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Help with MT84 Plateau

A

ahuimanu

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139
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us-texas
Hello,

I asked this at the AVSIM forum and haven't received a reply. I know this is an old question and the answers I've found seem conflicting (use flattens vs. use AFCAD fixes).

Anyhow, please look at this picture of MT84 (near Kalispell, Montana, USA) and let me know what I can do to fix this? I am using FSGenesis 38m Mesh.

mt84_s.png


Thank you,

J-
 
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Hi,

I would be very tempted to use a flatten here, but the AFCAD will need tweaking as well, otherwise you could end up with floating RW syndrome. :(

I know that isn't the answer you were probably looking for, but you really need to do both.

Flatten to lower the ground (it is easier than trying to edit the mesh IMHO), and tweak the AFCAD to the same altitude to sit the RW on the ground. Two steps that are quite easy to accomplish (thankfully). :) I would use Lee Swordy's AFCAD2 editor (available from AVSIM Library). The latest version that I know of is V2.21.

Best regards,
Robin.
 
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Hello Robin,

Thanks. A kind soul answered me over in my AVSIM thread:

AVSIM Thread

You will see that both the flatten and the AFCAD change do not entirely fix the issue - the aircraft still lingers on at 4000' MSL, which is about 800 to 900 feet higher what is accurate for MT84.

Any thoughts?

Thanks,

J-
 
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Hi,

Do you mean that the AI aircraft still fly at the old altitude? We also had problems like that in our project, there were two ways to solve that:

  1. Put an AFCAD file with the correct altitude in a folder that loaded before the default AFCAD files. This sets the correct altitude for the AI.
  2. Change the default AFCAD file to get the correct altitude.

In the end we went for option 2, as option one resulted in some other trouble (but I can't remember which exactly). But it was some sort of crash of FS I think.
 
Last edited:
arno said:
Hi,

Do you mean that the AI aircraft still fly at the old altitude? We also had problems like that in our project, there were two ways to solve that:

  1. Put an AFCAD file with the correct altitude in a folder that loaded before the default AFCAD files. This sets the correct altitude for the AI.
  2. Change the default AFCAD file to get the correct altitude.

In the end when went for option 2, as option one resulted in some other trouble (but I can't remember which exactly). But it was some sort of crash of FS I think.
Click to expand...

Arno,

It seems that AFCAD2 only allows changes to default information to be saved as an additional BGL file with an AF2_ prefix. So, you must have decompiled the default? If so, can you describe your full process? I ask because MT84, although particularly annoying to me, is not the only airport so afflicted.

Thanks,

Jeff
 
Hi Jeff,

ahuimanu said:
It seems that AFCAD2 only allows changes to default information to be saved as an additional BGL file with an AF2_ prefix. So, you must have decompiled the default?
Click to expand...

If you make changes in AFCAD, they indeed end up in a new BGL file (which can have any name). But it seems the altitude set in this new file, does not overwrite that of the default scenery. So in the end we indeed provided a set of tweaked default BGL files to our users (with backup of the origional, etc).

I did not do the tweaking of the default files myself, but I think it is just decompiling the files and changing the code. Or maybe it was done with a hex editor, not sure.
 
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