C# +AE加载shp、栅格、地图文档数据

楼主^#

更多发布于：2009-11-30 11:31

//添加ArcGIS命名空间
using ESRI.ArcGIS.Carto;
using ESRI.ArcGIS.Geometry;
using ESRI.ArcGIS.Geodatabase;
using ESRI.ArcGIS.DataSourcesFile;
using ESRI.ArcGIS.DataSourcesRaster;
//存储打开文件的全路径
 string fullFilePath;
//设置OpenFileDialog的属性，使其能打开多种类型文件
 OpenFileDialog openFile = new OpenFileDialog();
 openFile.Filter = "shape文件(*.shp)|*.shp|";
openFile.Filter +="栅格数据(*.jpg,*.bmp,*.tiff)|*.jpg;*.bmp;*.tiff|";
openFile.Filter +="地图文档(*.mxd,*.mxt,*.jmf)|*.mxd;*.mxt;*.jmf";
 openFile.Title = "打开文件";
 
 try
 {
 if (openFile.ShowDialog() == DialogResult.OK)
 {
 
 fullFilePath = openFile.FileName;
 //获得文件路径
 int index = fullFilePath.LastIndexOf("\\");
 string filePath = fullFilePath.Substring(0, index);
 //获得文件名称
 string fileNam = fullFilePath.Substring(index + 1);
 //加载shape文件
 if (openFile.FilterIndex == 1)
 {
 //打开工作空间工厂
 IWorkspaceFactory workspcFac = new ShapefileWorkspaceFactory();
 IFeatureWorkspace featureWorkspc;
 IFeatureLayer featureLay = new FeatureLayerClass();
 //打开路径
 featureWorkspc = workspcFac.OpenFromFile(filePath, 0) as IFeatureWorkspace;
 //打开类要素
 featureLay.FeatureClass = featureWorkspc.OpenFeatureClass(fileNam);
 //清空图层
 axMapControl1.ClearLayers();
 //添加图层
 axMapControl1.AddLayer(featureLay);
 axMapControl1.Refresh();
 }
 //加载栅格图像
 else if (openFile.FilterIndex == 2)
 {
 IWorkspaceFactory workspcFac = new RasterWorkspaceFactory();
 IRasterWorkspace rasterWorkspc;
 IRasterDataset rasterDatst = new RasterDatasetClass();
 IRasterLayer rasterLay = new RasterLayerClass();
 
 rasterWorkspc = workspcFac.OpenFromFile(filePath, 0) as IRasterWorkspace;
 rasterDatst = rasterWorkspc.OpenRasterDataset(fileNam );
 rasterLay.CreateFromDataset(rasterDatst);
 
 axMapControl1.ClearLayers();
 
 axMapControl1.AddLayer(rasterLay);
 axMapControl1.Refresh();
 
 }
 //加载地图文档
 else if (openFile.FilterIndex == 3)
 {
 IMapDocument mapDoc = new MapDocumentClass();
 mapDoc.Open(filePath ,"");
 
 axMapControl1.ClearLayers();
 
 for (int i = 0; i < mapDoc.MapCount - 1; i++)
 {
 axMapControl1.Map =mapDoc.get_Map (i);
 }
 IActiveView activeViw = axMapControl1.Map as IActiveView;
 activeViw.Extent = axMapControl1.FullExtent;
 axMapControl1.Refresh();
 }
 }
 }
 catch (Exception ex)
 {
 MessageBox.Show(ex.Message.ToString ());
 }
 }
 }

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anney1230 路人甲注册日期2008-04-04 发帖数11 QQ 铜币155枚威望0点贡献值0点银元0个加关注写私信	1楼^# 发布于：2009-12-10 21:52 <P>学习学习了</P>
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C# +AE加载shp、栅格、地图文档数据

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