Lee Elliott wrote:
> What I'd like to do is to be able to switch the AP mode from
> Glide-slope hold to this new Touch-down mode automatically at a
> specified agl-ft.
>
> Any ideas how I can do this in xml?
Probably the best thing to do is write a little nasal code to poll the
property at maybe 5Hz or so (since AGL changes every frame, you
*don't* want to do it with a property-listener style interface,
polling is actually faster). Something like this:
checkagl = func {
agl = getprop("/andy/cannot/remember/the/agl/prop/name");
if(agl < THRESHOLD) {
setprop("/ditto/for/the/autopilot/mode", "touchdown-mode");
}
settimer(0.2, checkagl);
}
checkagl();
Andy
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