public IEnumerable <OsmGeo> GetTile(uint t)
{
// TODO: async this and use task.delay below to prevent thread starvation!
// wait until tile is removed from queue.
while (true)
{
lock (Lock)
{
if (_tiles.ContainsKey(t))
{
Thread.Sleep(200);
}
else
{
_tiles[t] = t;
break;
}
}
}
try
{
var z = 14;
var(x, y) = TileStatic.ToTile(z, t);
var tileUrlFormatted = _tileUrl.Replace("{x}", x.ToString())
.Replace("{y}", y.ToString())
.Replace("{z}", z.ToString());
var stream = _downloader.Download(tileUrlFormatted, _cachePath);
if (stream == null)
{
return(Enumerable.Empty <OsmGeo>());
}
try
{
return((new XmlOsmStreamSource(stream)).ToList());
}
catch (Exception e)
{
_logger.LogWarning(e, "Failed to parse tile: {z}{x}/{y}.", 14, x, y);
return(Enumerable.Empty <OsmGeo>());
}
}
finally
{
_tiles.Remove(t, out _);
}
}
static async Task Main(string[] args)
{
var logFile = Path.Combine("logs", "log-{Date}.txt");
Log.Logger = new LoggerConfiguration()
#if DEBUG
.MinimumLevel.Debug()
#else
.MinimumLevel.Information()
#endif
.Enrich.FromLogContext()
.WriteTo.RollingFile(new JsonFormatter(), logFile)
.WriteTo.Console()
.CreateLogger();
var cacheFolder = "/media/xivk/2T-SSD-EXT/temp";
var tileUrl = "https://data1.anyways.eu/tiles/full/20200628-150902/14/{x}/{y}.osm";
var osmTileSource = new OsmTileSource(tileUrl, cacheFolder);
bool IsBarrier(TagsCollectionBase?tags)
{
if (tags == null)
{
return(false);
}
return(DefaultMergeFactorCalculator.Barriers.TryCalculateValue(tags, out _));
}
var box = ((4.604644775390625,
51.382066781130575), (4.94384765625,
51.19655766797793));
var tiles = box.TilesFor(14).Select(x => TileStatic.ToLocalId(x, 14));
foreach (var tile in tiles)
{
Log.Information($"Processing tile {TileStatic.ToTile(14, tile)}...");
await TiledBarrierGraphBuilder.BuildForTile(tile, cacheFolder, x =>
{
Log.Information($"Fetching OSM data tile {TileStatic.ToTile(14, x)}...");
return(osmTileSource.GetTile(x));
}, IsBarrier);
}
}
