Example #1
0
        /// <summary>
        /// Tests a simple way read/write operation.
        /// </summary>
        /// <param name="cache"></param>
        public void DoOsmDataCacheTestWay(OsmDataCache cache)
        {
            Way way = Way.Create(1, new TagsCollection(
                                     Tag.Create("way", "yes")), 1, 2);

            // test invalid stuff.
            Assert.Throws <ArgumentNullException>(() => cache.AddWay(null));
            Assert.Throws <Exception>(() => cache.AddWay(new Way()));
            Assert.IsNull(cache.GetWay(way.Id.Value));

            cache.AddWay(way);

            Assert.IsTrue(cache.ContainsWay(way.Id.Value));
            Way readWay = cache.GetWay(way.Id.Value);

            Assert.IsNotNull(readWay);
            Assert.AreEqual(1, readWay.Id.Value);
            Assert.IsNotNull(way.Tags);
            Assert.AreEqual(1, way.Tags.Count);
            Assert.AreEqual("yes", way.Tags["way"]);

            Assert.IsTrue(cache.TryGetWay(way.Id.Value, out readWay));
            Assert.IsNotNull(readWay);
            Assert.AreEqual(1, readWay.Id.Value);
            Assert.IsNotNull(way.Tags);
            Assert.AreEqual(1, way.Tags.Count);
            Assert.AreEqual("yes", way.Tags["way"]);

            Assert.IsTrue(cache.RemoveWay(way.Id.Value));
            Assert.IsFalse(cache.ContainsWay(way.Id.Value));
            Assert.IsFalse(cache.RemoveWay(way.Id.Value));
        }
Example #2
0
        /// <summary>
        /// Adds a given way.
        /// </summary>
        /// <param name="way"></param>
        public override void AddWay(Way way)
        {
            if (!_preIndexMode && _waysToCache != null &&
                _waysToCache.Contains(way.Id.Value))
            { // cache this way?
                _dataCache.AddWay(way);
            }

            // initialize the way interpreter.
            if (_interpreter.EdgeInterpreter.IsRoutable(way.Tags))
            {     // the way is a road.
                if (_preIndexMode)
                { // index only relevant nodes.
                    if (way.Nodes != null)
                    {
                        foreach (long node in way.Nodes)
                        {
                            if (_preIndex.Contains(node))
                            {
                                _usedTwiceOrMore.Add(node);
                            }
                            else
                            {
                                _preIndex.Add(node); // node is relevant.
                            }
                        }
                    }
                }
                else
                {
                    // add the forward edges.
                    //if (!interpreter.IsOneWayReverse())
                    if (true) // add backward edges too!
                    {         // loop over all edges.
                        if (way.Nodes != null && way.Nodes.Count > 1)
                        {     // way has at least two nodes.
                            if (this.CalculateIsTraversable(_interpreter.EdgeInterpreter, _tagsIndex,
                                                            way.Tags))
                            { // the edge is traversable, add the edges.
                                uint?from = this.AddRoadNode(way.Nodes[0]);
                                for (int idx = 1; idx < way.Nodes.Count; idx++)
                                { // the to-node.
                                    uint?to = this.AddRoadNode(way.Nodes[idx]);
                                    // add the edge(s).
                                    if (from.HasValue && to.HasValue)
                                    {     // add a road edge.
                                        if (!this.AddRoadEdge(way.Tags, true, from.Value, to.Value))
                                        { // add the reverse too if it has been indicated that this was needed.
                                            this.AddRoadEdge(way.Tags, false, to.Value, from.Value);
                                        }
                                    }
                                    from = to; // the to node becomes the from.
                                }
                            }
                        }
                    }
                }
            }
        }
Example #3
0
        /// <summary>
        /// Tests the clear functionality on the datacache.
        /// </summary>
        /// <param name="cache"></param>
        public void DoOsmDataCacheTestClear(OsmDataCache cache)
        {
            Node node = Node.Create(1, new TagsCollection(
                                        Tag.Create("node", "yes")), 1, 2);
            Way way = Way.Create(1, new TagsCollection(
                                     Tag.Create("way", "yes")), 1, 2);
            Relation relation = Relation.Create(1, new TagsCollection(
                                                    Tag.Create("relation", "yes")), RelationMember.Create(1, "something", OsmGeoType.Node));

            cache.AddNode(node);
            cache.AddWay(way);
            cache.AddRelation(relation);

            Assert.IsTrue(cache.ContainsNode(node.Id.Value));
            Assert.IsTrue(cache.ContainsWay(way.Id.Value));
            Assert.IsTrue(cache.ContainsRelation(relation.Id.Value));

            cache.Clear();

            Assert.IsFalse(cache.ContainsNode(node.Id.Value));
            Assert.IsFalse(cache.ContainsWay(way.Id.Value));
            Assert.IsFalse(cache.ContainsRelation(relation.Id.Value));
        }
        /// <summary>
        /// Adds a given way.
        /// </summary>
        /// <param name="way"></param>
        public override void AddWay(Way way)
        {
            if (!_preIndexMode && _waysToCache != null &&
                _waysToCache.Contains(way.Id.Value))
            { // cache this way?
                _dataCache.AddWay(way);
            }

            // initialize the way interpreter.
            if (_interpreter.EdgeInterpreter.IsRoutable(way.Tags))
            {         // the way is a road.
                if (_preIndexMode)
                {     // index relevant and used nodes.
                    if (way.Nodes != null)
                    { // this way has nodes.
                        // add new routable tags type.
                        var routableWayTags = new TagsCollection(way.Tags);
                        routableWayTags.RemoveAll(x =>
                        {
                            return(!_interpreter.IsRelevantRouting(x.Key) &&
                                   !Vehicle.IsRelevantForOneOrMore(x.Key));
                        });
                        if (_storeTags)
                        {
                            _tagsIndex.Add(routableWayTags);
                        }

                        int wayNodesCount = way.Nodes.Count;
                        for (int idx = 0; idx < wayNodesCount; idx++)
                        {
                            var node = way.Nodes[idx];
                            if (_preIndex.Contains(node))
                            { // node is relevant.
                                _relevantNodes.Add(node);
                            }
                            else
                            { // node is used.
                                _preIndex.Add(node);
                            }
                        }

                        if (wayNodesCount > 0)
                        { // first node is always relevant.
                            _relevantNodes.Add(way.Nodes[0]);
                            if (wayNodesCount > 1)
                            { // last node is always relevant.
                                _relevantNodes.Add(way.Nodes[wayNodesCount - 1]);
                            }
                        }
                    }
                }
                else
                {     // add actual edges.
                    if (way.Nodes != null && way.Nodes.Count > 1)
                    { // way has at least two nodes.
                        if (this.CalculateIsTraversable(_interpreter.EdgeInterpreter, _tagsIndex,
                                                        way.Tags))
                        { // the edge is traversable, add the edges.
                            uint?       from          = this.AddRoadNode(way.Nodes[0]);
                            long        fromNodeId    = way.Nodes[0];
                            List <long> intermediates = new List <long>();
                            for (int idx = 1; idx < way.Nodes.Count; idx++)
                            { // the to-node.
                                long currentNodeId = way.Nodes[idx];
                                if (!_collectIntermediates ||
                                    _relevantNodes.Contains(currentNodeId) ||
                                    idx == way.Nodes.Count - 1)
                                { // node is an important node.
                                    uint?to       = this.AddRoadNode(currentNodeId);
                                    long toNodeId = currentNodeId;

                                    // add the edge(s).
                                    if (from.HasValue && to.HasValue)
                                    { // add a road edge.
                                        while (from.Value == to.Value)
                                        {
                                            if (intermediates.Count > 0)
                                            {
                                                uint?dummy = this.AddRoadNode(intermediates[0]);
                                                intermediates.RemoveAt(0);
                                                if (dummy.HasValue && from.Value != dummy.Value)
                                                {
                                                    this.AddRoadEdge(way.Tags, from.Value, dummy.Value, null);
                                                    from = dummy;
                                                }
                                            }
                                            else
                                            { // no use to continue.
                                                break;
                                            }
                                        }
                                        // build coordinates.
                                        var intermediateCoordinates = new List <GeoCoordinateSimple>(intermediates.Count);
                                        for (int coordIdx = 0; coordIdx < intermediates.Count; coordIdx++)
                                        {
                                            ICoordinate coordinate;
                                            if (!_coordinates.TryGet(intermediates[coordIdx], out coordinate))
                                            {
                                                break;
                                            }
                                            intermediateCoordinates.Add(new GeoCoordinateSimple()
                                            {
                                                Latitude  = coordinate.Latitude,
                                                Longitude = coordinate.Longitude
                                            });
                                        }

                                        if (intermediateCoordinates.Count == intermediates.Count &&
                                            from.Value != to.Value)
                                        { // all coordinates have been found.
                                            this.AddRoadEdge(way.Tags, from.Value, to.Value, intermediateCoordinates);
                                        }
                                    }

                                    // if this way has a restriction save the collapsed nodes information.
                                    if (_restricedWays.Contains(way.Id.Value) && to.HasValue && from.HasValue)
                                    { // loop over all intermediates and save.
                                        var collapsedInfo = new KeyValuePair <KeyValuePair <long, uint>, KeyValuePair <long, uint> >(
                                            new KeyValuePair <long, uint>(fromNodeId, from.Value), new KeyValuePair <long, uint>(toNodeId, to.Value));
                                        foreach (var intermedidate in intermediates)
                                        {
                                            _collapsedNodes[intermedidate] = collapsedInfo;
                                        }
                                    }

                                    from = to; // the to node becomes the from.
                                    intermediates.Clear();
                                }
                                else
                                { // this node is just an intermediate.
                                    intermediates.Add(currentNodeId);
                                }
                            }
                        }
                    }
                }
            }
        }
        /// <summary>
        /// Moves to the next object.
        /// </summary>
        /// <returns></returns>
        public override bool MoveNext()
        {
            if (!_cachingDone)
            { // first seek & cache.
                this.Seek();
                _cachingDone = true;
            }

            while (_simpleSource.MoveNext())
            { // there is data.
                OsmGeo currentSimple = _simpleSource.Current();

                switch (currentSimple.Type)
                {
                case OsmGeoType.Node:
                    // create complete version.
                    _current = currentSimple as Node;

                    if (_current != null && _current.Tags == null)
                    {     // make sure nodes have a default tag collection that is empty not null.
                        _current.Tags = new OsmSharp.Collections.Tags.TagsCollection();
                    }
                    if (_nodesToInclude.Contains(currentSimple.Id.Value))
                    {     // node needs to be cached.
                        _dataCache.AddNode(currentSimple as Node);
                        _nodesToInclude.Remove(currentSimple.Id.Value);
                    }
                    break;

                case OsmGeoType.Way:
                    // create complete way.
                    _current = CompleteWay.CreateFrom(currentSimple as Way, _dataCache);

                    if (_waysToInclude.Contains(currentSimple.Id.Value))
                    {     // keep the way because it is needed later on.
                        _dataCache.AddWay(currentSimple as Way);
                        _waysToInclude.Remove(currentSimple.Id.Value);
                    }
                    else
                    {     // only report that the nodes have been used when the way can be let-go.
                        Way way = currentSimple as Way;
                        if (way.Nodes != null)
                        {     // report usage.
                            way.Nodes.ForEach(x => this.ReportNodeUsage(x));
                        }
                    }
                    break;

                case OsmGeoType.Relation:
                    // create complate relation.
                    _current = CompleteRelation.CreateFrom(currentSimple as Relation, _dataCache);

                    if (!_relationsToInclude.Contains(currentSimple.Id.Value))
                    {     // only report relation usage when the relation can be let go.
                        Relation relation = currentSimple as Relation;
                        if (relation.Members != null)
                        {
                            foreach (RelationMember member in relation.Members)
                            {
                                switch (member.MemberType.Value)
                                {
                                case OsmGeoType.Node:
                                    this.ReportNodeUsage(member.MemberId.Value);
                                    break;

                                case OsmGeoType.Way:
                                    this.ReportWayUsage(member.MemberId.Value);
                                    break;

                                case OsmGeoType.Relation:
                                    this.ReportRelationUsage(member.MemberId.Value);
                                    break;
                                }
                            }
                        }
                    }
                    break;
                }
                if (_current != null)
                { // only return complete objects.
                    return(true);
                }
            }
            return(false);
        }
        /// <summary>
        /// Moves to the next object.
        /// </summary>
        /// <returns></returns>
        private bool DoMoveNext()
        {
            if (!_cachingDone)
            { // first seek & cache.
                this.Seek();
                this.CacheRelations();
                _cachingDone = true;
            }

            if (this.Source.MoveNext())
            { // there is data.
                OsmGeo currentSimple = this.Source.Current();

                // make sure the object needs to be included.
                while (!this.IsChild(currentSimple) &&
                       !this.Include(currentSimple))
                {     // don't include this object!
                    if (!this.Source.MoveNext())
                    { // oeps no more data!
                        return(false);
                    }
                    currentSimple = this.Source.Current();
                }

                switch (currentSimple.Type)
                {
                case OsmGeoType.Node:
                    // create complete version.
                    _current = currentSimple;
                    if (_nodesToInclude.Contains(currentSimple.Id.Value))
                    {     // node needs to be cached.
                        _dataCache.AddNode(currentSimple as Node);
                        _nodesToInclude.Remove(currentSimple.Id.Value);
                    }
                    break;

                case OsmGeoType.Way:
                    // create complete way.
                    _current = currentSimple;

                    if (_waysToInclude.Contains(currentSimple.Id.Value))
                    {     // keep the way because it is needed later on.
                        _dataCache.AddWay(currentSimple as Way);
                        _waysToInclude.Remove(currentSimple.Id.Value);
                    }
                    else
                    {     // only report that the nodes have been used when the way can be let-go.
                        Way way = currentSimple as Way;
                        if (way.Nodes != null)
                        {     // report usage.
                            way.Nodes.ForEach(x => this.ReportNodeUsage(x));
                        }
                    }
                    break;

                case OsmGeoType.Relation:
                    // create complate relation.
                    _current = currentSimple;

                    if (!_relationsToInclude.Contains(currentSimple.Id.Value))
                    {     // only report relation usage when the relation can be let go.
                        Relation relation = currentSimple as Relation;
                        if (relation.Members != null)
                        {
                            foreach (RelationMember member in relation.Members)
                            {
                                switch (member.MemberType.Value)
                                {
                                case OsmGeoType.Node:
                                    this.ReportNodeUsage(member.MemberId.Value);
                                    break;

                                case OsmGeoType.Way:
                                    this.ReportWayUsage(member.MemberId.Value);
                                    break;

                                case OsmGeoType.Relation:
                                    this.ReportRelationUsage(member.MemberId.Value);
                                    break;
                                }
                            }
                        }
                    }
                    break;
                }
                return(true);
            }
            return(false);
        }
        /// <summary>
        /// Moves to the next object.
        /// </summary>
        /// <returns></returns>
        public override bool MoveNext()
        {
            if (!_cachingDone)
            { // first seek & cache.
                this.Seek();
                this.CacheRelations();
                _cachingDone = true;
            }

            while (_simpleSource.MoveNext())
            { // there is data.
                OsmGeo currentSimple = _simpleSource.Current();

                if (currentSimple.Id == 198214128 || currentSimple.Id == 1014892489)
                {
                    System.Diagnostics.Debug.WriteLine("");
                }

                switch (currentSimple.Type)
                {
                case OsmGeoType.Node:
                    // create complete version.
                    _current = CompleteNode.CreateFrom(currentSimple as Node);
                    if (_nodesToInclude.Contains(currentSimple.Id.Value))
                    {     // node needs to be cached.
                        _dataCache.AddNode(currentSimple as Node);
                        _nodesToInclude.Remove(currentSimple.Id.Value);
                    }
                    break;

                case OsmGeoType.Way:
                    // create complete way.
                    _current = CompleteWay.CreateFrom(currentSimple as Way, _dataCache);

                    if (_waysToInclude.Contains(currentSimple.Id.Value))
                    {     // keep the way because it is needed later on.
                        _dataCache.AddWay(currentSimple as Way);
                        _waysToInclude.Remove(currentSimple.Id.Value);
                    }
                    else
                    {     // only report that the nodes have been used when the way can be let-go.
                        Way way = currentSimple as Way;
                        if (way.Nodes != null)
                        {     // report usage.
                            way.Nodes.ForEach(x => this.ReportNodeUsage(x));
                        }
                    }
                    break;

                case OsmGeoType.Relation:
                    // create complate relation.
                    _current = CompleteRelation.CreateFrom(currentSimple as Relation, _dataCache);

                    if (!_relationsToInclude.Contains(currentSimple.Id.Value))
                    {     // only report relation usage when the relation can be let go.
                        Relation relation = currentSimple as Relation;
                        if (relation.Members != null)
                        {
                            foreach (RelationMember member in relation.Members)
                            {
                                switch (member.MemberType.Value)
                                {
                                case OsmGeoType.Node:
                                    this.ReportNodeUsage(member.MemberId.Value);
                                    break;

                                case OsmGeoType.Way:
                                    this.ReportWayUsage(member.MemberId.Value);
                                    break;

                                case OsmGeoType.Relation:
                                    this.ReportRelationUsage(member.MemberId.Value);
                                    break;
                                }
                            }
                        }
                    }
                    break;
                }
                if (_current != null)
                { // only return complete objects.
                    return(true);
                }
            }
            return(false);
        }