ArcGIS Engine 10 开发手册(9-6)示例等高线赋值
本文目录
- 正文
等高线赋值在我们矢量化地形图的时候是一个非常有用的功能,ArcGIS 没有直接提供,不过没关系, 我们说过ArcGIS 是一个开放的平台,将自己的接口几乎毫无保留的提供给了我们,我们可以利用它提供的 接口实现这样一个功能,并且我们可以直接将这个功能集成在ArcMap中,主要代码如下:
示例代码
IWorkspaceFactory pWsF = new ShapefileWorkspaceFactory ();
IFeatureWorkspace pFtWs = pWsF.OpenFromFile (@"E:\arcgis\Engine\数据", 0)
as IFeatureWorkspace;
IFeatureClass pFClass = pFtWs.OpenFeatureClass ("ctour9_Clip");
IFeatureLayer pFtLayer = new FeatureLayerClass ();
pFtLayer.Name = "等高线";
pFtLayer.FeatureClass = pFClass;
axMapControl1.AddLayer (pFtLayer as ILayer);
axMapControl1.Refresh ();
pEngineEditor = new EngineEditorClass ();
//启动编辑
pEngineEditor.StartEditing (pFtWs as IWorkspace, axMapControl1.Map);
pEngineEditor.StartOperation ();
//设置目标图层
IEngineEditLayers pEditLayer = pEngineEditor as IEngineEditLayers;
pEditLayer.SetTargetLayer (pFtLayer, 0);
//设置任务流
pEngineEditor.CurrentTask = new CalculatContourTask () as IEngineEditTask;
//启用草图工具
ICommand pSketch = new ControlsEditingSketchToolClass ();
pSketch.OnCreate (axMapControl1.Object);
axMapControl1.CurrentTool = pSketch as ITool;
//结束编辑
if (pEngineEditor.EditState == esriEngineEditState.esriEngineStateEditing)
{
pEngineEditor.StopEditing (true);
}
ArcGIS Engine 10 开发手册全集
ArcGIS Engine 10 开发手册全集: ArcGIS Engine 10 开发手册
如果本文对你有所帮助,欢迎对我们团队进行打赏捐助,让我们在传播3S的路上可以走得更远。
赞赏支持

