I am at my wits end for diagnosing this anomaly. So I have a question:
Is there an enhancement addon released in the last few years that may affect the display/effect of the ABxxxxxx.bgl files (Airport Background) to the extent that the polygons no longer display AND autogen scenery is now all over the aprons and runways? I've been coping with the issue for a while (creating new polygons and exclude files with SBuilder as I encouter them) however, recently I experimented an bounced around the entire globe to various default airports and can see that it is a global problem. I've searched the default scenery folders to confirm that all the AB files are present for the affected airports and through SBuilder can confirm that all the polygons are layered at "7" (for airport background/autogen exclude).
Furthermore, I have scanned the terrain.cfg files and all Airport background textures are flagged "autogen exclude =1" which according to documentation is correct.
I'm sure I installed something (which may make it impossible to track down) that has configured FS scenery to somehow "hide" this airport background polygons (thus creating autogen trees and buildings on top) but, I'm hoping for some suggestions as to hunting down the issue..... What can cause this?
Just recently I have disabled the world texture folder (so autogen is gone), I've disabled various addon scenery folders but before I go through all 1400+ entries, I was hoping someone may have experienced and fixed or my have an inkling as to what type of file/addon/freeware/payware that may be able to essentially disable all the AP background polygons from rendering without deleting or editing the original BGLs. I'm assuming an exclude of some kind but, for all of them?
A search on google has turned up only a couple instances reported by others but nothing resolved nor does it seem very likely it is a common issue (only response indicated a landclass file but, worldwide?)
If someone out there has experienced this and/or can recall what addon caused this please post. Any other suggestions are very welcome. Thanks