/// <summary> /// Builds the data. /// </summary> /// <param name="interpreter"></param> /// <param name="embeddedString"></param> /// <returns></returns> public override IBasicRouterDataSource <CHEdgeData> BuildData(IRoutingInterpreter interpreter, string embeddedString) { string key = string.Format("CHEdgeDifference.Routing.IBasicRouterDataSource<CHEdgeData>.OSM.{0}", embeddedString); var data = StaticDictionary.Get <IBasicRouterDataSource <CHEdgeData> >( key); if (data == null) { var tagsIndex = new SimpleTagsIndex(); // do the data processing. var memoryData = new DynamicGraphRouterDataSource <CHEdgeData>(tagsIndex); var targetData = new CHEdgeGraphOsmStreamWriter( memoryData, interpreter, memoryData.TagsIndex, Vehicle.Car); var dataProcessorSource = new XmlOsmStreamSource( Assembly.GetExecutingAssembly().GetManifestResourceStream(embeddedString)); var sorter = new OsmStreamFilterSort(); sorter.RegisterSource(dataProcessorSource); targetData.RegisterSource(sorter); targetData.Pull(); // do the pre-processing part. var witnessCalculator = new DykstraWitnessCalculator(memoryData); var preProcessor = new CHPreProcessor(memoryData, new EdgeDifference(memoryData, witnessCalculator), witnessCalculator); preProcessor.Start(); data = memoryData; StaticDictionary.Add <IBasicRouterDataSource <CHEdgeData> >(key, data); } return(data); }
/// <summary> /// Returns a new router. /// </summary> /// <param name="interpreter"></param> /// <param name="embeddedName"></param> /// <returns></returns> public override Router BuildRouter(IRoutingInterpreter interpreter, string embeddedName) { if (_data == null) { _data = new Dictionary <string, DynamicGraphRouterDataSource <CHEdgeData> >(); } DynamicGraphRouterDataSource <CHEdgeData> data = null; if (!_data.TryGetValue(embeddedName, out data)) { var tagsIndex = new SimpleTagsIndex(); // do the data processing. data = new DynamicGraphRouterDataSource <CHEdgeData>(tagsIndex); var targetData = new CHEdgeGraphOsmStreamWriter( data, interpreter, data.TagsIndex, Vehicle.Car); var dataProcessorSource = new XmlOsmStreamSource( Assembly.GetExecutingAssembly().GetManifestResourceStream(string.Format( "OsmSharp.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(data)); preProcessor.Start(); _data[embeddedName] = data; } return(Router.CreateCHFrom(data, new CHRouter( data), 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 SimpleTagsIndex(); // do the data processing. _data = new DynamicGraphRouterDataSource <CHEdgeData>(tagsIndex); var targetData = new CHEdgeGraphOsmStreamWriter( _data, _interpreter, _data.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(_data); 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> /// Builds the data. /// </summary> /// <param name="interpreter"></param> /// <param name="embeddedString"></param> /// <returns></returns> public override IBasicRouterDataSource <CHEdgeData> BuildData(IRoutingInterpreter interpreter, string embeddedString) { var tagsIndex = new SimpleTagsIndex(); // do the data processing. var memoryData = new DynamicGraphRouterDataSource <CHEdgeData>(tagsIndex); var targetData = new CHEdgeGraphOsmStreamWriter( memoryData, interpreter, memoryData.TagsIndex, Vehicle.Car); var dataProcessorSource = new XmlOsmStreamSource( Assembly.GetExecutingAssembly().GetManifestResourceStream(embeddedString)); var sorter = new OsmStreamFilterSort(); sorter.RegisterSource(dataProcessorSource); targetData.RegisterSource(sorter); targetData.Pull(); // do the pre-processing part. var preProcessor = new CHPreProcessor(memoryData, new SparseOrdering(memoryData), new DykstraWitnessCalculator(memoryData)); preProcessor.Start(); return(memoryData); }
/// <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 SimpleTagsIndex(); // do the data processing. var data = new DynamicGraphRouterDataSource <CHEdgeData>(tagsIndex); var targetData = new CHEdgeGraphOsmStreamWriter( data, interpreter, data.TagsIndex, Vehicle.Car); var dataProcessorSource = new XmlOsmStreamSource(stream); var sorter = new OsmStreamFilterSort(); sorter.RegisterSource(dataProcessorSource); targetData.RegisterSource(sorter); targetData.Pull(); return(data); }
/// <summary> /// Builds the data source. /// </summary> /// <returns></returns> private DynamicGraphRouterDataSource <CHEdgeData> BuildData(IRoutingInterpreter interpreter) { DynamicGraphRouterDataSource <CHEdgeData> data = null; if (data == null) { var tagsIndex = new SimpleTagsIndex(); // do the data processing. data = new DynamicGraphRouterDataSource <CHEdgeData>(tagsIndex); var targetData = new CHEdgeGraphOsmStreamWriter( data, interpreter, data.TagsIndex, Vehicle.Car); var dataProcessorSource = new XmlOsmStreamSource( Assembly.GetExecutingAssembly().GetManifestResourceStream("OsmSharp.UnitTests.test_network.osm")); var sorter = new OsmStreamFilterSort(); sorter.RegisterSource(dataProcessorSource); targetData.RegisterSource(sorter); targetData.Pull(); } return(data); }