public static MapRoute ToBingMapRoute(this GeoRoute route, int level)
{
MapRoute maproute = new MapRoute(level);
foreach (PointLatLng pos in route)
{
maproute.Add(BingMapTileSystem.LatLngToPixelXY(pos, level));
}
return(maproute);
}
public static GeoRoute BingMapToGeoRoute(this MapRoute route)
{
GeoRoute georoute = new GeoRoute();
foreach (PointInt pos in route)
{
georoute.Add(BingMapTileSystem.PixelXYToLatLong(pos, route.Level));
}
return(georoute);
}
private string MakeImageUrl(RawTile tile, string language)
{
string key = BingMapTileSystem.TileXYToQuadKey(tile.TileXY, tile.Level);
switch (tile.Type)
{
case MapType.BingMap:
return(string.Format("http://ecn.t{0}.tiles.virtualearth.net/tiles/r{1}.png?g={2}&mkt={3}{4}",
GetServerNum(tile.TileXY, 4), key, VersionBingMaps, language, !string.IsNullOrEmpty(BingMapsClientToken) ? "&token=" + BingMapsClientToken : string.Empty));
case MapType.BingSatellite:
return(string.Format("http://ecn.t{0}.tiles.virtualearth.net/tiles/a{1}.jpeg?g={2}&mkt={3}{4}",
GetServerNum(tile.TileXY, 4), key, VersionBingMaps, language, !string.IsNullOrEmpty(BingMapsClientToken) ? "&token=" + BingMapsClientToken : string.Empty));
case MapType.BingHybrid:
return(string.Format("http://ecn.t{0}.tiles.virtualearth.net/tiles/h{1}.jpeg?g={2}&mkt={3}{4}",
GetServerNum(tile.TileXY, 4), key, VersionBingMaps, language, !string.IsNullOrEmpty(BingMapsClientToken) ? "&token=" + BingMapsClientToken : string.Empty));
case MapType.BingMapChinese:
return(string.Format("http://r2.tiles.ditu.live.com/tiles/r{0}.png?g=41", key));
}
return(null);
}
public override void OnUpdateMap(MapArea viewarea)
{
Stopwatch watch = Stopwatch.StartNew();
PointInt topleftTileXY = BingMapTileSystem.PixelXYToTileXY(viewarea.Area.TopLeft);
PointInt bottomrightTileXY = BingMapTileSystem.PixelXYToTileXY(viewarea.Area.BottomRight);
topleftTileXY.Offset(-2, -2);
bottomrightTileXY.Offset(2, 2);
if (topleftTileXY.X < 0)
{
topleftTileXY.X = 0;
}
if (topleftTileXY.Y < 0)
{
topleftTileXY.Y = 0;
}
int len = 1 << viewarea.Level;
if (bottomrightTileXY.X >= len)
{
bottomrightTileXY.X = len - 1;
}
if (bottomrightTileXY.Y >= len)
{
bottomrightTileXY.Y = len - 1;
}
List <PointInt> pointlist = new List <PointInt>();
for (int i = topleftTileXY.X; i <= bottomrightTileXY.X; i++)
{
for (int j = topleftTileXY.Y; j <= bottomrightTileXY.Y; j++)
{
pointlist.Add(new PointInt(i, j));
}
}
List <RawTile> toBeDel = new List <RawTile>();
foreach (RawTile tile in tileViewDict.Keys)
{
if (tile.Level == viewarea.Level)
{
pointlist.Remove(tile.TileXY);
}
RectInt tilerect = new RectInt(
(tile.TileXY.X - 1) * TileLength, (tile.TileXY.Y - 1) * TileLength, TileLength * 2, TileLength * 2);
if (tile.Level != viewarea.Level)// || !tilerect.HasIntersectsWith(viewarea.Area))
{
toBeDel.Add(tile);
}
}
foreach (RawTile tile in toBeDel)
{
tileViewDict.Remove(tile);
}
foreach (PointInt p in pointlist)
{
RawTile tileKey = new RawTile(this.MapType, p, viewarea.Level);
tileViewDict.Add(tileKey, null);
tileLoadManager.LoadTileAsync(tileKey);
}
watch.Stop();
//Debug.Write(" GetTiles: " + watch.Elapsed.TotalMilliseconds);
}
