Challenge ? Generate N closed Plines from N groups of Points

[braudpat]

Hello

Please I am looking for a "special" routine to generate Profils / Plines from groups of Points

1) Look at the DWG ...

2) You will see 6 Groups of Points coming from a Tunnel ...

3) At the Top Level and Low Level you will see the 6 closed perfect Plines, I need ...

4) The generated Plines must be "perfect" : number of vertex = number of points

-- No double points

-- No self intersecting

5) Maybe for me the routine could be like :

51) Select 1st group of points, then Click on the center of the first group

Select second group, then Click on the center of the second group

etc ...

52) Then draw 1st closed perfect Pline, then second ...

I have drawn "by hand" the 6 perfect Plines ...

I have transformed a copy of the 6 closed Plines to MPOLYGON to check them !

So please if somebody has a MAGIC routine, I will appreciate !

The Health, Bye, Patrice (The Old French EE Froggy)

[3wood]

The results are open polylines. Just 'Select similar' then change 'Closed' to "Yes" in the Properties Manager.