private void repositoryItemButtonEdit1_ButtonClick(object sender, DevExpress.XtraEditors.Controls.ButtonPressedEventArgs e) { DevExpress.XtraEditors.Controls.EditorButton btn = e.Button; switch (btn.Caption) { case "定位": DF3DApplication app = DF3DApplication.Application; if (app == null || app.Current3DMapControl == null) { return; } int focusedRowHandle = this.gridView1.FocusedRowHandle; if (focusedRowHandle == -1) { return; } DataRow dr = this.gridView1.GetDataRow(focusedRowHandle); if (dr["geo"] != null && dr["Name"] != null && dr["fcName"] != null && dr["fc"] != null) { ISurfaceSymbol ss = new SurfaceSymbolClass(); ss.Color = 0xcc00ff00; ICurveSymbol cs = new CurveSymbolClass(); cs.Color = 0xff00ff00; cs.Width = -5; ss.BoundarySymbol = cs; ISimplePointSymbol ps = new SimplePointSymbol(); ps.Size = SystemInfo.Instance.SymbolSize; ps.FillColor = Convert.ToUInt32(SystemInfo.Instance.FillColor, 16); IGeometry objGeo = dr["geo"] as IGeometry; if (objGeo.GeometryType == gviGeometryType.gviGeometryModelPoint) { IModelPoint mp = objGeo as IModelPoint; IModelPointSymbol mps = new ModelPointSymbol(); mps.SetResourceDataSet((dr["fc"] as IFeatureClass).FeatureDataSet); mps.Color = 0xffffff00; IRenderModelPoint rMP = app.Current3DMapControl.ObjectManager.CreateRenderModelPoint(mp, mps, app.Current3DMapControl.ProjectTree.RootID); rMP.Glow(8000); app.Current3DMapControl.ObjectManager.DelayDelete(rMP.Guid, 8000); IGeometryFactory geoFact = new GeometryFactory(); IPoint pt = geoFact.CreatePoint(gviVertexAttribute.gviVertexAttributeZ); pt.X = mp.X; pt.Y = mp.Y; pt.Z = mp.Z; ITableLabel tl = DrawTool.CreateTableLabel1(1); tl.TitleText = dr["fcName"].ToString(); tl.SetRecord(0, 0, dr["Name"].ToString()); tl.Position = pt; this._listRender.Add(tl.Guid); app.Current3DMapControl.Camera.FlyToObject(tl.Guid, gviActionCode.gviActionFlyTo); } } break; } }
/// <summary> /// 单击表格记录进行定位 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void dataGridView1_CellClick(object sender, DataGridViewCellEventArgs e) { DataGridViewRow row = this.dataGridView1.Rows[e.RowIndex]; if (row != null) { string fid = row.Cells["FID"].Value.ToString(); IFeatureClass fc = row.Cells["FID"].Tag as IFeatureClass; IModelPoint mp = rowMap[fid].Modelpoint; IModelPointSymbol symbol = new ModelPointSymbol(); symbol.SetResourceDataSet(fc.FeatureDataSet); IRenderModelPoint rmp = this.axRenderControl1.ObjectManager.CreateRenderModelPoint(mp, symbol, rootId); if (rmp != null) { //定位 this.axRenderControl1.Camera.FlyToObject(rmp.Guid, gviActionCode.gviActionJump); //闪烁 rmp.Glow(2000); this.axRenderControl1.ObjectManager.DelayDelete(rmp.Guid, 2000); } } }
private void GetData() { string whereClause = _dict[_currentClass]; SubClass sc = _currentClass; if (sc.Parent == null) { return; } string[] arrFc3DId = sc.Parent.Fc3D.Split(';'); if (arrFc3DId == null) { return; } foreach (string fc3DId in arrFc3DId) { DF3DFeatureClass dffc = DF3DFeatureClassManager.Instance.GetFeatureClassByID(fc3DId); if (dffc == null) { continue; } FacilityClass facc = dffc.GetFacilityClass(); IFeatureClass fc = dffc.GetFeatureClass(); if (fc == null || facc == null || facc.Name != this._facType) { continue; } List <DFDataConfig.Class.FieldInfo> facFields = facc.FieldInfoCollection; if (facFields == null || facFields.Count == 0) { return; } ISpatialFilter filter = new SpatialFilter(); filter.SpatialRel = gviSpatialRel.gviSpatialRelIntersects; filter.Geometry = this._geo; filter.GeometryField = "FootPrint"; filter.WhereClause = whereClause; _count = fc.GetCount(filter); if (_num > _count || _count == 0) { return; } filter.ResultBeginIndex = _num - 1; filter.ResultLimit = 1; IFdeCursor cursor = null; IRowBuffer row = null; try { cursor = fc.Search(filter, false); if ((row = cursor.NextRow()) != null) { #region 定位 int geoindex = row.FieldIndex("Geometry"); if (geoindex == -1 || !(row.GetValue(geoindex) is IModelPoint)) { continue; } DF3DApplication app = DF3DApplication.Application; if (app != null && app.Current3DMapControl != null) { IModelPoint geo = row.GetValue(geoindex) as IModelPoint; IModelPointSymbol mps = new ModelPointSymbol(); mps.SetResourceDataSet(fc.FeatureDataSet); IRenderGeometry render = app.Current3DMapControl.ObjectManager.CreateRenderModelPoint(geo, mps, app.Current3DMapControl.ProjectTree.RootID); //app.Current3DMapControl.Camera.FlyToObject(render.Guid, gviActionCode.gviActionJump); render.Glow(5000); app.Current3DMapControl.ObjectManager.DelayDelete(render.Guid, 5000); ITableLabel tl = DrawTool.CreateTableLabel1(1); tl.TitleText = "属性查询"; tl.SetRecord(0, 0, dffc.ToString()); IPoint ptTL = null; int geoshapeindex = row.FieldIndex("Shape"); if (geoshapeindex != -1) { if (!row.IsNull(geoshapeindex)) { IGeometry geoShape = row.GetValue(geoshapeindex) as IGeometry; if (geoShape.GeometryType == gviGeometryType.gviGeometryMultiPolyline) { double x = 0; double y = 0; double z = 0; IMultiPolyline mPolyline = geoShape as IMultiPolyline; for (int m = 0; m < mPolyline.GeometryCount; m++) { IPolyline polyline = mPolyline.GetPolyline(m); IPoint pttemp = polyline.Midpoint; x += pttemp.X; y += pttemp.Y; z += pttemp.Z; } x = x / mPolyline.GeometryCount; y = y / mPolyline.GeometryCount; z = z / mPolyline.GeometryCount; ptTL = (new GeometryFactory()).CreatePoint(gviVertexAttribute.gviVertexAttributeZ); ptTL.X = x; ptTL.Y = y; ptTL.Z = z; } else if (geoShape.GeometryType == gviGeometryType.gviGeometryMultiPolygon) { double x = 0; double y = 0; double z = 0; IMultiPolygon mPolygon = geoShape as IMultiPolygon; for (int m = 0; m < mPolygon.GeometryCount; m++) { IPolygon polygon = mPolygon.GetPolygon(m); IPoint pttemp = polygon.Centroid; x += pttemp.X; y += pttemp.Y; z += pttemp.Z; } x = x / mPolygon.GeometryCount; y = y / mPolygon.GeometryCount; z = z / mPolygon.GeometryCount; ptTL = (new GeometryFactory()).CreatePoint(gviVertexAttribute.gviVertexAttributeZ); ptTL.X = x; ptTL.Y = y; ptTL.Z = z; } else if (geoShape.GeometryType == gviGeometryType.gviGeometryPolyline) { ptTL = (geoShape as IPolyline).Midpoint; } else if (geoShape.GeometryType == gviGeometryType.gviGeometryPoint) { ptTL = geoShape as IPoint; } else if (geoShape.GeometryType == gviGeometryType.gviGeometryPolygon) { ptTL = (geoShape as IPolygon).Centroid; } } } if (ptTL != null) { tl.Position = ptTL; } else { tl.Position = geo; } app.Current3DMapControl.Camera.FlyToObject(tl.Guid, gviActionCode.gviActionFlyTo); app.Current3DMapControl.ObjectManager.DelayDelete(tl.Guid, 5000); } #endregion foreach (DFDataConfig.Class.FieldInfo facField in facFields) { if (!facField.CanQuery) { continue; } int index = row.FieldIndex(facField.Name); if (index != -1 && !row.IsNull(index)) { object obj = row.GetValue(index); string str = ""; IFieldInfo fiFC = row.Fields.Get(index); switch (fiFC.FieldType) { case gviFieldType.gviFieldBlob: case gviFieldType.gviFieldUnknown: case gviFieldType.gviFieldGeometry: continue; case gviFieldType.gviFieldFloat: case gviFieldType.gviFieldDouble: double d; if (double.TryParse(obj.ToString(), out d)) { str = d.ToString("0.00"); } break; default: str = obj.ToString(); break; } DataRow dr = this._dtShow.NewRow(); dr["Property"] = facField.ToString(); dr["Value"] = str; this._dtShow.Rows.Add(dr); } } } } catch (Exception ex) { } finally { if (cursor != null) { System.Runtime.InteropServices.Marshal.ReleaseComObject(cursor); cursor = null; } if (row != null) { System.Runtime.InteropServices.Marshal.ReleaseComObject(row); row = null; } } } }
private void GetData() { if (this.cbLayer.SelectedItem == null) { return; } DF3DFeatureClass dffc = this.cbLayer.SelectedItem as DF3DFeatureClass; if (dffc == null) { return; } IFeatureClass fc = dffc.GetFeatureClass(); if (fc == null) { return; } if (_num > _count || _count == 0) { return; } ISpatialFilter filter = this._filter; filter.ResultBeginIndex = _num - 1; filter.ResultLimit = 1; IFdeCursor cursor = null; IRowBuffer row = null; try { cursor = fc.Search(filter, false); if ((row = cursor.NextRow()) != null) { #region 定位 int geoindex = row.FieldIndex("Geometry"); DF3DApplication app = DF3DApplication.Application; if (geoindex != -1 && !row.IsNull(geoindex) && app != null && app.Current3DMapControl != null) { ISurfaceSymbol ss = new SurfaceSymbolClass(); ss.Color = 0xcc00ff00; ICurveSymbol cs = new CurveSymbolClass(); cs.Color = 0xff00ff00; cs.Width = -5; ss.BoundarySymbol = cs; ISimplePointSymbol ps = new SimplePointSymbol(); ps.Size = SystemInfo.Instance.SymbolSize; ps.FillColor = Convert.ToUInt32(SystemInfo.Instance.FillColor, 16); IGeometry geo = row.GetValue(geoindex) as IGeometry; IPoint ptTL = null; if (geo.GeometryType == gviGeometryType.gviGeometryMultiPolyline) { double x = 0; double y = 0; double z = 0; IMultiPolyline mPolyline = geo as IMultiPolyline; for (int m = 0; m < mPolyline.GeometryCount; m++) { IPolyline polyline = mPolyline.GetPolyline(m); IPoint pttemp = polyline.Midpoint; x += pttemp.X; y += pttemp.Y; z += pttemp.Z; } x = x / mPolyline.GeometryCount; y = y / mPolyline.GeometryCount; z = z / mPolyline.GeometryCount; ptTL = (new GeometryFactory()).CreatePoint(gviVertexAttribute.gviVertexAttributeZ); ptTL.X = x; ptTL.Y = y; ptTL.Z = z; IRenderMultiPolyline rMPolyline = app.Current3DMapControl.ObjectManager.CreateRenderMultiPolyline(mPolyline, cs, app.Current3DMapControl.ProjectTree.RootID); rMPolyline.HeightStyle = gviHeightStyle.gviHeightOnEverything; rMPolyline.Glow(8000); app.Current3DMapControl.ObjectManager.DelayDelete(rMPolyline.Guid, 8000); app.Current3DMapControl.Camera.FlyToObject(rMPolyline.Guid, gviActionCode.gviActionJump); } else if (geo.GeometryType == gviGeometryType.gviGeometryMultiPolygon) { double x = 0; double y = 0; double z = 0; IMultiPolygon mPolygon = geo as IMultiPolygon; for (int m = 0; m < mPolygon.GeometryCount; m++) { IPolygon polygon = mPolygon.GetPolygon(m); IPoint pttemp = polygon.Centroid; x += pttemp.X; y += pttemp.Y; z += pttemp.Z; } x = x / mPolygon.GeometryCount; y = y / mPolygon.GeometryCount; z = z / mPolygon.GeometryCount; ptTL = (new GeometryFactory()).CreatePoint(gviVertexAttribute.gviVertexAttributeZ); ptTL.X = x; ptTL.Y = y; ptTL.Z = z; IRenderMultiPolygon rMPolygon = app.Current3DMapControl.ObjectManager.CreateRenderMultiPolygon(mPolygon, ss, app.Current3DMapControl.ProjectTree.RootID); rMPolygon.HeightStyle = gviHeightStyle.gviHeightOnEverything; rMPolygon.Glow(8000); app.Current3DMapControl.ObjectManager.DelayDelete(rMPolygon.Guid, 8000); app.Current3DMapControl.Camera.FlyToObject(rMPolygon.Guid, gviActionCode.gviActionJump); } else if (geo.GeometryType == gviGeometryType.gviGeometryPolyline) { IPolyline polyline = geo as IPolyline; ptTL = polyline.Midpoint; IRenderPolyline rPolyline = app.Current3DMapControl.ObjectManager.CreateRenderPolyline(polyline, cs, app.Current3DMapControl.ProjectTree.RootID); rPolyline.HeightStyle = gviHeightStyle.gviHeightOnEverything; rPolyline.Glow(8000); app.Current3DMapControl.ObjectManager.DelayDelete(rPolyline.Guid, 8000); app.Current3DMapControl.Camera.FlyToObject(rPolyline.Guid, gviActionCode.gviActionJump); } else if (geo.GeometryType == gviGeometryType.gviGeometryPoint) { IPoint point = geo as IPoint; ptTL = point; IRenderPoint rPoint = app.Current3DMapControl.ObjectManager.CreateRenderPoint(point, ps, app.Current3DMapControl.ProjectTree.RootID); rPoint.Glow(8000); app.Current3DMapControl.ObjectManager.DelayDelete(rPoint.Guid, 8000); app.Current3DMapControl.Camera.FlyToObject(rPoint.Guid, gviActionCode.gviActionJump); } else if (geo.GeometryType == gviGeometryType.gviGeometryPolygon) { IPolygon polygon = geo as IPolygon; ptTL = polygon.Centroid; IRenderPolygon rPolygon = app.Current3DMapControl.ObjectManager.CreateRenderPolygon(polygon, ss, app.Current3DMapControl.ProjectTree.RootID); rPolygon.HeightStyle = gviHeightStyle.gviHeightOnEverything; rPolygon.Glow(8000); app.Current3DMapControl.ObjectManager.DelayDelete(rPolygon.Guid, 8000); app.Current3DMapControl.Camera.FlyToObject(rPolygon.Guid, gviActionCode.gviActionJump); } else if (geo.GeometryType == gviGeometryType.gviGeometryModelPoint) { ptTL = (new GeometryFactory()).CreatePoint(gviVertexAttribute.gviVertexAttributeZ); IModelPoint mp = geo as IModelPoint; ptTL.X = mp.X; ptTL.Y = mp.Y; ptTL.Z = mp.Z; IModelPointSymbol mps = new ModelPointSymbol(); mps.SetResourceDataSet(fc.FeatureDataSet); IRenderGeometry render = app.Current3DMapControl.ObjectManager.CreateRenderModelPoint(mp, mps, app.Current3DMapControl.ProjectTree.RootID); render.Glow(8000); app.Current3DMapControl.ObjectManager.DelayDelete(render.Guid, 8000); app.Current3DMapControl.Camera.FlyToObject(render.Guid, gviActionCode.gviActionJump); } if (ptTL != null) { ITableLabel tl = DrawTool.CreateTableLabel1(1); tl.TitleText = "属性查询"; tl.SetRecord(0, 0, dffc.ToString()); if (ptTL != null) { tl.Position = ptTL; } app.Current3DMapControl.Camera.FlyToObject(tl.Guid, gviActionCode.gviActionFlyTo); app.Current3DMapControl.ObjectManager.DelayDelete(tl.Guid, 8000); } } #endregion FacilityClass facc = dffc.GetFacilityClass(); if (facc == null) { IFieldInfoCollection fiCol = fc.GetFields(); for (int i = 0; i < fiCol.Count; i++) { IFieldInfo fi = fiCol.Get(i); object obj = row.GetValue(i); string str = ""; switch (fi.FieldType) { case gviFieldType.gviFieldBlob: case gviFieldType.gviFieldUnknown: case gviFieldType.gviFieldGeometry: continue; case gviFieldType.gviFieldFloat: case gviFieldType.gviFieldDouble: double d; if (double.TryParse(obj.ToString(), out d)) { str = d.ToString("0.00"); } break; default: str = obj.ToString(); break; } DataRow dr = this._dtShow.NewRow(); dr["Property"] = string.IsNullOrEmpty(fi.Alias) ? fi.Name : fi.Alias; dr["Value"] = str; this._dtShow.Rows.Add(dr); } } else { List <DFDataConfig.Class.FieldInfo> facFields = facc.FieldInfoCollection; if (facFields != null) { foreach (DFDataConfig.Class.FieldInfo facField in facFields) { if (!facField.CanQuery) { continue; } int index = row.FieldIndex(facField.Name); if (index != -1 && !row.IsNull(index)) { object obj = row.GetValue(index); string str = ""; IFieldInfo fiFC = row.Fields.Get(index); switch (fiFC.FieldType) { case gviFieldType.gviFieldBlob: case gviFieldType.gviFieldUnknown: case gviFieldType.gviFieldGeometry: continue; case gviFieldType.gviFieldFloat: case gviFieldType.gviFieldDouble: double d; if (double.TryParse(obj.ToString(), out d)) { str = d.ToString("0.00"); } break; default: str = obj.ToString(); break; } DataRow dr = this._dtShow.NewRow(); dr["Property"] = facField.ToString(); dr["Value"] = str; this._dtShow.Rows.Add(dr); } } } } } } catch (Exception ex) { } finally { if (cursor != null) { System.Runtime.InteropServices.Marshal.ReleaseComObject(cursor); cursor = null; } if (row != null) { System.Runtime.InteropServices.Marshal.ReleaseComObject(row); row = null; } } }
/// <summary> /// 定位和闪烁 /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void dataGridView_MouseDoubleClick(object sender, MouseEventArgs e) { int featureId = int.Parse((sender as DataGridView).CurrentRow.Cells[0].Value.ToString()); IFeatureClass curFeatureClass = null; switch (tabControl1.SelectedTab.Name) { case "tabPage0Road": { foreach (IFeatureClass fc in fcMap.Keys) { if (fc.Name == "Road") { curFeatureClass = fc; } } } break; case "tabPage1Building": { foreach (IFeatureClass fc in fcMap.Keys) { if (fc.Name == "Building") { curFeatureClass = fc; } } } break; case "tabPage2Trees": { foreach (IFeatureClass fc in fcMap.Keys) { if (fc.Name == "Trees") { curFeatureClass = fc; } } } break; case "tabPage3Facility": { foreach (IFeatureClass fc in fcMap.Keys) { if (fc.Name == "Facility") { curFeatureClass = fc; } } } break; case "tabPage4LandScape": { foreach (IFeatureClass fc in fcMap.Keys) { if (fc.Name == "Landscape") { curFeatureClass = fc; } } } break; } string filterString = string.Format("oid={0}", featureId); IQueryFilter filter = new QueryFilter(); filter.WhereClause = filterString; IFdeCursor cursor = null; try { cursor = curFeatureClass.Search(filter, true); if (cursor != null) { IRowBuffer fdeRow = null; if ((fdeRow = cursor.NextRow()) != null) { int nPos = fdeRow.FieldIndex("Geometry"); if (nPos != -1 && !fdeRow.IsNull(nPos)) { IModelPoint mp = fdeRow.GetValue(nPos) as IModelPoint; // 从库中读取值 IModelPointSymbol symbol = new ModelPointSymbol(); symbol.SetResourceDataSet(curFeatureClass.FeatureDataSet); IRenderModelPoint rmp = this.axRenderControl1.ObjectManager.CreateRenderModelPoint(mp, symbol, rootId); if (rmp != null) { // 定位 this.axRenderControl1.Camera.FlyToObject(rmp.Guid, gviActionCode.gviActionJump); // 闪烁 rmp.Glow(2000); this.axRenderControl1.ObjectManager.DelayDelete(rmp.Guid, 2000); } } } } } catch (COMException ex) { System.Diagnostics.Trace.WriteLine(ex.Message); } finally { if (cursor != null) { //Marshal.ReleaseComObject(cursor); cursor = null; } } }
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; } } } } } } }