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C3D-0480 · Join V-DWY into one polyline 260904 [C3D-0482] done

Polyline.JoinEntity merge remaining V-DWY polylines into one, arcs preserved. V-DWY only.

C# payload

var ms=(BlockTableRecord)Tx.GetObject(SymbolUtilityServices.GetBlockModelSpaceId(Db),OpenMode.ForWrite);
var pls=new System.Collections.Generic.List<ObjectId>();
foreach(ObjectId eid in ms){ var pl=Tx.GetObject(eid,OpenMode.ForRead) as Polyline; if(pl!=null&&pl.Layer=="V-DWY") pls.Add(eid); }
if(pls.Count<2){ Log("V-DWY already "+pls.Count+" poly"); return; }
var master=(Polyline)Tx.GetObject(pls[0],OpenMode.ForWrite);
int joined=0;
for(int i=1;i<pls.Count;i++){ var e=(Autodesk.AutoCAD.DatabaseServices.Entity)Tx.GetObject(pls[i],OpenMode.ForWrite); try{ master.JoinEntity(e); if(!e.IsErased) e.Erase(); joined++; }catch(System.Exception ex){ Log("join fail: "+ex.Message); } }
Log("V-DWY joined "+joined+" -> v="+master.NumberOfVertices+" closed="+master.Closed+" len="+master.Length.ToString("F1")+" h="+master.Handle);
Ed.Regen();

Result

V-DWY joined 2 -> v=18 closed=True len=334.2 h=2106C