Beispiel #1
0
        private void ShowClickedNodeInfo(TreeNode nodeClicked, bool doFlash)
        {
            if (nodeClicked == null)
            {
                //初始化树型显示窗口
                InitializeAttributesList();
                return;
            }
            //获取点击点对应的要素
            int nodeLevel = nodeClicked.Level;
            //获取点击的是图层还是图层下的要素
            //若featureIndex < 0则表示点击的是图层,闪烁图层下选中的所有要素
            //反之,则表示点击的是图层下的要素,获取图层索引和要素索引,
            //用于在结果列表中安索引获取要素或要素集属性
            int layerIndex   = -1;
            int featureIndex = -1;

            if (nodeLevel > 0)
            {
                TreeNode parentNode = nodeClicked.Parent;
                layerIndex   = parentNode.Index;
                featureIndex = nodeClicked.Index;
            }
            else
            {
                layerIndex = nodeClicked.Index;
            }
            //获取对应要素
            LayerIdentifiedResult layerResult = identifiedResultsList[layerIndex];

            //点击了图层下的要素
            if (featureIndex > -1)
            {
                IFeatureIdentifyObj identifyObjDefault = layerResult.IdentifiedFeatureObjList[featureIndex];
                IFeature            featureDefault     = (identifyObjDefault as IRowIdentifyObject).Row as IFeature;
                //显示属性
                ShowFeatureAttributes(featureDefault);
                DisplayCoordinates(featureDefault.Shape);
                if (ZoomToShape)
                {
                    EsriUtils.ZoomToGeometry(featureDefault.Shape, _context.MapControl.Map, 2);
                    if (doFlash)
                    {
                        FlashUtility.FlashGeometry(featureDefault.Shape, _context.MapControl);
                    }
                }
            }
            //点击了图层,同时闪烁图层下的所有要素图形
            else
            {
                //flashObjects.FlashObjects(layerResult);
            }
        }
Beispiel #2
0
        private void cardView1_FocusedRowChanged(object sender,
                                                 DevExpress.XtraGrid.Views.Base.FocusedRowChangedEventArgs e)
        {
            DataRow row = cardView1.GetDataRow(e.FocusedRowHandle);

            if (row["要素"] == null)
            {
                return;
            }
            IGeometry geometry = row["要素"] as IGeometry;

            if (ZoomToShape)
            {
                EsriUtils.ZoomToGeometry(geometry, _map, 2);
                FlashUtility.FlashGeometry(geometry, _context.MapControl);
            }
        }
        private void StartAnalysis(IFeature feature)
        {
            if (feature.FeatureType != esriFeatureType.esriFTSimpleJunction)
            {
                MessageService.Current.Warn("请选择管线点");
                return;
            }
            if (!_pipelineConfig.IsPipelineLayer(feature.Class.AliasName, enumPipelineDataType.Point))
            {
                MessageService.Current.Warn("请选择管线点");
                return;
            }
            double snapDist = CommonUtils.ConvertPixelsToMapUnits(_context.ActiveView,
                                                                  _context.Config.SnapTolerance);
            IBasicLayerInfo lineConfig =
                _plugin.PipeConfig.GetBasicLayerInfo(feature.Class as IFeatureClass) as IBasicLayerInfo;

            if (this._startPoint == null && _startEid == 0)
            {
                //开始记录起始点
                IPipelineLayer oldLayer = _pipelineConfig.GetPipelineLayer(feature.Class.AliasName,
                                                                           enumPipelineDataType.Point);
                if (oldLayer == null)
                {
                    MessageService.Current.Warn("你选择的图层不是合法的管线图层!");
                    return;
                }
                List <IBasicLayerInfo> basicInfos = oldLayer.GetLayers(enumPipelineDataType.Junction);

                IFeatureClass featureClass = basicInfos.Count > 0 ? basicInfos[0].FeatureClass : null;
                if (featureClass == null)
                {
                    MessageService.Current.Warn("管线图层没有构建网络图层!");
                    return;
                }
                INetworkClass networkClass = featureClass as INetworkClass;
                _geometricNetwork = networkClass.GeometricNetwork;
                IPointToEID pnToEid = new PointToEIDClass();
                pnToEid.GeometricNetwork = _geometricNetwork;
                pnToEid.SnapTolerance    = snapDist;
                pnToEid.SourceMap        = _context.FocusMap;
                pnToEid.GetNearestJunction(feature.Shape as IPoint, out _startEid, out _startPoint);
                return;
            }
            IPipelineLayer newLayer = _pipelineConfig.GetPipelineLayer(feature.Class.AliasName,
                                                                       enumPipelineDataType.Point);

            if (newLayer == null)
            {
                MessageService.Current.Warn("你选择的图层不是合法的管线图层!");
                return;
            }
            List <IBasicLayerInfo> basicInfos1 = newLayer.GetLayers(enumPipelineDataType.Junction);

            IFeatureClass featureClass2 = basicInfos1.Count > 0 ? basicInfos1[0].FeatureClass : null;

            if (featureClass2 == null)
            {
                MessageService.Current.Warn("第二个管线图层没有构建网络图层!");
                return;
            }
            INetworkClass networkClass2 = featureClass2 as INetworkClass;

            if (networkClass2.GeometricNetwork != _geometricNetwork)
            {
                if (MessageService.Current.Ask("两个点位属于不同的网络图层,使用第二个网络图层作为分析图层吗?") == false)
                {
                    return;
                }
                _geometricNetwork = networkClass2.GeometricNetwork;
                IPointToEID pnToEid = new PointToEIDClass();
                pnToEid.GeometricNetwork = _geometricNetwork;
                pnToEid.SnapTolerance    = snapDist;
                pnToEid.SourceMap        = _context.FocusMap;
                pnToEid.GetNearestJunction(feature.Shape as IPoint, out _startEid, out _startPoint);
                return;
            }

            try
            {
                IPointToEID pntEid = new PointToEIDClass();
                pntEid.GeometricNetwork = _geometricNetwork;
                pntEid.SourceMap        = _context.FocusMap;
                pntEid.SnapTolerance    = snapDist;

                pntEid.GetNearestJunction(feature.Shape as IPoint, out _endEid, out _endPoint);
                if (_endEid < 1)
                {
                    MessageService.Current.Warn("未能找到第二个分析点!");
                    return;
                }
                if (_startEid == _endEid)
                {
                    MessageService.Current.Warn("起点终点为同一个点!");
                    return;
                }

                INetElements  netElements  = _geometricNetwork.Network as INetElements;
                INetworkClass networkClass = feature.Class as INetworkClass;

                IJunctionFlag[] array   = new JunctionFlag[2];
                INetFlag        netFlag = new JunctionFlag() as INetFlag;

                int userClassID;
                int userID;
                int userSubID;
                netElements.QueryIDs(_endEid, esriElementType.esriETJunction, out userClassID, out userID, out userSubID);
                netFlag.UserClassID = (userClassID);
                netFlag.UserID      = (userID);
                netFlag.UserSubID   = (userSubID);
                IJunctionFlag value = netFlag as IJunctionFlag;
                array.SetValue(value, 0);
                INetFlag netFlag2 = new JunctionFlag() as INetFlag;
                netElements.QueryIDs(_startEid, esriElementType.esriETJunction, out userClassID,
                                     out userID, out userSubID);
                netFlag2.UserClassID = (userClassID);
                netFlag2.UserID      = (userID);
                netFlag2.UserSubID   = (userSubID);
                value = (netFlag2 as IJunctionFlag);
                array.SetValue(value, 1);
                ITraceFlowSolverGEN traceFlowSolverGEN = new TraceFlowSolver() as ITraceFlowSolverGEN;
                INetSolver          netSolver          = traceFlowSolverGEN as INetSolver;
                netSolver.SourceNetwork = _geometricNetwork.Network;
                traceFlowSolverGEN.PutJunctionOrigins(ref array);
                object[]    array2 = new object[1];
                IEnumNetEID enumNetEID;
                IEnumNetEID enumNetEID2;
                traceFlowSolverGEN.FindPath((esriFlowMethod)2, (esriShortestPathObjFn)1, out enumNetEID,
                                            out enumNetEID2, 1, ref array2);
                if (this.ipolyline_0 == null)
                {
                    this.ipolyline_0 = new Polyline() as IPolyline;
                }
                IGeometryCollection geometryCollection = this.ipolyline_0 as IGeometryCollection;
                geometryCollection.RemoveGeometries(0, geometryCollection.GeometryCount);
                if (enumNetEID2.Count <= 0)
                {
                    this.ifeature_0 = null;
                    MessageBox.Show("两点之间不存在路径可以连通!");
                }
                else
                {
                    ShowShortObjectForm showShortObjectForm = new ShowShortObjectForm(_context);
                    showShortObjectForm.pApp = _context;
                    ISpatialReference spatialReference = _context.FocusMap.SpatialReference;
                    IEIDHelper        eIDHelperClass   = new EIDHelper();
                    eIDHelperClass.GeometricNetwork       = (networkClass.GeometricNetwork);
                    eIDHelperClass.OutputSpatialReference = (spatialReference);
                    eIDHelperClass.ReturnGeometries       = (true);
                    eIDHelperClass.ReturnFeatures         = (true);
                    IEnumEIDInfo enumEIDInfo = eIDHelperClass.CreateEnumEIDInfo(enumNetEID2);
                    int          count       = enumEIDInfo.Count;
                    enumEIDInfo.Reset();
                    for (int i = 0; i < count; i++)
                    {
                        IEIDInfo  iEIDInfo = enumEIDInfo.Next();
                        IGeometry geometry = iEIDInfo.Geometry;
                        if (i == 0)
                        {
                            showShortObjectForm.AddPipeName(this.string_0);
                        }
                        showShortObjectForm.AddFeature(iEIDInfo.Feature);
                        geometryCollection.AddGeometryCollection(geometry as IGeometryCollection);
                    }
                    showShortObjectForm.AddShortPath(this.ipolyline_0);
                    showShortObjectForm.AddLenght(this.ipolyline_0.Length);
                    this.ifeature_2 = feature;
                    EsriUtils.ZoomToGeometry(this.ipolyline_0, _context.MapControl.Map, 1.3);
                    FlashUtility.FlashGeometry(this.ipolyline_0, _context.MapControl);
                    this.ifeature_0   = null;
                    _startEid         = 0;
                    _startPoint       = null;
                    _geometricNetwork = null;
                    showShortObjectForm.Show();
                }
            }
            catch (Exception ex)
            {
                this.ifeature_0 = null;
                MessageBox.Show(ex.Message);
            }
        }