Re: [Flightgear-devel] outerra news

2010-06-06 Thread David Megginson
On Sun, Jun 6, 2010 at 7:35 AM, Martin Spott martin.sp...@mgras.net wrote: Maybe we should consider moving to a different OpenSource scenery package. I'd be happy to read a more elaborate statement of what you're having in mind. What is the term scenery package supposed to mean ? An

Re: [Flightgear-devel] outerra news

2010-06-05 Thread David Megginson
Maybe we should consider moving to a different OpenSource scenery package. Nothing met our needs in the late 1990s, but I'm sure they've progressed since then. David On Fri, Jun 4, 2010 at 8:59 PM, Peter Morgan p...@freeflightsim.org wrote: Is there a begginers guide ? I've been down this

Re: [Flightgear-devel] Is something amiss with altimeter settings?

2010-05-29 Thread David Megginson
It's been a long time, but in addition to any issues with your altimeter setting I *think* I might have added code ~8 years ago to simulate the effect of temperature on altimeter readings. In real life, even if you have exactly the correct altimeter setting for the ground below you, and the

Re: [Flightgear-devel] FlightGear's Best Features

2010-04-23 Thread David Megginson
On Fri, Apr 23, 2010 at 3:11 AM, syd adams adams@gmail.com wrote: This is news to me. Which instrument models the drift ? I thought none did , so I created a nasal gyro that drifts at 3 degrees/15 minutes for my own use. Apparently I haven't looked close enough at the instrument code .

Re: [Flightgear-devel] FlightGear's Best Features

2010-04-22 Thread David Megginson
We actually try to emulate the aircraft's systems (vacuum, pitot, static, electrical, etc.), so failure modes are much more realistic. Instruments update more realistically, with suitable lags and other errors. MSFS X has improved its flight models, but in general, I still find that both JSBSim

Re: [Flightgear-devel] FlightGear's Best Features

2010-04-22 Thread David Megginson
. - FlightGear has been around for 14 years of active development! Regards, Curt. On Thu, Apr 22, 2010 at 7:39 PM, James Sleeman wrote: On 23/04/10 08:44, David Megginson wrote: Easy to set up for the command line, so you can l... -- Curtis Olson: http://baron.flightgear.org/~curt

Re: [Flightgear-devel] Excellent new J3 Cub model

2010-04-13 Thread David Megginson
On Tue, Apr 13, 2010 at 2:45 AM, Erik Hofman e...@ehofman.com wrote: It is already removed from CVS. It's just a matter of running cvs up -Pd to also remove it from your local repository. I always do cvs -z3 update -d -P, but when I replied, I hadn't checked to see if it was still on my

Re: [Flightgear-devel] Normal map shader example - c172p

2010-04-13 Thread David Megginson
All the Cessna 172's I've seen have had protruding rivets, but the heads don't stick out much, and the paint smooths out the edges to the point that they're just gentle bumps -- a 172's wing doesn't look like a steam boiler. IIRC, the Mooney has countersunk rivets, which is why it can go so fast.

Re: [Flightgear-devel] Yoke mounted PDA

2010-04-12 Thread David Megginson
Cool, but wouldn't it make sense to support common portable aviation GPS's first? As far as smartphone-type-things go, it's hard to get any wireless coverage in the air (they started blocking upward transmission about 3-4 years ago), and the iPad is so big it would block most of the primary

[Flightgear-devel] Excellent new J3 Cub model

2010-04-12 Thread David Megginson
On Mon, Apr 12, 2010 at 3:20 PM, Heiko Schulz aeitsch...@yahoo.de wrote: What I wonder- if David Megginson gave permission- why we have now the same aircraft with two different models in CVS? One named j3cub and one named Cub. No, pull the old one. It was a lot of fun to build, and was (I

Re: [Flightgear-devel] Bug: landmass effects cause system crash in today's CVS FlightGear

2010-04-10 Thread David Megginson
On Wed, Apr 7, 2010 at 9:10 AM, Frederic Bouvier fredfgf...@free.fr wrote: Your card or driver advertise support of geometry shader but doesn't behave correctly with them. If the extension wasn't supported, the effect would have fallbacked to technique number 9 that doesn't use them. I

Re: [Flightgear-devel] mpmap ILS data

2010-04-08 Thread David Megginson
On Wed, Apr 7, 2010 at 10:06 PM, Peter Brown smoothwater...@adelphia.net wrote: Perhaps this has been brought up before, but I see that the ILS beam data for each airport on the mpmap is derived from the runway alignment (as verified in taxidraw).  This doesn't allow for magnetic deviation,

Re: [Flightgear-devel] mpmap ILS data

2010-04-08 Thread David Megginson
On Thu, Apr 8, 2010 at 11:32 AM, Peter Brown smoothwater...@adelphia.net wrote: David, yes, as I have as well.  The localizer for 33 as you listed above is on a 326 heading per the approach plate, but the mpmap shows ILS data as the runway heading in degrees - as if for users to use as the

Re: [Flightgear-devel] mpmap ILS data

2010-04-08 Thread David Megginson
On Thu, Apr 8, 2010 at 2:00 PM, Peter Brown smoothwater...@adelphia.net wrote: I see.  So that brings us back to magnetic vs true, as I was originally referring to.  But, that's somewhat irrevelant as it _appears_ the mpmap is sourcing the data from the actual runway placement.  My opinion

Re: [Flightgear-devel] Bug: landmass effects cause system crash in today's CVS FlightGear

2010-04-07 Thread David Megginson
On Tue, Apr 6, 2010 at 4:19 AM, Frederic Bouvier fredfgf...@free.fr wrote: I presume it's the geometry shader support that is causing this. Try to disable technique number 8 in landmass.eff regards, That was it -- no crash after commenting it out. Is it likely a problem with my graphics

Re: [Flightgear-devel] AI-Balloons

2010-04-07 Thread David Megginson
On Wed, Apr 7, 2010 at 10:39 AM, Torsten Dreyer tors...@t3r.de wrote: I have just commited the add-on from the forum user gooneybird to the CVS- data. If you enable the balloon_demo scenario in your preferences.xml, you should see some balloons  ahead of you aircraft after starting FlightGear.

Re: [Flightgear-devel] Issue with default starting scenario

2010-04-06 Thread David Megginson
On Tue, Apr 6, 2010 at 7:06 PM, James Turner zakal...@mac.com wrote: My concern is touching the dreaded position init code, which is already baroque and complex. There's also the question of guessing a parking position when we don't have parking stand data - eg picking a point some distance

Re: [Flightgear-devel] Issue with default starting scenario

2010-04-06 Thread David Megginson
On Tue, Apr 6, 2010 at 7:34 PM, Peter Brown smoothwater...@adelphia.net wrote: In terms of simplicity, I would like to offer a suggestion of using one (or more) of the parking positions at airports with (current) parking positions.   If the user spawns at an airport without any preset parking

Re: [Flightgear-devel] Kids Training Manual

2010-04-05 Thread David Megginson
On Mon, Apr 5, 2010 at 6:05 AM, Pete Morgan ac...@daffodil.uk.com wrote: I've packed it up in a slide show. Here's the results. http://flightgear.daffodil.uk.com/slide_shows/ Excellent! Thanks. David -- Download

[Flightgear-devel] Issue with default starting scenario

2010-04-05 Thread David Megginson
I temporarily moved my .fgfsrc file and .fgfs/ directory to see what a new user sees on first startup, and I think what's there is not the best idea (unless there's still some local configuration that I'm missing): 1. it's normal to have a plane sitting on the runway threshold with the engine

[Flightgear-devel] Bug: landmass effects cause system crash in today's CVS FlightGear

2010-04-05 Thread David Megginson
When I enable landmass effects in a FlightGear binary built from today's CVS (and using today's base package), my entire computer freezes and I can reboot only by cutting power. Urban effects still work, however. With a binary built from the March 13 CVS, I can enable landmass effects -- still

[Flightgear-devel] Cherokee flap steps

2010-04-04 Thread David Megginson
I noticed this TODO issue on the Piper Warrior wiki page (http://wiki.flightgear.org/index.php/Piper_Cherokee_Warrior_II): flaps are moving in steps, they are not fluxional animated This is true, but might also be a bit confusing. Flap movements do appear almost instantaneous on a PA-28

Re: [Flightgear-devel] Kids Training Manual

2010-03-31 Thread David Megginson
On Wed, Mar 31, 2010 at 1:23 AM, Pete Morgan ac...@daffodil.uk.com wrote: Fanstastic.. had a wuick look and its cool. Can I please lift the page and format it as a slideshow ? All yours -- consider it public domain. It might be worth capturing screenshots with newer 3D models and scenery,

Re: [Flightgear-devel] Kids Training Manual

2010-03-30 Thread David Megginson
Here's one that I wrote back in 2002: http://www.flightgear.org/Docs/Tutorials/circuit/index.html All the best, David On Tue, Mar 30, 2010 at 8:02 PM, Pete Morgan ac...@daffodil.uk.com wrote: Problem I got with newbies.. Is there a simple set of instruction we can create (and laminate) of

Re: [Flightgear-devel] Reflection Shader

2010-03-29 Thread David Megginson
Wow -- looks amazing! I wonder what that would do to my framerate with my laptop's poor little ATI HD 3200 card? All the best, David On Mon, Mar 29, 2010 at 5:50 AM, Vivian Meazza vivian.mea...@lineone.net wrote: Hi, Lauri Peltonen and I have been working on a reflection effect:

[Flightgear-devel] High priority: fixing the Great Lakes in FlightGear default scenery

2010-03-28 Thread David Megginson
When I originally added ground-use support to TerraGear many years ago, the Canada/US Great Lakes worked fine: we simply treated the water as a special ground use, used the DEM to get the elevation, clipped it against the VMAP0 coastlines, and for good measure, Curt had written code to average out

Re: [Flightgear-devel] High priority: fixing the Great Lakes in

2010-03-28 Thread David Megginson
On Sun, Mar 28, 2010 at 1:58 PM, Martin Spott martin.sp...@mgras.net wrote: In the meantime we've made a polygon set to seamlessly fill The Great Lakes Void - which is likely going to address the issue you've mentioned. But there are still a few other places which are presumably affected by

Re: [Flightgear-devel] High Priority: fixing the Great Lakes...

2010-03-28 Thread David Megginson
don't remember for certain, and I don't know what FlightGear is using now. All the best, David On Sun, Mar 28, 2010 at 5:18 PM, David Slocombe sloco...@vex.net wrote: On Sunday 2010-03-28 David Megginson wrote: Now, quite a few years later, the Great Lakes are still broken in our default

Re: [Flightgear-devel] High Priority: fixing the Great Lakes...

2010-03-28 Thread David Megginson
Very nice work! I remember when all land cover in FlightGear (other than runways) was desert -- not sure why Curt picked a desert texture (I think it had something to do with Prescott, AZ). Next, we were able to separate land (always forest) from water. It's come a long way since then. All

Re: [Flightgear-devel] Make relief map go up instead of down? (was Re: Shaders experiments)

2010-03-23 Thread David Megginson
Looks fantastic! David On Tue, Mar 23, 2010 at 4:22 AM, Erik Hofman e...@ehofman.com wrote: Frederic Bouvier wrote: visible. Now I think I managed to get it right with 3d objects. See : http://frbouvi.free.fr/flightsim/fgfs-city-relief-4.jpg Even more impressive! Erik

Re: [Flightgear-devel] Bug: nav[12] selected radial

2010-03-21 Thread David Megginson
On Sat, Mar 20, 2010 at 9:41 PM, John Denker j...@av8n.com wrote: There was a bug reported under the Subject:  [Flightgear-devel] Setting OBS on command line/.fgfsrc a couple of weeks ago ... but it only affected nav1 IIRC. And it had nothing to do with magnetic variation IIRC. Perhaps not,

[Flightgear-devel] Messy properties for nav radios

2010-03-20 Thread David Megginson
I'd like to encourage everyone to put properties where they would belong in real life -- I took a look at the properties for the nav radio, and they gave me a bit of a headache. Think of what a nav radio and indicator do and don't know in real life: Does know: - what frequency is tuned in on

[Flightgear-devel] Bug: nav[12] selected radial

2010-03-20 Thread David Megginson
There's a bug in the /instrumentation/nav/radials/selected-deg property: the code mistakenly assumes that the selected radial is in true degrees, but isn't a bearing -- it's just a number. You could design a VOR where radial 180 was north of the VOR, if you wanted to (though usually it's close to

Re: [Flightgear-devel] Bug: nav[12] selected radial

2010-03-20 Thread David Megginson
It's actually even more confusing than that: the initial value seems to depend on whether the --vor option is selected, what the heading is, etc. All the best, David On Sat, Mar 20, 2010 at 6:09 PM, David Megginson david.meggin...@gmail.com wrote: There's a bug in the /instrumentation/nav

Re: [Flightgear-devel] Bug: nav[12] selected radial

2010-03-20 Thread David Megginson
now sets the azimuth to a VOR or airport, and may also set the selected radial on a VOR). I used to help a lot with this stuff, but I don't think I have the energy now. All the best, David Curt. On Sat, Mar 20, 2010 at 5:09 PM, David Megginson  wrote: There's a bug in the /instrumentation

Re: [Flightgear-devel] Bug: nav[12] selected radial

2010-03-20 Thread David Megginson
On Sat, Mar 20, 2010 at 7:22 PM, James Turner zakal...@mac.com wrote: There's another bug (in 2.0.0) to do with the GPS interaction with the nav[0] selected radial - I must say I've assumed all problems with --nav1 options misbehaving are ultimately caused by this bug, but it sounds as if

[Flightgear-devel] Make relief map go up instead of down? (was Re: Shaders experiments)

2010-03-18 Thread David Megginson
On Thu, Mar 18, 2010 at 8:43 AM, Torsten Dreyer tors...@t3r.de wrote: First of all: That's a really cool eye candy, good work! Seconded. This is the coolest addition I've seen to FlightGear in a long time. What I noticed from a close up is, that it seems that the floor of the buildings is

Re: [Flightgear-devel] Make relief map go up instead of down? (was Re: Shaders experiments)

2010-03-18 Thread David Megginson
On Thu, Mar 18, 2010 at 5:56 PM, Frederic Bouvier fredfgf...@free.fr wrote: I noticed the same problem with roads and 3d buildings -- they're floating above the city.  Is it possible to make the bump maps go up instead of down? In Shaders/urban.frag, change line 57 :        vec2 dp =

Re: [Flightgear-devel] News from FlightProSim!

2010-03-15 Thread David Megginson
This kind of thing happens sometimes -- not much we can do unless we want to spend tens of thousands of $$ going to court, so there's no point getting stressed. I did go to Google Sidewiki and leave a comment on the page, so that anyone using the Google toolbar or a sidewiki add-on in their

Re: [Flightgear-devel] scenery appearance depends on camera tilt angle

2010-03-11 Thread David Megginson
On Thu, Mar 11, 2010 at 4:47 PM, Heiko Schulz aeitsch...@yahoo.de wrote: Wel,, I would see this as a bug, if the frontside with the letter can't be read then anymore. But your pics shows it can bes till, it is just the backside which changes the color. Not a serious bug or showstopper

Re: [Flightgear-devel] Aircraft modeling idea/request: Piper Super Cub

2010-03-03 Thread David Megginson
On Wed, Mar 3, 2010 at 3:22 PM, syd adams adams@gmail.com wrote: I could probably get a decent yasim FDM built , but someone  else would have to do a JSB fdm , I still dont know what Im doing when it comes to jsbsim . JSBSim works best when you already have aircraft data (derivatives,

Re: [Flightgear-devel] Aircraft modeling idea/request: Piper Super Cub

2010-03-02 Thread David Megginson
On Tue, Mar 2, 2010 at 11:18 AM, Curtis Olson curtol...@gmail.com wrote: From time to time people mention that our j3cub model in FlightGear is rather simplistic and dated by today's standards.  It was a nice model for the time when it was built, and it still flies great, but visually it

Re: [Flightgear-devel] Shaders experiments

2010-03-01 Thread David Megginson
Wow! David On Sun, Feb 28, 2010 at 5:41 PM, Frederic Bouvier fredfgf...@free.fr wrote: What do you think of this effect : http://www.youtube.com/watch?v=kUyH-4c0-qM http://www.youtube.com/watch?v=wYb1Vy-uTS0 and a screenshot : http://frbouvi.free.fr/flightsim/fgfs-shader-test.jpg

Re: [Flightgear-devel] Citation Bravo ADF

2010-03-01 Thread David Megginson
On Sun, Feb 28, 2010 at 5:15 PM, syd adams adams@gmail.com wrote: Actually I think it might be a problem with kr-87.cxx , but I havent quite sorted that out yet ... as far as the ADF needle goes . Even with power , it doesnt appear to come alive until you toggle the ADF button on the

Re: [Flightgear-devel] Duplicate files in base package

2010-02-27 Thread David Megginson
On Fri, Feb 26, 2010 at 10:21 PM, Ron Jensen w...@jentronics.com wrote: I still support the idea common  shared directories idea for such things as instruments This is a nice, happy thought.  But in the real world it hasn't worked out so well.  Since we model such a huge variety of aircraft,

Re: [Flightgear-devel] Duplicate files in base package

2010-02-27 Thread David Megginson
Something I'd love to see, in the long term, is a GUI that allows users to customize their panels, just like real aircraft owners do. I could decide to install a different brand of TC (the default late 1970s Cessna 172P now has a vintage 1950s needle and ball instead of a TC -- cool, but what's up

Re: [Flightgear-devel] 3-Dimensional forests.

2007-12-19 Thread David Megginson
On 19/12/2007, gerard robin [EMAIL PROTECTED] wrote: On mer 19 décembre 2007, Pavel T wrote: Hello Flightgear Developer(s), I was thinking of this idea and I thought you might like it. You might have guessed already by the subject of the e-mail. I was thinking of maybe someone could make

Re: [Flightgear-devel] RFC: Control surface position damping

2007-12-02 Thread David Megginson
On 02/12/2007, Roy Vegard Ovesen [EMAIL PROTECTED] wrote: I mentioned the 5 key only as an example. I am not proposing to put a filter on that command. In general, then, as others have mentioned, this belongs in the flight models rather than the input layer. The input layer *requests* a

Re: [Flightgear-devel] Microsoft ESP

2007-11-28 Thread David Megginson
On 28/11/2007, Stuart Buchanan [EMAIL PROTECTED] wrote: Given this, we don't need to worry any more about MS patents than we did before the announcement, i.e. hardly at all. All the I/O stuff they've announced is already present in FG. Software patents have no force in Canada in any case,

Re: [Flightgear-devel] Keyboard reorg

2007-11-14 Thread David Megginson
On 14/11/2007, Melchior FRANZ [EMAIL PROTECTED] wrote: Here's a more sophisticated and useful toy: http://members.aon.at/mfranz/keyboard.nas [5.0 kB] It is started with the '/'-key and then waits for the input of a property path, optionally followed by =value or ?: Gott im Himmel! I

Re: [Flightgear-devel] Keyboard reorg

2007-11-14 Thread David Megginson
On 14/11/2007, Melchior FRANZ [EMAIL PROTECTED] wrote: * David Megginson -- Wednesday 14 November 2007: I think you've just made FlightGear into Emacs. I detest emacs. The script is inspired by vi! :-P Now you're making me nervous. All the best, David

Re: [Flightgear-devel] Wiki keyboard page (was Re: Keyboard reorg)

2007-11-13 Thread David Megginson
On 12/11/2007, gerard robin [EMAIL PROTECTED] wrote: probably i misunderstood the rule, didn't you modify cvs before getting decision about *what* functions need keybindings. I promised to put it back if there were objections -- there were, and I plan to put it back, but I can't connect to

[Flightgear-devel] Wiki keyboard page (was Re: Keyboard reorg)

2007-11-12 Thread David Megginson
Thanks to everyone for the suggestions so far. Just to get back on track, we have to start by seeing if we can come up with a short, priority list of stuff that's (a) applicable to most aircraft, and (b) important enough to have a key assignment. We can decide exactly what those key assignments

Re: [Flightgear-devel] Wiki keyboard page (was Re: Keyboard reorg)

2007-11-12 Thread David Megginson
On 12/11/2007, gerard robin [EMAIL PROTECTED] wrote: Do you mean wait and see ? No, just that it makes sense to decide *what* functions need keybindings before we decide *where* to bind them. Have you had a chance to edit the wiki page yet? All the best, David

[Flightgear-devel] Keyboard reorg

2007-11-11 Thread David Megginson
This is a good discussion that we've started. Way back when, we didn't have menus (or scripting), so every function had to be accessible from the keyboard (and all the assignments were hard-coded in C++ to boot). I think that we need to take a few steps: 1. Come up with a prioritized list of

Re: [Flightgear-devel] [Flightgear-cvslogs] CVS: data keyboard.xml, 1.99, 1.100

2007-11-10 Thread David Megginson
On 10/11/2007, gerard robin [EMAIL PROTECTED] wrote: I can notice the update has been done , before we could give any opinion on the topic. Does it mean , that there is not any other alternative, and the CHOICE is that way nothing else :) :) :) From my original message: quote I just moved

Re: [Flightgear-devel] Minor keyboard reassignment

2007-11-10 Thread David Megginson
On 10/11/2007, dave perry [EMAIL PROTECTED] wrote: I just looked at the changes in cvs. There is a significant problem with at least this implementation of one key to turn on all the lights for all AC. There is no standard followed for how to implement nasal electrical systems. The patches

[Flightgear-devel] Minor keyboard reassignment

2007-11-09 Thread David Megginson
I just moved tailwheel-lock from lowercase 'l' to uppercase 'L', and reassigned lowercase 'l' to toggle lighting (for easy night starts without searching for switches). I assigned lighting to the lowercase 'l' because I think it would be much more commonly used than tailwheel lock, but if there

Re: [Flightgear-devel] Fixing head lag

2007-11-03 Thread David Megginson
On 03/11/2007, Melchior FRANZ [EMAIL PROTECTED] wrote: Not sure if you are talking about dynamic view, but this *isn't* supposed to change the view based on physical forces. The first three lines in $FG_ROOT/Nasal/dynamic_view.nas are: # Dynamic Cockpit View manager. Tries to simulate the

Re: [Flightgear-devel] Fixing head lag

2007-11-03 Thread David Megginson
On 03/11/2007, SydSandy [EMAIL PROTECTED] wrote: Looking at videos taken by passengers , you can certainly see these forces ... and as a passenger , I have definately sunk in my seat ( no head springs involved ), so I still use it myself ... Yes, that's much more realistic, and in

Re: [Flightgear-devel] Fixing head lag

2007-11-03 Thread David Megginson
On 03/11/2007, Vivian Meazza [EMAIL PROTECTED] wrote: As Melchior said, the head-shake mechanism does indeed regard the head as a mass and a (damped) spring, but it's a bit more sophisticated than that - the resistance of the neck muscles are modelled as well. Which is enabled by default --

Re: [Flightgear-devel] Fixing head lag

2007-11-03 Thread David Megginson
On 03/11/2007, Melchior FRANZ [EMAIL PROTECTED] wrote: * David Megginson -- Saturday 03 November 2007: I wasn't looking at any NASAL code. Is the NASAL code enabled by default? While you were away, we got support for automatically saving GUI settings to an ~/.fgfs/autosave.xml file

Re: [Flightgear-devel] Fixing head lag

2007-11-03 Thread David Megginson
On 03/11/2007, Vivian Meazza [EMAIL PROTECTED] wrote: As I said before, but perhaps you didn't notice, we already have a force based system working on the input of pilot g. It moves the pilot's eye position according to this input. And as Melchior pointed out, we probably need to stabilise

[Flightgear-devel] Fixing head lag

2007-11-02 Thread David Megginson
I think it's great that FlightGear added head lag to the sim -- it's a good alternative when the pilot can't feel forces -- but I think we'd do better to model it based on perceived forces, not on roll/yaw/pitch damping. For example, simply entering a coordinated bank gently shouldn't cause any

Re: [Flightgear-devel] Demeter (was Re: FlightGear terrain engine)

2007-11-01 Thread David Megginson
On 01/11/2007, Tim Moore [EMAIL PROTECTED] wrote: ... we should concentrate on aircraft models and flight dynamics, and try to interface with an existing engine. That depends on where your interests lie, I suppose. By we, I meant the Flightgear project, not the individuals in it. I would

Re: [Flightgear-devel] Demeter (was Re: FlightGear terrain engine)

2007-11-01 Thread David Megginson
On 01/11/2007, Sergey [EMAIL PROTECTED] wrote: as FlightGear moves to osg there is a nice virtual terrain project which is integrates with osg. The site for the project is http://www.vterrain.org/ and some papers are here http://www.vterrain.org/LOD/Papers/. Excellent. It looks like a good

[Flightgear-devel] Demeter (was Re: FlightGear terrain engine)

2007-10-31 Thread David Megginson
On 31/10/2007, Christian Buchner [EMAIL PROTECTED] wrote: I would like to get a few pointers where to look for information about the terrain engine that is currently used by Flight Gear. In particular about the irregular terrain mesh - how is it created (at runtime or offline) and how does

Re: [Flightgear-devel] J3 Cub Back Seat Driver

2007-10-25 Thread David Megginson
On 25/10/2007, Hans Fugal [EMAIL PROTECTED] wrote: I wonder if it is really that hard to see the compass in the real plane. Maybe so, but combined with the small size and the various reasons why it's hard to make out the magnetic compass in FG even at regular size I have to think maybe it's

[Flightgear-devel] J3 Cub rerigged (was Re: J3 Cub Back Seat Driver)

2007-10-25 Thread David Megginson
Since I came back to FlightGear a few weeks ago, I've flown the J3 Cub mainly with the mouse (for short breaks from work), so I hadn't noticed how badly out of trim the plane has been flying. I've just checked in changes to fix the (non-adjustable) rudder and aileron trim to get rid of the strong

Re: [Flightgear-devel] J3 Cub rerigged (was Re: J3 Cub Back Seat Driver)

2007-10-25 Thread David Megginson
On 25/10/2007, Hans Fugal [EMAIL PROTECTED] wrote: Thanks! You mention the nonadjustable rudder and aileron trim - is that nonadjustable in theory only or does flightgear also enforce this? If not, can it be made to? It wasn't clear from the j3cub.xml file. You can adjust it in flight if you

Re: [Flightgear-devel] J3 Cub rerigged (was Re: J3 Cub Back Seat Driver)

2007-10-25 Thread David Megginson
On 25/10/2007, Hans Fugal [EMAIL PROTECTED] wrote: You can adjust it in flight if you bind some keys to the trim properties, but it would be pretty unrealistic -- I doubt that any J3 Cub has ever had rudder or aileron trim. Or have a joystick. Actually, the J3 does use a stick instead of

Re: [Flightgear-devel] Consistent aircraft states

2007-10-12 Thread David Megginson
On 12/10/2007, drew [EMAIL PROTECTED] wrote: I have my .fgfsrc file set up so I start on the run-up area just off the main runway at KSFO: --lat=37.612451 --lon=-122.357858 --heading=026 so I have the time to do pre-flight checks (and explore the cockpit and README's of new and

[Flightgear-devel] Consistent aircraft states

2007-10-12 Thread David Megginson
On 12/10/2007, dave perry [EMAIL PROTECTED] wrote: Welcome back. I am the one that made all the changes to the Warrior. Starting directions and keyboard switch equivalents are under the help menu-Aircraft help, just like with the pa24-250. It was after you had commented on how you liked

Re: [Flightgear-devel] Consistent aircraft states

2007-10-12 Thread David Megginson
On 12/10/2007, gerard robin [EMAIL PROTECTED] wrote: Only one generic property switch is necessary. We must only, all together decide which name and where (/sim/ ??) [snip] For instance looking at one of my model to have the right flying conditions, i need: Canopy = Down Wing-folds =

[Flightgear-devel] Hangar start

2007-10-12 Thread David Megginson
On 12/10/2007, AnMaster [EMAIL PROTECTED] wrote: I prefer starting with engine off (and not at threshold) so why not add support for starting somewhere else than end of runway? Starting at the gate for example (makes sense for 787 but not for the warrior) or in a hangar (if such exist at

Re: [Flightgear-devel] Warrior changes

2007-10-12 Thread David Megginson
On 11/10/2007, Hans Fugal [EMAIL PROTECTED] wrote: This isn't the only plane that starts in cold configuration. I think it would be best to be consistent - either leave it up to the plane designer in every case (I believe in this case at least it was a conscious decision on the part of the

Re: [Flightgear-devel] Hangar start

2007-10-12 Thread David Megginson
On 12/10/2007, AnMaster [EMAIL PROTECTED] wrote: Maybe add tow truck to flightgear? I wouldn't want to pull an English Electric Lightning for example (would it even be possible?) It's fun to see the variety of tow vehicles at airports. For airliners, of course, there are the white tugs that

[Flightgear-devel] Warrior changes

2007-10-11 Thread David Megginson
As I mentioned earlier, the Warrior model is looking great. However, because it was starting with the engine and fuel off and the brakes on, it took a while to get started (and wasn't realistic sitting on the threshold with the engine off), and I don't think it was possible to do an in-air start,

Re: [Flightgear-devel] autopilots, adverse aileron yaw and jsbsim questions

2007-10-09 Thread David Megginson
On 08/10/2007, Jon S. Berndt [EMAIL PROTECTED] wrote: There are two gains that come into play. One is from FlightGear (0.0 to 1.0, as Dave M. pointed out), and the one eventually sent to JSBSim, which is in ft/sec. It looks like the one set in JSBSim can vary from 0.0 to 100.0 ft/sec. That is

Re: [Flightgear-devel] autopilots, adverse aileron yaw and jsbsim questions

2007-10-08 Thread David Megginson
On 07/10/2007, Jon S. Berndt [EMAIL PROTECTED] wrote: I looked at the configuration file for the Seneca II in flightgear cvs. It appears to me (at least given the quick glance I took) that adverse aileron yaw (Cnda) is turned off - the data is all zeros. I'm not sure about the exact

Re: [Flightgear-devel] autopilots, adverse aileron yaw and jsbsim questions

2007-10-08 Thread David Megginson
On 08/10/2007, Jon S. Berndt [EMAIL PROTECTED] wrote: Does anyone know what typical values are for these two properties: /environment/turbulence/magnitude-norm /environment/turbulence/rate-hz The fact that the first property is named magnitude-norm (emphasis on the *norm*) makes me suspect

Re: [Flightgear-devel] piston aircraft pre-flight engine runup

2007-10-05 Thread David Megginson
On 05/10/2007, drew [EMAIL PROTECTED] wrote: Yes. I've actually had the pleasure of pushing a crate with a shonky donk back to the hanger. There is an alternative, sometimes. If the plug isn't completely dead but just misfiring a lot, you can often clear the lead by doing a high-power, lean

Re: [Flightgear-devel] Modeling VOR/DME stations

2007-10-05 Thread David Megginson
On 05/10/2007, Bohnert Paul [EMAIL PROTECTED] wrote: Doe any body have a picture of the VOR at KSFO? I have not been able to find one. Here it is from the top: http://maps.google.com/?q=37.619,-122.375ie=UTF8ll=37.619494,-122.373772spn=0.000935,0.002103t=kz=19om=1 All the best, David

[Flightgear-devel] Looks great

2007-09-19 Thread David Megginson
I have a new notebook (an HP TX1220, which is a stunningly beautiful machine), and decided to try compiling the latest CVS osg FlightGear instead of using the old precompiled plib version from the Ubuntu distro. Here are some comments: 1. Wow! The program is looking great. It was a very nice

Re: [Flightgear-devel] Looks great

2007-09-19 Thread David Megginson
On 19/09/2007, Durk Talsma [EMAIL PROTECTED] wrote: Welcome back and thanks for the compliments! As for versions: No, there isn't a 1.0 in sight yet, but I'm currently trying to help Curt in getting ready for a new release soon. This will be a plib based release, called 0.9.1[1]. I didn't

Re: [Flightgear-devel] OSG vs. trees and buildings

2007-09-19 Thread David Megginson
On 19/09/2007, Heiko Schulz [EMAIL PROTECTED] wrote: Sebastian Bechthold is working on that- he is working about a implemention of an object placer which automatic places buildings to right textures/ materials. If there is a town, so there are buildings depending of it is industrial or

[Flightgear-devel] OSG vs. trees and buildings

2007-09-19 Thread David Megginson
What are the issues with OSG around dynamic scenery (trees, non-static randomly-placed buildings, 3D clouds, etc.)? Is it just a matter of spending a few hours coding, or is there something in the OSG APIs that makes dynamically-generated scenery difficult? All the best, David

Re: [Flightgear-devel] World Scenery

2006-04-07 Thread David Megginson
On 07/04/06, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote: And a little cubical shed and a radio mast close the start of runway 06 (I think) of Orly. Localizer. All the best, David -- http://www.megginson.com/ --- This SF.Net email is

Re: [Flightgear-devel] collision detection.

2006-04-04 Thread David Megginson
On 03/04/06, Andy Ross [EMAIL PROTECTED] wrote: I think the original report might have been that you can bury a fast moving aircraft under the ground. The 100 Hz granularity of the FDM computations isn't able to detect the exact moment of collision. That's a much harder issue to solve; you'd

Re: [Flightgear-devel] collision detection.

2006-04-03 Thread David Megginson
On 03/04/06, Justin Smithies [EMAIL PROTECTED] wrote: Any possiblity of collision detection in the near future ? I.e. instead of the aircraft falling through the ground it just stop dies explodes whatever. Collision detection and explosion animation are two different things. With JSBSim,

Re: [Flightgear-devel] Few 3d Modeling questions

2006-03-29 Thread David Megginson
On 29/03/06, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote: Now the questions is it oke if I solve some of the outstanding issues with plane textures and 3d models? Yes, please. If the plane has a current maintainer, send your changes to him or her if possible (if you don't hear back in a

Re: [Flightgear-devel] Re: [Flightgear-cvslogs] CVS: data/Aircraft/pa24-250/Models pa24-250.ac,1.6,1.7

2006-03-27 Thread David Megginson
On 27/03/06, Martin Spott [EMAIL PROTECTED] wrote: My compliment to David P. for the fading prop disc - compared to everything I've seen before this is close to perfect. Even details like the tips of the prop blades look pretty much realistic, Ditto -- Dave's done a great job. I think it's

Re: [Flightgear-devel] Re: [Flightgear-cvslogs] CVS: data/Aircraft/pa24-250/Models pa24-250.ac,1.6,1.7

2006-03-27 Thread David Megginson
On 27/03/06, Martin Spott [EMAIL PROTECTED] wrote: I noticed a red knob left to the throttle. In the (real) aircraft I know the carb heating is usually located there, the levers are different but the location is always the same. As FlightGear doesn't model carb heating I'm curious that this

Re: [Flightgear-devel] Re: new contribution

2006-03-27 Thread David Megginson
On 27/03/06, [EMAIL PROTECTED] [EMAIL PROTECTED] wrote: I am pretty sure this Great Lake as Ocean bug is also the reason behind that ugly floating airport on Toronto Island (CYTZ). That's exactly it. I fly to CYTZ frequently in real life, and I can attest that the runways are only a few feet

Re: [Flightgear-devel] airports list

2006-03-26 Thread David Megginson
On 26/03/06, Paul Surgeon [EMAIL PROTECTED] wrote: I did do some work on that a long time ago using the ICAO codes to break up the data by country but ran into a couple of problems. 1. There is no state/province field in the airports db and it can't be deduced from ICAO codes. 2. There are

Re: [Flightgear-devel] Re: airports list

2006-03-26 Thread David Megginson
On 26/03/06, Melchior FRANZ [EMAIL PROTECTED] wrote: (K ... almost all US airports Except P for Hawaii (PH), Alaska (PA), and former and current U.S. territories. Additionally, individual states use three- or four-letter designators for very large number of airports that do not have

Re: [Flightgear-devel] Re: airports list

2006-03-26 Thread David Megginson
On 26/03/06, Melchior FRANZ [EMAIL PROTECTED] wrote: Yeah, whatever. I'm fixing an absolutely crappy and useless implementation, and the fix is already infinitely better. I never said it's perfect already. Thank you very much for that, Melchior. None of this is intended as a criticism of

Re: [Flightgear-devel] Aircraft Battery simulation

2006-03-26 Thread David Megginson
On 26/03/06, Erik Hofman [EMAIL PROTECTED] wrote: For those of you who feel the desire to model the lead-acid aircraft battery up to a bizarre level you could visit the Gill site: http://www.gillbatteries.com/manual.cfm I'll be buying a new GIll battery in a couple of weeks. For FlightGear,

Re: [Flightgear-devel] Aircraft Battery simulation

2006-03-26 Thread David Megginson
On 26/03/06, Erik Hofman [EMAIL PROTECTED] wrote: I already thought that simulating shelve discharging would be pretty bizarre :-) In extremely cold temperatures in northern Canada and Alaska, pilots sometimes remove the batteries from their planes and bring them inside with them; sometimes

Free inverse geocoding service (was Re: [Flightgear-devel] Re: airports list)

2006-03-26 Thread David Megginson
On 26/03/06, Melchior FRANZ [EMAIL PROTECTED] wrote: I have such a file, too (country.nas), but it can't hurt to compare that with your version and the Wikipedia page. Yes, please send it to me. Thanks. I found a free inverse geocoding service here:

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