/// <summary>${WP_mapping_CloudLayer_method_GetTileUrl_D}</summary>
public override MapImage GetTile(int indexX, int indexY, int level, CancellationToken cancellationToken)
{
MapImage image = new MapImage();
image.MapImageType = MapImageType.Url;
image.Url=String.Format(System.Globalization.CultureInfo.InvariantCulture,this.Url, this.MapName, this.type, indexX, indexY, level);
return image;
}
public async Task<byte[]> ImageReadAsync(int width, int height, double resolution, int level, int column, int row)
{
MapImage image = new MapImage();
image.MapImageType = MapImageType.Data;
try
{
SQLiteAsyncConnection connection = new SQLiteAsyncConnection(MBTilesPath);
AsyncTableQuery<MBTilesData> table = connection.Table<MBTilesData>();
MBTilesData data = await table.Where(c => c.Column == column && c.Resolution == resolution && c.Row == row).FirstOrDefaultAsync();
if (data != null)
{
image.Data = data.Data;
}
return image.Data;
}
catch(Exception ex)
{
return null;
}
finally
{
}
}
/// <summary>${WP_Mapping_TiledDynamicRESTLayer_method_GetTileUrl_D}</summary>
/// <returns>${WP_Mapping_TiledDynamicRESTLayer_method_GetTileUrl_return}</returns>
/// <param name="indexX">${WP_Mapping_TiledDynamicRESTLayer_method_GetTileUrl_param_indexX}</param>
/// <param name="indexY">${WP_Mapping_TiledDynamicRESTLayer_method_GetTileUrl_param_indexY}</param>
/// <param name="resolution">${WP_Mapping_TiledDynamicRESTLayer_method_GetTileUrl_param_resolution}</param>
/// <param name="cancellationToken">${WP_Mapping_TiledDynamicRESTLayer_method_GetTileUrl_param_cancellationToken}</param>
public override MapImage GetTile(int indexX, int indexY, double resolution, CancellationToken cancellationToken)
{
double scale = 0;
scale = ScaleHelper.ScaleConversion(resolution, this.Dpi, this.CRS);
string str = string.Empty;
str = string.Format(System.Globalization.CultureInfo.InvariantCulture, "{0}/tileImage.{1}?scale={2}&x={3}&y={4}&width={5}&height={5}&transparent={6}&t={7}",
Url, ImageFormat.ToLower(), scale.ToString(CultureInfo.InvariantCulture), indexX, indexY, TileSize, Transparent, _randomKey);
if (!EnableServerCaching)
{
str += string.Format("&cacheEnabled={0}", EnableServerCaching.ToString(System.Globalization.CultureInfo.InvariantCulture).ToLower());
}
if (!string.IsNullOrEmpty(LayersID))
{
str += string.Format("&layersID={0}", layersID);
}
if (ClipRegion != null)
{
str += "&clipRegionEnabled=True&";
str += string.Format("clipRegion={0}", JsonConvert.SerializeObject(ClipRegion.ToServerGeometry()));
}
if (MaxVisibleVertex != int.MaxValue && MaxVisibleVertex >= 0)
{
str += string.Format(System.Globalization.CultureInfo.InvariantCulture, "&maxVisibleVertex={0}", MaxVisibleVertex);
}
if (!Point2D.IsNullOrEmpty(this.Origin))
{
// origin={"x":-200,"y":45}，
str += "&origin={" + string.Format(CultureInfo.InvariantCulture, "\"x\":{0},\"y\":{1}", this.Origin.X, this.Origin.Y) + "}";
}
//iServer tileImage请求中只要存在prjCoordSys参数就会把图片生成到temp目录下，
//所以如果CRS和服务端一致，就不传这个参数上去了。
if (this.mapService != null && this.mapService.LastResult != null
&& this.mapService.LastResult.PrjCoordSys != null)
{
CoordinateReferenceSystem tempCRS = new CoordinateReferenceSystem();
if (_mapServiceDefault.LastResult != null)
{
tempCRS.WKID = this._mapServiceDefault.LastResult.PrjCoordSys.EpsgCode;
tempCRS.Unit = this._mapServiceDefault.LastResult.CoordUnit;
}
if (!CoordinateReferenceSystem.Equals(tempCRS, this.CRS, true))
{
if (this.CRS != null && this.CRS.WKID > 0)
{
str += "&prjCoordSys={\"epsgCode\":" + this.CRS.WKID + "}";
}
}
}
str += string.Format("&customParams={0}", CustomParams);
MapImage image = new MapImage();
image.MapImageType = MapImageType.Url;
image.Url = str;
return image;
}
public static async Task<MapImage> GetTile(string path, int column, int row, double resolution)
{
MapImage image = new MapImage();
image.MapImageType = MapImageType.Data;
try
{
SQLiteAsyncConnection connection = new SQLiteAsyncConnection(path);
AsyncTableQuery<MBTilesData> table = connection.Table<MBTilesData>();
MBTilesData data = await table.Where(c => c.Column == column && c.Resolution == resolution && c.Row == row).FirstOrDefaultAsync();
if (data != null)
{
image.Data = data.Data;
}
}
catch
{
}
return image;
}
