Ejemplo n.º 1
0
        private void LoadDetailsFromSource(ISector sector)
        {
            BlobCollection blobs = OSMReader.GetAllBlobs(sector);

            foreach (var way in blobs.EnumerateWays(false))
            {
                for (int i = 0; i < way.refs.Count; i++)
                {
                    long ref1 = way.refs[i];
                    long ref2 = way.refs[(i + 1) % way.refs.Count];
                    if (ref1 == ref2)
                    {
                        continue;
                    }
                    Vector2d v1       = blobs.nodes[ref1];
                    Vector2d v2       = blobs.nodes[ref2];
                    LongLat  longLat1 = new SphereVector(sector.ProjectToSphereCoordinates(v1)).ToLongLat();
                    LongLat  longLat2 = new SphereVector(sector.ProjectToSphereCoordinates(v2)).ToLongLat();
                    // hmm, this logic will ignore edges that brush up exactly against the top or left of their sector (ex: nodes 6151473219, 6151473220 in way 146849673)
                    // I have to compensate for this elswhere
                    ISector sector1 = GetContainingSector(longLat1, 8);
                    ISector sector2 = GetContainingSector(longLat2, 8);
                    if (!sector1.Equals(sector2))
                    {
                        var e = new EdgeInfo()
                        {
                            wayID = way.id, node1 = ref1, node2 = ref2, longLat1 = longLat1, longLat2 = longLat2
                        };
                        if (!edgeInfo.Contains(e))
                        {
                            edgeInfo.Add(e);
                        }
                        List <int> wKeys = new List <int>();
                        List <int> wVals = new List <int>();
                        foreach (var pair in way.keyValues)
                        {
                            wKeys.Add(LoadIntoStringTable(pair.Key));
                            wVals.Add(LoadIntoStringTable(pair.Value));
                        }
                        var w = new WayInfo()
                        {
                            id = way.id, keys = wKeys, values = wVals, startNode = way.refs.First(), endNode = way.refs.Last(), relations = new List <long>()
                        };
                        if (!wayInfo.ContainsKey(w.id))
                        {
                            wayInfo[w.id] = w;
                        }
                    }
                }
            }
            HashSet <long> extraWays = new HashSet <long>();

            foreach (var relation in blobs.EnumerateRelations())
            {
                foreach (var way in relation.memids)
                {
                    extraWays.Add(way);
                    if (wayInfo.ContainsKey(way) && !relationInfo.ContainsKey(relation.id))
                    {
                        List <int> rKeys  = new List <int>();
                        List <int> rVals  = new List <int>();
                        List <int> rRoles = new List <int>();
                        foreach (var pair in relation.keyValues)
                        {
                            rKeys.Add(LoadIntoStringTable(pair.Key));
                            rVals.Add(LoadIntoStringTable(pair.Value));
                        }
                        foreach (var role in relation.roleValues)
                        {
                            rRoles.Add(LoadIntoStringTable(role));
                        }
                        var r = new RelationInfo()
                        {
                            id = relation.id, keys = rKeys, values = rVals, roleValues = rRoles, memids = relation.memids, types = relation.types
                        };
                        relationInfo[r.id] = r;
                    }
                }
            }
            foreach (var way in blobs.EnumerateWays(false))
            {
                if (!extraWays.Contains(way.id))
                {
                    continue;
                }
                List <int> wKeys = new List <int>();
                List <int> wVals = new List <int>();
                foreach (var pair in way.keyValues)
                {
                    wKeys.Add(LoadIntoStringTable(pair.Key));
                    wVals.Add(LoadIntoStringTable(pair.Value));
                }
                var w = new WayInfo()
                {
                    id = way.id, keys = wKeys, values = wVals, startNode = way.refs.First(), endNode = way.refs.Last()
                };
                if (!wayInfo.ContainsKey(w.id))
                {
                    wayInfo[w.id] = w;
                }
            }
        }