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Cumulus supports only the commonly-available OpenAir SUA file format for airspaces. Possible addresses where you can - maybe! - find information:
Just put your airspace files in the directory .../maps/airspaces and make sure they have the .txt extension written in lower-case letters.
Because you can have a lot of airspace files in the airspace directory, maybe one for every country, it is useful to define, which files should be loaded only to save run-time memory. That can be done in the configuration setup for Airspaces. Press the Load button to select the airspace files to be loaded.
In addition to the OpenAir files themselves, you can add a file to configure the mapping of airspace types from the OpenAir file to the types Cumulus uses. Cumulus recognizes the following types:
Example: Sourcefile=openair.txt, Mappingfile=openair_mappings.conf
The mapping file must be placed in the same directory as the OpenAir file. The syntax used in the file is simple. Lines starting with # or * are ignored and can be used for comments. Empty lines are also ignored. The rest of the lines should contain entries in the form key = value, one entry per line. The key is the airspace type in the OpenAir file you wish to map, and the value is the corresponding Cumulus type you wish to assign. The default mappings are:
You only need to define the values you actually want to change in the file. These instructions will overwrite the default mappings.
Example: CTR=ControlC
This statement changes the assignment ControlD to ControlC.
Remember that the mappings are case-sensitive!
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