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Home » Modeling » GMF (Graphical Modeling Framework) » Alas, GMF still unusable after all these years...
Alas, GMF still unusable after all these years... [message #215284] Thu, 15 January 2009 12:35 Go to next message
Michael Moser is currently offline Michael MoserFriend
Messages: 914
Registered: July 2009
Senior Member
Sorry for this, but I have been following the GMF development for quite
some time now and - while I was always (and still am) intrigued by the
idea and concept - the implementation is still totally unstable and
utterly unusable!

As always in the course of the last 3 years or so, I installed the
newest release version, then started by newly entering a very simple
model using the EMF diagram editor and then tried to create me a plain
vanilla diagram editor for it. I accepted defaults everywhere, but this
time I get already stuck in the creation of the GMF generator model!
First I got a couple of errors due to missing Link-label assignments. I
fixed those by assigning the appropriate values, but now GMF throws a
dozen or so "Validation failed unexpectedly for 'Type Link Model Facet'.
See log for details."

Looking at the logs all these error msg. are due to:
-----------------------------
java.lang.NullPointerException
at
org.eclipse.gmf.codegen.gmfgen.impl.GenNodeImpl.getReoriente dIncomingLinks(GenNodeImpl.java:545)
at
org.eclipse.gmf.codegen.gmfgen.impl.GenNodeImpl.eIsSet(GenNo deImpl.java:337)
at
org.eclipse.gmf.codegen.gmfgen.impl.GenTopLevelNodeImpl.eIsS et(GenTopLevelNodeImpl.java:128)
at
org.eclipse.emf.ecore.impl.BasicEObjectImpl.eIsSet(BasicEObj ectImpl.java:1235)
....
-----------------------------

What can I do as a simple "user" of GMF here???? I have been following
essentially exactly one of the recorded presentations, but for me these
never work!

I can't imagine that I am the only one running into these kind of
problems over and over again and I would guess, that not very many will
have the patience to revisit such a project every few months. With such
basic things not properly working IMHO all the efforts that go into the
bells and whistles that I keep hearing about in misc. presentations on
GMF seem doomed and complete useless to me. Get the basic things working
first and get them work reliable!

Michael
Re: Alas, GMF still unusable after all these years... [message #215311 is a reply to message #215284] Thu, 15 January 2009 14:02 Go to previous messageGo to next message
Eclipse UserFriend
Originally posted by: cayla_sha.gmx.net

Hello!

I don`t know what your exact problems are, but I had the impression that
a simple editor is made really fast with GMF.
I started with GMF in September and first I followed eagerly the
instructions of the Tutorials (like this:
http://wiki.eclipse.org/GMF_Tutorial or this:
http://www-128.ibm.com/developerworks/opensource/library/os- ecl-gmf/) It
took me only a very short time to build my own working editor. It was
very simple, but it worked.

The problems came after this: No one needs such a simple editor. You can
use Visio or simliar for that. When someone writes a new editor, he
wants special features in it. And for that features the costs are
unequally superior, because then you have to take a look into the
generated code. This code is a huge project which you`ve never seen
before and you have not a minimal idea what it does. And there is nearly
no documentation for this code.
I work now for about 4 months with GMF and now I begin to understand
slowly whatever holds the code together in its inmost folds ;)
But this is a general problem of model-driven software-development.

To come back to the point of my statement:
A simple editor is made very fast with GMF. I had no problems with that.
And if the requirements of my project wouldn`d have shifted permanently,
I would`ve been faster done than in 5 months with my not-so-simple
editor. I think, this is still a reasonable amount of time for such a
project. I think, when I would´ve had to program the whole editor alone,
this would`ve taken MUCH longer. And I suppose it wouldn`t look so nice :)

Thanks GMF :D
Julia
Re: Alas, GMF still unusable after all these years... [message #215336 is a reply to message #215311] Thu, 15 January 2009 15:57 Go to previous messageGo to next message
Michael Moser is currently offline Michael MoserFriend
Messages: 914
Registered: July 2009
Senior Member
Cayla Sha wrote:
> ...
> Thanks GMF :D
> Julia

Well - good for you then.

As I wrote: I am trying some simple example on the latest version of GMF
every few months and I have never so far managed to get a decently
working diagram editor out of the box. Most times it's the running
editor, that then has some weird problems, but this time the whole
process already failed when trying to generate the generator model, i.e.
this time I didn't even come as far as trying to generate actual code
(for those who want to take a look: I provided the files of my last
attempt as attachments to a bugzilla -
https://bugs.eclipse.org/bugs/show_bug.cgi?id=261184).

Its really frustrating! I would love to start diving into the generated
code to understand how it works and where the hooks and extension points
are and then continue from there, since I have a couple of ideas what I
would like to create with it. But since it can't even build me a simple
example to start from it feels like a jet plane filled with lead bricks.

Michael
Re: Alas, GMF still unusable after all these years... [message #215383 is a reply to message #215336] Thu, 15 January 2009 17:53 Go to previous messageGo to next message
Dennis Doubleday is currently offline Dennis DoubledayFriend
Messages: 3
Registered: July 2009
Junior Member
Michael Moser wrote:
> Cayla Sha wrote:
>> ...
>> Thanks GMF :D
>> Julia
>
> Well - good for you then.

Are you just venting, then?

I agree with most of what Julia wrote, large learning curve, most things
must be learned by example, extremely limited documentation (if only
there were a GMF book that is the equivalent of Clayberg/Rubel's plugin
book)--but still, it is pretty amazing what it does for you. My team has
made much more progress toward a graphical editing product than if we
had started from scratch.

And Alex is awesome on this newsgroup!
Re: Alas, GMF still unusable after all these years... [message #215393 is a reply to message #215284] Thu, 15 January 2009 19:09 Go to previous messageGo to next message
Rennie allen is currently offline Rennie allenFriend
Messages: 16
Registered: July 2009
Junior Member
I couldn't disagree more. In less than 1 month I have built a very robust
usable DSL and editor.
Re: Alas, GMF still unusable after all these years... [message #215398 is a reply to message #215383] Thu, 15 January 2009 19:11 Go to previous messageGo to next message
Rennie allen is currently offline Rennie allenFriend
Messages: 16
Registered: July 2009
Junior Member
There is a book (I have a copy), and it is pretty decent.
Re: Alas, GMF still unusable after all these years... [message #215403 is a reply to message #215398] Thu, 15 January 2009 19:21 Go to previous messageGo to next message
Michael Moser is currently offline Michael MoserFriend
Messages: 914
Registered: July 2009
Senior Member
Rennie allen wrote:
> There is a book (I have a copy), and it is pretty decent.

And it's name / author / ISBN is ... ?

Michael
Re: Alas, GMF still unusable after all these years... [message #215410 is a reply to message #215383] Thu, 15 January 2009 19:29 Go to previous messageGo to next message
Michael Moser is currently offline Michael MoserFriend
Messages: 914
Registered: July 2009
Senior Member
Dennis Doubleday wrote:
> ...
> Are you just venting, then?

Yes, I was venting my frustration, that after 2+ years, I still can't
automatically generate a diagram editor by feeding in a model that is
more complicated than [A => B].
After such a time I would expect, that if I run a wizard and I accept
all the defaults, that I then at least get something that compiles and
starts up.
Whether it then is what I want is of course another question, but I
would at least have a starting point...

Michael
Re: Alas, GMF still unusable after all these years... [message #215427 is a reply to message #215403] Thu, 15 January 2009 20:00 Go to previous messageGo to next message
Ed Merks is currently offline Ed MerksFriend
Messages: 31780
Registered: July 2009
Senior Member
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Michael,

Here you go:

http://www.informit.com/store/product.aspx?isbn=0321580540

While there might well be room for improvement---what software is
perfect?--it just doesn't seem to me that the manner in which you vent
criticism is the least bit constructive. You realize of course that
your behavior inevitably reflects on the company for which you work...

If something is important enough to me, I go and fix it myself. Or I
try nicely to get someone else to help me. Or I just don't bother using
it if both these approaches fail or aren't feasible. I know from my own
personal dealings with others that those who tick me off, go to the
bottom of the queue. Expressions like "don't look a gift horse in the
mouth" or "you'll catch more flies with honey than with vinegar" come to
mind... After all GMF's free, so you're getting more than what you paid
for...


Michael Moser wrote:
> Rennie allen wrote:
>> There is a book (I have a copy), and it is pretty decent.
>
> And it's name / author / ISBN is ... ?
>
> Michael
>

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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<meta content="text/html;charset=ISO-8859-15"
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Michael,<br>
<br>
Here you go:<br>
<blockquote><a
href="http://www.informit.com/store/product.aspx?isbn=0321580540">http://www.informit.com/store/product.aspx?isbn=0321580540</a><br>
</blockquote>
While there might well be room for improvement---what software is
perfect?--it just doesn't seem to me that the manner in which you vent
criticism is the least bit constructive.


Ed Merks
Professional Support: https://www.macromodeling.com/
Re: Alas, GMF still unusable after all these years... [message #215468 is a reply to message #215410] Fri, 16 January 2009 10:36 Go to previous messageGo to next message
urs zeidler is currently offline urs zeidlerFriend
Messages: 91
Registered: July 2009
Member
Michael Moser schrieb:
> Dennis Doubleday wrote:
>> ...
>> Are you just venting, then?
>
> Yes, I was venting my frustration, that after 2+ years, I still can't
> automatically generate a diagram editor by feeding in a model that is
> more complicated than [A => B].
> After such a time I would expect, that if I run a wizard and I accept
> all the defaults, that I then at least get something that compiles and
> starts up.
> Whether it then is what I want is of course another question, but I
> would at least have a starting point...
>
> Michael
>
Try this :

http://opensource.urszeidler.de/ATLflow/html1/samples/genera teGMF.html

A transformation chain to produce all artifact from your ecore model.

greetings urs.
Re: Alas, GMF still unusable after all these years... [message #215598 is a reply to message #215427] Fri, 16 January 2009 18:59 Go to previous messageGo to next message
Rennie allen is currently offline Rennie allenFriend
Messages: 16
Registered: July 2009
Junior Member
Ed Merks wrote:

> Michael,

> Here you go:

> http://www.informit.com/store/product.aspx?isbn=0321580540

...

> Michael Moser wrote:
>> Rennie allen wrote:
>>> There is a book (I have a copy), and it is pretty decent.
>>
>> And it's name / author / ISBN is ... ?
>>
>> Michael
>>

Since the announcement regarding availability of the book was posted in
the forum just 2 days before Michael's post, I figured I'd do a little
test, to see just how much research Michael had done before pronouncing
GMF unusable...
Re: Alas, GMF still unusable after all these years... [message #215614 is a reply to message #215410] Fri, 16 January 2009 19:32 Go to previous messageGo to next message
Eclipse UserFriend
Originally posted by: thomas.beyer.t-online.de

Hello Michael,

While reading your comments, I feel truly sorry for the GMF team and all
the users, that contribute to and put so much effort in a powerful
project like GMF.

Without disrespect, after 2+ years occupation with GMF and still not
being able to generate a diagram editor more complicated than A => B, I
would look for a different assignment than software development at all.

I agree, that GMF requires quiet some effort in the beginning, if your
new to Eclipse and/or GMF, in order to customize the default generated
editor to clients' specific needs. Well, it is very powerful and
therefor reasonably complex.

However, you CAN customize the code to your or your clients needs,
because its free and open!
You don't have to invest into cots-product's customization and support,
all you need is a smart engineer with some knowledge of java and modeling.
To my understanding, this provides the opportunity also for small
companies to adopt model driven software development and further this
sector.

I'm accompanying Eclipse since its code became open in 2001 and I am
fascinated year by year of what this community get's going.

After about one year of intensive dealing with GMF, I would say, I can
do pretty much anything I want with moderate effort.
Yes, I had hard times fully understanding concepts of GMF, however my
best assistant always was the community itself and reports of other
users. The way it works is hard to believe.
If the project doesn't adress the issues I require, I am doing it myself
and in most cases I find the time to share the solution with all the
others that might struggle at the same point.

I hope the contributors keep up the good work.


Regards
Thomas






Michael Moser schrieb:
> Dennis Doubleday wrote:
>> ...
>> Are you just venting, then?
>
> Yes, I was venting my frustration, that after 2+ years, I still can't
> automatically generate a diagram editor by feeding in a model that is
> more complicated than [A => B].
> After such a time I would expect, that if I run a wizard and I accept
> all the defaults, that I then at least get something that compiles and
> starts up.
> Whether it then is what I want is of course another question, but I
> would at least have a starting point...
>
> Michael
>
Re: Alas, GMF still unusable after all these years... [message #215710 is a reply to message #215284] Sat, 17 January 2009 11:34 Go to previous messageGo to next message
Eclipse UserFriend
Originally posted by: thugcee.gmail.com

Hi,

If we are complaining about GMF, there is one more thing to add: the
community. I have the strong impression that 95% of people on this news
group only asks questions. After receiving a solution for the problem
(usually from contributors) they even do not bother themselves to reply
if it worked. Lack of documentation is the problem of many OS projects
and the community should play an important role in solving it.

If every developer posted even small, but well described, discovered by
him/her example/hint/snippet to the wiki we would have very good
documentation.

greetings,
Seweryn Niemiec
Re: Alas, GMF still unusable after all these years... [message #215724 is a reply to message #215710] Sat, 17 January 2009 12:58 Go to previous messageGo to next message
Ed Merks is currently offline Ed MerksFriend
Messages: 31780
Registered: July 2009
Senior Member
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Seweryn,

This reminds me of yet another old saying. When you point at the flaws
of others, look closely at your own hand and you'll notice there are
several fingers pointing back...

A few years back I recall sitting through a meeting where a group of
people were basically complaining (seemingly endlessly) about the lack
of EMF documentation. I let them go on for a very long while (or so it
seemed to me) and then finally asked a few very simple questions. What
you have you done to help? Have you ever added a question and answer to
the FAQ? It's a wiki, so you can. Have you ever written down the two
or three things that really would have helped you get started as a
beginner? Goodness knows I personally have an extremely poor
understanding of the beginner's perception of something I know extremely
well! Of course I already knew the answers to these questions and folks
did sheepishly agree that when there is an endless stream of free
goodness, there is little point in complaining that all the goodness
isn't as well documented as it should be. Do something about it, grin
and bear it, done' use it at all, but for goodness sake, leave the
tantrums for the children.

GMF's FAQ could use a little LTC from the community:

http://wiki.eclipse.org/index.php/Graphical_Modeling_Framewo rk_FAQ

A GMF recipes page like the EMF one would be a nice way to share
experiences:

http://wiki.eclipse.org/EMF/Recipes

And of course anyone can write an informative article:
<http://www.eclipse.org/articles/>

http://www.eclipse.org/articles/

Thanks for helping to remind us that in a community we all share some
small obligation. Constructive civil behavior is the grease that makes
it all run smoothly...


Seweryn Niemiec wrote:
> Hi,
>
> If we are complaining about GMF, there is one more thing to add: the
> community. I have the strong impression that 95% of people on this
> news group only asks questions. After receiving a solution for the
> problem (usually from contributors) they even do not bother themselves
> to reply if it worked. Lack of documentation is the problem of many OS
> projects and the community should play an important role in solving it.
>
> If every developer posted even small, but well described, discovered
> by him/her example/hint/snippet to the wiki we would have very good
> documentation.
>
> greetings,
> Seweryn Niemiec

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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta content="text/html;charset=ISO-8859-1" http-equiv="Content-Type">
<title></title>
</head>
<body bgcolor="#ffffff" text="#000000">
Seweryn,<br>
<br>
This reminds me of yet another old saying.&nbsp; When you point at the flaws
of others, look closely at your own hand and you'll notice there are
several fingers pointing back...<br>
<br>
A few years back I recall sitting through a meeting where a group of
people were basically complaining (seemingly endlessly) about the lack
of EMF documentation.&nbsp; I let them go on for a very long while (or so it
seemed to me) and then finally asked a few very simple questions.&nbsp; What
you have you done to help?&nbsp; Have you ever added a question and answer
to the FAQ?&nbsp; It's a wiki, so you can.&nbsp; Have you ever written down the
two or three things that really would have helped you get started as a
beginner? Goodness knows I personally have an extremely poor
understanding of the beginner's perception of something I know
extremely well!&nbsp; Of course I already knew the answers to these
questions and folks did sheepishly agree that when there is an endless
stream of free goodness, there is little point in complaining that all
the goodness isn't as well documented as it should be.&nbsp; Do something
about it, grin and bear it, done' use it at all, but for goodness sake,
leave the tantrums for the children.<br>
<br>
GMF's FAQ could use a little LTC from the community:<br>
<blockquote><a
href=" http://wiki.eclipse.org/index.php/Graphical_Modeling_Framewo rk_FAQ"> http://wiki.eclipse.org/index.php/Graphical_Modeling_Framewo rk_FAQ</a><br>
</blockquote>
A GMF recipes page like the EMF one would be a nice way to share
experiences:<br>
<blockquote><a href="http://wiki.eclipse.org/EMF/Recipes">http://wiki.eclipse.org/EMF/Recipes</a><br>
</blockquote>
And of course anyone can write an informative article:<a
href="http://www.eclipse.org/articles/"><br>
</a>
<blockquote><a href="http://www.eclipse.org/articles/">http://www.eclipse.org/articles/</a><br>
</blockquote>
Thanks for helping to remind us that in a community we all share some
small obligation.&nbsp; Constructive civil behavior is the grease that makes
it all run smoothly...<br>
<br>
<br>
Seweryn Niemiec wrote:
<blockquote cite="mid:gksfnv$ufs$1@build.eclipse.org" type="cite">Hi,
<br>
<br>
If we are complaining about GMF, there is one more thing to add: the
community. I have the strong impression that 95% of people on this news
group only asks questions. After receiving a solution for the problem
(usually from contributors) they even do not bother themselves to reply
if it worked. Lack of documentation is the problem of many OS projects
and the community should play an important role in solving it.
<br>
<br>
If every developer posted even small, but well described, discovered by
him/her example/hint/snippet to the wiki we would have very good
documentation.
<br>
<br>
greetings,
<br>
Seweryn Niemiec
<br>
</blockquote>
</body>
</html>

--------------060906040604020809080405--


Ed Merks
Professional Support: https://www.macromodeling.com/
Re: Alas, GMF still unusable after all these years... [message #215731 is a reply to message #215724] Sat, 17 January 2009 14:14 Go to previous messageGo to next message
Seweryn Niemiec is currently offline Seweryn NiemiecFriend
Messages: 80
Registered: July 2009
Member
Ed Merks wrote:
> This reminds me of yet another old saying. When you point at the flaws
> of others, look closely at your own hand and you'll notice there are
> several fingers pointing back...

Hi Ed,

Did you check my posts on this group and contribution do GMF wiki before
accusing me of hypocrisy?

--
Greetings,
Seweryn
Re: Alas, GMF still unusable after all these years... [message #215738 is a reply to message #215731] Sat, 17 January 2009 14:51 Go to previous messageGo to next message
Ed Merks is currently offline Ed MerksFriend
Messages: 31780
Registered: July 2009
Senior Member
Seweryn,

Oh dear! My little finger wasn't point at you! But I can certainly see
how it would look that way. So sorry for my careless wording. It just
goes to show you how careful we all need to be (even me!) about those
pointing fingers; not only can they point back, they can point astray!

I find it very gratifying to see how many people came to GMF's defense.
I'm sure the GMF team appreciates it even more.

Cheers,
Ed


Seweryn Niemiec wrote:
> Ed Merks wrote:
>> This reminds me of yet another old saying. When you point at the
>> flaws of others, look closely at your own hand and you'll notice
>> there are several fingers pointing back...
>
> Hi Ed,
>
> Did you check my posts on this group and contribution do GMF wiki
> before accusing me of hypocrisy?
>


Ed Merks
Professional Support: https://www.macromodeling.com/
Re: Alas, GMF still unusable after all these years... [message #215852 is a reply to message #215731] Mon, 19 January 2009 18:24 Go to previous messageGo to next message
Rennie allen is currently offline Rennie allenFriend
Messages: 16
Registered: July 2009
Junior Member
Seweryn Niemiec wrote:

> Hi Ed,

> Did you check my posts on this group and contribution do GMF wiki before
> accusing me of hypocrisy?

Seweryn,

Just to let you know, I did not understand Ed's post as accusing you of
hypocrisy. It was clear to me, that Ed was referring to the OP (just as
you were).

Anyway, I think most agree that GMF is cool, and that there could
certainly be better documentation, and that we could all do more to help.
If everyone committed to (over the next year) posting one single page
description of something that they found difficult to understand when
ramping up on GMF, then that might be a more productive exercise than
having these sorts of threads (and I understand that I am only echoing
your point :-)

Back to the OP, it certainly doesn't help the GMF community to make
unjustified assertions regarding the utility of GMF, since that is likely
to discourage someone attempting to overcome the the challenges presented
by the limited documentation, if it does not appear that there is a pot at
the end of the rainbow.

I commend the author of the "A Domain Specific Language Toolkit" for the
book, and I think that this will give most newbies what they need to get
their mouth around the first bite of GMF. If someone isn't prepared to
spend $38.00 for the book, then they are probably students/hobbyists who
relish the challenge presented by the sparse documentation :-)
Re: Alas, GMF still unusable after all these years... [message #215859 is a reply to message #215284] Tue, 20 January 2009 09:28 Go to previous messageGo to next message
Vlad Varnica is currently offline Vlad VarnicaFriend
Messages: 546
Registered: July 2009
Location: Milton Keynes - UK
Senior Member
Michaël,

I fully agree with your point of view.

Please note that Omondo has not selected to use GMF for the following
reasons:
- unstable as soon as diagrams become bigger and complex (e.g. refresh and
memory problems)
- scalability problems (you can only use small models, you can't use
multiple models, you can't use multiple packages etc...)
- not native XMI because using EMF transformation (e.g. this is a serious
UML modeling limitation. btw, GMF is great for DSL integrations).
- Permanent API changes not always compatible between different Eclipse
releases.

Vlad
Omondo
Re: Alas, GMF still unusable after all these years... [message #215867 is a reply to message #215859] Tue, 20 January 2009 09:31 Go to previous messageGo to next message
Vlad Varnica is currently offline Vlad VarnicaFriend
Messages: 546
Registered: July 2009
Location: Milton Keynes - UK
Senior Member
I have forgotten to say that we use the Atlas project already and this is
great project :-)
Sorry for the confusion.

Vlad,
Omondo
Re: Alas, GMF still unusable after all these years... [message #215969 is a reply to message #215867] Wed, 21 January 2009 08:41 Go to previous messageGo to next message
Steve is currently offline SteveFriend
Messages: 24
Registered: July 2009
Junior Member
Hello All,

To Criticize anything is very easy. But from my experience I would tell
this. I am in to GMF development for past 2 years and developed one robust
application for telecoms domain for my company.I agree at first, the
learning curve is very steep and still I am a newbie when it comes to
implementing certain features for the current project I am working on.The
people at GMF are very helpful in clearly explaining my doubts.Special
mention to Ed Merks and Alex Shatalin.

Before I had worked in an open source project named Gantt project, some
people will be knowing this project.There also I have seen critisisms like
this, What I need to ask most of the people is, How many will be willing
to work on an Open source software/framework development, who comes to
clear their doubts in this newsportal? May be some 20 maximum. So I would
say the GMF team is doing a very good job and the project is great. Please
don't expect to make a GMF application like we do using M$ Visual studio.

Nothing is perfect.If you feel a certain technology is not apt for your
requirement or you don't have time and patience don't go for it.Model
driven programming is hard indeed.Nothing is perfect in this world, Like
any other software application, GMF has also got great scope of
improvement.The contributors are doing a good job. Lack of tutorials I
agree, But the starting tutorials are very good from which any one can
build upon.A specific tutorial cannot be made using all the features,
because this framework is used in a wide variety of domains from simple
editor to Telecoms software to Real time programs that interacts with
mission critical elements.

By the way no offense meant to anyone.

Thanks,

Steve
Re: Alas, GMF still unusable after all these years... [message #218258 is a reply to message #215427] Wed, 11 February 2009 12:01 Go to previous messageGo to next message
Lorenzo Bettini is currently offline Lorenzo BettiniFriend
Messages: 1775
Registered: July 2009
Location: Firenze, Italy
Senior Member
Ed Merks wrote:
> Michael,
>
> Here you go:
>
> http://www.informit.com/store/product.aspx?isbn=0321580540
>

but that's the book on EMF... I think we were asking for a GMF book...

--
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Re: Alas, GMF still unusable after all these years... [message #218266 is a reply to message #218258] Wed, 11 February 2009 12:07 Go to previous message
Lorenzo Bettini is currently offline Lorenzo BettiniFriend
Messages: 1775
Registered: July 2009
Location: Firenze, Italy
Senior Member
Lorenzo Bettini wrote:
> Ed Merks wrote:
>> Michael,
>>
>> Here you go:
>>
>> http://www.informit.com/store/product.aspx?isbn=0321580540
>>
>
> but that's the book on EMF... I think we were asking for a GMF book...
>

sorry, my mistake, I didn't know about this new book, and I thought it
was the EMF book...

does this book explain GMF in details?

thanks in advance
Lorenzo

--
Lorenzo Bettini, PhD in Computer Science, DI, Univ. Torino
ICQ# lbetto, 16080134 (GNU/Linux User # 158233)
HOME: http://www.lorenzobettini.it MUSIC: http://www.purplesucker.com
http://www.myspace.com/supertrouperabba
BLOGS: http://tronprog.blogspot.com http://longlivemusic.blogspot.com
http://www.gnu.org/software/src-highlite
http://www.gnu.org/software/gengetopt
http://www.gnu.org/software/gengen http://doublecpp.sourceforge.net


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