syd
> I sent in the dhc2 and citation a few weeks ago... maybe they arent
> updated on the web page yet , but if you can download via cvs they
> should be there. I started working on the b1900d tonight ...it may
> take a few days ..... I doubt they will ever be 100 % complete ....
> the b1900d has a ground proximity warning system that I'd love to make
> functional , but my C programming is REALLY rusty :).
>
>
C? A simple GPWS needs a few lines of XML in the sound.xml configuration
file. Here is a fragment:
<stall>
<name>gear up warn</name>
<mode>looped</mode>
<path>Sounds/gear-hrn.wav</path>
<condition>
<and>
<less-than>
<property>controls/engines/engine/throttle</property>
<value>0.3</value>
</less-than>
<equals>
<property>sim/alarms/gear-warn</property>
<value>0</value>
</equals>
<less-than>
<property>gear/gear/position-norm</property>
<value>1</value>
</less-than>
<less-than>
<property>gear/gear[1]/position-norm</property>
<value>1</value>
</less-than>
</and>
</condition>
<property>/sim/alarms/gear-warn</property>
<volume>
<factor>0.7</factor>
</volume>
<reference-dist>10.0</reference-dist>
<max-dist>20.0</max-dist>
</stall>
This code sounds the gear warning klaxon if the throttle is closed and the
gear is up. Substitute /position/altitude-agl-ft, probably remove the
throttle stuff, add whatever sound you want and you have a GPWS.
Regards
Vivian
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