Showstoppers

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This page is meant to become a list of issues that are frequently reported by users to severely affect the "FlightGear experience".

2009

near/far camera issue

Description: near/far camera issue

Workaround:

Solution:

TriangleIntersect /Qnan Issues in 1.9x release & CVS/HEAD

Description: Extensive console output that is caused by error messages significantly slows down the simulator and renders it unusable due to severely affected framerates.

Workaround: reduce log level or completely disable logging.

  • Try reducing log-level to "alert" according to the instructions here
  • Send all error output to "/dev/null" (unix systems) or "2>nul" (Windows). That means starting FG with a command like 
fgfs.exe  --fg-root="C:\Program Files\FlightGear\data\data"  --fg-scenery="C:/Program Files/FlightGear/data-orig/Scenery;C:\Program Files\FlightGear\scenery;C:\Program Files\FlightGear\terrasync" [other options etc] 2> nul

OR 

./fgfs [options etc] > /dev/null
  • Under Windows you can use this solution with fgrun. Simply create a batch file named "fgfs.bat" in the bin/Win32 directory with this content: 
fgfs.exe  %* 2> nul

Now in fgrun, choose the file fgfs.bat as the executable. It will start FG and you will see absolutely no messages on console, including the problematic triangleintersect messages.

Solution: none so far, problem persists and requires complete simulator restart

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