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); } }
private void SetButton_Click(object obj, EventArgs eventArgs) { int count = this.listJunctionFlag.Count; int count2 = this.listEdgeFlag.Count; int count3 = this.listJunctionBarrier.Count; int count4 = this.listEdgeBarrier.Count; if (count < 1 && count2 < 1) { MessageBox.Show("请用户选择要分析的点或线!"); } else { IEdgeFlag[] array = new EdgeFlag[count2]; IJunctionFlag[] array2 = new JunctionFlag[count]; INetwork network = null; INetworkClass networkClass = null; if (count > 0) { for (int i = 0; i < count; i++) { IFeature feature = this.listJunctionFlag[i]; networkClass = (feature.Class as INetworkClass); network = networkClass.GeometricNetwork.Network; INetElements netElements = network as INetElements; INetFlag netFlag = new JunctionFlag() as INetFlag; ISimpleJunctionFeature simpleJunctionFeature = feature as ISimpleJunctionFeature; int userClassID; int userID; int userSubID; netElements.QueryIDs(simpleJunctionFeature.EID, (esriElementType)1, out userClassID, out userID, out userSubID); netFlag.UserClassID = (userClassID); netFlag.UserID = (userID); netFlag.UserSubID = (userSubID); IJunctionFlag junctionFlag = netFlag as IJunctionFlag; array2[i] = junctionFlag; } } if (count2 > 0) { for (int j = 0; j < count2; j++) { IFeature feature2 = this.listEdgeFlag[j]; networkClass = (feature2.Class as INetworkClass); network = networkClass.GeometricNetwork.Network; INetElements netElements2 = network as INetElements; INetFlag netFlag2 = new EdgeFlag() as INetFlag; ISimpleEdgeFeature simpleEdgeFeature = feature2 as ISimpleEdgeFeature; int userClassID2; int userID2; int userSubID2; netElements2.QueryIDs(simpleEdgeFeature.EID, (esriElementType)2, out userClassID2, out userID2, out userSubID2); netFlag2.UserClassID = (userClassID2); netFlag2.UserID = (userID2); netFlag2.UserSubID = (userSubID2); IEdgeFlag edgeFlag = netFlag2 as IEdgeFlag; array[j] = edgeFlag; } } ITraceFlowSolverGEN traceFlowSolverGEN = new TraceFlowSolver() as ITraceFlowSolverGEN; INetSolver netSolver = traceFlowSolverGEN as INetSolver; INetElementBarriersGEN netElementBarriersGEN = new NetElementBarriers(); netElementBarriersGEN.Network = (network); netElementBarriersGEN.ElementType = (esriElementType)(1); int[] array3 = new int[count3]; int num = 0; if (count3 > 0) { for (int k = 0; k < count3; k++) { IFeature feature3 = this.listJunctionBarrier[k]; networkClass = (feature3.Class as INetworkClass); network = networkClass.GeometricNetwork.Network; INetElements netElements3 = network as INetElements; new EdgeFlag(); ISimpleJunctionFeature simpleJunctionFeature2 = feature3 as ISimpleJunctionFeature; int num2; int num3; netElements3.QueryIDs(simpleJunctionFeature2.EID, (esriElementType)1, out num, out num2, out num3); array3[k] = num2; } netElementBarriersGEN.SetBarriers(num, ref array3); netSolver.set_ElementBarriers((esriElementType)1, (INetElementBarriers)netElementBarriersGEN); } INetElementBarriersGEN netElementBarriersGEN2 = new NetElementBarriers(); netElementBarriersGEN2.Network = (network); netElementBarriersGEN2.ElementType = (esriElementType)(2); int[] array4 = new int[count4]; if (count4 > 0) { for (int l = 0; l < count4; l++) { IFeature feature4 = this.listEdgeBarrier[l]; networkClass = (feature4.Class as INetworkClass); network = networkClass.GeometricNetwork.Network; INetElements netElements4 = network as INetElements; new EdgeFlag(); ISimpleEdgeFeature simpleEdgeFeature2 = feature4 as ISimpleEdgeFeature; int num4; int num5; netElements4.QueryIDs(simpleEdgeFeature2.EID, (esriElementType)2, out num, out num4, out num5); array4[l] = num4; } netElementBarriersGEN2.SetBarriers(num, ref array4); netSolver.set_ElementBarriers((esriElementType)2, (INetElementBarriers)netElementBarriersGEN2); } netSolver.SourceNetwork = (network); if (count > 0) { traceFlowSolverGEN.PutJunctionOrigins(ref array2); } if (count2 > 0) { traceFlowSolverGEN.PutEdgeOrigins(ref array); } IEnumNetEID enumNetEID = null; IEnumNetEID enumNetEID2 = null; object[] array5 = new object[1]; if (this.WayCom.SelectedIndex == 0) { traceFlowSolverGEN.FindSource(0, (esriShortestPathObjFn)1, out enumNetEID, out enumNetEID2, count + count2, ref array5); } if (this.WayCom.SelectedIndex == 1) { traceFlowSolverGEN.FindSource((esriFlowMethod)1, (esriShortestPathObjFn)1, out enumNetEID, out enumNetEID2, count + count2, ref array5); } IPolyline polyline = new Polyline() as IPolyline; IGeometryCollection geometryCollection = polyline as IGeometryCollection; ISpatialReference spatialReference = this.m_iApp.FocusMap.SpatialReference; IEIDHelper iEIDHelper = new EIDHelper(); iEIDHelper.GeometricNetwork = (networkClass.GeometricNetwork); iEIDHelper.OutputSpatialReference = (spatialReference); iEIDHelper.ReturnGeometries = (true); iEIDHelper.ReturnFeatures = (true); int selectedIndex = this.LayerCom.SelectedIndex; if (selectedIndex >= 0 && this.MapControl != null) { this.LayerCom.SelectedItem.ToString(); IFeatureLayer ifeatureLayer_ = ((TrackingAnalyForm.LayerInfo) this.LayerCom.SelectedItem)._layer; if (ifeatureLayer_ != null) { IFeatureSelection featureSelection = (IFeatureSelection)ifeatureLayer_; featureSelection.Clear(); if (enumNetEID2 != null) { IEnumEIDInfo enumEIDInfo = iEIDHelper.CreateEnumEIDInfo(enumNetEID2); int count5 = enumEIDInfo.Count; enumEIDInfo.Reset(); for (int m = 0; m < count5; m++) { IEIDInfo iEIDInfo = enumEIDInfo.Next(); featureSelection.Add(iEIDInfo.Feature); IGeometry geometry = iEIDInfo.Geometry; geometryCollection.AddGeometryCollection(geometry as IGeometryCollection); } } featureSelection.SelectionSet.Refresh(); IActiveView activeView = this.m_iApp.ActiveView; activeView.Refresh(); CMapOperator.ShowFeatureWithWink(this.m_iApp.ActiveView.ScreenDisplay, polyline); } } } }