Re: [Flightgear-devel] control surface normalization

2004-12-16 Thread Gordan Sikic
Hi, I agree with Norman. As long as control system is of concern, it is much better to use normalized units. surface deflections in degrees, and for good reason: it's natural, it's physical. From the point of view of JSBSim, normalized aerosurface Degrees are not natural, nor physical. We may

Re: [Flightgear-devel] control surface normalization

2004-12-16 Thread Erik Hofman
Curtis L. Olson wrote: I think we are limiting the discussion here to only flying control surface positions, i.e. - left aileron deflection - right aileron deflection - elevator deflection - rudder deflection - nose/tail wheel deflection. I wouldn't like this one to end up in degrees. Not because

[Flightgear-devel] ..can FG be run on graphics card rather than the CPU?

2004-12-16 Thread Arnt Karlsen
Hi ..another way to run code: http://gpgpu.org/ , for a wee quick intro, chk out: http://www.ece.ucdavis.edu/~jowens/talks/owens-hpec04-gpgpu.pdf ..note how they waaail for killer apps. ;-) ..formation flight: http://wwwx.cs.unc.edu/~tgamblin/gpgp/ ;-) ...more gory details:

Re: [Flightgear-devel] New scenery build

2004-12-16 Thread Martin Spott
David Luff wrote: http://mail.flightgear.org/pipermail/flightgear-devel/2002-December/014095.html It requires openGL-1.2 for the patch to take effect, which I don't have on Cygwin. If your SGI is openGL-1.2 capable, then perhaps you could see if it makes any difference on your system?

Re: [Flightgear-devel] Things to do to improve Flightgear

2004-12-16 Thread Jon Stockill
Arnt Karlsen wrote: ..FG-lawfully. ;-) Gamers obviously wanna buzz the White House in an X-15 or in 747 formations, or touch-and-go the Space Shuttle on any nice wee town's drag strip. We have the Shuttle launching? Set it up as a submodel on top of the 747? :-) How about dropping the X-15

[Flightgear-devel] Re: Next release planning ...

2004-12-16 Thread Melchior FRANZ
* Erik Hofman -- Thursday 16 December 2004 14:26: Melchior FRANZ wrote: z-offset-m alias=/sim[0]/chase-distance-m[0]/ In the archives I noticed you had a patch for this. No. I said it's fixed and I'd send you the patch after some more testing. The bug is in the load function, but

Re: [Flightgear-devel] Things to do to improve Flightgear

2004-12-16 Thread Arnt Karlsen
On Thu, 16 Dec 2004 14:28:12 +, Jon wrote in message [EMAIL PROTECTED]: Arnt Karlsen wrote: ..FG-lawfully. ;-) Gamers obviously wanna buzz the White House in an X-15 or in 747 formations, or touch-and-go the Space Shuttle on any nice wee town's drag strip. We have the Shuttle

Re: [Flightgear-devel] control surface normalization

2004-12-16 Thread Curtis L. Olson
Erik Hofman wrote: Personally, I would be in favor of using angles to describe the positions of left/right aileron, elevator, rudder and nose/tail wheel. Please, not for the wheels. Really. It doesn't probably matter too much for 3d animation if your conversion factor get's you close. However,

Re: [Flightgear-devel] Things to do to improve Flightgear

2004-12-16 Thread Oliver C.
On Thursday 16 December 2004 10:38, Thomas Förster wrote: Am Mittwoch 15 Dezember 2004 14:48 schrieb Oliver C.: On Wednesday 15 December 2004 07:35, Paul Surgeon wrote: I hope we either drop PUI (plib's UI) or at least do a major upgrade to it. We use PUI in the menus at the moment and in

Re: [Flightgear-devel] Things to do to improve Flightgear

2004-12-16 Thread Oliver C.
On Thursday 16 December 2004 05:13, Ampere K. Hardraade wrote: A user may be able to access a lot of planes due to his/her experience points, but it will be necessary to pass the tests before he/she can truly unlock these planes. Similarly, a user may unlocked a lot of scenarios, but enough

Re: [Flightgear-devel] control surface normalization

2004-12-16 Thread Gordan Sikic
Hi, Control law block diagrams I have seen take stick input in pounds force (pilot inputs) and output in degrees to actuators. I've never seen one that output control commands to an aerosurface actuator in a range from 0 to 1. Have you? I have seen (and I've seen more than few) control law

Re: [Flightgear-devel] control surface normalization

2004-12-16 Thread Jon S Berndt
On Thu, 16 Dec 2004 11:15:52 -0800 Richard Harke [EMAIL PROTECTED] wrote: A rotation whether in degrees or radians only makes sense if the axis of rotation is specified. This would have to be on a per aircraft basis. Also I'm sure that many if not most control surfaces do not simply rotate

Re: [Flightgear-devel] New scenery build

2004-12-16 Thread David Luff
On 12/16/04 at 12:16 PM Curtis L. Olson wrote: David Luff wrote: I've commited a work-around to the base that wraps all the symetrical runway panels in the v direction (everything except the threshold panel has identical upper and lower borders, and so can safetly be wrapped in v given that

Re: [Flightgear-devel] control surface normalization

2004-12-16 Thread Jon S Berndt
On Thu, 16 Dec 2004 18:21:24 +0100 Gordan Sikic [EMAIL PROTECTED] wrote: I have seen (and I've seen more than few) control law diagrams taking some generalized input (0-1 range), taking target speed, or attitude, or something,... but havent seen any, taking as a input force that pilot has to

[Flightgear-devel] [OT] Spectacular ground transport

2004-12-16 Thread Durk Talsma
Tonight an old  KLM-747 will be shipped through the canals of Amsterdam on it's way from Schiphol Airport (EHAM) to the new Aviodrome (http://www.aviodrome.nl) museum at Lelystad airport (EHLE). I found some pictures at: http://www.ruudleeuw.com/phbuk-15dec04.htm The transport will pass near

Re: [Flightgear-devel] control surface normalization

2004-12-16 Thread Jon S Berndt
On Thu, 16 Dec 2004 20:47:03 - Jim Wilson [EMAIL PROTECTED] wrote: Jon's concern is quite valid, but there are problems. As I work through these concepts in my mind, I can see that although the current method sounds more complicated for the 3D animator, having to deal with the real

Re: [Flightgear-devel] control surface normalization

2004-12-16 Thread Jim Wilson
Jon S Berndt said: Also, ask yourself the question, does the normalized value of, say, 0.5 really correspond to 30 degrees of flaps when the total range is 0 to 60? No telling. How many angles can you discern at 50 meters on a 1600 pixel screen (not to mention 800)? :-) Also, to have

[Flightgear-devel] Regards aircraft 3d modelling and CVS

2004-12-16 Thread Dave Martin
Just a brief question, I'm getting back into 3d modelling and would like to contribute geometry corrections for the C172P (I have a fairly extensive library of photos/drawings for the type). I'm just getting into AC3D as it seems rather pleasant to use compared to my usual tool, Blender,

Re: [Flightgear-devel] control surface normalization

2004-12-16 Thread Gordan Sikic
Hi Jon, I see you are really mad :) Look here at the X-15 data and FCS diagram: http://jsbsim.sourceforge.net/X-15Aero.html The USAF F-16 (Block 40) FCS diagram is the same way: stick force is the input. Same with Space Shuttle control Law diagrams. The JSBSim X-15 model simulates the X-15

Re: [Flightgear-devel] [OT] Spectacular ground transport

2004-12-16 Thread Ampere K. Hardraade
More picutures can be found here: http://www.airliners.net/search/photo.search?regsearch=PH-BUKdistinct_entry=true Ampere On December 16, 2004 03:43 pm, Durk Talsma wrote: Tonight an old  KLM-747 will be shipped through the canals of Amsterdam on it's way from Schiphol Airport (EHAM) to the

Re: [Flightgear-devel] New scenery build

2004-12-16 Thread David Luff
David Luff writes: I guess I'd better go and see what it looks like on an NVidea card now... Well, I've had a very good pan round the Chicago scenery in the ufo with both the old and new materials.xml on a Linux box with a Geforce3, and I can't find a shred of difference in any of the

Re: [Flightgear-devel] [OT] Spectacular ground transport

2004-12-16 Thread Christian Mayer
Well, I can only respond with an air transport: http://www.flugzeugbilder.de/show.php?id=256867 (I haven't scanned my own pictures yet; if you search for Beluga and MUC you'll find lots of pictures on the net) There an A310 (history of this plane:

Re: [Flightgear-devel] [OT] Spectacular ground transport

2004-12-16 Thread Ampere K. Hardraade
On December 16, 2004 06:11 pm, Christian Mayer wrote: Currently I'm trying to convince them to use FlightGear for their visuals... You will need to write a technical report for that. Ampere ___ Flightgear-devel mailing list [EMAIL PROTECTED]

Re: [Flightgear-devel] New scenery build

2004-12-16 Thread Chris Metzler
On Thu, 16 Dec 2004 23:04:30 + David Luff [EMAIL PROTECTED] wrote: Well, I've had a very good pan round the Chicago scenery in the ufo with both the old and new materials.xml on a Linux box with a Geforce3, and I can't find a shred of difference in any of the runways, regardless of

Re: [Flightgear-devel] [OT] Spectacular ground transport

2004-12-16 Thread Dave Martin
Any more background on why the aircraft is being transported this way? The obvious solution to getting the aircraft there would be to fly it in. EHLE has 4,265ft of runway; more than enough to get a 747 down with nil payload and a light fuel load. (A 747 with payload + light fuel can reputedly

Re: [Flightgear-devel] Regards aircraft 3d modelling and CVS

2004-12-16 Thread Dave Martin
On Friday 17 Dec 2004 01:30, Curtis L. Olson wrote: Dave, Is the the default aircraft? The current C172 models are very functional, but pretty basic. They certainly could be spiffed up a bit. I'm not opposed to adding a few polygons if they contribute to the model. Part of the trick of

[Flightgear-devel] PATCH: two changes to data/Aircraft/737/Instruments/pfd2.xml

2004-12-16 Thread Chris Metzler
The first: In going from version 1.3 to 1.4, Melchior Franz noted that there was no /velocities/vertical-speed-fpm property to display, and changed the property referenced to /velocities/vertical-speed-fps, which does exist. But the display should show fpm; so a scale parameter is inserted to

[Flightgear-devel] CVS Build error

2004-12-16 Thread John Wojnaroski
Hi, Building CVs pre-release: FGNozzle.cpp:74: implicit declaration of function 'int JSBSim::snprintf(...)' what's missing? library? upgrade compiler? still running with 2.95.4 Moving up from 0.9.5 which works fine, skipped 0.9.6. Did I miss something that happened in 0.9.6? Regards

Re: [Flightgear-devel] Things to do to improve Flightgear

2004-12-16 Thread Arnt Karlsen
On Wed, 15 Dec 2004 23:13:05 -0500, Ampere wrote in message [EMAIL PROTECTED]: On December 14, 2004 10:39 pm, Oliver C. wrote: What would you think about the following options: - Learn to Fly - Quick Flight - Scenario Flight - Configuration or Settings - Quit Best Regards,

Re: [Flightgear-devel] Things to do to improve Flightgear

2004-12-16 Thread Erik Hofman
Andrew Midosn wrote: It seems slightly odd to me to feel that 'serious' users don't want/need a decent user interface, while gamers do. As a Linux user, and a developer who is happy to use command line tools, I'm certainly not afraid of not having a GUI available. But if someone I'm talking about

Re: [Flightgear-devel] Things to do to improve Flightgear

2004-12-16 Thread Thomas Förster
Am Mittwoch 15 Dezember 2004 14:48 schrieb Oliver C.: On Wednesday 15 December 2004 07:35, Paul Surgeon wrote: I hope we either drop PUI (plib's UI) or at least do a major upgrade to it. We use PUI in the menus at the moment and in my opinion the widgets look absolutely GHASTLY. What

Re: [Flightgear-devel] Things to do to improve Flightgear

2004-12-16 Thread Dave Martin
On Thursday 16 Dec 2004 09:07, Erik Hofman wrote: I'm talking about full-blown simulators here, where there is no keyboard (or mouse) in sight of the visual system and everything has to be done remote, using an instructor station. Often this implies multiple display systems. That's one of the

[Flightgear-devel] Re: Next release planning ...

2004-12-16 Thread Melchior FRANZ
* Melchior FRANZ -- Wednesday 15 December 2004 22:38: fgfs doesn't like *.sav files with property alias (see below). It doesn't really crash, but abort. z-offset-m alias=/sim[0]/chase-distance-m[0]/ fixed. Need to make some more tests before sending to Erik. m.

RE: [Flightgear-devel] control surface normalization

2004-12-16 Thread Jon Berndt
Hi, I agree with Norman. As long as control system is of concern, it is much better to use normalized units. Control law block diagrams I have seen take stick input in pounds force (pilot inputs) and output in degrees to actuators. I've never seen one that output control commands to an

Re: [Flightgear-devel] Re: Next release planning ...

2004-12-16 Thread Erik Hofman
Melchior FRANZ wrote: * Chris Metzler -- Wednesday 15 December 2004 19:15: - attempting to load a saved state from the menu crashes the program. fgfs doesn't like *.sav files with property alias (see below). It doesn't really crash, but abort. z-offset-m alias=/sim[0]/chase-distance-m[0]/

Re: [Flightgear-devel] Things to do to improve Flightgear

2004-12-16 Thread Christian Mayer
Thomas Förster schrieb: Am Mittwoch 15 Dezember 2004 14:48 schrieb Oliver C.: On Wednesday 15 December 2004 07:35, Paul Surgeon wrote: I hope we either drop PUI (plib's UI) or at least do a major upgrade to it. We use PUI in the menus at the moment and in my opinion the widgets look absolutely

Re: [Flightgear-devel] New scenery build

2004-12-16 Thread David Luff
On 12/16/04 at 11:43 AM Martin Spott wrote: David Luff wrote: http://mail.flightgear.org/pipermail/flightgear-devel/2002-December/014095. html It requires openGL-1.2 for the patch to take effect, which I don't have on Cygwin. If your SGI is openGL-1.2 capable, then perhaps you could see

Re: [Flightgear-devel] New scenery build

2004-12-16 Thread Curtis L. Olson
David Luff wrote: On 12/16/04 at 11:43 AM Martin Spott wrote: David Luff wrote: http://mail.flightgear.org/pipermail/flightgear-devel/2002-December/014095. html It requires openGL-1.2 for the patch to take effect, which I don't have on Cygwin. If your SGI is openGL-1.2

Re: [Flightgear-devel] control surface normalization

2004-12-16 Thread Richard Harke
On Thursday 16 December 2004 04:06, Jon Berndt wrote: True, I've seen both. JSBSim has used both, and we accept both, but normalized units are anything but normal - you have to provide a range for it to mean anything, and as far as I can tell, there is no standard here. It's defined on a

Re: [Flightgear-devel] control surface normalization

2004-12-16 Thread Jim Wilson
Richard Harke said: A rotation whether in degrees or radians only makes sense if the axis of rotation is specified. This would have to be on a per aircraft basis. Also I'm sure that many if not most control surfaces do not simply rotate about a single axis but involve sliding motion and

Re: [Flightgear-devel] control surface normalization

2004-12-16 Thread Adam Dershowitz
Pilots are taught to think in terms of pressure on stick not displacement. That is part of the reason that the F-16 is built the way it is. -- Adam Dershowitz, Ph.D., CFI, MEI From: Gordan Sikic [EMAIL PROTECTED] Reply-To: FlightGear developers discussions [EMAIL PROTECTED] Date: Thu, 16

Re: [Flightgear-devel] New scenery build

2004-12-16 Thread Martin Spott
David Luff wrote: It requires openGL-1.2 for the patch to take effect, which I don't have on Cygwin. If your SGI is openGL-1.2 capable, then perhaps you could see if it makes any difference on your system? Hmmm this is IRIX-6.5.22: sirius: 22:33:55 ~ glxinfo display: :0.0 server glx