Re: [Flightgear-devel] Realistic daytime skycolor

[Arnt Karlsen]

On Wed, 23 Nov 2005 18:25:31 +0100, Durk wrote in message 
<[EMAIL PROTECTED]>:

> On Tuesday 22 November 2005 18:02, Curtis L. Olson wrote:
> > Vassilii Khachaturov wrote:
> > >>Like in the dawn screenshot where I tried to show that off;
> > >>
> > >>http://www.adeptopensource.co.uk/personal/fg/747-Heathrow-dawn_mo
> > >on.jpg
> > >
> > >[snip]
> > >
> > I forget who posted this original 'dark' screen shot, but here's the
> > issue, due to gamma differences, this image comes out completely
> > black on my screen.  From that standpoint, it's not a useful screen
> > shot. Many people that download it are going to say, huh!  This
> > isn't an easy problem to circumvent because there is a wide swath of
> > gamma configurations and monitors out there.  But in this case, we
> > simply need something with more light to make it widely useable.
> >
> 
> My old crt screen on my linux box had a pretty bad gamma curve, but it
> went  down with a bang the day before yesterday. I just got back
> online with a  brand new 19" TFT screen and now this screenshot looks
> really good. 
> 
>  FWIW, isn't it possible to run the image through one of the
>  ImageMagick tools 
> to improve the gamma curves. 
> 
> Obviously, I'm biased because I like screenshots featuring the moon
> :-)

..looks like you're not alone, or should I see daaark red shadows?  ;o)


-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] OT: picture of two USAF thuderbirds in mirror formation

[Arnt Karlsen]

On Tue, 22 Nov 2005 07:49:16 -0500, Ima wrote in message 
<[EMAIL PROTECTED]>:

> Off topic, but something similar to this might make two interesting  
> AI aircraft for around KSFO or KDCA or Nellis AFB, Nevada, USA where  
> they're based. 8-)
> 
> Best regards,
> 
> Ima
> 
>  From netscape.com gallery:
> 
>  _AVIATION_NATIO_1B.jpg>

..heh, reminds me of a couple of my buddies, they flew 2 Curare-20's 
on 25 or 40 power AFAIR, training for some air show, F3A mirror style.
Worked all nicely until that last big nice lazy loop.   ;o)

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.


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Re: [Flightgear-devel] Re: Getting Started Guide - Terrain/Objects

[Arnt Karlsen]

On Mon, 14 Nov 2005 16:42:24 +0100, Oliver wrote in message 
<[EMAIL PROTECTED]>:

> I suggest to remove the SF bay scenery in the corresponding 10x10
> scenery  file.
> This allows us to place the SF bay, which comes allready with the base
>  package, in the main scenery folder like all the other 10x10 chunks.

..good idea, and can it be combined with locally made stuff too?

> And when someone installs the corresponding scenery tile
> w130n30.tar.gz it won't overwrite the SF bay.

..why do (or don't?) we want this file overwritten?

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] Announcement: First TerraGear landcover database

[Arnt Karlsen]

On Sat, 12 Nov 2005 19:48:37 -0600, Curtis wrote in message 
<[EMAIL PROTECTED]>:

> Arnt Karlsen wrote:
> 
> > ..how much size growth, compared to the (0.9.7?) last scenery?   
> > (url to the new?)
> 
> I haven't really started building a lot of tiles yet.  I'm still hung
> up  on a shapefile processing issue.  Might be  shade bigger, but I'm
> not  expecting a huge difference ...

..thanks.  :o)

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] Pending v0.9.9 release

[Arnt Karlsen]

On Sun, 13 Nov 2005 03:24:21 +0200 (IST), Vassilii wrote in message 
<[EMAIL PROTECTED]>:

> > > Yep, but sipmly _delaying_ the next release doesn't cure anything.
> > > This only makes sense if the developers agree on a feature freeze
> > > and announce a bugfix-only phase.
> >
> > ..or if it can be enforced somehow.  ;o)
> 
> or that a separate branch is created for the feature freeze while the
> development continues at the trunk, with only hand-picked patches
> getting into the release branch...

...with some release dictator growling "Test this!"  ;o)

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] Pending v0.9.9 release

[Arnt Karlsen]

On Thu, 10 Nov 2005 10:32:22 + (UTC), Martin wrote in message 
<[EMAIL PROTECTED]>:

> Erik Hofman wrote:
> > Martin Spott wrote:
> 
> >> We know exactly this phenomenon for several years now and to
> >my
> [...]
> >> supporters for this idea.
> 
> > Guess why the next release is 0.9.9 and not 1.0 and why 1.0 is
> > released  early next  year?

...some time after 0.9.10, 0.9.11, 0.9.12, 0.9.13...

> Yep, but sipmly _delaying_ the next release doesn't cure anything.
> This only makes sense if the developers agree on a feature freeze and
> announce a bugfix-only phase.

..or if it can be enforced somehow.  ;o)

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] Announcement: First TerraGear landcover database

[Arnt Karlsen]

On Thu, 10 Nov 2005 14:11:00 -0600, Curtis wrote in message 
<[EMAIL PROTECTED]>:

> 
> I should also point out that the next scenery build (which is
> happening  concurrent to the v0.9.9 release and causing my head to
> spin 3x faster  than normal (not factoring in beer)) will be based on
> this data export.

..how much size growth, compared to the (0.9.7?) last scenery?   
(url to the new?)

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.


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Re: [Flightgear-devel] lightning

[Arnt Karlsen]

On Tue, 08 Nov 2005 09:49:56 +0100, Erik wrote in message 
<[EMAIL PROTECTED]>:

> Josh Babcock wrote:
> > Dave Culp wrote:
> 
> >> All you experienced modelers, please tell me, is this possible? 
> >Can you set a  > piece of a model to flash somewhat randomly using
> >only XML animation code?
> 
> > I'm pretty sure you would need to have each t-storm running its own
> > instance of a simple Nasal script.
> 
> I remembered we've added random animations in the past and looking at 
> the code, the times animation accept a random value.
> That said, I really think the AIThunderstorm calls should be without a
>  visual model and should be called by the 3d clouds code and METAR 
> weather code instead.

..attic candidate?  Chances are I can use some of it to model these:
http://flyingkettle.com/  and
http://perso.wanadoo.fr/ballonsolaire/en-index.htm  ;o)

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] AI Aircraft Models

[Arnt Karlsen]

On Sun, 6 Nov 2005 09:43:20 -0200, Rodrigo wrote in message 
<[EMAIL PROTECTED]>:

> There�s lot of flightplans for lots of carriers designed by indepedent
>  simmers
> on usual flight sim sites: www.avsim.com , www.fsfreeware.com , 
> www.flightsim.com
> so, no need for PAI flight plans.
> About models and flightplans, there�s a nice general aviation site on 
> http://www.ultimatega.com/
> Also, great jetliners  models on  http://www.ai-aardvark.com/
> Although, in  my opinion, would
> be better to keep low polygons on FlightGear...
> Not sure if it�s possible to convert on FlightGear, but SquawkBox and
> FSSinn  programs have thousands of models.
> Finally, there�s a new group releasing complete packages of
> flightplans and  models for FS: http://www.world-of-ai.com/
> Don�t think would be a problem for them to allow to use in FlightGear.
> My 0,02 cents:-)

.._using_ them is usually no problem, because their "EULA" 
contractual terms usually allow "end users" usage.

..our problem is when their terms clash with our GPL terms on
distributing the source code and allowing commercial use. 
This is best solved with the authors using the GPL too, and 
they can dual license their stuff as they please.  
Groklaw.net has _plenty_ more.

.."what's wrong with the GPL?"  Ask Microsoft as a freelance 
journalist on behalf of some news rag and smell the fear.  ;o)

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.


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Re: [Flightgear-devel] Compiling FG on Suse

[Arnt Karlsen]

On Sat, 05 Nov 2005 11:16:53 -0500, Steve wrote in message 
<[EMAIL PROTECTED]>:

> On Sat, 05 Nov 2005 02:22:55 -0600, you wrote:
> 
> >Steve, you seem to have the following missing.
> >
> >- C++ compiler
> >- X delopment libraries and header files are missing
> >- OpenGL libraries and header file 
> >
> >Have you compiled something else other than FlightGear?
> 
> Not on this installation. Everything has been installed through their
> package manager.
> 
> I was focused on the GL library missing, but I will see if it has the
> C++ available. And the X development libraries. Could use a more
> specific message than "missing X" I thought it meant I hadn't go X up
> and running.
> 
> I thought I had OpenGL support with the ATI drivers, control panel and
> etc. Maybe that is only "direct graphics" support, will look for
> OpenGL.

..MWAGI the X module you want is "radeon".

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] Re: Buildings ?????

[Arnt Karlsen]

On Sat, 5 Nov 2005 15:40:08 +0100, Arnt wrote in message 
<[EMAIL PROTECTED]>:

> On Sat, 05 Nov 2005 16:15:22 +1030, George wrote in message 
> <[EMAIL PROTECTED]>:
> 
> > On Sat, 2005-11-05 at 05:02 +0100, Arnt Karlsen wrote:
> > > On Fri, 04 Nov 2005 14:03:10 -0800, Andy wrote in message 
> > > <[EMAIL PROTECTED]>:
> > > 
> > > > Mike Kopack wrote:
> > > > > It's not so much an issue of San Fran being BAD, it's just
> > > > > that KSFO is pretty far from downtown. We're talking about
> > > > > small slow-flying UAV's in my project (I'm using the Piper as
> > > > > a surrogate), so having to take off that far away means my
> > > > > demo is like 45 minutes long.
> > > > 
> > > > As a left-field suggestion: how about defining the runways of
> > > > the old NAS Alameda, which is just south of downtown Oakland and
> > > > immediately across the bay from San Francisco.  The base was
> > > > closed in the mid 90's, I believe, and is now being converted
> > > > into industrial loft space.  But the runways are still there
> > > > clear as day:
> > > > 
> > > >   
> > > > http://maps.google.com/maps?ll=37.786114,-122.318387&spn=0.027226,0.028824&t=k&hl=en
> > > > 
> > > > The folks who like to play with the carrier aircraft probably
> > > > wouldn't mind having this active, either.
> > > 
> > > ..if it's modelled correctly historically, setting the date back a
> > > decade or so should make it active.
> > 
> > 
> > Hmm, interesting idea.. Can you get the METAR data from a decade or
> > so back in time?
> 
> ..hmmm, I doubt that, but many countries do archive weather data, so
> we should at least be able generate it off those archives.
 
..and at least Debian Sid offers these utilities:
[EMAIL PROTECTED]:/var/www/01-gas/fmb.no/gas $ apt-cache search METAR
gkrellweather - A weather monitor plugin for GKrellM
libgeo-metar-perl - Geo::METAR, Accessing Aviation Weather Information
with Perl libmdsp-dev - METAR Decoder Software Package Library
development files metar - utility to download/decode METAR reports
php-services-weather - acts as an interface to various online
weather-services python-pymetar - Python interface to METAR reports
vdr-plugin-weather - Weather plugin for vdr
wmweather - WindowMaker dockapp that shows your current weather

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.


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Re: [Flightgear-devel] Re: Buildings ?????

[Arnt Karlsen]

On Sat, 05 Nov 2005 16:15:22 +1030, George wrote in message 
<[EMAIL PROTECTED]>:

> On Sat, 2005-11-05 at 05:02 +0100, Arnt Karlsen wrote:
> > On Fri, 04 Nov 2005 14:03:10 -0800, Andy wrote in message 
> > <[EMAIL PROTECTED]>:
> > 
> > > Mike Kopack wrote:
> > > > It's not so much an issue of San Fran being BAD, it's just that
> > > > KSFO is pretty far from downtown. We're talking about small
> > > > slow-flying UAV's in my project (I'm using the Piper as a
> > > > surrogate), so having to take off that far away means my demo is
> > > > like 45 minutes long.
> > > 
> > > As a left-field suggestion: how about defining the runways of the
> > > old NAS Alameda, which is just south of downtown Oakland and
> > > immediately across the bay from San Francisco.  The base was
> > > closed in the mid 90's, I believe, and is now being converted into
> > > industrial loft space.  But the runways are still there clear as
> > > day:
> > > 
> > >   
> > > http://maps.google.com/maps?ll=37.786114,-122.318387&spn=0.027226,0.028824&t=k&hl=en
> > > 
> > > The folks who like to play with the carrier aircraft probably
> > > wouldn't mind having this active, either.
> > 
> > ..if it's modelled correctly historically, setting the date back a
> > decade or so should make it active.
> 
> 
> Hmm, interesting idea.. Can you get the METAR data from a decade or so
> back in time?

..hmmm, I doubt that, but many countries do archive weather data, so we
should at least be able generate it off those archives.

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] Re: Buildings ?????

[Arnt Karlsen]

On Fri, 04 Nov 2005 14:03:10 -0800, Andy wrote in message 
<[EMAIL PROTECTED]>:

> Mike Kopack wrote:
> > It's not so much an issue of San Fran being BAD, it's just that KSFO
> > is pretty far from downtown. We're talking about small slow-flying
> > UAV's in my project (I'm using the Piper as a surrogate), so having
> > to take off that far away means my demo is like 45 minutes long.
> 
> As a left-field suggestion: how about defining the runways of the old
> NAS Alameda, which is just south of downtown Oakland and immediately
> across the bay from San Francisco.  The base was closed in the mid
> 90's, I believe, and is now being converted into industrial loft
> space.  But the runways are still there clear as day:
> 
>   
> http://maps.google.com/maps?ll=37.786114,-122.318387&spn=0.027226,0.028824&t=k&hl=en
> 
> The folks who like to play with the carrier aircraft probably wouldn't
> mind having this active, either.

..if it's modelled correctly historically, setting the date back a
decade or so should make it active.

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] Buildings?????

[Arnt Karlsen]

On Fri, 04 Nov 2005 08:55:57 -0500, Josh wrote in message 
<[EMAIL PROTECTED]>:

> Jim Wilson wrote:
> >>From: "Mike Kopack"
> >>
> > 
> > 
> > 
> > > Is there a way to get buildings to appear (like the wash monument,
> > > white house, pentagon, capital, etc.?) Did I load the scenery in
> > > wrong? Or is this just a glaring big black hole with the FG
> > > scenery (no building data.) I'd prefer to demonstrate somewhere
> > > other than San Fran. 
> > 
> > Just curious...what is wrong with San Francisco?  There are all
> > sorts of recognizable  landmark details there and it is obviously
> > ready to go.
> > 
> > Best,
> > Jim
> 
> Too many hippies. They don't like to see that in government contracts
> :)

..just wait out this current neocon regime, the next team oughtta be
less hostile.  ;o)

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.


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Re: [Flightgear-devel] Santa's r[ae]i?ndeer

[Arnt Karlsen]

On Thu, 27 Oct 2005 14:58:52 +0100, Dave wrote in message 
<[EMAIL PROTECTED]>:

> On Thursday 27 October 2005 14:19, Vivian Meazza wrote:
> 
> > What happened to the poor reindeers' antlers?
> >
> > V.
> 
> I take it you're not aware of Reindeer Service Bulletin 63-11-05 SE
> 15?
> 
> The antlers were removed to improve 'engine out' characteristics after
> the  infamous 'Rudolph food-poisoning' incident.

..ah, the perils of bureaucracy, that sounds pretty much like FAA's
check ride shot gun.  ;o)

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.


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Re: [Flightgear-devel] Driving real instruments.

[Arnt Karlsen]

On Tue, 25 Oct 2005 13:59:31 +0100, Dave wrote in message 
<[EMAIL PROTECTED]>:

> Just wondering if anyone (pos historically) has driven physical
> instruments  using FlightGear on Linux.
> 
> I'm thinking the analog variety (ASI AI ALT etc) from the likes of
> SimKits.  Obviously the SimKits stuff couldn't work directly because
> their proprietary  software to drive the CCU is for Windows and MSFS
> only.
> 
> So are there, or have there been any examples of someone succesfully
> driving  analog instruments using FlightGear on Linux?

..the closest thing I'm aware of this far, would be the Discovery TV
show on Red Baron's (Richthofen) final dog fight, they used FG and 
a commercial FS (MSFS?) hooked up together.  
I think Michael Selig at UIUC was involved, Michael, Curt?

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] Threading for SMP, boon or bane?

[Arnt Karlsen]

On Mon, 24 Oct 2005 11:08:06 -0700, Andy wrote in message 
<[EMAIL PROTECTED]>:

> Curtis L. Olson wrote:
> > I would like to make a case for non-threading from the standpoint of
> > simplicity.  We have had (and probably still have) some extremely
> > subtle and extremely difficult to track bugs in our threaded tile
> > loader.
> 
> I don't disagree at all.  Everything you say is true, and a reason to
> avoid threading wherever possible.  Naive thread architectures are
> invariably a disaster.  But unfortunately the hardware world conspires
> against us -- SMP is rapidly becoming the rule rather than the
> exception for high performance desktops.
> 
> Note that there are a few spots where we could split out separate
> threads in a relatively clean manner:
> 
> + FDM: Put a lock around the input and output stages (or wrap them
>   into an object that can be placed in a synchronized queue) and let
>   the actual numerics work happen on a different CPU.  The advantage
>   here is that you can crank up the simulation rate quite a bit on
>   SMP/multicore boxes, leading to (at least with YASim) more stable
>   ground handling.

..and clusters.  ;o)

> + Audio: drive the "OpenAL" thread with a simple command stream from
>   the main loop.  One many systems, this will (might, if OpenAL
>   doesn't already do this) move the mixing off of the main CPU, which
>   is good.  Even better, it will decouple the audio stream from the
>   main loop latency issues and make "skips" easier to handle.
> 
> + Rendering: One idea here would be to "clone" a separate scene graph
>   (just the non-leaf animation nodes, really) and let one thread (the
>   renderer) draw it while another (the main loop) gets the next one
>   ready for rendering.  When done, you do a synchronized "graph swap",
>   or even triple-buffer it for higher throughput at the expense of
>   latency.  This would require significant surgery to the existing
>   model/animation code (and, to a lesser extent, the GUI and tile
>   code) to store the property values somewhere instead of reading them
>   at render-time.

..can we get both multi screen wrap around cockpit style immersion movie
theaters and formation flight?  

> + Everything else: This thread would contain the existing main loop,
>   and its basic structure wouldn't change.
> 
> Note that this design allows threads live by relatively simple rules.
> The main loop doesn't change much except where direct calls are
> replaced by commands to be queued.  And the worker threads all work
> only on their internal data; they don't need (and are forbidden) to
> touch external state like the property tree.
> 
> The first two could be done with fairly minimal code, actually.  The
> renderer changes would be more significant.



-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.


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Re: [Flightgear-devel] Winter Textures - screenshot

[Arnt Karlsen]

On Sun, 23 Oct 2005 23:11:19 +0200, Oliver wrote in message 
<[EMAIL PROTECTED]>:

> On Sunday 23 October 2005 22:16, Ralf Gerlich wrote:
> > Hi,
> >
> > Arnt Karlsen schrieb:
> > > On Sat, 22 Oct 2005 11:27:56 +0200, Ralf wrote in message
> > >
> > >>I'd say we need different texture-names for lakes which freeze in
> > >the >winter and those that don't.
> > >
> > > ..aye.  Delay lake freezing around river mouths and speed thawing
> > > there, the currents.  We want Artic ocean 'n bay 'n fjord freezing
> > > too?  ;o)
> >
> > Erm, ok...working on custom scenery all the time I forgot that the
> > VMAP0 data does not give us this information. %-)
> >
> 
> Does VMAP0 data has different data for salt water and freshwater?
> 
> If yes, then:
> // Beginning Pseudocode 
> 
> if (water==freshwater)
> {
>if (temperature < 0 )

..Kelvin?   ;o)

>{
>   usetexture(freshwater_freezed);
>}
>else
>{
>  usetexture(freshwater_unfreezed);
>}
> }
> else
> {
>   usetexture(saltwater);

..freezes too, the salt just drops the freezing a coupla degree (or
Kelvin ;o) ), depending on salinity.  Most lakes above sea level stay
fresh because the salt is run off to sea or a lower lake, like the Dead
Sea in between Palestine and Jordan.  The higher-than-sea-level 
salty lakes are usually quite far from the seas.

> }
> 
> 
> 
> This is not a perfect solution, but better than nothing in most cases.
> :)

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.


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Re: [Flightgear-devel] Winter Textures - screenshot

[Arnt Karlsen]

On Sat, 22 Oct 2005 11:27:56 +0200, Ralf wrote in message 
<[EMAIL PROTECTED]>:

> Hi,
> 
> Dave Culp schrieb:
> > screenshot:  http://home.comcast.net/~davidculp2/PC7-winter.jpg
> > 
> > 
> > BTW, my lakes are still blue.  Do we need an ice-water texture?
> 
> The Lake of Constance - the greatest lake in German-speaking Europe - 
> only seldomly freezes. The last so-called "Seegfr�rne"
> ("lake-freezing"  in the local dialect) was in the 60's.
> 
> I'd say we need different texture-names for lakes which freeze in the 
> winter and those that don't.

..aye.  Delay lake freezing around river mouths and speed thawing there,
the currents.  We want Artic ocean 'n bay 'n fjord freezing too?  ;o)

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] Re: A question regarding accurate taxiways

[Arnt Karlsen]

On Mon, 17 Oct 2005 17:50:00 + (UTC), Martin wrote in message 
<[EMAIL PROTECTED]>:

> You won't be able to reverse-engineer the shape of such a junction
> because in real live they don't follow geometric perfection.

..maybe use some curve fitting library to generate those shapes at
runtime?

[EMAIL PROTECTED]:~ $ apt-cache search "curve fitting"
fityk - general-purpose nonlinear curve fitting and data analysis
[EMAIL PROTECTED]:~ $ apt-cache search --full "curve fitting"
Package: fityk
Priority: optional
Section: science
Installed-Size: 3084
Maintainer: Carlo Segre <[EMAIL PROTECTED]>
Architecture: i386
Version: 0.5.1-2
Depends: libc6 (>= 2.3.5-1), libgcc1 (>= 1:4.0.1), libncurses5 (>=
5.4-5), libreadline5, libstdc++6 (>= 4.0.1), libwxgtk2.4-1 (>=
2.4.4.1.1) Recommends: gnuplot
Suggests: menu
Filename: pool/main/f/fityk/fityk_0.5.1-2_i386.deb
Size: 1144392
MD5sum: a72ffd8d76510b9290668b383a0bc2cb
Description: general-purpose nonlinear curve fitting and data analysis
 Fityk is a flexible and portable program for nonlinear fitting of
analytical functions (especially peak-shaped) to data (usually
experimental data). In other words, for nonlinear peak separation and
analysis. .
 It was developed for analyzing diffraction patterns, but can be also
used in other fields, since concepts and operations specific for
crystallography are separated from the rest of the program.
 .
 Fityk offers various nonlinear fitting methods, subtracting background,
 calibrating data, easy placement of peaks and changing peak parameters,
 automation of common tasks with scripts, and much more. The main
advantage of the program is flexibility - parameters of peaks can be
arbitrarily bound to each other, eg. the width of a peak can be an
independent variable, can be the same as the width of another peak or
can be given by a complicated - common to all peaks - formula.
 .
 Homepage: http://www.unipress.waw.pl/fityk/

[EMAIL PROTECTED]:~ $

..it might be a clever idea and could even a smart idea but 
I'm not gonna be saying it's a wise idea.  ;o)

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.


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Re: [Flightgear-devel] ..we're not re-inventing pcproxy?, was

[Arnt Karlsen]

On Sun, 16 Oct 2005 19:11:51 +0200 (IST), Vassilii wrote in message 
<[EMAIL PROTECTED]>:

> > > I wonder if the flightgear server though
> > > should support the fsd protocol at some future point of time
> > > to be a gateway between our and VATSIM/IVAO flying...
> >
> > It's not a matter if it _should_ or not. The relevant details of the
> > protocol, at least as used by VASTIM, are 'closed',
> 
> Security by obscurity, as far as I am reading the forums... stupid.
> Apparently the pcproxy is in Debian (which made me believe we can
> interface the protocol, too) because it just forwards the packets
> w/o examining their contents too much.
> 
> Hopefully one day we'll provide an open source alternative to that.

..one way is simply set up a pcproxy box to interface between 
our stuff and the VATSIM/IVAO guys.  Or, between our stuff 
and http://www.wbfree.net/index.php  ;o)

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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[Flightgear-devel] ..we're not re-inventing pcproxy?, was README.multiplayer update

[Arnt Karlsen]

On Sat, 15 Oct 2005 11:36:22 +0200, Oliver wrote in message 
<[EMAIL PROTECTED]>:

> Am Freitag 14 Oktober 2005 19:28 schrieb Andy Ross:
> The NAT router will create a temporary IP/port combination for the
> client, and  this combination is what the server will see when
> receiving data. The server  assumes that this combination will not
> change. But this assumption is wrong,  especially with UDP as there is
> no "connection". So the server has to reread  the port from the UDP
> header everytime it reseives new data from the client  and recreate a
> socket for it (and clse the existing one of course). That will result
> in multiple create/close socket operations per second for  every
> client. And that will simply result in multiple "already in use"
> errors  per second.
> You can argue that you've never noticed such NAT behavior, and you are
>  possibly right. But it will really only work with a so called "cone
>  NAT 
> router", which will make IP/port combination persistent.
> 
> Interesting reading, although not directly connected to this
> discussion, is: http://gnunet.org/papers/nat.pdf

..we're not re-inventing pcproxy, are we?
[EMAIL PROTECTED]:/var/www/01-gas/fmb.no/gas $ apt-cache --full show pcproxy
Package: pcproxy
Priority: optional
Section: games
Installed-Size: 196
Maintainer: Kees Leune <[EMAIL PROTECTED]>
Architecture: all
Version: 1.1.1-2
Depends: tk8.0 | tk8.2 | tk8.3 | tk8.4
Filename: pool/main/p/pcproxy/pcproxy_1.1.1-2_all.deb
Size: 38294
MD5sum: 8d02f7c3a9d11db4938697f32e3c0239
Description: A masquerading proxy for flight simulation networks
 PCProxy allows multiple flight simulation clients to share a single
network connection to a flight simulation network, such as VATSIM or
IVAO, which is based on the fsd (Flight Simulator Daemon) protocol. This
is particulary useful for players who wish to have multiple network
clients active at the same time. In tech-terms, PCProxy is a
multi-connect masquerading proxy for fsd traffic over TCP/IP.
 .
 PCProxy currently only supports networks which operate using the fsd
 protocol, like VATSIM and IVAO.
Tag: use::proxying



-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.


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Re: [Flightgear-devel] Multiplayer ports

[Arnt Karlsen]

On Sat, 15 Oct 2005 10:30:44 +0100, Jim wrote in message 
<[EMAIL PROTECTED]>:

> Hi guys,
> Without wishing to start a flame war and perhaps starting another 
> thread!!
> Anyone transmitting un-encrypted data across a world wide internet (as
>  opposed to a "private" intranet) needs to think ahead a little. Every
>  
> hacker will be rubbing their hands with glee before trying to hit you 
> on these ports you have just announced. A server/client or even 
> peer-to-peer client can implement TLS/SSL fairly easily. For those
> with  restricted firewalls you can tunnel through SSH port 22 if you
> want to  keep it simple. Firewall/NAT configurations are difficult
> enough for  admins to configure without having to allow special
> FlightGear port  rules to allow access to ports on machines
> in-the-clear which may then  get hacked thus compromising the security
> of everyone behind the  firewall.

..yes, but can ssh give us any good udp tunnelling?

> Maybe I am paranoid (well known for it in my previous job!) but a 
> denial-of-service attack on your multi-player ports will soon wreck 
> your response times!
> cheers
> Jim

..try put an outboard in your kettle and casually wield a chainsaw 
on asking the white coat guys for constructive critisism.  ;o)

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] DME range

[Arnt Karlsen]

On Sat, 15 Oct 2005 13:02:48 +0200 (IST), Vassilii wrote in message 
<[EMAIL PROTECTED]>:

> > > With VOR-DME it is definitely the slant range. I don't know about
> > > VORTACs, never flew a TACAN-equipped aircraft in the real life...
> >
> > ..sure?  If you flew red star planes during the Cold War, you guys
> > would be using similarly working gear but with other names?
> >
> 
> Hehe :-) I haven't come of age when the Cold War eneded, and my
> private pilot certificate (PP-ASEL) is US-issued :-)
 
..brat.  ;o)   Jolly good thing Mathias Rust didn't carry a nuke to the
Red Square.  :o)

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] DME range

[Arnt Karlsen]

On Fri, 14 Oct 2005 12:04:09 +0200 (IST), Vassilii wrote in message 
<[EMAIL PROTECTED]>:

> > Does anyone know if the DME calculation to a VORTAC is based on
> > slant range? Noticed when flying over a fix say at FL350, the range
> > goes down to zero at station passage. It should be the AGLvalue of
> > the aircraft over the station.
> > OTH a waypoint based on radial intersections or GPS would go to
> > zero.
> 
> With VOR-DME it is definitely the slant range. I don't know about
> VORTACs, never flew a TACAN-equipped aircraft in the real life...

..sure?  If you flew red star planes during the Cold War, you guys 
would be using similarly working gear but with other names?

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.


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[Flightgear-devel] ..picky preach to the choir, was: A revised README.Joystick.html

[Arnt Karlsen]

On Fri, 14 Oct 2005 10:58:51 +0200, Melchior wrote in message 
<[EMAIL PROTECTED]>:

> * [EMAIL PROTECTED] -- Friday 14 October 2005 10:23:
> 
> > At the company where I work as an IT guy if we update someone's work
> > we add ourselves as the author so that people can see who are the
> > authors and ask questions about the document to the new author also.
> 
> I would still not call that "author". Just editor. 

..say "maintainer", if you mean the guy who updates old docs and answers
questions etc.

..adding new content to something old, you become an author.  Too.  
But not the original author to the document.  Only to whatever you add
to it.  Also when that "add" word means remove old stuff.  ;o)

> And I know this only as adding a copyright line with appropriate date,
> and mostly in source code. This isn't normally done in fgfs documents
> AFAIK. There's ususally only one -- the real -- author named in the
> documents.

..say "original".  

> All fgfs developers that edit the file can be found in the cvs log and
> are of no interest to the reader.

..that would depend on the reader's purpose for his reading.  ;o)

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.


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Re: [Flightgear-devel] A question regarding accurate taxiways

[Arnt Karlsen]

On Fri, 14 Oct 2005 18:54:47 +0200, Harald wrote in message 
<[EMAIL PROTECTED]>:

> Martin Spott wrote:
> 
> >  Erik Hofman wrote:
> >
> > > To my opinion the X-Plane format isn't qualified for accurate
> > > runway and taxiway layout.
> >
> > This is Harald's opinion as well as mine ! _But_: Our opinion on
> > this format actually does not change it. Right ?
> > And as long as FG sticks to rely on this X-Plane data it makes
> > little sense to generate airports in a different format - as long as
> > we are  unable to convert back and forth. For example it would be a
> > nice feature to automagically create outlines and a centerline from
> > X-Plane data and create a set of overrides from FAA/SIA/whoever
> > data.
> > 
> I can see two kind of airports in the Robin database :
> - those with detailed taxiways and apron : they have no more any
> taxiway  description because the mass of little pseudo-apron used to
> make details and curves have  replaced the one or two default taxiways
> ; - those without detaild taxiways; they have one or two taxiways
> paralel  to the runways.
> So I have the feeling that we can not extract any meaningfull 
> information from the runways data from this database, the side effect
> is that there is no need to convert  from one format to another 
> hypothetical format.
> 
> > Probably we are going to merge this data into a single set of
> > airport descriptions in vector format for FlightGear. What are we
> > going to do if something is being changed in Robin's database ? Are
> > we going to maintain a parallel database ?
> > 
> We have 20.000+ airports in Robin base, we want to change 50 or 500 of
> them. I think we should keep Robin's database and use it as we use it
> today, and use a  new database for the few airports we want to upgrade
> with a new format.
> 
> Durk Taslma is using a network to describe the ground traffic pattern,
> we are no more talking about polygons.

..IMHO, the wise thing to do is extend Robin's database format to do our
thing the way we wanna do it, and use that to win him over our way
exporting to his format, and ship him both. Robin's user's corrections
remains useful to us, even if they stick with their current format. 

..and, we can reel them in pretty nicely our way setting up a web site
"taxi way editor" app for user input of their  database corrections, to
output the corrected data on the spot, and in both formats.

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.


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Re: [Flightgear-devel] [PATCH] README.multiplayer update

[Arnt Karlsen]

On Thu, 13 Oct 2005 22:36:43 +0200 (IST), Vassilii wrote in message 
<[EMAIL PROTECTED]>:

> > > +
> > > +Options needed to enable multiplayer game with a server:
> > >  Player1:
> > > ---multiplay=out,10,serveraddress,6000
> > > --multiplay=in,10,myaddress,5500
> 
> I'm confused. The CVS had my patch accepted, I updated from the CVS,
> and I see no occurence of the number 6000 in README.multiplayer now.
> 
> > ..this works ok with X in lan's?  (X uses port 6000 too.)
> 
> Apparently not.

..aouch.  Ok, the first X session on any box will use port 6000, the
next 6001 etc, similarly 5900, 5901 upwards for vnc etc.

..how about putting the server on 5500 "like we have done", and
commandeer 5501 upwards for all clients?  
(Assuming they're vacant?  Excluding non-FG app ports, 
I suspect METAR fetches has an established procedure, 
with ports and all.)

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.


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Re: [Flightgear-devel] [PATCH] README.multiplayer update

[Arnt Karlsen]

On Wed, 12 Oct 2005 02:27:08 +0200 (IST), Vassilii wrote in message 
<[EMAIL PROTECTED]>:

> +
> +Options needed to enable multiplayer game with a server:
>  Player1:
> ---multiplay=out,10,serveraddress,6000
> --multiplay=in,10,myaddress,5500

..this works ok with X in lan's?  (X uses port 6000 too.)

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] Re: Adding Reverse thrust to the b1900d

[Arnt Karlsen]

On Mon, 3 Oct 2005 16:43:52 +0200, Melchior wrote in message 
<[EMAIL PROTECTED]>:

> * Martin Spott -- Monday 03 October 2005 16:36:
> > Didn't some asian airline 'lose' a B767 after the reverser was
> > activated on _one_ engine during flight ?
> 
> It was *in* Asia, but an Austrian airline: Lauda Air. It was caused
> by a software bug.
> 
>   
> http://www.rvs.uni-bielefeld.de/publications/Incidents/DOCS/ComAndRep/LaudaAir/LaudaSYN.html

..has anyone here tried redo this flight in FG?  

..that rudder trim requirement, could that be the outboard
reverser door swinging open into the thrust jet, deflecting it?

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.


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Re: [Flightgear-devel] Microsoft artwork (!) in the 707 panel

[Arnt Karlsen]

On Mon, 03 Oct 2005 21:09:53 +0200, Georg wrote in message 
<[EMAIL PROTECTED]>:

> Hans-Georg Wunder schrieb:
> 
> > ...
> > - Do we have a place to store aircrafts with uncompliant aircrafts
> > ???
> 
> 
> Hi Hans-Georg,
> there is an AVSIM category in the file library named "FlightGear" with
> 4  sub-categories: - base distribution, - source code, -scenery and
> terrain and  miscellaneous files.
> You could place anything there as it is your problem and risk and not 
> related to FlightGear if there are copyright problems but I think this
> is not prudent and useful. And you would be pretty lonely there as
> only 1 (!) file is there, in the  wrong category and with obvious
> copyright infringements as the 747 repaint is a commercial  movie
> theme.

..seriously, 0 is enough for trouble makers.  http://groklaw.net/

> Despite the bad place I will upload a tool to AVSIM as the license of 
> the compiler is "a non profit and personal" one and I don't want any
> problems for  FlightGear.
> In Germany it is pretty clear that I am allowed to give this *.exe to 
> other people as long as I do not take money with it. But what's about
> other parts of the  world? I don't know.

..you wanna ask "please help me find the copyright owners to these
files" on putting _any_ of these online.

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.


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Re: [Flightgear-devel] mp3 intro

[Arnt Karlsen]

On Mon, 03 Oct 2005 12:55:15 +0200, Erik wrote in message 
<[EMAIL PROTECTED]>:

> Ladislav Michnovič wrote:
> > Hello.
> > I want to ask if it is poissible to  substitute intro mp3 with wav
> > or ogg format.
> > Because of legal problems distributing the mp3 playing software in
> > USA with  linux distro, like SuSE LINUX, it will be fine if this
> > only mp3 dissapears.
> 
> We could actually argue whether we still want the intro music option
> to  be available. It hasn't been on by default since FlightGear 0.8.x
> I think.

..3 very good reasons for an _optional_ ogg or wav.  ;o)

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] Adding Reverse thrust to the b1900d

[Arnt Karlsen]

On Sun, 2 Oct 2005 13:10:35 -0400, Ampere wrote in message 
<[EMAIL PROTECTED]>:
> >
> > If I want to bind it to the throttle instead, can I make the idle
> > position to cut in at about 10% of the range of the stick with the
> > reverser starting to kick in below that point.
> Bad idea.  You don't want the pilot to accidently deploy the thrust
> reverser  in mid air when all he/she wants to do is slowing down.

..very true.  However some idiots build their planes this way, and even
gets away with selling them this way.  So, is FG a truthful simulator,
or a "good idea game"?  ;o)

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] Microsoft artwork (!) in the 707 panel

[Arnt Karlsen]

On Wed, 28 Sep 2005 17:06:40 -0400, Jim wrote in message 
<[EMAIL PROTECTED]>:

> > From: Andy Ross
> > 
> > Hans-Georg Wunder wrote:
> > > In the package there is a GPL-license.
> > > If this is enough, then everything is OK regarding the panel.
> > 
> > Unfortunately, due to clear evidence of (minor, admittedly)
> > copyright violation, this is not enough.  The issue isn't license
> > compatibility, it is copyright ownership.  John Carty cannot legally
> > grant a license to artwork he does not own.  We need to be 100% sure
> > that the people granting the license (GPL or otherwise) own the
> > copyright.
> > 
> > > I wrote John a mail and told him, what Iam going to do,
> > > but I got no answer.
> > 
> > At this point, I think a statement from Mr. Carty is really the only
> > thing that will be acceptable.  It's possible he didn't understand
> > the rules, and generated some of the artwork via screenshots of
> > other aircraft in MSFS.  That's a showstopper for us.
> > 
> > Obviously Innis's model and FDM configuration are fine.  But my
> > strong suggestion is not to commit the panel until we can trace the
> > history of every image in it.
> > 
> 
> Andy's view on this is the same as my own.  If OSS developers learned
> a lesson from SCO it is this.  Although it is hard to see now,  some
> day FGFS or a derivative is likely to be a real threat to whatever is
> left of the future MSFS desktop market and the last thing we want to
> do is give some bunch of copyright lawyers a toehold.

..aye.  http://groklaw.net/   We're not too worried about tSCOG 
anymore, ;o)  but we do peel off layer by layer onion peel style 
who's done what etc and who's next and why and how etc.  ;o)
So, John Carty, your statement, please.

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.


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Re: [Flightgear-devel] Crash carnage

[Arnt Karlsen]

On Sun, 25 Sep 2005 14:12:13 -0500, Curtis wrote in message 
<[EMAIL PROTECTED]>:

> Arnt Karlsen wrote:
> 
> > ..ahem, the big guys use opening shock damper rings to keep chute
> > loads safe throughout the speed range, these rings use the chute
> > opening loads to slow the chute opening.  ;o)
> > 
> 
> Except that I heard a story recently about a guy that got himself into
> a  bad high speed situation, deployed the chute and had is airplane 
> shreaded to pieces.  They probably have systems in place (as you 
> suggest) to minimize potential problems, but a chute obviously can't 
> handle every situation.

..true, is why you time it or hook up an autopilot to deploy it.

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] Crash carnage

[Arnt Karlsen]

On Sat, 24 Sep 2005 15:33:39 -0500, Curtis wrote in message 
<[EMAIL PROTECTED]>:

> One thing we'd like to do that wouldn't be too technically difficult 
> would be to get a 2nd receiver on the same channel as the aircraft but
>  keep it on the ground.  Pipe the servo outputs from the ground based 
> receiver into a little PIC board and decode the PWM signals coming in
> on  each channel and send them out the serial port to the ground
> station.  

..the classic way is one pen per servo drawing on a roll of paper. ;o)

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] Crash carnage

[Arnt Karlsen]

On Sat, 24 Sep 2005 14:07:22 -0500, Curtis wrote in message 
<[EMAIL PROTECTED]>:

> Dave Martin wrote:
> 
> >Ouch! :(
> >
> >Just a thought, many years ago I watched a demo of a BRS for a model
> >plane at  Cosford in the UK. Apparently it was very lightweight but
> >had clever  triggering. In the event that the radio signal
> >(controller to plane) was  lost, the system cut the fuel off to the
> >motor and released a spring loaded  BRS which brought the model down
> >for a vertical but gentle landing.
> >
> >Could you fit something like this on the UAV for loss of contact
> >events?
> >
> 
> It's definitely an interesting thought.  Anyone know what size
> parachute  a person would need to gentle let down about 15 lbs (7kg)? 

..AFAIR, the MATS-C drone chutes are round,  about 2 meters diameter,
I'll need to chk that.  The MATS-C is a pussycat, about 5.5 kgs plus
fuel, so we usually bellyland it.  I have had 5 or so failed chute
deployments, so you want a spring or something to throw your chute into 
the breeze,  you cannot trust airflow to be strong enough to suck out
the chute.

> Many R/C receivers have a failsafe mode so you can trigger the servos
> to go to preset locations in the event of a transmitter signal loss. 

..which should be timed.  In the old days, I suggested prompt idle, and
kill power and shoot out the chute at say 5 seconds, 10 second tops.
Now, with computers onboard... ;o)

> The danger is probably similar to the danger the full size BRS units
> have ... if you deploy the chute at a high speed, you are going to
> tear your airplane to shreads.

..ahem, the big guys use opening shock damper rings to keep chute loads
safe throughout the speed range, these rings use the chute opening loads
to slow the chute opening.  ;o)

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] new multiplayer patch

[Arnt Karlsen]

On Wed, 21 Sep 2005 13:21:27 +0200, Erik wrote in message 
<[EMAIL PROTECTED]>:

> AJ MacLeod wrote:
> 
> > Certainly...  Unfortunately it appears that the problem (for
> > whatever reason)  is still there...
> > 
> > http://www.adeptopensource.co.uk/personal/fg/server_map_screenshot.png
> 
> Hmm, this looks like a signed/unsigned mismatch.

..fwiw, this is precisely how Google Maps looks in Konqueror and
those-other-than-Firefox web browsers I've tried, appending "fc=1"
immediately turns off Google's somewhat whiny browser "support" 
check page and dumps you a more or less ok map page.


-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.


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Re: [Flightgear-devel] quick newbie questions

[Arnt Karlsen]

On Fri, 16 Sep 2005 09:42:09 -0500, Drew wrote in message 
<[EMAIL PROTECTED]>:

> Still sorting through some docs, but I'm curious, is it possible to
> use flight gear as a generic visualization tool? What I'd like to do
> is have two or three UAV's flying around with (so would need multiple
> flight models active at once), and an api interface for these flight
> models to be driven by some AI code I'll be cooking up. 

..like "yasim + JSBSim + stand-alone  JSBSim + LaRCsim + all 3 UIUC
iceing modelling fdm's", "each with its own tint" and "allowing mid-air
collisions between these fdms"?
That could let you fly "one" uav and let you see which fdm is off quite
easily, as they will diverge and "each will show its colors as it
leaves."
This multi-fdm idea will work until we start modelling downwash.
After that, we will need to run each fdm in "fdm spesic FG-layers." 

> I'd also like api interface for controlling the viewpoint, because
> being UAV's, there isn't a cockpit to be inside of :)
> Are there hooks for this stuff? Would it be hard to add, or should I
> start from a lower level with my own visualization using simgear as a
> base?

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.


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Re: [Flightgear-devel] Question: Online forums?

[Arnt Karlsen]

On Wed, 14 Sep 2005 11:21:59 -0600, [EMAIL PROTECTED] wrote in
message  <[EMAIL PROTECTED]>:

> I think a forum is a great idea.  The biggest advantage I see over
> most  mailing lists is that a forum is searchable.  I see too many
> F/OSS projects with mailing lists that aren't searchable.  Having a
> searchable forum/list really cuts down on duplicate questions. 

..huh?  Any modern email client can do backtraffic searches.

> Having said that, I really like phpBB for forum software.  It's
> actively developed, has a lot of mods, and has an active community. 
> It can also use PostgreSQL, so you won't have to use MySQL.
> 
> Another feature I really like is a mod for phpBB called "Mail 2 Forum"
>  or m2f. It allows people to post and see responses to a forum using 
> e-mail.  It's a nice feature if you have some people who want a forum
> and some who want a mailing list.  I've used this mod in the past and
> it's pretty neat.
> 

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] Re: Question: Online forums?

[Arnt Karlsen]

On Thu, 15 Sep 2005 09:53:14 +0200, Erik wrote in message 
<[EMAIL PROTECTED]>:

> Alex Perry wrote:
> > From: "Curtis L. Olson"
> > > - I'm getting really sick of spam.  I think we do a pretty good
> > > job of protecting the list members themselves, but the list
> > > admins get continually pummeled with spam rates measured in
> > > messages per hour and sometimes messages per minute ...
> > 
> > Fix the real problem.  Make the admin messages go through a
> > procmail. An autoresponse tells people to use the web page
> > subscribe/unsubscribe if they're having trouble, mentions the
> > message size limit, points out the web archive of old traffic, and
> > explains that anybody really wanting to contact the list admins
> > should be able to figure it out using Google.
> 
> Maybe that can be a good solution, create an autoresponder that
> returns  instructions on how to contact the mailinglist admin using a
> web page?

..yup, could be a web email form page.

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.


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Re: [Flightgear-devel] Question: Online forums?

[Arnt Karlsen]

On Wed, 14 Sep 2005 11:21:59 -0600, [EMAIL PROTECTED] wrote in
message  <[EMAIL PROTECTED]>:

> I think a forum is a great idea.  The biggest advantage I see over
> most  mailing lists is that a forum is searchable.  I see too many
> F/OSS projects with mailing lists that aren't searchable.  Having a
> searchable forum/list really cuts down on duplicate questions. 

..huh?  Any modern email client can do backtraffic searches.

> Having said that, I really like phpBB for forum software.  It's
> actively developed, has a lot of mods, and has an active community. 
> It can also use PostgreSQL, so you won't have to use MySQL.
> 
> Another feature I really like is a mod for phpBB called "Mail 2 Forum"
>  or m2f. It allows people to post and see responses to a forum using 
> e-mail.  It's a nice feature if you have some people who want a forum
> and some who want a mailing list.  I've used this mod in the past and
> it's pretty neat.
> 

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] Re: [Flightgear-users] RE: Turbine Engine (Concorde, Hunter, and Citation Information Needed)

[Arnt Karlsen]

On Tue, 06 Sep 2005 20:33:09 +0200, Christian wrote in message 
<[EMAIL PROTECTED]>:

> AFAIK Porsche were the only ones that have build an extra electrical
> motor to turn the turbo after shut down. As car turbos get turned only

.."turn the turbo"???  You mean "pump lube oil thru it till it's as cool
as the engine"?

> by aerodynamic forces it is much more difficult to add an extra motor
> than with gas turbines or jet engines (that allways need an gear box
> to get started - execpt perhaps the model engines)


-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] [EMAIL PROTECTED] Conference

[Arnt Karlsen]

On Sun, 21 Aug 2005 07:48:35 -0500, Jon wrote in message 
<[EMAIL PROTECTED]>:

> I'd give a lot to know what these two papers are presenting! See
> below:

..looks a lot like FUD to me, best handled by Groklaw or the Nazgul. ;o)
 
> [EMAIL PROTECTED] Conference
> 26 - 29 Sep 2005
> Hyatt Regency Crystal City
> Arlington, Virginia
> 
> Session 71  COTS Software in Mission Critical Systems
> 
> 0930
> AIAA-2005-7108
> Open Source Software: Cheap Isn't Exactly Free!
> B. Calloni, J. McGowan, and R. Stanley, Lockheed Martin Corporation,
> Fort Worth, TX
> 
> 1000
> AIAA-2005-7106
> Bazaar Meets Cathedral: Concerns About Open Source Software in Mission
> Critical Systems [invited]
> R. Kwan, Lightsaber Computing, Fremont, CA

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] OT: Mojave, CA

[Arnt Karlsen]

On Fri, 05 Aug 2005 16:10:54 -0500, Curtis wrote in message 
<[EMAIL PROTECTED]>:
 
> The Draken is a really impressive bird, especially considering the era 
> in which it was designed.  The US is pretty cocky about stuff invented 
> over here, but the Draken had some really impressive specs for it's day.
 
..me, I'm just wondering how their J22 would have done at altitude with 
turbos off interned B-17F|G's. http://anycities.com/user/j22/j22/  ;o)

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.


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Re: [Flightgear-devel] NVIDIA 1.0-7667 breaks shadows entirely.

[Arnt Karlsen]

On Mon, 01 Aug 2005 23:08:03 +0200, Gerard wrote in message 
<[EMAIL PROTECTED]>:

> Le lundi 01 août 2005 à 21:53 +0200, Arnt Karlsen a écrit :
> 
> > >  Being Nvidia and X installed , i continu to search a good answer
> > >  :
> > > After many experimentations,
> > > I did not notice any change between 24bpp and 32 bpp.
> > 
> > ...glxgears, FlightGear etc f/s?
> 
> Ouaf. glxgears isn't  a representative benchmark, with it we
> cannot get a good performance analysis. 

..I said "etc".  ;o)

> I have played to demonstrate that my old ati 9200 and my other old
> nvidia 5200 is better than the NVIDIA 6600GT.
> 
> assuming we use the Nvidia 7xxx  driver  (not the 6xxx)  
> 
> FG says 6600GT is x2.5 more (32 bpp or 24 seem the same performance )
> 
> Celestia says  (depending on the render choice) from x3 to x4 more
> (probably 32bpp, my Xserver  is permanently 32bpp)

..benchmark start-up commandline ideas will help benchmark apples 
and oranges, as such, rather than as bananas and pineapples.  ;o)
 
> > > I am not an expert in graphics development, may be the differences
> > > depends on the GPU itself  and the capability to handle both
> > > definitions, 
> > > The main question could be about CPU: 
> > > does CPU time used and is it any losses with one or the other ?  
> > > 
> > > Does somebody can give an answer ?
> > 
> > ...pass, what I learned from my own research on gpu's before buying
> > an ATI 9250 clone, is ATI are "native 24bpp" and "24bpp only", where
> > Nvidia is "1x32bpp or 2x16bpp", suggesting "ATI would suck at 16bpp
> > doing less than 3x8bpp" and "at 32bpp not being able to see or make
> > any use of the top 8 bits."   
> > My understanding of Nvidea is "their cards should work better at
> > 32bpp and 16bpp than at 24bpp, because 24bpp wastes half a 16bpp
> > engine."
> > 
> > 
> Ok , i will try to analyse it. 
> 


-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.


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Re: [Flightgear-devel] NVIDIA 1.0-7667 breaks shadows entirely.

[Arnt Karlsen]

On Mon, 01 Aug 2005 18:14:16 -0400, Josh wrote in message 
<[EMAIL PROTECTED]>:

> Arnt Karlsen wrote:
> 
> > ..pass, what I learned from my own research on gpu's before buying
> > an ATI 9250 clone, is ATI are "native 24bpp" and "24bpp only", where
> > Nvidia is "1x32bpp or 2x16bpp", suggesting "ATI would suck at 16bpp
> > doing less than 3x8bpp" and "at 32bpp not being able to see or make
> > any use of the top 8 bits."   
> > My understanding of Nvidea is "their cards should work better at
> > 32bpp and 16bpp than at 24bpp, because 24bpp wastes half a 16bpp
> > engine."
> > 
> > 
> 
> >From what I understand, 24bpp is the same amount of data as 32bpp. It
> just signifies that there is a separate alpha channel. Since this is
> not strictly 'color' the last 8 alpha bits are not counted in the
> color depth. 

..yes, but does this impact 32bpp performance relative to 24bpp and
"not" 24bpp relative to 16bpp like it "should" on ATI's and "should not"
on Nvidea and vice versa?

> Still, each pixel takes up 32 bits of memory. 

..my understanding is ATI cannot do 32bpp math at all, their gpus
are "24bpp only", while Nvidea gpus does both 16bpp and 32bpp 
"but not 24bpp."  
Strategic gpu HW design choises made a decade or so back.

> ATI cards do 16bpp just the same as all the other cards, 16 bits of
> color and nothing else. (red and blue get 5bpp, green I think is the
> one that gets 6bpp)

..true, at the same speed as they will do 24bpp, 15bpp and 
possibly also 8bpp, I doubt ATI gpu's has a 3x8bpp mode, 
Nvidea however talks about a 2x16bpp and an 1x32bpp mode.

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.


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Re: [Flightgear-devel] NVIDIA 1.0-7667 breaks shadows entirely.

[Arnt Karlsen]

On Mon, 01 Aug 2005 15:13:54 +0200, Gerard wrote in message 
<[EMAIL PROTECTED]>:

> Le lundi 01 août 2005 à 00:18 +0200, Arnt Karlsen a écrit :
> > On Sat, 30 Jul 2005 16:40:58 +0200, Oliver wrote in message 
> > <[EMAIL PROTECTED]>:
> > 
> > > On Saturday 30 July 2005 16:25, Dave Martin wrote:
> > > > I don't know if anyone has brought this up yet but the 1.0-7667
> > > > driver from NVIDIA for linux breaks the drawn shadows as in they
> > > > don't appear at all.
> > > >
> > > > This tested and confirmed on a FX5800U and 6600GT PCIE
> > > >
> > > > Dave Martin
> > > 
> > > No, it works here.
> > > You just need to start flightgear in 24 bit mode. 
> > > fgfs --bpp=24
> > 
> > ...does " --bpp=32 " work any better than 24bpp for you?
> > (Assuming X run at 32 on Nvidia cards)
> > 
>  Being Nvidia and X installed , i continu to search a good answer :
> After many experimentations,
> I did not notice any change between 24bpp and 32 bpp.

..glxgears, FlightGear etc f/s?

> I am not an expert in graphics development, may be the differences
> depends on the GPU itself  and the capability to handle both
> definitions, 
> The main question could be about CPU: 
> does CPU time used and is it any losses with one or the other ?  
> 
> Does somebody can give an answer ?

..pass, what I learned from my own research on gpu's before buying an
ATI 9250 clone, is ATI are "native 24bpp" and "24bpp only", where Nvidia
is "1x32bpp or 2x16bpp", suggesting "ATI would suck at 16bpp doing less
than 3x8bpp" and "at 32bpp not being able to see or make any use of
the top 8 bits."   
My understanding of Nvidea is "their cards should work better at 32bpp
and 16bpp than at 24bpp, because 24bpp wastes half a 16bpp engine."


-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.


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Re: [Flightgear-devel] suggestions/questions regarding multiplayer

[Arnt Karlsen]

On Mon, 1 Aug 2005 18:59:21 +0100, David wrote in message 
<[EMAIL PROTECTED]>:

> Harald JOHNSEN writes:
> 
> > Oliver Schroeder wrote:
> > 
> 
> > >2) chat messages
> > >[...]
> > >protocoll supports chat-messages and the ATC-module has functions
> > >to queue  and display them on screen. So it should'nt be too hard
> > >to combine them and  enable chat-messages. Somebody willing to give
> > >it a try?
> > >  
> > >
> > As Pigeon said, make that a separate window, because the ATC line is
> > 
> > allready nearly impossible
> > to read ;) It should not be hard to code but the atc code is not
> > good  for that (anyway it does not
> > queue messages).
> > 
> 
> Correct - it's not intended to queue messages.  Messages transmitted
> at the same time end up displayed on top of each other and appear
> garbled, much as messages transmitted at the same time probably sound
> garbled, screeched, or one non-existant in real life.  All the message
> collision logic is in the ATC and AI units, which attempt to speak
> only when the frequency is clear.  There are a few bugs in there, so
> sometimes garbled speech occurs!

..garbled speech occurs in RL too.  Bug in RL, feature in FG.  ;o)

> I do agree though that the basic ATC display can be nearly unreadable
> under some colour conditions - it's very much a quick hack ;-)


-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.


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Re: [Flightgear-devel] NVIDIA 1.0-7667 breaks shadows entirely.

[Arnt Karlsen]

On Sat, 30 Jul 2005 16:40:58 +0200, Oliver wrote in message 
<[EMAIL PROTECTED]>:

> On Saturday 30 July 2005 16:25, Dave Martin wrote:
> > I don't know if anyone has brought this up yet but the 1.0-7667
> > driver from NVIDIA for linux breaks the drawn shadows as in they
> > don't appear at all.
> >
> > This tested and confirmed on a FX5800U and 6600GT PCIE
> >
> > Dave Martin
> 
> No, it works here.
> You just need to start flightgear in 24 bit mode. 
> fgfs --bpp=24

..does " --bpp=32 " work any better than 24bpp for you?
(Assuming X run at 32 on Nvidia cards)

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.


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Re: [Flightgear-devel] Free simulator of the Frecce

[Arnt Karlsen]

On Fri, 29 Jul 2005 15:02:04 + (UTC), Martin wrote in message 
<[EMAIL PROTECTED]>:

> Arnt Karlsen wrote:
> 
> > ..since we do have guns now in FG, and since Slobodan's shills
> > didn't  dare challenge my "rulings" ;o) on Geneva Convention
> > "disputes" in soc.culture.yugoslavia, alt.war.yugoslavia etc a
> > decade ago, I believe we can code both a kill score AI "engine", and
> > a war crime "score" AI, basing the latter on the full 4 Geneva
> > Conventions. 
> 
> I heavily object because this lets FlightGear definitely cross the
> line between serious simulation and war games,
> 
> Martin.

..overruled or sustained by any new code in cvs.  ;o)   

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] Free simulator of the Frecce Tricoloriaerobatic jet

[Arnt Karlsen]

On Fri, 29 Jul 2005 14:11:40 +0200, Gerard wrote in message 
<[EMAIL PROTECTED]>:

> > ..._sexy_ way to sneak in war game features: we need to model
> > anti-aircraft lava ammo 'n turbine blade ash etc damage.  ;o)
> > 
> 
> We don't need it, only watch the TV, and wait for Iraki News. :=(

..bull, I see no reason any of Sissy Boy George's idiot stunts should
stop any new FlightGear development.  

..since we do have guns now in FG, and since Slobodan's shills didn't 
dare challenge my "rulings" ;o) on Geneva Convention "disputes" in
soc.culture.yugoslavia, alt.war.yugoslavia etc a decade ago, I believe
we can code both a kill score AI "engine", and a war crime "score" AI,
basing the latter on the full 4 Geneva Conventions. 

..and, this latter bit can get us some seriously fat funding:
"FlightGear helps war game authors teach soldiers how 
to prevent war crimes."

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.


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Re: [Flightgear-devel] Free simulator of the Frecce Tricoloriaerobatic jet

[Arnt Karlsen]

On Thu, 28 Jul 2005 23:01:28 +0100, Lee wrote in message 
<[EMAIL PROTECTED]>:

> On Thursday 28 Jul 2005 15:15, Vivian Meazza wrote:
> > Dave Culp
> >
> > ... snip ...
> >
> > > The present system makes smoke/contrails by releasing AI
> > > objects rapidly. There are three problems with it now:
> > >
> > > 1)  Orienting the objects properly.  Only applies for long
> > > (i.e. cylindrical,
> > > rectangular) models.
> > >
> > > 2)  Matching the release rate to the airplane's speed.
> > >
> > > 3)  Making a smoke model that merges well with the others. 
> > > I've heard (on this list) that this may be a plib
> > > limitation.  It may require the use of a
> > > different visual model, like billboards or particle fields.
> > >
> > >
> > > On the other hand, maybe a whole new tactic is needed.
> >
> > I think Harald is working on this as an offshoot of his 3d
> > clouds. I'm quite sure we can't do better with the AI
> > ballistic approach as it stands.
> >
> > Vivian
> 
> I've been wondering if Harald's clouds could be adapted for 
> smoke, contrails, gun-puffs and touch-down smoke...
> 
> It started me thinking when I saw a 'tower' of 3d clouds over 
> some high ground and it looked like a pretty good volcano plume, 
> and it occurred to me that it could be possible to add pretty 
> good volcano hazards to FG.

.._sexy_ way to sneak in war game features: we need to model
anti-aircraft lava ammo 'n turbine blade ash etc damage.  ;o)

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] Free simulator of the Frecce Tricolori aerobatic jet

[Arnt Karlsen]

On Thu, 28 Jul 2005 09:34:13 -0700 (PDT), Craig wrote in message 
<[EMAIL PROTECTED]>:

> Hello all,
>  
> Where do I find this aircraft. Is it released yet?

..chk down the $FGROOT/data/aircraft/ tree.

> Craig
> 
> Arnt Karlsen <[EMAIL PROTECTED]> wrote:
> On Thu, 28 Jul 2005 08:48:01 -0500, Dave wrote in message 
> <[EMAIL PROTECTED]>:
> 
> > > Since the MB-339 PAN is an on-going project, we plan to release
> > > an improved version of the aircraft (with smokes?).
> > 
> > We have smoke/contrails now, but they need a lot of work:
> > 
> > http://home.comcast.net/~davidculp2/contrails.jpg
> > 
> > They look OK from some angles, and look bad from others. I tried to
> > add a smoke generator to the OV-10 model (The real OV-10 can inject
> > oil into the right exhaust stack to make white smoke), but it
> > doesn't look good enough to use.
> 
> ..white smoke, for smoke signalling? ;o)
> 


-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] Free simulator of the Frecce Tricolori aerobatic jet

[Arnt Karlsen]

On Thu, 28 Jul 2005 19:20:38 +0200, Erik wrote in message 
<[EMAIL PROTECTED]>:

> Andy Ross wrote:
> 
> > Basically, it seems to me like these guys are fine, with a few
> > nit-picky exceptions like the joystick configuration.  I don't think
> 
> Yes, but why the joystick configuration and not the sound
> configuration  (which was created by me for the c172) for instance.
> 
> > we need to raise a stink, except to get their derived stuff released
> > as a separate tarball somewhere.

..hey, give Augusto some time to get this fixed, eh?  ;o)

..Augusto, if you need any help with winning your team over to the GPL,
just holler.  ;o)

> I would really like to see it available. But they claim copyright over
>  work done by someone else (and also restrict it afterwards). To me
>  they just have to say which files where modified and that those files
>  still fall under the terms of the GPL.

..diff's, anyone?  ;o)

..keep in mind _some_ of our stuff like trivial header files, does
not qualify as copyrightable, simply because there are only 
"so many ways" "to get 4 outta 2-n-2."

.._lots_ of background on this over at Groklaw.net.  ;o)

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] Free simulator of the Frecce Tricolori aerobatic jet

[Arnt Karlsen]

On Thu, 28 Jul 2005 08:48:01 -0500, Dave wrote in message 
<[EMAIL PROTECTED]>:

> > Since the MB-339 PAN is an on-going project, we plan to release
> > an improved version of the aircraft (with smokes?).
> 
> We have smoke/contrails now, but they need a lot of work:
> 
>  http://home.comcast.net/~davidculp2/contrails.jpg
> 
> They look OK from some angles, and look bad from others.  I tried to
> add a  smoke generator to the OV-10 model (The real OV-10 can inject
> oil into the  right exhaust stack to make white smoke), but it doesn't
> look good enough to  use.

..white smoke, for smoke signalling?  ;o)

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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[Flightgear-devel] ..on multiple licenses, also for MB339? , was: Cirrus SR20 Model?

[Arnt Karlsen]

Hi Augusto,

.. I cc'd you this because the licensing discussion here is relevant to
your MB339.  :o)

..for the rest of you guys, this discusses why-n-how the GPL is 
_the_ superior commersial and academic license, IMHO.  ;o)

On Thu, 21 Jul 2005 14:15:44 -0500, Curtis wrote in message 
<[EMAIL PROTECTED]>:

..and Sylpheed-1.9.6 was too alpha, so I'm back at 1.0.4-1.  ;o)

> Arnt Karlsen wrote:
> 
> >On Wed, 20 Jul 2005 20:38:39 -0500, Curtis wrote in message 
> >  
> >
> > > This could go two possible directions.  If someone wants to
> > > volunteer to  do this, it could be contributed to FlightGear for
> > > everyone to enjoy.   The person requesting this might also be able
> > > to pay some smallish  amount (yet to be determined) to have this
> > > done, but if he pays for it,  he wants to "own" the result for his
> > > own use, and it couldn't be  contributed to flightgear..
> >>
> >>
> >
> > .."he who pays" can _both_ own his paid-for SR20 and have us
> > distribute it for him under the GPL.
> >
> 
>  I'm not sure if it's worth the bother to reply here 
> 
> But "he who pays" for something to be developed can do whatever he
> wants  with it.  In this case if he pays for the model's development,
> he  doesn't want to give it away to everyone for free.  That's his
> right and  his choice to make.
> 
> If someone is developing something on their own, they can dual,
> triple,  quadruple license it however they want, 

..precisely.  ;o)   And, preaching this to the choir here is meant to
leave this advice on record here for new and future FG developers, 
at least I find this worthwhile.  ;o)

> but if they want to do an 
> open-source + commercial license, they are going to have to find
> someone  to buy it commercially, and if it's already available as
> open-source,  why should someone pay for it?  And there may be answers
> to that retorical question, but in this specific case, if there's
> already an SR20 model in FlightGear, why would this guy want to pay
> for it?

..eh.  Not quite how this came across to me, the context I saw when 
I wrote grandparent msg last week, allowed a few litigation traps. 

..it _is_ possible to both couple and de-couple "commercial" with open
source, eg Microsoft does the latter with contract law, closing their
code with contracts known as "End User License Agreement", which is
well established legalese for "contract."  
In courts, they litigate their cases primarily on the merits of the
contracts.   "Just a wee dispute here, no bad guys here."  ;o)

..the GPL instead makes use of copyright law and of _not_ entering into
any contractual agreement, but instead _allowing_ something that is
otherwise forbidden (distribution), and on a certain condition, "your
source too, please."  
The language "nothing else in this license allows", is designed to 
make the GPL irrelevant in any case of disagreement or absense of 
compliance, so all cases fall back onto copyright law in courts as 
"Software Piracy!!![Tm]."   Ugly.  ;o)

..I know of _no_ other copyright scheme that can match the GPL's 
proven slam dunk track record in courts.  
Now, the FUD meisters will have  you believe the GPL is not proven in
courts, conveniently ignoring the common practice of making secrecy, 
_part_ of the settlements.  ;o)

..once this rather powerful law and licence combination is fully
understood by he-who-pays, he's going to prefer the GPL over 
his current  licensing scheme. 
I think it is worthwhile to spend this wee bit of extra effort to get 
those who pays, get that bit home between their ears.  ;o)

..it is perfectly legal to sell GPL software, and make _GPL_compliance_,
_part_ of the sales contract terms.  So, there is _no_ conflict between
"commercial" and the GPL.  ;o)

> > > Feel free to contact me off-line if you like.  If more than one
> > > persons  responds, I guess I need to reserve the right to make
> > > some hard  decisions. :-)
> >
> > ..one of them could be spend more time explaining copyright law
> > enforcement and the GPL to him, he either misses RMS' copyright 
> > law enforcement scheme behind the GPL, or he pretends to, like 
> > the SCO Group in Lindon, Utah.
> >
> 
> None of this last paragraph seems to make any sense in the context of 

..thread context was missing.  ;o)

> this discussion.  I'm not sure how useful it is to launch into a 
> GPL/RMS/Groklaw/SCO rant every time the word "commercial" passes
> across  your computer screen, especially when your comments don't seem
> to make  any logical sense or have any con

[Flightgear-devel] ..copyright infringement???, was: Free simulator of the Frecce Tricolori aerobatic jet

[Arnt Karlsen]

On Thu, 28 Jul 2005 14:39:34 +0100, Dave wrote in message 
<[EMAIL PROTECTED]>:

> 
> > Congratulation to the Author.
> >
> > The flight is wonderful, very accurate.
> >
> > Only little difficulties under Linux with the "Upper-case,
> > Lower-case" mixing (direct.xml => Direct.xml, *.ase => *.ASE,
> > instruments name, and flap => Flap).
> >
> > Arrh MS Windows.
> >
> 
> I would fix the faults and make a cross-platform version available but
>  apparently the License doesn't allow this :(

..it's all in their README:
> MB339-PAN package
> 
> Copyright HCI Lab, University of Udine, Frecce Tricolori, 2005
> 
> OFFICIAL WEBSITE: http://hcilab.uniud.it/pan
> Visit the site for more information and updates
> (Don't forget to watch the video about "The making of MB-339 PAN")
> 
> LEGAL NOTICE
> The contents of all the files included in the MB339-PAN package
> are protected by copyright laws. Except as provided below, you may
> not modify, reproduce,  republish, post, transmit or distribute any
> materials without the express written consent of the University of
> Udine. To request such consent, write a mail to [EMAIL PROTECTED]
> You may use the files for personal or educational purposes only,
> provided that you do not modify them, and you include all the
> copyright, URL and legal information.

..this means we can _not_ use this new model.  To make it a part of
FlightGear, we need you to license it under the GPL.  

..as authors, you can _also_ use _other_ licenses, but if you want _us_
(FlightGear.org) to make your MB339 part of FlightGear, we need to be
able to distribute your MB339 under the exact same license as we
distribute everything else in FlightGear, under the GPL.

> LIMITATION OF LIABILITY
> You expressly understand and agree that HCI Lab, the University of
> Udine and Frecce Tricolori shall not be liable for any direct,
> indirect, incidental, special, consequential, or exemplary damages,
> including but not limited to, damages for loss of profits, goodwill,
> use, data, or other intangible losses, resulting from the use or the
> inability to use this software.
> If you do not agree to the above terms, DO NOT install or use this
> software.

..are they in copyright infringement?  That depends on how they
represent FlightGear licensing.  IMHO, we cannot link to these
people as related until they clarify the legal issues here.

..and here I was gonna start pointing out how we need to model downwash
and wing tip vortices so this new MB339 could be flown the way Frecce
Tricolori does, in acrobatic formations.


-- 
..med vennlig hilsen = with Kind Regards from Arnt...
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.


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Re: [Flightgear-devel] jsbsim won't start with w110n40 or w110n30airports

[Arnt Karlsen]

On Thu, 28 Jul 2005 00:47:26 +0200, Gerard wrote in message 
<[EMAIL PROTECTED]>:

> Le mercredi 27 juillet 2005 à 23:15 +0200, Arnt Karlsen a écrit :
> > On Wed, 27 Jul 2005 14:18:34 +0200, Gerard wrote in message 
> > <[EMAIL PROTECTED]>:
> > 
> > > I did NOT ask for deleting that piece of code which is rather good
> > > (and could be improved), 
> > > i only ask for to remove the new AGL test 
> > >^^
> > >  which delete the UNDERCARIAGE facilities.
> > > 
> > > Am i understandable ?
> > 
> > ...well, not neccessarily in the precise way you intended to, if 
> > you're in doubt, also write in your native language so we can 
> > play with babelfish.org, a couple of your recent post reads out 
> > far worse in english than what I believe you meant them to.  ;o)
> > 
> for BabeFish.org
> 
> En français j'écrirai exactement la même chose.

..that's the first half of communication, the part where you _are_ in
charge, regardless of whether or not you know what you are saying.

..in the second half of communication, you're _not_ in charge, so you
can merely hope, that I'll heed your suggestions in what you say, of
what you would like me to read and do etc.  

..I judge and rule on that.  ;o)  

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] jsbsim won't start with w110n40 or w110n30airports

[Arnt Karlsen]

On Wed, 27 Jul 2005 14:18:34 +0200, Gerard wrote in message 
<[EMAIL PROTECTED]>:

> I did NOT ask for deleting that piece of code which is rather good
> (and could be improved), 
> i only ask for to remove the new AGL test 
>^^
>  which delete the UNDERCARIAGE facilities.
> 
> Am i understandable ?

..well, not neccessarily in the precise way you intended to, if 
you're in doubt, also write in your native language so we can 
play with babelfish.org, a couple of your recent post reads out 
far worse in english than what I believe you meant them to.  ;o)

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] Cirrus SR20 Model?

[Arnt Karlsen]

On Wed, 20 Jul 2005 20:38:39 -0500, Curtis wrote in message 
<[EMAIL PROTECTED]>:

> This could go two possible directions.  If someone wants to volunteer to 
> do this, it could be contributed to FlightGear for everyone to enjoy.  
> The person requesting this might also be able to pay some smallish 
> amount (yet to be determined) to have this done, but if he pays for it, 
> he wants to "own" the result for his own use, and it couldn't be 
> contributed to flightgear..

.."he who pays" can _both_ own his paid-for SR20 and have us distribute
it for him under the GPL. 

> Feel free to contact me off-line if you like.  If more than one persons 
> responds, I guess I need to reserve the right to make some hard 
> decisions. :-)

..one of them could be spend more time explaining copyright law
enforcement and the GPL to him, he either misses RMS' copyright 
law enforcement scheme behind the GPL, or he pretends to, like 
the SCO Group in Lindon, Utah.

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.


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Re: [Flightgear-devel] Re: gui theming

[Arnt Karlsen]

On Tue, 12 Jul 2005 17:18:50 -0400, Jim wrote in message 
<[EMAIL PROTECTED]>:

> > From: Melchior FRANZ
> > 
> > * Ampere K. Hardraade -- Tuesday 12 July 2005 19:15:
> > > On July 11, 2005 04:26 am, Melchior FRANZ wrote:
> > > >   http://members.aon.at/mfranz/fgfs_gui8.jpg  [50 kB]
> > 
> > > That's so nice.  I would have no objection if that is made
> > > default.
> > 
> > Maybe a new style for fgfs 1.0.0 would be a good idea. I'm biased,
> > though, and can't vote for it. 
> > 
> 
> Excellent work Melchior!  A long overdue update.

..no need to wait for 1.0.0, if we like it now, we put it in now.
0.9.9 could have us see a need for 0.9.10, 0.9.11, 0.9.12 etc, 
as we all like to get 1.0.0 damn right.  ;o)

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.


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Re: [Flightgear-devel] Re: GUI update almost completed

[Arnt Karlsen]

On Wed, 6 Jul 2005 14:14:48 +0200, Melchior wrote in message 
<[EMAIL PROTECTED]>:

> * Erik Hofman -- Wednesday 06 July 2005 13:35:
> > Is there a reference anywhere which built-in fonts are available?
> 
> freeglut/plib:
>   "FIXED_8x13",
>   "-misc-fixed-medium-r-normal--13-120-75-75-C-80-iso8859-1",
>   "FIXED_9x15",
>   "-misc-fixed-medium-r-normal--15-140-75-75-C-90-iso8859-1",
>   "HELVETICA_10",  
>   "-adobe-helvetica-medium-r-normal--10-100-75-75-p-56-iso8859-1",
>   "HELVETICA_12",  
>   "-adobe-helvetica-medium-r-normal--12-120-75-75-p-67-iso8859-1",
>   "HELVETICA_18",  
>   "-adobe-helvetica-medium-r-normal--18-180-75-75-p-98-iso8859-1",
>   "TIMES_10",  
>   "-adobe-times-medium-r-normal--10-100-75-75-p-54-iso8859-1",
>   "TIMES_24",  
>   "-adobe-times-medium-r-normal--24-240-75-75-p-124-iso8859-1"
> fgfs:
>   "HELVETICA_14",  
>   "-adobe-helvetica-medium-r-*-*-*-140-75-75-*-*-iso8859-1",
>   "VERA_13B",   "-*-bitstream vera
>   sans-bold-r-*-*-*-130-75-75-*-*-iso8859-1",

..and utf-8 fonts?  Supports far more languages, including all those
supported by ISO-8859-1.

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] Re: Custom scenery integration

[Arnt Karlsen]

On Sun, 3 Jul 2005 21:51:24 + (UTC), Martin wrote in message 
<[EMAIL PROTECTED]>:

> "Norman Vine" wrote:
>
> > Ralf Gerlich writes:
> > 
> > > Actually, I _do_ agree that having preprocessed scenery _is_ an
> > > advantage. But it does have disadvantages as well:
> > > 1.) At the current state it appears (to me) nearly impossible to
> > > inject  user-contributed additions into the scenery, 2.) I don't
> > > manage to build the necessary tools on my server   ;-))
> >  
> > Share your problems with us, perhaps we can help ;-)
> 
> I simply chose the 'wrong' hardware: I'm running AIX on my RS6k
> server. A great machine to build FlightGear scenery (4 GByte RAM, 8
> CPU's) but without a compiler that meets the requirements.

..stupid Q:  Can this iron run User Mode Linux?  Qemu?  Bochs? 

..emulator overhead, but allows running all the goodies.  ;o)

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.


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Re: [Flightgear-devel] About 3D Clouds

[Arnt Karlsen]

On Sat, 2 Jul 2005 09:00:52 +0200, Mathias wrote in message 
<[EMAIL PROTECTED]>:

> That is it.
> Setting bits-per-pixel to 32 makes the models throw phantastic well
> looking  shadows! At least for my box with the binary ati driver.

..AFAIK, ATI cards cannot do 32bpp.  They use 24 bit hardware.
They will do 24bpp very nicely both when set to 24bpp and "32bpp".

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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[Flightgear-devel] ..multi-X trick ideas, was: FlightGear got killed (seems like memory problem)

[Arnt Karlsen]

On Sun, 26 Jun 2005 20:28:04 -0400, Ampere wrote in message 
<[EMAIL PROTECTED]>:

> Hello,
> 
> I uninstalled Xorg and went back to XFree today so I could do some
> testing  with XFree and the latest FlightGear CVS. 

..a tad drastic, for FG development, you could simply set up two
runlevels, say runlevel 2 to run xorg and runlevel 3 to run XFree, 
these 2 runlevels could othervise be identical.  

..to push this further, you could also use runlevel 4 to run both at the
same time, say xorg on /dev/tty7 as :0 and XFree on /dev/tty8 as :1,
hopping between them is then [ctrl]+[alt]+[F7] and [ctrl]+[alt]+[F8].
Etc.

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.


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Re: [Flightgear-devel] New aircraft ideas ?

[Arnt Karlsen]

On Thu, 23 Jun 2005 17:26:40 -0700 (PDT), Alex wrote in message 
<[EMAIL PROTECTED]>:

> Got an idea for a new aircraft (not airplane) you'd like to try ?
> http://www.dodsbir.net/Topics/Default.asp
>   Topic: A05-208

..concerns "semiballistic 40-105 mm munitions with enhanced lethality
capable of striking targets of opportunity along the modifiable
ballistic trajectory."  

..I'd like to see such devices make full use of the 4 Geneva Conventions
to save lives and instead maximize combat damage to the enemy, as
wounded men are about 4 to 5 times more expensive to any military force
than dead men.  A successful small arms femur shot takes a year to heal
back into combatworthy status.

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.


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[Flightgear-devel] ..5 node panorama view, was; Help needed, quick questions

[Arnt Karlsen]

..just to help future backtraffic searches.  ;o)

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] Debugging Throttle control in Native-ctrls

[Arnt Karlsen]

On Mon, 20 Jun 2005 11:51:01 -0500, bass wrote in message 
<[EMAIL PROTECTED]>:

> Hi all,
> 
> I'm sending joystick input through Simulink in Matlab to Flightgear
> using the Native-ctrls structure.  I am able to control everything
> pretty satisfactorily, everything except the throttle... its gone
> digital on me!!!  It fluctuates between a one and a zero in almost a
> random manner when I vary the slider on the joystick.  I know I've
> setup the input data right... its scaled between one and zero. 

..this is the correct behavior for early WWI era planes powered with
rotary engines such as the Gnome, Rhone and Oberursel rotaries,
these were "throttled" by "blipping" the ignition off-n-on to cut power
to a desirable level.  If you're _not_ doing a rotary, it's a bug.  ;o)

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] Re: need help for convertion(importing) fron MS FS into Flightgear

[Arnt Karlsen]

On Mon, 20 Jun 2005 09:09:56 +1000, Mostyn wrote in message 
<[EMAIL PROTECTED]>:

> Clifford,
> It can be done, however it is a rather long winded process.
> 
> You need to get a program called pretty polly editor (PPE).  Open the
> *.mdl file in PPE and save it as a *.dxf file.  Close the program.
> Re-open it load the *.dxf file and save it as a *.ac file.
> 
> 
> Then you need to use a program called blender.  You have to go to the
> file-import-AC3D (.ac).  Then you can import the file.  The only
> information contained in this file is the point locations and which
> polygons use which points.  All data connecting polygons and their
> texture maps is lost.
> 
> What then you need to do is manually seperate all of the parts and
> texture them.

..first thing to do is read the license; if it isn't GPL, it cannot be
made part of FlightGear, and your work will be wasted.  

..if you write something new from scratch, you own it, and you license
it as you damned please, and you license under the GPL if you wanna 
make it part of FlightGear.  ;o)

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] "Short Reference" Document error?

[Arnt Karlsen]

On Sun, 19 Jun 2005 19:33:19 -0500, Jon wrote in message 
<[EMAIL PROTECTED]>:

> > So, you think the UK is part of Europe, eh? We use the same
> > convention as the US for ./,
> >
> > Vivian.
> 
> Heh. :-) What's above the number "4" (not on the numeric keypad)? Is
> it a "$" or a "?" (not sure that will print correctly)?

..a horn mine: tic-tic-tic ¤  ( ;o)

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] Off Topic: Father's Day Card/Gift

[Arnt Karlsen]

On Sun, 19 Jun 2005 17:03:19 -0400, Theo wrote in message 
<[EMAIL PROTECTED]>:

> If anyone needs a Father's Day card, I made this one for my Dad (one
> of those guys who has everything).  It's non-flightsim related, but
> kind of tech-ish and completely free for use:
> 
 http://www.wintergreen.ws/fathersday/present.html
 
..it better be, Konqueror shows a blank page, Firefox shows a grey
rectangle.  

..quit posting html mail and fix your page:
http://validator.w3.org/check?uri=http://www.wintergreen.ws/fathersday/present.html
http://jigsaw.w3.org/css-validator/validator/?uri=http://www.wintergreen.ws/fathersday/present.html
http://validator.w3.org/checklink/?uri=http://www.wintergreen.ws/fathersday/present.html

..and use a capable swf maker, swfplayer segfaults.

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] RE: msvc7.1 compiling problem

[Arnt Karlsen]

On Sun, 19 Jun 2005 19:14:06 +0200, Harald wrote in message 
<[EMAIL PROTECTED]>:

> eagle monart wrote:
> 
> >
> > other problem is about strange rectangles in sim... I ve the same 
> > problem even in 0.9.8 release compile.. i can see these rectangles 
> > almost everywhere  in clouds , on the sea and on the  ground.
> > here some screens
> > http://www.geocities.com/fgscreens/fgfs-screen-011.jpg
> > http://www.geocities.com/fgscreens/fgfs-screen-002.jpg
> > http://www.geocities.com/fgscreens/fgfs-screen-005.jpg
> >
> First time I see that, could it be a problem in the texture file ?
> 
> Harald.


..I saw all but http://www.geocities.com/fgscreens/fgfs-screen-005.jpg, 
on 005, Geocities whines "Sorry, this site is temporarily unavailable! 

The web site you are trying to access has exceeded its allocated data
transfer. Visit our help area for more information."

..did I miss anything important, or is it the same rectangles?

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] New turbo/supercharger code

[Arnt Karlsen]

On Sun, 19 Jun 2005 09:08:05 -0700, Andy wrote in message 
<[EMAIL PROTECTED]>:

> Arnt Karlsen wrote:
> > Andy Ross wrote:
> > > Yeah, but that's a bug.  There is only one manifold pressure.
> > > Surely you don't want *both* "mp-inhg"
> > > and "supercharger-output-inhg", which mean exactly the same
> > > thing.
> >
> > ..I beg to differ; flow always means there are flow losses.
> 
> The discussion was about software, not engines.  If you really
> want to nit, we should be modelling the MP as a 3D scalar field,
> so that the user can decide where to put the probe.  :)

..aye.  ;o)

> The point was that there is no need for a new property to
> represent the value displayed by the manifold pressure gauge.

..agreed, and my point was just "keep open space for code modelling
those losses, until it is written."  

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] RE: msvc7.1 compiling problem

[Arnt Karlsen]

On Sun, 19 Jun 2005 03:02:53 +, eagle wrote in message 
<[EMAIL PROTECTED]>:

> 
> thank you guys , finaly compiled the latest source : ))
> 
>   but still i am looking for the puffy clouds that i saw in  devel
>   mailing 
> list.   How can I enable puffy clouds???   . I played with layers 
> types   and also enable 3dclouds in fgrun but didnt succeed.
> 
>   Also I everytime i compiled flightgear i see some rectangles on the
>   ground 
> and in the air..here are two screens
> 
> http://s22.yousendit.com/d.aspx?id=3VSGYF2CMMS911EUK0QW4CFCSS
> http://s22.yousendit.com/d.aspx?id=0G451XWMBMCHN03PNCRTVFUWPA

..next time you wanna show us something, put it on a proper web server,
not some damn spam site.  If you have a spare box and can put it online
for a week or more, quickest way is run http://damnsmalllinux.org off
ramdisk, boot it off a cd image with ' dsl toram ', set up networking
and the web server, dump in those screen shots and post the url here.

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.


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Re: [Flightgear-devel] New turbo/supercharger code

[Arnt Karlsen]

On Sat, 18 Jun 2005 15:24:09 -0700, Andy wrote in message 
<[EMAIL PROTECTED]>:

> Vivian Meazza wrote:
> > OK with the name. PSI(gauge) is what we use over here, otherwise
> > it's inhg absolute for the US. Gauge-inhg makes no sense. In real
> > life there's no difference between the way the US and UK measure the
> > pressure, it's the zero on the gauge which is different, so I think
> > it's correct the way it is.  Gives the right gauge readings anyway.
> 
> In this case, "gauge" is important though: it indicates that the value
> is a delta (the difference between MP and ambient pressure) and not an
> absolute pressure.  Do you not want this value?  That is what is
> normally termed "boost" when one talks about super/turbochargers.
> 
> > I named it that way to distinguish it from mp-inhg, which in the
> > current code reports supercharger output before the 'wastegate' is
> > applied.
> 
> Yeah, but that's a bug.  There is only one manifold pressure.  Surely
> you don't want *both* "mp-inhg" and "supercharger-output-inhg", which
> mean exactly the same thing.

..I beg to differ; flow always means there are flow losses.

> > The important thing is for the pressure, in whatever units you want
> > (apart from gauge-inhg), is reported _after_ the 'wastegate'
> > etc. have been applied to the supercharger output.
> 
> So it sounds to me like all you wanted was "mp-inhg" in the first
> place...  I'll just chuck the new properties.
> 
> Andy


-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] SP_FMDS

[Arnt Karlsen]

On Thu, 16 Jun 2005 22:09:18 +0200, Erik wrote in message 
<[EMAIL PROTECTED]>:

> Arnt Karlsen wrote:
> 
> > ..speaking of which; Are those Big-Overhaul-So-Lay-Off-cvs jobs 
> > done in the FG and JSBSim cvs trees?
> 
> As far as I know, yes (?)

..ok, I've seen no further notices yet in the *-announce lists.  ;o)
Subject: [Jsbsim-announce] JSBSIM CVS in TRANSITION
Message-ID: <[EMAIL PROTECTED]>

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] SP_FMDS

[Arnt Karlsen]

On Thu, 16 Jun 2005 09:54:28 +0200, Erik wrote in message 
<[EMAIL PROTECTED]>:

> [EMAIL PROTECTED] wrote:
> > I've noticed in the cockpit.cxx file the instance of
> > "ENABLE_SP_FMDS" and a   search uncovers a trail into the fg_init,
> > config.h, as well as into the  HUD.cxx  files.  There seems to infer
> > the existance of special FDM's,  although they  seem to be disabled
> > or hidden.  Can anyone offer any  information surrounding  these
> > Special FDM's ?  Do they relate to particular  aircraft?  
> 
> It's nothing fancy, currently it covers an FDM from a research group
> in  Pakistan (ADA) and a helper FDM to replay ACMS files.
> 
> See FlightGear/src/FDM/SP/ for more info.

..speaking of which; Are those Big-Overhaul-So-Lay-Off-cvs jobs 
done in the FG and JSBSim cvs trees?

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] Re: "old" 3d clouds code

[Arnt Karlsen]

On Thu, 16 Jun 2005 09:35:23 +0100, Vivian wrote in message 
<[EMAIL PROTECTED]>:

> Mathias Fröhlich wrote
> 
>  
> > On Mittwoch 15 Juni 2005 11:00, Vivian Meazza wrote:
> > > > When browsing Mark Harris' web page I got the impression that he
> > > > simulates the
> > > > airflow.
> > >
> > > This one?
> > >
> > > http://www.markmark.net/clouds/
> > >
> > > I can't find any reference in the site or the papers there to
> > > simulating airflow. It just renders clouds.
> > 
> > http://www.markmark.net/cloudsim/index.html
> > 
> > Look into that. I believed that this was integrated somehow. That
> > looks phantastic and does things like that.
> > Watch the video on the bottom of that page.
> > 
> 
> Wonderful - just what we need! However, where's the code? I don't
> think it's what we have. The OpenGL stuff for download from Mark's
> site just renders cloud. This is "Simulation of Cloud Dynamics on
> Graphics Hardware" 
> 
> >From his paper:
> 
> "5. Hardware Implementation
> 
> As mentioned before, we perform all of the numerical
> computation for our cloud simulator in the programmable,
> floating point fragment unit of a graphics processor."
> 
> Hmmm. Have I got this one wrong? 
> 
> Mark's code (OpenGL) renders up to 51 fixed shape clouds. His lighting
> and shading is good. I like the way the aircraft penetrates cloud from
> an outside view. Harald's clouds are nicer, more varied, but perhaps
> not quite as well lit and shaded. The cloud penetration from an
> outside view could be improved (and I'm sure will be). Mark's code
> does not seem to be under active development, while Harald's is. I
> therefore support the retirement of Mark's OpenGL code.
> 
> Of course, if we can go the "Simulation of Cloud Dynamics on Graphics
> Hardware" route, then wow! All bets are off. 
> 
> Anyone know how to program graphics hardware so that any/all cards
> would work?

..I proposed using the graphics hardware a while back, in January:
Subject: Re: [Flightgear-devel] Is this usefull for flightgear/jsbsim?
Message-Id: <[EMAIL PROTECTED]>
Subject: Re: [Flightgear-devel] Is this usefull for flightgear/jsbsim?
Message-Id: <[EMAIL PROTECTED]>

..Andy cautioned in Message-ID: <[EMAIL PROTECTED]>.

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.


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Re: [Flightgear-devel] New turbo/supercharger code

[Arnt Karlsen]

On Wed, 15 Jun 2005 10:26:33 -0700, Andy wrote in message 
<[EMAIL PROTECTED]>:

> The cleanest solution at this point, IMHO, would to split out the
> x-charger implementation and do it twice: once for gear-driven
> superchargers and again for exhaust-driven turbochargers.

..these can re-use code between themselves, the most important
differences between them is how the compressor shaft is spun, 
and how these superchargers are controlled.

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] Hurricane

[Arnt Karlsen]

On Wed, 15 Jun 2005 12:07:13 +0100, Jon wrote in message 
<[EMAIL PROTECTED]>:

> Erik Hofman wrote:
> > Jon Stockill wrote:
> > 
> > > As he said - extensive studies of people who spent upwards of 8
> > > hours at a time sitting in front of such instruments has shown
> > > that they're losing teeth and hair, their remaining hair is
> > > turning grey, they have mobility problems, and some are dropping
> > > dead.  Oddly enough the same can also be said of the control
> > > group.
> > 
> > What was th test period, 60 years?
> 
> He was hinting at WW2 bomber crews, who probably spent more time in 
> front of such instruments than anyone else.

.."and they were trained to last how many missions?"  Sick.

-- 
..med vennlig hilsen = with Kind Regards from Arnt... 
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] Completely OT (but aviation related.)

[Arnt Karlsen]

On Tue, 14 Jun 2005 13:40:23 -0500, Curtis wrote in message 
<[EMAIL PROTECTED]>:

> Arnt Karlsen wrote:
> 
> > ..duh, you bought the Sullivan generator for $79!  ;o)
> > http://www.sullivanproducts.com/GenesysContent.htm
> 
> Yes, I'm hoping I can rig up an onboard power system based on the 
> genesys.  For what I'll be doing, batteries would work fine too, but I
>  thought it would be an interesting avenue to explore.

..according to Sullivan, you can hang 3 of those spools on one magnetic
prop flange.  You want a battery as backup and load damper.
 
> > ..for downlink, a pc-card or usb wifi/802.11 radio with an
> > omnidirectional antenna in the airborne end, for the ground station,
> > an aimed satellite dish feeding a cantenna, will cover miles:
> > http://huizen.deds.nl/~pa0hoo/helix_wifi/linkbudgetcalc/wlan_budgetcalc.html
> 
> I was curious about the idea of removing the case from my Linksys
> WRT54G  wireless router and powering that by battery.  Supposedly it's
> running  linux and is hackable, but I haven't played around with
> trying to hack  into it yet.

..workable, especially for a signal relay plane.  Also chk those nice
nano-itx etc things Jon S suggested, some are _really_ sweet, chk
out mini-itx.com/projects.asp and mini-itx.com/news/91875682/ .

> > ..how about AoA sensors for the flight computer?  This is the only
> > thing I see missing in an optics+gps based flight computer, a wee
> > downwind gust can both break and make a "slightly" downwind computer
> > landing.
> 
> That might be important for some airplanes, but the Kadet I've chosen
> is  basically impossible to stall at any speed.

..lessee when you're loaded all the cool stuff in it.  ;o)

> > ..one way is gut a pc mouse for the diode pairs, electronics and
> > mouse pin wheels, and ball case, cut the ball case in 2 to make 2
> > vane pin bearing mounts, glue vanes onto each mouse roller pin, and
> > stick both vane assemblies outside the prop blast area, one for each
> > wing.
> 
> That's an interesting idea.  My next step is to get my flight computer
>  up and running and once I do that and get some basic code in place, I
> can start experimenting with other things.  An RPM sensor and a
> CHT/EGT  would also be nice additions.

..read the sullivan's AC frequency and the glow plug resistance.  ;o)

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.


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Re: [Flightgear-devel] Completely OT (but aviation related.)

[Arnt Karlsen]

On Tue, 14 Jun 2005 03:50:18 +0200, Arnt wrote in message 
<[EMAIL PROTECTED]>:

> On Mon, 13 Jun 2005 13:39:21 -0500, Curtis wrote in message 
> <[EMAIL PROTECTED]>:
> 
> > Arnt Karlsen wrote:
> > 
> > > On Mon, 13 Jun 2005 12:14:09 -0500, Curtis wrote in message 
> > > <[EMAIL PROTECTED]>:
> > >
> > > > http://www.flightgear.org/~curt/Models/Current/MidwestCitabria/
> > > > If you scroll down a bit there's a take off picture (with the
> > > > tail wheel  just coming up) and then two landing pictures
> > > > (notice the position of  the airplane relative to the shadow.)
> > >
> > > ..but there were other arrivals?  ;o)
> > > http://www.flightgear.org/~curt/Models/Current/MidwestCitabria/Link/IMG_2045.html
> > 
> > That's one of my favorite non-flight pictures because of the sun
> > angle.   It's taken in my driveway so there was no flying that day. 
> 
> ..those prop tips, ... taxiing?   ;o)
> 
> > One of these days it would be fun to rig up a wireless camera on
> > board.  I could do several flights with different camera placements
> > and orientations, mix in some ground footage, set to music, and it
> > could come out looking really cool.  I've got an ultra cheap
> > wireless video system, but it has horribly short range and horribly
> > heavy batteries, and a really crappy camera so it's not very good
> > for flying (and not much good for anything else for that matter.)
> > :-)
> 
> ..you're thinking about flying "the video"?  Use those batteries in
> your 1/4 scale Colditz bath tub and wind up a generator spool and feed
> it magnetism off your magnetic prop drive flange.  Tap that spool thru
> a diode bridge and a 7805, smooth things with a coupla capasitors each
> side of the 7805, and hike the 7805's 5.0VDC with a .3V zener diode 
> to 5.3VDC.  You want sound too.  ;o)

..duh, you bought the Sullivan generator for $79!  ;o)
http://www.sullivanproducts.com/GenesysContent.htm

..for downlink, a pc-card or usb wifi/802.11 radio with an
omnidirectional antenna in the airborne end, for the ground station, an
aimed satellite dish feeding a cantenna, will cover miles:
http://huizen.deds.nl/~pa0hoo/helix_wifi/linkbudgetcalc/wlan_budgetcalc.html

..how about AoA sensors for the flight computer?  This is the only thing
I see missing in an optics+gps based flight computer, a wee downwind
gust can both break and make a "slightly" downwind computer landing.

..one way is gut a pc mouse for the diode pairs, electronics and mouse
pin wheels, and ball case, cut the ball case in 2 to make 2 vane pin
bearing mounts, glue vanes onto each mouse roller pin, and stick both
vane assemblies outside the prop blast area, one for each wing.

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.


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Re: [Flightgear-devel] Completely OT (but aviation related.)

[Arnt Karlsen]

On Mon, 13 Jun 2005 13:39:21 -0500, Curtis wrote in message 
<[EMAIL PROTECTED]>:

> Arnt Karlsen wrote:
> 
> > On Mon, 13 Jun 2005 12:14:09 -0500, Curtis wrote in message 
> > <[EMAIL PROTECTED]>:
> >
> > > http://www.flightgear.org/~curt/Models/Current/MidwestCitabria/
> > > If you scroll down a bit there's a take off picture (with the tail
> > > wheel  just coming up) and then two landing pictures (notice the
> > > position of  the airplane relative to the shadow.)
> >
> > ..but there were other arrivals?  ;o)
> > http://www.flightgear.org/~curt/Models/Current/MidwestCitabria/Link/IMG_2045.html
> 
> That's one of my favorite non-flight pictures because of the sun
> angle.   It's taken in my driveway so there was no flying that day. 

..those prop tips, ... taxiing?   ;o)

> One of these days it would be fun to rig up a wireless camera on
> board.  I could do several flights with different camera placements
> and orientations, mix in some ground footage, set to music, and it
> could come out looking really cool.  I've got an ultra cheap wireless
> video system, but it has horribly short range and horribly heavy
> batteries, and a really crappy camera so it's not very good for
> flying (and not much good for anything else for that matter.) :-)

..you're thinking about flying "the video"?  Use those batteries in your
1/4 scale Colditz bath tub and wind up a generator spool and feed it
magnetism off your magnetic prop drive flange.  Tap that spool thru a
diode bridge and a 7805, smooth things with a coupla capasitors each
side of the 7805, and hike the 7805's 5.0VDC with a .3V zener diode 
to 5.3VDC.  You want sound too.  ;o)

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] poll

[Arnt Karlsen]

On Mon, 13 Jun 2005 22:11:42 +0200, Gerard wrote in message 
<[EMAIL PROTECTED]>:

> It was said that we do not have to make the Hollywood quality movie
> and i agree.

..we have enough to get funding for the missing bits.  ;o)

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] poll

[Arnt Karlsen]

On Mon, 13 Jun 2005 01:50:21 +0200, Gerard wrote in message 
<[EMAIL PROTECTED]>:

> Le lundi 13 juin 2005 à 01:13 +0200, Gerard Robin a écrit :
> > Le dimanche 12 juin 2005 à 22:07 +0200, Arnt Karlsen a écrit :
> > > On Sun, 12 Jun 2005 10:43:44 +0200, Paul wrote in message 
> > > <[EMAIL PROTECTED]>:
> > > 
> > > > On Sunday, 12 June 2005 09:22, Erik Hofman wrote:
> > > > > Ampere K. Hardraade wrote:
> > > > > > I like that idea.  It would be nice to fly along the coast
> > > > > > of a tropical island, look down and be able to see the white
> > > > > > sand under the water... or flying above a coral reef and see
> > > > > > the corals on the sea floor. =)
> > > > > >
> > > > > > Seperating land and water will also allow tidal effects to
> > > > > > be modelled.  As for underwater exploration, I for one
> > > > > > wouldn't mind taking the UFO down and see some underwater
> > > > > > landmarks such as the Titanic.  hehe.
> > > > >
> > > > > I think we're all getting carried away a bit. We are aiming at
> > > > > a professional *flightsimulator* to be used as a training aid,
> > > > > not for Hollywood film making.
> > > 
> > > ...the funny thing is, FG _is_ useable for film making, and
> > > wasting some time on making an "Hollywood film" could easily land
> > > us some serious funding to do the things we wanna do.
> > > 
> > > > > Erik
> > > > 
> > > > Personally I don't care much for submarines and sealife in a
> > > > flight sim. What Flight Unlimited did was when you crashed in
> > > > water the screen went a  murky water color and your altitude
> > > > starts heading for negative figures. No fish, no sharks and no
> > > > coral but you get the point that you just crashed  into water
> > > > and that should be sufficient in my opinion.
> > > 
> > > ...true, but landing a sea plane in any significant weather, means
> > > we should model sea states, waves behave differently depending on
> > > things like currents, depth, wind etc, also on lakes and rivers. 
> > 
> > > > If someone wants to make a submarine simulator then they are
> > > > welcome to make a  fork of FlightGear and name it SubGear but
> > > > I'm interested in aerodynamics and  not aquadynamics.
> > > 
> > > ...then we have the waves made by the aircraft floats.  ;o)
> > 
> > You are right and today we have to search for the best effect with
> > an object animated like the aircraft shadow. I have tried to do it
> > http://ghours.club.fr/Walrus-Villefranche1.jpg

..neat plane, but your sparkling waveless "spray" demos my point nicely,
dunk a Walrus into 5 thru 25ft seas, and you'll find that the one ton
big toothed seal can spank you mildly thru _roundly_, just like the
water the plane lands or dunks into.   ;o)

> > May be with Sparkle we could get a better aspect
> 
> And I forgot: Plib include some functions in _SSG Auxiliary Libraries_
> which are very useful.

..useful to model physical forces?  Or just to hit the degauss button
remotely to simulate a nose punch?  ;o)

..don't read me as "we have enough fancy eyecandy", we need more of that
too, but we also need "running water" here.  ;o)

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.


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Re: [Flightgear-devel] Completely OT (but aviation related.)

[Arnt Karlsen]

On Mon, 13 Jun 2005 12:14:09 -0500, Curtis wrote in message 
<[EMAIL PROTECTED]>:

> http://www.flightgear.org/~curt/Models/Current/MidwestCitabria/
> 
> If you scroll down a bit there's a take off picture (with the tail
> wheel  just coming up) and then two landing pictures (notice the
> position of  the airplane relative to the shadow.)

..but there were other arrivals?  ;o)
http://www.flightgear.org/~curt/Models/Current/MidwestCitabria/Link/IMG_2045.html

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] poll

[Arnt Karlsen]

On Sun, 12 Jun 2005 10:43:44 +0200, Paul wrote in message 
<[EMAIL PROTECTED]>:

> On Sunday, 12 June 2005 09:22, Erik Hofman wrote:
> > Ampere K. Hardraade wrote:
> > > I like that idea.  It would be nice to fly along the coast of a
> > > tropical island, look down and be able to see the white sand under
> > > the water... or flying above a coral reef and see the corals on
> > > the sea floor. =)
> > >
> > > Seperating land and water will also allow tidal effects to be
> > > modelled.  As for underwater exploration, I for one wouldn't mind
> > > taking the UFO down and see some underwater landmarks such as the
> > > Titanic.  hehe.
> >
> > I think we're all getting carried away a bit. We are aiming at a
> > professional *flightsimulator* to be used as a training aid, not for
> > Hollywood film making.

..the funny thing is, FG _is_ useable for film making, and wasting some
time on making an "Hollywood film" could easily land us some serious
funding to do the things we wanna do.

> > Erik
> 
> Personally I don't care much for submarines and sealife in a flight
> sim. What Flight Unlimited did was when you crashed in water the
> screen went a  murky water color and your altitude starts heading for
> negative figures. No fish, no sharks and no coral but you get the
> point that you just crashed  into water and that should be sufficient
> in my opinion.

..true, but landing a sea plane in any significant weather, means we
should model sea states, waves behave differently depending on things
like currents, depth, wind etc, also on lakes and rivers. 
 
> If someone wants to make a submarine simulator then they are welcome
> to make a  fork of FlightGear and name it SubGear but I'm interested
> in aerodynamics and  not aquadynamics.

..then we have the waves made by the aircraft floats.  ;o)

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] poll

[Arnt Karlsen]

On Sat, 11 Jun 2005 01:44:39 +0100, Vivian wrote in message 
<[EMAIL PROTECTED]>:

> Ampere K. Hardraade wrote
> 
> > 
> > hmm... flying undersea.  Isn't that what submarines do?
> > 
> 
> Nope ... they just float a bit lower down than surface ships.
> Hydrofoils fly.

..let's qualify "fly"; both submarines and airship can and often do use 
_some_ aero|hydrodynamic lift, usually the bulk is aero|hydrostatic
"displacement lift."

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.


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Re: [Flightgear-devel] property cloning solution

[Arnt Karlsen]

On Fri, 10 Jun 2005 23:16:06 +0200, Gerard wrote in message 
<[EMAIL PROTECTED]>:

> Le vendredi 10 juin 2005 à 22:59 +0200, Arnt Karlsen a écrit :
> > On Fri, 10 Jun 2005 20:38:55 +0200, Gerard wrote in message 
> > <[EMAIL PROTECTED]>:
> > 
> > > Le vendredi 10 juin 2005 à 13:21 -0500, Dave Culp a écrit :
> > > > > >   //FDMctr++;
> > > > >
> > > > > Tested with my own  "carrier landing patched" release   :
> > > > > IT IS OK ==> no clone now, JSB specific Functions working
> > > > > after reset.
> > > > 
> > > > Thanks Gerard,
> > > > 
> > > > I've commited the fix to the JSBSim CVS branches.  Note that
> > > > this will not  allow multiple instances of JSBSim, which nobody
> > > > is using right now (I don't  think?).  In the future we'll fix
> > > > it so that the "user" instance of JSBSim is  always the zeroeth
> > > > instance, and other instances will start at instance  number
> > > > one.
> > > > 
> > > > Dave
> > > 
> > > 
> > > As far as i try to understand, i don't find any specific needs
> > > which can ask for multiple instances of JSBSimmay be several 
> > > aircrafts in the same FG  (a waco glider towed by a -C47  ???)
> > 
> > ...formation flight, comparing a JSBSim C47 to a YaSim C47 flying 
> > side by side?
> > 
>   STOP. i am becoming crazy  :-/\

..hush, we don't some white coats come grab you.   ;o)

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] poll

[Arnt Karlsen]

On Fri, 10 Jun 2005 21:53:23 +0200, Frederic wrote in message 
<[EMAIL PROTECTED]>:

> Dave Culp a écrit :
> 
> >This is a poll.  Does anyone really want the FDM to allow flying
> >under the  terrain, or was that a misunderstanding by me?
> >
> >If nobody wants it then I think it should be disallowed.
> >  
> >
> Fly under terrain : no
> Fly under bridges : yes
> Taxi under hangars : yes

..fly thru hangars and hear colorful language from TWR: yes  ;o)

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] poll

[Arnt Karlsen]

On Fri, 10 Jun 2005 14:36:35 -0400, Josh wrote in message 
<[EMAIL PROTECTED]>:

> Dave Culp wrote:
> > This is a poll.  Does anyone really want the FDM to allow flying
> > under the  terrain, or was that a misunderstanding by me?
> > 
> > If nobody wants it then I think it should be disallowed.
> 
> Maybe with the magic carpet FDM. Real FDMs though, no way.
 
..that hack would introduce a bug here:  ;o)
http://home.online.no/~hasto/reiser/hurtigruta/torghatt-hol-syd.jpg

..biggest one thru is a RNoAF TwinOtter on a partly autorized trip 
back in the Cold War days.  It's a fairly safe bet this record will 
stand above any Cub stunt, or any Bird Dog stunt, as these are 
looser fits.  ;o)

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] property cloning solution

[Arnt Karlsen]

On Fri, 10 Jun 2005 20:38:55 +0200, Gerard wrote in message 
<[EMAIL PROTECTED]>:

> Le vendredi 10 juin 2005 à 13:21 -0500, Dave Culp a écrit :
> > > >   //FDMctr++;
> > >
> > > Tested with my own  "carrier landing patched" release   :
> > > IT IS OK ==> no clone now, JSB specific Functions working after
> > > reset.
> > 
> > Thanks Gerard,
> > 
> > I've commited the fix to the JSBSim CVS branches.  Note that this
> > will not  allow multiple instances of JSBSim, which nobody is using
> > right now (I don't  think?).  In the future we'll fix it so that the
> > "user" instance of JSBSim is  always the zeroeth instance, and other
> > instances will start at instance  number one.
> > 
> > Dave
> 
> 
> As far as i try to understand, i don't find any specific needs which
> can ask for multiple instances of JSBSimmay be several  aircrafts
> in the same FG  (a waco glider towed by a -C47  ???)

..formation flight, comparing a JSBSim C47 to a YaSim C47 flying 
side by side?


-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] Main Airports Conflict with Graphic Card6600GT !!!

[Arnt Karlsen]

On Wed, 08 Jun 2005 15:45:40 +0200, Gerard wrote in message 
<[EMAIL PROTECTED]>:

> IT IS  UNUSUAL that i give the question and later on the answer :-)

..but very helpful for FlightGear and the next guys wonderng about the
same thing, it also allows the "Hell No!, you got it all wrong!" because
you post instead of keeping quiet about your solution.  :o)

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] Airports Data + Zoom + SHIPs

[Arnt Karlsen]

On Tue, 7 Jun 2005 23:55:33 +0100, AJ wrote in message 
<[EMAIL PROTECTED]>:

> On Tuesday 07 Jun 2005 23:16, [EMAIL PROTECTED] wrote:
> > 1) I am using FGFS Version  0.9.4, I noticed that the Airport Data
> > file extensions changed to tgz, does the data can be used on the
> > version 0.9.4.
> 
> Have you any reason not to upgrade?  There's been a fair amount of
> improvement  since 0.9.4 really.
> 
> > 3) Is there others boats, or just the sail boat?
> 
> There's a working aircraft carrier! (it's working in CVS at least, I'm
> not  certain about the last release.)  It's great, by the way, those
> of you who  worked on it - really impressive.  Yet another way to have
> fun with the  excellent Hunter and Seahawk!  The way it travels
> through land is a bit  disconcerting, mind you ;-)

..what, the US Navy sank the Canadian lighthouse???  ;o)

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] Terrain height below aircraft

[Arnt Karlsen]

On Tue, 7 Jun 2005 11:19:02 -0700, Drew wrote in message 
<[EMAIL PROTECTED]>:

> Is there a reliable way to determine the terrain height below the
> aircraft that is independent of the view being used?  I've tried the
> property "/environment/ground-elevation-m", but when I use tower view,
> it returns the elevation at the view origin.
>  
> I'm trying to develop an RC-type application, so knowing the height
> from the controller's position is worthless.  How can I get the
> terrain height below the aircraft?  It would be helpful if I could
> determine the height of any arbitrary lat/lon position, as well, if
> that's possible.

..think "gun elevation", as in "aim at it."  I view your terrain height
angle a detour, you fly either above _or_ in front of terrain, and
orient your plane relative to yourself and vice versa, looking at it.

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] RE: R22 alpha version

[Arnt Karlsen]

On Tue, 7 Jun 2005 11:54:20 +1000, Mostyn wrote in message 
<[EMAIL PROTECTED]>:

> >* Melchior FRANZ -- Monday 06 June 2005 09:16:
> >
> >>I *HATE* competition! Please, make it go away! ... Fortunately, one
> >>could almost say that I have a *tiny* head start. So, don't panic
> >>... panic? Whaahh ...
> >
> >Okay, crunchy! After consulting my therapist, I can only say: See you
> >at Saturday, high noon in LOXL! 
> >http://members.aon.at/mfranz/duel.jpg
> > [55 kB]
> >Unless you pay me *one* *billion* *dollars*!
> >
> >Ha ha ha ha ... HA HA HA ...
> 
> If you really want to take me on I can have my UH-1D Bushranger, or my
> AH-1G Cobra, or my Eurocopter Tigre converted within a fortnight.  

..he said "Saturday, high noon".  ;o)

> Or I could just push your tiny toy helicopter into my Mi-26 Halo and
> fly off with it.  I could even convert my Chinook or Skycrane and
> sling you off with that.  At least when people get injured my H-13
> will be able to fly in and evacuate the casualties to the nearest
> M*A*S*H unit. :)
> 
> Cheers,
> Mostyn
> 
> 
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> 


-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] Building joystick hardware

[Arnt Karlsen]

On Mon, 06 Jun 2005 11:46:55 -0700, Andy wrote in message 
<[EMAIL PROTECTED]>:

> Torsten Dreyer wrote:
> > Well - it's not really a serial driver, the interface connects thru
> > the handshake lines rts/cts and dtr with rxd and txd left
> > unconnected since the LTC1090 speaks a synchronous protocol.
> 
> Oh, heh.  Well, if the hardware is non-standard, then one hack is as
> good as another.  Never mind what I said, this is actually pretty
> elegant.  Short of putting a microcontroller on your board, I have no
> suggestions. :)

..I see Torsten's boxes as "R/C transmitters minus the transmitter plus
a /dev/ttyS for the stick etc pulse train".  All we need to do is read
the pulse train signal and decode it like R/C receivers do, and output 
to the property tree instead of to the servo motors.

> As far as doing control line stuff from userspace, though, this is
> possible under Linux (and maybe elsewhere -- I'm not sure how portable
> these APIs are) using the TIOCMGET/TIOCMSET ioctl's with the TIOCM_RTS
> and TIOCM_DTR flags.  Since you are using them for synchronous I/O,
> though, you will have to poll them to watch for changes on the clock
> line.  Obvoiusly polling hardware from userspace is a recipe for
> disaster.

..oh?  R/C gear uses a reset pulse pair ("too short" + "too long" or
vise versa) to reset the R/C receiver decoder pulse counter.  
So can we.  ;o)

> And a suggestion for your site: could you list sources and part
> numbers and sources for the components?  The sliders in particular
> (with colored knobs, even) look really useful for throttles, and I
> haven't seen that kind of thing before.

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] Re: R22 alpha version

[Arnt Karlsen]

On Mon, 6 Jun 2005 09:58:52 +0200, Melchior wrote in message 
<[EMAIL PROTECTED]>:

> * Melchior FRANZ -- Monday 06 June 2005 09:16:
> > I *HATE* competition! Please, make it go away! ... Fortunately, one
> > could almost say that I have a *tiny* head start. So, don't panic
> > ... panic? Whaahh ...
> 
> Okay, crunchy! After consulting my therapist, I can only say: See you
> at Saturday, high noon in LOXL!  http://members.aon.at/mfranz/duel.jpg
>  [55 kB]
> Unless you pay me *one* *billion* *dollars*!
> 
> Ha ha ha ha ... HA HA HA ...

..uhoh.  Mostyn, you wanna keep him at rotor blade lenght and stay
between his 2 inner rocket tubes until you get your own guns hung.  ;o)

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.



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Re: [Flightgear-devel] Colditz Glider

[Arnt Karlsen]

On Mon, 06 Jun 2005 10:35:03 +0100, Steve wrote in message 
<[EMAIL PROTECTED]>:

> On Sat, 2005-06-04 at 00:42, Josh Babcock wrote:
> > OK, model's done, same address. Now I'm going to do the animation
> > XML. If I'm really cool I'll be able to make the wind ribbon look
> > good. Otherwise, just controls and control surfaces.
> > 
> > Also, I didn't know what the rudder pedals looked like, so I left
> > them out. I would assume that it's just a stick on a pivot which
> > would be super easy to add. I'm not sure about historical accuracy
> > though. Of course, the entire inside of the cockpit is a WAG anyway.
> > Thoughts?
> > 
> 
> For certain, it will just be a centre-pivoted piece of wood with two
> wires (probably connected to the far ends) running back to a similar
> piece of stick fixed to the rudder pivot. The POWs built the whole
> thing out of floorboards and intended it to survive just a single
> flight. They will have done nothing fancy.

..don't be too sure, I grew up with an unique music instrument on the
wall, looks like a balalaika but is flat bottomed and has 4 strings,
some russian folk music group members I met a few years back told me
this was not a russian instrument they knew about. 
It was likely built in a WWII "POW" KZ camp at Trondenes just outside
Harstad, Norway, those camps were set up to provide manpower to build an
heavy gun batteriy (4x406mm) there from guns made surplus when Hitler
grounded his navy, the inmates were mostly Soviet and Yugoslav army and
guerilla POW's who were denied proper POW status. 

..expect good workmanship on the floor board product, it was built to
carry 2 POW's for about 5 minutes after being catapulted outta the attic
by a bathtub full of concrete.

-- 
..med vennlig hilsen = with Kind Regards from Arnt... ;o)
...with a number of polar bear hunters in his ancestry...
  Scenarios always come in sets of three: 
  best case, worst case, and just in case.


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