ArcGIS API for Silverlight加载google地图（后续篇）
原文:ArcGIS API for Silverlight加载google地图（后续篇）
之前在博客中（http://blog.csdn.net/taomanman/article/details/8019687）提到的加载google地图方案，因为google地址问题，看不到图了，发现是url地址变换造成的。
现将如下三个类公布出来，源码如下：
using System;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Ink;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using ESRI.ArcGIS.Client;
using ESRI.ArcGIS.Client.Geometry; namespace MapClient.CommonClass
{
public class GoogleMapLayer : TiledMapServiceLayer
{
private const double cornerCoordinate = 20037508.3427892;
public string _baseURL = "t@131"; //google地形图 public override void Initialize()
{
ESRI.ArcGIS.Client.Projection.WebMercator mercator = new ESRI.ArcGIS.Client.Projection.WebMercator();
this.FullExtent = new ESRI.ArcGIS.Client.Geometry.Envelope(-20037508.3427892, -20037508.3427892, 20037508.3427892, 20037508.3427892)
{
SpatialReference = new SpatialReference(102100)
};
//图层的空间坐标系
this.SpatialReference = new SpatialReference(102100);
// 建立切片信息，每个切片大小256*256px，共16级.
this.TileInfo = new TileInfo()
{
Height = 256,
Width = 256,
Origin = new MapPoint(-cornerCoordinate, cornerCoordinate) { SpatialReference = new ESRI.ArcGIS.Client.Geometry.SpatialReference(102100) },
Lods = new Lod[18]
};
//为每级建立方案，每一级是前一级别的一半.
double resolution = cornerCoordinate * 2 / 256;
for (int i = 0; i < TileInfo.Lods.Length; i++)
{
TileInfo.Lods[i] = new Lod() { Resolution = resolution };
resolution /= 2;
}
// 调用初始化函数
base.Initialize();
} public override string GetTileUrl(int level, int row, int col)
{
string url = "http://mt1.google.cn/vt/lyrs=" + _baseURL + ",r@225000000&&hl=zh-CN&gl=CN&src=app&" + "x=" + col + "&" + "y=" + row + "&" + "z=" + level + "&s=Ga";
if (_baseURL == "t@131")
{
//地形图
url = "http://mt1.google.cn/vt/lyrs=" + _baseURL + ",r@225000000&&hl=zh-CN&gl=CN&src=app&" + "x=" + col + "&" + "y=" + row + "&" + "z=" + level + "&s=Ga";
}
if (_baseURL == "s@132")
{
//卫星图
url = "http://mt3.google.cn/vt/lyrs=" + _baseURL + "&hl=zh-CN&gl=CN&src=app&" + "x=" + col + "&" + "y=" + row + "&" + "z=" + level + "&s=G";
}
if (_baseURL == "m@225000000")
{
//街道图
url = "http://mt1.google.cn/vt/lyrs=" + _baseURL + "&hl=zh-CN&gl=CN&src=app&" + "x=" + col + "&" + "y=" + row + "&" + "z=" + level + "&s=Ga";
}
return string.Format(url);
}
}
}
using System;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Ink;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using ESRI.ArcGIS.Client;
using ESRI.ArcGIS.Client.Geometry; namespace MapClient.CommonClass
{
public class GoogleMapRoadLayer : TiledMapServiceLayer
{
private const double cornerCoordinate = 20037508.3427892;
private string _baseURL = "m@225000000"; //google交通图 public override void Initialize()
{
ESRI.ArcGIS.Client.Projection.WebMercator mercator = new ESRI.ArcGIS.Client.Projection.WebMercator();
this.FullExtent = new ESRI.ArcGIS.Client.Geometry.Envelope(-20037508.3427892, -20037508.3427892, 20037508.3427892, 20037508.3427892)
{
SpatialReference = new SpatialReference(102100)
};
//图层的空间坐标系
this.SpatialReference = new SpatialReference(102100);
// 建立切片信息，每个切片大小256*256px，共16级.
this.TileInfo = new TileInfo()
{
Height = 256,
Width = 256,
Origin = new MapPoint(-cornerCoordinate, cornerCoordinate) { SpatialReference = new ESRI.ArcGIS.Client.Geometry.SpatialReference(102100) },
Lods = new Lod[19]
};
//为每级建立方案，每一级是前一级别的一半.
double resolution = cornerCoordinate * 2 / 256;
for (int i = 0; i < TileInfo.Lods.Length; i++)
{
TileInfo.Lods[i] = new Lod() { Resolution = resolution };
resolution /= 2;
}
// 调用初始化函数
base.Initialize();
} public override string GetTileUrl(int level, int row, int col)
{
string url = "http://mt1.google.cn/vt/lyrs=" + _baseURL + ",r@225000000&&hl=zh-CN&gl=CN&src=app&" + "x=" + col + "&" + "y=" + row + "&" + "z=" + level + "&s=Ga";
if (_baseURL == "t@131")
{
//地形图
url = "http://mt1.google.cn/vt/lyrs=" + _baseURL + ",r@225000000&&hl=zh-CN&gl=CN&src=app&" + "x=" + col + "&" + "y=" + row + "&" + "z=" + level + "&s=Ga";
}
if (_baseURL == "s@132")
{
//卫星图
url = "http://mt3.google.cn/vt/lyrs=" + _baseURL + "&hl=zh-CN&gl=CN&src=app&" + "x=" + col + "&" + "y=" + row + "&" + "z=" + level + "&s=G";
}
if (_baseURL == "m@225000000")
{
//街道图
url = "http://mt1.google.cn/vt/lyrs=" + _baseURL + "&hl=zh-CN&gl=CN&src=app&" + "x=" + col + "&" + "y=" + row + "&" + "z=" + level + "&s=Ga";
}
return string.Format(url);
}
}
}
using System;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Ink;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using ESRI.ArcGIS.Client;
using ESRI.ArcGIS.Client.Geometry; namespace MapClient.CommonClass
{
public class GoogleMapSateliateLayer : TiledMapServiceLayer
{
private const double cornerCoordinate = 20037508.3427892;
private string _baseURL = "s@132"; //google卫星图 public override void Initialize()
{
ESRI.ArcGIS.Client.Projection.WebMercator mercator = new ESRI.ArcGIS.Client.Projection.WebMercator();
this.FullExtent = new ESRI.ArcGIS.Client.Geometry.Envelope(-20037508.3427892, -20037508.3427892, 20037508.3427892, 20037508.3427892)
{
SpatialReference = new SpatialReference(102100)
};
//图层的空间坐标系
this.SpatialReference = new SpatialReference(102100);
// 建立切片信息，每个切片大小256*256px，共16级.
this.TileInfo = new TileInfo()
{
Height = 256,
Width = 256,
Origin = new MapPoint(-cornerCoordinate, cornerCoordinate) { SpatialReference = new ESRI.ArcGIS.Client.Geometry.SpatialReference(102100) },
Lods = new Lod[20]
};
//为每级建立方案，每一级是前一级别的一半.
double resolution = cornerCoordinate * 2 / 256;
for (int i = 0; i < TileInfo.Lods.Length; i++)
{
TileInfo.Lods[i] = new Lod() { Resolution = resolution };
resolution /= 2;
}
// 调用初始化函数
base.Initialize();
} public override string GetTileUrl(int level, int row, int col)
{
string url = "http://mt1.google.cn/vt/lyrs=" + _baseURL + ",r@225000000&&hl=zh-CN&gl=CN&src=app&" + "x=" + col + "&" + "y=" + row + "&" + "z=" + level + "&s=Ga";
if (_baseURL == "t@131")
{
//地形图
url = "http://mt1.google.cn/vt/lyrs=" + _baseURL + ",r@225000000&&hl=zh-CN&gl=CN&src=app&" + "x=" + col + "&" + "y=" + row + "&" + "z=" + level + "&s=Ga";
}
if (_baseURL == "s@132")
{
//卫星图
url = "http://mt3.google.cn/vt/lyrs=" + _baseURL + "&hl=zh-CN&gl=CN&src=app&" + "x=" + col + "&" + "y=" + row + "&" + "z=" + level + "&s=G";
}
if (_baseURL == "m@225000000")
{
//街道图
url = "http://mt1.google.cn/vt/lyrs=" + _baseURL + "&hl=zh-CN&gl=CN&src=app&" + "x=" + col + "&" + "y=" + row + "&" + "z=" + level + "&s=Ga";
}
return string.Format(url);
}
}
}
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