/// <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>
/// 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;
}
/// <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));
}