Ejemplo n.º 1
0
        public bool MakeHoleFromLoop(uint lId)
        {
            uint uLId1 = 0;

            {
                if (!Loop2UseLoop.ContainsKey(lId))
                {
                    return(false);
                }
                uLId1 = Loop2UseLoop[lId];
            }
            System.Diagnostics.Debug.Assert(BRep.IsUseLoopId(uLId1));
            BRep.SetUseLoopLoopId(uLId1, 0);
            Loop2UseLoop.Remove(lId);
            return(true);
        }
Ejemplo n.º 2
0
 public bool IsElementId(CadElementType type, uint id)
 {
     if (type == CadElementType.Vertex)
     {
         return(BRep.IsUseVertexId(id));
     }
     else if (type == CadElementType.Edge)
     {
         return(Edge2HalfEdge.ContainsKey(id));
     }
     else if (type == CadElementType.Loop)
     {
         return(Loop2UseLoop.ContainsKey(id));
     }
     return(false);
 }
Ejemplo n.º 3
0
        public uint AddVertexToLoop(uint lId)
        {
            uint uLId = 0;
            {
                if (Loop2UseLoop.ContainsKey(lId))
                {
                    uLId = Loop2UseLoop[lId];
                }
            }

            uint addUVId;
            uint addHEId;
            uint addULId;

            BRep.MVEL(out addUVId, out addHEId, out addULId, uLId);
            BRep.AssertValidUse();
            BRep.SetUseLoopLoopId(addULId, lId);

            uint addVId = addUVId;

            BRep.SetUseVertexVertexId(addUVId, addVId);
            System.Diagnostics.Debug.Assert(AssertValid());
            return(addVId);
        }
Ejemplo n.º 4
0
        public bool RemoveEdge(uint eId, bool isDelCP)
        {
            uint hEId1 = 0;
            {
                if (!Edge2HalfEdge.ContainsKey(eId))
                {
                    return(false);
                }
                hEId1 = Edge2HalfEdge[eId];
            }
            uint hEId2;
            {
                System.Diagnostics.Debug.Assert(BRep.IsHalfEdgeId(hEId1));
                HalfEdge hE1 = BRep.GetHalfEdge(hEId1);
                hEId2 = hE1.OHEId;
            }
            uint uLId1;
            uint lId1;
            bool isEdgeVertex2 = false;
            {
                HalfEdge hE1 = BRep.GetHalfEdge(hEId1);
                System.Diagnostics.Debug.Assert(hE1.OHEId == hEId2);
                uLId1 = hE1.ULId;
                UseLoop uL1 = BRep.GetUseLoop(uLId1);
                lId1 = uL1.LId;
                if (hE1.FHEId == hEId2)
                {
                    isEdgeVertex2 = true;
                }
            }

            uint uLId2;
            uint lId2;
            bool isEdgeVertex1 = false;

            {
                HalfEdge hE2 = BRep.GetHalfEdge(hEId2);
                System.Diagnostics.Debug.Assert(hE2.OHEId == hEId1);
                uLId2 = hE2.ULId;
                UseLoop uL2 = BRep.GetUseLoop(uLId2);
                lId2 = uL2.LId;
                if (hE2.FHEId == hEId1)
                {
                    isEdgeVertex1 = true;
                }
            }
            if (lId1 != lId2)
            {
                System.Diagnostics.Debug.Assert(uLId1 != uLId2);
                System.Diagnostics.Debug.Assert(!isEdgeVertex1 && !isEdgeVertex2);
                uint newLId;
                if (lId1 != 0)
                {
                    if (lId2 == 0)
                    {
                        newLId = 0;
                    }
                    else
                    {
                        newLId = lId1;
                    }
                }
                else
                {
                    newLId = 0;
                }
                {
                    uint    uLId = uLId1;
                    UseLoop uL   = BRep.GetUseLoop(uLId);
                    uLId = uL.ParentULId;
                    while (true)
                    {
                        if (uLId == 0)
                        {
                            break;
                        }
                        BRep.SetUseLoopLoopId(uLId, newLId);
                        System.Diagnostics.Debug.Assert(BRep.IsUseLoopId(uLId));
                        UseLoop tmpUL = BRep.GetUseLoop(uLId);
                        uLId = tmpUL.ChildULId;
                    }
                }
                {
                    uint    uLId = uLId2;
                    UseLoop uL   = BRep.GetUseLoop(uLId);
                    uLId = uL.ParentULId;
                    while (true)
                    {
                        if (uLId == 0)
                        {
                            break;
                        }
                        BRep.SetUseLoopLoopId(uLId, newLId);
                        System.Diagnostics.Debug.Assert(BRep.IsUseLoopId(uLId));
                        UseLoop tmpUL = BRep.GetUseLoop(uLId);
                        uLId = tmpUL.ChildULId;
                    }
                }
                if (lId1 != 0)
                {
                    if (!BRep.KEL(hEId1))
                    {
                        System.Diagnostics.Debug.Assert(false);
                    }
                    if (lId2 == 0)
                    {
                        Loop2UseLoop.Remove(lId1);
                    }
                    else
                    {
                        Loop2UseLoop.Remove(lId1);
                        Loop2UseLoop.Remove(lId2);
                        System.Diagnostics.Debug.Assert(BRep.IsUseLoopId(uLId1));
                        UseLoop uL = BRep.GetUseLoop(uLId1);
                        System.Diagnostics.Debug.Assert(BRep.IsUseLoopId(uL.ParentULId));
                        Loop2UseLoop.Add(lId1, uL.ParentULId);
                    }
                }
                else
                {
                    System.Diagnostics.Debug.Assert(lId2 != 0);
                    if (!BRep.KEL(hEId2))
                    {
                        System.Diagnostics.Debug.Assert(false);
                    }
                    Loop2UseLoop.Remove(lId2);
                }
                Edge2HalfEdge.Remove(eId);
                System.Diagnostics.Debug.Assert(AssertValid());
                return(true);
            }
            if (uLId1 == uLId2)
            {
                System.Diagnostics.Debug.Assert(lId1 == lId2);
                if (!isEdgeVertex1 && !isEdgeVertex2)
                {
                    if (lId1 != 0)
                    {
                        uint addULId;
                        if (!BRep.KEML(out addULId, hEId1))
                        {
                            System.Diagnostics.Debug.Assert(false);
                        }
                        if (isDelCP)
                        {
                            System.Diagnostics.Debug.Assert(GetUseLoopType(addULId) == 2);
                            if (!BRep.SwapUseLoop(addULId, uLId1))
                            {
                                System.Diagnostics.Debug.Assert(false);
                            }
                            Loop2UseLoop[lId1] = addULId;
                        }
                        BRep.SetUseLoopLoopId(addULId, lId1);
                    }
                    else
                    {
                        uint addULId;
                        if (!BRep.KEML(out addULId, hEId1))
                        {
                            System.Diagnostics.Debug.Assert(false);
                        }
                        BRep.SetUseLoopLoopId(addULId, 0);
                    }
                }
                else if (isEdgeVertex1 && isEdgeVertex2)
                {
                    uint addULId;
                    if (!BRep.KEMLTwoFloatingVertex(out addULId, hEId1))
                    {
                        System.Diagnostics.Debug.Assert(false);
                    }
                    BRep.SetHalfEdgeEdgeId(hEId1, 0, true);
                    BRep.SetHalfEdgeEdgeId(hEId2, 0, true);
                    BRep.SetUseLoopLoopId(addULId, lId1);
                }
                else if (isEdgeVertex1 && !isEdgeVertex2)
                {
                    uint id_ul_add;
                    if (!BRep.KEMLOneFloatingVertex(out id_ul_add, hEId1))
                    {
                        System.Diagnostics.Debug.Assert(false);
                    }
                    BRep.SetUseLoopLoopId(id_ul_add, lId1);
                }
                else if (isEdgeVertex2 && !isEdgeVertex1)
                {
                    uint id_ul_add;
                    if (!BRep.KEMLOneFloatingVertex(out id_ul_add, hEId2))
                    {
                        System.Diagnostics.Debug.Assert(false);
                    }
                    BRep.SetUseLoopLoopId(id_ul_add, lId1);
                }
                Edge2HalfEdge.Remove(eId);
                System.Diagnostics.Debug.Assert(AssertValid());
                return(true);
            }
            return(false);
        }
Ejemplo n.º 5
0
        public ConnectVertexRes ConnectVertex(VertexEdgeItr vItr1, VertexEdgeItr vItr2, bool isLeftAddL)
        {
            ConnectVertexRes res = new ConnectVertexRes();

            uint uVId1 = vItr1.GetUseVertexId();
            uint uVId2 = vItr2.GetUseVertexId();

            if (!BRep.IsUseVertexId(uVId1))
            {
                return(res);
            }
            if (!BRep.IsUseVertexId(uVId2))
            {
                return(res);
            }
            if (uVId1 == uVId2)
            {
                return(res);
            }
            res.VId1 = BRep.GetUseVertex(uVId1).VId;
            res.VId2 = BRep.GetUseVertex(uVId2).VId;

            if (vItr1.GetLoopId() != vItr2.GetLoopId())
            {
                return(res);
            }
            uint lId = vItr1.GetLoopId();

            res.LId = lId;

            uint hEId1 = vItr1.GetHalfEdgeId();
            uint hEId2 = vItr2.GetHalfEdgeId();

            uint uLId1;
            bool isFloat1;
            {
                System.Diagnostics.Debug.Assert(BRep.IsHalfEdgeId(hEId1));
                HalfEdge hE1 = BRep.GetHalfEdge(hEId1);
                uLId1 = hE1.ULId;
                System.Diagnostics.Debug.Assert(BRep.IsUseLoopId(uLId1));
                isFloat1 = (hE1.EId == 0);
            }
            uint uLId2;
            bool isFloat2;

            {
                System.Diagnostics.Debug.Assert(BRep.IsHalfEdgeId(hEId2));
                HalfEdge hE2 = BRep.GetHalfEdge(hEId2);
                uLId2 = hE2.ULId;
                System.Diagnostics.Debug.Assert(BRep.IsUseLoopId(uLId2));
                isFloat2 = (hE2.EId == 0);
            }

            if (uLId1 != uLId2)
            {
                if (isFloat1 && !isFloat2)
                {
                    uint addHEId1;
                    if (!BRep.MEKLOneFloatingVertex(out addHEId1, hEId2, hEId1))
                    {
                        System.Diagnostics.Debug.Assert(false);
                    }
                    uint addEId = GetFreeKey(Edge2HalfEdge);
                    BRep.SetHalfEdgeEdgeId(addHEId1, addEId, false);
                    BRep.SetHalfEdgeEdgeId(hEId1, addEId, true);
                    Edge2HalfEdge.Add(addEId, hEId1);
                    System.Diagnostics.Debug.Assert(AssertValid());
                    res.AddEId = addEId;
                    return(res);
                }
                else if (isFloat2 && !isFloat1)
                {
                    uint addHEId1;
                    if (!BRep.MEKLOneFloatingVertex(out addHEId1, hEId1, hEId2))
                    {
                        System.Diagnostics.Debug.Assert(false);
                    }
                    uint addEId = GetFreeKey(Edge2HalfEdge);
                    BRep.SetHalfEdgeEdgeId(addHEId1, addEId, true);
                    BRep.SetHalfEdgeEdgeId(hEId2, addEId, false);
                    Edge2HalfEdge.Add(addEId, addHEId1);
                    System.Diagnostics.Debug.Assert(AssertValid());
                    res.AddEId = addEId;
                    return(res);
                }
                else if (isFloat1 && isFloat2)
                {
                    if (!BRep.MEKLTwoFloatingVertex(hEId1, hEId2))
                    {
                        System.Diagnostics.Debug.Assert(false);
                    }
                    uint addEId = GetFreeKey(Edge2HalfEdge);
                    BRep.SetHalfEdgeEdgeId(hEId1, addEId, true);
                    BRep.SetHalfEdgeEdgeId(hEId2, addEId, false);
                    Edge2HalfEdge.Add(addEId, hEId1);
                    System.Diagnostics.Debug.Assert(AssertValid());
                    res.AddEId = addEId;
                    return(res);
                }
                else
                {
                    uint addHEId1;
                    uint addHEId2;
                    if (!BRep.MEKL(out addHEId1, out addHEId2, hEId1, hEId2))
                    {
                        System.Diagnostics.Debug.Assert(false);
                    }
                    uint addEId = GetFreeKey(Edge2HalfEdge);
                    BRep.SetHalfEdgeEdgeId(addHEId1, addEId, true);
                    BRep.SetHalfEdgeEdgeId(addHEId2, addEId, false);
                    Edge2HalfEdge.Add(addEId, addHEId1);
                    if (lId != 0)
                    {
                        uint parentULId1 = BRep.GetUseLoop(uLId1).ParentULId;
                        System.Diagnostics.Debug.Assert(parentULId1 != 0);
                        System.Diagnostics.Debug.Assert(Loop2UseLoop.ContainsKey(lId));
                        Loop2UseLoop[lId] = parentULId1;
                    }
                    else
                    {
                    }
                    System.Diagnostics.Debug.Assert(AssertValid());
                    res.AddEId = addEId;
                    return(res);
                }
            }
            else if (uLId1 == uLId2)
            {
                uint addHEId1;
                uint addHEId2;
                uint addULId;
                if (!BRep.MEL(out addHEId1, out addHEId2, out addULId, hEId1, hEId2))
                {
                    System.Diagnostics.Debug.Assert(false);
                }
                System.Diagnostics.Debug.Assert(BRep.AssertValidUse() == 0);
                uint addEId = GetFreeKey(Edge2HalfEdge);
                BRep.SetHalfEdgeEdgeId(addHEId1, addEId, true);
                BRep.SetHalfEdgeEdgeId(addHEId2, addEId, false);

                Edge2HalfEdge.Add(addEId, addHEId1);
                bool iflag = true;
                if (lId == 0)
                {
                    iflag = !isLeftAddL;
                }
                else
                {
                    uint parentULId = Loop2UseLoop[lId];
                    if (uLId1 != parentULId)
                    {
                        if (isLeftAddL)
                        {
                            BRep.SwapUseLoop(addULId, uLId1);
                            BRep.SetUseLoopLoopId(addULId, lId);
                            BRep.AssertValidUse();
                            iflag = false;
                        }
                        else
                        {
                        }
                    }
                    else
                    {
                    }
                }

                uint addLId = GetFreeKey(Loop2UseLoop);
                if (iflag)
                {
                    Loop2UseLoop.Add(addLId, addULId);
                    BRep.SetUseLoopLoopId(addULId, addLId);
                }
                else
                {
                    Loop2UseLoop.Add(addLId, uLId1);
                    BRep.SetUseLoopLoopId(uLId1, addLId);
                }
                System.Diagnostics.Debug.Assert(AssertValid());
                res.AddEId     = addEId;
                res.AddLId     = addLId;
                res.IsLeftAddL = !iflag;
                return(res);
            }
            System.Diagnostics.Debug.Assert(false);
            return(res);
        }
Ejemplo n.º 6
0
 public void Clear()
 {
     BRep.Clear();
     Edge2HalfEdge.Clear();
     Loop2UseLoop.Clear();
 }
Ejemplo n.º 7
0
        public bool AssertValid()
        {
            foreach (var pair in Loop2UseLoop)
            {
                uint lId        = pair.Key;
                uint parentULId = pair.Value;
                System.Diagnostics.Debug.Assert(BRep.IsUseLoopId(parentULId));
                {
                    UseLoop uL = BRep.GetUseLoop(parentULId);
                    System.Diagnostics.Debug.Assert(uL.Id == parentULId);
                    System.Diagnostics.Debug.Assert(uL.LId == lId);
                }
                System.Diagnostics.Debug.Assert(GetUseLoopType(parentULId) == 2);
                uint uLId = parentULId;
                while (true)
                {
                    System.Diagnostics.Debug.Assert(BRep.IsUseLoopId(uLId));
                    UseLoop uL = BRep.GetUseLoop(uLId);
                    System.Diagnostics.Debug.Assert(uL.Id == uLId);
                    System.Diagnostics.Debug.Assert(uL.LId == lId);
                    System.Diagnostics.Debug.Assert(uL.ParentULId == parentULId);
                    uLId = uL.ChildULId;
                    if (uLId == 0)
                    {
                        break;
                    }
                }
            }

            foreach (var pair in Edge2HalfEdge)
            {
                uint hEId = pair.Value;
                System.Diagnostics.Debug.Assert(BRep.IsHalfEdgeId(hEId));
            }

            IList <uint> uLIds = BRep.UseLoopArray.GetObjectIds();

            for (int i = 0; i < uLIds.Count; i++)
            {
                uint uLId = uLIds[i];
                System.Diagnostics.Debug.Assert(BRep.IsUseLoopId(uLId));
                UseLoop uL = BRep.GetUseLoop(uLId);
                System.Diagnostics.Debug.Assert(uL.Id == uLId);
                uint lId = uL.LId;
                if (lId == 0)
                {
                    System.Diagnostics.Debug.Assert(uL.ParentULId == 0);
                    //2019-03-11 RemoveElement FIX
                    //System.Diagnostics.Debug.Assert(uL.ChildULId == 0);
                    continue;
                }
                System.Diagnostics.Debug.Assert(Loop2UseLoop.ContainsKey(lId));
            }

            IList <uint> hEIds = BRep.HalfEdgeArray.GetObjectIds();

            for (int i = 0; i < hEIds.Count; i++)
            {
                uint hEId = hEIds[i];
                System.Diagnostics.Debug.Assert(BRep.IsHalfEdgeId(hEId));
                HalfEdge hEdge = BRep.GetHalfEdge(hEId);
                System.Diagnostics.Debug.Assert(hEdge.Id == hEId);

                uint vId1;
                {
                    uint uVId1 = hEdge.UVId;
                    System.Diagnostics.Debug.Assert(BRep.IsUseVertexId(uVId1));
                    UseVertex uV = BRep.GetUseVertex(uVId1);
                    System.Diagnostics.Debug.Assert(uV.Id == uVId1);
                    vId1 = uV.VId;
                }

                uint vId2;
                {
                    uint fHEId = hEdge.FHEId;
                    System.Diagnostics.Debug.Assert(BRep.IsHalfEdgeId(fHEId));
                    HalfEdge cwEdge = BRep.GetHalfEdge(fHEId);
                    System.Diagnostics.Debug.Assert(cwEdge.Id == fHEId);
                    System.Diagnostics.Debug.Assert(cwEdge.BHEId == hEId);
                    System.Diagnostics.Debug.Assert(cwEdge.ULId == hEdge.ULId);
                    uint uvId2 = cwEdge.UVId;
                    System.Diagnostics.Debug.Assert(BRep.IsUseVertexId(uvId2));
                    UseVertex uV = BRep.GetUseVertex(uvId2);
                    System.Diagnostics.Debug.Assert(uV.Id == uvId2);
                    vId2 = uV.VId;
                }

                bool isSameDir = hEdge.IsSameDir;
                uint eId       = hEdge.EId;
                if (eId == 0)
                {
                    System.Diagnostics.Debug.Assert(hEdge.OHEId == hEId);
                    System.Diagnostics.Debug.Assert(hEdge.BHEId == hEId);
                    System.Diagnostics.Debug.Assert(hEdge.FHEId == hEId);
                    continue;
                }

                System.Diagnostics.Debug.Assert(Edge2HalfEdge.ContainsKey(eId));

                uint sVId;
                uint eVId;
                GetEdgeVertexIds(eId, out sVId, out eVId);

                if (isSameDir)
                {
                    System.Diagnostics.Debug.Assert(vId1 == sVId);
                    System.Diagnostics.Debug.Assert(vId2 == eVId);
                }
                else
                {
                    System.Diagnostics.Debug.Assert(vId1 == eVId);
                    System.Diagnostics.Debug.Assert(vId2 == sVId);
                }
            }

            IList <uint> uVIds = BRep.UseVertexArray.GetObjectIds();

            for (int i = 0; i < uVIds.Count; i++)
            {
                uint uVId = uVIds[i];
                System.Diagnostics.Debug.Assert(BRep.IsUseVertexId(uVId));
                UseVertex uV = BRep.GetUseVertex(uVId);
                System.Diagnostics.Debug.Assert(uV.Id == uVId);
                uint vId = uV.VId;
                System.Diagnostics.Debug.Assert(uVId == vId);
            }
            return(true);
        }
Ejemplo n.º 8
0
        public bool Serialize(Serializer arch)
        {
            if (arch.IsLoading)
            {   // 読み込み時の処理
                Clear();

                string   className;
                string[] values;

                className = arch.ReadDepthClassName();
                if (className != "BRep2D")
                {
                    return(true);
                }
                {
                    int ne;
                    values = arch.GetValues();
                    ne     = int.Parse(values[0]);
                    System.Diagnostics.Debug.Assert(ne >= 0);
                    for (uint ie = 0; ie < ne; ie++)
                    {
                        int itmp;
                        int eId;
                        int hEId;
                        values = arch.GetValues();
                        itmp   = int.Parse(values[0]);
                        eId    = int.Parse(values[1]);
                        hEId   = int.Parse(values[2]);
                        Edge2HalfEdge.Add((uint)eId, (uint)hEId);
                    }
                }
                {
                    int nl;
                    values = arch.GetValues();
                    nl     = int.Parse(values[0]);
                    System.Diagnostics.Debug.Assert(nl >= 0);
                    for (uint il = 0; il < nl; il++)
                    {
                        int itmp;
                        int lId;
                        int uLId;
                        values = arch.GetValues();
                        itmp   = int.Parse(values[0]);
                        lId    = int.Parse(values[1]);
                        uLId   = int.Parse(values[2]);
                        Loop2UseLoop.Add((uint)lId, (uint)uLId);
                    }
                }
                ////////////////
                int nuv;
                int nhe;
                int nul;
                {
                    values = arch.GetValues();
                    nuv    = int.Parse(values[0]);
                    nhe    = int.Parse(values[1]);
                    nul    = int.Parse(values[2]);
                    System.Diagnostics.Debug.Assert(nuv > 0);
                    System.Diagnostics.Debug.Assert(nhe > 0);
                    System.Diagnostics.Debug.Assert(nul > 0);

                    /*
                     * m_BRep.m_UseVertexSet.Reserve(nuv * 2);
                     * m_BRep.m_HalfEdgeSet.Reserve(nhe * 2);
                     * m_BRep.m_UseLoopSet.Reserve(nul * 2);
                     */
                }
                ////////////////////////////////////////////////
                arch.ShiftDepth(true);
                for (int iuv = 0; iuv < nuv; iuv++)
                {
                    className = arch.ReadDepthClassName();
                    System.Diagnostics.Debug.Assert(className == "CUseVertex");

                    int id;
                    values = arch.GetValues();
                    id     = int.Parse(values[0]);
                    System.Diagnostics.Debug.Assert(id > 0);

                    int vId;
                    values = arch.GetValues();
                    vId    = int.Parse(values[0]);
                    System.Diagnostics.Debug.Assert(vId > 0);

                    int hEId;
                    values = arch.GetValues();
                    hEId   = int.Parse(values[0]);
                    System.Diagnostics.Debug.Assert(hEId > 0);

                    UseVertex uv    = new UseVertex((uint)id, (uint)hEId);
                    uint      tmpId = BRep.UseVertexArray.AddObject(uv);
                    System.Diagnostics.Debug.Assert(tmpId == id);
                    BRep.SetUseVertexVertexId((uint)id, (uint)vId);
                }
                for (int ihe = 0; ihe < nhe; ihe++)
                {
                    className = arch.ReadDepthClassName();
                    System.Diagnostics.Debug.Assert(className == "CHalfEdge");

                    int id;
                    values = arch.GetValues();
                    id     = int.Parse(values[0]);
                    System.Diagnostics.Debug.Assert(id > 0);

                    int eId;
                    values = arch.GetValues();
                    eId    = int.Parse(values[0]);
                    System.Diagnostics.Debug.Assert(eId >= 0);

                    int iIsSameDir;
                    values     = arch.GetValues();
                    iIsSameDir = int.Parse(values[0]);
                    System.Diagnostics.Debug.Assert(iIsSameDir >= 0);

                    int uvId;
                    values = arch.GetValues();
                    uvId   = int.Parse(values[0]);
                    System.Diagnostics.Debug.Assert(uvId > 0);

                    int fHEId;
                    int ccwHEId;
                    int oHEId;
                    values  = arch.GetValues();
                    fHEId   = int.Parse(values[0]);
                    ccwHEId = int.Parse(values[1]);
                    oHEId   = int.Parse(values[2]);
                    System.Diagnostics.Debug.Assert(
                        fHEId > 0 && ccwHEId > 0 && oHEId > 0);

                    int id_ul;
                    values = arch.GetValues();
                    id_ul  = int.Parse(values[0]);
                    System.Diagnostics.Debug.Assert(id_ul > 0);

                    bool     is_same_dir = (iIsSameDir != 0);
                    HalfEdge he          = new HalfEdge(
                        (uint)id, (uint)uvId, (uint)fHEId, (uint)ccwHEId, (uint)oHEId, (uint)id_ul);
                    uint tmp_id = BRep.HalfEdgeArray.AddObject(he);
                    System.Diagnostics.Debug.Assert(tmp_id == id);
                    BRep.SetHalfEdgeEdgeId((uint)id, (uint)eId, is_same_dir);
                }
                for (int iul = 0; iul < nul; iul++)
                {
                    className = arch.ReadDepthClassName();
                    System.Diagnostics.Debug.Assert(className == "CUseLoop");

                    int id;
                    values = arch.GetValues();
                    id     = int.Parse(values[0]);
                    System.Diagnostics.Debug.Assert(id > 0);

                    int lId;
                    values = arch.GetValues();
                    lId    = int.Parse(values[0]);
                    System.Diagnostics.Debug.Assert(lId >= 0);

                    int hEId;
                    values = arch.GetValues();
                    hEId   = int.Parse(values[0]);
                    System.Diagnostics.Debug.Assert(hEId > 0);

                    int cULId;
                    values = arch.GetValues();
                    cULId  = int.Parse(values[0]);
                    System.Diagnostics.Debug.Assert(cULId >= 0);

                    int pULId;
                    values = arch.GetValues();
                    pULId  = int.Parse(values[0]);
                    System.Diagnostics.Debug.Assert(pULId >= 0);

                    UseLoop ul    = new UseLoop((uint)id, (uint)hEId, (uint)cULId, (uint)pULId);
                    uint    tmpId = BRep.UseLoopArray.AddObject(ul);
                    System.Diagnostics.Debug.Assert(tmpId == id);
                    BRep.SetUseLoopLoopId((uint)id, (uint)lId);
                }
                arch.ShiftDepth(false);
                AssertValid();
                return(true);
            }
            else
            {
                // 書き込み時の処理
                string line;

                // クラスの名前の指定,サイズの指定
                arch.WriteDepthClassName("BRep2D");
                {
                    line = string.Format("{0}", Edge2HalfEdge.Count);
                    arch.WriteLine(line);

                    uint icnt = 0;
                    foreach (var pair in Edge2HalfEdge)
                    {
                        line = string.Format("{0} {1} {2}", icnt, pair.Key, pair.Value);
                        arch.WriteLine(line);
                        icnt++;
                    }
                }
                {
                    line = string.Format("{0}", Loop2UseLoop.Count);
                    arch.WriteLine(line);

                    uint icnt = 0;
                    foreach (var pair in Loop2UseLoop)
                    {
                        line = string.Format("{0} {1} {2}", icnt, pair.Key, pair.Value);
                        arch.WriteLine(line);
                        icnt++;
                    }
                }

                line = string.Format("{0} {1} {2}",
                                     BRep.UseVertexArray.GetObjectIds().Count,
                                     BRep.HalfEdgeArray.GetObjectIds().Count,
                                     BRep.UseLoopArray.GetObjectIds().Count);
                arch.WriteLine(line);

                arch.ShiftDepth(true);
                ////////////////
                // UseVertexの出力
                {
                    IList <uint> ids = BRep.UseVertexArray.GetObjectIds();
                    foreach (uint uvId in ids)
                    {
                        System.Diagnostics.Debug.Assert(BRep.IsUseVertexId(uvId));
                        UseVertex uv = BRep.GetUseVertex(uvId);
                        System.Diagnostics.Debug.Assert(uv.Id == uvId);

                        arch.WriteDepthClassName("CUseVertex");

                        line = string.Format("{0}", uvId);
                        arch.WriteLine(line);

                        line = string.Format("{0}", uv.VId);
                        arch.WriteLine(line);

                        line = string.Format("{0}", uv.HEId);
                        arch.WriteLine(line);
                    }
                }
                // HalfEdgeの出力
                {
                    IList <uint> ids = BRep.HalfEdgeArray.GetObjectIds();
                    foreach (uint hEId in ids)
                    {
                        System.Diagnostics.Debug.Assert(BRep.IsHalfEdgeId(hEId));
                        HalfEdge he = BRep.GetHalfEdge(hEId);
                        System.Diagnostics.Debug.Assert(he.Id == hEId);

                        arch.WriteDepthClassName("CHalfEdge");

                        line = string.Format("{0}", hEId);
                        arch.WriteLine(line);

                        line = string.Format("{0}", he.EId);
                        arch.WriteLine(line);

                        line = string.Format("{0}", (he.IsSameDir ? 1 : 0));
                        arch.WriteLine(line);

                        line = string.Format("{0}", he.UVId);
                        arch.WriteLine(line);

                        line = string.Format("{0} {1} {2}", he.FHEId, he.BHEId, he.OHEId);
                        arch.WriteLine(line);

                        line = string.Format("{0}", he.ULId);
                        arch.WriteLine(line);
                    }
                }
                // UseLoopの出力
                {
                    IList <uint> ids = BRep.UseLoopArray.GetObjectIds();
                    foreach (uint uLId in ids)
                    {
                        System.Diagnostics.Debug.Assert(BRep.IsUseLoopId(uLId));
                        UseLoop ul = BRep.GetUseLoop(uLId);
                        System.Diagnostics.Debug.Assert(ul.Id == uLId);

                        arch.WriteDepthClassName("CUseLoop");

                        line = string.Format("{0}", uLId);
                        arch.WriteLine(line);

                        line = string.Format("{0}", ul.LId);
                        arch.WriteLine(line);

                        line = string.Format("{0}", ul.HEId);
                        arch.WriteLine(line);

                        line = string.Format("{0}", ul.ChildULId);
                        arch.WriteLine(line);

                        line = string.Format("{0}", ul.ParentULId);
                        arch.WriteLine(line);
                    }
                }
                arch.ShiftDepth(false);
            }
            return(true);
        }