GIS与人工智能是未来GIS的归宿

摘要： SceneControl+AE+鼠标滚轮缩放 要为SceneControl设置鼠标滚轮缩放必须定义委托，因为SceneControl没有Wheel事件，所以委托From的Wheel事件 public Form1() { InitializeComponent(); this.MouseWheel += new MouseEventHandler(this.SC1_Wheel);... 阅读全文

摘要： SceneControl+AE+点击画点 IPoint pt = new PointClass(); ISceneGraph pSG = SC1.SceneGraph; ISceneViewer pSW = pSG.ActiveViewer; object pOwner; object pObject; pSG.Locate(pSW, e.x, e.y, esriScenePickMode.es... 阅读全文

摘要： ArcScene+AE+点击闪烁 ISceneGraph pSG = SC1.SceneGraph; ISceneViewer pViewer=SC1 .SceneViewer ; IPoint pPnt = new PointClass(); object pOwner; object pObject; pSG.Locate(SC1.SceneViewer, e.x, e.y, esriSc... 阅读全文

摘要： File GeoDatabase删除表中的一个字段 try { IWorkspaceFactory pGDBworkspaceFactory = new FileGDBWorkspaceFactoryClass(); IWorkspace pGDBWorkspace = pGDBworkspaceFactory.OpenFromFile(@"D:"GIS"GuangY... 阅读全文

摘要： File GeoDatabase向表中添加字段 Try { IWorkspaceFactory pGDBworkspaceFactory = new FileGDBWorkspaceFactoryClass(); IWorkspace pGDBWorkspace =GDBworkspaceFactory.OpenFromFile(@"D:\GIS\GuangYuan\Gua... 阅读全文

摘要： File GeoDatabase向表中加入一条记录IWorkspaceFactory pGDBworkspaceFactory = new FileGDBWorkspaceFactoryClass();IWorkspace pGDBWorkspace = GDBworkspaceFactory.... 阅读全文

摘要： ArcGIS Engine Extent 的四个角的位置左上角: Xmin,YMax左边:XMin,越到左边越小，也就是经度向左为减小左下角:XMin,YMin下边:YMin,越到下边越小，也就是纬度向下为减小右上角:XMax,YMax上边:YMax,越到上边越大，也就是纬度向上为增加右下角:XMax,Ymin右边:XMax,起到右边越大，也就是经度向右为增加 //左中IPoint pPointC... 阅读全文