/// <summary> /// Executes the CH contractions while verifying each step. /// </summary> /// <param name="stream"></param> public void DoTestCHEdgeDifferenceVerifiedContraction(Stream stream) { _interpreter = new OsmRoutingInterpreter(); OsmTagsIndex tags_index = new OsmTagsIndex(); // do the data processing. _data = new DynamicGraphRouterDataSource<CHEdgeData>(tags_index); CHEdgeDataGraphProcessingTarget target_data = new CHEdgeDataGraphProcessingTarget( _data, _interpreter, _data.TagsIndex, VehicleEnum.Car); XmlDataProcessorSource data_processor_source = new XmlDataProcessorSource(stream); DataProcessorFilterSort sorter = new DataProcessorFilterSort(); sorter.RegisterSource(data_processor_source); target_data.RegisterSource(sorter); target_data.Pull(); // do the pre-processing part. DykstraWitnessCalculator witness_calculator = new DykstraWitnessCalculator( _data); CHPreProcessor pre_processor = new CHPreProcessor(_data, new EdgeDifference(_data, witness_calculator), witness_calculator); pre_processor.OnBeforeContractionEvent += new CHPreProcessor.VertexDelegate(pre_processor_OnBeforeContractionEvent); pre_processor.OnAfterContractionEvent += new CHPreProcessor.VertexDelegate(pre_processor_OnAfterContractionEvent); pre_processor.Start(); }
/// <summary> /// Returns a new router. /// </summary> /// <param name="interpreter"></param> /// <param name="embedded_name"></param> /// <returns></returns> public override IRouter<RouterPoint> BuildRouter(IRoutingInterpreter interpreter, string embedded_name) { if (_data == null) { _data = new Dictionary<string, DynamicGraphRouterDataSource<CHEdgeData>>(); } DynamicGraphRouterDataSource<CHEdgeData> data = null; if (!_data.TryGetValue(embedded_name, out data)) { OsmTagsIndex tags_index = new OsmTagsIndex(); // do the data processing. data = new DynamicGraphRouterDataSource<CHEdgeData>(tags_index); CHEdgeDataGraphProcessingTarget target_data = new CHEdgeDataGraphProcessingTarget( data, interpreter, data.TagsIndex, VehicleEnum.Car); XmlDataProcessorSource data_processor_source = new XmlDataProcessorSource( Assembly.GetExecutingAssembly().GetManifestResourceStream(string.Format( "OsmSharp.UnitTests.{0}", embedded_name))); DataProcessorFilterSort sorter = new DataProcessorFilterSort(); sorter.RegisterSource(data_processor_source); target_data.RegisterSource(sorter); target_data.Pull(); // do the pre-processing part. CHPreProcessor pre_processor = new CHPreProcessor(data, new SparseOrdering(data), new DykstraWitnessCalculator(data)); pre_processor.Start(); _data[embedded_name] = data; } return new Router<CHEdgeData>(data, interpreter, new CHRouter( data)); }
/// <summary> /// Builds the data source. /// </summary> /// <returns></returns> private DynamicGraphRouterDataSource<CHEdgeData> BuildData(IRoutingInterpreter interpreter) { DynamicGraphRouterDataSource<CHEdgeData> data = null; if (data == null) { OsmTagsIndex tags_index = new OsmTagsIndex(); // do the data processing. data = new DynamicGraphRouterDataSource<CHEdgeData>(tags_index); CHEdgeDataGraphProcessingTarget target_data = new CHEdgeDataGraphProcessingTarget( data, interpreter, data.TagsIndex, VehicleEnum.Car); XmlDataProcessorSource data_processor_source = new XmlDataProcessorSource( Assembly.GetExecutingAssembly().GetManifestResourceStream("OsmSharp.UnitTests.test_network.osm")); DataProcessorFilterSort sorter = new DataProcessorFilterSort(); sorter.RegisterSource(data_processor_source); target_data.RegisterSource(sorter); target_data.Pull(); } return data; }
/// <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) { OsmRoutingInterpreter interpreter = new OsmRoutingInterpreter(); OsmTagsIndex tags_index = new OsmTagsIndex(); // do the data processing. DynamicGraphRouterDataSource<CHEdgeData> data = new DynamicGraphRouterDataSource<CHEdgeData>(tags_index); CHEdgeDataGraphProcessingTarget target_data = new CHEdgeDataGraphProcessingTarget( data, interpreter, data.TagsIndex, VehicleEnum.Car); XmlDataProcessorSource data_processor_source = new XmlDataProcessorSource(stream); DataProcessorFilterSort sorter = new DataProcessorFilterSort(); sorter.RegisterSource(data_processor_source); target_data.RegisterSource(sorter); target_data.Pull(); return data; }