/// <summary>
/// Creates a new huge coordinate index.
/// </summary>
/// <param name="factory"></param>
/// <param name="size"></param>
public HugeCoordinateIndex(MemoryMappedFileFactory factory, long size)
: this(new MemoryMappedHugeArray<float>(factory, size * 2))
{
}
/// <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)
{
var testFile = new FileInfo(string.Format(@".\TestFiles\{0}", pbfFile));
var performanceInfo = new PerformanceInfoConsumer("LiveSerializerFlatFile.Serialize", 100000);
performanceInfo.Start();
performanceInfo.Report("Pulling from {0}...", testFile.Name);
var stream = testFile.OpenRead();
var source = new PBFOsmStreamSource(stream);
var progress = new OsmStreamFilterProgress();
progress.RegisterSource(source);
var testOutputFile = new FileInfo(@"test.routing");
testOutputFile.Delete();
Stream writeStream = testOutputFile.OpenWrite();
var tagsIndex = new TagsTableCollectionIndex();
var interpreter = new OsmRoutingInterpreter();
var graph = new DynamicGraphRouterDataSource<LiveEdge>(tagsIndex);
var routingSerializer = new LiveEdgeFlatfileSerializer();
// read from the OSM-stream.
using (var fileFactory = new MemoryMappedFileFactory(@"d:\temp\"))
{
using (var memoryMappedGraph = new MemoryMappedGraph<LiveEdge>(10000, fileFactory))
{
using (var coordinates = new HugeCoordinateIndex(fileFactory, 10000))
{
var memoryData = new DynamicGraphRouterDataSource<LiveEdge>(memoryMappedGraph, tagsIndex);
var targetData = new LiveGraphOsmStreamTarget(memoryData, new OsmRoutingInterpreter(), tagsIndex, coordinates);
targetData.RegisterSource(progress);
targetData.Pull();
performanceInfo.Stop();
performanceInfo = new PerformanceInfoConsumer("LiveSerializerFlatFile.Serialize", 100000);
performanceInfo.Start();
performanceInfo.Report("Writing file for {0}...", testFile.Name);
var metaData = new TagsCollection();
metaData.Add("some_key", "some_value");
routingSerializer.Serialize(writeStream, memoryData, metaData);
}
}
}
stream.Dispose();
writeStream.Dispose();
OsmSharp.Logging.Log.TraceEvent("LiveSerializerFlatFile", OsmSharp.Logging.TraceEventType.Information,
string.Format("Serialized file: {0}KB", testOutputFile.Length / 1024));
performanceInfo.Stop();
performanceInfo = new PerformanceInfoConsumer("LiveSerializerFlatFile.Serialize", 100000);
performanceInfo.Start();
performanceInfo.Report("Reading file for {0}...", testFile.Name);
var testInputFile = new FileInfo(@"europe-latest.osm.pbf.routing");
Stream readStream = testInputFile.OpenRead();
var deserializedGraph = routingSerializer.Deserialize(readStream, false);
readStream.Dispose();
OsmSharp.Logging.Log.TraceEvent("LiveSerializerFlatFile", OsmSharp.Logging.TraceEventType.Information,
string.Format("Read: {0}KB", testInputFile.Length / 1024));
OsmSharp.Logging.Log.TraceEvent("LiveSerializerFlatFile", Logging.TraceEventType.Information, deserializedGraph.ToInvariantString());
performanceInfo.Stop();
}
/// <summary>
/// Creates a new huge coordinate index.
/// </summary>
/// <param name="factory"></param>
/// <param name="size"></param>
public HugeCoordinateCollectionIndex(MemoryMappedFileFactory factory, long size)
{
_index = new MemoryMappedHugeArray<ulong>(factory, size);
_coordinates = new MemoryMappedHugeArray<float>(factory, size * 2 * ESTIMATED_SIZE);
for (long idx = 0; idx < _index.Length; idx++)
{
_index[idx] = 0;
}
for (long idx = 0; idx < _coordinates.Length; idx++)
{
_coordinates[idx] = float.MinValue;
}
}