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FS2004 How to know what BGLs are loaded..... (SOLVED)

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261
Country
ireland
Hi.

I fly around Dublin EIDW a lot in my Cessna 172, without any hassle, no lock-ups, no BSODs. Normally I just simply land on Rwy 28, but I have landed on Rwy 10 a few times, without any trouble. I have also landed at and taken off from Weston EIWT and some other smallish airports around Ireland without any problems.

A few days ago I decided to do a scenic tour of the Dublin area. I came in from the Irish Sea intending to use the various local NDBs and VORs to guide me.

To my surprise, the sim froze. The sound continued but there was no mouse or keyboard reaction. I had to use CTRL-ALT-DEL to get out of it, nothing else worked.

I tried twice more and it failed in the exact same spot, 7.3 nm on the 283° from BAL VOR.

Frustrated, I then went to the BAL VOR from Dublin Airport and went out from the VOR on the 283° radial. No problem - I passed the 7.3nm mark without any freeze. I carried on out a bit, at 12nm I did a turn and came back in on the same radial towards the VOR. It froze again at 7.3nm distance!

Obviously (?) a scenery problem. The question is how to go about fixing it. I would like to know exactly what scenery is loaded when I am at 7.3nm from BAL on the 283° radial. I have a pile of scenery and mesh add-ons and I would hate to have to start a process of elimination if there is an easier way to locate the culprit.

Also why does it work properly going east from BAL and not when heading westwards to it?

I saw a topic in one of the forums telling how to see all the bits and pieces (including BGLs, if I remember correctly) called into play when a program is running - unfortunately I have no idea where to find it or the search criteria to help locate the topic. I don't even know what forum!

Can anyone help me out?

(Looking back at the above, I am sure there was an easier way of explaining the problem!)

Thanks

Walter
 
Hi Walter.

The best way to identify the scenery problem is to use the Scenery Library, and deactivate all your scenery addons. Then add them back one by one until you find the scenery folder that contains the problem. If there are multiple BGLs in the folder, move them to a safe folder for storage, then add them in one by one until you find the bad BGL.

Instead of one by one, you could eliminate the folders and files by removing half at a time to locate the problem... it's a bit quicker. The whole process can waste an entire day, but sometimes you get lucky and find it quickly. The most usual suspect is a bad "afcad" BGL.

There is no way of knowing which file is being loaded or accessed by the sim that I know of.

Dick
 
To add to Dick's sage advice, the first thing to check is AI. If you are using any AI try the flight with all AI turned off.

As for the process of elimination, do it in halves instead of one at a time.

By using the half method you eliminate 75% of your addons in 2 restarts as opposed to 2.

cheers,
Lane
 
Thank you both for the advice.

I must admit it is not quite the (easy) answer I was hoping for :(.

Now I am off to do some un-allocating and re-allocating of scenery....

See you in two months or so... :)

Thanks

Walter
 
Well now...

that all happened a lot quicker than I had expected! :)

Stopping AI didn't solve the problem.

437 entries in the Scenery Library.

Used the elimination method detailed above.

And the baddie - number 260.

A scenery for Dublin that has been in the sim more or less for ever (since 2006 anyway!)

I must never have passed over that particular troublesome spot before!

The scenic tour is back on for tomorrow evening. There are two empty seats in the back of the Cessna, and Dick and Lane are both welcome to come along and see Dublin at its best (unless of course I find another scenery problem!).

Thanks for the help...

Walter
 
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