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);

        }

    }

}