コード例 #1
0
        public IList <GeoCoordinate> GetCoordinates()
        {
            List <GeoCoordinate> geoCoordinateList = new List <GeoCoordinate>();

            for (int index = 0; index < this.Members.Count; ++index)
            {
                if (this.Members[index].Member is Node)
                {
                    Node member = this.Members[index].Member as Node;
                    geoCoordinateList.Add(member.Coordinate);
                }
                else if (this.Members[index].Member is CompleteWay)
                {
                    CompleteWay member = this.Members[index].Member as CompleteWay;
                    geoCoordinateList.AddRange((IEnumerable <GeoCoordinate>)member.GetCoordinates());
                }
                else if (this.Members[index].Member is CompleteRelation)
                {
                    CompleteRelation member = this.Members[index].Member as CompleteRelation;
                    geoCoordinateList.AddRange((IEnumerable <GeoCoordinate>)member.GetCoordinates());
                }
            }
            return((IList <GeoCoordinate>)geoCoordinateList);
        }
コード例 #2
0
        public static CompleteRelation CreateFrom(Relation simpleRelation, IOsmGeoSource osmGeoSource, IDictionary <long, CompleteWay> ways, IDictionary <long, CompleteRelation> relations)
        {
            if (simpleRelation == null)
            {
                throw new ArgumentNullException("simpleRelation");
            }
            if (osmGeoSource == null)
            {
                throw new ArgumentNullException("osmGeoSource");
            }
            if (!simpleRelation.Id.HasValue)
            {
                throw new Exception("simpleRelation.Id is null");
            }
            CompleteRelation completeRelation1 = CompleteRelation.Create(simpleRelation.Id.Value);

            completeRelation1.ChangeSetId = simpleRelation.ChangeSetId;
            foreach (Tag tag in simpleRelation.Tags)
            {
                completeRelation1.Tags.Add(tag);
            }
            long?nullable1;

            for (int index = 0; index < simpleRelation.Members.Count; ++index)
            {
                nullable1 = simpleRelation.Members[index].MemberId;
                long   num        = nullable1.Value;
                string memberRole = simpleRelation.Members[index].MemberRole;
                CompleteRelationMember completeRelationMember = new CompleteRelationMember();
                completeRelationMember.Role = memberRole;
                switch (simpleRelation.Members[index].MemberType.Value)
                {
                case OsmGeoType.Node:
                    Node node = osmGeoSource.GetNode(num);
                    if (node == null)
                    {
                        return((CompleteRelation)null);
                    }
                    completeRelationMember.Member = (ICompleteOsmGeo)node;
                    break;

                case OsmGeoType.Way:
                    CompleteWay from1;
                    if (!ways.TryGetValue(num, out from1))
                    {
                        Way way = osmGeoSource.GetWay(num);
                        if (way != null)
                        {
                            from1 = CompleteWay.CreateFrom(way, (INodeSource)osmGeoSource);
                        }
                    }
                    if (!((CompleteOsmBase)from1 != (CompleteOsmBase)null))
                    {
                        return((CompleteRelation)null);
                    }
                    completeRelationMember.Member = (ICompleteOsmGeo)from1;
                    break;

                case OsmGeoType.Relation:
                    CompleteRelation from2;
                    if (!relations.TryGetValue(num, out from2))
                    {
                        Relation relation = osmGeoSource.GetRelation(num);
                        if (relation != null)
                        {
                            from2 = CompleteRelation.CreateFrom(relation, osmGeoSource);
                        }
                    }
                    if (!((CompleteOsmBase)from2 != (CompleteOsmBase)null))
                    {
                        return((CompleteRelation)null);
                    }
                    completeRelationMember.Member = (ICompleteOsmGeo)from2;
                    break;
                }
                completeRelation1.Members.Add(completeRelationMember);
            }
            completeRelation1.TimeStamp = simpleRelation.TimeStamp;
            completeRelation1.User      = simpleRelation.UserName;
            completeRelation1.UserId    = simpleRelation.UserId;
            CompleteRelation completeRelation2 = completeRelation1;
            long?            nullable2;

            if (!simpleRelation.Version.HasValue)
            {
                nullable1 = new long?();
                nullable2 = nullable1;
            }
            else
            {
                nullable2 = new long?((long)simpleRelation.Version.Value);
            }
            completeRelation2.Version = nullable2;
            completeRelation1.Visible = simpleRelation.Visible.HasValue && simpleRelation.Visible.Value;
            return(completeRelation1);
        }
コード例 #3
0
        public static CompleteRelation CreateFrom(ObjectTable <string> table, Relation simpleRelation, IDictionary <long, Node> nodes, IDictionary <long, CompleteWay> ways, IDictionary <long, CompleteRelation> relations)
        {
            if (simpleRelation == null)
            {
                throw new ArgumentNullException("simpleRelation");
            }
            if (nodes == null)
            {
                throw new ArgumentNullException("nodes");
            }
            if (ways == null)
            {
                throw new ArgumentNullException("ways");
            }
            if (relations == null)
            {
                throw new ArgumentNullException("relations");
            }
            if (!simpleRelation.Id.HasValue)
            {
                throw new Exception("simpleRelation.Id is null");
            }
            CompleteRelation completeRelation1 = CompleteRelation.Create(table, simpleRelation.Id.Value);

            completeRelation1.ChangeSetId = simpleRelation.ChangeSetId;
            foreach (Tag tag in simpleRelation.Tags)
            {
                completeRelation1.Tags.Add(tag);
            }
            long?nullable1;

            for (int index = 0; index < simpleRelation.Members.Count; ++index)
            {
                nullable1 = simpleRelation.Members[index].MemberId;
                long   key        = nullable1.Value;
                string memberRole = simpleRelation.Members[index].MemberRole;
                CompleteRelationMember completeRelationMember = new CompleteRelationMember();
                completeRelationMember.Role = memberRole;
                switch (simpleRelation.Members[index].MemberType.Value)
                {
                case OsmGeoType.Node:
                    Node node = (Node)null;
                    if (!nodes.TryGetValue(key, out node))
                    {
                        return((CompleteRelation)null);
                    }
                    completeRelationMember.Member = (ICompleteOsmGeo)node;
                    break;

                case OsmGeoType.Way:
                    CompleteWay completeWay = (CompleteWay)null;
                    if (!ways.TryGetValue(key, out completeWay))
                    {
                        return((CompleteRelation)null);
                    }
                    completeRelationMember.Member = (ICompleteOsmGeo)completeWay;
                    break;

                case OsmGeoType.Relation:
                    CompleteRelation completeRelation2 = (CompleteRelation)null;
                    if (!relations.TryGetValue(key, out completeRelation2))
                    {
                        return((CompleteRelation)null);
                    }
                    completeRelationMember.Member = (ICompleteOsmGeo)completeRelation2;
                    break;
                }
                completeRelation1.Members.Add(completeRelationMember);
            }
            completeRelation1.TimeStamp = simpleRelation.TimeStamp;
            completeRelation1.User      = simpleRelation.UserName;
            completeRelation1.UserId    = simpleRelation.UserId;
            CompleteRelation completeRelation3 = completeRelation1;
            ulong?           version           = simpleRelation.Version;
            long?            nullable2;

            if (!version.HasValue)
            {
                nullable1 = new long?();
                nullable2 = nullable1;
            }
            else
            {
                version   = simpleRelation.Version;
                nullable2 = new long?((long)version.Value);
            }
            completeRelation3.Version = nullable2;
            completeRelation1.Visible = simpleRelation.Visible.HasValue && simpleRelation.Visible.Value;
            return(completeRelation1);
        }
コード例 #4
0
        /// <summary>
        /// Creates a new relation from a SimpleRelation.
        /// </summary>
        /// <param name="table"></param>
        /// <param name="simpleRelation"></param>
        /// <param name="nodes"></param>
        /// <param name="ways"></param>
        /// <param name="relations"></param>
        /// <returns></returns>
        public static CompleteRelation CreateFrom(ObjectTable <string> table, Relation simpleRelation,
                                                  IDictionary <long, Node> nodes,
                                                  IDictionary <long, CompleteWay> ways,
                                                  IDictionary <long, CompleteRelation> relations)
        {
            if (simpleRelation == null)
            {
                throw new ArgumentNullException("simpleRelation");
            }
            if (nodes == null)
            {
                throw new ArgumentNullException("nodes");
            }
            if (ways == null)
            {
                throw new ArgumentNullException("ways");
            }
            if (relations == null)
            {
                throw new ArgumentNullException("relations");
            }
            if (simpleRelation.Id == null)
            {
                throw new Exception("simpleRelation.Id is null");
            }

            CompleteRelation relation = Create(table, simpleRelation.Id.Value);

            relation.ChangeSetId = simpleRelation.ChangeSetId;
            foreach (Tag pair in simpleRelation.Tags)
            {
                relation.Tags.Add(pair);
            }
            for (int idx = 0; idx < simpleRelation.Members.Count; idx++)
            {
                long   memberId = simpleRelation.Members[idx].MemberId.Value;
                string role     = simpleRelation.Members[idx].MemberRole;

                var member = new CompleteRelationMember();
                member.Role = role;
                switch (simpleRelation.Members[idx].MemberType.Value)
                {
                case OsmGeoType.Node:
                    Node node = null;
                    if (nodes.TryGetValue(memberId, out node))
                    {
                        member.Member = node;
                    }
                    else
                    {
                        return(null);
                    }
                    break;

                case OsmGeoType.Way:
                    CompleteWay way = null;
                    if (ways.TryGetValue(memberId, out way))
                    {
                        member.Member = way;
                    }
                    else
                    {
                        return(null);
                    }
                    break;

                case OsmGeoType.Relation:
                    CompleteRelation relationMember = null;
                    if (relations.TryGetValue(memberId, out relationMember))
                    {
                        member.Member = relationMember;
                    }
                    else
                    {
                        return(null);
                    }
                    break;
                }
                relation.Members.Add(member);
            }
            relation.TimeStamp = simpleRelation.TimeStamp;
            relation.User      = simpleRelation.UserName;
            relation.UserId    = simpleRelation.UserId;
            relation.Version   = simpleRelation.Version.HasValue ? (long)simpleRelation.Version.Value : (long?)null;
            relation.Visible   = simpleRelation.Visible.HasValue && simpleRelation.Visible.Value;

            return(relation);
        }
コード例 #5
0
 /// <summary>
 /// Adds a new relation.
 /// </summary>
 /// <param name="relation"></param>
 public override void AddRelation(CompleteRelation relation)
 {
     _mapCSSInterpreter.Translate(_scene, _projection, relation);
 }
コード例 #6
0
        /// <summary>
        /// Compares the two complete objects.
        /// </summary>
        public static void CompareComplete(CompleteRelation expected, CompleteRelation actual)
        {
            if (expected == null)
            { // ok, if the value is also null.
                Assert.IsNull(actual);
            }
            else
            { // check and compare the value.
                Assert.IsNotNull(actual);
                Assert.AreEqual(expected.Id, actual.Id);
                Assert.AreEqual(expected.ChangeSetId, actual.ChangeSetId);
                Assert.AreEqual(expected.TimeStamp, actual.TimeStamp);
                Assert.AreEqual(expected.User, actual.User);
                Assert.AreEqual(expected.UserId, actual.UserId);
                Assert.AreEqual(expected.Version, actual.Version);
                Assert.AreEqual(expected.Visible, actual.Visible);

                if (expected.Members == null)
                { // ok, if the value is also null.
                    Assert.IsNotNull(actual.Members);
                }
                else
                { // check and compare the nodes.
                    Assert.AreEqual(expected.Members.Count, actual.Members.Count);
                    for (int idx = 0; idx < expected.Members.Count; idx++)
                    {
                        CompleteRelationMember expectedMember = expected.Members[idx];
                        CompleteRelationMember actualMember = actual.Members[idx];

                        Assert.AreEqual(expectedMember.Role, actualMember.Role);
                        Assert.IsNotNull(expectedMember.Member);
                        Assert.IsNotNull(actualMember.Member);
                        Assert.AreEqual(expectedMember.Member.Type, actualMember.Member.Type);

                        switch (expectedMember.Member.Type)
                        {
                            case CompleteOsmType.Node:
                                ComparisonHelpers.CompareComplete(
                                    expectedMember.Member as Node,
                                    actualMember.Member as Node);
                                break;
                            case CompleteOsmType.Way:
                                ComparisonHelpers.CompareComplete(
                                    expectedMember.Member as CompleteWay,
                                    actualMember.Member as CompleteWay);
                                break;
                            case CompleteOsmType.Relation:
                                ComparisonHelpers.CompareComplete(
                                    expectedMember.Member as CompleteRelation,
                                    actualMember.Member as CompleteRelation);
                                break;
                        }
                    }
                }
            }
        }
コード例 #7
0
        /// <summary>
        /// Creates a relation from a SimpleRelation.
        /// </summary>
        /// <param name="simpleRelation"></param>
        /// <param name="osmGeoSource"></param>
        /// <param name="ways"></param>
        /// <param name="relations"></param>
        /// <returns></returns>
        public static CompleteRelation CreateFrom(Relation simpleRelation, IOsmGeoSource osmGeoSource,
                                                  IDictionary <long, CompleteWay> ways,
                                                  IDictionary <long, CompleteRelation> relations)
        {
            if (simpleRelation == null)
            {
                throw new ArgumentNullException("simpleRelation");
            }
            if (osmGeoSource == null)
            {
                throw new ArgumentNullException("osmGeoSource");
            }
            if (simpleRelation.Id == null)
            {
                throw new Exception("simpleRelation.Id is null");
            }

            CompleteRelation relation = Create(simpleRelation.Id.Value);

            relation.ChangeSetId = simpleRelation.ChangeSetId;
            foreach (Tag pair in simpleRelation.Tags)
            {
                relation.Tags.Add(pair);
            }
            for (int idx = 0; idx < simpleRelation.Members.Count; idx++)
            {
                long   memberId = simpleRelation.Members[idx].MemberId.Value;
                string role     = simpleRelation.Members[idx].MemberRole;

                var member = new CompleteRelationMember();
                member.Role = role;
                switch (simpleRelation.Members[idx].MemberType.Value)
                {
                case OsmGeoType.Node:
                    Node simpleNode = osmGeoSource.GetNode(memberId);
                    if (simpleNode != null)
                    {
                        member.Member = simpleNode;
                    }
                    else
                    {
                        return(null);
                    }
                    break;

                case OsmGeoType.Way:
                    CompleteWay completeWay;
                    if (!ways.TryGetValue(memberId, out completeWay))
                    {
                        Way simpleWay = osmGeoSource.GetWay(memberId);
                        if (simpleWay != null)
                        {
                            completeWay = CompleteWay.CreateFrom(simpleWay, osmGeoSource);
                        }
                    }
                    if (completeWay != null)
                    {
                        member.Member = completeWay;
                    }
                    else
                    {
                        return(null);
                    }
                    break;

                case OsmGeoType.Relation:
                    CompleteRelation completeRelation;
                    if (!relations.TryGetValue(memberId, out completeRelation))
                    {
                        Relation simpleRelationMember = osmGeoSource.GetRelation(memberId);
                        if (simpleRelationMember != null)
                        {
                            completeRelation = CompleteRelation.CreateFrom(simpleRelationMember, osmGeoSource);
                        }
                    }
                    if (completeRelation != null)
                    {
                        member.Member = completeRelation;
                    }
                    else
                    {
                        return(null);
                    }
                    break;
                }
                relation.Members.Add(member);
            }
            relation.TimeStamp = simpleRelation.TimeStamp;
            relation.User      = simpleRelation.UserName;
            relation.UserId    = simpleRelation.UserId;
            relation.Version   = simpleRelation.Version.HasValue ? (long)simpleRelation.Version.Value : (long?)null;
            relation.Visible   = simpleRelation.Visible.HasValue && simpleRelation.Visible.Value;

            return(relation);
        }
コード例 #8
0
 /// <summary>
 /// Translates a relation.
 /// </summary>
 /// <param name="scene">The scene to add primitives to.</param>
 /// <param name="projection">The projection used to convert the objects.</param>
 /// <param name="relation"></param>
 private void TranslateRelation(Scene2D scene, IProjection projection, CompleteRelation relation)
 {
 }
コード例 #9
0
 /// <summary>
 /// Adds a relation to the target.
 /// </summary>
 /// <param name="relation"></param>
 public abstract void AddRelation(CompleteRelation relation);
コード例 #10
0
 public static List<CompleteWay> GetAllWays(CompleteRelation relation)
 {
     return GetAllWaysByRole(relation).SelectMany(kvp => kvp.Value).ToList();
 }
コード例 #11
0
 private static Dictionary<string, List<CompleteWay>> GetAllWaysByRole(CompleteRelation relation)
 {
     var dicionary = relation.Members.GroupBy(m => m.Role ?? string.Empty)
         .ToDictionary(g => g.Key, g => g.Select(k => k.Member).OfType<CompleteWay>().ToList());
     if (relation.Members.All(m => m.Member.Type != CompleteOsmType.Relation))
     {
         return dicionary;
     }
     var subRelations = relation.Members.Select(m => m.Member).OfType<CompleteRelation>();
     foreach (var subRelation in subRelations)
     {
         var subRelationDictionary = GetAllWaysByRole(subRelation);
         foreach (var key in subRelationDictionary.Keys)
         {
             if (dicionary.ContainsKey(key))
             {
                 dicionary[key].AddRange(subRelationDictionary[key]);
             }
             else
             {
                 dicionary[key] = subRelationDictionary[key];
             }
         }
     }
     return dicionary;
 }
コード例 #12
0
 private Feature ConvertToMultipolygon(CompleteRelation relation)
 {
     var outerWays = GetAllWaysByRole(relation).Where(kvp => kvp.Key == OUTER).SelectMany(kvp => kvp.Value).ToList();
     var outerPolygons = GetGeometriesFromWays(outerWays).OfType<IPolygon>().ToList();
     var innerWays = GetAllWaysByRole(relation).Where(kvp => kvp.Key != OUTER).SelectMany(kvp => kvp.Value).ToList();
     var innerPolygons = GetGeometriesFromWays(innerWays).OfType<IPolygon>().ToList();
     MergeInnerIntoOuterPolygon(ref outerPolygons, ref innerPolygons);
     var multiPolygon = new MultiPolygon(outerPolygons.Union(innerPolygons).ToArray());
     return new Feature(multiPolygon, ConvertTags(relation.Tags, relation.Id));
 }
コード例 #13
0
        private Feature ConvertRelation(CompleteRelation relation)
        {
            if (IsMultipolygon(relation))
            {
                return ConvertToMultipolygon(relation);
            }

            var nodes = relation.Members.Select(m => m.Member).OfType<Node>().ToList();
            if (nodes.Any())
            {
                var multiPoint = new MultiPoint(nodes.Select(n => new Point(ConvertNode(n)) as IPoint).ToArray());
                return new Feature(multiPoint, ConvertTags(relation.Tags, relation.Id));
            }

            var geometries = GetGeometriesFromWays(GetAllWays(relation));
            if (!geometries.Any())
            {
                return null;
            }
            var jointLines = geometries.OfType<ILineString>().ToList();
            jointLines.AddRange(geometries.OfType<Polygon>().Select(p => new LineString(p.Coordinates) as ILineString));
            var multiLineString = new MultiLineString(jointLines.ToArray());
            return new Feature(multiLineString, ConvertTags(relation.Tags, relation.Id));
        }
コード例 #14
0
 /// <summary>
 /// Returns all restrictions that are represented by the given node.
 /// </summary>
 /// <param name="completeRelation"></param>
 /// <returns></returns>
 public List<KeyValuePair<Vehicle, long[]>> CalculateRestrictions(CompleteRelation completeRelation)
 {
     return new List<KeyValuePair<Vehicle, long[]>>();
 }
コード例 #15
0
        /// <summary>
        /// Creates a relation from a SimpleRelation.
        /// </summary>
        /// <param name="simpleRelation"></param>
        /// <param name="cache"></param>
        /// <returns></returns>
        public static CompleteRelation CreateFrom(Relation simpleRelation, IDataSourceReadOnly cache)
        {
            if (simpleRelation == null)
            {
                throw new ArgumentNullException("simpleRelation");
            }
            if (cache == null)
            {
                throw new ArgumentNullException("cache");
            }
            if (simpleRelation.Id == null)
            {
                throw new Exception("simpleRelation.Id is null");
            }

            CompleteRelation relation = Create(simpleRelation.Id.Value);

            relation.ChangeSetId = simpleRelation.ChangeSetId;
            foreach (Tag pair in simpleRelation.Tags)
            {
                relation.Tags.Add(pair);
            }
            for (int idx = 0; idx < simpleRelation.Members.Count; idx++)
            {
                long   memberId = simpleRelation.Members[idx].MemberId.Value;
                string role     = simpleRelation.Members[idx].MemberRole;

                var member = new CompleteRelationMember();
                member.Role = role;
                switch (simpleRelation.Members[idx].MemberType.Value)
                {
                case OsmGeoType.Node:
                    Node simpleNode = cache.GetNode(memberId);
                    if (simpleNode != null)
                    {
                        member.Member = CompleteNode.CreateFrom(simpleNode);
                    }
                    else
                    {
                        return(null);
                    }
                    break;

                case OsmGeoType.Way:
                    Way simpleWay = cache.GetWay(memberId);
                    if (simpleWay != null)
                    {
                        member.Member = CompleteWay.CreateFrom(simpleWay, cache);
                    }
                    else
                    {
                        return(null);
                    }
                    break;

                case OsmGeoType.Relation:
                    Relation simpleRelationMember = cache.GetRelation(memberId);
                    if (simpleRelationMember != null)
                    {
                        member.Member = CompleteRelation.CreateFrom(simpleRelationMember, cache);
                    }
                    else
                    {
                        return(null);
                    }
                    break;
                }
                relation.Members.Add(member);
            }
            relation.TimeStamp = simpleRelation.TimeStamp;
            relation.User      = simpleRelation.UserName;
            relation.UserId    = simpleRelation.UserId;
            relation.Version   = simpleRelation.Version.HasValue ? (long)simpleRelation.Version.Value : (long?)null;
            relation.Visible   = simpleRelation.Visible.HasValue && simpleRelation.Visible.Value;

            return(relation);
        }
コード例 #16
0
        /// <summary>
        /// Creates a relation from a SimpleRelation.
        /// </summary>
        /// <returns></returns>
        public static CompleteRelation CreateFrom(Relation simpleRelation, IOsmGeoSource osmGeoSource)
        {
            if (simpleRelation == null)
            {
                throw new ArgumentNullException("simpleRelation");
            }
            if (osmGeoSource == null)
            {
                throw new ArgumentNullException("osmGeoSource");
            }
            if (simpleRelation.Id == null)
            {
                throw new Exception("simpleRelation.Id is null");
            }

            var relation = Create(simpleRelation.Id.Value);

            relation.ChangeSetId = simpleRelation.ChangeSetId;
            if (simpleRelation.Tags != null)
            {
                foreach (var pair in simpleRelation.Tags)
                {
                    relation.Tags.Add(pair);
                }
            }
            if (simpleRelation.Members != null)
            {
                for (var idx = 0; idx < simpleRelation.Members.Count; idx++)
                {
                    var memberId = simpleRelation.Members[idx].MemberId.Value;
                    var role     = simpleRelation.Members[idx].MemberRole;
                    var member   = new CompleteRelationMember();
                    member.Role = role;
                    switch (simpleRelation.Members[idx].MemberType.Value)
                    {
                    case OsmGeoType.Node:
                        var simpleNode = osmGeoSource.GetNode(memberId);
                        if (simpleNode == null)
                        {
                            return(null);
                        }
                        var completeNode = simpleNode;
                        if (completeNode != null)
                        {
                            member.Member = completeNode;
                        }
                        else
                        {
                            return(null);
                        }
                        break;

                    case OsmGeoType.Way:
                        var simpleWay = osmGeoSource.GetWay(memberId);
                        if (simpleWay == null)
                        {
                            return(null);
                        }
                        var completeWay = CompleteWay.CreateFrom(simpleWay, osmGeoSource);
                        if (completeWay != null)
                        {
                            member.Member = completeWay;
                        }
                        else
                        {
                            return(null);
                        }
                        break;

                    case OsmGeoType.Relation:
                        var simpleRelationMember = osmGeoSource.GetRelation(memberId);
                        if (simpleRelationMember == null)
                        {
                            return(null);
                        }
                        var completeRelation = CompleteRelation.CreateFrom(simpleRelationMember, osmGeoSource);
                        if (completeRelation != null)
                        {
                            member.Member = completeRelation;
                        }
                        else
                        {
                            return(null);
                        }
                        break;
                    }
                    relation.Members.Add(member);
                }
            }
            relation.TimeStamp = simpleRelation.TimeStamp;
            relation.User      = simpleRelation.UserName;
            relation.UserId    = simpleRelation.UserId;
            relation.Version   = simpleRelation.Version.HasValue ? (long)simpleRelation.Version.Value : (long?)null;
            relation.Visible   = simpleRelation.Visible.HasValue && simpleRelation.Visible.Value;
            return(relation);
        }