I need to learn how to work with the property tree in flightgear.
Could someone refer me to material that might be helpful?
Thanks!
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On 5/26/05, Erik Hofman [EMAIL PROTECTED] wrote:
bass pumped wrote:
I need to learn how to work with the property tree in flightgear.
Could someone refer me to material that might be helpful?
This isn't much information. What exactly do you want to do with the
property tree, or are you
Well, I submitted it. Alas, it didn't go well. You can follow the
flame war here:
http://cygwin.com/ml/cygwin/2005-05/threads.html#01305
I just read that... that guy certainly has a problem!!!
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Hi,
I'm thinking that if you can find the performance graphs for a given
alternator for an aircraft, especially those with rpm vs output
(whether voltage or current) and then put the values into an XML file,
it might do the trick for you. You could then use Kirchoff's laws to
sum the input from
If I wanted to look at the code for the property browser where would I look?
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Maybe I'm wrong but I remember reading somewhere on the lists that the
reason for this vibration was because of the damping on the gear being
too low and that you could fix that problem by increasing the
damping? or did I read that for Yasim?
On 6/18/05, Jon Berndt [EMAIL PROTECTED] wrote:
Hi all,
I managed to finally get control of flightgear using a joystick and
the native-ctrls format from simulink. IT FLIES! at least
almost... Just have one thing I couldn't sort out... that was the
throttle. It seems to be acting digital,ie. at certain instants,
based on the
Hi guys,
Since you are updating the documentation, I think it might be a good
idea to include the byte order lists of the various input/ouput
protocols. It would help someone who would want to fly flightgear
through some external application, and especially help those who are
building external
Hi all,
I'm sending joystick input through Simulink in Matlab to Flightgear
using the Native-ctrls structure. I am able to control everything
pretty satisfactorily, everything except the throttle... its gone
digital on me!!! It fluctuates between a one and a zero in almost a
random manner when
Throttle should be no different from any other value. There is probalby
internal code clamping this to the range of 0.0 - 1.0 so if your numbers are
coming through garbage and random, you might see this effect. If it was me,
I'd insert some debugging code in src/Networks/native_ctrls.cxx
Hi all,
I was working on interfacing flightgear with Simulink via UDP... I'm
happy to say that it worked :-) I used a matlab script file to read
and write data to transfer data to flightgear.
I was looking at the data that is being sent and I realized that of
all the engine data being sent,
Throttle position is definitely included in the net_ctrls.hxx
structure. What structure are you using for your matlab communication?
Curt.
yup!!! it is there in native_ctrls. I just thought it might be a
good idea to have it in native_fdm too!! Just a thought!!!
I think you should share the specifics of the UDP and Matlab version with
those of us that have been toying with this unsucessfully for months... ;^)
Matlab 7 it is. I used the TCP/UDP/IP toolbox by Peter Rydesäter.
You can find it at
ok... I have a question. I want to send a commanded elevator control
surface deflection instead of a stick command to flightgear from
matlab. This means that I cannot use native_ctrls but instead have to
use native_fdm where an option to edit this value does exist. But how
will I be able to
..this is the correct behavior for early WWI era planes powered with
rotary engines such as the Gnome, Rhone and Oberursel rotaries,
these were throttled by blipping the ignition off-n-on to cut power
to a desirable level. If you're _not_ doing a rotary, it's a bug. ;o)
I know I'm not
On 6/22/05, Drew [EMAIL PROTECTED] wrote:
If I were you, I'd take a look at net_fdm.h and native_fdm.c. The
data structure received by FlightGear can easily be modified to
include whichever parameters you'd like to control from your Matlab
sim. You just need to add code to set the
Hi all,
I got two questions to ask...
1. When an aircraft has ZERO velocity, given some rudder input, and
also when there is no wind, should the rudder actually have any effect
at all? I see the c-172 actually turn, and over a period of time, if
left alone, flip over, do some gymnastics,
Strange. Are you sure there's no wind? I'll take a look.
No wind!!
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Sorry to bother you guys... I know this is unrelated but I have to
ask. Are you able to access CVS for OpenAL? I followed the
instructions on the download page of openAL, but none of those
commands seem to work... in the sense everytime I try to login, it
just hangs, and I end up having to stop
This doesn't limit to the c-172.
I do not know whether this has been fixed or not, but back in Feburary when I
was testing the model for the A380, I notice that the wind is powerful
enough to moved the A380 slowly from the center of the runway to the edge of
the runway.
Going back a bit
Yes, I do this already for months at least since FlightGear uses
OpenAL. I did the initial checkout using this command:
cvs -d:pserver:[EMAIL PROTECTED]:/usr/local/cvs-repository co openal
after doing a CVS login. I don't remember the password, though ..
The website says
cvs -d:pserver:[EMAIL PROTECTED]:/usr/local/cvs-repository co openal
I tried this command too!! nothing happened. it just sits. Didn't
even ask me for a password. I am using Fedora Core 2. Does this have
anything to do with it?
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Why do you yell at me !?
I'm sorry... I didn't think I was yelling at you. But if u feel I
did so, I sincerely apologize, that was not my intention.
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I give up... could someone save me the suffering and mail me a
tarball of openal they have to this address? I've decided cvs hates
me lol... kind of reminds me of Martin's signature on all his posts!!
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Point taken. Will correct.
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Where I can find a similar info for FGFS ?
Also, what kind of program I can use to send some test
UDP packets to FGFS ? Telnet ?
I've had success with Matlab. I used Simulink with the virtual
reality toolbox and a tcp/udp toolbox to send joystick data to
flightgear. As Josh said above,
Just wondering... would it be possible to fly flightgear in stereo?
I do know Nvidia has a stereo driver which you could use to make
applications seem in 3D with both shutter glasses and the old
red-blue glasses. I tried it out on a computer here with no effect (I
was using shutter glasses
oooppss... didn't see jon's mail. should have kept this one in that thread...
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Hi,
Reading this gave me an idea... I have a Logitech Extreme 3D Pro
joystick in which the rudder axis and the other buttons never used to
work. I looked at the xml file for it and fount that it was names as
Logitech Logitech Extreme 3D Pro. I removed one of the Logitechs and
had to
any idea when we will see the next release?
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Hi all,
I'm trying to get flightgear 9.8 built in Windows. I'm using MSVC 7
for the build. I ran into the following errors from the Nasal code.
start output
from the following code:-
static struct {
naCFunction func;
char* name;
} propfuncs[] = {
{ f_getType, _getType },
{
On 9/6/05, Andy Ross [EMAIL PROTECTED] wrote:
This looks like a version skew problem. That function
signature (with four arguments) is the one from the current CVS
version. The 0.9.8 Nasal interpreter used a different API with
only two arguments.
It looks to me like you're compiling CVS
On 9/6/05, Andy Ross [EMAIL PROTECTED] wrote:
bass pumped wrote:
Andy Ross wrote:
It looks to me like you're compiling CVS FlightGear with an older
SimGear.
I did download flightgear [...] from the 'bleeding edge' link from the
website. [...] But when compiling that simgear [...] I
On 9/7/05, Jim Wilson [EMAIL PROTECTED] wrote:
From: Andy Ross [EMAIL PROTECTED]
snip
These words, the same thing say.
Hmmm, too much of Star Wars prequel this summer have you watch? ;-)
Best,
Jim Wilson
LOL!!
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Hi everyone,
I tried to compile the latest version of flightgear today in MSVC 7.
It compiled fine... but then I had problems when it tried linking.
Any ideas on how to fix it would help.
Thank you in advance.
Start ouput
Linking...
LINK : warning LNK4075: ignoring '/EDITANDCONTINUE' due to
On 9/22/05, Frederic Bouvier [EMAIL PROTECTED] wrote:
Selon bass pumped :
Hi everyone,
I tried to compile the latest version of flightgear today in MSVC 7.
It compiled fine... but then I had problems when it tried linking.
Any ideas on how to fix it would help.
Thank you in advance
On 9/29/05, Hans-Georg Wunder [EMAIL PROTECTED] wrote:
Hello all,
is it possible to derive the transfer function from jsbsim fdm
coefficients. I know the way to calculate the parameters like Clalpha
for a operation point. But for a root locus analyse I need the transfer
function (Root locus
Hi,
I'm trying to compile pre-rel-3 in MSVC 7 but i'm running into a
linking problem again. It looks to me like simgear is unable to read
the openAL header files while trying to link. I have put them in the
sound_mngr directory and modified the include statements to read it
directly from there,
Add the libs to FG, SG does not need them.
Harald.
Hi Harald,
Thank you for your reply. I did add the libraries to FG as you
suggested but I still get the same errors. It looks like for some
reason or the other the header files are not being read... for
example the function alGetError
However, I am getting an error building the openal/alut directory after the
make install of the openal/linux directory succeeds.
I get a lot of warnings from the aclocal process (shown below as there's
many). Then
creating libs/libalut.dll.a I get a large number of undefined references as
Ok... I myself have been having problems with compiling FG with MSVC
7.1, but I've been told this much. Its way to hard to compile with
MSVC6. But ofcourse, I submit to the judgement of the masters. They
know way better.
On 11/14/05, Sam Ingarfield - VK6HSI [EMAIL PROTECTED] wrote:
Hi
Any
On 11/14/05, Geoff Air [EMAIL PROTECTED] wrote:
Hi WIN32 developers,
I too have had BIG PROBLEMS with compiling OpenAL
CVS with MSVC7.1 - maybe this will eventually be cleared
up by the OpenAL developer group ... maybe NOT ;=((
Part of the problem, is that for no particular good
reason
On 11/16/05, Ethan D. Schur [EMAIL PROTECTED] wrote:
So I'm getting about 4273 unresolved externals when linking flightgear
in MSVC7. I build simgear and all the dependencies. The errors look
something like this
FlightGear error LNK2001: unresolved external symbol bool __cdecl
On 11/23/05, pmaclean [EMAIL PROTECTED] wrote:
Well I got flight gear (version 0.9.8) to compile thanks
to the posting by Erik Hofman.
http://mail.flightgear.org/pipermail/simgear-cvslogs/2005-January/001011.html
I am using Visual Studio dotnet (7.1) on Win2K. The only reason I
have had any
On 11/27/05, John Wojnaroski [EMAIL PROTECTED] wrote:
bass pumped wrote:
On 11/23/05, pmaclean [EMAIL PROTECTED] wrote:
Well I got flight gear (version 0.9.8) to compile thanks
to the posting by Erik Hofman.
http://mail.flightgear.org/pipermail/simgear-cvslogs/2005-January/001011.html
On 11/27/05, bass pumped [EMAIL PROTECTED] wrote:
On 11/27/05, John Wojnaroski [EMAIL PROTECTED] wrote:
bass pumped wrote:
On 11/23/05, pmaclean [EMAIL PROTECTED] wrote:
Well I got flight gear (version 0.9.8) to compile thanks
to the posting by Erik Hofman.
http
On 11/27/05, Curtis L. Olson [EMAIL PROTECTED] wrote:
bass pumped wrote:
oops... disregard the above ouput. I found an error in what I had
done. Right now I can only confirm that the data being put on the
network is wrong. I have matlab running on another computer reading
the output
On 11/27/05, bass pumped [EMAIL PROTECTED] wrote:
On 11/27/05, Curtis L. Olson [EMAIL PROTECTED] wrote:
bass pumped wrote:
oops... disregard the above ouput. I found an error in what I had
done. Right now I can only confirm that the data being put on the
network is wrong. I have
Hi,
I'm glad to report that I am an idiot and that there is nothing wrong
with the data transmission code. It works fine except
when trying to write throttle over udp.
For some wierd reason it takes values of one or zero at random when
the throttle is pushed from 0 to 1. For
On 12/1/05, Richard Bytheway [EMAIL PROTECTED] wrote:
Use the latest drivers from the chipset manufacturer's website (nVidia
or ATI). The card manufacturers have been known to optimise the
drievrs that they ship on the CD.
Richard
-Original Message-
From: [EMAIL PROTECTED]
On 12/1/05, bass pumped [EMAIL PROTECTED] wrote:
Hi,
I'm glad to report that I am an idiot and that there is nothing wrong
with the data transmission code. It works fine except
when trying to write throttle over udp.
For some wierd reason it takes values of one or zero
On 12/2/05, Bruce Benneke [EMAIL PROTECTED] wrote:
I'm having trouble with opengc connecting to flightgear 99 (windows)
I THINK opengc is working, not sure how to check as I can't get FG to
talk to it. It just seems to be listening to port 5800
FG is set up
socket, out, (my ip), 5800, udp
this over to linux and try again...
Bruce
bass pumped wrote:
On 12/2/05, Bruce Benneke [EMAIL PROTECTED] wrote:
I'm having trouble with opengc connecting to flightgear 99 (windows)
I THINK opengc is working, not sure how to check as I can't get FG to
talk to it. It just seems
k... got it fixed :-)
On 12/2/05, bass pumped [EMAIL PROTECTED] wrote:
On 12/1/05, bass pumped [EMAIL PROTECTED] wrote:
Hi,
I'm glad to report that I am an idiot and that there is nothing wrong
with the data transmission code. It works fine except
when trying to write
Hi all,
I'm trawling for topics to do my masters thesis on. My interest in
intelligent flight control. Anyone have any good ideas??
Thanks,
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