arcgis开发教程分析.ppt

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2017-01-08 发布于辽宁
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arcgis开发教程分析.ppt

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arcgis开发教程分析

三地图基本操作实现 1.加载图层数据——ShapeFile文件 IFeatureClass IFeatureClass：主要负责获得或设置要素类的属性。三地图基本操作实现 1.加载图层数据——ShapeFile文件 IFeatureClass IFeatureClass：主要负责获得或设置要素类的属性。三地图基本操作实现 1.加载图层数据——ShapeFile文件 private void 打开矢量ToolStripMenuItem_Click(object sender, EventArgs e) { IWorkspaceFactory pWorkspaceFactory; IFeatureWorkspace pFeatureWorkspace; IFeatureClass pFeatureClass; IFeatureLayer pFeatureLayer; pWorkspaceFactory = new ShapefileWorkspaceFactoryClass(); pFeatureWorkspace = pWorkspaceFactory.OpenFromFile(E:\\上课资料\\测绘08-GIS开发\\map, 0) as IFeatureWorkspace; pFeatureClass = pFeatureWorkspace.OpenFeatureClass(区域); pFeatureLayer = new FeatureLayerClass(); pFeatureLayer.FeatureClass = pFeatureClass; pFeatureLayer.Name = 区域; axMapControl1.AddLayer(pFeatureLayer); axMapControl1.Refresh(); } using ESRI.ArcGIS.Geodatabase; using ESRI.ArcGIS.Carto; using ESRI.ArcGIS.DataSourcesFile; 三地图基本操作实现 1.加载图层数据——ShapeFile文件 private void 打开矢量ToolStripMenuItem_Click(object sender, EventArgs e) { IWorkspaceFactory pWorkspaceFactory; IFeatureWorkspace pFeatureWorkspace; IFeatureClass pFeatureClass; IFeatureLayer pFeatureLayer; pWorkspaceFactory = new ShapefileWorkspaceFactoryClass(); pFeatureWorkspace = pWorkspaceFactory.OpenFromFile(E:\\上课资料\\测绘08-GIS开发\\map, 0) as IFeatureWorkspace; pFeatureClass = pFeatureWorkspace.OpenFeatureClass(区域); pFeatureLayer = new FeatureLayerClass(); pFeatureLayer.FeatureClass = pFeatureClass; IDataset pDataset = pFeatureClass as IDataset; pFeatureLayer.Name = pDataset.Name; ILayer pLayer = pFeatureLayer as ILayer; axMapControl1.Map.AddLayer(pLayer); axMapControl1.Refresh(); } 思考：如何利用对话框打开ShapeFile文件？三地图基本操作实现 1.加载图层