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 TileLayer(ITileSource source = null, int minTiles = 200, int maxTiles = 300, int maxRetries = TileFetcher.DefaultMaxAttempts,
int maxThreads = TileFetcher.DefaultMaxThreads, IFetchStrategy fetchStrategy = null,
IRenderGetStrategy renderFetchStrategy = null, int minExtraTiles = -1, int maxExtraTiles = -1)
{
_memoryCache = new MemoryCache<Feature>(minTiles, maxTiles);
Style = new VectorStyle { Outline = { Color = Color.FromArgb(0, 0, 0, 0) } }; // initialize with transparent outline
_maxRetries = maxRetries;
_maxThreads = maxThreads;
_fetchStrategy = fetchStrategy ?? new FetchStrategy();
_renderFetchStrategy = renderFetchStrategy ?? new RenderGetStrategy();
_minExtraTiles = minExtraTiles;
_maxExtraTiles = maxExtraTiles;
SetTileSource(source);
}
/// <summary>
/// Create tile layer for given tile source
/// </summary>
/// <param name="source">Tile source to use for this layer</param>
/// <param name="minTiles">Minimum number of tiles to cache</param>
/// <param name="maxTiles">Maximum number of tiles to cache</param>
/// <param name="maxRetries">Unused</param>
/// <param name="fetchStrategy">Strategy to get list of tiles for given extent</param>
/// <param name="renderFetchStrategy"></param>
/// <param name="minExtraTiles">Number of minimum extra tiles for memory cache</param>
/// <param name="maxExtraTiles">Number of maximum extra tiles for memory cache</param>
// ReSharper disable once UnusedParameter.Local // Is public and won't break this now
public TileLayer(ITileSource source = null, int minTiles = 200, int maxTiles = 300, int maxRetries = 2, IFetchStrategy fetchStrategy = null,
IRenderGetStrategy renderFetchStrategy = null, int minExtraTiles = -1, int maxExtraTiles = -1)
{
MemoryCache = new MemoryCache<Feature>(minTiles, maxTiles);
Style = new VectorStyle { Outline = { Color = Color.FromArgb(0, 0, 0, 0) } }; // initialize with transparent outline
var fetchStrategy1 = fetchStrategy ?? new FetchStrategy(3);
_renderStrategy = renderFetchStrategy ?? new RenderGetStrategy();
_minExtraTiles = minExtraTiles;
_maxExtraTiles = maxExtraTiles;
_tileFetchDispatcher = new TileFetchDispatcher(MemoryCache, fetchStrategy1);
_tileFetchDispatcher.DataChanged += TileFetchDispatcherOnDataChanged;
_tileFetchDispatcher.PropertyChanged += TileFetchDispatcherOnPropertyChanged;
_fetchMachine = new FetchMachine(_tileFetchDispatcher);
SetTileSource(source);
}
public TileLayer(ITileSource source = null, int minTiles = 200, int maxTiles = 300, int maxRetries = TileFetcher.DefaultMaxAttempts,
int maxThreads = TileFetcher.DefaultMaxThreads, IFetchStrategy fetchStrategy = null,
IRenderGetStrategy renderFetchStrategy = null, int minExtraTiles = -1, int maxExtraTiles = -1)
{
_memoryCache = new MemoryCache <Feature>(minTiles, maxTiles);
Style = new VectorStyle {
Outline = { Color = Color.FromArgb(0, 0, 0, 0) }
}; // initialize with transparent outline
_maxRetries = maxRetries;
_maxThreads = maxThreads;
_fetchStrategy = fetchStrategy ?? new FetchStrategy();
_renderFetchStrategy = renderFetchStrategy ?? new RenderGetStrategy();
_minExtraTiles = minExtraTiles;
_maxExtraTiles = maxExtraTiles;
SetTileSource(source);
}
/// <summary>
/// Create tile layer for given tile source
/// </summary>
/// <param name="source">Tile source to use for this layer</param>
/// <param name="minTiles">Minimum number of tiles to cache</param>
/// <param name="maxTiles">Maximum number of tiles to cache</param>
/// <param name="maxRetries">Unused</param>
/// <param name="fetchStrategy">Strategy to get list of tiles for given extent</param>
/// <param name="renderGetStrategy"></param>
/// <param name="minExtraTiles">Number of minimum extra tiles for memory cache</param>
/// <param name="maxExtraTiles">Number of maximum extra tiles for memory cache</param>
// ReSharper disable once UnusedParameter.Local // Is public and won't break this now
public TileLayer(ITileSource source = null, int minTiles = 200, int maxTiles = 300,
IFetchStrategy fetchStrategy = null, IRenderGetStrategy renderGetStrategy = null,
int minExtraTiles = -1, int maxExtraTiles = -1, Func <TileInfo, Feature> fetchTileAsFeature = null)
{
MemoryCache = new MemoryCache <Feature>(minTiles, maxTiles);
Style = new VectorStyle {
Outline = { Color = Color.FromArgb(0, 0, 0, 0) }
}; // initialize with transparent outline
_tileSource = source;
_envelope = _tileSource?.Schema?.Extent.ToBoundingBox();
fetchStrategy = fetchStrategy ?? new FetchStrategy(3);
_renderGetStrategy = renderGetStrategy ?? new RenderGetStrategy();
_minExtraTiles = minExtraTiles;
_maxExtraTiles = maxExtraTiles;
_tileFetchDispatcher = new TileFetchDispatcher(MemoryCache, source.Schema, fetchTileAsFeature ?? ToFeature, fetchStrategy);
_tileFetchDispatcher.DataChanged += TileFetchDispatcherOnDataChanged;
_tileFetchDispatcher.PropertyChanged += TileFetchDispatcherOnPropertyChanged;
}
