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Command line options: Difference between revisions
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'''Command line options''' are a common way to tell applications what to do/how to act on startup. With [[FlightGear]] they are used for many things, from simple ones like selecting an aircraft up to complex stuff like network traffic and weather parameters. | '''Command line options''' are a common way to tell applications what to do/how to act on startup. With [[FlightGear]] they are used for many things, from simple ones like selecting an aircraft up to complex stuff like network traffic and weather parameters. | ||
The easiest way to handle those options for FlightGear | The easiest way to handle those options for FlightGear is using a tool with a graphical user interface like the [[FlightGear Qt launcher]]. This way one don't have to bother about them at all. | ||
However, there are users who don't want or are not able to run a GUI and therefore are interested in this. Those who need them or just want to learn more about FlightGear, but have no idea what we are talking about, may read the wiki page on the general usage of the [[command line]]. | However, there are users who don't want or are not able to run a GUI and therefore are interested in this. Those who need them or just want to learn more about FlightGear, but have no idea what we are talking about, may read the wiki page on the general usage of the [[command line]]. | ||
A good place to store the personal options is a file called [[fgfsrc]]. This file is read by '' | A good place to store the personal options is a file called [[fgfsrc]]. This file is read by FlightGear on each startup. | ||
The following lists show the options for FlightGear including a short description and sorted by categories. Please have in mind that keeping those lists up to date on the wiki is not an easy task. Also there are different versions of FlightGear out there which don't share exactly the same options. Therefore you better also check your versions ones with <code>fgfs --help --verbose</code>. If this command fails, you may add the option <code>--fg-root=[path]</code> as well, see below. | |||
It is sad but true, not even this command is, at least in Git, up to date all the time. At the time of writing at least one option which is supported is not shown with <code>fgfs --help --verbose</code>. So if you have serious issues with an option, the source code is, as always, also the best source for info. In the file ''src/Main/options.cxx'' all the options are listed with their hard coded ''default'' setting and type. | |||
The file [[$FG_ROOT]]/options.xml is used to generate the output for <code>fgfs --help [--verbose]</code>. That's the reason why <code>--fg-root=[path]</code> has to be added to this, if it is not set as environmental variable or as option in fgfsrc. | The file [[$FG_ROOT]]/options.xml is used to generate the output for <code>fgfs --help [--verbose]</code>. That's the reason why <code>--fg-root=[path]</code> has to be added to this, if it is not set as environmental variable or as option in fgfsrc. | ||
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==== General Options ==== | ==== General Options ==== | ||
--help, -h Show the most relevant command line options | |||
--verbose, -v Show all command line options when combined with --help or -h | |||
--fg-root=path Specify the root data path | |||
--fg-scenery=path[:path...] Specify the base scenery path; | |||
Defaults to [[$FG_ROOT]]/Scenery | Defaults to [[$FG_ROOT]]/Scenery | ||
(--language=code Select the language for this session | |||
*Not* supported in 1.9.1 and Git atm!) | *Not* supported in 1.9.1 and Git atm!) | ||
--launcher Enable Qt launcher | |||
--disable-fullscreen Disable full-screen game mode | |||
--enable-fullscreen Enable full-screen game mode | |||
--disable-splash-screen Disable splash screen | |||
--enable-splash-screen Enable splash screen | |||
--disable-mouse-pointer Disable extra mouse pointer | |||
--enable-mouse-pointer Enable extra mouse pointer | |||
(i.e. for full screen Voodoo based cards) | (i.e. for full screen Voodoo based cards) | ||
--disable-random-objects Exclude random scenery objects | |||
(buildings, etc.) | (buildings, etc.) | ||
--enable-random-objects Include random scenery objects | |||
(buildings, etc.) | (buildings, etc.) | ||
--disable-ai-models Disable the AI subsystem. | |||
(This also disables showing the models of other | (This also disables showing the models of other | ||
multiplayer aircraft) | multiplayer aircraft) | ||
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--trace-write=property Trace the writes for a property; | --trace-write=property Trace the writes for a property; | ||
multiple instances can be used | multiple instances can be used | ||
== Related content == | == Related content == | ||