Andy Ross wrote:
Erik Hofman wrote:
Jon S. Berndt wrote:
Erik Hofman wrote:
Christian Mayer wrote:
Jon S Berndt wrote:
In my mind, mass is in kg. and force is in Newtons.
That's correct.
Are you sure [...]?
See?
My bad
Oh, dear. Time for the
Ralph Jones writes:
The C310, like the DC-3, has split flaps. Only the bottom part of the
airfoil hinges down; from above, you can't see them at all. They extend
from the fuselage to the aileron.
I know that the DC-3 has inner and outer flaps, but is it true that
you cannot see the DC-3
Alex Perry writes:
An earlier suggestion was -n for normalized, which is probably the
most accurate (and has the advantage of brevity). Is there any
standard unit abbreviation that conflicts with that and is useful for
flight simulation?
How about tackng -1 on the end ?
That's
Erik Hofman writes:
For some models David seems to have disabled sound (or was already the
case?)
I left it as it was originally, and just changed the property name.
We should probably use the c310 sound config file for the DC-3 until
someone writes us a proper one.
All the best,
David
Andy Ross writes:
I was lazy editing the files, so only the 172 and DC-3 currently
export any properties via control-output tags. I did try these out
against David's (freakishly cool) model animations, though, and they
seem to work really well modulo a few direction/orientation
On Fri, 2002-03-01 at 04:06, David Megginson wrote:
Alex Perry writes:
An earlier suggestion was -n for normalized, which is probably the
most accurate (and has the advantage of brevity). Is there any
standard unit abbreviation that conflicts with that and is useful for
flight
David Megginson wrote:
The only inconsistency left is gear position:
JSBSim: /gear/gear[n]/position
YASim: /gear/gear[n]/position-norm
They both agree on using 1.0 for down and 0.0 for up, though, and
that's good news. As soon as this last problem is fixed, I'll switch
the
--- Erik Hofman [EMAIL PROTECTED] wrote:
David Megginson wrote:
The only inconsistency left is gear position:
JSBSim: /gear/gear[n]/position
YASim: /gear/gear[n]/position-norm
They both agree on using 1.0 for down and 0.0 for
up, though, and
that's good news. As soon as
On Fri, 1 Mar 2002 09:11:28 -0500
James A. Treacy [EMAIL PROTECTED] wrote:
I don't speak for Tony, but my own opinion is that JSBSim
internals will likely always be in English units. However,
it would be prudent for us to allow inputs (via the config
file) and outputs (to the data log or
Erik Hofman writes:
They both agree on using 1.0 for down and 0.0 for up, though, and
that's good news. As soon as this last problem is fixed, I'll switch
the animations over and we'll have smooth flap and gear movement. In
fact, if the FDM people want to get really clever, they
On Fri, 1 Mar 2002 07:15:14 -0800 (PST)
Tony Peden [EMAIL PROTECTED] wrote:
David,
Have a look at c172.xml, you will need to add
a right aileron FCS component to c310.xml
Are we going to need to do this with each aircraft model?
:-(
Will we need to do this with flaps, slats, spoilers,
Curt wrote:
This is an open question ... right now we live off of the X-Plane
data. But, it might be interesting to merge in updated FAA data. I
haven't had time to pursue this. And for the rest of the world, we
are dependant on X-Plane data and trying to get our changes into the
x-plane
Paul Deppe writes:
the fly. I see the airport.btg.gz in the scenery directory but the
.btg
appears to be a binary file and I couldn't find any documentation on the
format of this file.
Bernie wrote:
Use the source! SGBinObject::read_bin() and SGBinObject::write_bin() in
On Fri, 1 Mar 2002 10:37:05 -0600 (CST)
Curtis L. Olson [EMAIL PROTECTED] wrote:
Well, that particular source file is not entirely devoid
of comments. Here's they doxygen html docs for SGBinObject:
That reminds me, I was going to ask you if you were
keeping up the documentation using
Bernie wrote:
Use the source! SGBinObject::read_bin() and
SGBinObject::write_bin() in
simgear/io/sg_binobj.cxx are the ultimate programmers documentation.
Ok, but as the famous programmer Richard III said,
A well-commented source file! A well-commented source file!
My kingdom
This is code is actually part of SimGear, and SimGear is relatively
well doxygenated. We still need to write some sort of top-level
overview, but most of the low level pieces at least have a first pass
at documentation.
http://www.simgear.org
Regards,
Curt.
Paul Deppe writes:
Bernie
Will we need to do this with flaps, slats, spoilers,
elevons, etc.? A left and right component for each one?
:-( :-(
Doesn't that make sense, considering that there are left right
components on the real thing?
g.
--
I'm not crazy, I'm plausibly off-nominal!
http://www.f15sim.com -
D Luff writes:
Could somebody please help me get up to speed on placing
taxiway signage. Is it possible to specify it in an .ind file and then
drop the file into the scenery directory for Flightgear to pick up, or
does the .ind file have to be run through Terragear during scenery
Will we need to do this with flaps, slats, spoilers,
elevons, etc.? A left and right component for each one?
Doesn't that make sense, considering that there are left right
components on the real thing?
And, don't you want to be able to try flying the aircraft with the left
flap
On Fri, 1 Mar 2002 08:54:48 -0800 (PST)
Alex Perry [EMAIL PROTECTED] wrote:
And, don't you want to be able to try flying the aircraft with the left
flap unmovable (because the cable broke) and the right one moving ?
It's a popular failure mode on C172 ...
Malfunctions are a ways down the
David Megginson wtore:
Alex Perry writes:
How about tackng -1 on the end ?
That's nice, but since Tony and Andy have agreed on -norm, we may as
well leave the whole discussion closed.
Oooh, actually I really like -1. Shorter and really obvious. Alas
that it's too late. I weep for
John Check wrote:
Andy Ross wrote:
I did try these out against David's (freakishly cool) model
animations, though, and they seem to work really well modulo a few
direction/orientation conventions. The DC-3 gear do indeed pull up
slowly.
I'm not seeing the slow gear transition.
- Original Message -
From: Andy Ross [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Thursday, February 28, 2002 5:21 PM
Subject: Re: [Flightgear-devel] JSBSim changes
[snip]
This doesn't hold for the blasphemous engineering units. How many
pounds of thrust are required to accelerate
- Capital letters are yellow on black.
- Lowercase letters are black on yellow
- '' and '' get mapped into arrows.
- We don't have a symbol for arrows pointing in other directions.
How about '/' and '\' for diagonal exits, '-' for the '' doublehead ?
And, now I think about it, '$'
On Fri, 01 Mar 2002 10:39:04 -0800
Andy Ross [EMAIL PROTECTED] wrote:
zero. The FDM needs, somehow, to provide this information to the 3D
model, no? Or are you expecting the 3D model code to figure it out on
its own from the /control tree? Wasn't the point of moving to
/surface-positions
D Luff writes:
Yes, thats what I was getting at. I didn't realise he had a name
space though - I was assuming I'd have to make my own database. I
still think I'll have to infact, since the information in Robin's is
very much orientated towards rendering the taxiways and aprons,
rather than
On Fri, 01 Mar 2002 13:00:17 -0600
Jon S Berndt [EMAIL PROTECTED] wrote:
We've always been able to model this kind of stuff,
aerodynamically and control system-wise. My only concern
about all this was that we are being asked to provide
extra information in a particular format (that we won't
Erik Hofman wrote:
David Megginson wrote:
Erik Hofman wrote:
If I see it right, you could do that in the animation files also
by having different factor falues, doesn't it?
Probably, but then the sound wouldn't sync up.
I could change the pitch a bit (changing factor also).
Andy Ross writes:
[on gear/flap sound]
How does this work currently? It strikes me that the right way of
doing sounds for these things would be to check the property value to
see if it is changing and just loop the sound until it stops (maybe
with a start and stop sound to get the
D Luff writes:
Yes, that's basically what I'm planning to do. I keep forgetting
you're a driving sim guy and probably have some very relevant
expertise here. What co-ordinate systems are you using?
That's not a trivial question to answer, why don't I say we are using
the MN state plane
Thanks Erik,
Yes, this worked. It took me awhile to figure out that
the code I had modified was taken out because its function
was replaced by the definitions in the xxx-sound.xml files.
I wanted to make the wind sound stronger and more dependent
on the airspeed. My test pilot told me I ought
On Fri, 1 Mar 2002 20:37:57 -, D Luff
[EMAIL PROTECTED] wrote:
Curt Olson writes:
In driving simulation we have the 3d model of the world, but we also
have something called a 'logical road network.' You don't see the
logical road network visually, but it allows the autonomous traffic to
- Original Message -
From: Curtis L. Olson [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Thursday, February 28, 2002 6:25 AM
Subject: Re: [Flightgear-devel] runway lights tested
Roman Grigoriev writes:
Today I built airport scenery from CVS and seen runway lights
WOW!
looks
One idea for the future I had considered was the 'skymap': An
alpha-chnneled 3D 'overlay' for the terrain showing TMA,
airways, restricted airspace etc.
Yup. It would be valuable for teaching the Class B areas in the USA too.
Just a thought, anyway. Maybe in the far future...
I mentioned
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