When I update fgfs cvs I get a hang here:
cvs server: Updating src/WeatherCM
cvs server: Updating tests
hangs
Is there a problem with the server?
Jon
smime.p7s
Description: application/pkcs7-signature
Is there some reasoning behind setting the steering gains according to
the brake selection? This makes no sense to me. It looks to me like
their needs to be a separate steering selection (or just specify the
gain in the config file).
Agreed. I beg your indulgence - let me have a look at
I get this error this evening for the SimGear CVS server:
$ cvs update -dP
? metakit-2.4.2
? metakit-2.4.2-32.tar
? zlib-1.1.3.tar.gz
? simgear/metakit
? simgear/zlib
? src-libs/boost
? src-libs/Makefile
? src-libs/Makefile.in
cvs server: Updating .
cvs server: failed to create lock directory
What does it take to build the scenery? I have a dual Athlon 1.2 Ghz
Machine with lots of disk space and a Netra T1 (Sun Box)
available to build
scenery. Is there a guide on how to do this somewhere??
Ryan
If you are talking about buildings, see the response David Megginson made
to my
The motion hardware has 2 degrees of freedom. Last night we had a
discussion on
what data to use from the sim (angular accelerations, velocities,
pitch, roll
etc.) and how to apply it to the motion hardware.
There might be some useful documents here:
You might also search here:
http://techreports.larc.nasa.gov/ltrs/ltrs.html
Specifically:
http://techreports.larc.nasa.gov/ltrs/PDF/1999/aiaa/NASA-aiaa-99-4328.pdf
Jon
smime.p7s
Description: application/pkcs7-signature
Er ... to drive the motion base's position, or its velocity, or
its acceleration ... ?
- Julian
That's a good question.
My initial *guess* would be to drive the same thing on the motion base,
that is, aircraft da/dt drives motion base da/dt, with a constant effort
at trying to re-center the
Wow. Quite a history. Welcome. How'd you find out about FlightGear?
Hello Everyone.
I've recently gone full time linux running Mandrake 8.2, I've been
running linux since 0.91 but not as a full time desktop machine :-). I
don't have all the answers, but I generally can find them :-) and
Basically what I had in mind was an adjustment of the target heading
based on
the resulting devation values. I don't have the actual formula written
down,
but it would involve doubling the devations and subtracting them from
the
target heading and including an integral accumulated error
Without code? FWIW I designed the JSBSim
FCS components to also be able to handle being assembled into an
autopilot.
Is there something there I should be looking at?
These might help:
http://jsbsim.sourceforge.net/JSBSim.PDF
http://jsbsim.sourceforge.net/ConfigurationFiles.pdf
I flew my roomates and myself from Dupage airport (DPA) to
Crystal airport (MIC) in an archer-II over the 4th of July
weekend. It was a lot of fun and sure beats driving 7 hours in a
car. Anyway here are the pics..
Crystal? As in next to Robbinsdale? I lived less than a mile from that
Jon S Berndt writes:
Just as I flared during the last landing he gave me a 100 knot
tailwind. If there would have been a black box, it would have
gotten from me only a What the ... ! before I pancaked in.
If you were flaring, you were probably close enough to the ground to
survive
Just because something *can* be done doesn't mean it *should* be!
;-)
Jon
Subject: [Flightgear-devel] x++ The World's First XML-Based Programming
Language
FYI
http://xplusplus.sourceforge.net/index.htm
smime.p7s
Description: application/pkcs7-signature
Just out of curiosity, what is the shuttle's approach speed, and can
it recover from a stall?
David
I recall reading that initial flights landed at about 205 mph. This page:
http://www-pao.ksc.nasa.gov/kscpao/nasafact/count3slf.htm
says that the landing speed is typically now 213 to 226
...or, between aircraft for in-flight refuelling?
..(during the Falklands War, the Britts tested refuelling of Harriers
and Sea Harriers, from ships, in-hover refuelling, believe I saw this
in Air Progress magazine in the mid 80'ies.)
exactly.
smime.p7s
Description:
Unfortuenately I couldn't make jsbsim's logging feature work yet.
I tried both TERMINAL and TABULAR instead of NONE. No effect.
Could be interesting to see which column makes the values jump first.
Did you try CSV?
Yes, terminal and tabular are not implemented, yet.
smime.p7s
..how about the impact of Microsoft's new EULA lured in with the
Windows Media Player security patch ? I came across this in
'news:microsoft.public.security' and 'news:comp.security.firewalls'.
..details in http://www.theregister.co.uk/content/4/25956.html
..my understanding of this, is
In the past 36 hours, almost all of the subject lines I've seen come
through fg-devel have started with the letter a or j. Something must
be done about this. I much prefer topics that begin with an f or an
x-. Studies have shown I am not alone.
;-)
;-)
P.S. Dh! My own post's subject line
The page can not be displayed
That's the message I got ... :-(
http://www.sf.net/projects/thplot
smime.p7s
Description: application/pkcs7-signature
Odd. Seems to work OK for me.
It's there, now. Must have been a momentary glitch.
smime.p7s
Description: application/pkcs7-signature
It's a chicken an the egg problem. Any aircraft can have quickness in
maneuverability with large enough control surfaces. But you can't
make the control surfaces too large and still intercept nuclear
bombers at Mach 2.
True .. though not so much Chicken and Egg as balanced design
For extra credit, record a pilot grunting or huffing sound and
play it at high G's.
guffaw
smime.p7s
Description: application/pkcs7-signature
Robert Deters wrote:
Actually the F-4 is unstable, but only marginally. It just means that
the plane would eventually diverge if the pilot did nothing to stop
it.
Rob:
I think most people, when thinking of stability think:
If I made an exact paper airplane of the aircraft in question and
AXIS 3) Yaw damper:
I am anxious that this be a totally separate system from the autopilot,
it's a very independent system apart from the fact it drives control
surfaces and the switch is usually on the MCP :-) If we ever go as far
as systems modeling at the block level, that's especially
I've got a problem with an undefined reference. I've set up a function
template in one of my classes. The declaration is:
template class T
T IntegrateAB4(double delta_t, T vLast, T* vLastArray);
The definition is:
template class T
T FGState::IntegrateAB4(double delta_t, T vLast, T
For the process of starting a turbine engine, this is what I have
identified, so far:
Actions:
---
1) engage the starter
2) throttle at ground idle setting
3) ignition on (at ~8% ground idle rpm)
4) fuel on
5) at ignition, engine begins to produce torque
6) when torque produce by engine
The goal is by using a set of standards one could hyper-jump ones
spacecraft between star systems, much the way one
I'm not really interested in anything outside of earth orbit, for now.
smime.p7s
Description: application/pkcs7-signature
Some of the models are awful. Some are very much not. There's far
too much variation across our flight models (across different code
bases and even between individual aircraft in the same FDM) to permit
a blanket statement like this one. It's just kibitzing. If he had
specific complaints
Which Roskam did you find the Cherokee numbers in?
Oops. I was mistaken. It's not Roskam -- it's McCormick,
Aerodynamics, Aeronautics and Flight Mechanics, Appendix C. Cameron
Munro sent me copies of it.
It's a very complete example.
You could rough-in a Cherokee in YASim first, just
I agree -- JSBSim is reporting a positive normalized position for a
negative input (and vice-versa). Obviously, we've made allowances for
that in the model animations, but it's inconsistent with the behaviour
elsewhere. I'll look into fixing it.
Before making changes, can you elaborate on
No elaboration needed. Thanks David.
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of Jon Berndt
Sent: Tuesday, May 28, 2002 6:38 AM
To: [EMAIL PROTECTED]
Subject: RE: [Flightgear-devel] Rudder inverted again in yasim
I agree -- JSBSim
: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of David
Megginson
Sent: Tuesday, May 28, 2002 7:14 AM
To: [EMAIL PROTECTED]
Subject: RE: [Flightgear-devel] Rudder inverted again in yasim
Jon Berndt writes:
I agree -- JSBSim is reporting a positive normalized position
Are there any plans for adding support for the interesting bits of
weather to this model? (ie, storms, realistic winds that actually
relate to the rest of the weather model, etc)
Yes. We've got hooks in JSBSim to add in the effects of turbulence, but
the math model driver for turbulence can
Jonathan Polley writes:
I noticed that the latest version of main.cxx references a macro
SG_COMPILER_STR, which doesn't seem to be defined anywhere. Is this
suppose to be referencing SG_COMPILER from simgear/compiler.h?
Ooops, my fault, missed committing a change. It should all be
Never mind.
I need to start waiting two minutes later than I normally would to send
emails complaining of faults. That's how long it usually takes me between
the time I think of writing until I find where I screwed up.
:-/
Jon
smime.p7s
Description: application/pkcs7-signature
? I don't see any harm in sticking with the integer value, but I
agree that a better name, proper documentation, and some debugging is
essential.
This is true - particularly about documentation. Inline comments would
help, too. I prefer (and we will continue to do this for JSBSim) that dt
So, is dt recording elapse time or set to the current step time? If a
sharp
programmer like Andy is getting confused about what dt really is, then
perhaps the variable should be called ms_elapsed or t_stepsize,
etc.?
This is ridiculous. dt is short for delta T. In a 100 Hz simulation, the
This is ridiculous. dt is short for delta T. In a 100 Hz
simulation, the
corresponding dt is 0.04. For 120 Hz it's 0.00833. For people that do
simulation for a living this is one of the *most* recognized
parameters
around.
Jon almost assuredly meant dt = .01 for 100 Hz or dt = .04 for
Jon Berndt writes:
can you use a sphere?
That's a lot of triangles for each tree.
Oh, blast it! That's right. OGL has no real sphere.
Jon
smime.p7s
Description: application/pkcs7-signature
I'd prefer to get away from using _snprintf, snprintf, or whatever. The
only reason we use them (IIRC) is to limit the length of an output string.
This can be done in other ways, such as using the string class. Since they
would not be used in performance critical areas, maybe that's an option?
In order to test JSBSim compilation across different platforms, I've been
giving some initial thought to use of the sourceforge compile farm. Does
anyone here have any experience with that? Good idea? No?
Jon
smime.p7s
Description: application/pkcs7-signature
In order to test JSBSim compilation across different platforms, I've
been
giving some initial thought to use of the sourceforge compile farm. Does
anyone here have any experience with that? Good idea? No?
This *is* cool. I tried it: tried compiling JSBSim on the Mac. uname -a
returns:
Darwin
Norman Vine wrote:
Jonathan Polley writes:
The biggest problem I see with C++ and the FAA is that it is VERY hard
to
guarantee that C++ will not do any dynamic memory allocation.
Agreed -- this is the 'crux' of the issue for long running 'critical'
software.
AFAIK most of this kind of
Curtis L. Olson writes:
What we have been referring to as the CG is a bit of misnomer. We
really want the FDM to produce the location of a *fixed* reference
point of the aircraft (in world coordinates).
The FAA TCDS's call this the reference datum. We might as well
adapt the same
Wow. This is lookin' good. I surmise the extra reference points close up
will give a new perspective on flying the -310.
For screen shots - if you don't mind my showing off a bit ;-)
Show off more. This is very inspiring. It's great PR, too.
Night time -
Do you think - just for grins - it might be worth making a post to the
rec.aviation.simulation newsgroup (land of MSFS and X-Plane talk)?
Jon
For screen shots - if you don't mind my showing off a bit ;-)
Night time - http://www.spiderbark.com/fgfs/u3anight.png
smime.p7s
Description:
On Behalf Of Cameron Moore
What exactly do we want 1.0 to be? Here are some things I'd like to see
in 1.0:
- Runway lighting
- Sane gear model in JSBSim
In work, as we speak. Of course, this has been in work for months, and
is likely to continue to be for at least days if not weeks.
-
I agree that this was how it was originally coded, but something has
changed in the last week or so and the propellor definitely spins an
order of magnitude slower than reported rpm.
Did someone get rps and rpm mixed up?? ;-)
smime.p7s
Description: application/pkcs7-signature
3. Flaps in c172JSBsim still doesn't animate.
JSBSim isn't reporting the flap position -- it's a JSBSim-specific bug
(you should still see the flaps move with YASim).
Bug? This would surprise me as the aero effects are there. Could be that
we just haven't gotten around to providing a
Can you describe your matrix?
Is this of any use to you?:
http://jsbsim.sourceforge.net/quaternions.html
If someone shows me how to use my matrix directly, I'll do that. For
now I've written a conversion function that I'll probably stick into my
matrix class.
smime.p7s
Description:
The manual contains performance charts, detailed wb breakdown
and subsystem descriptions among other things.
I hope I can be of help to get this plane into FlightGear. What I
need is a postal address to mail the manual to, if anyone is interrested
in
Let me know if this is of interrest.
Setting the environment variable __GL_SYNC_TO_VBLANK to a non-zero value
will force glXSwapBuffers to sync to your monitor's vertical refresh
rate
(perform a swap only during the vertical blanking period) on GeForce or
newer hardware (ie: everything but TNT/TNT2 products).
For windows
To be fair, however, what many people call unflyable around here isn't
anywhere near the case. The most recent JSBSim complaint, for example,
only took two clicks of keyboard aileron to correct at climbout speeds.
I was talking to a pilot friend of mine the other day. He was telling me
that
Sorry about that. I've got to find a darned editor that doesn't do that to
me. I'm guilty!
Jon
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of Frederic
Bouvier
Sent: Thursday, April 11, 2002 6:03 AM
To: FlightGear Development
Subject:
The convention for moving models for flight simulation visual system
is for the origin to be at the CG location for aircraft models. The
The *initial* CG location? The CG location can change.
Jon
smime.p7s
Description: application/pkcs7-signature
I wonder if the EAA would be willing to share their research data with
the rest of us? Any EAA members here?
IIRC it's not the EAA that's sponsoring the research. I think the model
was tested extensively in the wind tunel at Langley.
http://quest.arc.nasa.gov/aero/wright/tunnels/
I am
approach. She then said '...and this is how we slow down in a
hurry'. Adjusting the prop RPM lever and throttle to get us from
145 knots to 80 in around 4 seconds. Very impressive! Is this
modelled in FGFS?
It *should* be, however we have a possible reported a bug in our propeller
model
You might check the property tree for any rudder or
aileron biases. In other words, the cmd is zero and
the pos is not.
Tony, are you seeing the roll?
smime.p7s
Description: application/pkcs7-signature
We use pounds.
Jon
Jon S. Berndt
Coordinator,
JSBSim Project
http://jsbsim.sf.net
Curtis L. Olson writes:
What units are we measuring fuel quantity in these days? If not
gallons, can someone give me a rough conversion from what we are
using
to gallons (ignoring issues such as
The property system currently publishes the value using US gallons,
but think that almost everyone agrees that using a volume measurement
is wrong, since volume is relative to temperature and air pressure.
For the big iron, yes, but for small piston planes I personally think
volume is
Try searching the nasa tech reports sites:
http://techreports.larc.nasa.gov
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of Gene Buckle
Sent: Monday, April 08, 2002 11:18 AM
To: [EMAIL PROTECTED]
Subject: [Flightgear-devel] [OT] Jon!
Jon, I'm
Got this error while linking latest flightgear from CVS:
fg_init.o(.text+0x4c57):fg_init.cxx: undefined reference to
`FGJSBsim::FGJSBsim(double)'
Anyone else see this? I'm going to have a look now (I'm home today).
Jon
smime.p7s
Description: application/pkcs7-signature
Right now our wheels are stored in an array. Is there anywhere that
defines which position corresponds to which wheel ... something along
the lines of:
wheel[0] == nose
wheel[1] == left
wheel[2] == right
from JSBSIm.cxx:
FCS-SetLBrake( globals-get_controls()-get_brake( 0 ) );
MAJOR FRUSTRATION MODE:
I did a complete checkout and rebuild of FlightGear. Again, it gets all
through compile and fails at the link stage. This is with a clean CVS
checkout.
fg_init.o(.text+0x4c57):fg_init.cxx: undefined reference to
`FGJSBsim::FGJSBsim(double)'
Is no one else seeing this?
Never mind. Seemed to work after I did:
1) Deletion of flightgear tree
2) recheck out
3) Surprise! JSBSim.[c|h]xx no longer in fgfs cvs! (??)
4) aclocal;autoconf;etc.
5) make
Jon
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of Jon Berndt
Sent
from JSBSIm.cxx:
FCS-SetLBrake( globals-get_controls()-get_brake( 0 ) );
//left
FCS-SetRBrake( globals-get_controls()-get_brake( 1 ) );
//right
FCS-SetCBrake( globals-get_controls()-get_brake( 2 ) ); //
center
--
Do aircraft really have nose wheel brakes? Most
Jon mentioned something about using the glass displays for a possible
app?
The program now has both file-based and command line initialization so
it's
a bit more user friendly and the linux build is clean once the library
fonts
are installed. And there is a short tutorial and install doc.
If you are near a TV ... the shuttle goes up momentarily.
Jon
smime.p7s
Description: application/pkcs7-signature
Commercial or open source?
Regards
John W.
Very early stage demonstration of displays. We might have need for
something quick and dirty. This is all speculative. Might never pan out,
but I am trying to get my superiors interested for use as a tool for
potential future work.
Jon
smime.p7s
These
items should not be limited, anyhow. Where is this done???
-Original Message-From:
[EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of Jonathan
PolleySent: Monday, April 08, 2002 9:24 PMTo:
[EMAIL PROTECTED]Subject: [Flightgear-devel] MSVC
Still not
Why not translate nonlinear model of Pioneer to JSBSim?
Why not?
http://amber.aae.uiuc.edu/~jscott/sis/models/
The data is all there. In fact, the model files the UIUC guys use present
pretty much the same information that JSBSim does. Perhaps someone could
write a translator? :-)
I notice
Give it another chance or four. You'll begin to enjoy it. If you've
got
vertigo or motion sickness problems, a Drammamine tab probably wouldn't
hurt before you take off.
I've been really lucky this way. When I was taking lessons some twenty
years ago one thing the instructor did was to put
Wow. Thanks for the feedback. This is really the only _best_ way to making
sure the feel of the flight modeling is right - getting the qualitative
reports from many people is even better.
P-Factor is definitely one of those effects we need to adjust based on the
qualitative judgment of people
like this feature too. The current deal where the aircraft freezes on
crashes is not so handy to me. Why not have some sort of realism feature
that at one extreme does not freeze on crashes and allows for some sort
of
slew to altitude feature and then on the other extreme you've got to
Ack, really? I was honestly under the impression that you were
handing out the coordinate frame too; I thought I had checked this in
code when writing YASim.
Perhaps this is related to the misunderstanding of our gear model and how we
determined where we were?
Why c.g.? Since it moves, it
Curt hits the nail on the head --- I'd just like to continue on, and I
...
crashes. Yes, I could restart, but it would be easier to plow along with
We'll be glad to honor any sane request ...
Recommendations?
Jon
___
Flightgear-devel mailing
We'll be glad to honor any sane request ...
Recommendations?
..ignore planet Earth? Spool the movie back?
Autofire big recoilless tunnel-maker gun?
Someone's been in the cold too long. ;-)
Jon
___
Flightgear-devel mailing list
[EMAIL
make[4]: Entering directory
`/home/david/flightgear/FlightGear/src/FDM/JSBSim'
c++ -DFGFS -I../../.. -I../../../src -I/usr/local/include
- -I/usr/X11R6/include -g -O2 -D_REENTRANT -c JSBSim.cpp
JSBSim.cpp: In method `bool FGJSBsim::copy_from_JSBsim()':
JSBSim.cpp:530: no matching function
It comes with FlightGear. Go to this page and read up on how to get the code
via anonymous CVS:
http://flightgear.sourceforge.net/cvsResources/anoncvs.html
Jon
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of Julius
Sent: Monday, April 01, 2002
The definition of a positive aileron deflection is when the right-hand
aileron deflects according to the right hand rule - that is, trailing edge
down (TED). Unfortunately, this results in a negative roll rate - it would
be nice if our choice of coordinate system caused a positive aileron
Could we please add a feature for the next release that allows
FGFS to find
the location of every person on earth and then render that on the
scenery?
Thanks,
David
I think Norman already has a Python script to do this.
:-/
___
I saw this on OpenGL.org:
http://www.billardgl.de/index-en.html
It is an astoundingly real looking billiards game. Lots of fun.
Jon
___
Flightgear-devel mailing list
[EMAIL PROTECTED]
http://mail.flightgear.org/mailman/listinfo/flightgear-devel
Any chance someone could post a screen shot???
Jon
[mailto:[EMAIL PROTECTED]]On Behalf Of David
Megginson
I've just checked in Jim's latest viewer improvements and I encourage
everyone to update the main source tree and the base package, then try
fgfs --aircraft=c172-3d
Assuming Jon does not object, I will accept patches that look like the
above.
Okay, I'll make the changes to the current JSBSim cvs snapshot (not the
one in FlightGear) and send you the patches. However I might try a
typedef instead of a macro.
I'm not quite ready to not object. Give
Behalf Of Norman VineSent:
Sunday, March 24, 2002 10:55 PMTo:
[EMAIL PROTECTED]Subject: RE: [Flightgear-devel]
Problems Building JSBSim using MSVC 6.0
FGFilter.cpp: In method `void
FGFilter::Debug(int)':FGFilter.cpp:224: warning: use proper
indentationFGFilter.cpp:224: warning: you
I tried building FlightGear for the first time in months and months and
found that I failed at the metakit not found error with simgear. Aaarrghh!
Metakit?! So much for a quick and easy build.
So, I read the README.metakit. Eventually I'll find time to look into this
new (to me) process, but
I hear there's Windows binaries on the FGFS website 8-)
I may try and build it, anyhow.
Would it make things easier, long term, if the JSBSim core were to migrate
into a shared library that is used by both the FGFS binary and
the standalone JSBSim binary ?
Could be. But right now the
So, I read the README.metakit. Eventually I'll find time to look into this
new (to me) process, but until that time: can any CygWin users tell me if
there are any roadblocks to building this successfully - any gotchas you
have found?
Never mind. It was a total piece of cake.
Jon
Compiling...
FGAerodynamics.cpp
c:\src\flightgear\src\fdm\jsbsim\fgaerodynamics.cpp(229) : error C2661:
'Tie' : no overloaded function takes 4 parameters
Adding an ugly cast fixes the problem:
PropertyManager-Tie(forces/fbx-aero-lbs, this,1,
(double (FGAerodynamics::*)(int) const)
Adding an ugly cast fixes the problem:
PropertyManager-Tie(forces/fbx-aero-lbs, this,1,
(double (FGAerodynamics::*)(int) const) FGAerodynamics::GetForces);
I'll roll that change into my copy until it gets made permanently. While
We'll do a little investigating, first. I want to
from: [EMAIL PROTECTED]
You aren't at Flight Dynamics division, are you?
error. Does specifying '--pedantic' on the gcc command line cause any
other warnings?
Jonathan Polley
If I try using the --pedantic option I get this:
--- start --
g++ -I../ --pedantic -Wall
The other possibility is that the new multi-FDM stubs are slowing
things down, but that seems unlikely.
There's very little there that's being used - and nothing being used unless
it's defined in the config file as a multi-body sim.
Jon
___
How about compile time? I've been meaning to bug you about this. :)
The new version of FGState.cpp, as checked in a few days ago, takes
five (!) minutes to build on my machine. Yikes. The whole of JSBSim
is running well over 15 minutes of compile time now. Turning off
optimization, or
Try the version in FlightGear, not the standalone one. I think my
theory about you guys having optimization disabled is sounding more
correct. The one that gets built out of FlightGear's CVS uses the
standard -O2 flag, and is dog slow.
OK, I ran a test using the -O2 setting just to see
Tony -
Did you come up with any recommendations on what we should do
with inlining
given your test results?
Not really, I was just after trying to find out how much inlining is
worth to us.
It did look like we might benefit from un-inlining some of the tied
methods, though I have
Is this with the most recent JSBSim? Tony made some changes related to
properties and perhaps there is some tweaking to do.
Jon
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of Martin Spott
Sent: Thursday, March 21, 2002 5:30 AM
To: [EMAIL
The only way I can get SimGear to build is to replace
SG_USING_STD(sort);
with
SG_USING_NAMESPACE(std);
Nothing else seems to work. I have tried cleaning and rebuilding from
scratch *multiple* times.
Are there any other stdlib function calls in there from std namespace?
Jon
nhv@SFDEV3::/src/FlightGear% time ./bootstrap.sh
..
real19m42.347s
user17m30.419s
sys 2m18.101s
So it looks like 20 minutes is a reality on somewhat 'modest' machines
And Cygwin is a slow poke :-)
FWIW_2 with above tricks for optimized YASIM build times
Erik Hofman writes:
I'm realy impressed by the effect of the code. The higher I get, the
higher the framerate! This makes me believe we could actually enlarge
the view range when getting at a higher altitude.
This would be really nice for very high flying (X) aircraft.
Jon
This is where we disagree -- keeping it in makes the code much harder
for new (and existing) contributors to read and understand, gives
false hits when searching for variables and method calls, etc. etc.
With CVS, it's trivially easy to look at or restore old code later if
we need to; I'm
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