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Need help with ground

S

SteelWings40

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15
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unitedstates
Okay,
So I started making this airport in ADE 175, and had started on the Flatten poly. The problem is, every time I add the flatten, all I get is ground coming through my runways, and trees all over. What do I do? Is it because the ground in FSX Stock Colorado is too hilly? (Please note that the airport is not finished, I was trying to do an Alpha test and Check)
 

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Last edited:
If it is only the runway that is having this problem, check the runway's elevation (it's separate from the airport's elevation).

If you are still having trouble, try placing the flatten at 6380.9 feet.

Another thing you can try is to change the elevation of the airport using Tools/Change Airport Reference Data, which will put a stub file into the Scenery/World/scenery folder, which helps with some elevation issues. You can change it to something else, then change it back to the original value, I think. To test this theory before doing something irreversible just put a copy of your ADE airport BGL file into the Scenery/World/scenery folder and check that. Remove it when finished with testing.
 
Okay, put the Airport BGL with the ALT Bgl in the Scenery/World/Scenery folder. Got rid of the Autogen error, now to figure out why there are still hills and dips in my airport, I may try adding an extra flatten, adding a custom land class, or a ground poly.
 
Extra flattens work for me, usually.

And you do not need the airport BGL along with the ALT BGL file - the ALT should be all you need.
 
Alright, So, unfortunately, I have tried everything. And nothing works. I don't know if the area I'm working in is just to hilly, or that I'm using FSX:SE with the P3DV4 SDK. Unfortunately, I even made a whole new airport, and the same thing happened. I may just scrap the idea, and maybe see if anyone who has better results can take a commission :p Thank you Tgibson for all the help, and taking the time to help. (love the CalClassics btw!)
 
If you are using FSX then you should be using the P3D 1.4 SDK, not the V4 version.
 
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