputFile.OpenWrite();
var tagsIndex = new TagsTableCollectionIndex();
var interpreter = new OsmRoutingInterpreter();
var graph = new DynamicGraphRouterDataSource <CHEdgeData>(tagsIndex);
CHEdgeGraphFileStreamTarget target = new CHEdgeGraphFileStreamTarget(writeStream, graph, interpreter, tagsIndex,
Vehicle.Car);
target.RegisterSource(source);
PerformanceInfoConsumer performanceInfo = new PerformanceInfoConsumer("CHSerializer");
performanceInfo.Start();
performanceInfo.Report("Pulling from {0}...", testFile.Name);
var data = CHEdgeGraphOsmStreamTarget.Preprocess(
source, new OsmRoutingInterpreter(), Vehicle.Car);
TagsCollectionBase metaData = new TagsCollection();
metaData.Add("some_key", "some_value");
var routingSerializer = new CHEdgeDataDataSourceSerializer();
routingSerializer.Serialize(writeStream, data, metaData);
stream.Dispose();
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());
}
/// <summary>
/// Flushes all data.
/// </summary>
public override void Flush()
{
base.Flush();
// compress the graph.
INodeWitnessCalculator witnessCalculator = new DykstraWitnessCalculator();
var edgeDifference = new EdgeDifference(
_graph, witnessCalculator);
var preProcessor = new CHPreProcessor(
_graph, edgeDifference, witnessCalculator);
preProcessor.Start();
// create serializer.
var routingSerializer = new CHEdgeDataDataSourceSerializer(true);
routingSerializer.Serialize(_graphStream, _graph);
_graphStream.Flush();
}
/// <summary>
/// Tests preprocessing data from a PBF file.
/// </summary>
/// <param name="name"></param>
/// <param name="pbfFile"></param>
public static Stream TestSerialization(string name, string pbfFile)
{
var testFile = new FileInfo(string.Format(@".\TestFiles\{0}", pbfFile));
var stream = testFile.OpenRead();
var source = new OsmSharp.Osm.Streams.Filters.OsmStreamFilterProgress();
source.RegisterSource(new PBFOsmStreamSource(stream));
var testOutputFile = new FileInfo(@"test.routing");
testOutputFile.Delete();
var writeStream = testOutputFile.OpenWrite();
var tagsIndex = new TagsTableCollectionIndex();
var interpreter = new OsmRoutingInterpreter();
var graph = new DynamicGraphRouterDataSource<CHEdgeData>(tagsIndex);
//CHEdgeGraphFileStreamTarget target = new CHEdgeGraphFileStreamTarget(writeStream, graph, interpreter, tagsIndex,
// Vehicle.Car);
//target.RegisterSource(source);
var performanceInfo = new PerformanceInfoConsumer("CHSerializer");
performanceInfo.Start();
performanceInfo.Report("Pulling from {0}...", testFile.Name);
var data = CHEdgeGraphOsmStreamTarget.Preprocess(
source, new OsmRoutingInterpreter(), Vehicle.Car);
TagsCollectionBase metaData = new TagsCollection();
metaData.Add("some_key", "some_value");
var routingSerializer = new CHEdgeDataDataSourceSerializer();
routingSerializer.Serialize(writeStream, data, metaData);
stream.Dispose();
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();
}
/// <summary>
/// Flushes all data.
/// </summary>
public override void Flush()
{
base.Flush();
// compress the graph.
INodeWitnessCalculator witnessCalculator = new DykstraWitnessCalculator();
var edgeDifference = new EdgeDifferenceContractedSearchSpace(
_graph, witnessCalculator);
var preProcessor = new CHPreProcessor(
_graph, edgeDifference, witnessCalculator);
preProcessor.Start();
// create tags.
TagsCollectionBase metaTags = new TagsCollection();
// create serializer.
var routingSerializer = new CHEdgeDataDataSourceSerializer();
routingSerializer.Serialize(_graphStream, _graph, metaTags);
_graphStream.Flush();
}
/// <summary>
/// Tests routing from a serialized routing file.
/// </summary>
/// <param name="name"></param>
/// <param name="stream"></param>
/// <param name="box"></param>
/// <param name="testCount"></param>
public static void TestSerializedRouting(string name, Stream stream,
GeoCoordinateBox box, int testCount)
{
PerformanceInfoConsumer performanceInfo = new PerformanceInfoConsumer("CHSerializedRouting");
performanceInfo.Start();
performanceInfo.Report("Routing {0} routes...", testCount);
TagsCollectionBase metaData = null;
var routingSerializer = new CHEdgeDataDataSourceSerializer(true);
var graphDeserialized = routingSerializer.Deserialize(
stream, out metaData, true);
var router = Router.CreateCHFrom(
graphDeserialized, new CHRouter(),
new OsmRoutingInterpreter());
int successCount = 0;
int totalCount = testCount;
while (testCount > 0)
{
GeoCoordinate from = box.GenerateRandomIn();
GeoCoordinate to = box.GenerateRandomIn();
RouterPoint fromPoint = router.Resolve(Vehicle.Car, from);
RouterPoint toPoint = router.Resolve(Vehicle.Car, to);
if (fromPoint != null && toPoint != null)
{
Route route = router.Calculate(Vehicle.Car, fromPoint, toPoint);
if (route != null)
{
successCount++;
}
}
testCount--;
}
performanceInfo.Stop();
OsmSharp.Logging.Log.TraceEvent("CHSerializedRouting", OsmSharp.Logging.TraceEventType.Information,
string.Format("{0}/{1} routes successfull!", successCount, totalCount));
}
/// <summary>
/// Tests routing from a serialized routing file.
/// </summary>
/// <param name="name"></param>
/// <param name="stream"></param>
/// <param name="box"></param>
/// <param name="testCount"></param>
public static void TestSerializedRouting(string name, Stream stream,
GeoCoordinateBox box, int testCount)
{
TagsCollectionBase metaData = null;
var routingSerializer = new CHEdgeDataDataSourceSerializer();
var graphDeserialized = routingSerializer.Deserialize(
stream, out metaData, true);
var router = Router.CreateCHFrom(
graphDeserialized, new CHRouter(),
new OsmRoutingInterpreter());
CHSerializedRoutingTest.TestRouting(router, box, testCount);
}
public void TestCHDataSourceTopologicalSortTest()
{
const string embeddedString = "OsmSharp.Test.Unittests.test_network_real1.osm";
// creates a new interpreter.
var interpreter = new OsmRoutingInterpreter();
// do the data processing.
var original = CHEdgeGraphOsmStreamTarget.Preprocess(new XmlOsmStreamSource(
Assembly.GetExecutingAssembly()
.GetManifestResourceStream(embeddedString)),
interpreter,
Vehicle.Car);
var sortedGraph = CHEdgeDataDataSourceSerializer.SortGraph(original);
original = CHEdgeGraphOsmStreamTarget.Preprocess(new XmlOsmStreamSource(
Assembly.GetExecutingAssembly()
.GetManifestResourceStream(embeddedString)),
interpreter,
Vehicle.Car);
var basicRouterOriginal = new CHRouter();
Router referenceRouter = Router.CreateCHFrom(
original, basicRouterOriginal, interpreter);
// try to do some routing on the deserialized version.
var basicRouter = new CHRouter();
Router router = Router.CreateCHFrom(
new DynamicGraphRouterDataSource <CHEdgeData>(sortedGraph, original.TagsIndex), basicRouter, interpreter);
// loop over all nodes and resolve their locations.
var resolvedReference = new RouterPoint[original.VertexCount];
var resolved = new RouterPoint[original.VertexCount];
for (uint idx = 1; idx < original.VertexCount + 1; idx++)
{ // resolve each vertex.
float latitude, longitude;
if (original.GetVertex(idx, out latitude, out longitude))
{
resolvedReference[idx - 1] = referenceRouter.Resolve(Vehicle.Car, new GeoCoordinate(latitude, longitude));
resolved[idx - 1] = router.Resolve(Vehicle.Car, new GeoCoordinate(latitude, longitude));
}
Assert.IsNotNull(resolvedReference[idx - 1]);
Assert.IsNotNull(resolved[idx - 1]);
//Assert.AreEqual(resolvedReference[idx - 1].Location.Latitude,
// resolved[idx - 1].Location.Latitude, 0.0001);
//Assert.AreEqual(resolvedReference[idx - 1].Location.Longitude,
// resolved[idx - 1].Location.Longitude, 0.0001);
}
//// check all the routes having the same weight(s).
//for (int fromIdx = 0; fromIdx < resolved.Length; fromIdx++)
//{
// for (int toIdx = 0; toIdx < resolved.Length; toIdx++)
// {
// OsmSharpRoute referenceRoute = referenceRouter.Calculate(Vehicle.Car,
// resolvedReference[fromIdx], resolvedReference[toIdx]);
// OsmSharpRoute route = router.Calculate(Vehicle.Car,
// resolved[fromIdx], resolved[toIdx]);
// Assert.IsNotNull(referenceRoute);
// Assert.IsNotNull(route);
// //Assert.AreEqual(referenceRoute.TotalDistance, route.TotalDistance, 0.1);
// // TODO: meta data is missing in some CH routing; see issue
// //Assert.AreEqual(reference_route.TotalTime, route.TotalTime, 0.0001);
// }
//}
}
/// <summary>
/// Raises the create event.
/// </summary>
/// <param name="bundle">Bundle.</param>
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
// enable the logggin.
OsmSharp.Logging.Log.Enable();
OsmSharp.Logging.Log.RegisterListener(new OsmSharp.Android.UI.Log.LogTraceListener());
// initialize map.
var map = new Map();
// add a tile layer.
//map.AddLayer(new LayerTile(@"http://otile1.mqcdn.com/tiles/1.0.0/osm/{0}/{1}/{2}.png"));
// add an online osm-data->mapCSS translation layer.
//map.AddLayer(new OsmLayer(dataSource, mapCSSInterpreter));
// add a pre-processed vector data file.
var sceneStream = Assembly.GetExecutingAssembly().GetManifestResourceStream(@"OsmSharp.Android.UI.Sample.default.map");
map.AddLayer(new LayerScene(Scene2D.Deserialize(sceneStream, true)));
// define dummy from and to points.
var from = new GeoCoordinate(51.261203, 4.780760);
var to = new GeoCoordinate(51.267797, 4.801362);
// deserialize the pre-processed graph.
var routingSerializer = new CHEdgeDataDataSourceSerializer(false);
TagsCollectionBase metaData = null;
var graphStream = Assembly.GetExecutingAssembly().GetManifestResourceStream("OsmSharp.Android.UI.Sample.kempen-big.osm.pbf.routing");
var graphDeserialized = routingSerializer.Deserialize(graphStream, out metaData, true);
// initialize router.
_router = Router.CreateCHFrom(graphDeserialized, new CHRouter(), new OsmRoutingInterpreter());
// resolve points.
RouterPoint routerPoint1 = _router.Resolve(Vehicle.Car, from);
RouterPoint routerPoint2 = _router.Resolve(Vehicle.Car, to);
// calculate route.
Route route = _router.Calculate(Vehicle.Car, routerPoint1, routerPoint2);
RouteTracker routeTracker = new RouteTracker(route, new OsmRoutingInterpreter());
_enumerator = route.GetRouteEnumerable(10).GetEnumerator();
// add a router layer.
_routeLayer = new LayerRoute(map.Projection);
_routeLayer.AddRoute(route, SimpleColor.FromKnownColor(KnownColor.Blue, 125).Value, 12);
map.AddLayer(_routeLayer);
// define the mapview.
_mapView = new MapView(this, new MapViewSurface(this));
//_mapView = new MapView(this, new MapViewGLSurface(this));
//_mapView.MapTapEvent += new MapViewEvents.MapTapEventDelegate(_mapView_MapTapEvent);
_mapView.Map = map;
_mapView.MapMaxZoomLevel = 20;
_mapView.MapMinZoomLevel = 10;
_mapView.MapTilt = 0;
_mapView.MapCenter = new GeoCoordinate(51.26371, 4.78601);
_mapView.MapZoom = 18;
// add markers.
_mapView.AddMarker(from);
_mapView.AddMarker(to);
// initialize a text view to display routing instructions.
_textView = new TextView(this);
_textView.SetBackgroundColor(global::Android.Graphics.Color.White);
_textView.SetTextColor(global::Android.Graphics.Color.Black);
// add the mapview to the linear layout.
var layout = new LinearLayout(this);
layout.Orientation = Orientation.Vertical;
layout.AddView(_textView);
layout.AddView(_mapView);
// create the route tracker animator.
_routeTrackerAnimator = new RouteTrackerAnimator(_mapView, routeTracker, 5, 17);
// simulate a number of gps-location update along the calculated route.
Timer timer = new Timer(250);
timer.Elapsed += new ElapsedEventHandler(TimerHandler);
timer.Start();
SetContentView(layout);
}
/// <summary>
/// Initializes the View property.
/// </summary>
public override void LoadView()
{
base.LoadView ();
// enable the logggin.
OsmSharp.Logging.Log.Enable();
OsmSharp.Logging.Log.RegisterListener(new OsmSharp.iOS.UI.Log.ConsoleTraceListener());
// initialize map.
var map = new Map();
// add a tile layer.
//map.AddLayer(new LayerTile(@"http://otile1.mqcdn.com/tiles/1.0.0/osm/{0}/{1}/{2}.png"));
// add an online osm-data->mapCSS translation layer.
//map.AddLayer(new OsmLayer(dataSource, mapCSSInterpreter));
// add a pre-processed vector data file.
var sceneStream = Assembly.GetExecutingAssembly().GetManifestResourceStream(
"OsmSharp.iOS.UI.Sample.kempen-big.osm.pbf.scene.layered");
map.AddLayer(new LayerScene(Scene2D.Deserialize(sceneStream, true)));
// define dummy from and to points.
var from = new GeoCoordinate(51.261203, 4.780760);
var to = new GeoCoordinate(51.267797, 4.801362);
// deserialize the pre-processed graph.
var routingSerializer = new CHEdgeDataDataSourceSerializer(false);
TagsCollectionBase metaData = null;
var graphStream = Assembly.GetExecutingAssembly().GetManifestResourceStream(
"OsmSharp.iOS.UI.Sample.kempen-big.osm.pbf.routing");
var graphDeserialized = routingSerializer.Deserialize(graphStream, out metaData, true);
// initialize router.
_router = Router.CreateCHFrom(graphDeserialized, new CHRouter(), new OsmRoutingInterpreter());
// resolve points.
RouterPoint routerPoint1 = _router.Resolve(Vehicle.Car, from);
RouterPoint routerPoint2 = _router.Resolve(Vehicle.Car, to);
// calculate route.
Route route = _router.Calculate(Vehicle.Car, routerPoint1, routerPoint2);
RouteTracker routeTracker = new RouteTracker(route, new OsmRoutingInterpreter());
_enumerator = route.GetRouteEnumerable(10).GetEnumerator();
// add a router layer.
_routeLayer = new LayerRoute(map.Projection);
_routeLayer.AddRoute (route, SimpleColor.FromKnownColor(KnownColor.Blue, 125).Value, 12);
map.AddLayer(_routeLayer);
// define the mapview.
_mapView = new MapView();
//_mapView.MapTapEvent += new MapViewEvents.MapTapEventDelegate(_mapView_MapTapEvent);
_mapView.Map = map;
_mapView.MapMaxZoomLevel = 20;
_mapView.MapMinZoomLevel = 10;
_mapView.MapTilt = 0;
_mapView.MapCenter = new GeoCoordinate(51.26371, 4.78601);
_mapView.MapZoom = 18;
// add markers.
_mapView.AddMarker (from);
_mapView.AddMarker (to);
// create the route tracker animator.
_routeTrackerAnimator = new RouteTrackerAnimator(_mapView, routeTracker, 5, 17);
// simulate a number of gps-location update along the calculated route.
Timer timer = new Timer(250);
timer.Elapsed += new ElapsedEventHandler(TimerHandler);
timer.Start();
View = _mapView;
}
/// <summary>
/// Flushes all data.
/// </summary>
public override void Flush()
{
base.Flush();
// compress the graph.
INodeWitnessCalculator witnessCalculator = new DykstraWitnessCalculator();
var edgeDifference = new EdgeDifference(
_graph, witnessCalculator);
var preProcessor = new CHPreProcessor(
_graph, edgeDifference, witnessCalculator);
preProcessor.Start();
// create tags.
TagsCollectionBase metaTags = new TagsCollection();
// create serializer.
var routingSerializer = new CHEdgeDataDataSourceSerializer(true);
routingSerializer.Serialize(_graphStream, _graph, metaTags);
_graphStream.Flush();
}
public void TestCHDataSourceTopologicalSortTest()
{
const string embeddedString = "OsmSharp.Test.Unittests.test_network_real1.osm";
// creates a new interpreter.
var interpreter = new OsmRoutingInterpreter();
// do the data processing.
var original = CHEdgeGraphOsmStreamTarget.Preprocess(new XmlOsmStreamSource(
Assembly.GetExecutingAssembly()
.GetManifestResourceStream(embeddedString)),
interpreter,
Vehicle.Car);
CHEdgeDataDataSourceSerializer serializer = new CHEdgeDataDataSourceSerializer(true);
var sortedGraph = serializer.SortGraph(original);
original = CHEdgeGraphOsmStreamTarget.Preprocess(new XmlOsmStreamSource(
Assembly.GetExecutingAssembly()
.GetManifestResourceStream(embeddedString)),
interpreter,
Vehicle.Car);
var basicRouterOriginal = new CHRouter();
Router referenceRouter = Router.CreateCHFrom(
original, basicRouterOriginal, interpreter);
// try to do some routing on the deserialized version.
var basicRouter = new CHRouter();
Router router = Router.CreateCHFrom(
new DynamicGraphRouterDataSource<CHEdgeData>(sortedGraph, original.TagsIndex), basicRouter, interpreter);
// loop over all nodes and resolve their locations.
var resolvedReference = new RouterPoint[original.VertexCount];
var resolved = new RouterPoint[original.VertexCount];
for (uint idx = 1; idx < original.VertexCount + 1; idx++)
{ // resolve each vertex.
float latitude, longitude;
if (original.GetVertex(idx, out latitude, out longitude))
{
resolvedReference[idx - 1] = referenceRouter.Resolve(Vehicle.Car, new GeoCoordinate(latitude, longitude));
resolved[idx - 1] = router.Resolve(Vehicle.Car, new GeoCoordinate(latitude, longitude));
}
Assert.IsNotNull(resolvedReference[idx - 1]);
Assert.IsNotNull(resolved[idx - 1]);
//Assert.AreEqual(resolvedReference[idx - 1].Location.Latitude,
// resolved[idx - 1].Location.Latitude, 0.0001);
//Assert.AreEqual(resolvedReference[idx - 1].Location.Longitude,
// resolved[idx - 1].Location.Longitude, 0.0001);
}
//// check all the routes having the same weight(s).
//for (int fromIdx = 0; fromIdx < resolved.Length; fromIdx++)
//{
// for (int toIdx = 0; toIdx < resolved.Length; toIdx++)
// {
// OsmSharpRoute referenceRoute = referenceRouter.Calculate(Vehicle.Car,
// resolvedReference[fromIdx], resolvedReference[toIdx]);
// OsmSharpRoute route = router.Calculate(Vehicle.Car,
// resolved[fromIdx], resolved[toIdx]);
// Assert.IsNotNull(referenceRoute);
// Assert.IsNotNull(route);
// //Assert.AreEqual(referenceRoute.TotalDistance, route.TotalDistance, 0.1);
// // TODO: meta data is missing in some CH routing; see issue
// //Assert.AreEqual(reference_route.TotalTime, route.TotalTime, 0.0001);
// }
//}
}
public static Stream TestSerialization(string name, string pbfFile, DynamicGraphRouterDataSource<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 CHEdgeDataDataSourceSerializer();
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 static void Initialize()
{
var routingSerializer = new CHEdgeDataDataSourceSerializer();
_graph = routingSerializer.Deserialize(
Assembly.GetExecutingAssembly().GetManifestResourceStream(@"Android.Routing.Offline.kempen-big.osm.pbf.contracted.mobile.routing"));
}
/// <summary>
/// Tests routing between two points and the associated instructions.
/// </summary>
/// <param name="name"></param>
/// <param name="stream"></param>
/// <param name="from"></param>
/// <param name="to"></param>
public static void TestSerializeRoutingInstrictions(string name, Stream stream,
GeoCoordinate from, GeoCoordinate to)
{
PerformanceInfoConsumer performanceInfo = new PerformanceInfoConsumer("CHSerializedRouting");
performanceInfo.Start();
performanceInfo.Report("Routing & generating instructions...");
TagsCollectionBase metaData = null;
var routingSerializer = new CHEdgeDataDataSourceSerializer(true);
var graphDeserialized = routingSerializer.Deserialize(
stream, out metaData, true);
var interpreter = new OsmRoutingInterpreter();
var router = Router.CreateCHFrom(
graphDeserialized, new CHRouter(),
interpreter);
RouterPoint fromPoint = router.Resolve(Vehicle.Car, from);
RouterPoint toPoint = router.Resolve(Vehicle.Car, to);
List<Instruction> instructions = new List<Instruction>();
if (fromPoint != null && toPoint != null)
{
Route route = router.Calculate(Vehicle.Car, fromPoint, toPoint);
if (route != null)
{
instructions = InstructionGenerator.Generate(route, interpreter);
}
}
performanceInfo.Stop();
if (instructions.Count == 0)
{
OsmSharp.Logging.Log.TraceEvent("CHSerializedRouting", OsmSharp.Logging.TraceEventType.Information,
"Routing unsuccesfull!");
}
else
{
foreach (Instruction instruction in instructions)
{
OsmSharp.Logging.Log.TraceEvent("CHSerializedRouting", OsmSharp.Logging.TraceEventType.Information,
instruction.Text);
}
}
}
/// <summary>
/// Creates a router.
/// </summary>
/// <param name="interpreter"></param>
/// <param name="manifestResourceName"></param>
/// <returns></returns>
protected override Router CreateRouter(IOsmRoutingInterpreter interpreter, string manifestResourceName)
{
var tagsIndex = new TagsTableCollectionIndex();
// do the data processing.
var source = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream(manifestResourceName));
var data = CHEdgeGraphOsmStreamTarget.Preprocess(
source, new OsmRoutingInterpreter(), Vehicle.Car);
// serialize.
var memoryStream = new MemoryStream();
TagsCollectionBase metaData = new TagsCollection();
metaData.Add("some_key", "some_value");
var routingSerializer = new CHEdgeDataDataSourceSerializer();
routingSerializer.Serialize(memoryStream, data, metaData);
memoryStream.Seek(0, SeekOrigin.Begin);
var deserialized = routingSerializer.Deserialize(memoryStream);
return Router.CreateCHFrom(deserialized, new CHRouter(), new OsmRoutingInterpreter());
}
/// <summary>
/// Raises the create event.
/// </summary>
/// <param name="bundle">Bundle.</param>
protected override void OnCreate(Bundle bundle)
{
base.OnCreate (bundle);
// enable the logggin.
OsmSharp.Logging.Log.Enable();
OsmSharp.Logging.Log.RegisterListener(new OsmSharp.Android.UI.Log.LogTraceListener());
// initialize map.
var map = new Map();
// add a tile layer.
//map.AddLayer(new LayerTile(@"http://otile1.mqcdn.com/tiles/1.0.0/osm/{0}/{1}/{2}.png"));
// add an online osm-data->mapCSS translation layer.
//map.AddLayer(new OsmLayer(dataSource, mapCSSInterpreter));
// add a pre-processed vector data file.
var sceneStream = Assembly.GetExecutingAssembly().GetManifestResourceStream(@"OsmSharp.Android.UI.Sample.kempen-big.osm.pbf.scene.layered");
map.AddLayer(new LayerScene(Scene2D.Deserialize(sceneStream, true)));
// define dummy from and to points.
var from = new GeoCoordinate(51.261203, 4.780760);
var to = new GeoCoordinate(51.267797, 4.801362);
// deserialize the pre-processed graph.
var routingSerializer = new CHEdgeDataDataSourceSerializer(false);
TagsCollectionBase metaData = null;
var graphStream = Assembly.GetExecutingAssembly().GetManifestResourceStream("OsmSharp.Android.UI.Sample.kempen-big.osm.pbf.routing");
var graphDeserialized = routingSerializer.Deserialize(graphStream, out metaData, true);
// initialize router.
_router = Router.CreateCHFrom(graphDeserialized, new CHRouter(), new OsmRoutingInterpreter());
// resolve points.
RouterPoint routerPoint1 = _router.Resolve(Vehicle.Car, from);
RouterPoint routerPoint2 = _router.Resolve(Vehicle.Car, to);
// calculate route.
Route route = _router.Calculate(Vehicle.Car, routerPoint1, routerPoint2);
RouteTracker routeTracker = new RouteTracker(route, new OsmRoutingInterpreter());
_enumerator = route.GetRouteEnumerable(10).GetEnumerator();
// add a router layer.
_routeLayer = new LayerRoute(map.Projection);
_routeLayer.AddRoute (route, SimpleColor.FromKnownColor(KnownColor.Blue, 125).Value, 12);
map.AddLayer(_routeLayer);
// define the mapview.
_mapView = new MapView(this, new MapViewSurface(this));
//_mapView = new MapView(this, new MapViewGLSurface(this));
//_mapView.MapTapEvent += new MapViewEvents.MapTapEventDelegate(_mapView_MapTapEvent);
(_mapView as IMapView).AutoInvalidate = true;
_mapView.Map = map;
_mapView.MapMaxZoomLevel = 20;
_mapView.MapMinZoomLevel = 10;
_mapView.MapTilt = 0;
_mapView.MapCenter = new GeoCoordinate(51.26371, 4.78601);
_mapView.MapZoom = 18;
// add markers.
_mapView.AddMarker (from);
_mapView.AddMarker (to);
// initialize a text view to display routing instructions.
_textView = new TextView(this);
_textView.SetBackgroundColor(global::Android.Graphics.Color.White);
_textView.SetTextColor(global::Android.Graphics.Color.Black);
// add the mapview to the linear layout.
var layout = new LinearLayout(this);
layout.Orientation = Orientation.Vertical;
layout.AddView(_textView);
layout.AddView(_mapView);
// create the route tracker animator.
_routeTrackerAnimator = new RouteTrackerAnimator(_mapView, routeTracker, 5, 18);
// simulate a number of gps-location update along the calculated route.
Timer timer = new Timer(500);
timer.Elapsed += new ElapsedEventHandler(TimerHandler);
timer.Start();
SetContentView (layout);
}
