public VectorTileLayer(ITileSource tileSource, RenderGetStrategy renderStrategy = null)
{
_tileSource = tileSource;
_tileFetcher = new TileFetcher(_tileSource, _tileCache, 1, 4, _fetchStrategy);
_tileFetcher.DataChanged += TileFetcherOnDataChanged;
_tileFetcher.PropertyChanged += TileFetcherOnPropertyChanged;
_renderStrategy = renderStrategy ?? new RenderGetStrategy();
}
public void GetFeaturesWithPartOfOptimalResolutionTilesMissing()
{
// arrange
var schema = new GlobalSphericalMercator();
var box = schema.Extent.ToBoundingBox();
const int levelId = 3;
var resolution = schema.Resolutions[levelId.ToString(CultureInfo.InvariantCulture)];
var memoryCache = PopulateMemoryCache(schema, new MemoryCache <Feature>(), levelId);
var renderGetStrategy = new RenderGetStrategy();
// act
var tiles = renderGetStrategy.GetFeatures(box, resolution.UnitsPerPixel, schema, memoryCache);
// assert
Assert.True(tiles.Count == 43);
}
public override IEnumerable <IFeature> GetFeaturesInView(BoundingBox box, double resolution)
{
var dictionary = new Dictionary <TileIndex, IFeature>();
if (Schema == null)
{
return(dictionary.Values);
}
var levelId = BruTile.Utilities.GetNearestLevel(Schema.Resolutions, resolution);
RenderGetStrategy.GetRecursive(dictionary, Schema, _memoryCache, box.ToExtent(), levelId);
var sortedDictionary = (from entry in dictionary orderby entry.Key ascending select entry).ToDictionary(pair => pair.Key, pair => pair.Value);
return(sortedDictionary.Values);
}
