ArcGIS Web API 接入E都市瓦片

publicclassEdushi :TiledMapServiceLayer

{

publicoverridevoid Initialize()

{

this.FullExtent = new ESRI.ArcGIS.Client.Geometry.Envelope(-20037508.342787, -20037508.342787, 20037508.342787, 20037508.342787);

{

SpatialReference = new ESRI.ArcGIS.Client.Geometry.SpatialReference(102100);

};

this.SpatialReference = new ESRI.ArcGIS.Client.Geometry.SpatialReference(102100);

this.TileInfo = new TileInfo()

{

Height = 256,

Width = 256,



Origin = new ESRI.ArcGIS.Client.Geometry.MapPoint(-20037508.342787, 20037508.342787)

{

SpatialReference = new ESRI.ArcGIS.Client.Geometry.SpatialReference(102100)

},

Lods = new Lod[4]

};

double resolution = 9783.93962049996/4;

for (int i = 0; i <TileInfo.Lods.Length; i++)

{

TileInfo.Lods = new Lod() { Resolution = resolution };

resolution /= 2;

}

base.Initialize();

}

publicoverridestring GetTileUrl(int level, int row, int col)

{

string url = null;

if (level == 0)

{

url = “http://cpic2.edushi.com/cn/che ... c/png” + (3 – level) + “/” + (col – 25) + “,” + (row – 25) + “.png”;

}

if (level == 1)

{

url = “http://cpic2.edushi.com/cn/che ... c/png” + (3 – level) + “/” + (col – 50) + “,” + (row – 50) + “.png”;

}

if (level == 2)

{

url = “http://cpic2.edushi.com/cn/che ... c/png” + (3 – level) + “/” + (col – 100) + “,” + (row – 100) + “.png”;

}

if (level == 3)

{

url = “http://cpic2.edushi.com/cn/che ... c/png” + (3 – level) + “/” + (col – 200) + “,” + (row – 200) + “.png”;

}

return url;

}

}