public void createPolyline(Point3dCollection pts)
{
LineSegment3d segmentLine = null;
CircularArc3d segmentArc = null;
int segmentCounter;
Point3d linePt0 = new Point3d();
Point3d linePt1 = new Point3d();
double anglePt0 = -1;
double anglePt1 = -1;
bool pt0IsaLine = false;
bool pt0IsanArc = false;
CoordinateSystem3d cs = Application.DocumentManager.MdiActiveDocument.Editor.CurrentUserCoordinateSystem.CoordinateSystem3d;
Plane plan = new Plane(Point3d.Origin, cs.Zaxis);
double param = new double();
//loop through point and get segment type. Create new lines
foreach (Point3d pt in pts)
{
//oint3d closest = _runningLine.GetClosestPointTo(pt, false);
for (segmentCounter = 0; segmentCounter < _runningLine.NumberOfVertices; segmentCounter++)
{
//try
//{
if (_runningLine.OnSegmentAt(segmentCounter, pt.Convert2d(plan), param))
{
if (_runningLine.GetSegmentType(segmentCounter) == SegmentType.Arc)
{
segmentArc = _runningLine.GetArcSegmentAt(segmentCounter);
if (pts.IndexOf(pt) == 0)
{
anglePt0 = segmentArc.Center.GetVectorTo(pt).AngleOnPlane(plan);
pt0IsanArc = true;
break;
}
if (pt0IsaLine)
{
if ((segmentLine.GetDistanceTo(pt) / segmentLine.Length) < .5)
{
linePt1 = new Point3d(segmentLine.EndPoint.X, segmentLine.EndPoint.Y, segmentLine.EndPoint.Z);
}
else
{
linePt1 = new Point3d(segmentLine.StartPoint.X, segmentLine.StartPoint.Y, segmentLine.StartPoint.Z);
}
anglePt0 = segmentArc.Center.GetVectorTo(linePt1).AngleOnPlane(plan);
}
anglePt1 = segmentArc.Center.GetVectorTo(pt).AngleOnPlane(plan);
break;
}
else //if not an arc is a line
{
segmentLine = _runningLine.GetLineSegmentAt(segmentCounter);
if (pts.IndexOf(pt) == 0)
{
linePt0 = new Point3d(pt.X, pt.Y, pt.Z);
pt0IsaLine = true;
break;
}
linePt1 = new Point3d(pt.X, pt.Y, pt.Z);
if (pt0IsanArc)
{
if (pt.GetVectorTo(segmentLine.StartPoint).Length > pt.GetVectorTo(segmentLine.EndPoint).Length)
{
linePt0 = new Point3d(segmentLine.EndPoint.X, segmentLine.EndPoint.Y, segmentLine.EndPoint.Z);
}
else
{
linePt0 = new Point3d(segmentLine.StartPoint.X, segmentLine.StartPoint.Y, segmentLine.StartPoint.Z);
}
anglePt1 = segmentArc.Center.GetVectorTo(linePt0).AngleOnPlane(plan);
}
linePt1 = new Point3d(pt.X, pt.Y, pt.Z);
break;
}
}
}
}
Transaction tr = acCurDb.TransactionManager.StartTransaction();
using (tr)
{
Arc dbArc = null;
Line dbLine = null;
// Open the Block table record for read
BlockTable acBlkTbl;
acBlkTbl = tr.GetObject(acCurDb.BlockTableId,
OpenMode.ForRead) as BlockTable;
// Open the Block table record Model space for write
BlockTableRecord acBlkTblRec;
acBlkTblRec = tr.GetObject(acBlkTbl[BlockTableRecord.ModelSpace],
OpenMode.ForWrite) as BlockTableRecord;
if (anglePt0 >= 0)
{
if (anglePt0 > anglePt1)
{
dbArc = new Arc(segmentArc.Center, segmentArc.Radius, anglePt1, anglePt0);
}
else
{
dbArc = new Arc(segmentArc.Center, segmentArc.Radius, anglePt0, anglePt1);
}
}
if (linePt0 != null)
{
dbLine = new Line(linePt0, linePt1);
}
if (dbArc != null && dbLine != null)
{
Polyline pl1 = new Polyline();
pl1.AddVertexAt(0, segmentLine.StartPoint.Convert2d(plan), 0, 0, 0);
pl1.AddVertexAt(1, segmentLine.EndPoint.Convert2d(plan), 0, 0, 0);
//pl1.AddVertexAt(2, segmentArc.EndPoint.Convert2d(plan), segmentArc.);
}
if (dbArc != null)
{
acBlkTblRec.AppendEntity(dbArc);
tr.AddNewlyCreatedDBObject(dbArc, true);
}
if (dbLine != null)
{
acBlkTblRec.AppendEntity(dbLine);
tr.AddNewlyCreatedDBObject(dbLine, true);
}
tr.Commit();
}
}
