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O/S specific (KDE4)
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[[Interactive Traffic|AI-traffic]] is computer controlled traffic, which includes traffic over the [[Howto: Multiplayer|MP network]]. By turning off this function you're not able to see other aircraft.  
 
[[Interactive Traffic|AI-traffic]] is computer controlled traffic, which includes traffic over the [[Howto: Multiplayer|MP network]]. By turning off this function you're not able to see other aircraft.  
 
Most stuttering, or lag, in FlightGear is caused by AI traffic. Especially heavy models need quite some time to load, eg the [[Grumman F-14 Tomcat|F-14]] or the [[Rockwell B-1B Lancer|B-1B]]. Every time a new aircraft enters your local area, your computer has to load the model for that particular aircraft. The time required to read the data from the drive creates a stutter, or lag, which can range from a minor annoyance to a crash. The busier the place you fly, the more lag you'll get; eg flying around KSFO will generate more lag than a flight near EGLL, since there is more traffic near KSFO.
 
Most stuttering, or lag, in FlightGear is caused by AI traffic. Especially heavy models need quite some time to load, eg the [[Grumman F-14 Tomcat|F-14]] or the [[Rockwell B-1B Lancer|B-1B]]. Every time a new aircraft enters your local area, your computer has to load the model for that particular aircraft. The time required to read the data from the drive creates a stutter, or lag, which can range from a minor annoyance to a crash. The busier the place you fly, the more lag you'll get; eg flying around KSFO will generate more lag than a flight near EGLL, since there is more traffic near KSFO.
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=Operating System Specific=
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Many newer Linux distributions, like openSUSE 11.2, come with KDE4 as a desktop environment. While it allows some fancy desktop effects, it is known to consume enough computing power from the CPU and the graphics card to slow FlightGear down by 10 frames per second or even more. Choosing another window manager from the login screen, like xfce results in higher FlightGear performance. Setting "Compositing" to "off" in KDE4 might also help.
    
= External links =
 
= External links =

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