示例#1
0
        public static INetElementBarriers GetNetElementBarriers(esriElementType type)
        {
            INetElementBarriersGEN sgen = null;
            IList junBarriers           = null;
            int   num2;

            if (type == esriElementType.esriETJunction)
            {
                if (m_JunBarriers.Count == 0)
                {
                    return(null);
                }
                junBarriers = m_JunBarriers;
            }
            else if (type == esriElementType.esriETEdge)
            {
                if (m_EdgeBarriers.Count == 0)
                {
                    return(null);
                }
                junBarriers = m_EdgeBarriers;
            }
            if (junBarriers == null)
            {
                return(null);
            }
            sgen = new NetElementBarriersClass
            {
                ElementType = type,
                Network     = m_pAnalystGN.Network
            };
            IList list2 = new ArrayList();
            IList list3 = new ArrayList();
            IList list4 = null;

            for (num2 = 0; num2 < junBarriers.Count; num2++)
            {
                NetFlagWrap wrap        = junBarriers[num2] as NetFlagWrap;
                int         userClassID = wrap.NetFlag.UserClassID;
                int         index       = list2.IndexOf(userClassID);
                if (index == -1)
                {
                    list2.Add(userClassID);
                    list4 = new ArrayList();
                    list4.Add(wrap.NetFlag.UserID);
                    list3.Add(list4);
                }
                else
                {
                    list4 = list3[index] as IList;
                    list4.Add(wrap.NetFlag.UserID);
                }
            }
            for (num2 = 0; num2 < list2.Count; num2++)
            {
                list4 = list3[num2] as IList;
                int[] array = new int[list4.Count];
                list4.CopyTo(array, 0);
                sgen.SetBarriers((int)list2[num2], ref array);
            }
            return(sgen as INetElementBarriers);
        }
        public static List <int> StreamTrace(IGeometricNetwork geometricNetwork, StartFlagEdge edge, List <int> disabledFeatureClassIds, StopperJunctions stoppers, bool isUpStream, int maxFeatureCount, ServerLogger logger)
        {
            esriFlowMethod direction = isUpStream ? esriFlowMethod.esriFMUpstream : esriFlowMethod.esriFMDownstream;

            if (null == geometricNetwork || null == edge || maxFeatureCount <= 0)
            {
                return(null);
            }
            ITraceFlowSolverGEN traceFlowSolver = new TraceFlowSolverClass() as ITraceFlowSolverGEN;
            INetSolver          netSolver       = traceFlowSolver as INetSolver;

            netSolver.SourceNetwork = geometricNetwork.Network;
            INetFlag netFlag = new EdgeFlagClass();

            netFlag.UserClassID = edge.FeatureClassID;
            netFlag.UserID      = edge.FeatureID;
            //no idea when to assign -1, when to do 0
            netFlag.UserSubID = -1;
            traceFlowSolver.PutEdgeOrigins(new IEdgeFlag[1] {
                netFlag as IEdgeFlag
            });
            if (null != disabledFeatureClassIds)
            {
                foreach (int il in disabledFeatureClassIds)
                {
                    if (il > 0)
                    {
                        netSolver.DisableElementClass(il);
                    }
                }
            }
            if (null != stoppers && null != stoppers.Stoppers && stoppers.Stoppers.Length > 0)
            {
                INetElementBarriersGEN netBarriersGEN = null;
                netBarriersGEN             = new NetElementBarriersClass() as INetElementBarriersGEN;
                netBarriersGEN.ElementType = esriElementType.esriETJunction;
                netBarriersGEN.Network     = geometricNetwork.Network;
                netBarriersGEN.SetBarriers(stoppers.FeatureClassID, stoppers.Stoppers);
                netSolver.set_ElementBarriers(esriElementType.esriETJunction, netBarriersGEN as INetElementBarriers);
            }

            IEnumNetEID junctionEIDs = null;
            IEnumNetEID edgeEIDs     = null;

            traceFlowSolver.TraceIndeterminateFlow = false;
            try
            {
                traceFlowSolver.FindFlowElements(direction, esriFlowElements.esriFEEdges, out junctionEIDs, out edgeEIDs);
                if (null != edgeEIDs)
                {
                    if (edgeEIDs.Count <= maxFeatureCount)
                    {
                        IEIDHelper eidHelper = new EIDHelperClass();
                        eidHelper.GeometricNetwork = geometricNetwork;
                        eidHelper.ReturnGeometries = false;
                        eidHelper.ReturnFeatures   = true;
                        //eidHelper.AddField("FType");
                        IEnumEIDInfo eidInfos = eidHelper.CreateEnumEIDInfo(edgeEIDs);
                        eidInfos.Reset();
                        IEIDInfo   eidInfo = null;
                        List <int> ftrs    = new List <int>();
                        //IFeature cadFtr = null;
                        //int ftype;
                        while ((eidInfo = eidInfos.Next()) != null)
                        {
                            ftrs.Add(eidInfo.Feature.OID);

                            /*cadFtr = eidInfo.Feature;
                             * if (null != cadFtr.get_Value(edgeTypeId) && int.TryParse(cadFtr.get_Value(edgeTypeId).ToString(), out ftype))
                             * {
                             *  if(460 == ftype || 558 == ftype)
                             *      ftrs.Add(cadFtr);
                             * }*/
                        }
                        return(ftrs);
                    }
                }
            }
            catch (Exception e)
            {
                if (null != logger)
                {
                    logger.LogMessage(ServerLogger.msgType.error, typeof(AOUtilities).Name + "." + System.Reflection.MethodBase.GetCurrentMethod().Name, ErrorCode, e.Message);
                }
            }
            finally
            {
                ReleaseCOMObj(traceFlowSolver);
            }
            return(null);
        }