Re: [Flightgear-devel] Paraglider model

2004-03-01 Thread Gunnstein Lye
On Saturday 28 February 2004 22:00, Gunnstein Lye wrote: > On Saturday 28 February 2004 21:49, Gunnstein Lye wrote: > > On Saturday 28 February 2004 00:16, David Culp wrote: > > > --aircraft=paraglider-jsbsim > > > > > > Just remember to change the paths of course. > > > I have no experience in par

RE: [Flightgear-devel] Paraglider model

2004-03-01 Thread Jon Berndt
> I'm a bit concerned about the physics model of flightgear. Are there certain > physical limitations built into the sim, that makes paraglider physics > impossible to model? I'm thinking particularly about the pendulum effect. Of > course, everything is possible when you have access to the source

Re: [Flightgear-devel] Paraglider model

2004-03-01 Thread David Megginson
Jon Berndt wrote: If neither of the two (YASim and JSBSim) are appropriate for your expectations, you can code a special flight model in C within LaRCSim or perhaps set up a special model in UIUC-LaRCSim, although I am not very familiar with that. Right, but that's roughly equivalent to writing yo

Re: [Flightgear-devel] another segfault, ATC.hxx

2004-03-01 Thread David Luff
On 2/28/04 at 5:50 PM Jorge Van Hemelryck wrote: >Default : 120.5/118.85, 118.3/133.77, but I was at LFMI, not KSFO... I >did have a message saying > >ERROR - can't get a tower pointer from tower control for LFMY in >FGAILocalTraffic::GetAirportDetails() :-( > >just before the segfault, but I ha

Re: [Flightgear-devel] Paraglider model

2004-03-01 Thread Jon S Berndt
On Mon, 01 Mar 2004 07:46:16 -0500 David Megginson <[EMAIL PROTECTED]> wrote: Jon Berndt wrote: If neither of the two (YASim and JSBSim) are appropriate for your expectations, you can code a special flight model in C within LaRCSim or perhaps set up a special model in UIUC-LaRCSim, although I am

Re: [Flightgear-devel] Paraglider model

2004-03-01 Thread Gunnstein Lye
On Monday 01 March 2004 13:28, Jon Berndt wrote: > > I'm a bit concerned about the physics model of flightgear. Are there > > certain > > physical limitations built into the sim, that makes paraglider physics > > impossible to model? I'm thinking particularly about the pendulum effect. > > Of cours

Re: [Flightgear-devel] Paraglider model

2004-03-01 Thread David Megginson
Jon S Berndt wrote: Good point. I was just pointing out that sometimes code changes are required for special needs, such as in the icing studies done using UIUC-Larcsim. I would think we ought to be able to model a paraglider within JSBSim as it is, currently, but I haven't had time to think a

Re: [Flightgear-devel] Paraglider model

2004-03-01 Thread Andy Ross
David Megginson wrote: > Jon Berndt wrote: > > If neither of the two (YASim and JSBSim) are appropriate for your > > expectations, you can code a special flight model in C within LaRCSim or > > perhaps set up a special model in UIUC-LaRCSim, although I am not very > > familiar with that. > > Right,

Re: [Flightgear-devel] Paraglider model

2004-03-01 Thread Gunnstein Lye
On Monday 01 March 2004 18:19, Andy Ross wrote: > There shouldn't be anything really weird about a paraglider. The big > differences from airplane behavior are due to funny mass distribution: > the engine acts near the c.g., but the lift and drag are rather high > above it. My guess this is the s

Re: [Flightgear-devel] Cloud movement

2004-03-01 Thread Andy Ross
David Megginson wrote: > Arnt Karlsen wrote: > > ..ahem, _not_; wave lift sometimes cause static clouds over and > > downwind of mountain ridges, in some cases you can fly backwards > > thru these clouds. ;-) > > I'm trying to think this one through. It's a condensation effect. The air gets carr

Re: [Flightgear-devel] Cloud movement

2004-03-01 Thread Andy Ross
Arnt Karlsen wrote: > ..ahem, _not_; wave lift sometimes cause static clouds over > and downwind of mountain ridges, in some cases you can fly > backwards thru these clouds. ;-) This is true enough. But I don't think the cloud motion code is trying to model this particular behavior. :) Andy _

Re: [Flightgear-devel] Automatically change a property

2004-03-01 Thread Andy Ross
Lee Elliott wrote: > What I'd like to do is to be able to switch the AP mode from > Glide-slope hold to this new Touch-down mode automatically at a > specified agl-ft. > > Any ideas how I can do this in xml? Probably the best thing to do is write a little nasal code to poll the property at maybe 5

Re: [Flightgear-devel] another segfault, ATC.hxx

2004-03-01 Thread Jorge Van Hemelryck
On Mon, 01 Mar 2004 13:55:43 + David Luff wrote: > This should now be fixed. The cause of the problem was that LFMI and LFMY > have a common tower frequency (122.1), but the commlist code was returning > the first in-range match rather the closest match when initialising the > tower, resultin

Re: [Flightgear-devel] Paraglider model

2004-03-01 Thread Jim Wilson
Gunnstein Lye said: > On Monday 01 March 2004 18:19, Andy Ross wrote: > > There shouldn't be anything really weird about a paraglider. The big > > differences from airplane behavior are due to funny mass distribution: > > the engine acts near the c.g., but the lift and drag are rather high > > ab

Re: [Flightgear-devel] another segfault, ATC.hxx

2004-03-01 Thread David Luff
Jorge Van Hemelryck writes: > On Mon, 01 Mar 2004 13:55:43 + > David Luff wrote: > > > This should now be fixed. The cause of the problem was that LFMI and LFMY > > have a common tower frequency (122.1), but the commlist code was returning > > the first in-range match rather the closest matc

Re: [Flightgear-devel] Compiling under MS visual studio .NET 2003 -Exact errors

2004-03-01 Thread Frederic Bouvier
marco.gugel wrote: > Hi Fred, > I include in attachments a file (buildlog.zip) containing two log files > (BuildLog_FlightGear.htm and BuildLog_simgear.htm) with the build errors. I don't have this version of MSVC, so as you are in an adventurous mood, you should try to experiment by yourself. 1

Re: [Flightgear-devel] another segfault, ATC.hxx

2004-03-01 Thread Jorge Van Hemelryck
On Mon, 1 Mar 2004 21:11:59 + David Luff wrote: > I generated them from the DAFIF data, you (and others) can send > corrections, additions and clarifications to me and I'll store them > and apply them each time the files are regenerated. So far I've only > generated tower and ATIS frequencies