Standard instrument selection: Difference between revisions
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By default an aircraft gets access to a number of standard instruments via instrument properties. These instruments are | By default an aircraft gets access to a number of standard instruments via instrument properties. These instruments are coded in C++. Some of them depends on [[System dependent instruments|different aircraft systems]]. | ||
It is possible to override the default selection by adding your own instrument property file listing the standard instruments that you want to use in the aircraft. | It is possible to override the default selection by adding your own instrument property file listing the standard instruments that you want to use in the aircraft. For example like below: | ||
<pre> | <pre> | ||
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</pre> | </pre> | ||
Then edit the -set.xml file and add a path to your own instrument file in the sim property-tree: | Then edit the <code>-set.xml</code> file and add a path to your own instrument file in the sim property-tree: | ||
<pre> | <pre> | ||
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</pre> | </pre> | ||
{{note|Due to how the instrumentation handling is coded you must create a separate file for your instrument list and use the <code>sim/instrumentation/path</code> node.}} | |||
You can also change the properties that some of the instruments depend on to function | You can also change the properties that some of the instruments depend on to function, for example changing the attitude indicator to use battery voltage property instead of vacuum suction to drive the gyro: | ||
<pre> | <pre> | ||
<attitude-indicator> | <attitude-indicator> | ||
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</attitude-indicator> | </attitude-indicator> | ||
</pre> | </pre> | ||
== Related content == | |||
=== Wiki articles === | |||
* [[Aircraft-set.xml]] | |||
=== Source code === | |||
* {{flightgear source|path=src/Instrumentation/instrument_mgr.hxx}} | |||
* {{flightgear source|path=src/Instrumentation/instrument_mgr.cxx}} | |||
[[Category:Aircraft enhancement]] | |||
Latest revision as of 13:51, 22 August 2019
By default an aircraft gets access to a number of standard instruments via instrument properties. These instruments are coded in C++. Some of them depends on different aircraft systems.
It is possible to override the default selection by adding your own instrument property file listing the standard instruments that you want to use in the aircraft. For example like below:
<?xml version="1.0"?>
<PropertyList>
<airspeed-indicator>
<name>airspeed-indicator</name>
<number>0</number>
<total-pressure>/systems/pitot/total-pressure-inhg</total-pressure>
<static-pressure>/systems/static/pressure-inhg</static-pressure>
</airspeed-indicator>
<altimeter>
<name>altimeter</name>
<number>0</number>
<static-pressure>/systems/static/pressure-inhg</static-pressure>
<quantum>0</quantum>
<tau>0</tau>
</altimeter>
<magnetic-compass>
<name>magnetic-compass</name>
<number>0</number>
</magnetic-compass>
</PropertyList>
Then edit the -set.xml file and add a path to your own instrument file in the sim property-tree:
<sim>
(...)
<instrumentation>
<path>Aircraft/MyAircraft/Instrumentation/my-instruments.xml</path>
</instrumentation>
</sim>
Note Due to how the instrumentation handling is coded you must create a separate file for your instrument list and use the sim/instrumentation/path node.
|
You can also change the properties that some of the instruments depend on to function, for example changing the attitude indicator to use battery voltage property instead of vacuum suction to drive the gyro:
<attitude-indicator>
<name>attitude-indicator</name>
<number>0</number>
<suction>systems/electrical/outputs/battery_voltage</suction>
</attitude-indicator>