ArcGlobe开发基础

1、分 享 地 理 价 值ArcGlobe开发简介分 享 地 理 价 值目录lArcGlobe开发注意事项l数据加载l三维飞行分 享 地 理 价 值ArcGlobe开发注意事项嵌入互操作类型错误程序可编译，但是运行出错：解决方法分 享 地 理 价 值数据加载l加载场景文件l加载3DS模型l加载矢量数据l加载3D注记分 享 地 理 价 值Globe图层浮动图层：使用偏移来显示，高出或低于球体表面叠加图层：覆盖在球体表面高程图层：给球体表面提供地形数据，添加图层_Globe.AddLayerType(layer, globeLayerType, true);_Globe.GlobeDisplay.Sc

2、ene.AddLayer(layer,true);遍历图层for (int i = 0; i _Globe.GlobeDisplay.Scene.LayerCount; i+) ILayer layer = _Globe.GlobeDisplay.Scene.get_Layer(i);分 享 地 理 价 值加载场景文件加载场景文件： axGlobeControl1.Load3dFile(D:MyDataFlight2.3dd);分 享 地 理 价 值GraphicsLayer动态添加的数据一般添加在GraphicsLayer中，比如添加一条矢量线，导入3DS模型等。获得GraphicsLaye

3、r有以下两种方法：获取BasicGraphicsLayerIGraphicsLayer pGraphicsLayer = (Globe as IBasicMap).BasicGraphicsLayer;创建GraphicsLayerIGraphicsContainer globeGraphicsLayer = new GlobeGraphicsLayerClass();Ilayer pLayer = globeGraphicsLayer as ILayer;pLayer.Name = LineLayer;Globe.GlobeDisplay.Scene.AddLayer(pLayer, tru

4、e);分 享 地 理 价 值显示3D符号/3DS文件是做为符号导入到场景中，导入后变成MultiPatchImport3DFile import3dfile = new Import3DFileClass();import3dfile.CreateFromFile(file3ds);IMultiPatch p3DMultiPatch = import3dfile.Geometry as IMultiPatch;IMarker3DSymbol p3DSymbol = new Marker3DSymbolClass();p3DSymbol.Shape = p3DMultiPatch;IMarker

5、Symbol pMarkerSymbol = _ p3DSymbol as IMarkerSymbol;/后面，可以将符号做为Ielement的符号IElement pElement = new MarkerElementClass();IMarkerElement pMarkerElement = pElement as IMarkerElement;pMarkerElement.Symbol = _PlaneSymbol as IMarkerSymbol;/然后将pElement加入到Globe的GraphicsLayer中即可。IGraphicsLayer pGraphicsLayer

6、= (_Globe.Globe as IBasicMap).BasicGraphicsLayer;ILayerExtensions pLayerExt = pGraphicsLayer as ILayerExtensions;I3DProperties p3DPro = pLayerExt.get_Extension(0) as I3DProperties;p3DPro.Illuminate = true;IGraphicsContainer3D pGraphicsContainer3D = pGraphicsLayer as IGraphicsContainer3D; pGraphicsCo

7、ntainer3D.DeleteAllElements(); pGraphicsContainer3D.AddElement(pElement );IGraphicsSelection pGraphicsSelection = pGraphicsContainer3D as IGraphicsSelection;_Globe.GlobeDisplay.RefreshViewers();分 享 地 理 价 值旋转3D符号IMarkerElement planeElement = _PlaneElement as IMarkerElement;IMarker3DSymbol p3DSymbol =

8、 planeElement.Symbol as IMarker3DSymbol;ITransform3D pTrans = p3DSymbol.Shape as ITransform3D;IVector3D vector3d = new Vector3DClass();/前后旋转vector3d = new Vector3DClass();vector3d.SetComponents(1, 0, 0);pTrans.RotateVector3D(vector3d, (PitchAngle * Math.PI) / 180.0);/左右旋转vector3d = new Vector3DClass

9、();vector3d.SetComponents(0, 1, 0);pTrans.RotateVector3D(vector3d, (BankAngle * Math.PI) / 180.0);/水平旋转 vector3d = new Vector3DClass();vector3d.SetComponents(0, 0, 1);pTrans.RotateVector3D(vector3d, (Course * Math.PI) / 180.0);planeElement.Symbol = p3DSymbol as IMarkerSymbol;IGraphicsLayer pGraphics

10、Layer = (_Globe.Globe as IBasicMap).BasicGraphicsLayer;IGraphicsContainer pGraphicsContainer = pGraphicsLayer as IGraphicsContainer;pGraphicsContainer.UpdateElement(_PlaneElement);分 享 地 理 价 值显示矢量线数据创建矢量线对象，与二维方法是一样的。IPolyline polyline = new PolylineClass();IGeometryCollection oPolyCollection = polyl

11、ine as IGeometryCollection;ISegmentCollection pPath = new PathClass();IPoint PointCur = FlightItemPoint(_FlightData.Items0);object Missing1 = Type.Missing;object Missing2 = Type.Missing;for (int i = 0; i _FlightData.Items.Count; i+) IPoint PointNext = FlightItemPoint(_FlightData.Itemsi); ILine line

12、= new LineClass(); line.PutCoords(PointCur, PointNext); pPath.AddSegment(line as ISegment, ref Missing1, ref Missing2); PointCur = PointNext;oPolyCollection.AddGeometry(pPath as IGeometry, ref Missing1, ref Missing2);IZAware pZAware = polyline as IZAware;pZAware.ZAware = true;分 享 地 理 价 值显示矢量线数据IGrap

13、hicsContainer globeGraphicsLayer = _FlightLineLayer as IGraphicsContainer;globeGraphicsLayer.DeleteAllElements();IElement _FlightLineElement = new LineElementClass();ISimpleLine3DSymbol simpleLineSymbol3D = new SimpleLine3DSymbolClass();simpleLineSymbol3D.Style = esriSimple3DLineStyle.esriS3DLSStrip

14、;/设置颜色和大小simpleLineSymbol3D.ResolutionQuality = 1;IRgbColor rgbColor = new RgbColorClass();rgbColor.RGB = 255000;ILineSymbol lineSymbol = simpleLineSymbol3D as ILineSymbol;lineSymbol.Color = rgbColor;lineSymbol.Width = 2;_FlightLineElement.Geometry = polyline;ILineElement lineElement_2 = _FlightLine

15、Element as ILineElement;lineElement_2.Symbol = lineSymbol;globeGraphicsLayer.AddElement(_FlightLineElement, 1);这是一个GraphicsLayer分 享 地 理 价 值显示3D注记数据IPoint point = new PointClass();point.PutCoords(x, y);point.Z = 300;/控制字距离该坐标点的高度，IText3DElement Ptext3DElement = new Text3DElementClass();Ptext3DElement

16、.AnchorPoint = point;Ptext3DElement.Text = text;Ptext3DElement.BoldFont = true;Ptext3DElement.Alignment = esriT3DAlignment.esriT3DAlignHorizontal;Ptext3DElement.AxisRotation = esriT3DRotationAxis.esriT3DRotateAxisZ;Ptext3DElement.ZAxisScale = 1;Ptext3DElement.Justification = esriT3DJustification.esr

17、iT3DJustifyCenter;Ptext3DElement.Height = size;IFillSymbol pFillSymbol = new SimpleFillSymbol();/color是IRgbColorpFillSymbol.Color = color;IFillShapeElement pFillShapeElement = Ptext3DElement as IFillShapeElement;pFillShapeElement.Symbol = pFillSymbol;IGraphicsContainer3D pGC3D = pGraphyicsLayer as I

18、GraphicsContainer3D;pGC3D.AddElement(pFillShapeElement as IElement);pGlobe.GlobeDisplay.RefreshViewers();分 享 地 理 价 值视角控制l 漫游：AxGlobeControl1.Navigate = Truel 缩放：使用Camera的Zoom方法放大：_Globe.GlobeCamera.Zoom(0.9)缩小：_Globe.GlobeCamera.Zoom(1.1)l 移动：使用Camera的Move方法，ESRI.ArcGIS.Analyst3D.esriCameraMovementT

19、ype代表移动的方向。上移：_Globe.GlobeCamera.Move(esriCameraMoveUp, 0.1)下移：_Globe.GlobeCamera.Move(esriCameraMoveDown, 0.1) 左移：_Globe.GlobeCamera.Move(esriCameraMoveLeft, 0.1)右移：_Globe.GlobeCamera.Move(esriCameraMoveRight, 0.1)缩进：_Globe.GlobeCamera.Move(esriCameraMoveAway, 0.1)缩出：_Globe.GlobeCamera.Move(esriCam

20、eraMoveToward, 0.1)l设置视角：设置Camera的位置：_Globe.GlobeCamera.SetObserverLatLonAlt(Latitude, Longitude, Height);设置Camera指向的位置：_Globe.GlobeCamera.SetTargetLatLonAlt(target.Y, target.X, target.Z);分 享 地 理 价 值三维飞行控制方法11、加载Timer控件2、设置Timer控件的Interval3、Timer.Enable = true;3、在Timer控件的Tick中设置GlobleCamera的位置及指向4、直

21、到飞行完成，Timer.Enable = false;可随心所欲控制飞行视角的位置与指向，但是执行效率低，不便于转换成视频录像。分 享 地 理 价 值三维飞行控制2使用Animation来创建动画1、创建IAnimationTrack2、创建Ikeyframe3、使用Ikeyframe的CaptureProperties方法来记录当前场景的属性4、将Ikeyframe插入到IAnimationTrack中。5、通过GlobeCamera来控制场景到下一个KeyFrame的位置。6、循环35步骤，直到完成所有的KeyFrame的记录。7、将IAnimationTrack加入到Globle中，8、播放Globe中记录的IAnimationTrack。便于使用，灵活度高，集成了输出视频接口分 享 地 理 价 值创建IAnimationTrack IAnimationTrack pAnimationTrack = new AnimationTrackClass();IAnimationType pAnimationType = new AnimationTypeCameraClass();pAnimationTrack.AnimationType = pAnimationType