protected override void OnClick()
        {
            FileType ft = FileType.COGOToolbarTraverse; //start out assuming it is a cogo traverse file

            m_count = 1;
            ICadastralEditor            pCadEd         = (ICadastralEditor)ArcMap.Application.FindExtensionByName("esriCadastralUI.CadastralEditorExtension");
            ICadastralFabric            pCadFabric     = pCadEd.CadastralFabric;
            ICadastralExtensionManager2 pCadExtMan     = (ICadastralExtensionManager2)pCadEd;
            IParcelEditManager          pParcEditorMan = (IParcelEditManager)pCadEd;
            IParcelConstruction         pTrav          = pParcEditorMan.ParcelConstruction;

            if (!(pParcEditorMan.InTraverseEditMode) && !(pParcEditorMan.InConstructionEditMode))
            {//if this is not a construction or a new parcel, then get out.
                MessageBox.Show("Please create a new parcel or new construction first, and then try again.");
                return;
            }

            //Make sure the lines grid is selected
            Utilities UTILS = new Utilities();

            UTILS.SelectCadastralPropertyPage((ICadastralExtensionManager)pCadExtMan, "lines");

            IParcelConstruction3 pTrav3  = (IParcelConstruction3)pTrav;
            IGSParcel            pParcel = null;

            try
            {
                pParcel = pTrav.Parcel;
            }
            catch (COMException error)
            {
                MessageBox.Show(error.Message.ToString());
                return;
            }
            //go get a traverse file
            // Display .Net dialog for File selection.
            OpenFileDialog openFileDialog = new OpenFileDialog();

            // Set File Filter
            openFileDialog.Filter = "Traverse file (*.txt)|*.txt|Comma-delimited(*.csv)|*.csv|All Files|*.*";
            // Disable multi-select
            openFileDialog.Multiselect = false;
            // Don't need to Show Help
            openFileDialog.ShowHelp = false;
            // Set Dialog Title
            openFileDialog.Title       = "Load file";
            openFileDialog.FilterIndex = 2;
            // Display Open File Dialog
            if (openFileDialog.ShowDialog() != DialogResult.OK)
            {
                openFileDialog = null;
                return;
            }

            TextReader tr = null;

            try
            {
                tr = new StreamReader(openFileDialog.FileName);
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
                return;
            }

            string sCourse = "";
            int    iCount  = 0;

            string[] sFileLine = new string[0]; //define as dynamic array
            //initialize direction units and format
            esriDirectionType  enumDirectionType  = esriDirectionType.esriDTQuadrantBearing;
            esriDirectionUnits enumDirectionUnits = esriDirectionUnits.esriDUDegreesMinutesSeconds;

            //initialize start and end points
            IPoint StartPoint     = new PointClass();
            IPoint EndPoint       = new PointClass();
            bool   IsLoopTraverse = false;

            //fill the array with the lines from the file
            while (sCourse != null)
            {
                sCourse = tr.ReadLine();
                try
                {
                    if (sCourse.Trim().Length >= 1) //test for empty lines
                    {
                        RedimPreserveString(ref sFileLine, 1);
                        sFileLine[iCount] = sCourse;
                    }
                    iCount++;
                    sCourse = sCourse.ToLower();
                    if (sCourse.Contains("dt"))
                    {
                        if (sCourse.Contains("qb"))
                        {
                            enumDirectionType = esriDirectionType.esriDTQuadrantBearing;
                        }
                        else if (sCourse.Contains("na"))
                        {
                            enumDirectionType = esriDirectionType.esriDTNorthAzimuth;
                        }
                        else if (sCourse.Contains("sa"))
                        {
                            enumDirectionType = esriDirectionType.esriDTSouthAzimuth;
                        }
                        else if (sCourse.Contains("p"))
                        {
                            enumDirectionType = esriDirectionType.esriDTPolar;
                        }
                    }
                    if (sCourse.Contains("du"))
                    {
                        if (sCourse.Contains("dms"))
                        {
                            enumDirectionUnits = esriDirectionUnits.esriDUDegreesMinutesSeconds;
                        }
                        else if (sCourse.Contains("dd"))
                        {
                            enumDirectionUnits = esriDirectionUnits.esriDUDecimalDegrees;
                        }
                        else if (sCourse.Contains("g"))
                        {
                            enumDirectionUnits = esriDirectionUnits.esriDUGons;
                        }
                        else if (sCourse.Contains("r"))
                        {
                            enumDirectionUnits = esriDirectionUnits.esriDURadians;
                        }
                    }
                    if (sCourse.Contains("sp"))
                    {//start point
                        string[] XY = sCourse.Split(' ');
                        double   x  = Convert.ToDouble(XY[1]);
                        double   y  = Convert.ToDouble(XY[2]);
                        StartPoint.PutCoords(x, y);
                    }

                    if (sCourse.Contains("ep"))
                    {//end point
                        string[] XY = sCourse.Split(' ');
                        double   x  = Convert.ToDouble(XY[1]);
                        double   y  = Convert.ToDouble(XY[2]);
                        EndPoint.PutCoords(x, y);
                    }

                    if (sCourse.Contains("tometricfactor"))
                    {//this handles the comma-separated file case
                        string[] sScaleFactor = sCourse.Split(',');
                        m_dScaleFactor = Convert.ToDouble(sScaleFactor[1]);
                    }
                }
                catch { }
            }
            tr.Close(); //close the file and release resources
            string sFileExt = System.IO.Path.GetExtension(openFileDialog.FileName.TrimEnd());

            if ((sFileExt.ToLower() == ".csv") && (sFileLine[0].Contains(",")))
            {//if it's a comma-delimited file
                ft = FileType.CommaDelimited;
            }

            //Test for loop traverse
            if (!(EndPoint.IsEmpty))
            {
                if (EndPoint.Compare(StartPoint) == 0)
                {
                    IsLoopTraverse = true;
                }
                else
                {
                    IsLoopTraverse = false;
                }
            }

            //get highest point id number in grid, and get the to point id on the last line.
            IGSLine pParcelLine     = null;
            int     iFirstToNode    = -1;
            int     iLastToNode     = -1;
            int     iHighestPointID = -1;

            for (int i = 0; i < pTrav.LineCount; i++)
            {
                if (pTrav.GetLine(i, ref pParcelLine))
                {
                    if (iFirstToNode < 0)
                    {
                        iFirstToNode = pParcelLine.ToPoint;
                    }
                    iLastToNode     = pParcelLine.ToPoint;
                    iHighestPointID = iHighestPointID < pParcelLine.ToPoint ? pParcelLine.ToPoint : iHighestPointID;
                    iHighestPointID = iHighestPointID < pParcelLine.FromPoint ? pParcelLine.FromPoint : iHighestPointID;
                }
            }

            ICadastralUndoRedo pCadUndoRedo = pTrav as ICadastralUndoRedo;

            pCadUndoRedo.StartUndoRedoSession("Load Lines From File");
            try
            {
                IGSLine  pLine        = null;
                int      iLinecount   = iCount - 1;
                ISegment pExitTangent = null;
                for (iCount = 0; iCount <= iLinecount; iCount++)
                {
                    if (ft == FileType.COGOToolbarTraverse)
                    {
                        {
                            pLine = null;

                            ICircularArc pCircArc;//need to use this in the test to handle curves greater than 180
                            pLine = CreateGSLine(sFileLine[iCount], enumDirectionUnits, enumDirectionType,
                                                 pExitTangent, out pExitTangent, out pCircArc);
                            //exit tangent from the previous course is the new entry tangent for the next course

                            if (pLine != null)
                            {
                                if (pCircArc == null)
                                {// straight line
                                    //if this is the last course then set the to point to 1
                                    if ((iCount == iLinecount) && IsLoopTraverse)
                                    {
                                        pLine.ToPoint = 1;
                                    }
                                    pTrav.InsertGridRow(-1, pLine);
                                }
                                else
                                {                                                               //some post-processing needed to figure out if a 180 curve needs to be split
                                    if (Math.Abs(pCircArc.CentralAngle) < (Math.PI - 0.000001)) //some tolerance for being close to 180
                                    {                                                           //this curve is OK
                                      //if this is the last course then set the to point to 1
                                        if ((iCount == iLinecount) && IsLoopTraverse)
                                        {
                                            pLine.ToPoint = 1;
                                        }
                                        pTrav.InsertGridRow(-1, pLine);
                                    }
                                    else
                                    {//curve is greater than or equal to 180, special treatment for GSE needed to split curve into 2 parts
                                        //first decrement the count
                                        m_count -= 1;
                                        ISegment pFullSegment = (ISegment)pCircArc; ISegment pFirstHalf; ISegment pSecondHalf;
                                        pFullSegment.SplitAtDistance(0.5, true, out pFirstHalf, out pSecondHalf);
                                        IConstructCircularArc2 pCircArcConstr1 = new CircularArcClass();
                                        ICircularArc           pCircArc1       = (ICircularArc)pCircArcConstr1;
                                        pCircArcConstr1.ConstructEndPointsRadius(pFirstHalf.FromPoint,
                                                                                 pFirstHalf.ToPoint, pCircArc.IsCounterClockwise, pCircArc.Radius, true);
                                        ILine2 pTangentLine = new LineClass();
                                        pCircArc1.QueryTangent(esriSegmentExtension.esriExtendTangentAtTo, 0, false, 100, pTangentLine);
                                        string sTangentBearing = PolarRadians_2_DirectionString(pTangentLine.Angle,
                                                                                                enumDirectionType, enumDirectionUnits);
                                        sTangentBearing = sTangentBearing.Replace(" ", "");
                                        string sHalfDelta = Radians_2_Angle(Math.Abs(pCircArc1.CentralAngle), enumDirectionUnits);
                                        string sSide      = pCircArc.IsCounterClockwise ? " L " : " R ";

                                        ISegment EntryTangent = (ISegment)pTangentLine;

                                        //construct the string for the first piece
                                        // looks similar to this: NC R 500 D 181-59-59 T N59-59-59W L
                                        string sFirstCurve = "NC R " + Convert.ToString(pCircArc.Radius)
                                                             + " D " + sHalfDelta + " T " + sTangentBearing + sSide;

                                        IGSLine pLineFirstCurve = CreateGSLine(sFirstCurve, enumDirectionUnits, enumDirectionType, pExitTangent,
                                                                               out pExitTangent, out pCircArc);
                                        pTrav.InsertGridRow(-1, pLineFirstCurve);

                                        ICircularArc pCircArc2 = (ICircularArc)pCircArcConstr1;
                                        pCircArcConstr1.ConstructEndPointsRadius(pSecondHalf.FromPoint,
                                                                                 pSecondHalf.ToPoint, pCircArc.IsCounterClockwise, pCircArc.Radius, true);
                                        pCircArc2.QueryTangent(esriSegmentExtension.esriExtendTangentAtTo, 0, false, 100, pTangentLine);
                                        sTangentBearing = PolarRadians_2_DirectionString(pTangentLine.Angle, enumDirectionType, enumDirectionUnits);
                                        sTangentBearing = sTangentBearing.Replace(" ", "");
                                        //construct the string for the second piece
                                        // looks similar to this: NC R 500 D 181-59-59 T N59-59-59W L
                                        string sSecondCurve = "NC R " + Convert.ToString(pCircArc.Radius)
                                                              + " D " + sHalfDelta + " T " + sTangentBearing + sSide;

                                        IGSLine pLineSecondCurve = CreateGSLine(sSecondCurve, enumDirectionUnits, enumDirectionType, pExitTangent,
                                                                                out pExitTangent, out pCircArc);
                                        //if this is the last course then set the to point to 1
                                        if ((iCount == iLinecount) && IsLoopTraverse)
                                        {
                                            pLine.ToPoint = 1;
                                        }
                                        pTrav.InsertGridRow(-1, pLineSecondCurve);
                                    }
                                }
                            }
                        }
                    }
                    else//this is comma-separated version of the grid, so do the following
                    {
                        pLine = null;
                        //apply a point id number offset if there are existing lines in the grid.
                        if (iHighestPointID > -1 && iCount >= 3)
                        {
                            string[] sTraverseCourse = sFileLine[iCount].Split(',');
                            if (iCount == 3)
                            {
                                sTraverseCourse[0] = iLastToNode.ToString();
                                sTraverseCourse[5] = (Convert.ToInt32(sTraverseCourse[5]) + iHighestPointID).ToString();
                            }
                            else if (iCount > 3)
                            {
                                sTraverseCourse[0] = (Convert.ToInt32(sTraverseCourse[0]) + iHighestPointID).ToString();
                                sTraverseCourse[5] = (Convert.ToInt32(sTraverseCourse[5]) + iHighestPointID).ToString();
                            }

                            sFileLine[iCount] = sTraverseCourse[0];
                            int iAttCount = sTraverseCourse.GetLength(0);
                            for (int j = 1; j < iAttCount; j++)
                            {
                                sFileLine[iCount] += "," + sTraverseCourse[j];
                            }
                        }

                        pLine = CreateGSLineFromCommaSeparatedString(sFileLine[iCount], enumDirectionUnits, enumDirectionType);

                        if (pLine != null)
                        {
                            pTrav.InsertGridRow(-1, pLine);
                        }
                    }
                }
                pTrav3.UpdateGridFromGSLines(false);
                IParcelConstruction2 pConstr2 = (IParcelConstruction2)pTrav3; //hidden interface
                pConstr2.RecalculatePoints();                                 //explicit recalculate needed on a construction
                pParcel.Modified();
                pParcEditorMan.Refresh();
                pCadUndoRedo.WriteUndoRedoSession(true);
                sFileLine      = null;
                openFileDialog = null;
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message, "Load Lines From File");
                pCadUndoRedo.WriteUndoRedoSession(false);
            }
        }
Пример #2
0
        protected override void OnClick()
        {
            ICadastralEditor   pCadEd         = (ICadastralEditor)ArcMap.Application.FindExtensionByName("esriCadastralUI.CadastralEditorExtension");
            IParcelEditManager pParcEditorMan = (IParcelEditManager)pCadEd;

            ICadastralPacketManager pCadPacketMan = (ICadastralPacketManager)pCadEd;

            //bool bStartedWithPacketOpen = pCadPacketMan.PacketOpen;

            if (pParcEditorMan == null)
            {
                return;
            }

            IEditor pEd = (IEditor)ArcMap.Application.FindExtensionByName("esri object editor");

            if (pEd.EditState == esriEditState.esriStateNotEditing)
            {
                MessageBox.Show("Please start editing and try again.");
                return;
            }

            IParcelConstruction       pConstr                   = pParcEditorMan.ParcelConstruction;
            IParcelConstruction4      pConstr4                  = pConstr as IParcelConstruction4;
            ICadastralPoints          pCadastralPts             = pConstr4 as ICadastralPoints;
            ICadastralEditorSettings2 pCadastralEditorSettings2 = pCadEd as ICadastralEditorSettings2;

            ICadastralFixedPoints pFixedPoints = pCadastralPts as ICadastralFixedPoints;
            IPointCalculation     pPointCalc   = new PointCalculationClass();

            if (pConstr == null)
            {
                return;
            }

            IGSLine pParcelLine = null;
            IMetricUnitConverter pMetricUnitConv = (IMetricUnitConverter)pCadEd;
            IGSPoint             pStartPoint     = null;
            List <int>           lstPointIds     = new List <int>();

            List <IVector3D> Traverse = new List <IVector3D>();

            //get rotation here
            IParcelConstructionData    pConstrData = pConstr4.ConstructionData;
            IConstructionParentParcels pConstructionParentParcels = pConstrData as IConstructionParentParcels;

            ICadastralUndoRedo pCadUndoRedo = pConstr as ICadastralUndoRedo;

            try
            {
                int iParcelID = -1;
                if (pConstructionParentParcels.ParentParcelCount > 0)
                {
                    pConstructionParentParcels.GetParentParcel(0, ref iParcelID);
                }

                ICadastralParcel pCadaParcel = pCadPacketMan.JobPacket as ICadastralParcel;

                IGSParcel pGSParcel = null;

                if (pCadaParcel != null)
                {
                    pGSParcel = pCadaParcel.GetParcel(iParcelID);
                }
                //if in measurement view then rotation is 0
                double TheRotation = 0;

                if (pGSParcel == null)
                {
                    pGSParcel = pConstr.Parcel;
                }

                if (!pCadastralEditorSettings2.MeasurementView)
                {
                    TheRotation = pGSParcel.Rotation;//radians
                }
                if (TheRotation == 123456789)
                {
                    TheRotation = 0;
                }

                pPointCalc.Rotation = TheRotation;
                IGSPoint pClosingPoint = null;

                #region simple method as fall-back
                bool bUseSimpleStackSelection = false;
                if (bUseSimpleStackSelection)
                {
                    //bool bLineSelectionSequence = false;
                    //IGSLine pLastSelectedGSLineInGrid = null;
                    //for (int i = 0; i < pConstr.LineCount; i++)
                    //{
                    //  if (pConstr.GetLineSelection(i))
                    //  {
                    //    if (pConstr.GetLine(i, ref pParcelLine))
                    //    {
                    //      if (!bLineSelectionSequence) //first line
                    //      {
                    //        pStartPoint = pCadastralPts.GetPoint(pParcelLine.FromPoint);
                    //        pToPoint = pCadastralPts.GetPoint(pParcelLine.ToPoint);
                    //      }

                    //      pPointCalc.AddLine(pParcelLine);

                    //      pLastSelectedGSLineInGrid = pParcelLine;
                    //      pToPoint = pCadastralPts.GetPoint(pParcelLine.ToPoint);
                    //      lstPointIds.Add(pToPoint.Id);

                    //    }
                    //    bLineSelectionSequence = true;

                    //    double dBear = pParcelLine.Bearing; //Azimuth of IVector3D is north azimuth radians zero degrees north
                    //    double dDist = pParcelLine.Distance;
                    //    IVector3D vec = new Vector3DClass();
                    //    vec.PolarSet(dBear, 0, dDist); ////Azimuth of IVector3D is north azimuth radians zero degrees north
                    //    Traverse.Add(vec);
                    //  }
                    //  else
                    //  {
                    //    if (bLineSelectionSequence && pConstr.GetLine(i, ref pParcelLine) && HasLineSelectionAfter(pConstr, i))
                    //    //if there was a prior selection and this line is a complete line, and there is no later selection
                    //    {
                    //      MessageBox.Show("Please select a continuous set of lines for closure.");
                    //      return;
                    //    }
                    //  }
                    //}
                    //pClosingPoint = pCadastralPts.GetPoint(pLastSelectedGSLineInGrid.ToPoint);
                }
                else
                #endregion

                {//build a forward star for the selected lines
                    IEnumCELines pCELines     = new EnumCELinesClass();
                    IEnumGSLines pEnumGSLines = (IEnumGSLines)pCELines;
                    ILongArray   pLongArray   = new LongArrayClass();
                    int          iFirstToNode = -1;
                    for (int i = 0; i < pConstr.LineCount; i++)
                    {
                        if (pConstr.GetLineSelection(i))
                        {
                            if (pConstr.GetLine(i, ref pParcelLine))
                            {
                                if (iFirstToNode < 0)
                                {
                                    iFirstToNode = pParcelLine.ToPoint;
                                }
                                pLongArray.Add(i);
                                pCELines.Add(pParcelLine);
                            }
                        }
                    }

                    if (pCELines.Count == 0)
                    {
                        MessageBox.Show("No lines selected. Please select a continuous set of lines for closure." + Environment.NewLine +
                                        "Line selection should not have branches.", "Traverse");
                        return;
                    }

                    IParcelLineFunctions3 ParcelLineFx = new ParcelFunctionsClass();
                    IGSForwardStar        pFwdStar     = ParcelLineFx.CreateForwardStar(pEnumGSLines);
                    //forward star object is now created for all the selected lines,
                    //need to first re-sequence the lines, and test for branching and discontinuity

                    int           iBranches = 0; int iTracedLines = 0;
                    int           iLoops = 0; int iTerminals = 0;
                    List <int>    LineIDList = new List <int>();
                    List <int>    FromList   = new List <int>();
                    List <int>    ToList     = new List <int>();
                    List <string> FromToLine = new List <string>();

                    bool bTraceSucceeded = TraceLines(ref pFwdStar, iFirstToNode, ref iBranches, ref iTracedLines,
                                                      ref iLoops, ref iTerminals, ref FromToLine, ref FromList, ref ToList, 0);

                    if (iBranches > 0)
                    {
                        MessageBox.Show("Please select a continuous set of lines for closure." + Environment.NewLine +
                                        "Line selection should not have branches.", "Traverse");
                        return;
                    }

                    if (iTracedLines < pLongArray.Count)
                    {
                        MessageBox.Show("Please select a continuous set of lines for closure." + Environment.NewLine +
                                        "Selected Lines should be connected in a single sequence without branches.", "Traverse");
                        return;
                    }

                    //if it's a single loop check to see if the sequence needs to be reversed
                    //CW or CCW based on bearings
                    if (iLoops == 1)
                    {
                        bool bIsReversed = false;
                        foreach (int i in FromList)
                        {
                            if (i < 0)
                            {
                                bIsReversed = true;
                            }
                            else
                            {
                                bIsReversed = false;
                                break;
                            }
                        }
                        if (bIsReversed)
                        {//all courses are running reversed, so reverse the whole sequence
                            FromToLine.Clear();
                            FromList.Reverse();
                            ToList.Reverse();
                            int    iNewFrom   = -ToList[ToList.Count - 1];
                            int    iNewTo     = -FromList[ToList.Count - 1];
                            string sNewFromTo = iNewFrom.ToString() + "," + iNewTo.ToString();
                            FromToLine.Add(sNewFromTo);
                            for (int i = 1; i < ToList.Count; i++)
                            {
                                iNewFrom   = -ToList[i - 1];
                                iNewTo     = -FromList[i - 1];
                                sNewFromTo = iNewFrom.ToString() + "," + iNewTo.ToString();
                                FromToLine.Add(sNewFromTo);
                            }
                        }
                    }

                    LineIDList.Clear();
                    FromList.Clear();
                    ToList.Clear();
                    pLongArray.RemoveAll();

                    pCadUndoRedo.StartUndoRedoSession("Adjust Traverse");

                    if (iLoops == 0)
                    {
                        //re-sequence using TraceLines function based on either end point, because the order of
                        //selected construction lines in grid don't control start or end point
                        FromToLine.Clear();
                        int iTerminus = -1;
                        iTracedLines = 0;
                        iBranches    = 0;
                        iLoops       = 0; iTerminals = 0;
                        FindTerminusForSequence(ref pFwdStar, iFirstToNode, ref iTerminus, 0);
                        if (iTerminus == -1)
                        {
                            pCadUndoRedo.WriteUndoRedoSession(false);
                            return;
                        }
                        TraceLines(ref pFwdStar, iTerminus, ref iBranches, ref iTracedLines, ref iLoops, ref iTerminals,
                                   ref FromToLine, ref FromList, ref ToList, 0);
                    }

                    List <IVector3D> SequencedTraverse = new List <IVector3D>();
                    IGSLine          pGSLineInPath     = null;
                    foreach (string s in FromToLine)
                    {
                        string[] sFromTo = s.Split(',');
                        int      iFrom   = Convert.ToInt32(sFromTo[0]);
                        int      iTo     = Convert.ToInt32(sFromTo[1]);

                        bool bReversed = pFwdStar.GetLine(iFrom, iTo, ref pGSLineInPath);
                        if (bReversed)
                        {
                            IGSLine pGSLine180 = new GSLineClass();
                            pGSLine180.FromPoint = pGSLineInPath.ToPoint;
                            pGSLine180.ToPoint   = pGSLineInPath.FromPoint;
                            pGSLine180.Bearing   = pGSLineInPath.Bearing + Math.PI;
                            pGSLine180.Distance  = pGSLineInPath.Distance;

                            IVector3D vec180 = new Vector3DClass();
                            vec180.PolarSet(pGSLine180.Bearing, 0, pGSLine180.Distance); //Azimuth of IVector3D is north azimuth radians zero degrees north
                            Traverse.Add(vec180);
                            lstPointIds.Add(pGSLine180.ToPoint);
                            pPointCalc.AddLine(pGSLine180);
                        }
                        else
                        {
                            double    dBear = pGSLineInPath.Bearing;
                            double    dDist = pGSLineInPath.Distance;
                            IVector3D vec   = new Vector3DClass();
                            vec.PolarSet(dBear, 0, dDist); //Azimuth of IVector3D is north azimuth radians zero degrees north
                            Traverse.Add(vec);
                            lstPointIds.Add(pGSLineInPath.ToPoint);
                            pPointCalc.AddLine(pGSLineInPath);
                        }

                        if (pStartPoint == null)
                        {
                            if (bReversed)
                            {
                                pStartPoint = pCadastralPts.GetPoint(pGSLineInPath.ToPoint);
                            }
                            else
                            {
                                pStartPoint = pCadastralPts.GetPoint(pGSLineInPath.FromPoint);
                            }
                        }

                        if (bReversed)
                        {
                            pClosingPoint = pCadastralPts.GetPoint(pGSLineInPath.FromPoint);
                        }
                        else
                        {
                            pClosingPoint = pCadastralPts.GetPoint(pGSLineInPath.ToPoint);
                        }
                    }
                }

                if (pStartPoint == null)
                {
                    pCadUndoRedo.WriteUndoRedoSession(false);
                    return;
                }
                IPoint pStart = new PointClass();
                pStart.X = pStartPoint.X;
                pStart.Y = pStartPoint.Y;

                string sAdjustMethod = "Compass";
                esriParcelAdjustmentType eAdjMethod = esriParcelAdjustmentType.esriParcelAdjustmentCompass;

                if (pCadastralEditorSettings2.ParcelAdjustment == esriParcelAdjustmentType.esriParcelAdjustmentNone ||
                    pCadastralEditorSettings2.ParcelAdjustment == esriParcelAdjustmentType.esriParcelAdjustmentCompass)
                {
                    eAdjMethod = esriParcelAdjustmentType.esriParcelAdjustmentCompass;
                }
                else if (pCadastralEditorSettings2.ParcelAdjustment == esriParcelAdjustmentType.esriParcelAdjustmentCrandall)
                {
                    sAdjustMethod = "Crandall";
                    eAdjMethod    = pCadastralEditorSettings2.ParcelAdjustment;
                }
                else if (pCadastralEditorSettings2.ParcelAdjustment == esriParcelAdjustmentType.esriParcelAdjustmentTransit)
                {
                    sAdjustMethod = "Transit";
                    eAdjMethod    = pCadastralEditorSettings2.ParcelAdjustment;
                }

                pPointCalc.CalculatePoints(eAdjMethod, pStartPoint.Id, pStartPoint, pClosingPoint.Id, pClosingPoint, true);
                ITraverseClosure pClose = pPointCalc.Closure;
                List <string>    lstCoursesFromTo = new List <string>();
                List <IVector3D> AdjustedTraverse = new List <IVector3D>();
                double           dAdjustedPointX = 0; double dAdjustedPointY = 0;
                double           dPreviousPointX = 0; double dPreviousPointY = 0;

                for (int i = 0; i < pClose.CourseCount; i++)
                {
                    IGSPoint pPt = pCadastralPts.GetPoint(lstPointIds[i]);
                    dAdjustedPointY = pPointCalc.GetCalculatedPoint(lstPointIds[i], ref dAdjustedPointX);
                    string    sFromTo       = "";
                    IVector3D pAdjustedLine = new Vector3DClass();
                    if (i == 0)
                    {
                        sFromTo = pStartPoint.Id.ToString() + "-" + lstPointIds[i].ToString();
                        pAdjustedLine.SetComponents(dAdjustedPointX - pStartPoint.X, dAdjustedPointY - pStartPoint.Y, 0);
                    }
                    else
                    {
                        sFromTo = lstPointIds[i - 1].ToString() + "-" + lstPointIds[i].ToString();
                        pAdjustedLine.SetComponents(dAdjustedPointX - dPreviousPointX, dAdjustedPointY - dPreviousPointY, 0);
                    }
                    lstCoursesFromTo.Add(sFromTo);

                    IVector3D Z_Axis = new Vector3DClass();
                    Z_Axis.SetComponents(0, 0, 100);

                    pAdjustedLine.Rotate(TheRotation, Z_Axis);
                    AdjustedTraverse.Add(pAdjustedLine);

                    dPreviousPointX = dAdjustedPointX;
                    dPreviousPointY = dAdjustedPointY;

                    pPt.X = dAdjustedPointX;
                    pPt.Y = dAdjustedPointY;

                    if (!pCadastralEditorSettings2.MeasurementView)
                    {
                        pFixedPoints.SetFixedPoint(lstPointIds[i], true);
                    }
                }

                double  dMisclosureDistance = pClose.MisclosureDistance; double dMisclosureBearing = pClose.MisclosureDirection;
                IVector MiscloseVector = new Vector3DClass();

                IEditProperties2 pEdProps = pEd as IEditProperties2;

                IAngularConverter pAngConv = new AngularConverterClass();
                pAngConv.SetAngle(dMisclosureBearing, esriDirectionType.esriDTNorthAzimuth, esriDirectionUnits.esriDURadians);
                //int iPrec = 7;
                //if (pConstr.Parcel.Plan.AngleUnits == esriDirectionUnits.esriDUDegreesMinutesSeconds)
                //  iPrec = 0;

                string sMiscloseBearing = pAngConv.GetString(pEdProps.DirectionType, pEdProps.DirectionUnits, pEdProps.AngularUnitPrecision);

                Utilities UTIL   = new Utilities();
                string    sRatio = "High Accuracy";

                if (pClose.RelativeErrorRatio < 10000)
                {
                    sRatio = "1:" + pClose.RelativeErrorRatio.ToString("0");
                }

                if (dMisclosureDistance >= 0.001)
                {
                    sMiscloseBearing = UTIL.FormatDirectionDashesToDegMinSecSymbols(sMiscloseBearing);
                }
                else
                {
                    sMiscloseBearing = "----";
                }

                ICadastralUnitConversion pCadUnitConverter = new CadastralUnitConversionClass();
                double dMetersPerUnit = pCadUnitConverter.ConvertDouble(1, pConstr.Parcel.Plan.DistanceUnits, esriCadastralDistanceUnits.esriCDUMeter);

                string sReport = "Closure:" + Environment.NewLine +
                                 "        error:  " + sRatio + Environment.NewLine +
                                 "        distance:  " + (dMisclosureDistance / dMetersPerUnit).ToString("0.000") + Environment.NewLine +
                                 "        bearing:  " + sMiscloseBearing + Environment.NewLine +
                                 "        xdist:  " + (pClose.MisclosureX / dMetersPerUnit).ToString("0.000") + Environment.NewLine +
                                 "        ydist:  " + (pClose.MisclosureY / dMetersPerUnit).ToString("0.000") + Environment.NewLine +
                                 "        courses: " + (pClose.CourseCount) + Environment.NewLine +
                                 Environment.NewLine + "Adjustment:" + Environment.NewLine +
                                 "        method: " + sAdjustMethod;

                dlgTraverseResults dlgTraverseResults = new dlgTraverseResults();
                AddTraverseInfoToGrid(pConstr.Parcel.Plan, dlgTraverseResults.dataGridView1, Traverse, AdjustedTraverse, lstCoursesFromTo);
                dlgTraverseResults.txtMiscloseReport.Text = sReport;
                DialogResult dRes = dlgTraverseResults.ShowDialog();
                if (dRes == DialogResult.Cancel)
                {
                    //since we cancelled, set the points back
                    foreach (int i in lstPointIds)
                    {
                        pFixedPoints.SetFixedPoint(i, false);
                    }
                    pCadUndoRedo.WriteUndoRedoSession(false);
                }
                else
                {
                    pCadUndoRedo.WriteUndoRedoSession(true);
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message + Environment.NewLine + "Line number:" + ex.LineNumber().ToString()
                                + " in " + ex.TargetSite.Name, "Traverse");
                pCadUndoRedo.WriteUndoRedoSession(false);
            }
        }
        protected override void OnClick()
        {
            ICadastralEditor           pCadEd         = (ICadastralEditor)ArcMap.Application.FindExtensionByName("esriCadastralUI.CadastralEditorExtension");
            IParcelEditManager         pParcEditorMan = (IParcelEditManager)pCadEd;
            ICadastralExtensionManager pCadMan        = pCadEd as ICadastralExtensionManager;
            ICadastralPacketManager    pCadPacketMan  = (ICadastralPacketManager)pCadEd;

            //bool bStartedWithPacketOpen = pCadPacketMan.PacketOpen;

            if (!(pCadMan.ContextItem is IGSLine))
            {
                return;
            }

            IGSLine pGSLine = pCadMan.ContextItem as IGSLine;

            if (pParcEditorMan == null)
            {
                return;
            }

            IEditor pEd = (IEditor)ArcMap.Application.FindExtensionByName("esri object editor");

            if (pEd.EditState == esriEditState.esriStateNotEditing)
            {
                MessageBox.Show("Please start editing and try again.");
                return;
            }

            IParcelConstruction     pConstr   = pParcEditorMan.ParcelConstruction;
            ICadastralLinePoints2Ex pCadLPsEx = pConstr as ICadastralLinePoints2Ex;

            ILongArray pLngArrBefore = pCadLPsEx.LinePoints;
            List <int> lstLPBefore   = new List <int>();

            for (int i = 0; i < pLngArrBefore.Count; i++)
            {
                lstLPBefore.Add(pLngArrBefore.get_Element(i));
            }

            //first get the current set of breakpoints
            Utilities FabUTILS = new Utilities();

            FabUTILS.ExecuteCommand("{9987F18B-8CC4-4548-8C41-7DB51F289BB3}"); //Run COTS Breakline command

            ILongArray pLngArrAfter = pCadLPsEx.LinePoints;
            List <int> lstLPAfter   = new List <int>();

            for (int i = 0; i < pLngArrAfter.Count; i++)
            {
                lstLPAfter.Add(pLngArrAfter.get_Element(i));
            }

            List <int> lstNewBreakPoints = lstLPAfter.Except(lstLPBefore).ToList();

            if (lstNewBreakPoints.Count == 0)
            {
                return;
            }

            IParcelConstruction4 pConstr4      = pConstr as IParcelConstruction4;
            ICadastralPoints     pCadastralPts = pConstr4 as ICadastralPoints;

            IEnumCELines pCELines     = new EnumCELinesClass();
            IEnumGSLines pEnumGSLines = (IEnumGSLines)pCELines;

            pCELines.Add(pGSLine);

            //check if it's a construction line or parent line
            bool         bIsParentLine            = true;
            IEnumGSLines pEnumGSConstructionLines = pConstr4.GetLines(false, false);

            IGSLine   pGSTestLine = null;
            IGSParcel pGSParc     = null;

            pEnumGSConstructionLines.Reset();
            pEnumGSConstructionLines.Next(ref pGSParc, ref pGSTestLine);
            while (pGSTestLine != null)
            {
                if ((pGSLine.FromPoint == pGSTestLine.FromPoint) && (pGSLine.ToPoint == pGSTestLine.ToPoint))
                {
                    bIsParentLine = false;
                    break;
                }
                pEnumGSConstructionLines.Next(ref pGSParc, ref pGSTestLine);
            }

            IParcelLineFunctions3 pParcLineFunctions = new ParcelFunctionsClass();
            IEnumGSLines          pNewLinesEnum      = pParcLineFunctions.BreakLinesAtLinePoints(pEnumGSLines, pCadastralPts, true, false);

            IGSParcel          pGSParcel    = null;
            IGSLine            pGSNewLine   = null;
            ICadastralUndoRedo pCadUndoRedo = pConstr as ICadastralUndoRedo;

            pCadUndoRedo.StartUndoRedoSession("Break-line");

            pNewLinesEnum.Reset();
            pNewLinesEnum.Next(ref pGSParcel, ref pGSNewLine);
            while (pGSNewLine != null)
            {
                pConstr4.InsertGridRow(-1, pGSNewLine, true);
                pNewLinesEnum.Next(ref pGSParcel, ref pGSNewLine);
            }

            ICadastralUnbuildableLines pUnbuildable = pConstr4 as ICadastralUnbuildableLines;

            if (bIsParentLine)
            {
                pUnbuildable.AddLine(pGSLine);
            }
            else
            {
                pConstr4.Planarize(0.001); //delete the original construction line
            }
            pCadUndoRedo.WriteUndoRedoSession(true);
        }