Exemple #1
0
 private void LinkNodeLinks(Mem.Link l, Mem.Node n)
 {
     if (n != null)
     {
         foreach (Mem.Link attLnk in n.Links)
         {
             if (attLnk != l) // don't add ourselves
             {
                 l.AttachedLinks.Add(attLnk);
             }
         }
     }
 }
Exemple #2
0
        public void DoWork(object sender, DoWorkEventArgs e)
        {
            try
            {
                info.InfoText = "Calculating";
                info.OnPropertyChanged("InfoText");
                info.CanImport = false;
                info.OnPropertyChanged("CanImport");

                IQueryable <Data.Node> nodeQuery = (from n in DataContext.Nodes
                                                    select n);


                #region Limit query
                if (info.EastingsMin.HasValue)
                {
                    nodeQuery = (from n in nodeQuery
                                 where n.Easting > info.EastingsMin
                                 select n);
                }

                if (info.EastingsMax.HasValue)
                {
                    nodeQuery = (from n in nodeQuery
                                 where n.Easting < info.EastingsMax
                                 select n);
                }

                if (info.NorthingsMin.HasValue)
                {
                    nodeQuery = (from n in nodeQuery
                                 where n.Northing > info.NorthingsMin
                                 select n);
                }

                if (info.NorthingsMax.HasValue)
                {
                    nodeQuery = (from n in nodeQuery
                                 where n.Northing < info.NorthingsMax
                                 select n);
                }
                #endregion

                IQueryable <Data.Link> linkQuery = (from l in DataContext.Links
                                                    from n in nodeQuery
                                                    where l.ANode == n.ID || l.BNode == n.ID
                                                    select l).Distinct();

                int nodeNo = nodeQuery.Count();
                int linkNo = linkQuery.Count();
                info.MaxRecords = nodeNo + linkNo;
                info.InfoText   = "Nodes: " + nodeNo + ", Links: " + linkNo + Environment.NewLine;
                info.OnPropertyChanged("MaxRecords");
                info.OnPropertyChanged("InfoText");

                Model = new TransportModel.Model.Model();

                info.InfoText += "Loading nodes" + Environment.NewLine;
                info.OnPropertyChanged("InfoText");

                foreach (Data.Node n in nodeQuery)
                {
                    if (CheckForCancellation(this.worker, e))
                    {
                        return;
                    }
                    Mem.Node memNode = new TransportModel.Model.Node(n.ID, n.Easting, n.Northing);
                    Model.AllNodes.Add(n.ID, memNode);

                    info.RecordNumber++;
                    info.OnPropertyChanged("RecordNumber");
                }

                info.InfoText += "Loading links" + Environment.NewLine;
                info.OnPropertyChanged("InfoText");

                foreach (Data.Link l in linkQuery)
                {
                    if (CheckForCancellation(this.worker, e))
                    {
                        return;
                    }
                    Mem.Link link = new TransportModel.Model.Link(l.ID, l.Length, l.Attributes, l.Polyline);

                    if (l.ANode.HasValue && Model.AllNodes.ContainsKey(l.ANode.Value))
                    {
                        link.StartNode = Model.AllNodes[l.ANode.Value];
                        if (link.StartNode != null)
                        {
                            link.StartNode.Links.Add(link);
                        }
                    }

                    if (l.BNode.HasValue && Model.AllNodes.ContainsKey(l.BNode.Value))
                    {
                        link.EndNode = Model.AllNodes[l.BNode.Value];
                        if (link.EndNode != null)
                        {
                            link.EndNode.Links.Add(link);
                        }
                    }

                    if (!Model.AllLinks.ContainsKey(l.ID))
                    {
                        Model.AllLinks.Add(l.ID, link);
                    }
                    else
                    {
                        info.InfoText += "Link id " + l.ID + " already used" + Environment.NewLine;
                        info.OnPropertyChanged("InfoText");
                    }

                    info.RecordNumber++;
                    info.OnPropertyChanged("RecordNumber");
                }

                info.InfoText += "Linking links" + Environment.NewLine;
                info.OnPropertyChanged("InfoText");

                ProjNet.CoordinateSystems.GeographicCoordinateSystem a = ProjNet.CoordinateSystems.GeographicCoordinateSystem.WGS84;

                foreach (Mem.Link lnk in Model.AllLinks.Values)
                {
                    LinkNodeLinks(lnk, lnk.StartNode);
                    LinkNodeLinks(lnk, lnk.EndNode);
                }

                info.InfoText += "Getting attributes" + Environment.NewLine;
                info.OnPropertyChanged("InfoText");

                List <Mem.Attribute> allAttributes = (from attr in DataContext.AttributeLists
                                                      select new Mem.Attribute(attr.name, attr.value, attr.node, attr.arrayindex, attr.ATOB_mask, attr.BTOA_mask)).ToList();

                Model.Attributes = allAttributes;

                info.InfoText += "Done" + Environment.NewLine;
                info.OnPropertyChanged("InfoText");
            }
            catch (Exception ex)
            {
                info.InfoText += "Problem!!!!!!!" + Environment.NewLine + ex.ToString() + Environment.NewLine + ex.StackTrace;
                info.OnPropertyChanged("InfoText");
            }
        }