[Flightgear-devel] Automake

2005-03-01 Thread Jon Berndt
I'm restructuring the JSBSim directories in my local development environment, 
in hopes
that it will simplify the development task and allow easier comprehension of 
the file
structure. I'm learning about the autoconf/automake process. Right now I'm 
trying to learn
about the Makefile.am files. I haven't found the online documentation to be 
very good -
it's even a bit overwhelming. Is anyone aware of a concise quickstart guide 
to automake?
I'm thinking that the subset of syntax we use in our Makefile.am files is 
fairly small
(I've been looking at the FlightGear Makefile.am files).

Jon


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Re: [Flightgear-devel] Nav0/Nav1 course tracking and ILS approach code corrections

2005-03-01 Thread David Luff


On 27/02/2005 at 22:51 Hans-Georg Wunder wrote:

Hi all,

some days ago, I have made some proposals to correct errors in
flightgear. Now, I would like to know, íf this is the right
procedure to add code to the cvs or if there is an other way defined ??



The best way is to send it directly to either Curt or Erik.  Curt prefers
to be sent whole files, Erik prefers a unified diff against cvs (I think):

cvs diff -u filename  patchname.diff

Cheers - Dave



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Re: [Flightgear-devel] Nav0/Nav1 course tracking and ILS approach code corrections

2005-03-01 Thread Curtis L. Olson
David Luff wrote:
On 27/02/2005 at 22:51 Hans-Georg Wunder wrote:
 

Hi all,
some days ago, I have made some proposals to correct errors in
flightgear. Now, I would like to know, íf this is the right
procedure to add code to the cvs or if there is an other way defined ??
   

The best way is to send it directly to either Curt or Erik.  Curt prefers
to be sent whole files, Erik prefers a unified diff against cvs (I think):
cvs diff -u filename  patchname.diff
 

Yes, and send that along with a clear explanation of the problem, 
because I am still a bit unclear as to what exact problem you found and 
fixed.  As far as I have seen, the Nav radios are working correctly.

Best regards,
Curt.
--
Curtis Olsonhttp://www.flightgear.org/~curt
HumanFIRST Program  http://www.humanfirst.umn.edu/
FlightGear Project  http://www.flightgear.org
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[Flightgear-devel] Anyone using TomTom POI files for scenery populating?

2005-03-01 Thread Roberto Inzerillo
Hi all,
 I've accidentally come into those POI (Point Of Interest) files for TomTom
GPS systems which carry a very big amount of informations regarding many
things laying around the world (restaurants, fuel stations, railroad
stations, cinemas, schools, hotels ...).
Those files are easily convertible to plain ASCII text, getting latitude,
longitude (the height is missing) and a small notation of the POI.

I currently enjoy building real world 3d models (mainly buildings) to put
into FGFS sceneries, but it takes time :-( and the development of scenery
files for FGFS need some boost (I think it's very important for VFR flight
at least) so I think it could be nice to use such POI files in order to
populate great areas of the world with many shared objects (e.g. so many gas
stations looks pretty the same from above and those POI files even
distinguish different brands of gas stations :-) and very few effort.

Did anyone walked this way before? I am starting to build some 3d models of
the most common gas stations and hotels around my city. I need a way to get
the height of some point of a scenery having latitude and longitude only (no
clue how to do that). I will check if those coordinates used in TomTom files
are coherent with FGFS format or need some conversion. I will go on looking
around the internet for finding other interesting POI files (I am currently
trying to get a detailed map of Wind Energy Farms in my country which could
be very nice landmarks to put into FGFS :-)

I also noticed that those POI files are generally distributed free with very
relaxed licenses.

Roberto


-- 
DSL Komplett von GMX +++ Supergünstig und stressfrei einsteigen!
AKTION Kein Einrichtungspreis nutzen: http://www.gmx.net/de/go/dsl

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Re: [Flightgear-devel] Anyone using TomTom POI files for scenery populating?

2005-03-01 Thread cmetzler


  I've accidentally come into those POI (Point Of Interest) files for TomTom
 GPS systems which carry a very big amount of informations regarding many
 things laying around the world (restaurants, fuel stations, railroad
 stations, cinemas, schools, hotels ...).
 Those files are easily convertible to plain ASCII text, getting latitude,
 longitude (the height is missing) and a small notation of the POI.

 I currently enjoy building real world 3d models (mainly buildings) to put
 into FGFS sceneries, but it takes time :-( and the development of scenery
 files for FGFS need some boost (I think it's very important for VFR flight
 at least) so I think it could be nice to use such POI files in order to
 populate great areas of the world with many shared objects (e.g. so many gas
 stations looks pretty the same from above and those POI files even
 distinguish different brands of gas stations :-) and very few effort.

 Did anyone walked this way before?

Not with TomTom POI files that I'm aware of.  There is a *lot* of ongoing
work on getting more ground structures into the FG scenery, however.  Jon 
Stockill and Martin Spott have built a master database for ground scenery 
object locations and shared models to represent them.  Jon's populated the 
database of locations with objects from the UK's CAA obstruction surveys, as 
well as the implied positions of VORs/localizers/etc. from world airports; I've 
added the U.S. FAA's obstruction information (including just about everything 
in the U.S. above 200 feet AGL, and a lot that isn't) and the FCC's database of 
antenna structures.  Lots of us have been making shared models for generic 
objects (e.g. a generic crane, a generic smokestack/chimney, generic 
skyscrapers for buildings that nobody's specifically done yet, etc.), as well 
as models for specific structures/landmarks.  I don't know that an official 
release announcement has been made of yet, but go ahead and take a look at:

http://fgfsdb.stockill.org/

Depending on the objects in the POI files, there may be some overlap; but more 
data is always good.


 I am starting to build some 3d models of
 the most common gas stations and hotels around my city.

Please consider contributing them to the database.


 I need a way to get
 the height of some point of a scenery having latitude and longitude only (no
 clue how to do that).

Both Jon and I have written code to do this iteratively for a list of lat/lon 
locations (I think Jon used Perl; I used Python).  Sadly, it requires running 
FlightGear and is slow; but at least it's hands-off.


 I will check if those coordinates used in TomTom files
 are coherent with FGFS format or need some conversion. I will go on looking
 around the internet for finding other interesting POI files (I am currently
 trying to get a detailed map of Wind Energy Farms in my country which could
 be very nice landmarks to put into FGFS :-)

There's a wind turbine model in the database for just this reason; there are 
wind turbine locations in the database, but they could stand some fleshing-out. 
 So this would be good.


 I also noticed that those POI files are generally distributed free with very
 relaxed licenses.

But this is the crux of the biscuit.  What, specifically, is the license?  
Very relaxed isn't detailed enough to say whether it's compatible with the 
GPL, and thus can/cannot be distributed with FlightGear.  It's likely that the 
POI files themselves cannot be distributed with FG.

*HOWEVER*, it's generally the case that copyright law indicates that one can 
copyright the presentation of a set of facts, but cannot copyright the facts 
themselves.  Thus, you're violating Encyclopedia Britannica's copyright if you  
photocopy and distribute one of their volumes; but you aren't violating their 
copyright if you write your own volume in your own words that nonetheless 
contains all the information/facts contained in that Encyclopedia Britannica 
volume.  So while it may not be possible to distribute the files, it may be 
possible to distribute the information within the files.

Knowing the license would be helpful here.

Cheers,

-c





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[Flightgear-devel] Re: Anyone using TomTom POI files for scenery populating?

2005-03-01 Thread Melchior FRANZ
* [EMAIL PROTECTED] -- Tuesday 01 March 2005 18:39:
* * Roberto Inzerillo -- Tuesday 01 March 2005 17:16:
  I am starting to build some 3d models of
  the most common gas stations and hotels around my city.
 
 Please consider contributing them to the database.

Yes. But please concentrate on *landmarks*: Buildings and structures you
actually see from an aircraft. Things that help with orientation and allow
to recognize unique locations. Try not to waste megabytes with substandard
appartment houses that 99,999% of people don't even find in the scenery
if they *search* for them.  :-}

m.

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Re: [Flightgear-devel] Anyone using TomTom POI files for scenery

2005-03-01 Thread Martin Spott
[EMAIL PROTECTED] wrote:

 There is a *lot* of ongoing work on getting more ground structures
 into the FG scenery, however.  Jon Stockill and Martin Spott have built
 a master database for ground scenery object locations and shared models
 to represent them. [...] I don't know that an official release
 announcement has been made of yet, but go ahead and take a look at:

Things are almost ready-to-go - currently we're in a technical
discussion about the most elegant solution to handle the base package
objects  :-)

 http://fgfsdb.stockill.org/
[...]
 I am starting to build some 3d models of
 the most common gas stations and hotels around my city.
 
 Please consider contributing them to the database.

Roberto already did - have a look at the current 'models' overview in
the database  :-)

 Both Jon and I have written code to do this iteratively for a list of
 lat/lon locations (I think Jon used Perl; I used Python).  Sadly, it
 requires running FlightGear and is slow; but at least it's hands-off.

If I may quote Frederic Bouvier (regarding FGSD):

It shouldn't be too difficult. Just a matter of wrapping up the
FGSD_TriangleObject class into a main function.


 but nobody did that.

Cheers,
Martin.
-- 
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--

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Re: [Flightgear-devel] Anyone using TomTom POI files for scenery

2005-03-01 Thread Frederic Bouvier
Quoting Martin Spott :

 If I may quote Frederic Bouvier (regarding FGSD):

 It shouldn't be too difficult. Just a matter of wrapping up the
 FGSD_TriangleObject class into a main function.


  but nobody did that.

Work in (slow) progress.

-Fred

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Re: [Flightgear-devel] Re: Anyone using TomTom POI files for scenery populating?

2005-03-01 Thread cmetzler


* [EMAIL PROTECTED] -- Tuesday 01 March 2005 18:39:
 
 Please consider contributing them to the database.
 
 Yes. But please concentrate on *landmarks*: Buildings and structures you
 actually see from an aircraft. Things that help with orientation and allow
 to recognize unique locations. Try not to waste megabytes with substandard
 appartment houses that 99,999% of people don't even find in the scenery
 if they *search* for them.  :-}

Well, yeah, I agree, objects that are hard to spot aren't so helpful.
But since the original poster's stated intent was to try to improve
the VFR experience, I guess I presume he knows that.

When you landed at KMDW on Runway 31 (I think), you used to fly right
over a White Castle just before landing.  That's something you wouldn't
have picked out from a distance; but I'd love to see that in FG.

And as a slight shift of topic, even if a structure's model doesn't
really belong in the database, it may be useful in another way.  We
have generic 2-12 story random structures in FG -- but a small number
of models of them, and so there's a lot of sameness.  If a model
seemed appropriate for such, I think it'd be great to add it to the
shared models used for random structures, with appropriate adjustments
of materials.xml coverage values to keep the total density of
structures the same.  Despite how boring the architecture of most
mid-rise apartment buildings is today, they don't really all look
alike, hehehe.

-c





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Re: [Flightgear-devel] Anyone using TomTom POI files for scenery

2005-03-01 Thread cmetzler

Martin Spott wrote:
 [EMAIL PROTECTED] wrote:

 Both Jon and I have written code to do this iteratively for a list of
 lat/lon locations (I think Jon used Perl; I used Python).  Sadly, it
 requires running FlightGear and is slow; but at least it's hands-off.
 
 If I may quote Frederic Bouvier (regarding FGSD):
 
 It shouldn't be too difficult. Just a matter of wrapping up the
 FGSD_TriangleObject class into a main function.
 
 
  but nobody did that.

I can barely *spell* C++, so it won't be me.  Eventually in my
copious free time I'll learn it, I hope.

-c





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Re: [Flightgear-devel] Anyone using TomTom POI files for scenery populating?

2005-03-01 Thread Roberto Inzerillo
Hello Chris,


  Did anyone walked this way before?
 
 Not with TomTom POI files that I'm aware of.  There is a *lot* of ongoing
 work on getting more ground structures into the FG scenery, however.  Jon
 Stockill and Martin Spott have built a master database for ground scenery
 object locations and shared models to represent them.

That is a good job. I like it :-)

  Jon's populated the
 database of locations with objects from the UK's CAA obstruction surveys,
as
 well as the implied positions of VORs/localizers/etc. from world airports;
 I've added the U.S. FAA's obstruction information (including just about
 everything in the U.S. above 200 feet AGL, and a lot that isn't) and the
 FCC's database of antenna structures.  Lots of us have been making shared
 models for generic objects (e.g. a generic crane, a generic
smokestack/chimney,
 generic skyscrapers for buildings that nobody's specifically done yet,
 etc.), as well as models for specific structures/landmarks.  I don't know
that
 an official release announcement has been made of yet, but go ahead and
 take a look at:
 
 http://fgfsdb.stockill.org/
 
 Depending on the objects in the POI files, there may be some overlap; but
 more data is always good.
 
 
  I am starting to build some 3d models of
  the most common gas stations and hotels around my city.
 
 Please consider contributing them to the database.

I already did :-) I even contributed, and will again in the near future.

I have a lot of work in progress here. Sadly I'm relatively new to this
stuff so the work needs time (mainly used for learning how to use the
software and how things work) so I don't upload very many models to the
database.

Anyway I like it and I will go on with the 3d building phase. I'd
apprecheate having some more tools (knowledge and skill) for terrain
manipulating but ... by now I have to base my work on the current scenery
terrain datasets, even if they're not detailed/correct enough.



  I need a way to get
  the height of some point of a scenery having latitude and longitude only
 (no
  clue how to do that).
 
 Both Jon and I have written code to do this iteratively for a list of
 lat/lon locations (I think Jon used Perl; I used Python).  Sadly, it
requires
 running FlightGear and is slow; but at least it's hands-off.

Does it work (did you test it) with Win32 OS too? That's what I need.



  I will check if those coordinates used in TomTom files
  are coherent with FGFS format or need some conversion. I will go on
 looking
  around the internet for finding other interesting POI files (I am
 currently
  trying to get a detailed map of Wind Energy Farms in my country which
 could
  be very nice landmarks to put into FGFS :-)
 
 There's a wind turbine model in the database for just this reason; there
 are wind turbine locations in the database, but they could stand some
 fleshing-out.  So this would be good.

I will use it of course. At least untill I find detailed pictures of the
ones in my country. I prefer being as much realistic as I can because I
don't like world simulations far too distant from reality. I once saw a MSFS
scenery of the city I lieve into, which used a lot of shared buildings to
populate the city, well ... It was pretty nice but I was very disturbed by
those evidently _fake_ grey boxes around.
It was very nice to look at the only realistic buildings of the scenery and,
knowing the place, only thanks to them I was able to immediately recognize
the city tile. The remaining parts were very confusing.
So, I will first make use of shared (generic) models and then will (if
possible) create more realistic (not more detailed but more similar to the
real objects) models. That's my idea, but I like hearing what other FGFS
users like too :-)


  I also noticed that those POI files are generally distributed free with
 very
  relaxed licenses.
 
 But this is the crux of the biscuit.  What, specifically, is the license? 
 Very relaxed isn't detailed enough to say whether it's compatible with
 the GPL, and thus can/cannot be distributed with FlightGear.  It's likely
 that the POI files themselves cannot be distributed with FG.

Well, I've already found some POI files which are distributed with the only
limitation being not to distribute them without stating where I took them
from. Is this compatible enough to GNU-GPL?   :-)


 
 *HOWEVER*, it's generally the case that copyright law indicates that one
 can copyright the presentation of a set of facts, but cannot copyright the
 facts themselves.  Thus, you're violating Encyclopedia Britannica's
 copyright if you  photocopy and distribute one of their volumes; but you
aren't
 violating their copyright if you write your own volume in your own words
that
 nonetheless contains all the information/facts contained in that
 Encyclopedia Britannica volume.  So while it may not be possible to
distribute the
 files, it may be possible to distribute the information within the files.

Good point, the problem arises when a 

Re: [Flightgear-devel] Anyone using TomTom POI files for scenery populating?

2005-03-01 Thread Arnt Karlsen
On Tue, 1 Mar 2005 19:34:20 +0100 (MET), Roberto wrote in message 
[EMAIL PROTECTED]:

   I also noticed that those POI files are generally distributed free
   with very relaxed licenses.
  
  But this is the crux of the biscuit.  What, specifically, is the
  license?  Very relaxed isn't detailed enough to say whether it's
  compatible with the GPL, and thus can/cannot be distributed with
  FlightGear.  It's likely that the POI files themselves cannot be
  distributed with FG.
 
 Well, I've already found some POI files which are distributed with the
 only limitation being not to distribute them without stating where I
 took them from. Is this compatible enough to GNU-GPL?   :-)

..the specific wording would be helpful, legalese _is_ a mine field.

  *HOWEVER*, it's generally the case that copyright law indicates that
  one can copyright the presentation of a set of facts, but cannot
  copyright the facts themselves.  Thus, you're violating Encyclopedia
  Britannica's copyright if you  photocopy and distribute one of their
  volumes; but you aren't violating their copyright if you write your
  own volume in your own words that nonetheless contains all the
  information/facts contained in that Encyclopedia Britannica volume. 
  So while it may not be possible to distribute the files, it may be
  possible to distribute the information within the files.
 
 Good point, the problem arises when a license requires the user not to
 use the informations distributed/obtained/produced with/thanks to the
 copyrighted files for any other purpose then the ones specified by the
 license (which could be a software, a piece of hardware or whatever).

..see what I mean by mine field?  ;o)

..the information, by itself, _may_ be patentable, and it may even be
restricted under contract law as trade secret by Non Disclosure
Agreements.

..the specific expression (of the information), by itself, is _not_ 
patentable, it _is_ copyrighted (if it can be), until it falls into the
public domain as the author's copyright expires or is put into the
public domain  by the author.

..copyrighted expressions cannot be distributed at all, under copyright
law, unless the author specificly allows this.  He may do so with common
sales contracts, open source licenses, weird ass slave contracts
called End User License Agreement, or, he can license it under the
GPL.  

..so, if you're _really_ gonna spoil your time etc on this planet to
prove my point, you're invited to sing the full text of Linus Torvald's 
Linux kernel source code, Live on Fox, in your own expressive opera 
aria song style, and pay me royalty for the use of my patent pending
idea to reduce national health expenditures from excessive US TV
watching.  ;o)

 Interesting point; I think we have a lot of Encyclopedia Britannica
 like information sources around; I think noone can copyright the
 WGS84 UTM coordinates of a Museum in my city, right? Or am I missing
 something in the copyright world scenario :-)

..some; it _depends_: the actual coordinates, correct as in No. 
The graphical expression can be painted in oil on a canvas and
copyrighted as an early Inzerillo if you do it now, or it can be used
and registred as a trademark for Inzerillo cigars made from your
early paintings. ;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: Anyone using TomTom POI files for scenery

2005-03-01 Thread Martin Spott
Melchior FRANZ wrote:

 Yes. But please concentrate on *landmarks*: Buildings and structures you
 actually see from an aircraft. Things that help with orientation and allow
 to recognize unique locations.

Correct, but don't limit to landmarks only. Several remarkable/unique
buildings alias eye candy at people's preferred location make a lot
of sense as well. Look at our base package scenery - we would not need
that many scyscrapers in SFO if our focus would be on landmarks only,

Martin.
-- 
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--

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Re: [Flightgear-devel] Anyone using TomTom POI files for scenery

2005-03-01 Thread Martin Spott
Frederic Bouvier wrote:
 Quoting Martin Spott :

 If I may quote Frederic Bouvier (regarding FGSD):

 It shouldn't be too difficult. Just a matter of wrapping up the
 FGSD_TriangleObject class into a main function.


  but nobody did that.
 
 Work in (slow) progress.

Hehe, I wrote this sentence in the hope someone else would be
interested to take this as a starter-project and load the work off
Frederic's shoulders  ;-)

Martin.
-- 
 Unix _IS_ user friendly - it's just selective about who its friends are !
--

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[Flightgear-devel] Re: Anyone using TomTom POI files for scenery

2005-03-01 Thread Melchior FRANZ
* Martin Spott -- Tuesday 01 March 2005 23:56:
 Melchior FRANZ wrote:
  Yes. But please concentrate on *landmarks*: Buildings and structures you
  actually see from an aircraft. Things that help with orientation and allow
  to recognize unique locations.
 
 Correct, but don't limit to landmarks only. Several remarkable/unique
 buildings alias eye candy at people's preferred location make a lot
 of sense as well. Look at our base package scenery - we would not need
 that many scyscrapers in SFO if our focus would be on landmarks only,

True. You force me to become a bit more specific: I'm worried about
*static* objects (as in OBJECT_STATIC) that consume 300kB each, and
are only used *once* in the whole world (which by itself is OK), while
looking so generic that they could be used for half of southern Europe,
and being so small that you don't see them stand out between the random
objects. I speak from personal experience: I searched for such a house
and couldn't find it. Yet, I had to download it. A few such cases are
no problem, but if this becomes a 200MB annoyance, someone has to pull
the emergency brake. Which I'm trying to do. (And I admit that said
houses look great in the screenshots -- which was the only way for me
to see them at all.  ;-)

My personal priorities:
(1) landmarks i.e.: tall, big and/or unique buildings/structures, bridges,
radio towers etc. -- things that help you with orientation and make
a flat and dull place at least remotely look like Paris, NY, Rome, ...
(2) airport buildings
(3) ...
(n) static, two/three-storied appartment houses

Hey, but any contribution is worth more than cheap talk or no
contribution at all. So, don't let me discourage you.  :-)

m.

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