/// <summary> /// 获取点击地图上的点 /// </summary> /// <param name="Button"></param> /// <param name="Shift"></param> /// <param name="X"></param> /// <param name="Y"></param> public override void OnMouseDown(int Button, int Shift, int X, int Y) { try { ESRI.ArcGIS.Geometry.IPoint pMapPoint = new ESRI.ArcGIS.Geometry.PointClass();; ISceneGraph pSceneGraph = m_sceneHookHelper.SceneGraph; object pOwner; object pObject; object before = Type.Missing; object after = Type.Missing; object StepSize = Type.Missing; IDisplay3D pDisplay; pSceneGraph.Locate(pSceneGraph.ActiveViewer, X, Y, esriScenePickMode.esriScenePickGeography, true, out pMapPoint, out pOwner, out pObject); //获取鼠标点击的位置并转化为地理坐标 if (pMapPoint == null) { return; } pMapPoint.Z = pMapPoint.Z / m_sceneHookHelper.Scene.ExaggerationFactor; pMapPoint.Z = m_psurface.GetElevation(pMapPoint); pMapPoint.SpatialReference = pSceneGraph.Scene.SpatialReference; pDisplay = m_sceneHookHelper.SceneGraph as IDisplay3D; pDisplay.FlashLocation(pMapPoint);//闪烁显示被点击的位置 IGeometry pGeom = null; Cls3DMarkDraw.DeleteAllElementsWithName(m_sceneHookHelper.Scene, sPolyOutlineName); //根据绘制对象类型的不同定义不同的类型 switch (m_DrawType.ToString()) { case "esriGeometryPoint": m_Geometry = pMapPoint; break; case "esriGeometryLine": if (m_pPointColl == null) { m_pPointColl = new PolylineClass(); pGeom = new PolylineClass(); } m_pPointColl.AddPoint(pMapPoint, ref before, ref after); break; case "esriGeometryPolygon": if (m_pPointColl == null) { m_pPointColl = new PolygonClass(); pGeom = new PolygonClass(); } m_pPointColl.AddPoint(pMapPoint, ref before, ref after); break; } //BeginDrawed(true); IGroupElement pGroup = null; if (m_pPointColl.PointCount == 1) { //当为一个点时绘制点 Cls3DMarkDraw.AddSimpleGraphic(pMapPoint, Cls3DMarkDraw.getRGB(71, 61, 255), 4, sPolyOutlineName, m_sceneHookHelper.Scene, pGroup); } else if (m_DrawType.ToString() == "esriGeometryLine") { pGeom = m_pPointColl as IGeometry; pGeom.SpatialReference = pMapPoint.SpatialReference; m_psurface.InterpolateShape(pGeom, out pGeom, ref StepSize); Cls3DMarkDraw.AddSimpleGraphic(pGeom, Cls3DMarkDraw.getRGB(71, 61, 255), 4, sPolyOutlineName, m_sceneHookHelper.Scene, pGroup); m_pPointColl = pGeom as IPointCollection; } else { ITopologicalOperator pTopo = m_pPointColl as ITopologicalOperator; pGeom = pTopo.Boundary; pGeom.SpatialReference = pMapPoint.SpatialReference; m_psurface.InterpolateShape(pGeom, out pGeom, ref StepSize); Cls3DMarkDraw.AddSimpleGraphic(pGeom, Cls3DMarkDraw.getRGB(71, 61, 255), 4, sPolyOutlineName, m_sceneHookHelper.Scene, pGroup); } m_sceneHookHelper.SceneGraph.RefreshViewers(); } catch { return; } }
public override void OnMouseDown(int Button, int Shift, int X, int Y) { try { ESRI.ArcGIS.Geometry.IPoint pMapPoint = new ESRI.ArcGIS.Geometry.PointClass();; object before = Type.Missing; object after = Type.Missing; object StepSize = Type.Missing; m_hookHelper.FocusMap.SpatialReference = m_psurface.Domain.SpatialReference; pMapPoint = m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(X, Y); if (pMapPoint == null) { return; } pMapPoint.Project(m_psurface.Domain.SpatialReference); pMapPoint.Z = m_psurface.GetElevation(pMapPoint); //pMapPoint.SpatialReference = m_hookHelper.FocusMap.SpatialReference; //pDisplay = m_sceneHookHelper.SceneGraph as IDisplay3D; //pDisplay.FlashLocation(pMapPoint);//闪烁显示被点击的位置 IGeometry pGeom = null; ClsMarkDraw.DeleteAllElementsWithName(m_hookHelper.FocusMap, sPolyOutlineName); //根据绘制对象类型的不同定义不同的类型 switch (m_DrawType.ToString()) { case "esriGeometryPoint": m_Geometry = pMapPoint; break; case "esriGeometryLine": if (m_pPointColl == null) { m_pPointColl = new PolylineClass(); pGeom = new PolylineClass(); } m_pPointColl.AddPoint(pMapPoint, ref before, ref after); break; case "esriGeometryPolygon": if (m_pPointColl == null) { m_pPointColl = new PolygonClass(); pGeom = new PolygonClass(); } m_pPointColl.AddPoint(pMapPoint, ref before, ref after); break; } //BeginDrawed(true); IGroupElement pGroup = null; if (m_pPointColl.PointCount == 1) { //当为一个点时绘制点 ClsMarkDraw.AddSimpleGraphic(pMapPoint, ClsMarkDraw.getRGB(71, 61, 255), 3, sPolyOutlineName, m_hookHelper.FocusMap, pGroup); } else if (m_DrawType.ToString() == "esriGeometryLine") { pGeom = m_pPointColl as IGeometry; pGeom.SpatialReference = pMapPoint.SpatialReference; m_psurface.InterpolateShape(pGeom, out pGeom, ref StepSize); ClsMarkDraw.AddSimpleGraphic(pGeom, ClsMarkDraw.getRGB(71, 61, 255), 2, sPolyOutlineName, m_hookHelper.FocusMap, pGroup); m_pPointColl = pGeom as IPointCollection; } else { ITopologicalOperator pTopo = m_pPointColl as ITopologicalOperator; pGeom = pTopo.Boundary; pGeom.SpatialReference = pMapPoint.SpatialReference; m_psurface.InterpolateShape(pGeom, out pGeom, ref StepSize); ClsMarkDraw.AddSimpleGraphic(pGeom, ClsMarkDraw.getRGB(71, 61, 255), 2, sPolyOutlineName, m_hookHelper.FocusMap, pGroup); } m_hookHelper.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null); } catch { return; } }