public static HttpTileSource Create(
KartverketTileSource source = KartverketTileSource.Topografisk,
Func <Uri, byte[]> tileFetcher = null,
IPersistentCache <byte[]> persistentCache = null) =>
new HttpTileSource(
new GlobalSphericalMercator(zoomLevels: TileSourceToZoomLevels(source)),
"https://{s}.statkart.no/gatekeeper/gk/gk.open_gmaps?layers=" + TileSourceToLayer(source) + "&zoom={z}&x={x}&y={y}",
serverNodes: new[] { "opencache", "opencache2", "opencache3" },
persistentCache: persistentCache,
name: source.ToString(),
attribution: attribution,
tileFetcher: tileFetcher);
private static string TileSourceToLayer(KartverketTileSource source) =>
source switch
{
