Re: [Flightgear-devel] Re: [Flightgear-cvslogs] CVS: source/src/Main

2004-02-27 Thread Curtis L. Olson
David Luff wrote: Whilst on the subject of initialisation order, currently the tile manager gets initialised before an initial position is set. This means that it loads a set of tiles centered on lat/lon of 0,0, and then loads a set of tiles at the correct location. In conditions of limited visib

Re: [Flightgear-devel] Stepping and other inquisitions

2004-02-27 Thread Curtis L. Olson
Jorge Van Hemelryck wrote: How interesting... I was just about to ask about this kind of thing. First of all, congrats to Curt and to the mother for the baby. And now to my question. Thanks. :-) Today is a day I'm struggling to get through with very little sleep so hopefully no one will ask me to

Re: [Flightgear-devel] SimGear CVS build error

2004-02-27 Thread Curtis L. Olson
Roy Vegard Ovesen wrote: On Fri, 27 Feb 2004 10:40:39 +0100 (CET), Frederic BOUVIER <[EMAIL PROTECTED]> wrote: A correct solution would be to find out why HAVE_WINDOWS_H is not defined Thanks for the tip! I added "-DHAVE_WINDOWS_H" to my CXXFLAGS environment variable, defining HAVE_WINDOWS_H.

Re: [Flightgear-devel] Stepping and other inquisitions

2004-02-26 Thread Curtis L. Olson
Martin Spott wrote: "Hello Martin, For the time being, we are going to stick with the 0.9.2 version because it works. The protocol we use is the UDP-based external FDM. We form the structure NetFDM as defined in the FlightGear header net_fdm.hxx and then send it to the UDP socket. We had problems i

Re: [Flightgear-devel] Stepping and other inquisitions

2004-02-26 Thread Curtis L. Olson
Martin Spott wrote: Please don't misunderstand me, I'm not an advocate of this company but I can partially follow their move: If there were _one_ network protocol that doesn't picture internal data structures of FlightGear but that was designed with the goal of a universal network protocol in mind,

Re: [Flightgear-devel] Re: [Flightgear-cvslogs] CVS: source/src/Environment

2004-02-26 Thread Curtis L. Olson
Martin Spott wrote: Very wise :-) I'd be a bit concerned that NOAA might close their service if they realize an increasing amount of requests from the same host for the same airfield within a too short timeframe. Wouldn't it make sense to evaluate the timestamp of each dataset and delay the next

[Flightgear-devel] Cloud movement

2004-02-26 Thread Curtis L. Olson
Hi Erik, I'm Flying along at 3500' doing about 115 kias. There's a scattered cloud layer about 800' below me, however, it is outrunning me in the same direction I'm going. This amount of cloud movement can't be right, so I assert there is a bug in the cloud movement code somewhere. Just for

Re: [Flightgear-devel] Cloud movement

2004-02-26 Thread Curtis L. Olson
David Megginson wrote: Curtis L. Olson wrote: I'm Flying along at 3500' doing about 115 kias. There's a scattered cloud layer about 800' below me, however, it is outrunning me in the same direction I'm going. This amount of cloud movement can't be right, so

Re: [Flightgear-devel] Re: Live Weather!

2004-02-24 Thread Curtis L. Olson
Martin Spott wrote: Wouldn't it make sense to put it into a separate thread - similar to the preloading of scenery chunks ? Yup, that and making smooth transitions when the weather does change would be the next two logical steps in the process. Regards, Curt -- Curtis Olson Intelligent Vehicle

Re: [Flightgear-devel] Re: [Flightgear-cvslogs] CVS: data/Airports metar.dat.gz, NONE, 1.1

2004-02-23 Thread Curtis L. Olson
David Megginson wrote: Curtis L. Olson wrote: A simple list of id's of metar stations. We can use this list to mark which airports have corresponding metar data so we don't flood the noaa site with bogus queries. It might be a good idea actually to add lat/lon/elev of each stati

[Flightgear-devel] [Fwd: [Flightgear-cvslogs] CVS: source/src/GUI AirportList.cxx, 1.5, 1.6]

2004-02-23 Thread Curtis L. Olson
Just in case anyone is scratching their heads over this nonsense commit, I think I made a procedural mistake on my end ... missed one change in my commit last night, then had to rechange the file to get it to work correctly this morning. Regards, Curt. -- Curtis Olson Intelligent Vehicles La

Re: [Flightgear-devel] Help with activating route

2004-02-22 Thread Curtis L. Olson
Seamus Thomas Carroll wrote: I am trying to update my autopilot route code to reflect the latest changes. I read a set of points from a table in a database. I used to use globals->get_route()->add_waypoint( *wp ); to add the waypoints and then I would activate the autopilot by calling, globals-

Re: [Flightgear-devel] Re: Live Weather!

2004-02-22 Thread Curtis L. Olson
Erik Hofman wrote: I haven't had any thoughts on how to update the weather while flying around other than the fact that it might be a good idea to have hexagonal cloud chunks each representing (a mix of) the reported cloud base at distant metar stations. Ok, this was just too tempting to not foo

Re: [Flightgear-devel] Re: Live Weather!

2004-02-22 Thread Curtis L. Olson
Erik Hofman wrote: Indeed, the code reads the metar code at startup only. Ok, this is useful enough if you want to shoot approaches to a specific airport. I had it setup to fetch the data every reset (handy for getting the right weather when changing airports, but unfortunately at this time every

Re: [Flightgear-devel] Re: Live Weather!

2004-02-22 Thread Curtis L. Olson
Curtis L. Olson wrote: I'll try and check in my changes shortly. Ok, committed. Now what we *really* need is a mechanism to update weather condtions as we fly based on the nearest weather station. I vote for some sort of simple approach that just warps the values when ever they change.

Re: [Flightgear-devel] Re: Live Weather!

2004-02-22 Thread Curtis L. Olson
David Megginson wrote: Yes, it needs to be cleaned up and properly documented. The idea is that you can have an environment manager that sets the values under /environment as you fly. The hard-coded manager right now uses the /environment/config values; I assume (though I haven't checked) that

Re: [Flightgear-devel] Re: Live Weather!

2004-02-21 Thread Curtis L. Olson
Melchior FRANZ wrote: * Curtis L. Olson -- Sunday 22 February 2004 00:43: Right now KBOS has reduced visibility (2.5 miles), but it's not showing up in FG. Also the temp and pressure and dewpoint is not showing up in FG either. /environment/metar/ is getting populated correctly, but

Re: [Flightgear-devel] Re: Live Weather!

2004-02-21 Thread Curtis L. Olson
Melchior FRANZ wrote: * Curtis L. Olson -- Sunday 22 February 2004 00:43: Right now KBOS has reduced visibility (2.5 miles), but it's not showing up in FG. Also the temp and pressure and dewpoint is not showing up in FG either. /environment/metar/ is getting populated correctly, but

Re: [Flightgear-devel] Re: Live Weather!

2004-02-21 Thread Curtis L. Olson
Melchior FRANZ wrote: Does the weather fetching code address pressure, temperature and visibility? Right now it just appears to be updating clouds and winds. That's what is used and set right now (but only at startup): pressure, temperature, dewpoint, visibility, cloud elevation and coverage, win

[Flightgear-devel] PC Pilot Review

2004-02-21 Thread Curtis L. Olson
This month's edition of PC Pilot (http://www.pcpilot.net) has a nice 6 page review of FlightGear. They include tons of screen shots and say a lot of nice things. I *think* you can find PC Pilot in large bookstores like Barnes and Noble, or you can order online from their site. It's a nice ma

[Flightgear-devel] New baby

2004-02-21 Thread Curtis L. Olson
In case any one is interested, here is what I was up to this week. :-) Born 12 minutes after arriving in the hospital and less than one hour after the first contraction. Yikes! Everyone is doing great. http://www.flightgear.org/~curt/Photos/AmeliaEsther/ Curt. -- Curtis Olson Intelligent

Re: [Flightgear-devel] Re: Live Weather!

2004-02-21 Thread Curtis L. Olson
Melchior FRANZ wrote: how often, does it update as you fly, does it pick the closest airport as you fly, etc. etc.? AFAIK, live weather is only set once for the start airport, and never updated. This may change in the future. :-) I notice that the cloud layers are moving. At one point it almo

Re: [Flightgear-devel] Live Weather!

2004-02-21 Thread Curtis L. Olson
Erik Hofman wrote: Thanks to Melchior I and David M. I was able to implement live weather support in FlightGear today. For now it can be used by specifying: --prop:/environment/params/real-world-weather-fetch=true Erik, do you have any further explanation of this feature ... where does it get t

Re: [Flightgear-devel] For Curt: Aviation Scatology

2004-02-20 Thread Curtis L. Olson
David Megginson wrote: In honour of Curt's return to changing diapers, here's an aviation-related scatological story: http://www.salon.com/tech/col/smith/2002/10/03/askthepilot13/index.html Maybe I should put up a web page for all my personal scatological stories (along with pictures.) :-) Cu

[Flightgear-devel] Baby

2004-02-18 Thread Curtis L. Olson
Hi, quick announcement ... baby! Amelia Esther, 8lbs 1oz, born 6:12am this morning, less than 1 hour from first contraction to delivery. 12 minutes from arrival at the hospital to delivery. Everyone is doing good. I'll be pretty much offline for a couple days. If I have any pending business

Re: [Flightgear-devel] 3D Panel Instruments

2004-02-15 Thread Curtis L. Olson
Erik Hofman wrote: I get a permission denied. This has to wait until Curtis fixes this. Hi, the directory group ownership should be updated. If you remember which files need their tags changed, you should be able to go ahead and change them now. Regards, Curt. -- Curtis Olson Intelligent Veh

Re: [Flightgear-devel] Installing scenery helper app.

2004-02-15 Thread Curtis L. Olson
Frederic Bouvier wrote: For the moment, libtar is not compilable with MSVC. There are a lot of unix specific typedef and include files that are not in the compat library. There are patch for win32 but I think they assume CygWin. Anyone know of any alternate tar extraction libs? Curt. -- Curtis Ols

[Flightgear-devel] Installing scenery helper app.

2004-02-15 Thread Curtis L. Olson
Installing scenery can be a bit of a chore for people who are new to our project and don't know exactly how everything is supposed to be layed out on disk. This weekend I've hacked up a little helper app that is intended to be a "sibling" to Bernie's fgrun. I've tentatively called it "fgadmin"

[Flightgear-devel] Portable unlink() / rmdir()

2004-02-14 Thread Curtis L. Olson
Honest, I'm not writing a windows virus here. :-) I am working on an fltk app to make it easier to install / uninstall 10x10 .tar.gz scenery chunks. I have the install part mostly working (via libtar / libz) so now I am looking at uninstalling. For unix I can do a depth first traversal of the

Re: [Flightgear-devel] Aerodynamic centre and 3D models

2004-02-14 Thread Curtis L. Olson
Norman Vine wrote: I certainly hope you are not planning on publishing the 'position' as reported by the FDM for things like collision detection and related instrumentation such as a radar display with out some kind of 'adjustment' No-digging-necessary'ly-yr's Collision detection could be an intere

Re: [Flightgear-devel] XML SCripting

2004-02-14 Thread Curtis L. Olson
Tony Peden wrote: PS. I'm just wondering if you have any thoughts on my earlier question, i.e. whether what's being patented has to be something non-obvious? Amazon: One-click ordering. I think the answer is no. Even if it's something that has to be non-obvious, that only means you have to conv

Re: [Flightgear-devel] Re: [Flightgear-cvslogs] CVS: data/Aircraft/pa28-161/Models

2004-02-11 Thread Curtis L. Olson
David Megginson wrote: Thanks -- that did the trick. The plane is actually flying well, and I'm starting to feel tempted to go back and do more work to make it a fully-usable alternative to the [EMAIL PROTECTED]@#na 172 -- after all, it would be nice for users to be able to fly a light single w

[Flightgear-devel] Curt's job for Feb - Mar.

2004-02-10 Thread Curtis L. Olson
I want to share some news that I'm very excited about. For February and March I am being paid 50% time by ATC Flight Simulators (http://www.atcflightsim.com) to do some work for one of their specific projects. They are building several simulators for a customer that will be a combination of th

[Flightgear-devel] External [perl] scripting

2004-02-10 Thread Curtis L. Olson
If anyone is interested in creating external scripts to remotely drive or monitor FlightGear, I have committed some convenience functions (perl) to cvs. For some time we have had a telnet.pl script which takes care of the tricky bits of interfacing to a remote copy of FlightGear. This gives you

Re: [Flightgear-devel] [PATCH] xmlauto.cxx for ils following

2004-02-08 Thread Curtis L. Olson
Martin Spott wrote: With other words: Kalman filters enable you exact guessing of the picture where mathematical equations don't do the job because you have too many unknown parameters compared to the number of input sources. I believe the autopilot mailing list archive contains a lot of useful exp

Re: : [Flightgear-devel] 3D aircraft model

2004-02-08 Thread Curtis L. Olson
Vivian Meazza wrote: My model of the Hawker Hunter has been forwarded to Curt off-list. It’s not quite finished: in fact there’s quite a bit that could be done, but it’s quite usable. I look forward to any comments or suggestions for improvements you might have. The Hawker Hunter has been commit

Re: [Flightgear-devel] [PATCH] xmlauto.cxx for ils following

2004-02-08 Thread Curtis L. Olson
Norman Vine wrote: My guess is that at some point Kalman filters with revolutionize FlightGear's simulated control systems very much like they have revolutionized control systems in the 'modern' world :-) Kalman filters are generally for filtering noisy / imprecise sensor input, estimating sense

Re: [Flightgear-devel] flightgear rpm package modularity

2004-02-08 Thread Curtis L. Olson
Hi Richard, I think I generally agree with Eric. And as long as there aren't any upstream implications for the FlightGear project, there's really no reason why you can't split things up any way that makes sense. If it were purely my decision, I'd split up the FlightGear project downloads into

[Flightgear-devel] FlightGear review

2004-02-06 Thread Curtis L. Olson
There is a nice review of FlightGear on http://lockergnome.com. I couldn't find it at first until I looked in the web site referrers list. The direct link is here: http://channels.lockergnome.com/windows/ This may be one of those sites where older stuff is pushed towards the bottom and e

Re: [Flightgear-devel] [OT] Commercial Ticket..

2004-02-05 Thread Curtis L. Olson
David Megginson wrote: Andy Ross wrote: Windmill (i.e. zero torque) speed is 450 RPM. Windmill drag at that speed is 47N, about 10.5 pounds of force, or about 5 equivalent horsepower at that airspeed. When you shut down the engine in YASim, the propeller does not windmill -- it just slowly spi

Re: [Flightgear-devel] xmlauto calculations, part deux

2004-02-05 Thread Curtis L. Olson
David Culp wrote: When I zero out my integral and derivative terms, it seems that the proportional term is doing nothing. This can happen because of the anti-integrator wind up logic. If the magnitude of the proportional output is outside of the min/max range, it get's set to zero. In these ca

Re: [Flightgear-devel] xmlauto calculations

2004-02-05 Thread Curtis L. Olson
David Culp wrote: In xmlauto.cxx, from line 456: // Calculates proportional error: ep_n = beta * r_n - y_n; if ( debug ) cout << " ep_n = " << ep_n; if ( debug ) cout << " ep_n_1 = " << ep_n_1; // Calculates error: e_n = r_n - y_n; if ( deb

Re: [Flightgear-devel] [OT] Commercial Ticket..

2004-02-04 Thread Curtis L. Olson
Andy Ross wrote: Curtis L. Olson wrote: The real fun comes from practicing with only one engine running [...] There are some real world effects that are important for training which I don't think we model well on existing twins. The main one that comes to mind is that with an engine out the

Re: [Flightgear-devel] [OT] Commercial Ticket..

2004-02-04 Thread Curtis L. Olson
Jon Berndt wrote: On a related note, I'd like to figure out how to make FlightGear more useful for ME practice -- I don't think either of the main FDM's does a very good job on single-engine, but I don't have any real experience to compare them with. ?? This is confusing on several fronts. You d

Re: [Flightgear-devel] new autopilot - heading hold

2004-02-04 Thread Curtis L. Olson
David Culp wrote: Beat me to it :) Here are two other calculations you'll need, vertical speed error and mach error. Hi David, The reason we needed extra special handling of heading errors is that to drive the PID module we want the error to be +/-180. Without some sort of hack you could have

Re: [Flightgear-devel] new autopilot - heading hold

2004-02-04 Thread Curtis L. Olson
Jim Wilson wrote: "Curtis L. Olson" <[EMAIL PROTECTED]> said: Jim Wilson wrote: That sounds like it might be the right way to do it. Is it better to use a general flag like that or to have one that is specific to indicated heading as in the old autopilot code? Does this work f

Re: [Flightgear-devel] New Autopilot Documentation

2004-02-04 Thread Curtis L. Olson
Jim Wilson wrote: It is indeed! Is the altitude hold working for you? I'm finding that the first stage is outputing values that ocilate from max to min and back in probably 5 or 6 (not timed yet) cycles. Anyway, I haven't looked at the code or adjusted any of the parameters yet. I just wanted t

Re: [Flightgear-devel] new autopilot - heading hold

2004-02-04 Thread Curtis L. Olson
Jim Wilson wrote: That sounds like it might be the right way to do it. Is it better to use a general flag like that or to have one that is specific to indicated heading as in the old autopilot code? Does this work for the designers (Curt et al), using configuration properties to manipulate the beh

Re: [Flightgear-devel] new autopilot - heading hold

2004-02-03 Thread Curtis L. Olson
Jim Wilson wrote: Roy Vegard Ovesen <[EMAIL PROTECTED]> said: The obvious thing you missed is the fact that newauto.cxx is no longer used, it has been removed from the makefile. So many of the properties under "/autopilot/config/" do no longer apply. Yes, but that doesn't solve the problem.

Re: [Flightgear-devel] 3D aircraft model

2004-02-02 Thread Curtis L. Olson
Vivian Meazza wrote: I'll try to put it on a vertex reducing diet - what is a reasonable target? It's a very complex model though, with a number of moving parts. Once I've cleaned it up a bit, I'll send it to Curt off list - it'll be a few days though. Vivian, for a first release I wouldn't worry

Re: [Flightgear-devel] New Autopilot Documentation

2004-02-02 Thread Curtis L. Olson
Richard Bytheway wrote: A question. When defining a cascade controller, is it important that the early stages of the controller go before the later stages in the config file? Yes, this is the optimal arrangement. > Alternatively, do the individual PID controllers get processed in the order they ap

Re: [Flightgear-devel] 3D aircraft model

2004-02-02 Thread Curtis L. Olson
Vivian Meazza wrote: I've been amusing myself for the last couple of months creating a 3d model of the Hawker Hunter. It's as accurate as I can make it, with a few minor fudges for YASIM. Some views are at: http://myweb.tiscali.co.uk/vmeazza/FlightGear/fgfs-screen-004.jpg http://myweb.tiscali.c

[Flightgear-devel] New Autopilot Documentation

2004-02-01 Thread Curtis L. Olson
Roy Vegard Ovesen wrote: I've slapped together a short document on controller tuning. [ snip ] Thanks Roy! For everyone: I've integrated this into a larger document which attempts to explain the basic ideas behind control theory and then describes the specific PID algorithm we have implimented

Re: [Flightgear-devel] CVS Compile

2004-02-01 Thread Curtis L. Olson
Hi John, Try configuring with out the -with-weathercm option. Someone might need to go in and do some clean up there possibly. Curt. John Wojnaroski wrote: It's me again ;-) There has been a fix applied to both configure.ac and src/Cockpit/panel.cxx. Make rue those files are up to date and

Re: [Flightgear-devel] CVS Compile

2004-02-01 Thread Curtis L. Olson
Fred, I just committed a variation of this (assuming I understood the problem correctly hopefully this will fix it.) Otherwise just holler. Curt. Frederic Bouvier wrote: John Wojnaroski wrote: There has been a fix applied to both configure.ac and src/Cockpit/panel.cxx. Make rue those files a

Re: [Flightgear-devel] Autopilot update.

2004-01-31 Thread Curtis L. Olson
Frederic Bouvier wrote: Small glitch at run time : route = 0D7673D8 Failed to load autopilot configuration: fgfsbase/Aircraft/Generic/generic-autopilot.xml CVS Updated and no generic-autopilot.xml Gaahhh! I swear I added that file. Ok, it's there now. Sorry about that. Curt. -- Curtis Olson I

Re: [Flightgear-devel] Autopilot update.

2004-01-31 Thread Curtis L. Olson
Norman Vine wrote: Hmm... 1 hour 08 minutes on a weekend Was any discussion really wanted :-) Being a volunteer and doing this on weekends and evenings, I've got to move quickly when I do get the chance. I've been working hard on this and trying to factor in comments and suggestions made o

Re: [Flightgear-devel] Autopilot update.

2004-01-31 Thread Curtis L. Olson
David Culp wrote: Comments? Any objections to committing my updates? It looks great, and I think the sooner it gets commited the better, so we'll have plenty of time to work with it before 0.9.4. I already have a wish list :) mach hold, and vertical speed hold. Ok, it's been at least an hour a

Re: [Flightgear-devel] Autopilot update.

2004-01-31 Thread Curtis L. Olson
Jon Berndt wrote: Yes this is where it gets complicated. There are modes that are obviously relevant to mere flight dynamics, such as attitude hold, heading select, wings level, terrain following, etc. -- and even these use *sensor* inputs as opposed to actual FDM aircraft state data. The other mo

Re: [Flightgear-devel] Autopilot update.

2004-01-31 Thread Curtis L. Olson
Jon Berndt wrote: Does this make it any easier to bypass the FlightGear autopilot (and perhaps soon-to-exist) FCS system, so the FDM could provide this functionality, if desired - perhaps by simply not including an autopilot/FCS file or definition through your new method? This is very important to

[Flightgear-devel] Autopilot update.

2004-01-31 Thread Curtis L. Olson
I'm tempted to commit my autopilot changes to cvs. Here's what I have done so far. - I've implimented Roy's suggested PID algorithm. Compared to what we had, this algorithm is better behaved, is much more configurable, and much more tunable. It can be made to do a much better job of easing in

Re: [Flightgear-devel] test

2004-01-30 Thread Curtis L. Olson
Andy Ross wrote: [EMAIL PROTECTED] wrote: Mail transaction failed. Partial message is available. Oh no! Curt's infected. We have to kill him now. Is that Oregon's answer to affordable universal health coverage? :-) Curt. -- Curtis Olson HumanFIRST Program FlightGear Project

Re: [Flightgear-devel] Question about the threaded tile loader

2004-01-30 Thread Curtis L. Olson
Martin Spott wrote: "Curtis L. Olson" <[EMAIL PROTECTED]> wrote: Occasionally, a tile can reference 3d models that require calling ssgLoadXYZ() ... things like building, bridges, etc. When the threaded tile loader runs into any of these, it will push the object onto a separat

Re: [Flightgear-devel] BUG: Fog disappears when looking towards sun

2004-01-29 Thread Curtis L. Olson
David Luff wrote: There seems to be a problem with the fogging on my machine (Linux, NVidia card). When the sun is in, or just out of, the field of view, the fog disappears and visibility is perfect. This is most easily seen by starting at dawn or dusk, and with a low visibility (eg 5000), climb

[Flightgear-devel] [OT] Ventura publisher (really old)

2004-01-28 Thread Curtis L. Olson
Ok, I'm abusing my powers here to ask a really [OT] question. If anyone objects, you definitely wouldn't be out of line. But it's easier to ask forgiveness than permission, right? :-) I have some really old, as in ancient ventura publishing files that I'd be interesting at cracking open and a

Re: [Flightgear-devel] Question about the threaded tile loader

2004-01-28 Thread Curtis L. Olson
David Luff wrote: Could someone please clarify my understanding of the threaded tile loader? I'll take a stab at it. :-) My initial pre-conception before reading the code was that the loader thread would simply load the data from disk, and pass off a memory buffer containing an image of the disk c

Re: [Flightgear-devel] New autopilot

2004-01-28 Thread Curtis L. Olson
Roy Vegard Ovesen wrote: I don't think this should be part of the PID algorithm. I think we should use your hack and apply it to the setpoint to the v/s or pitch. This means that we need some sort of if ... then functionality. I just started looking at Nasal, and I think that could be used for s

Re: [Flightgear-devel] New autopilot: Propulsion only FCS

2004-01-27 Thread Curtis L. Olson
Jon Berndt wrote: My understanding is that they will be doing a lot of thrust vectoring ... lots of research is/has been done in that area. Curt. No. This paper describes tests on a B-747, C-17, and MD-11 using propulsion only: http://www.dfrc.nasa.gov/DTRS/1999/PDF/H-2331.pdf Differential thrus

Re: [Flightgear-devel] New autopilot

2004-01-27 Thread Curtis L. Olson
Lee Elliott wrote: Just a bit more grist for the mill - as if it were needed:) One of the type of up-coming generations of a/c are likely to be controlled by thrust alone. No moving control surfaces and probably tailess. What I haven't figured out yet is if the concept's relying upon a very sim

Re: [Flightgear-devel] Can we ban outlook users from the list?

2004-01-27 Thread Curtis L. Olson
Cameron Moore wrote: Yes, we can actually. Just filter out this in Mailman: ^X-Mailer:.*Outlook Problem solved. ;-P Must fight ... the ... urge ... to ... Disclaimer. We love our outlook users, just not the virus and security problems that seem to plague this particular piece of soft

Re: [Flightgear-devel] Can we ban outlook users from the list?

2004-01-27 Thread Curtis L. Olson
Jim Wilson wrote: Just a thought :-) I got lectured once in a job interview (that obviously did not go well for me.) The interviewer didn't like my answer on the future of computer security. He asserted that in 6 months (this was > 10 years ago) that all security problems would be solved becau

Re: [Flightgear-devel] New autopilot

2004-01-27 Thread Curtis L. Olson
Roy Vegard Ovesen wrote: On Mon, 26 Jan 2004 13:13:44 -, Richard Bytheway <[EMAIL PROTECTED]> wrote: That would be the responsibility of the autopilot designer. If he/she designed a control structure that used two separate controllers that acted on the ailerons, that would be his/her problem.

Re: [Flightgear-devel] New autopilot

2004-01-27 Thread Curtis L. Olson
Innis Cunningham wrote: This is what I dont understand what is wrong with the current system which can do heading,V/S,wing leveler,vor/loc(nav),approach,and autothrottle are these not accurate enough?. Also how much more computing power will be required for what ever extra detail may be involved.A

Re: [Flightgear-devel] Possible typo in tilemgr.cxx line 180

2004-01-26 Thread Curtis L. Olson
David Luff wrote: tilemgr.cxx contains the following block of code (lines 178 - 181): xrange = (int)(vis / tile_width) + 1; yrange = (int)(vis / tile_height) + 1; if ( xrange < 1 ) { xrange /= 1; } if ( yrange < 1 ) { yrange = 1; } It looks to me like there might be a stray / sign

Re: [Flightgear-devel] XGL

2004-01-24 Thread Curtis L. Olson
Erik Hofman wrote: Well, here is a standard that *you* can actually try to influence ... BTW. XML makes extending the existent layout without influencing the previous versions possible by nature. All that would need to happen is for someon to write a plib reader/writer for the xgl format and then

Re: [Flightgear-devel] XGL

2004-01-23 Thread Curtis L. Olson
Martin Spott wrote: Erik Hofman <[EMAIL PROTECTED]> wrote: I just read about an XML based 3d file format: http://www.xglspec.org/ We might want to keep an eye on that. I must admit that I didn't understand the advantage over existing 3D object/scene description file formats, I wonder if this is

Re: [Flightgear-devel] enrty and exit points of main loop

2004-01-23 Thread Curtis L. Olson
Snyder Adam D Civ AFRL/VACD wrote: Not really, I just need to find a way to clean-up when I am finished. Here's one option. If you put all your code inside a class, then you should be able to put your clean up stuff into the class destructor. That should automatically be called when the program

Re: [Flightgear-devel] Proposed change to Terrain Following control

2004-01-22 Thread Curtis L. Olson
Lee Elliott wrote: I've been giving quite a bit of thought to look-ahead algorithms for terrain following. The most straight forward way would be to take a number of look-ahead samples each frame, and simply take the highest point as the target alt. Taking a lot of samples each frame can't be

Re: [Flightgear-devel] Proposed change to Terrain Following control

2004-01-22 Thread Curtis L. Olson
David Culp wrote: This thread is scaring me. I hope we aren't deciding to hard-wire the autoflight inputs from panel instrument output? The input choice will be strictly optional, right? Figures, I just finished screwing the cowl back on ... The whole point of defining the autopilot via xml is

Re: [Flightgear-devel] Proposed change to Terrain Following control

2004-01-22 Thread Curtis L. Olson
Roy Vegard Ovesen wrote: And I firmly believe that we _should_ use the instrument values because in my mind using /position/... and /velocities/... would be "cheating", theese perfect values are _not_ available in the real world. I definitely agree. We should have instrument values well modeled

Re: [Flightgear-devel] Proposed change to Terrain Following control

2004-01-21 Thread Curtis L. Olson
Roy Vegard Ovesen wrote: Let me share my thoughts about the autopilot: * I would like to see the autopilot move from c++ code into the instrument configuration xml-files. This is my general plan. Right now I have the autopilot config in a separate .xml file * The autopilot should get input fro

Re: [Flightgear-devel] Changing a model format

2004-01-20 Thread Curtis L. Olson
Tim Jelliffe wrote: Hi guys, I have a general question regarding the creation of a model. I have been working on creating a model of a Learjet 55, using CATIA V5. This is mainly because I used this during my degree and am basically familiar with it. I am also determined to have a model which i

Re: [Flightgear-devel] Proposed change to Terrain Following control

2004-01-20 Thread Curtis L. Olson
Lee Elliott wrote: Hello All, I'd like to propose a change to the way that the Terrain Following (TF) agl value is set and controlled. Currently, when TF mode is selected, the current a/c agl value is used but I'd like to change this so that this value is set, and can be changed via the proper

Re: [Flightgear-devel] [Fwd: Linux User & Developer Expo 2004]

2004-01-20 Thread Curtis L. Olson
David Culp wrote: On Wednesday 14 January 2004 08:29 am, Curtis L. Olson wrote: FlightGear has been offered free .org booth space and a possible speaker slot at the Linux User & Developer Expo 2004. This is Oct 20-21 at the Olympia Exhibition Centre in London, UK. You don't necessaril

Re: [Flightgear-devel] IRC

2004-01-19 Thread Curtis L. Olson
Arnt Karlsen wrote: On Mon, 19 Jan 2004 15:21:24 -0600, "Curtis L. Olson" <[EMAIL PROTECTED]> wrote in message <[EMAIL PROTECTED]>: For any of you interested in doing IRC, Nic Fischer has given us a channel on his IRC server. Just connect up to irc.flightgear.org an

[Flightgear-devel] IRC

2004-01-19 Thread Curtis L. Olson
For any of you interested in doing IRC, Nic Fischer has given us a channel on his IRC server. Just connect up to irc.flightgear.org and join the #flightgear channel. Regards, Curt. -- Curtis Olson Intelligent Vehicles Lab FlightGear Project Twin Cities[EMAIL PROTECTED]

Re: [Flightgear-devel] Re: Problems compiling plib

2004-01-17 Thread Curtis L. Olson
Christopher S Horler wrote: I don't use many cvs commands, but one I use a fair bit is log. However I've never figured out how to make it only display the last e.g. 5 log entries or from a certain date... if it doesn't do it it should... I don't know if there is a command to display the last 5 log

Re: [Flightgear-devel] Instrument Switching

2004-01-14 Thread Curtis L. Olson
Innis Cunningham wrote: I guess this question is for David Megginson or Erik Hofman. I would like to have the ability to turn instruments on and off in the 2D panel XML file is this already possible.If so how?. If not would it be a big job to add it to the panel XML code. Thanks for any idea's. You

Re: [Flightgear-devel] [Fwd: Linux User & Developer Expo 2004]

2004-01-14 Thread Curtis L. Olson
David Luff wrote: OK, that's a definate now :-) Ok, so far here is what I have: - Al West can definitely be there. - David Luff can definitely be there. - Jon Stockhill probably will be at the show and probably can help with the booth. - Matthew Law thinks he can be there but needs to clear it w

Re: [Flightgear-devel] [Fwd: Linux User & Developer Expo 2004]

2004-01-14 Thread Curtis L. Olson
Martin Spott wrote: "Curtis L. Olson" <[EMAIL PROTECTED]> wrote: FlightGear has been offered free .org booth space and a possible speaker slot at the Linux User & Developer Expo 2004. This is Oct 20-21 at the Olympia Exhibition Centre in London, UK. You don't

[Flightgear-devel] [Fwd: Linux User & Developer Expo 2004]

2004-01-14 Thread Curtis L. Olson
FlightGear has been offered free .org booth space and a possible speaker slot at the Linux User & Developer Expo 2004. This is Oct 20-21 at the Olympia Exhibition Centre in London, UK. You don't necessarily need to be a developer to help with the booth, but a moderate working knowledge of Fli

[Flightgear-devel] Re: yf23 brakes

2004-01-12 Thread Curtis L. Olson
Andy Ross wrote: So which wheels get controlled by the parking brake on the bo105, harrier, or 747? :) This same subject just came up a few days ago. The real bug is that we're trying to associate brake controls with individual wheels, which is just wrong. The only standard for brakes in aircraft

Re: [Flightgear-devel] Panel Building ?!?

2004-01-11 Thread Curtis L. Olson
Victoria Welch wrote: I'm thinking I want to get into building panels for FG aircraft. Either I am missing it or the tools for the job are vi, gimp, an XML reference and all the FG header files ?!? Any comments or suggestions appreciated! I'll chime in with a couple comments. First off, ye

Re: [Flightgear-devel] CVS building fails, do I have a problem here?

2004-01-11 Thread Curtis L. Olson
t, Thanks for the response. I went through config log (~=2500 lines :) and am no more enlightended - see below :-(. On Sunday 11 January 2004 14:14, Curtis L. Olson wrote: Vikki, I don't see -lglut listed on the link command line. You probably want to rerun the configure script and mak

Re: [Flightgear-devel] FlightGear mouse pad

2004-01-11 Thread Curtis L. Olson
Hof Markus wrote: nice layout... is this a faked frame rate? ;-) if not pretty good. how come? Probably because Eric runs on sgi hardware. :-) Curt. -- Curtis Olson Intelligent Vehicles Lab FlightGear Project Twin Cities[EMAIL PROTECTED] [EMAIL PROTECTED] Minnesota

Re: [Flightgear-devel] CVS building fails, do I have a problem here?

2004-01-11 Thread Curtis L. Olson
Vikki, I don't see -lglut listed on the link command line. You probably want to rerun the configure script and make sure that the glut test there succeeds. If not, then look in your config.log to see exactly what failed. Regards, Curt. Victoria Welch wrote: Hi Folks, A couple days or so

Re: [Flightgear-devel] Duplicate node?

2004-01-11 Thread Curtis L. Olson
John Wojnaroski wrote: Walking thru some code yesterday, I noticed the following: In tilemgr.cxx at lines 319 and 321 there are two entries for adding taxi lights. Is that what is intended? Yeah you are right, there is a problem there. I have checked in a fix to CVS. Curt. -- Curtis Olson Inte

Re: [Flightgear-devel] Internationalization?

2004-01-10 Thread Curtis L. Olson
Lee Elliott wrote: Heh - it seem to me that most of the kids here (UK) just speak pretty bad english;) That depends on how you look at it. You could say that english is whatever english speaking people are speaking these days. Or you could flip that around and come up with some defined structu

Re: [Flightgear-devel] Oh dear....

2004-01-09 Thread Curtis L. Olson
We probably should steer away from the political discussion stuff (on this forum) before we forget we are working on an open source simulator. :-) Curt. Christian Mayer wrote: David Megginson schrieb: JD Fenech wrote: This is pretty sad. It's times like this when I start to consider relocatin

Re: [Flightgear-devel] illuminated baybridge

2004-01-09 Thread Curtis L. Olson
David Megginson wrote: Actually, if you're approaching a runway from about 90 degrees, it's the taxiway lights that you can see -- the runway lights are invisible until you're right overhead. Yes, it's a subtle effect and you may not notice it unless you are looking for it specifically, but all

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