public List <Polyline> Create_Boundaries_Util(double Dis = 100)
{
var Return = new List <Polyline>();
using (DocumentLock DL = AC.Doc.LockDocument())
{
#region 택
var acSSet = Utils.Select.MultiObjs();
var acEnts = Utils.Get.Entity(acSSet, typeof(Polyline));
#endregion
#region 폴리라인 연장시켜 폴리라인 생성
acEnts.Where(x => x is Polyline).ToList().ForEach(acEnt =>
{
var acPoly = acEnt as Polyline;
var acTempLines = new List <Line>(); // 작업 완료 후 지울 보조선
#region 폴리라인 선분 연장선 생성
for (int i = 0; i < acPoly.NumberOfVertices; i++)
{
try
{
var acLine = acPoly.GetLineSegmentAt(i);
var sp = acLine.StartPoint;
var ep = acLine.EndPoint;
var Direction = acLine.Direction;
var SP = sp - Direction * Dis;
var EP = ep + Direction * Dis;
var L = CADUtil.CreateLine(SP, EP);
acTempLines.Add(L);
}
catch { }
}
#endregion
#region 택된 폴리라인의 중앙점
var CP = Utils.PointUtil.GetCenterP(acPoly);
#endregion
#region 밀폐된 공간에서 Boundary 생성
// 선택된 객체 말고 모두 숨긴뒤에 실행해야 오류가 줄어듬
var objColl = AC.Editor.TraceBoundary(CP, true);
var acObjs = from a in objColl.Cast <Entity>().ToList() select a;
if (acObjs.Any())
{
using (Transaction T = AC.DB.TransactionManager.StartTransaction())
{
var BT = T.GetObject(AC.DB.BlockTableId, OpenMode.ForRead) as BlockTable;
var BTR = T.GetObject(BT[BlockTableRecord.ModelSpace], OpenMode.ForWrite) as BlockTableRecord;
acObjs.ToList().ForEach(a =>
{
var Poly = a as Polyline;
BTR.AppendEntity(Poly);
T.AddNewlyCreatedDBObject(Poly, true);
Return.Add(Poly);
});
T.Commit();
}
}
#endregion
#region 연장선 제거
acTempLines.ForEach(a => CADUtil.Erase(a.Id));
#endregion
});
#endregion
}
return(Return);
}
