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AI Traffic: Difference between revisions
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=== Warnings and Limitations === | === Warnings and Limitations === | ||
The complexity of building a fully functional groundnet (and the time spent on it) grows exponentially with the size of the airport but very small airports, on Pacific Islands for example, pose even larger challenges. An ideal project to start with is a Metropolitan airport with one or two runways, and two dozen of parking positions. | The complexity of building a fully functional groundnet (and the time spent on it) grows exponentially with the size of the airport but very small airports, on Pacific Islands for example, pose even larger challenges. An ideal project to start with is a Metropolitan airport with one or two runways, and two dozen of parking positions. | ||
FG Scenery and Traffic manager have their limitations and create specific challenges of their own. For example: | FG Scenery and Traffic manager have their limitations and dependencies which create specific challenges of their own. For example: | ||
* TM does not | * TM does not space landing aircrafts. You will most likely see packs of aircrafts hitting your runways at once. | ||
* TM does not | * TM uses a separate file (ICAO.threshold.xml) to calculate where runways are ie the space between each pair of thresholds in the file. The last point of a route ending on runway must be within the two threshold for the aircraft to initiate its take-off. This is key for displaced threshold. If the route does not end within thresholds, aircrafts will simply stop and pile up at the entrance of the runway | ||
* TM | * TM does not yet use Regular/Cat III Holding Points data. You cannot force an AI aircraft to pause/hold on a route. | ||
* AI Aircrafts cannot "pivot" on their parking positions | * TM does not support the conditional use of gates (Do not use A if B is occupied); Always assume all the Parking position you set will be occupied. | ||
* Groundnets, terrain and scenery objects are | [[File:AI Traffic at KJFK former Terminal 3.jpg|300px|thumb|AI Traffic at KJFK former Terminal 3]] | ||
* AI Aircrafts cannot "pivot" on their parking positions. The last segment on a route leading to a parking position must have the same heading than the parking position itself (Park Straight) | |||
* Groundnets, terrain and scenery objects are independent and you may see your aircrafts rolling on grass or sitting on buildings. Before blaming your groundnet work, consider that the airport terrain/layout may be outdated or misplaced. Similarly, Building/Object may have been placed at certain Lat/Lon but since demolished (example of JFK Terminal 3 on the right) to make space for a new taxiway as airports expand and change layout regularly. | |||
Your candidate groundnet will need to be tested thoroughly by running it in FG, at different time of the day as wind conditions and traffic patterns will impact which runways are used and how many AI aircrafts are handled. | Your candidate groundnet will need to be tested thoroughly by running it in FG, at different time of the day as wind conditions and traffic patterns will impact which runways are used and how many AI aircrafts are handled. | ||