protected virtual void OnTileLoaded(TileCoord tileCoord)
{
if (this.TileLoaded != null)
{
TileLoaded(this, tileCoord);
}
}
public override string GetRequestUrl(TileCoord tileCoord)
{
Extent tileExtent = _tileGrid.GetTileExtent(tileCoord);
string url = this._url;
if (!url.EndsWith("?"))
{
url += "?";
}
var paras = new Dictionary <string, object>();
_paras.ToList().ForEach(keyValue =>
{
paras.Add(keyValue.Key, keyValue.Value);
});
paras["TRANSPARENT"] = true;
paras.Add("WIDTH", this._tileGrid.TileSize.Width);
paras.Add("HEIGHT", this._tileGrid.TileSize.Height);
paras.Add("BBOX", tileExtent);
foreach (KeyValuePair <string, object> item in paras)
{
url += (item.Key + "=" + item.Value.ToString() + "&");
}
//Console.WriteLine(string.Format("x:{0},y:{1},zoom:{2},bbox:{3},url:{4}",tileCoord.X,tileCoord.Y,
// tileCoord.Zoom,tileExtent,url));
return(url);
}
public void Insert(TileCoord tile)
{
try
{
var sql = @"insert into FailTile(Zoom,X,Y) values(@Zoom,@X,@Y);";
int ret = 0;
using (var conn = new SQLiteConnection(_sqliteConnectionString))
{
ret = conn.Execute(sql, new
{
Zoom = tile.Zoom,
X = tile.X,
Y = tile.Y
});
}
if (ret > 0)
{
System.Threading.Interlocked.Increment(ref Count);
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
protected override string GetRequestUrl(TileCoord tileCoord)
{
string url = this._url;
url = string.Format(url, tileCoord.Zoom, Math.Abs(tileCoord.Y), Math.Abs(tileCoord.X));
return(url);
}
protected virtual string GetRequestUrl(TileCoord tileCoord)
{
Extent tileExtent = _tileGrid.GetTileExtent(tileCoord);
string url = this._url;
if (!url.EndsWith("?"))
{
url += "?";
}
var paras = new Dictionary <string, object>();
_paras.ToList().ForEach(keyValue =>
{
paras.Add(keyValue.Key, keyValue.Value);
});
//paras["TRANSPARENT"] = true;
//paras.Add("WIDTH", this._tileGrid.TileSize.Width);
//paras.Add("HEIGHT", this._tileGrid.TileSize.Height);
//paras.Add("BBOX", tileExtent);
//foreach (KeyValuePair<string, object> item in paras)
//{
// url += (item.Key + "=" + item.Value.ToString() + "&");
//}
url += "&x=" + tileCoord.X.ToString();
url += "&y=" + tileCoord.Y.ToString();
url += "&z=" + tileCoord.Zoom.ToString();
return(url);
}
protected virtual void OnTileLoaded(TileCoord tileCoord)
{
Interlocked.Increment(ref _successTileIndex);
if (this.TileLoaded != null)
{
TileLoaded(this, tileCoord);
}
}
public override string GetRequestUrl(TileCoord tileCoord)
{
string url = this._url;
url = url.Replace("{z}", (_offsetZoom + tileCoord.Zoom).ToString());
url = url.Replace("{y}", tileCoord.Y.ToString());
url = url.Replace("{x}", tileCoord.X.ToString());
return(url);
}
public virtual string GetRequestUrl(TileCoord tileCoord)
{
//http://webrd01.is.autonavi.com/appmaptile?lang=zh_cn&size=1&scale=1&style=8&x=" + x + "&y=" + y + "&z=" + z
string url = this._url;
url = url.Replace("{z}", (_offsetZoom + tileCoord.Zoom).ToString());
url = url.Replace("{x}", Math.Abs(tileCoord.X).ToString());
url = url.Replace("{y}", Math.Abs(tileCoord.Y).ToString());
return(url);
}
public Extent GetTileExtent(TileCoord tileCoord)
{
var origin = this._origin;
var resolution = this._resolutions[tileCoord.Zoom];
var tileSize = this._tileSize;
var minX = origin.X + tileCoord.X * tileSize.Width * resolution;
var minY = origin.Y + tileCoord.Y * tileSize.Height * resolution;
var maxX = minX + tileSize.Width * resolution;
var maxY = minY + tileSize.Height * resolution;
return(new Extent(new double[] { minX, minY, maxX, maxY }));
}
public override string GetRequestUrl(TileCoord tileCoord)
{
var x = 'C' + padLeft(Convert.ToInt32(tileCoord.X), 8, 16);
var y = 'R' + padLeft(Convert.ToInt32(tileCoord.Y), 8, 16);//WMTS
//var y = 'R' + padLeft(Convert.ToInt32(-1 * tileCoord.Y -1), 8, 16);//TMS
var z = 'L' + padLeft(Convert.ToInt32(tileCoord.Zoom) + offsetZoom, 2, 10);
string url = this._url;
url = url.Replace("{z}", z);
url = url.Replace("{y}", y);
url = url.Replace("{x}", x);
return(url);
}
public virtual OutputTile GetOutputTile(TileCoord input, int zoomOffset)
{
double x = input.X,
y = input.Y;
if (input.X < 0)
{
x = Math.Abs(input.X);
}
if (input.Y < 0)
{
y = Math.Abs(input.Y);
}
return(new OutputTile((input.Zoom + zoomOffset).ToString(), x.ToString(), y.ToString()));
}
public override OutputTile GetOutputTile(TileCoord input, int zoomOffset)
{
string x = input.X.ToString(),
y = input.Y.ToString();
if (input.X < 0)
{
x = "M" + Math.Abs(input.X).ToString();
}
if (input.Y < 0)
{
y = "M" + Math.Abs(input.Y).ToString();
}
return(new OutputTile((input.Zoom + zoomOffset).ToString(), x.ToString(), y.ToString()));
}
public string BuildTilePath(TileCoord tileCoord)
{
string x = tileCoord.X.ToString(),
y = tileCoord.Y.ToString();
if (tileCoord.X < 0)
{
x = "M" + Math.Abs(tileCoord.X).ToString();
}
if (tileCoord.Y < 0)
{
y = "M" + Math.Abs(tileCoord.Y).ToString();
}
string zoomFold = _zoomFolds[tileCoord.Zoom];
return(Path.Combine(zoomFold, x + "_" + y + ".png"));
}
public virtual void EnumerateTileRange(TileCoord beginTile /*为了实现续载功能，从上次失败的点开始继续*/,
Action <TileCoord> getTileCallback)
{
List <Extent> fullTileRange = _tileGrid.TileRanges;
int minZoom = 0, index = 0;
double minX = fullTileRange[minZoom].MinX;
double minY = fullTileRange[minZoom].MinY;
if (beginTile != null)
{
minZoom = beginTile.Zoom;//从失败的那一级别开始下载。
minX = beginTile.X;
minY = beginTile.Y;
}
for (double x = minX; x <= fullTileRange[minZoom].MaxX; ++x)
{
for (double y = minY; y <= fullTileRange[minZoom].MaxY; ++y)
{
++index;
var tile = new TileCoord(minZoom, x, y, index);
getTileCallback(tile);
}
}
for (int z = minZoom + 1; z < fullTileRange.Count; z++)
{
//for (double x = minX; x <= fullTileRange[z].MaxX; ++x)
for (double x = fullTileRange[z].MinX; x <= fullTileRange[z].MaxX; ++x)
{
//for (double y = minY; y <= fullTileRange[z].MaxY; ++y)
for (double y = fullTileRange[z].MinY; y <= fullTileRange[z].MaxY; ++y)
{
++index;
var tile = new TileCoord(z, x, y, index);
getTileCallback(tile);
}
}
}
}
protected override string GetRequestUrl(TileCoord tileCoord)
{
string url = this._url;
string x = tileCoord.X.ToString();
string y = tileCoord.Y.ToString();
if (tileCoord.X < 0)
{
x = "M" + Math.Abs(tileCoord.X);
}
if (tileCoord.Y < 0)
{
y = "M" + Math.Abs(tileCoord.Y);
}
url += "&x=" + tileCoord.X.ToString();
url += "&y=" + tileCoord.Y.ToString();
url += "&z=" + (offsetZoom + tileCoord.Zoom).ToString();
//url = string.Format(url, tileCoord.Zoom, Math.Abs(tileCoord.Y), Math.Abs(tileCoord.X));
return(url);
}
public void Delete(TileCoord failTile)
{
try
{
var sql = @"delete from FailTile where [Index]=@Index;";
int ret = 0;
using (var conn = new SQLiteConnection(_sqliteConnectionString))
{
ret = conn.Execute(sql, new
{
Index = failTile.Index
});
}
System.Threading.Interlocked.Decrement(ref Count);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
public override string BuildTilePath(TileCoord tileCoord)
{
string x = tileCoord.X.ToString(),
y = tileCoord.Y.ToString();
if (tileCoord.X < 0)
{
x = "M" + Math.Abs(tileCoord.X).ToString();
}
if (tileCoord.Y < 0)
{
y = "M" + Math.Abs(tileCoord.Y).ToString();
}
string zoomFold = _zoomFolds[tileCoord.Zoom];
string filePath = Path.Combine(zoomFold, x);
if (!Directory.Exists(filePath))
{
Directory.CreateDirectory(filePath);
}
return(Path.Combine(filePath, y + ".png"));
}
public virtual void EnumerateTileRange(TileCoord lastTile, Action <int> getZoomCallback, Action <TileCoord> getTileCallback)
{
int minZoom = 0;
if (lastTile != null)
{
minZoom = lastTile.Zoom;
}
List <Extent> fullTileRange = _tileGrid.TileRanges;
for (int z = minZoom; z < fullTileRange.Count; z++)
{
getZoomCallback(z);
for (double x = fullTileRange[z].MinX; x <= fullTileRange[z].MaxX; ++x)
{
for (double y = fullTileRange[z].MinY; y <= fullTileRange[z].MaxY; ++y)
{
var tile = new TileCoord(z, x, y);
getTileCallback(tile);
}
}
}
}
public override string GetRequestUrl(TileCoord tileCoord)
{
string url = this._url;
if (!url.EndsWith("?"))
{
url += "?";
}
var paras = new Dictionary <string, object>();
_paras.ToList().ForEach(keyValue =>
{
paras.Add(keyValue.Key, keyValue.Value);
});
paras["TRANSPARENT"] = true;
paras.Add("TileMatrix", tileCoord.Zoom + 1);
paras.Add("TileRow", tileCoord.Y);
paras.Add("TileCol", tileCoord.X);
foreach (KeyValuePair <string, object> item in paras)
{
url += (item.Key + "=" + item.Value.ToString() + "&");
}
return(url);
}
public Stream GetTile(TileCoord tileCoord)
{
string url = GetRequestUrl(tileCoord);
return(_tileLoad.GetTile(url));
}
public void Start()
{
if (!_isStop)
{
_blockingQueue = new BlockingCollection <TileCoord>(_threadCount);
_tokenSource = new CancellationTokenSource();
var token = _tokenSource.Token;
var taskFactory = new TaskFactory(TaskCreationOptions.LongRunning, TaskContinuationOptions.LongRunning);
for (int i = 0; i < _threadCount; i++)
{
Task workThread = taskFactory.StartNew(() =>
{
while (!_isStop)
{
token.ThrowIfCancellationRequested();
TileCoord tileCoord = null;
if (_blockingQueue.TryTake(out tileCoord, 100))
//tileCoord = _blockingQueue.Take();
//if (tileCoord != null)
{
using (Stream stream = _source.GetTile(tileCoord))
{
string filePath = _tilePathBuilder.BuildTilePath(tileCoord);
using (FileStream fs = new FileStream(filePath, FileMode.OpenOrCreate, FileAccess.ReadWrite))
{
int ret = 0;
byte[] buffer = new byte[8192];//8K
ret = stream.Read(buffer, 0, buffer.Length);
while (ret > 0)
{
fs.Write(buffer, 0, ret);
ret = stream.Read(buffer, 0, buffer.Length);
}
OnTileLoaded(tileCoord);
}
}
}
//else
//{
// token.WaitHandle.WaitOne(100);
//}
}
}, token);
}
List <Extent> fullTileRange = _source.TileGrid.TileRanges;
for (int z = 0; z < fullTileRange.Count; z++)
{
_tilePathBuilder.BuildZoomFold(z, _offsetZoom);
for (double x = fullTileRange[z].MinX; x <= fullTileRange[z].MaxX; ++x)
{
for (double y = fullTileRange[z].MinY; y <= fullTileRange[z].MaxY; ++y)
{
var tile = new TileCoord(z, x, y);
//_blockingQueue.TryAdd(tile, 500);
_blockingQueue.Add(tile);
}
}
}
}
}
