arcgis中引入bingmap

1、arcgis 中引入 bingmaparcgis中引入 bingmap分类： GIS 2011-05-12 12:05 566 人阅读 评论 (0) 收藏 举报 前期：有 KEY 码。通过注册获取(1)加入 bingmap,因为是 3857 坐标系统。Spatial Reference: 102100 (3857) 102100 WGS_1984_Web_Mercator_Auxiliary_Sphere所以要作为最底图加入即可2)叠加 tile 的类：using ESRI.ArcGIS.Client;using ESRI.ArcGIS.Client.Geometry;using System

2、.Windows;using System;namespace Diligentpigpublic class ClientDynamicTileMapServiceLayer :TiledMapServiceLayerpublic bool iscansee = true;public static readonly DependencyPropertyUrlProperty = DependencyProperty.Register("Url", typeof(string), typeof(ClientDynamicTileMapServiceLayer), new

3、PropertyMetadata(newPropertyChangedCallback(ClientDynamicTileMapServiceLayer.OnUrlPropertyChanged);public string Urlget return (string)GetValue(UrlProperty); set SetValue(UrlProperty, value); public static readonly DependencyPropertyDisableClientCacheProperty =DependencyProperty.Register("Disab

4、leClientCache", typeof(bool), typeof(ClientDynamicTileMapServiceLayer), newPropertyMetadata(newPropertyChangedCallback(ClientDynamicTileMapServiceLayer.OnDisableClientCachePropertyChanged);public bool DisableClientCacheget return(bool)GetValue(DisableClientCacheProperty); set SetValue(DisableCl

5、ientCacheProperty,value); private int _visibleLayers;/ <summary>/ Set the visible layers ofDynamicTileMapServiceLayer by an int array which starts from 0./ If sets to NULL, all sublayers will be visible./ </summary>public int VisibleLayersget return _visibleLayers; set_vi

6、sibleLayers = value;if (this.IsInitialized)this.IsInitialized = false;this.InitializationFailure = null;this.Refresh();this.Initialize();private const double cornerCoordinate =20037508.3427892;public override void Initialize()this.FullExtent = newESRI.ArcGIS.Client.Geometry.Envelope(-20037508.342789

7、2, -20037508.3427892, 20037508.3427892, 20037508.3427892)SpatialReference = newSpatialReference(102100);/ This layer's spatial referencethis.SpatialReference = newSpatialReference(102100);/ Set up tile information. Each tile is 256x256px,19 levels.this.TileInfo = new TileInfo()Height = 256,Width

8、 = 256,Origin = new MapPoint(-cornerCoordinate,cornerCoordinate) SpatialReference = newESRI.ArcGIS.Client.Geometry.SpatialReference(102100) ,Lods = new Lod19;/ Set the resolutions for each level. Each level ishalf the resolution of the previous one.double resolution = cornerCoordinate * 2 / 256;for

9、(int i = 0; i < TileInfo.Lods.Length; i+)TileInfo.Lodsi = new Lod() Resolution =resolution ;resolution /= 2;/ Call base initialize to raise the initializationeventbase.Initialize();public override string GetTileUrl(int level, int row, intcol)if (iscansee)string baseUrl ="0/export?udpi=96

10、&transparent=true&format=pn g8&bbox=1%2C2%2C3%2C4&bboxSR=10 2100&imageSR=102100&size=256%2C256&f=i mage"double cornerCoordinate =20037508.3427892;/from wkid 3857/102100double originResolution = cornerCoordinate* 2 / 256;double resolution =

11、 originResolution;for (int i = 0; i < level; i+)resolution /= 2;double xmin, ymin, xmax, ymax;/double resolution = 39135.7584820001;xmin = -cornerCoordinate + resolution *256 * col;ymin = cornerCoordinate - resolution * 256* (row + 1);xmax = -cornerCoordinate + resolution *256 * (col + 1);yma

12、x = cornerCoordinate - resolution * 256* row;/string subServices = "stgeometry","stgeometry1", "stgeometry2" ;/string baseUrl ="31:8399/arcgis/rest/services/0/MapSer ver/export?dpi=96&transparent=true&format=png8& amp;bbox=1%2

13、C2%2C3%2C4&bboxSR=10210 0&imageSR=102100&size=256%2C256&f=ima ge&_ts=5"/string subservice = subServices(level +col + row) % subServices.Length;/return string.Format(baseUrl, subservice,xmin, ymin, xmax, ymax, DateTime.Now.Ticks.ToString();if (VisibleLayer

14、s != null)/if null, allsublayers are visible./ex. layers=show:2,4,7 string str = "&layers=show:"for (int i = 0; i <VisibleLayers.Length; i+)str = str.Insert(str.Length,VisibleLayersi.ToString() + ",");str = str.Remove(str.Length -1);/remove last ","baseUr

15、l =baseUrl.Insert(baseUrl.Length, str);if (DisableClientCache)layer.IsInitialized = false;baseUrl =baseUrl.Insert(baseUrl.Length, "&_ts=5");return string.Format(baseUrl, Url, xmin,ymin, xmax, ymax, DateTime.Now.Ticks.ToString();return string.Format(baseUrl, Url, xmin,ymin, xmax, ym

16、ax);else returnMH.private static voidOnUrlPropertyChanged(DependencyObject d,DependencyPropertyChangedEventArgs e)tryClientDynamicTileMapServiceLayer layer =(ClientDynamicTileMapServiceLayer)d;layer.InitializationFailure = null;layer.Refresh();layer.Initialize();catch (Exception ex)MessageBox.Show(&

17、quot;ArcGISDynamicMapServiceLayer Url is invalid!/n" + ex.Message);private static voidOnDisableClientCachePropertyChanged(DependencyObject d,DependencyPropertyChangedEventArgs e)ClientDynamicTileMapServiceLayer layer =(ClientDynamicTileMapServiceLayer)d;if (layer.IsInitialized)layer.IsInitializ

18、ed = false;layer.InitializationFailure = null;layer.Refresh();layer.Initialize();3）增加坐标转化系统：/经纬度转墨卡托public static Point lonLat2Mercator(Point lonLat)if (type<= 1)double x = lonLat.X * 20037508.34 / 180;double M_PI = Math.PI;double y = Math.Log(Math.Tan(90 +lonLat.Y) * M_PI / 360) / (M_PI / 18

19、0);y = y * 20037508.34 / 180;Point mercator = new Point(x, y);return mercator;elsePoint mercator = lonLat;return mercator;/墨卡托转经纬度 public static Point Mercator2lonLat(Point mercator)if (type<= 1)double x = mercator.X / 20037508.34 * 180;double y = mercator.Y / 20037508.34 * 180;double M_PI =

20、Math.PI;y = 180 / M_PI * (2 *Math.Atan(Math.Exp(y * M_PI / 180) - M_PI / 2);Point lonLat = new Point(x, y);return lonLat;elsePoint lonLat=mercator;return lonLat;/示例如下ESRI.ArcGIS.Client.Geometry.Envelope selectedFeatureExtent = feature.Geometry.Extent;double expandPercentage = 100;double widthExpand =selecte