Frequently asked questions: Difference between revisions

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→‎Problems: Initial FAQ + answer for grey windows.
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(→‎Problems: Initial FAQ + answer for grey windows.)
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Some will resort to delete the entire <code>$FG_HOME</code> directory or even reinstall FlightGear.  However neither is needed and may cause you to lose any custom preferences you have set up.
Some will resort to delete the entire <code>$FG_HOME</code> directory or even reinstall FlightGear.  However neither is needed and may cause you to lose any custom preferences you have set up.
=== My aircraft has grey windows ===
The problem of opaque grey/gray windows that cannot be seen through is most often due to a version mismatch between the FlightGear program and the aircraft version.  Or it could be due to an windscreen effect that is not compatible with the [[Project Rembrandt|Rembrandt]] or [[ALS]] rendering systems.  The technical cause is that the renderer and declared effect for the window are incompatible.  Some solutions are:
* If you are a stable FlightGear release, please download the aircraft from the [[FlightGear_hangars#Official_hangars|official FlightGear hangars]] matching the FlightGear version.
* If you are using a cutting-edge [[FlightGear Build Server|nightly builds]] or a [[Building FlightGear|version controlled copy of FlightGear]], or you wish to use a cutting-edge aircraft, please see [[FGAddon#Obtaining aircraft]].
* If you are using an aircraft from one of the [[FlightGear_hangars#Unofficial_sites|3rd party hangars]], it is best to contact the original aircraft author or the person in charge of the 3rd party hangar.
* If you are using Rembrandt, try turning this rendering system off.  Aircraft that use model-default.eff for the windows (at the simple expense of doing nothing) rather than model-transparent, model-combined-transparent.eff or glass.eff (which instruct Rembrandt to not use deferred rendering for the glass) will have grey windows when using Rembrandt.


== The FAQ ==
== The FAQ ==

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