public MapTileInfo ZoomIn(string quadIndex)
{
if (Zoom == 23)
{
return(this);
}
TileUtils.QuadKeyToTileXY(string.Concat(TileUtils.TileXYToQuadKey(X, Y, Zoom), quadIndex), out int x0, out int y0, out int z0);
return(new MapTileInfo(x0, y0, z0, this.TileSize));
}
public MapTileInfo ZoomOut()
{
if (Zoom == 1)
{
return(this);
}
var quadKey = TileUtils.TileXYToQuadKey(X, Y, Zoom);
TileUtils.QuadKeyToTileXY(quadKey.Substring(0, quadKey.Length - 1), out int x0, out int y0, out int z0);
return(new MapTileInfo(x0, y0, z0, this.TileSize));
}