On Saturday 12 February 2005 22:50, Hans-Georg Wunder wrote:
> Hi all,
>
>
> for the A320-200 2D-panel I tried to activate the course tracking with
> nav1. But it doesn't work. Then I checked the source and I found the
> following in src/Autopilot/xmlauto.cxx
>
> 874     // Calculate nav1 target heading error normalized to +/- 180.0
> 875     static SGPropertyNode *target_nav1
> 876         = fgGetNode(
> "/instrumentation/nav[0]/radials/target-auto-hdg-deg", true );
>
> When I replaced it with
>
> 876         = fgGetNode(
> "/instrumentation/nav[1]/radials/target-auto-hdg-deg", true );
>
> everything works:

...snip!

> Now I am able to follow the ILS. Is this a bug in flightgear, or do I
> have the wrong understanding and do I use the wrong properties ????

I think that adding more helpers to the autopilot like this will grow into a 
big hairy mess. I say we move the helpers into the instruments where they 
belong: the heading bug into the heading indicator, the nav stuff into the 
navradio, etc.

-- 
Roy Vegard Ovesen

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