How do I Change the Airport Altitude?
Changing the altitude of a stock airport requires a bit of work. Just changing the value in airport properties will not work. This is because any altitude change must be read before the stock airport records. This is the opposite of the usual order where the last loaded file is the one that counts. So to change the altitude of a stock airport we need to create a small bgl file that loads before anything else. This is often called a pre-load stub. ADE can make this easy and will also update any airport elements that have altitudes that should be changed.
Open the change altitude function
Select the Tools menu and Change Airport Altitude
Set the new altitude
- Change the altitude to the new altitude you want for the airport
- Click Change to tell ADE to make all the changes that are needed
- If you change your mind click Cancel
Set new altitude for user defined airports
If you need to change the altitude for an airport that is not a stock airport then you can do it via a stub but that is not necessary and in this case you can change the altitude in the Airport Properties directly. However if you wish to create a stub then
- Check Create Stub
- and click the change button.
Confirm
There are some objects types that will not be changed when you modify the airport altitude. These are any flattens or airport background polys and you will need to change them yourself. Click OK to confirm. If you change your mind now click Cancel and the change will not be made.
Revised altitude in the Title Bar
Any airport that has its altitude changed by ADE will show *Revised Alt* in the title bar. This is a visual reminder that the airport is not at stock altitude and that a stub bgl file will be created when you compile
The stub bgl file
- When you compile the airport the stub bgl file will be created in ...\Scenery\World\Scenery\
- The file will be named for the airport and will contain _ALT in the name.
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