I thank you dear Anders and Nicolas,
Anders' method is more convenient for me because i want a permament display,
from the very beginning of opening the simulator till the end.
Both answers are appreciated, thank you very much.
2009/8/15 Nicolas Quijano <nquij...@gmail.com>
> Hi,
> You can also just open the property tree in-sim with /, browse to the
> desired property, shift-click on it, and it'll be on screen for that
> session. Convenient when you just need to check a few values that are not in
> your script(s) :)
> Ctrl-click toggles booleans from true to false.
>
> Cheers,
> Nic
>
>
> On Sat, Aug 15, 2009 at 8:56 AM, Anders Gidenstam <
> anders-...@gidenstam.org> wrote:
>
>> On Sat, 15 Aug 2009, Behlül UÇAR wrote:
>>
>> Hi, I'm researching for weeks to understand FlightGear system.
>>>
>>> Actually what i want to do is that I want to print some logging
>>> properties
>>> directly on the FlightGear screen. I couldn't see any information how to
>>> print something directly on the FlightGear screen. I can handle
>>> properties
>>> with Nasal and show them on terminal but as i said i want them to show up
>>> on
>>> gamescreen.
>>>
>>
>> Hi,
>>
>> It's is easy to do that from Nasal via the module screen.nas.
>> Example for a JSBSim aircraft (you can e.g. run it in the Nasal console
>> available from the debug menu):
>>
>> var left = screen.display.new(20, 10);
>> left.add("/orientation/pitch-deg");
>> var right = screen.display.new(-200, 10);
>> right.add("/fdm/jsbsim/propulsion/engine[0]/propeller-rpm");
>> right.add("/fdm/jsbsim/propulsion/engine[0]/power-hp");
>> right.add("/fdm/jsbsim/propulsion/engine[0]/thrust-lbs");
>> right.add("/fdm/jsbsim/propulsion/engine[0]/boost-psi");
>>
>> With the developer extensions enabled (also in the debug menu) you can
>> also find any property via the '/' key and display its value by pressing
>> enter, or put it on-screen by pressing '!' (or open the propert browser by
>> pressing ':').
>>
>> Cheers,
>>
>> Anders
>> --
>>
>> ---------------------------------------------------------------------------
>> Anders Gidenstam
>> WWW: http://www.gidenstam.org/FlightGear/
>>
>> ------------------------------------------------------------------------------
>>
>>
>>
>
>
> --
> Be Kind.
> Remember, everyone is fighting a hard battle.
>
>
>
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