> I started to create a 2D-panel for the A320.
> ...
> But now i got stuck, because I have 3 questions:
Nice work Hans-Georg! It seems to me that the FlightGear developers who have
OpenGL experience have lost interest in the 2D panel code some time ago, and
their answer to you will be to swi
to change
the present code to look for thermal nearest-edges instead of centers.
Dave
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have tops.
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epending on whether the engine/prop is running in constant speed or
variable speed mode.
The turbine does report N2, which varies from 65.0 to 100.0.
/engines/engine[0]/n2
Erik has a nice prop animation done in his PC-7 model. See
Aircraft/pc7/Models/pc7.xml
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, but in the military it was sometimes used to cure hangovers :)
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r the HUD, it would have to be drawn after the windscreen effects, but
before the eye effects.
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quot;, like St. Elmo's Fire, rain, snow, glare?
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ject in a model file as
> the solid deck.
Thanks for your input. Forward your code to Erik.
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htt
we have
it solid then we can do catapult and wire placement, which will require even
more coordinate transformations.
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l"
7) Add pitching and rolling deck capability
8) Add wind and turbulence effects
9) ?
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ht
uot;Sky Captain", with airborne
carriers? You can give the AICarrier that shape and put it in the sky if you
like. It won't know the difference.
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't care). The numbers are
something like deck_velocity_east and deck_velocity_north.
The FDM can build a deck velocity vector from this, constraining
deck_velocity_down to 0.0 for now.
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_
ailing away from under it. The difference between the aircraft's
and carrier's velocity vectors will be applied to the ground reactions to
accelerate the aircraft.
That's the first two steps anyway, AFAICT.
Dave
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D
demo.xml file
to saratoga.xml, and replaced sailboat.xml with saratoga.ac. It works fine
(except the ship points backwards).
Maybe your sailboat.xml is putting the ship under water?
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isappeared. A new file will have to be made in order for the
ship to face the right way.
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> I've already smartened up the Saratoga model: taken away the ski-jump etc.
> It'll do for trials. But if anyone has anything better ...
What is the Saratoga doing, or not doing, that needs to be fixed?
Dave
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Never mind. I somehow got some DOS line endings in my file. Must have been a
cut/paste from a DOS document.
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file:
/home/dave/FlightGear/data/Aircraft/FW190/submodels.xml
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r.
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in
> > the
> > initial pitch.
>
> You didn't - all submodels align with the trajectory, and the option to
> turn this off hasn't been implemented. Not difficult: do we want it? I
> could do it this week sometime.
Yes, I think it's needed for contrails to
quot;minimized" and looks like a
button, and in the other state it is "maximized".
You could use the same XML code to make an instrument appear "unzoomed" or
"zoomed".
Dave
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***
e so I don't remember if I
ever added the "aerostabilize" configuration item. This allows the submodel
to ignore aerostabilization (which is on by default), so it will maintain the
initial pitch.
Dave
--
> While the markers indicate roll, they don't show pitch - I think
> this may be because of the high degree of 'air-braking' :)
Do you have a screenshot?
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e two
different and completely seperate systems.
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(as pointed out by
Fred) might be a good place to look.
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an airplane can have many different submodels now.
If Erik agrees, I can move it over.
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, the ATIS reading robot" can pronounce things right. Usually only a
couple words need to be altered though, so Sparky does a good job with
english.
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7;m doing an idle descent at 250 kts and reset the speed to 300,
I need to keep the airplane from going straight down.
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[E
irplane's performance.
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Is anyone else having trouble getting AI scenarios to work in the latest CVS?
Or is it just me?
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uld we use YASim or JSBSim for the bird FDM?
The AIAircraft FDM will do it. A non-flapping bird, like an orbiting hawk
will be easy (it's just like the KC-135). The flapping kind will take some
animation work. As for flocking behavior, that's a whole 'nother thing.
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> ...and at what clip does thrown 737 tires clip wings? ;-)
Somewhere above 196 knots ground speed.
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> David Culp, is it ok if I modify the new submodel so that it can be
> configured in the systems.xml file along with the rest of the systems? Or
> do you have another plan for this?
Sounds OK to me.
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orld coordinates. Then the vectors need to be summed to get the submodel's
initial condition.
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the 737-300 model in FlightGear, flaps 1 gives a value of 0.125
for flaps_norm, so the result is:
0.9678 + 0.375 = 1.3428
It's in the ballpark anyway :)
Dave
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#x27;s possible. Does Plib support
scaling an object over time?
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system set a boolean property, like /environment/contrails,
to true when the user is above the contrail level. The submodel can then
use /environment/contrails as a trigger.
Dave
--
**
systems/submodels/submodel[0]/trigger
0.0
true
0.1
4000
0.0
0.0
-4.0
0.0
0.0
1000.0
That should do it. I guess the OV-10 would make a good demonstrator. It's
already the thunderstorm and weather radar demonstrator.
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One of the uses of the new submodel code - sky writing :)
http://home.comcast.net/~davidculp2/sky-writing.jpg
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many more ways of getting this wrong than there are of getting it
right :) Especially for me.
I'm flexible on the coordinate system. I know axis conventions might be
different.
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two parameters, the model path and the flightplan. This
aircraft will terminate itself when it reaches the end of its flightplan.
The flightplans can be pre-calculated and stored in XML files, or they can be
created on-the-fly by another module (see Durk's traffic manager).
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model and a fightplan.
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8 doesn't
even *have* an elevator.
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> and it ran. I even flew it.
Another glowing testimonial from a satisfied user!
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h
u items: Weather | Weather Conditions
You can adjust the turbulence magnitude with the slider. The turbulence is
very strong, so I'd only use a little bit.
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without an off switch.
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of a catapult key the force will have a certain
magnitude for a certain time (much easier than for a certain distance).
It's important to remember that the FDM doesn't know a ship from Shinola.
Dave
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ss bar in the middle of the screen.
3) An hour-glass cursor?
4) A message box "Scenery Loading. Stand By..."
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ing a periodic altitude
adjustment to the ship's location. That's the easy part.
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.net/~davidculp2/saratoga_SFO_bay.jpg
The static one is part of the scenery. The moving one is an instance of
FGAIShip, one of the AI object types.
Dave
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e pitch vary wildly until the frame-rate settles down.
Anyone else seeing this?
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On Wednesday 30 June 2004 10:09, thraloc wrote:
> The true about flight history!!!
... and then there's this:
http://www.first-to-fly.com/History/History%20of%20Airplane/santos_dumont.htm
Dave
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Here's a screenshot of refueling (a 737 and T-38 ???)
http://home.comcast.net/~davidculp2/refuel.jpg
I've added a green light between the fuel guages that illuminates when you're
within the refueling envelope. Useful for testing the envelope.
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(non-improved) GE powered MD11's could do. :-)
Aeromatic got lucky.
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to subtract off the
> real value so it reads 0.00 at the touch down point.
I've never seen a negative DME, and I don't think it's possible to see one.
As far as I know (I'll confirm today at work) there is no requirement that the
DME read zero at touchdown.
Dave
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the
tanker's 3D model appears to jump in about 50 foot leaps, probably due to
seperate renderer threading? I don't know enough about the graphics side of
things to fix that bit.
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hear, isn't it?
The effect looks very exaggerated, probably because it happens too quickly.
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u're seeing. I don't think it was
ever resolved though.
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evel mailing list
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On startup with --disable-sound I still get what sounds like an inner marker
sound for about four seconds. After that the sounds are disabled.
CVS FlightGear, as of yesterday.
Built with g++ (GCC) 3.3.2 (Mandrake Linux 10.0 3.3.2-6mdk)
Dave
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t AIModel config files reside in data/Data/AI and
data/Data/AI/FlightPlans.
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Just did a SimGear/FlightGear/JSBSim CVS build and see the following debugging
console output left in:
dist = 1.54278
bias = 2
dist = -0.457218
dist = 1.54243
bias = 2
dist = -0.457567
etc ...
Look familiar to anyone?
Dave
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ee an AI count of 3, but only the boat and one airplane show in
the property browser. After the airplanes terminate, the AI count goes to 1,
but the airplane[1] properties remain.
I'll investigate some more. Thanks for the report.
Dave
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****
Dav
> > I hope this doesn't offend anyone's sensitivities, but from a purely...
>
> Only because it's from fox news.
> Don't bother wasting time on a reply, just eat shit Tex.
Jeez, shouldn't there be a minimum age for posting to this list?
Dave
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or Yasim, I tried the A-10, but it either sits on its tail, or bounces
continualy on its gear. Maybe I have an old config.
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Which FDM(s)?
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er shows the property is true even after being set to
false. The audio button properties for the other radios retain the values
set at the command line.
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__
e it is setting the correct
> property name under the correct circumstances.
FGNavCom::update() looks like it handles the audio_btn correctly, but I think
it is being overridden every time FGNavCom::search() is called?
Dave
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**
The property /radios/nav[n]/audio-btn seems to have no effect on whether the
nav ident is audible (it's always on). Has this ever worked?
Dave
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ngines are running
4) any point masses you added are symmetrical about the x-axis
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the problem is not lift
but rather elevator authority (or CG location). Did the airplane rotate at a
reasonable speed?
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oing to first implement the multiple-thrusters-per-engine
change, so that the turbine's output could be sent partly to the propeller
and partly to a nozzle. But it would be a few days before I could get to it.
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The Piston and Electric models use PowerRequired and return horsepower.
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. As a result, the best way to
model a turboprop is to use a turbine with a direct thruster, and adjust the
thrust table to simulate a propeller (see the OV-10).
Dave
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g time to figure out where aeromatic is failing, as
the values look plausible.
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ot yet set the values appropriately.
If I understand the VRP correctly, for almost all the airplanes the VRP
location will be 0 0 0
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you want.
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ng routine it does at start-up. No
shortcuts are allowed.
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T38 using the menu item "Location | Position Aircraft (on ground)", and this
works every time. Is there a different reset function? If so, then the
answer might be in the code attached to the above menu item.
Dave
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David Culp
d
> On the flip side though, there's nothing in the upcoming release that
> requires or uses this patch; I don't see any benefit worth muddying up
> the water this close to a release.
Missed it by a milimeter ...
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davidc
velopers can sneak it in :)
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age" made up?
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but hopefully
someone who knows Airbus or other systems can add some info.
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of n1-hold (target = idle).
If all this, and more, can be done with nasal then that's great.
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so many days playing
with it, so C++ would be most efficient for me.
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ck of
the various autoflight modes and to automatically switch from one to another.
For instance, switching from level-change to altitude-capture, and from
approach mode to autoland mode, to name two examples.
Dave
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ers would never know the
capabilities exist, or how to activate them.
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> The problem there is that whitespace is allowed in filenames on some OS's,
> so we'd have to escape it, and things would get fairly messy.
Thanks Dave, I'll just keep the autothrottle stuff separate and leave the
rest where it is. That'll do.
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would be a last resort)?
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I'm getting alot of this: "Alert: catching up on tile delete queue"
on the console, in "quiet mode", while flying the T-38. There doesn't seem to
be any effect on the sim, though. Is there a way to make this go away?
Dave
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lse initializes.
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The problem is that the script is executed while the aircraft's heading is
still zero, prior to it being oriented with the runway. Is there a way to
have the script execute only after the aircraft is aligned with the runway?
Dave
--
D
t committed that are required. The autothrottle works pretty well
> too. The alt hold/gs/vs has some problems so that will be next.
Thanks, I'll hold off the 737 then.
Dave
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Has anybody completed an autopilot config using the new xmlauto that he
considers finished?
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elease.
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, or
orbit in a circle.
Other AI screenshots:
http://home.comcast.net/~davidculp2/concorde_t38.jpg
http://home.comcast.net/~davidculp2/KC135-002.jpg
http://home.comcast.net/~davidculp2/refueling2.jpg
http://home.comcast.net/~davidculp2/tanker3.jpg
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****
David Cu
mal would be created by calling
int FGAIManager::createThermal( lat, lon, strength, diameter);
The return value is a unique ID for that AI object. To destroy the thermal
you call:
void FGAIManager::destroyObject( id );
Dave
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hermals will behave uniformly no matter who or what calls for their
creation. The properties "strength-fps" and "diameter-ft" are at the
creator's discretion.
Dave
--
*
much. Enough to soar a long distance? I'm guessing yes.
I'll give more specifics once the files are in CVS.
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