Ejemplo n.º 1
1
        /// <summary>
        /// Returns an interpreted shape.
        /// </summary>
        /// <param name="obj"></param>
        /// <returns></returns>
        public ShapeF<GeoCoordinate, GeoCoordinateBox, GeoCoordinateLine> Interpret(OsmGeo obj)
        {
            switch (obj.Type)
            {
                case OsmType.Node:
                    return new ShapeDotF<GeoCoordinate, GeoCoordinateBox, GeoCoordinateLine>(
                        PrimitiveGeoFactory.Instance,
                        (obj as Node).Coordinate);
                case OsmType.Way:
                    if (obj.Tags.ContainsKey("area"))
                    {
                        return new ShapePolyGonF<GeoCoordinate, GeoCoordinateBox, GeoCoordinateLine>(
                            PrimitiveGeoFactory.Instance,
                            (obj as Way).GetCoordinates().ToArray<GeoCoordinate>());
                    }
                    else
                    {
                        return new ShapePolyLineF<GeoCoordinate, GeoCoordinateBox, GeoCoordinateLine>(
                            PrimitiveGeoFactory.Instance,
                            (obj as Way).GetCoordinates().ToArray<GeoCoordinate>());
                    }
                case OsmType.Relation:
                    List<ShapeF<GeoCoordinate, GeoCoordinateBox, GeoCoordinateLine>> shapes = new List<ShapeF<GeoCoordinate, GeoCoordinateBox, GeoCoordinateLine>>();
                    foreach (RelationMember member in (obj as Relation).Members)
                    {
                        shapes.Add(this.Interpret(member.Member));
                    }

                    return new ShapeCombinedF<GeoCoordinate, GeoCoordinateBox, GeoCoordinateLine>(
                        PrimitiveGeoFactory.Instance, shapes);
            }
            throw new InvalidOperationException(string.Format("Cannot interpret object {0}!", obj.ToString()));
        }
Ejemplo n.º 2
0
 /// <summary>
 /// Returns true if the object passes through this filter.
 /// </summary>
 /// <param name="obj"></param>
 /// <returns></returns>
 public override bool Evaluate(OsmGeo obj)
 {
     string value;
     if (obj.Tags != null &&
         obj.Tags.TryGetValue(_key, out value))
     {
         return value == _value;
     }
     return false;
 }
Ejemplo n.º 3
0
        /// <summary>
        /// Returns true if the object passed through the filter.
        /// </summary>
        /// <param name="obj"></param>
        /// <returns></returns>
        public override bool Evaluate(OsmGeo obj)
        {
            var result = false;

            if(obj.Tags != null)
            {
                result = obj.Tags.ContainsKey(_tag);
            }

            return result;
        }
Ejemplo n.º 4
0
 /// <summary>
 /// Translates the given OSM objects into corresponding geometries.
 /// </summary>
 /// <param name="scene"></param>
 /// <param name="projection"></param>
 /// <param name="source"></param>
 /// <param name="osmGeo"></param>
 public virtual void Translate(Scene2D scene, IProjection projection, IDataSourceReadOnly source, OsmGeo osmGeo)
 {
     switch (osmGeo.Type)
     {
         case OsmGeoType.Node:
             this.Translate(scene, projection, CompleteNode.CreateFrom(osmGeo as Node));
             break;
         case OsmGeoType.Way:
             this.Translate(scene, projection, CompleteWay.CreateFrom(osmGeo as Way, source));
             break;
         case OsmGeoType.Relation:
             this.Translate(scene, projection, CompleteRelation.CreateFrom(osmGeo as Relation, source));
             break;
     }
 }
Ejemplo n.º 5
0
 /// <summary>
 /// Translates the given OSM objects into corresponding geometries.
 /// </summary>
 /// <param name="scene"></param>
 /// <param name="projection"></param>
 /// <param name="source"></param>
 /// <param name="osmGeo"></param>
 public virtual void Translate(Scene2D scene, IProjection projection, IDataSourceReadOnly source, OsmGeo osmGeo)
 {
     switch (osmGeo.Type)
     {
         case OsmGeoType.Node:
             var node = osmGeo as Node;
             if(node.Tags == null)
             { // make sure that a node has a tag collection by default.
                 node.Tags= new TagsCollection();
             }
             this.Translate(scene, projection, node);
             break;
         case OsmGeoType.Way:
             this.Translate(scene, projection, CompleteWay.CreateFrom(osmGeo as Way, source));
             break;
         case OsmGeoType.Relation:
             this.Translate(scene, projection, CompleteRelation.CreateFrom(osmGeo as Relation, source));
             break;
     }
 }
Ejemplo n.º 6
0
        /// <summary>
        /// Initializes this source.
        /// </summary>
        public override void Initialize()
        {
            _connection = new SQLiteConnection(_connectionString);
            _connection.Open();

            _current = null;
            _currentType = OsmGeoType.Node;

            _nodeReader = null;
        }
        private void ProcessTagsIdAndName(SQLiteCommand command, OsmGeo geo,
            Dictionary<TagsCollectionBase, int> _uniques, int params_count, int batch_index = 0)
        {
            // name & tags id
            if (geo.Tags != null)
            {
                // filter the geo tags
                var filtered_tags = _tag_filter.Evaluate(geo);

                // if we actually returned some tags
                if (filtered_tags.Count > 0)
                {
                    // we should have those filtered tags in the unique dict
                    if (_uniques.ContainsKey(filtered_tags))
                    {
                        command.Parameters[(batch_index * params_count) + params_count - 2].Value = _uniques[filtered_tags];

                        // we only add geo names if they are of interest via tags
                        if (geo.Tags.ContainsKey("name"))
                        {
                            var name = geo.Tags["name"];

                            if (!string.IsNullOrEmpty(name))
                            {
                                command.Parameters[(batch_index * params_count) + params_count - 1].Value = name.Truncate(500);
                            }
                            else
                            {
                                command.Parameters[(batch_index * params_count) + params_count - 1].Value = DBNull.Value;
                            }
                        }
                        else
                        {
                            command.Parameters[(batch_index * params_count) + params_count - 1].Value = DBNull.Value;
                        }
                    }
                    // if not, somethings wrong!
                    else
                    {
                        throw new InvalidOperationException(
                            geo + " passes filtered tags, but filtered tags are not in unique table.");
                    }
                }
                // no tags of interest, name and tag id are null
                else
                {
                    command.Parameters[(batch_index * params_count) + params_count - 2].Value = DBNull.Value;
                    command.Parameters[(batch_index * params_count) + params_count - 1].Value = DBNull.Value;
                }
            }
            // no tags at all, name and tag id are null
            else
            {
                command.Parameters[(batch_index * params_count) + params_count - 2].Value = DBNull.Value;
                command.Parameters[(batch_index * params_count) + params_count - 1].Value = DBNull.Value;
            }
        }
 /// <summary>
 /// Does the filtering.
 /// </summary>
 /// <param name="osmGeos"></param>
 /// <param name="toExclude"></param>
 /// <param name="excludeNodes"></param>
 /// <param name="excludeWays"></param>
 /// <param name="excludeRelations"></param>
 private List<OsmGeo> Filter(OsmGeo[] osmGeos, OsmGeo[] toExclude, bool excludeNodes, bool excludeWays, bool excludeRelations)
 {
     var excludeFilter = new OsmStreamFilterExclude(excludeNodes, excludeWays, excludeRelations);
     excludeFilter.RegisterSource(osmGeos);
     excludeFilter.RegisterSource(toExclude);
     return new List<OsmGeo>(excludeFilter);
 }
        private bool DoMoveNextRelation()
        {
            if (_relation_reader == null)
            {
                var relationCommand = new SQLiteCommand("select * from relation order by id", _connection);
                _relation_reader = relationCommand.ExecuteReader();
                if (!_relation_reader.Read())
                {
                    _relation_reader.Close();
                }
                var relationTagCommand = new SQLiteCommand("select * from relation_tags order by relation_id", _connection);
                _relation_tag_reader = relationTagCommand.ExecuteReader();
                if (!_relation_tag_reader.IsClosed && !_relation_tag_reader.Read())
                {
                    _relation_tag_reader.Close();
                }
                var relationNodeCommand = new SQLiteCommand("select * from relation_members order by relation_id,sequence_id", _connection);
                _relation_member_reader = relationNodeCommand.ExecuteReader();
                if (!_relation_member_reader.IsClosed && !_relation_member_reader.Read())
                {
                    _relation_member_reader.Close();
                }
            }

            // read next relation.
            if (!_relation_reader.IsClosed)
            {
                // load/parse data.
                long id = _relation_reader.GetInt64(0);
                long changesetId = _relation_reader.GetInt64(1);
                bool visible = _relation_reader.GetInt64(2) == 1;
                DateTime timestamp = _relation_reader.IsDBNull(3) ? DateTime.MinValue : _relation_reader.GetDateTime(3);
                long version = _relation_reader.GetInt64(4);
                string user = _relation_reader.GetString(5);
                long uid = _relation_reader.GetInt64(6);
                var relation = new Relation
                {
                    Id = id,
                    ChangeSetId = changesetId,
                    TimeStamp = timestamp,
                    UserId = null,
                    UserName = null,
                    Version = (ulong)version,
                    Visible = visible
                };
                relation.UserName = user;
                relation.UserId = uid;

                if (!_relation_tag_reader.IsClosed)
                {
                    long returnedId = _relation_tag_reader.GetInt64(0);
                    while (returnedId == relation.Id.Value)
                    {
                        if (relation.Tags == null)
                        {
                            relation.Tags = new TagsCollection();
                        }
                        string key = _relation_tag_reader.GetString(1);
                        string value = _relation_tag_reader.GetString(2);

                        relation.Tags.Add(key, value);

                        if (!_relation_tag_reader.Read())
                        {
                            _relation_tag_reader.Close();
                            returnedId = -1;
                        }
                        else
                        {
                            returnedId = _relation_tag_reader.GetInt64(0);
                        }
                    }
                }
                if (!_relation_member_reader.IsClosed)
                {
                    long returnedId = _relation_member_reader.GetInt64(0);
                    while (returnedId == relation.Id.Value)
                    {
                        if (relation.Members == null)
                        {
                            relation.Members = new List<RelationMember>();
                        }
                        string memberType = _relation_member_reader.GetString(1);
                        long memberId = _relation_member_reader.GetInt64(2);
                        object memberRole = _relation_member_reader.GetValue(3);

                        var member = new RelationMember();
                        member.MemberId = memberId;
                        if (memberRole != DBNull.Value)
                        {
                            member.MemberRole = memberRole as string;
                        }
                        switch (memberType)
                        {
                            case "Node":
                                member.MemberType = OsmGeoType.Node;
                                break;
                            case "Way":
                                member.MemberType = OsmGeoType.Way;
                                break;
                            case "Relation":
                                member.MemberType = OsmGeoType.Relation;
                                break;
                        }

                        relation.Members.Add(member);

                        if (!_relation_member_reader.Read())
                        {
                            _relation_member_reader.Close();
                            returnedId = -1;
                        }
                        else
                        {
                            returnedId = _relation_member_reader.GetInt64(0);
                        }
                    }
                }

                // set the current variable!
                _current = relation;

                // advance the reader(s).
                if (!_relation_reader.Read())
                {
                    _relation_reader.Close();
                }
                if (!_relation_tag_reader.IsClosed && !_relation_tag_reader.Read())
                {
                    _relation_tag_reader.Close();
                }
                if (!_relation_member_reader.IsClosed && !_relation_member_reader.Read())
                {
                    _relation_member_reader.Close();
                }
                return true;
            }
            else
            {
                _relation_reader.Close();
                _relation_reader.Dispose();
                _relation_reader = null;

                _relation_tag_reader.Close();
                _relation_tag_reader.Dispose();
                _relation_tag_reader = null;

                _current_type = OsmGeoType.Relation;

                return false;
            }
        }
        /// <summary>
        /// Resets this source.
        /// </summary>
        public override void Reset()
        {
            _current = null;
            _current_type = OsmGeoType.Node;

            if (_node_reader != null)
            {
                _node_reader.Close();
                _node_reader.Dispose();
                _node_reader = null;
            }
        }
Ejemplo n.º 11
0
 /// <summary>
 /// Creates a new change object.
 /// </summary>
 /// <param name="type"></param>
 /// <param name="obj"></param>
 public Change(ChangeType type, OsmGeo obj)
 {
     _type = type;
     _obj = obj;
 }
        public void TestWriteWay()
        {
            // build source stream.
            var sourceWay = Way.Create(1, 1, 2);
            var sourceObjects = new OsmGeo[] {
                sourceWay
            };

            // build pfb stream target.
            using (var stream = new MemoryStream())
            {
                var target = new PBFOsmStreamTarget(stream);
                target.RegisterSource(sourceObjects.ToOsmStreamSource());
                target.Pull();

                stream.Seek(0, SeekOrigin.Begin);
                var resultObjects = new List<OsmGeo>(new PBFOsmStreamSource(stream));

                Assert.IsNotNull(resultObjects);
                Assert.AreEqual(1, resultObjects.Count);

                Assert.AreEqual(sourceObjects[0].Id, resultObjects[0].Id);
                Assert.AreEqual(0, resultObjects[0].ChangeSetId);
                Assert.AreEqual(Utilities.FromUnixTime(0), resultObjects[0].TimeStamp);
                Assert.AreEqual(0, resultObjects[0].UserId);
                Assert.AreEqual(sourceObjects[0].UserName, resultObjects[0].UserName);
                Assert.AreEqual(0, resultObjects[0].Version);

                var resultWay = resultObjects[0] as Way;
                Assert.AreEqual(sourceWay.Nodes.Count, resultWay.Nodes.Count);
                Assert.AreEqual(sourceWay.Nodes[0], resultWay.Nodes[0]);
                Assert.AreEqual(sourceWay.Nodes[1], resultWay.Nodes[1]);
            }

            // build source stream.
            sourceWay = Way.Create(1, 1, 2);
            sourceWay.Tags = new TagsCollection();
            sourceWay.Tags.Add("highway", "residential");
            sourceObjects = new OsmGeo[] {
                sourceWay
            };

            // build pfb stream target.
            using (var stream = new MemoryStream())
            {
                var target = new PBFOsmStreamTarget(stream);
                target.RegisterSource(sourceObjects.ToOsmStreamSource());
                target.Pull();

                stream.Seek(0, SeekOrigin.Begin);
                var resultObjects = new List<OsmGeo>(new PBFOsmStreamSource(stream));

                Assert.IsNotNull(resultObjects);
                Assert.AreEqual(1, resultObjects.Count);

                Assert.AreEqual(sourceObjects[0].Id, resultObjects[0].Id);
                Assert.AreEqual(0, resultObjects[0].ChangeSetId);
                Assert.AreEqual(Utilities.FromUnixTime(0), resultObjects[0].TimeStamp);
                Assert.AreEqual(0, resultObjects[0].UserId);
                Assert.AreEqual(string.Empty, resultObjects[0].UserName);
                Assert.AreEqual(0, resultObjects[0].Version);
                Assert.AreEqual(sourceObjects[0].Tags.Count, resultObjects[0].Tags.Count);
                Assert.IsTrue(resultObjects[0].Tags.Contains(sourceObjects[0].Tags.First<Tag>()));

                var resultWay = resultObjects[0] as Way;
                Assert.AreEqual(sourceWay.Nodes.Count, resultWay.Nodes.Count);
                Assert.AreEqual(sourceWay.Nodes[0], resultWay.Nodes[0]);
                Assert.AreEqual(sourceWay.Nodes[1], resultWay.Nodes[1]);
            }

            // build source stream.
            sourceWay = Way.Create(1, 1, 2);
            sourceWay.Tags = new TagsCollection();
            sourceWay.Tags.Add("highway", "residential");
            sourceWay.ChangeSetId = 1;
            sourceWay.TimeStamp = DateTime.Now;
            sourceWay.UserId = 1;
            sourceWay.UserName = "******";
            sourceWay.Version = 3;
            sourceWay.Visible = true;
            sourceObjects = new OsmGeo[] {
                sourceWay
            };

            // build pfb stream target.
            using (var stream = new MemoryStream())
            {
                var target = new PBFOsmStreamTarget(stream);
                target.RegisterSource(sourceObjects.ToOsmStreamSource());
                target.Pull();

                stream.Seek(0, SeekOrigin.Begin);
                var resultObjects = new List<OsmGeo>(new PBFOsmStreamSource(stream));

                Assert.IsNotNull(resultObjects);
                Assert.AreEqual(1, resultObjects.Count);

                Assert.AreEqual(sourceObjects[0].Id, resultObjects[0].Id);
                Assert.AreEqual(sourceObjects[0].ChangeSetId, resultObjects[0].ChangeSetId);
                Assert.AreEqual(sourceObjects[0].TimeStamp.Value.Ticks, resultObjects[0].TimeStamp.Value.Ticks, 10000000);
                Assert.AreEqual(sourceObjects[0].UserId, resultObjects[0].UserId);
                Assert.AreEqual(sourceObjects[0].UserName, resultObjects[0].UserName);
                Assert.AreEqual(sourceObjects[0].Version, resultObjects[0].Version);
                Assert.AreEqual(sourceObjects[0].Tags.Count, resultObjects[0].Tags.Count);
                Assert.IsTrue(resultObjects[0].Tags.Contains(sourceObjects[0].Tags.First<Tag>()));

                var resultWay = resultObjects[0] as Way;
                Assert.AreEqual(sourceWay.Nodes.Count, resultWay.Nodes.Count);
                Assert.AreEqual(sourceWay.Nodes[0], resultWay.Nodes[0]);
                Assert.AreEqual(sourceWay.Nodes[1], resultWay.Nodes[1]);
            }
        }
Ejemplo n.º 13
0
        /// <summary>
        /// Creates a new MapCSS object with an osmgeo object.
        /// </summary>
        /// <param name="osmGeo"></param>
        public MapCSSObject(OsmGeo osmGeo)
        {
            if (osmGeo == null) throw new ArgumentNullException();

            this.OsmGeo = osmGeo;
        }
 /// <summary>
 /// Does the filtering.
 /// </summary>
 /// <param name="osmGeos"></param>
 /// <param name="filter"></param>
 private List<OsmGeo> Filter(OsmGeo[] osmGeos,
     OsmStreamFilterTagsFilter.TagsFilterDelegate filter)
 {
     OsmStreamFilterTagsFilter tagsFilter = new OsmStreamFilterTagsFilter(filter);
     tagsFilter.RegisterSource(osmGeos);
     return new List<OsmGeo>(tagsFilter);
 }
Ejemplo n.º 15
0
        private bool MoveNextWay()
        {
            if (_wayReader == null)
            {
                OracleCommand way_command = new OracleCommand("select * from way order by id");
                way_command.Connection = _connection;
                _wayReader = way_command.ExecuteReader();
                if (!_wayReader.Read())
                {
                    _wayReader.Close();
                }
                OracleCommand way_tag_command = new OracleCommand("select * from way_tags order by way_id");
                way_tag_command.Connection = _connection;
                _wayTagReader = way_tag_command.ExecuteReader();
                if (!_wayTagReader.IsClosed && !_wayTagReader.Read())
                {
                    _wayTagReader.Close();
                }
                OracleCommand way_node_command = new OracleCommand("select * from way_nodes order by way_id,sequence_id");
                way_node_command.Connection = _connection;
                _wayNodeReader = way_node_command.ExecuteReader();
                if (!_wayNodeReader.IsClosed && !_wayNodeReader.Read())
                {
                    _wayNodeReader.Close();
                }
            }

            // read next way.
            if (!_wayReader.IsClosed)
            {
                // load/parse data.
                long id = _wayReader.GetInt64(0);
                long changeset_id = _wayReader.GetInt64(1);
                DateTime timestamp = _wayReader.GetDateTime(2);
                bool visible = _wayReader.GetInt64(3) == 1;
                long version = _wayReader.GetInt64(4);
                string user = _wayReader.GetString(5);
                long uid = _wayReader.GetInt64(6);

                Way way = new Way();
                way.Id = id;
                way.ChangeSetId = changeset_id;
                way.TimeStamp = timestamp;
                way.UserId = uid;
                way.UserName = user;
                way.Version = (ulong)version;
                way.Visible = visible;

                if (!_wayTagReader.IsClosed)
                {
                    long returned_id = _wayTagReader.GetInt64(_wayTagReader.GetOrdinal("way_id"));
                    while (returned_id == way.Id.Value)
                    {
                        if (way.Tags == null)
                        {
                            way.Tags = new TagsCollection();
                        }
                        string key = _wayTagReader.GetString(1);
                        string value = _wayTagReader.GetString(2);

                        way.Tags.Add(key, value);

                        if (!_wayTagReader.Read())
                        {
                            _wayTagReader.Close();
                            returned_id = -1;
                        }
                        else
                        {
                            returned_id = _wayTagReader.GetInt64(0);
                        }
                    }
                }
                if (!_wayNodeReader.IsClosed)
                {
                    long returned_id = _wayNodeReader.GetInt64(_wayNodeReader.GetOrdinal("way_id"));
                    while (returned_id == way.Id.Value)
                    {
                        if (way.Nodes == null)
                        {
                            way.Nodes = new List<long>();
                        }
                        long node_id = _wayNodeReader.GetInt64(1);

                        way.Nodes.Add(node_id);

                        if (!_wayNodeReader.Read())
                        {
                            _wayNodeReader.Close();
                            returned_id = -1;
                        }
                        else
                        {
                            returned_id = _wayNodeReader.GetInt64(0);
                        }
                    }
                }

                // set the current variable!
                _current = way;

                // advance the reader(s).
                if (!_wayReader.Read())
                {
                    _wayReader.Close();
                }
                if (!_wayTagReader.IsClosed && !_wayTagReader.Read())
                {
                    _wayTagReader.Close();
                }
                if (!_wayNodeReader.IsClosed && !_wayNodeReader.Read())
                {
                    _wayNodeReader.Close();
                }
                return true;
            }
            else
            {
                _wayReader.Close();
                _wayReader.Dispose();
                _wayReader = null;

                _wayTagReader.Close();
                _wayTagReader.Dispose();
                _wayTagReader = null;

                _current_type = OsmGeoType.Relation;

                return false;
            }
        }
Ejemplo n.º 16
0
        private bool MoveNextNode()
        {
            if (_nodeReader == null)
            {
                OracleCommand node_command = new OracleCommand("select * from node order by id");
                node_command.Connection = _connection;
                _nodeReader = node_command.ExecuteReader();
                if (!_nodeReader.Read())
                {
                    _nodeReader.Close();
                }
                OracleCommand node_tag_command = new OracleCommand("select * from node_tags order by node_id");
                node_tag_command.Connection = _connection;
                _nodeTagReader = node_tag_command.ExecuteReader();
                if (!_nodeTagReader.Read())
                {
                    _nodeTagReader.Close();
                }
            }

            // read next node.
            if (!_nodeReader.IsClosed)
            {
                // load/parse data.
                long id = _nodeReader.GetInt64(0);
                long latitude_int = _nodeReader.GetInt64(1);
                long longitude_int = _nodeReader.GetInt64(2);
                long changeset_id = _nodeReader.GetInt64(3);
                bool visible = _nodeReader.GetInt64(4) == 1;
                DateTime timestamp = _nodeReader.GetDateTime(5);
                long tile = _nodeReader.GetInt64(6);
                long version = _nodeReader.GetInt64(7);
                string user = _nodeReader.GetString(8);
                long uid = _nodeReader.GetInt64(9);
                Node node = new Node();
                node.Id = id;
                node.Latitude = latitude_int;
                node.Longitude = longitude_int;
                node.ChangeSetId = changeset_id;
                node.TimeStamp = timestamp;
                node.UserId = null;
                node.UserName = null;
                node.Version  = (ulong)version;
                node.Visible = visible;
                node.UserName = user;
                node.UserId = uid;

                if (!_nodeTagReader.IsClosed)
                {
                    long returned_id = _nodeTagReader.GetInt64(0);
                    while (returned_id == node.Id.Value)
                    {
                        if (node.Tags == null)
                        {
                            node.Tags = new TagsCollection();
                        }
                        string key = _nodeTagReader.GetString(1);
                        string value = _nodeTagReader.GetString(2);

                        node.Tags.Add(key, value);

                        if (!_nodeTagReader.Read())
                        {
                            _nodeTagReader.Close();
                        }
                        returned_id = _nodeTagReader.GetInt64(0);
                    }
                }

                // set the current variable!
                _current = node;

                // advance the reader(s).
                if (!_nodeReader.Read())
                {
                    _nodeReader.Close();
                }
                if (!_nodeTagReader.IsClosed && !_nodeTagReader.Read())
                {
                    _nodeTagReader.Close();
                }
                return true;
            }
            else
            {
                _nodeReader.Close();
                _nodeReader.Dispose();
                _nodeReader = null;

                _nodeTagReader.Close();
                _nodeTagReader.Dispose();
                _nodeTagReader = null;

                _current_type = OsmGeoType.Way;

                return false;
            }
        }
        public void TestWriteMix()
        {
            var sourceNode = Node.Create(1, 1.1, 1.2);
            sourceNode.Tags = new TagsCollection();
            sourceNode.Tags.Add("highway", "residential");
            sourceNode.ChangeSetId = 1;
            sourceNode.TimeStamp = DateTime.Now;
            sourceNode.UserId = 1;
            sourceNode.UserName = "******";
            sourceNode.Version = 3;
            sourceNode.Visible = true;

            var sourceWay = Way.Create(1, 1, 2);
            sourceWay.Tags = new TagsCollection();
            sourceWay.Tags.Add("highway", "residential");
            sourceWay.ChangeSetId = 1;
            sourceWay.TimeStamp = DateTime.Now;
            sourceWay.UserId = 1;
            sourceWay.UserName = "******";
            sourceWay.Version = 3;
            sourceWay.Visible = true;

            var sourceRelation = Relation.Create(1, new RelationMember()
            {
                MemberId = 1,
                MemberRole = "fake role",
                MemberType = OsmGeoType.Node
            }, new RelationMember()
            {
                MemberId = 1,
                MemberRole = "fake role",
                MemberType = OsmGeoType.Way
            });
            sourceRelation.Tags = new TagsCollection();
            sourceRelation.Tags.Add("highway", "residential");
            sourceRelation.ChangeSetId = 1;
            sourceRelation.TimeStamp = DateTime.Now;
            sourceRelation.UserId = 1;
            sourceRelation.UserName = "******";
            sourceRelation.Version = 3;
            sourceRelation.Visible = true;

            var sourceObjects = new OsmGeo[] {
                sourceNode,
                sourceWay,
                sourceRelation
            };

            // build pfb stream target.
            using (var stream = new MemoryStream())
            {
                var target = new PBFOsmStreamTarget(stream);
                target.RegisterSource(sourceObjects.ToOsmStreamSource());
                target.Pull();

                stream.Seek(0, SeekOrigin.Begin);
                var resultObjects = new List<OsmGeo>(new PBFOsmStreamSource(stream));

                Assert.IsNotNull(resultObjects);
                Assert.AreEqual(3, resultObjects.Count);

                Assert.AreEqual(sourceObjects[0].Id, resultObjects[0].Id);
                Assert.AreEqual(sourceObjects[0].ChangeSetId, resultObjects[0].ChangeSetId);
                Assert.AreEqual(sourceObjects[0].TimeStamp.Value.Ticks, resultObjects[0].TimeStamp.Value.Ticks, 10000000);
                Assert.AreEqual(sourceObjects[0].UserId, resultObjects[0].UserId);
                Assert.AreEqual(sourceObjects[0].UserName, resultObjects[0].UserName);
                Assert.AreEqual(sourceObjects[0].Version, resultObjects[0].Version);
                Assert.AreEqual(sourceObjects[0].Tags.Count, resultObjects[0].Tags.Count);
                Assert.IsTrue(resultObjects[0].Tags.Contains(sourceObjects[0].Tags.First<Tag>()));

                var resultNode = resultObjects[0] as Node;
                Assert.AreEqual(sourceNode.Latitude.Value, resultNode.Latitude.Value, .0001f);
                Assert.AreEqual(sourceNode.Longitude.Value, resultNode.Longitude.Value, .0001f);

                Assert.AreEqual(sourceObjects[1].Id, resultObjects[1].Id);
                Assert.AreEqual(sourceObjects[1].ChangeSetId, resultObjects[1].ChangeSetId);
                Assert.AreEqual(sourceObjects[1].TimeStamp.Value.Ticks, resultObjects[1].TimeStamp.Value.Ticks, 10000000);
                Assert.AreEqual(sourceObjects[1].UserId, resultObjects[1].UserId);
                Assert.AreEqual(sourceObjects[1].UserName, resultObjects[1].UserName);
                Assert.AreEqual(sourceObjects[1].Version, resultObjects[1].Version);
                Assert.AreEqual(sourceObjects[1].Tags.Count, resultObjects[1].Tags.Count);
                Assert.IsTrue(resultObjects[1].Tags.Contains(sourceObjects[1].Tags.First<Tag>()));

                var resultWay = resultObjects[1] as Way;
                Assert.AreEqual(sourceWay.Nodes.Count, resultWay.Nodes.Count);
                Assert.AreEqual(sourceWay.Nodes[0], resultWay.Nodes[0]);
                Assert.AreEqual(sourceWay.Nodes[1], resultWay.Nodes[1]);

                Assert.AreEqual(sourceObjects[2].Id, resultObjects[2].Id);
                Assert.AreEqual(sourceObjects[2].ChangeSetId, resultObjects[2].ChangeSetId);
                Assert.AreEqual(sourceObjects[2].TimeStamp.Value.Ticks, resultObjects[2].TimeStamp.Value.Ticks, 10000000);
                Assert.AreEqual(sourceObjects[2].UserId, resultObjects[2].UserId);
                Assert.AreEqual(sourceObjects[2].UserName, resultObjects[2].UserName);
                Assert.AreEqual(sourceObjects[2].Version, resultObjects[2].Version);
                Assert.AreEqual(sourceObjects[2].Tags.Count, resultObjects[2].Tags.Count);
                Assert.IsTrue(resultObjects[2].Tags.Contains(sourceObjects[2].Tags.First<Tag>()));

                var resultRelation = resultObjects[2] as Relation;
                Assert.AreEqual(sourceRelation.Members.Count, resultRelation.Members.Count);
                Assert.AreEqual(sourceRelation.Members[0].MemberId, resultRelation.Members[0].MemberId);
                Assert.AreEqual(sourceRelation.Members[0].MemberRole, resultRelation.Members[0].MemberRole);
                Assert.AreEqual(sourceRelation.Members[0].MemberType, resultRelation.Members[0].MemberType);
                Assert.AreEqual(sourceRelation.Members[1].MemberId, resultRelation.Members[1].MemberId);
                Assert.AreEqual(sourceRelation.Members[1].MemberRole, resultRelation.Members[1].MemberRole);
                Assert.AreEqual(sourceRelation.Members[1].MemberType, resultRelation.Members[1].MemberType);
            }
        }
Ejemplo n.º 18
0
 /// <summary>
 /// Adds a new osmgeo object.
 /// </summary>
 /// <param name="osmGeo"></param>
 public void Add(OsmGeo osmGeo)
 {
     if (osmGeo is Node)
     {
         this.AddNode(osmGeo as Node);
     }
     else if (osmGeo is Way)
     {
         this.AddWay(osmGeo as Way);
     }
     else if (osmGeo is Relation)
     {
         this.AddRelation(osmGeo as Relation);
     }
 }
Ejemplo n.º 19
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        /// <summary>
        /// Moves to the next object.
        /// </summary>
        /// <returns></returns>
        private bool DoMoveNext(bool ignoreNodes, bool ignoreWays, bool ignoreRelations)
        {
            if (this.Source.MoveNext(ignoreNodes, ignoreWays, ignoreRelations))
            {
                _current = this.Source.Current();

                // give the opportunity to filter tags.
                if (_current.Tags != null &&
                    _current.Tags.Count > 0)
                { // only filter tags when there are tags to be filtered.
                    _filter.Invoke(_current.Tags);
                }
                return true;
            }

            return false;
        }
        public void TestWriteRelation()
        {
            // build source stream.
            var sourceRelation = Relation.Create(1, new RelationMember()
                {
                    MemberId = 1,
                    MemberRole = "fake role",
                    MemberType = OsmGeoType.Node
                }, new RelationMember()
                {
                    MemberId = 1,
                    MemberRole = "fake role",
                    MemberType = OsmGeoType.Way
                });
            var sourceObjects = new OsmGeo[] {
                sourceRelation
            };
            var source = sourceObjects.ToOsmStreamSource();

            // build pfb stream target.
            using (var stream = new MemoryStream())
            {
                var target = new PBFOsmStreamTarget(stream);
                target.RegisterSource(source);
                target.Pull();

                stream.Seek(0, SeekOrigin.Begin);
                var resultObjects = new List<OsmGeo>(new PBFOsmStreamSource(stream));

                Assert.IsNotNull(resultObjects);
                Assert.AreEqual(1, resultObjects.Count);

                Assert.AreEqual(sourceObjects[0].Id, resultObjects[0].Id);
                Assert.AreEqual(0, resultObjects[0].ChangeSetId);
                Assert.AreEqual(Utilities.FromUnixTime(0), resultObjects[0].TimeStamp);
                Assert.AreEqual(0, resultObjects[0].UserId);
                Assert.AreEqual(string.Empty, resultObjects[0].UserName);
                Assert.AreEqual(0, resultObjects[0].Version);

                var resultRelation = resultObjects[0] as Relation;
                Assert.AreEqual(sourceRelation.Members.Count, resultRelation.Members.Count);
                Assert.AreEqual(sourceRelation.Members[0].MemberId, resultRelation.Members[0].MemberId);
                Assert.AreEqual(sourceRelation.Members[0].MemberRole, resultRelation.Members[0].MemberRole);
                Assert.AreEqual(sourceRelation.Members[0].MemberType, resultRelation.Members[0].MemberType);
                Assert.AreEqual(sourceRelation.Members[1].MemberId, resultRelation.Members[1].MemberId);
                Assert.AreEqual(sourceRelation.Members[1].MemberRole, resultRelation.Members[1].MemberRole);
                Assert.AreEqual(sourceRelation.Members[1].MemberType, resultRelation.Members[1].MemberType);
            }

            // build source stream.
            sourceRelation = Relation.Create(1, new RelationMember()
                {
                    MemberId = 1,
                    MemberRole = "fake role",
                    MemberType = OsmGeoType.Node
                }, new RelationMember()
                {
                    MemberId = 1,
                    MemberRole = "fake role",
                    MemberType = OsmGeoType.Way
                });
            sourceRelation.Tags = new TagsCollection();
            sourceRelation.Tags.Add("highway", "residential");
            sourceObjects = new OsmGeo[] {
                sourceRelation
            };

            // build pfb stream target.
            using (var stream = new MemoryStream())
            {
                var target = new PBFOsmStreamTarget(stream);
                target.RegisterSource(sourceObjects.ToOsmStreamSource());
                target.Pull();

                stream.Seek(0, SeekOrigin.Begin);
                var resultObjects = new List<OsmGeo>(new PBFOsmStreamSource(stream));

                Assert.IsNotNull(resultObjects);
                Assert.AreEqual(1, resultObjects.Count);

                Assert.AreEqual(sourceObjects[0].Id, resultObjects[0].Id);
                Assert.AreEqual(0, resultObjects[0].ChangeSetId);
                Assert.AreEqual(Utilities.FromUnixTime(0), resultObjects[0].TimeStamp);
                Assert.AreEqual(0, resultObjects[0].UserId);
                Assert.AreEqual(string.Empty, resultObjects[0].UserName);
                Assert.AreEqual(0, resultObjects[0].Version);
                Assert.AreEqual(sourceObjects[0].Tags.Count, resultObjects[0].Tags.Count);
                Assert.IsTrue(resultObjects[0].Tags.Contains(sourceObjects[0].Tags.First<Tag>()));

                var resultRelation = resultObjects[0] as Relation;
                Assert.AreEqual(sourceRelation.Members.Count, resultRelation.Members.Count);
                Assert.AreEqual(sourceRelation.Members[0].MemberId, resultRelation.Members[0].MemberId);
                Assert.AreEqual(sourceRelation.Members[0].MemberRole, resultRelation.Members[0].MemberRole);
                Assert.AreEqual(sourceRelation.Members[0].MemberType, resultRelation.Members[0].MemberType);
                Assert.AreEqual(sourceRelation.Members[1].MemberId, resultRelation.Members[1].MemberId);
                Assert.AreEqual(sourceRelation.Members[1].MemberRole, resultRelation.Members[1].MemberRole);
                Assert.AreEqual(sourceRelation.Members[1].MemberType, resultRelation.Members[1].MemberType);
            }

            // build source stream.
            sourceRelation = Relation.Create(1, new RelationMember()
                {
                    MemberId = 1,
                    MemberRole = "fake role",
                    MemberType = OsmGeoType.Node
                }, new RelationMember()
                {
                    MemberId = 1,
                    MemberRole = "fake role",
                    MemberType = OsmGeoType.Way
                });
            sourceRelation.Tags = new TagsCollection();
            sourceRelation.Tags.Add("highway", "residential");
            sourceRelation.ChangeSetId = 1;
            sourceRelation.TimeStamp = DateTime.Now;
            sourceRelation.UserId = 1;
            sourceRelation.UserName = "******";
            sourceRelation.Version = 3;
            sourceRelation.Visible = true;
            sourceObjects = new OsmGeo[] {
                sourceRelation
            };

            // build pfb stream target.
            using (var stream = new MemoryStream())
            {
                var target = new PBFOsmStreamTarget(stream);
                target.RegisterSource(sourceObjects.ToOsmStreamSource());
                target.Pull();

                stream.Seek(0, SeekOrigin.Begin);
                var resultObjects = new List<OsmGeo>(new PBFOsmStreamSource(stream));

                Assert.IsNotNull(resultObjects);
                Assert.AreEqual(1, resultObjects.Count);

                Assert.AreEqual(sourceObjects[0].Id, resultObjects[0].Id);
                Assert.AreEqual(sourceObjects[0].ChangeSetId, resultObjects[0].ChangeSetId);
                Assert.AreEqual(sourceObjects[0].TimeStamp.Value.Ticks, resultObjects[0].TimeStamp.Value.Ticks, 10000000);
                Assert.AreEqual(sourceObjects[0].UserId, resultObjects[0].UserId);
                Assert.AreEqual(sourceObjects[0].UserName, resultObjects[0].UserName);
                Assert.AreEqual(sourceObjects[0].Version, resultObjects[0].Version);
                Assert.AreEqual(sourceObjects[0].Tags.Count, resultObjects[0].Tags.Count);
                Assert.IsTrue(resultObjects[0].Tags.Contains(sourceObjects[0].Tags.First<Tag>()));

                var resultRelation = resultObjects[0] as Relation;
                Assert.AreEqual(sourceRelation.Members.Count, resultRelation.Members.Count);
                Assert.AreEqual(sourceRelation.Members[0].MemberId, resultRelation.Members[0].MemberId);
                Assert.AreEqual(sourceRelation.Members[0].MemberRole, resultRelation.Members[0].MemberRole);
                Assert.AreEqual(sourceRelation.Members[0].MemberType, resultRelation.Members[0].MemberType);
                Assert.AreEqual(sourceRelation.Members[1].MemberId, resultRelation.Members[1].MemberId);
                Assert.AreEqual(sourceRelation.Members[1].MemberRole, resultRelation.Members[1].MemberRole);
                Assert.AreEqual(sourceRelation.Members[1].MemberType, resultRelation.Members[1].MemberType);
            }
        }
Ejemplo n.º 21
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 /// <summary>
 /// Interprets an OSM-object and returns the correctponding geometry.
 /// </summary>
 /// <param name="simpleOsmGeo"></param>
 /// <param name="data"></param>
 /// <returns></returns>
 public virtual GeometryCollection Interpret(OsmGeo simpleOsmGeo, IDataSourceReadOnly data)
 {
     switch (simpleOsmGeo.Type)
     {
         case OsmGeoType.Node:
             return this.Interpret(simpleOsmGeo as Node);
         case OsmGeoType.Way:
             return this.Interpret(CompleteWay.CreateFrom(simpleOsmGeo as Way, data));
         case OsmGeoType.Relation:
             return this.Interpret(CompleteRelation.CreateFrom(simpleOsmGeo as Relation, data));
     }
     throw new ArgumentOutOfRangeException();
 }
Ejemplo n.º 22
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        /// <summary>
        /// Moves to the next object.
        /// </summary>
        /// <returns></returns>
        public override bool MoveNext()
        {
            if (!_relationKeepObjects && !_wayKeepNodes)
            {
                // simple here just filter!
                const bool filterOk = false;
                while (!filterOk)
                {
                    if (this.Source.MoveNext())
                    {
                        OsmGeo current = this.Source.Current();

                        switch (current.Type)
                        {
                            case OsmGeoType.Node:
                                if (_nodesFilter == null ||
                                    _nodesFilter.Evaluate(current))
                                {
                                    _current = current;
                                    return true;
                                }
                                break;
                            case OsmGeoType.Way:
                                if (_waysFilter == null ||
                                    _waysFilter.Evaluate(current))
                                {
                                    _current = current;
                                    return true;
                                }
                                break;
                            case OsmGeoType.Relation:
                                if (_relationsFilter == null ||
                                    _relationsFilter.Evaluate(current))
                                {
                                    _current = current;
                                    return true;
                                }
                                break;
                        }
                    }
                    else
                    { // there is no more data in the source!
                        return false;
                    }
                }
            }

            return false;
        }
Ejemplo n.º 23
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 /// <summary>
 /// Returns true if this style applies to the given object.
 /// </summary>
 /// <param name="osmGeo"></param>
 /// <returns></returns>
 public abstract bool AppliesTo(OsmGeo osmGeo);
Ejemplo n.º 24
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        /// <summary>
        /// Resets this filter.
        /// </summary>
        public override void Reset()
        {
            _current = null;

            this.Source.Reset();
        }
        /// <summary>
        /// Initializes this source.
        /// </summary>
        public override void Initialize()
        {
            _current = null;
            _current_type = OsmGeoType.Node;

            _node_reader = null;
        }
Ejemplo n.º 26
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        /// <summary>
        /// Tests if the given object is usefull in this style.
        /// </summary>
        /// <param name="osmGeo"></param>
        /// <returns></returns>
        public override bool AppliesTo(OsmGeo osmGeo)
        {
            if (osmGeo == null) { return false; }

            // interpret the osm-objects.
            switch (osmGeo.Type)
            {
                case OsmGeoType.Node:
                    return this.AppliesToNode(osmGeo as Node);
                case OsmGeoType.Way:
                    if (this.AppliesToWay(osmGeo as Way))
                    { // this could possibly apply.
                        return true;
                    }

                    // test also if it might apply as an area.
                    if (_geometryInterpreter.IsPotentiallyArea(osmGeo.Tags))
                    {
                        return this.AppliesToArea(osmGeo.Tags);
                    }
                    return false;
                case OsmGeoType.Relation:
                    if (this.AppliesToRelation(osmGeo as Relation))
                    { // this could possibly apply.
                        return true;
                    }

                    // test also if it might apply as an area.
                    if (_geometryInterpreter.IsPotentiallyArea(osmGeo.Tags))
                    {
                        return this.AppliesToArea(osmGeo.Tags);
                    }
                    return false;
                default:
                    throw new ArgumentOutOfRangeException();
            }
        }
        private bool DoMoveNextNode()
        {
            if (_node_reader == null)
            {
                SQLiteCommand node_command = new SQLiteCommand("select * from node left join node_tags on node_tags.node_id = node.id order by node.id");
                node_command.Connection = _connection;
                _node_reader = node_command.ExecuteReader();
                if (!_node_reader.Read())
                    _node_reader.Close();
            }

            // read next node.
            if (!_node_reader.IsClosed)
            {
                // load/parse data.
                Node node = new Node();
                node.Id = _node_reader.GetInt64(0);
                node.Latitude = _node_reader.GetInt64(1) / 10000000.0;
                node.Longitude = _node_reader.GetInt64(2) / 10000000.0;
                node.ChangeSetId = _node_reader.GetInt64(3);
                node.TimeStamp = _node_reader.GetDateTime(5);
                node.Version = (ulong)_node_reader.GetInt64(7);
                node.Visible = _node_reader.GetInt64(4) == 1;
                //node.UserName = _node_reader.GetString(8);
                //node.UserId = _node_reader.IsDBNull(9) ? -1 : _node_reader.GetInt64(9);

                //Has tags?
                if (!_node_reader.IsDBNull(10))
                {
                    //if (node.Tags == null)
                    //node.Tags = new Dictionary<string, string>();

                    long currentnode = node.Id.Value;
                    while (currentnode == node.Id.Value)
                    {
                        //string key = _node_reader.GetString(11);
                        //string value = _node_reader.GetString(12);
                        //node.Tags.Add(key, value);
                        if (!_node_reader.Read())
                        {
                            _node_reader.Close();
                            break;
                        }
                        currentnode = _node_reader.GetInt64(0);
                    }
                }
                else if (!_node_reader.Read())
                    _node_reader.Close();
                // set the current variable!
                _current = node;
                return true;
            }
            _node_reader.Close();
            _node_reader.Dispose();
            _node_reader = null;
            _current_type = OsmGeoType.Way;
            return false;
        }
        private void AddTags(OsmGeo geo, Dictionary<TagsCollectionBase, int> uniques, List<Tuple<int, Tag>> cache)
        {
            if (geo.Tags != null)
            {
                var filtered_tags = _tag_filter.Evaluate(geo);

                if (filtered_tags.Count > 0)
                {
                    // ensure we haven't added this combination before
                    if (!uniques.ContainsKey(filtered_tags))
                    {
                        // add each tag to the tag cache
                        foreach (var tag in filtered_tags)
                        {
                            if (cache.Count == TagsBatchCount)
                            {
                                BatchAddTags(cache, geo.Type);
                            }

                            cache.Add(new Tuple<int, Tag>(uniques.Count, tag));
                        }

                        // add it to the hashset
                        uniques[filtered_tags] = uniques.Count;
                    }
                }
            }
        }
        private bool DoMoveNextWay()
        {
            if (_way_reader == null)
            {
                SQLiteCommand way_command = new SQLiteCommand("select * from way where id > 26478817 order by id");
                way_command.Connection = _connection;
                _way_reader = way_command.ExecuteReader();
                if (!_way_reader.Read())
                {
                    _way_reader.Close();
                }
                SQLiteCommand way_tag_command = new SQLiteCommand("select * from way_tags where way_id > 26478817 order by way_id");
                way_tag_command.Connection = _connection;
                _way_tag_reader = way_tag_command.ExecuteReader();
                if (!_way_tag_reader.IsClosed && !_way_tag_reader.Read())
                {
                    _way_tag_reader.Close();
                }
                SQLiteCommand way_node_command = new SQLiteCommand("select * from way_nodes where way_id > 26478817 order by way_id,sequence_id");
                way_node_command.Connection = _connection;
                _way_node_reader = way_node_command.ExecuteReader();
                if (!_way_node_reader.IsClosed && !_way_node_reader.Read())
                {
                    _way_node_reader.Close();
                }
            }

            // read next way.
            if (!_way_reader.IsClosed)
            {

                Way way = new Way();
                way.Id = _way_reader.GetInt64(0);
                way.ChangeSetId = _way_reader.GetInt64(1);
                way.TimeStamp = _way_reader.IsDBNull(3) ? DateTime.MinValue : _way_reader.GetDateTime(3);
                //way.UserId = _way_reader.GetInt64(6);
                //way.UserName = _way_reader.GetString(5);
                way.Version = (ulong)_way_reader.GetInt64(4);
                way.Visible = _way_reader.GetInt64(2) == 1;

                if (!_way_tag_reader.IsClosed)
                {
                    long returned_id = _way_tag_reader.GetInt64(_way_tag_reader.GetOrdinal("way_id"));
                    while (returned_id == way.Id.Value)
                    {
                        if (way.Tags == null)
                        {
                            way.Tags = new TagsCollection();
                        }
                        string key = _way_tag_reader.GetString(1);
                        string value = _way_tag_reader.GetString(2);

                        way.Tags.Add(key, value);

                        if (!_way_tag_reader.Read())
                        {
                            _way_tag_reader.Close();
                            returned_id = -1;
                        }
                        else
                        {
                            returned_id = _way_tag_reader.GetInt64(0);
                        }
                    }
                }
                if (!_way_node_reader.IsClosed)
                {
                    long returned_id = _way_node_reader.GetInt64(_way_node_reader.GetOrdinal("way_id"));
                    while (returned_id == way.Id.Value)
                    {
                        if (way.Nodes == null)
                        {
                            way.Nodes = new List<long>();
                        }
                        long node_id = _way_node_reader.GetInt64(1);

                        way.Nodes.Add(node_id);

                        if (!_way_node_reader.Read())
                        {
                            _way_node_reader.Close();
                            returned_id = -1;
                        }
                        else
                        {
                            returned_id = _way_node_reader.GetInt64(0);
                        }
                    }
                }

                // set the current variable!
                _current = way;

                // advance the reader(s).
                if (!_way_reader.Read())
                {
                    _way_reader.Close();
                }
                if (!_way_tag_reader.IsClosed && !_way_tag_reader.Read())
                {
                    _way_tag_reader.Close();
                }
                if (!_way_node_reader.IsClosed && !_way_node_reader.Read())
                {
                    _way_node_reader.Close();
                }
                return true;
            }
            else
            {
                _way_reader.Close();
                _way_reader.Dispose();
                _way_reader = null;

                _way_tag_reader.Close();
                _way_tag_reader.Dispose();
                _way_tag_reader = null;

                _current_type = OsmGeoType.Relation;

                return false;
            }
        }
 /// <summary>
 /// Does the filtering.
 /// </summary>
 /// <param name="osmGeos"></param>
 /// <param name="toExclude"></param>
 private List<OsmGeo> Filter(OsmGeo[] osmGeos, OsmGeo[] toExclude)
 {
     return this.Filter(osmGeos, toExclude, true, true, true);
 }