Hello
This method allows only to create a new AB.
If you need to "alter" an existing airport (change place, elevation,...), first you must "clean" the existing place:
- create an Exclude_All_Airport_Boundaries polygon to get rid of the geometry of existing airport (flatten, ...); just needs this polygon touches the existing AB.
- create a dummy bgl to get rid of default FS airport data (get the xml file for the airport with SDE, edit =ask for details if interested=, compile with bglcomp, then install in FSX\Scenery\World\Scenery to be read first).
Then, you can work on clean new place created by AB..., ready to create a new "afcad" file with a tool such as ADE, FSXPlanner, AFX, ...), add scenery, ...
Pierrot - FMEP