[Xastir-dev] args to data_add()

Owen DeLong owen at delong.com
Sat Apr 10 12:52:31 EDT 2004


Actually, if I were looking at it, what I'd be doing is using the GPS NMEA 
string from
the simulated panel-mounted GPS (OK, I'm making an assumption here, but, I 
suspect it's
fairly safe) into XASTIR as the "my station" input.  I'd also use synthetic 
APRS strings
for other aircraft to potentially simulate TCAS.  The TCAS stuff might 
require adding
some capabilities to XASTIR (3D awareness kind of things), but, those could 
be generically
useful.

Eventually, I think it would be useful for the XASTIR geocoder capabilities 
to have an
API that allowed the following capabilities:

	1.	Call XASTIR autorouter from another program and get route waypoints.
	2.	Have XASTIR feed geocoder output to an external autorouter and make good
		use of the result (as if it's own autorouter had been called).
	3.	Have multiple autorouters (automotive, aviation, rail?  aquatic?)

Anyway, I think this has some interesting possibilities.  I agree that 
non-XASTIR
functionality should be kept external, but, I think there are some features 
that could
be added to XASTIR to support those external capabilities that would also 
be useful
for other things in XASTIR.

Realistically, I think XASTIR is evolving into a generic 
GIS/Tracking/Solution Plotting
system with APRS and NMEA as primary inputs, rather than just another APRS 
widget.
That's a good thing!

Owen


--On Friday, April 09, 2004 14:39:18 -0600 Tom Russo 
<russo at bogoflux.losalamos.nm.us> wrote:

> On Fri, Apr 09, 2004 at 12:28:00PM -0700, a Mr. Richard Feyler of Fort
> Lee, New Jersey <archer at eskimo.com> writes 'Dear Rosanne Rosannadanna':
>> > (Sorry, but I don't do radios, just aircraft.  However, now with
>> > the ability to use FAA sectionals, it should be easy to use
>> > xastir as a moving map display for the FlightGear
>> > (www.flightgear.org) simulator.  Would the xastir community be
>> > interested in those patches?)
>>
>> If it would serve a purpose and wouldn't interfere with what we're
>> doing I don't see a big reason to reject it.  Some of the other
>> developers may have a different opinion on it though.  I guess we'll
>> see what other responses you get.
>
> Perhaps it would be better to hack up a generic 'fake tnc' program
> that xastir can connect to as if it were an APRS Internet Server?
> That little program could read FlightGear's position reports, then
> generate artificial APRS packets for xastir to read through a TCP
> connection. Xastir could then do real-time updates rather than have to
> be told to read a log file.
>
> I think it would be best not to hack the functionality into xastir
> itself.  But it should be very easy to make that little linkage
> program and use existing xastir functionality.
>
> --
> Tom Russo    KM5VY     SAR502  DM64ux         http://www.swcp.com/~russo/
> Tijeras, NM  QRPL#1592 K2#398  SOC#236 AHTB#1 http://www.qsl.net/~km5vy/
>  "It is inhumane in my opinion to force people who have a genuine
>   medical need for coffee to wait in line behind people who apparently
>   view it as some kind of recreational activity."  -- Dave Barry
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