> I like the idea of being able to pass in arbitrary METAR strings. That
> would allow a person to easily fly with interesting weather copied from
> some other location or time. Or even we could setup challenges like fly
> this approach with this weather, etc.
>
> Keep in mind that we estimate cloud tops for METAR weather, so whatever we
> do shouldn't prevent someone from customizing cloud top altitudes and wind
> layers from within FlightGear or through the property interface.
Keeping that in mind, I just started working on the following idea:
Step #.
- move the hard coded metar strings for scenarios Thunderstorm and Fair
weather to preferences.xml and just keep two hard coded scenarios: METAR (aka
real-weather-fetch) and none.
- provide scenarios in preferences.xml like Thunderstorm, Fair weather,
Minimum VFR, CAT I minimum, CAT II minimum etc.
- change the weather_scenario dialog to read the combo box options from
preferences.xml
Step #2
Add an option --metar=<arbitrary handcoded METAR>
- this implies --disable-real-weather-fetch and set scenario to METAR
- make the metar string editable in the weather_scenario dialog
This option needs some changes in the logic of real-weather-fetch and scenario
usage.
Ideas and comments are welcome. If I play in someone elses sandbox here,
please complain!
Torsten
Example of preferences.xml extension:
<environment>
<weather-scenarios>
<scenario>
<name>Fair weather</name>
<metar>15003KT 12SM SCT041 FEW200 20/08 Q1015 NOSIG</metar>
</scenario>
<scenario>
<name>Thunderstorm</name>
<metar>15012KT 08SM TSRA SCT040CB BKN070 20/12 Q0995</metar>
<layer n="0">
<coverage>scattered</coverage>
<elevation-ft>7000</elevation-ft>
<type>ns</type>
</layer>
</scenario>
<scenario>
<name>CAT I minimum</name>
<metar>15010KT 0800 -RA BKN002 OVC400 08/06 Q0990</metar>
</scenario>
<scenario>
<name>CAT II minimum</name>
<metar>15005KT 0400 -RA BKN001 OVC200 08/06 Q0990</metar>
</scenario>
<scenario>
<name>CAT IIIa minimum</name>
<metar>VRB02KT 0250 -RADZ OVC001 OVC800 08/08 Q0990</metar>
</scenario>
</weather-scenarios>
<weather-scenario>Fair weather</weather-scenario>
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