void axRenderControl1_RcMouseClickSelect(IPickResult PickResult, IPoint IntersectPoint, gviModKeyMask Mask, gviMouseSelectMode EventSender) { //删除包围框 for (int i = 0; i < rPolylinelist.Count; i++) { this.axRenderControl1.ObjectManager.DeleteObject((rPolylinelist[i] as IRenderPolyline).Guid); } rPolylinelist.Clear(); for (int i = 0; i < rPolylinelistWhole.Count; i++) { this.axRenderControl1.ObjectManager.DeleteObject((rPolylinelistWhole[i] as IRenderPolyline).Guid); } rPolylinelistWhole.Clear(); for (int i = 0; i < tableLabelList.Count; i++) { this.axRenderControl1.ObjectManager.DeleteObject((tableLabelList[i] as ITableLabel).Guid); } tableLabelList.Clear(); for (int i = 0; i < modelpointList.Count; i++) { this.axRenderControl1.ObjectManager.DeleteObject((modelpointList[i] as IRenderModelPoint).Guid); } modelpointList.Clear(); if (rpl1 != null) { this.axRenderControl1.ObjectManager.DeleteObject(rpl1.Guid); } if (rpl2 != null) { this.axRenderControl1.ObjectManager.DeleteObject(rpl2.Guid); } this.axRenderControl1.HighlightHelper.SetRegion(null); if (EventSender == gviMouseSelectMode.gviMouseSelectClick) { IPickResult pr = PickResult; if (pr == null) { return; } if (pr.Type == gviObjectType.gviObject3DTileLayer) { if (Mode == 1) { IPoint intersectPoint = IntersectPoint; IRelationalOperator2D relation = intersectPoint as IRelationalOperator2D; foreach (IFeatureClass fc in fcMap.Keys) { List <string> geoNames = fcMap[fc] as List <string>; if (geoNames.Count == 0) { continue; } IFdeCursor cursor = null; IRowBuffer row = null; List <IRowBuffer> list = new List <IRowBuffer>(); try { ISpatialFilter filter = new SpatialFilter(); filter.Geometry = intersectPoint; filter.SpatialRel = gviSpatialRel.gviSpatialRelEnvelope; filter.GeometryField = "Geometry"; cursor = fc.Search(filter, false); while ((row = cursor.NextRow()) != null) { list.Add(row); } //开始遍历 foreach (IRowBuffer r in list) { int geometryIndex = -1; geometryIndex = r.FieldIndex(geoNames[0].ToString()); if (geometryIndex != -1) { IGeometry polygon = r.GetValue(geometryIndex) as IGeometry; if (relation.Within2D(polygon)) { this.axRenderControl1.HighlightHelper.SetRegion(polygon); } } } } catch (System.Exception ex) { if (ex.GetType().Name.Equals("UnauthorizedAccessException")) { MessageBox.Show("需要标准runtime授权"); } else { MessageBox.Show(ex.Message); } } finally { if (cursor != null) { //System.Runtime.InteropServices.//Marshal.ReleaseComObject(cursor); cursor = null; } } if (Mask != gviModKeyMask.gviModKeyCtrl && Mask != gviModKeyMask.gviModKeyShift) { if (list.Count > 0) { break; } } } } else if (Mode == 2) { this.axRenderControl1.Camera.GetCamera2(out cameraPoint, out cameraAngle); IProximityOperator disOperator = cameraPoint as IProximityOperator; double length = disOperator.Distance3D(IntersectPoint); //向相机方向延伸n米:n跟眼睛到交点距离有关,当距离远时n大,当距离近时n小。 factor = length * 0.001; IPoint aimingPoint = this.axRenderControl1.Camera.GetAimingPoint2(IntersectPoint, cameraAngle, factor); IPoint sourcePoint = this.axRenderControl1.Camera.GetAimingPoint2(IntersectPoint, cameraAngle, -factor); IPolyline intersetPolyline = geoFactory.CreateGeometry(gviGeometryType.gviGeometryPolyline, gviVertexAttribute.gviVertexAttributeZ) as IPolyline; intersetPolyline.SpatialCRS = _currentCRS; intersetPolyline.AppendPoint(sourcePoint); //瓦片焦点可能在ModelPoint内部,导致拾取不上。因此要向intersectPoint内外各拉一定距离。 //intersetPolyline.AppendPoint(IntersectPoint); intersetPolyline.AppendPoint(aimingPoint); ICurveSymbol cs = new CurveSymbol(); cs.Color = System.Drawing.Color.Yellow; cs.Width = -5; rpl1 = this.axRenderControl1.ObjectManager.CreateRenderPolyline(intersetPolyline, cs, rootId); rpl1.Glow(-1); //IPolyline intersetPolyline2 = geoFactory.CreateGeometry(gviGeometryType.gviGeometryPolyline, gviVertexAttribute.gviVertexAttributeZ) as IPolyline; //intersetPolyline2.AppendPoint(cameraPoint); //intersetPolyline2.AppendPoint(IntersectPoint); //cs.Color = System.Drawing.Color.Yellow; //rpl2 = this.axRenderControl1.ObjectManager.CreateRenderPolyline(intersetPolyline2, cs, rootId); //rpl2.Glow(-1); foreach (IFeatureClass fc in fcMap.Keys) { ISpatialFilter sp = new SpatialFilter(); sp.Geometry = intersetPolyline; sp.SpatialRel = gviSpatialRel.gviSpatialRelIntersects; sp.GeometryField = "Geometry"; IFdeCursor cursor = null; try { cursor = fc.Search(sp, false); IRowBuffer row = null; while ((row = cursor.NextRow()) != null) { int index = row.FieldIndex("Geometry"); IModelPoint mp = row.GetValue(index) as IModelPoint; //DrawEnvelope(mp.Envelope, mp.SpatialCRS, out rPolylinelist); //rPolylinelistWhole.AddRange(rPolylinelist); //创建RenderModelPoint,显示轮廓线 //IModelPointSymbol mps = new ModelPointSymbol(); //mps.Color = 0; //防止与瓦片同时显示时打架 //mps.EnableColor = true; //mps.SetResourceDataSet(fc.FeatureDataSet); //IRenderModelPoint rmp = this.axRenderControl1.ObjectManager.CreateRenderModelPoint(mp, mps, rootId); //rmp.ShowOutline = true; //modelpointList.Add(rmp); //创建RenderModelPoint,禁止深度检测 IModelPointSymbol mps = new ModelPointSymbol(); mps.Color = System.Drawing.Color.Red; mps.EnableColor = true; mps.EnableTexture = false; mps.SetResourceDataSet(fc.FeatureDataSet); IRenderModelPoint rmp = this.axRenderControl1.ObjectManager.CreateRenderModelPoint(mp, mps, rootId); rmp.DepthTestMode = gviDepthTestMode.gviDepthTestDisable; //防止与瓦片同时显示时打架 modelpointList.Add(rmp); //创建TableLabel if (fde_point == null) { fde_point = (new GeometryFactory()).CreatePoint(gviVertexAttribute.gviVertexAttributeZ); } fde_point.Position = mp.Position; fde_point.SpatialCRS = mp.SpatialCRS; tableLabelList.Add(DrawTableLabel(row, fde_point)); } } catch (COMException ex) { System.Diagnostics.Trace.WriteLine(ex.Message); } finally { if (cursor != null) { //System.Runtime.InteropServices.//Marshal.ReleaseComObject(cursor); cursor = null; } } } } } } }