[Flightgear-devel] How to control the flightgear through TCP/IP with 6 dependencies

2008-11-24 Thread 葛双寅
I am working on a project which should be able to read a file where
the 6 dependencies are located and control the flight using the
dependencies.
Anyone could teach me something or recommend some resouces. Any answer
would be appreciated...

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[Flightgear-devel] Patch for unexpected view size on reset (was Z-near problem with new code)

2008-11-24 Thread Tatsuhiro Nishioka
Hi, 

Though I can't confirm the bug that you mentioned yet 
but I made a patch to fix the problem I reported in the last post.

The cause is that restoreInitialState() overwrites the width/height of
gui and camera views with the values at the launch time.

This patch will save the following two nodes :
- /sim/rendering/camera-group/gui
- /sim/rendering/camera-group/camera

and then restore these after restoreInitialState() is called.

I confirmed that it is fixed with fgfs with single camera and with three 
cameras.

This save/restore thing might have to be written as functions or methods in 
CameraGroup.cxx instead of 
directly written in fg_init.cxx::reINit() since save/restore thing can be more 
complex when you specify a configuration
with more than one camera and/or with more than one window.

Anyway, it is fixed at this moment.
Please check the attached patch on some configurations (single camera, and 
multiple cameras), and commit it if it works.

Best,

Tat

On Nov 23, 2008, at 5:01 PM, Tim Moore wrote:
 Tatsuhiro Nishioka wrote:
 Hi, 

 I have similar problem, but a bit different (on Mac OS X)
 When launching with non 800x600, the splash screen is centered. no problem.
 but when resetting after resizing window has a clipping problem.

 Here is the screenshot:
 http://macflightgear.sourceforge.net/wp-content/uploads/800x600bug.jpg

 I launched fgfs with 800x600. When on runway, I resized window and then 
 reset.
 I used fg/cvs, sg/cvs, plib/svn, and osg/svn as of 11 hours ago.
 I made sure the version of CameraGroup.cxx is 1.7 (the latest)
 It seems that the screen size (view size?) is also reset to the one settled 
 at the launch time.

 If I specify --geometry=1024x768 option, the view size on reset always goes 
 to 1024x768
 no matter what actual window size at rest is.

 I guess we need to update the view size on reset.
 Yes, there is a bug when the actual window size doesn't match the requested 
 window size; for example, 1024x768 on my laptop is too tall for the window 
 manager menu bars. A workaround for now is to supply dimensions that you will 
 actually get.



resizeOnResetBugfix.diff
Description: Binary data
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Re: [Flightgear-devel] heads up: Boost dependency

2008-11-24 Thread Tatsuhiro Nishioka
Hi, 

On Nov 21, 2008, at 10:08 PM, Tim Moore wrote:
 From Mac OS side, there seems no problem in using headers of any
 version of Boost as long as FlightGear works fine. I'll just grab it
 and build FG with boost headers. No difficulties. However, if we're
 going to use boost libraries before the next official release, I need
 to make sure the binary works on at least some Macs, including
 ppc/intel and OS X 10.4/10.5. Probably it needs some weeks to collect
 feedbacks.
 I've just checked a change to configure.ac that checks for a minimum version 
 of 
 Boost, looks for it in all the right places, properly supports --with-boost, 
 etc. I know that you don't use configure for the Mac builds, but this should 
 ease the vast majority of problems for Linux users.

Yes, and configure.ac doesn't affect anything on Mac binary.
I also built fgfs with boost header, and there was no build problems.

 So I want to hear Tim's (and others') opinion about:
 (1) what are the pros in using Boost especially in FlightGear.
 If that doesn't give us any improvement in quality (like
 maintainability, testability, usability, response, performance or
 whatever you name it) or functionality in a clear way, we can live
 without it, at least until the next official release (or until the
 next release branch is made).

 I've stated this before, a couple of different times. It provides many 
 advantages in terms of convenience and cross-platform compatibility. In terms 
 of 
 maintainability and testing, I consider it a great advantage to leave those 
 things to a much larger community where possible. The use of Boost in the 
 currently checked-in sources is completely gratuitous, but in the future it 
 will 
 not be. I think it's a reasonable first step, and is certainly shaking out 
 problems :)

That is a good idea. cross-platform compatibility can reduce the time for 
debugging / testing.
I also saw your proposal again and understood. it is a reasonable choice to me.


 (2) Are we going to use boost libraries in the near future?
 Hope not until the next release.
 Certainly not until after the release. If a library (as opposed to a header 
 file) is useful, we should use it and solve the build issues.

Excellent. It saves my time in checking if it works on many Macs.

Best,

Tat

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[Flightgear-devel] Fwd: Astrasim Expo Flight Simulation Shows 2009

2008-11-24 Thread Curtis Olson
I received this email today and am forwarding it to our devel list so all
our UK based developers can see.

Regards,

Curt.


-- Forwarded message --
From: John Marshall [EMAIL PROTECTED]
Date: Mon, Nov 24, 2008 at 3:17 AM
Subject: Astrasim Expo Flight Simulation Shows 2009
To: [EMAIL PROTECTED]


Dear Sir,

The reason for this mail is to advice you of a new company I have formed in
the UK. Astrasim Expo Ltd. Our aim is to exhibit and promote flight
simulation for enthusiasts. With more entertainment and more interactive
activities.

The main event next year is to be held at the Royal Air Force Museum
Cosford, Shropshire. A full two day event has been plotted in with September
19th - 20th being the show dates. Conference facilities will be available
and some of the interested parties who are scheduling new software/hardware
releases next year are very interested in promoting their products in this
style.

Our remit is to hold one major event in the UK each year. By taking these
events around the country gives an opportunity to all, who may not be able
to make it to some of the places where shows have been held previously. Many
of the leading companies in the UK have expressed great interest in this and
exhibitor packs have already been ordered.

If you would like more information on any of the topics briefly covered
above please don't hesitate to contact myself.

If interested in attending, I do have presentation pack's available for
exhibitors, I can get one despatched out to you.

Thanks for your time with this.


-- 
Regards

John Marshall
Managing Director
Astrasim Expo Ltd

http://astrasimexpo.co.uk



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Re: [Flightgear-devel] Fwd: Astrasim Expo Flight Simulation Shows 2009

2008-11-24 Thread James Turner

On 24 Nov 2008, at 20:30, Curtis Olson wrote:

 I received this email today and am forwarding it to our devel list  
 so all our UK based developers can see.

Assuming the packs are free, worth considering. We have enough people  
in the UK (or close to it). Depends if they're offering free space or  
paid space, however.

 Conference facilities will be available and some of the interested  
 parties who are scheduling new software/hardware releases next year  
 are very interested in promoting their products in this style.

Better get a 2.0 release out the door for next September then, ;)

(Seriously, thanks to Tat's projects and some screaming at Xcode I can  
run CVS reliably now, and I'm very pleased with the advances compared  
to 1.0, especially with Stuart's clouds and the improved reflections)

James

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Re: [Flightgear-devel] Fwd: Astrasim Expo Flight Simulation Shows 2009

2008-11-24 Thread Jon Stockill
Curtis Olson wrote:
 I received this email today and am forwarding it to our devel list so 
 all our UK based developers can see.

Count me in. A brief look at their website shows an event at Sherburn 
aero club the month before too - and that's just up the road from here, 
so I'd be interested in doing that one too.

Linux expo a lot of years ago when the royal navy museum lent us a 
helicopter was an absolute blast, and it's always nice to put faces to 
names.

Who else is interested in either Cosford, Sherburn, or both?

Jon

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Re: [Flightgear-devel] Fwd: Astrasim Expo Flight Simulation Shows 2009

2008-11-24 Thread Jon Stockill
Curtis Olson wrote:
 I received this email today and am forwarding it to our devel list so 
 all our UK based developers can see.


 -- Forwarded message --
 From: *John Marshall* [EMAIL PROTECTED] 
 
 If interested in attending, I do have presentation pack's available for 
 exhibitors, I can get one despatched out to you.

Since it seems I'm not the only person interested before we bombard them 
with requests we should probably be a bit more organised :-)

Who's gonna get the info pack? I'm happy to request it and scan it so it 
can be made available for anyone else wanting to attend.

Jon


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Re: [Flightgear-devel] Fwd: Astrasim Expo Flight Simulation Shows 2009

2008-11-24 Thread Vivian Meazza
Jon Stockill

 
 Curtis Olson wrote:
  I received this email today and am forwarding it to our devel list so
  all our UK based developers can see.
 
 
  -- Forwarded message --
  From: *John Marshall* [EMAIL PROTECTED]
  
  If interested in attending, I do have presentation pack's available for
  exhibitors, I can get one despatched out to you.
 
 Since it seems I'm not the only person interested before we bombard them
 with requests we should probably be a bit more organised :-)
 
 Who's gonna get the info pack? I'm happy to request it and scan it so it
 can be made available for anyone else wanting to attend.
 
 Jon
 


Since this is your backyard, I suggest you lead on this one.

Vivian



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Re: [Flightgear-devel] Fwd: Astrasim Expo Flight Simulation Shows 2009

2008-11-24 Thread Jon Stockill
Vivian Meazza wrote:

 Since this is your backyard, I suggest you lead on this one.

Sherburn is (it's about 20 miles - were I to find myself with enough 
cash to learn to fly then that's where it'd be). Cosford is about 120 
miles away.

Sherburn is only a small flying club - TBH I can't see it being a *huge* 
event there (but I'm willing to be proven wrong). If people are planning 
on travelling any distance to attend one of the events then I'd highly 
recommend the one at Cosford - the museum there is fantastic and well 
worth a visit on its own.

Jon

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Re: [Flightgear-devel] Further 3D Clouds updates

2008-11-24 Thread Vivian Meazza
Frederic Bouvier wrote

 
  Attached is a small patch for 3D clouds.
 
  It provide the following:
  1) Proper spherical distribution of sprites (previously they were
 distributed cylindrically - whoops)
  2) Better shading, so the bottom of the cloud is darker than the top.
  3) Fixed a couple of texture sizing bugs.
 
  I don't think any of these are controversial, so if someone would commit
 it, I'd be grateful.
 
 
 I applied your patch. I noticed this message being repeated endlessly
 when clouds are activated :
 
 Warning: detected OpenGL error 'valeur non valide' after
 RenderBin::draw(,)
 
 I also noticed that even in the Thunderstorm scenario, the cloud
 coverage is very sparse. Maybe the message tells us it doesn't draw
 every cloud instance. In fair weather, I have no clouds ( my cloud
 density is set at 100% in the rendering options )
 

I've just applied he latest Sg patch on Win XP/msvc9; builds without error.
I still get: 

Warning: detected OpenGL error 'invalid value' after RenderBin::draw(,)
RenderStage::drawInner(,) FBO status= 0x8cd5


And I have yet to see any 3d clouds. Any clues on where I should be looking
(yes the box is checked :-))


Vivian 



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[Flightgear-devel] 3d-clouds- Texture updates

2008-11-24 Thread Heiko Schulz
Hi,

There is a lot of improvement left- some days ago I used for testing the 
cloudstextures from X-pLane, and they worked better.
So we just need better textures.

So I did my try and finished today the cl-cumulus textures, and added some 
first nimbustratus and stratos-textures.

-Well with the last one I'm not satisfied- and there is still the issue with 
the ugly borders.
But they only appear on near clouds- not on far distance clouds. Maybe a hint...

-I still need to shape the clouds- If I had knowledge about using Phython I 
would make a script for Blender

Here some pics:
http://www.flightgear.org/forums/download/file.php?id=379
http://www.flightgear.org/forums/download/file.php?id=378
http://www.flightgear.org/forums/download/file.php?id=377

I didn't use the latest snapshots with the improvements, but there should be 
not much change.

If someone want to play with it:
http://www.hoerbird.net/cloudset.zip

Comments negative/ positive and help are always welcome!


Cheers

HHS




  

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Re: [Flightgear-devel] 3d-clouds- Texture updates

2008-11-24 Thread Jon Stockill
Heiko Schulz wrote:

 -I still need to shape the clouds- If I had knowledge about using Phython I 
 would make a script for Blender

There's already a cloud generation script for blender (possibly more 
than one). A quick search found this one:

http://wiki.blender.org/index.php/Scripts/Manual/Wizards/Cloud_Generator

Maybe it could be modified to output the data we need.

Jon

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Re: [Flightgear-devel] Further 3D Clouds updates

2008-11-24 Thread Sébastien MARQUE
Hi,

just to say that the detected OpenGL error is not new for me and is 
here from much more than one year (always built from cvs sources), I 
also remember that about one year later someone said to use grep -v to 
avoid the ugly output on the terminal, which I currently do with a 
launch bash script from this time (I think it was on IRC channel).

best regards
seb.

Vivian Meazza wrote :
 Frederic Bouvier wrote
 

 I applied your patch. I noticed this message being repeated endlessly
 when clouds are activated :

 Warning: detected OpenGL error 'valeur non valide' after
 RenderBin::draw(,)

 I also noticed that even in the Thunderstorm scenario, the cloud
 coverage is very sparse. Maybe the message tells us it doesn't draw
 every cloud instance. In fair weather, I have no clouds ( my cloud
 density is set at 100% in the rendering options )

 
 I've just applied he latest Sg patch on Win XP/msvc9; builds without error.
 I still get: 
 
 Warning: detected OpenGL error 'invalid value' after RenderBin::draw(,)
 RenderStage::drawInner(,) FBO status= 0x8cd5
 
 
 And I have yet to see any 3d clouds. Any clues on where I should be looking
 (yes the box is checked :-))
 
 
 Vivian 
 
 
 
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Re: [Flightgear-devel] 3d-clouds- Texture updates

2008-11-24 Thread Heiko Schulz

 There's already a cloud generation script for blender
 (possibly more 
 than one). A quick search found this one:
 
 http://wiki.blender.org/index.php/Scripts/Manual/Wizards/Cloud_Generator
 
 Maybe it could be modified to output the data we need.
 
 Jon

Wow- impressive- that's how I wished our clouds will look!
I thought about creating boxes in blender which represent the boxes in 
cloudlayers.xml. Putting them together to the typical shapes of clouds will 
represent the orientation of the boxes on the layer.

nice find
Cheers
HHS


  

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Re: [Flightgear-devel] screenshots: legal status

2008-11-24 Thread francesco
Melchior FRANZ ha scritto:
 There could be no doubt about the legal status of the screenshots
 displayed on our webpage. If there's no explicit license, then they
 are automatically protected by national copyright law in countries
 which signed the Berne Convention. But we *want* that they be used
 in articles and reviews about FlightGear, so we have to give
 explicit permission for that.

 I've written down on a wiki page what should IMHO be made clear in
 .
   
I agree with what is written on that page, especially this part:
Screenshots should only show features that are actually available to the
public, not models that are private and can't be distributed due to a
non-GPL-compatible, restrictive license etc. 

But I think that it would be much easier to impose a particular creative
common license from these:
http://creativecommons.org/about/licenses/meet-the-licenses (I think
that  by-nd should be reasonable good)

or even using one of these:
http://commons.wikimedia.org/wiki/Special:Upload  (You must be logged in
to reach this page).


-- 
Brisa Francesco
Via Gabelli 16
22077 Olgiate Comasco (CO)

http://brisa.homelinux.net
[EMAIL PROTECTED]

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   / /_/ / /___   /_/  / /___/ /_/ / / / / / / /_/ /
   \/_/\/\/_/ /_/ /_/\/

http://www.gl-como.it

My public gpg key:
http://minsky.surfnet.nl:11371/pks/lookup?op=getsearch=0xC67DC12DC4361693


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[Flightgear-devel] dramatic drop in frame rate with either osg from svn or osg-2.7.5

2008-11-24 Thread dave perry
Hi all,

Over the weekend, I compiled osg from svn update, SimGear from cvs 
update, and FlightGear source from cvs update.  My frame rate is now 
less than 10 fps and it was a solid 31 fps with 
--prop:/sim/frame-rate-throttle-hz=30 and 50 to 70 fps w/o the 
frame-rate-throttle.  The before compile was for both fgfs and SimGear 
from cvs a week ago, but osg from svn at least a month old.  I also 
tried recompiling against osg-2.7.5 and got similar low fps.

The reason I updated osg from svn was to avoid the Z-near problem.  I 
do have boost-1.34.1-15.fc9.i386 installed.  Are others seeing a 
dramatic fps drop with recent updates or did I miss something required 
for the recent updates?

- Dave P.


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Re: [Flightgear-devel] dramatic drop in frame rate with either osg from svn or osg-2.7.5

2008-11-24 Thread Csaba Halász
On Tue, Nov 25, 2008 at 1:10 AM, dave perry [EMAIL PROTECTED] wrote:

 less than 10 fps and it was a solid 31 fps with
 --prop:/sim/frame-rate-throttle-hz=30 and 50 to 70 fps w/o the
 frame-rate-throttle.  The before compile was for both fgfs and SimGear
 from cvs a week ago, but osg from svn at least a month old.  I also
 tried recompiling against osg-2.7.5 and got similar low fps.

Yeah, I thought I was seeing similar effect here. But then I have
compiled an older revision of fg and that turned out to be even
slower! I have not tried to downgrade osg, though.

-- 
Csaba/Jester

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Re: [Flightgear-devel] dramatic drop in frame rate with either osg from svn or osg-2.7.5

2008-11-24 Thread dave perry
dave perry wrote:
 Hi all,

 Over the weekend, I compiled osg from svn update, SimGear from cvs 
 update, and FlightGear source from cvs update.  My frame rate is now 
 less than 10 fps and it was a solid 31 fps with 
 --prop:/sim/frame-rate-throttle-hz=30 and 50 to 70 fps w/o the 
 frame-rate-throttle.  
Never mind. Problem went away when I opened the NVIDIA X Server Settings 
and then closed it w/o changing any settings.

- Dave P.

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Re: [Flightgear-devel] screenshots: legal status

2008-11-24 Thread gerard robin
On mardi 25 novembre 2008, francesco wrote:
 Melchior FRANZ ha scritto:
  There could be no doubt about the legal status of the screenshots
  displayed on our webpage. If there's no explicit license, then they
  are automatically protected by national copyright law in countries
  which signed the Berne Convention. But we *want* that they be used
  in articles and reviews about FlightGear, so we have to give
  explicit permission for that.
 
  I've written down on a wiki page what should IMHO be made clear in
  .

 I agree with what is written on that page, especially this part:
 Screenshots should only show features that are actually available to the
 public, not models that are private and can't be distributed due to a
 non-GPL-compatible, restrictive license etc.


Yes if we are not restrictive to the FlightGear CVS distribution only, some 
models,  could be out of CVS  and however  GPL compatible, and FlightGear 
compatible.


 But I think that it would be much easier to impose a particular creative
 common license from these:
 http://creativecommons.org/about/licenses/meet-the-licenses (I think
 that  by-nd should be reasonable good)

Not sure that the common Licenses, must be imposed, any Artist could choose 
his preferred license. 

 or even using one of these:
 http://commons.wikimedia.org/wiki/Special:Upload  (You must be logged in
 to reach this page).

Cheers


-- 
Gérard
http://pagesperso-orange.fr/GRTux/

J'ai décidé d'être heureux parce que c'est bon pour la santé. 
Voltaire


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Re: [Flightgear-devel] screenshots: legal status

2008-11-24 Thread Matthew Tippett
I would suggest *NOT* making flightgear responsible for managing the
licenses on the images in the gallery. I would suggest however that
there be a requirement for the uploader to explicitly state the
license that they want.

It is a quagmire if you start placing restrictions beyond the standard
Creative Commons clauses.  Share-alike, deriviatives, commercial
use...  Each has their advantages and disadvantages, and enhances and
diminishes the creator of the works rights.

Consequently each person needs to make their own decisions about what
they want their images are distributed under.  I agree with Gerard's
comment that each there should be a default that is implicitly applied
if the uploader makes no other assertion.

Regards... Matthew


On 11/24/08, Melchior FRANZ [EMAIL PROTECTED] wrote:
 There could be no doubt about the legal status of the screenshots
 displayed on our webpage. If there's no explicit license, then they
 are automatically protected by national copyright law in countries
 which signed the Berne Convention. But we *want* that they be used
 in articles and reviews about FlightGear, so we have to give
 explicit permission for that.

 I've written down on a wiki page what should IMHO be made clear in
 the future:

 - conditions for screenshot submitters, to which they have to agree
 - license terms on the screenshot page on flightgear.org, which
   explain how the screenshots may be used

 Consider that English isn't my first language, and that IANAL:
 http://wiki.flightgear.org/index.php/Submitting_Screenshots

 Please comment and demand changes that you consider important.
 If we can come to a result that everyone can live with, then I'd
 like to let it be reviewed by the Free Software Foundation Europe.
 (Shane Martin Coughlan was so friendly to offer his help. :-)

 m.

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Re: [Flightgear-devel] screenshots: legal status

2008-11-24 Thread Melchior FRANZ
* Matthew Tippett -- Tuesday 25 November 2008:
 I would suggest *NOT* making flightgear responsible for managing the
 licenses on the images in the gallery.

But that's exactly what you suggest: that everyone chooses his
favorite license, and the project therefore has to manage all that
and keep track of the load of licences. That's a lof of work with
no gain. Simplicity rules. Yes, better just one license. And that's
what the suggestion on the wiki was for.

m.

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Re: [Flightgear-devel] Fwd: Astrasim Expo Flight Simulation Shows 2009

2008-11-24 Thread Tatsuhiro Nishioka
On Nov 25, 2008, at 7:16 AM, James Turner [EMAIL PROTECTED] wrote:

 (Seriously, thanks to Tat's projects and some screaming at Xcode I can
 run CVS reliably now, and I'm very pleased with the advances compared
 to 1.0, especially with Stuart's clouds and the improved reflections)


My pleasure, and I'm very pleased that you finally built flightgear on  
your Mac Pro.

Are there any changes in compiler/linker options?
I wanna hear these if any.

I also look forward to have a report of the show, including your  
running FG 2.0? on your powerful Mac Pro.
A bit too early wish though ;-)

Anyway, thanks to many mac users/developers including you, it is  
confirmed that FG/cvs runs on most of intel Macs on both OS X 10.4 and  
10.5. Now I can confidently go prepare for the next release.

Best,

Tat

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Re: [Flightgear-devel] screenshots: legal status

2008-11-24 Thread Ron Jensen
IANAL,

I have to agree with Melchior.  The project should insist on a single
license for the screenshots.

I also agree with the basic aims of the suggested wiki license and offer
the following suggestions:

*** First ***
The bullet:
- The creator grants the FlightGear project a revokable and
  non-exclusive copyright, which permits the project:

Should read:
- The creator grants the FlightGear project a non-revocable, perpetual
  and non-exclusive copyright license, which permits the project:

The submitter should not be able revoke the copyright license once
granted.  This is the same concept as the GPL.  The project should not
have to track down and destroy all copies of an image if a submitter
becomes disgruntled.  Once an image is shared under this license grant
is should stay shared.

*** Second ***
  1. to use the screenshot in documentation and promotion of the
 FlightGear simulator, including the display on the FlightGear
 website and all authorized mirrors (including mirrors which are
 translated to other languages and may include additional services
 like forums),

I suggest we either drop the word authorized from mirrors, or provide
an expansive definition of the word authorized to make it an op-out
authorization instead of an opt-in.  That is, all mirrors are authorized
unless explicitly unauthorized.

Thanks, 
Ron

On Mon, 2008-11-24 at 21:02 -0500, Matthew Tippett wrote:
 I am suggesting nothing more complex than a requirement for the
 description to include a license.  No license information - no upload.
  Forcing a single license for something that is individual and clearly
 divisble is way too coarse.
 
 There should be no maintenance of the flightgear project's side.  The
 issue with a catch-all license is that for someone to do what they
 want means they need to create an explict exclusion.
 
 Please ensure that you have worked through a few scenarios, the
 project effort to relicense after a mass-licensing is way higher than
 requesting all users determine what license they want - leaving the
 remainder to be relicensed if and only if they want to give it up all
 rights to the project.
 
 Regards... Matthew
 
 
 On 11/24/08, Melchior FRANZ [EMAIL PROTECTED] wrote:
  * Matthew Tippett -- Tuesday 25 November 2008:
  I would suggest *NOT* making flightgear responsible for managing the
  licenses on the images in the gallery.
 
  But that's exactly what you suggest: that everyone chooses his
  favorite license, and the project therefore has to manage all that
  and keep track of the load of licences. That's a lof of work with
  no gain. Simplicity rules. Yes, better just one license. And that's
  what the suggestion on the wiki was for.
 
  m.



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Re: [Flightgear-devel] screenshots: legal status

2008-11-24 Thread Matthew Tippett
Some potential pitfalls.  Who 'is' the flightgear project?  Is it the
leadership?  Is it everyone by consensus?  What if the project splits?
 What if you as an individual does not agree with the project
leadership?  You have lost your rights.

Taking the case of flight sim pro as an example.  By saying that 'the
great simulator is built from flight gear' (which it does) - then
although peope have been up in arms, the flight sim pro guys fulfil
the requirement of promoting flight gear hence have access to all of
the images on flight gear.  Again, as a user you have given up rights
and enshrined a subjective phrase in the triggers to permit use.

To block the use of the images, you have then add 'explicit
permission', then who gives explicit permission?  What about if
someone creates a fully compliant fork?  Does the project licenses
fork as well?  Since there is no 'legal entity' called flightgear,
what 'owns' the license and copyright?  Flightsimpro is just a fork of
flightgear by the GPL (with no value add at this stage), so where does
that sit (considering it triggered the discussion).

There are many rights you gain and lose with licensing.

Occam's Razor applies.  Keep it simple, keep it aligned to legal
entities.  Images are (more or less) indivisible, keep the license in
the of the creator.  Code is intermixed and an aggregate of many
creators - use a common license.

It is a *very* slippery slope that you have to go down to close all
the loopholes.  If any on the list have been through license
negotations, the ones that are costly and mostly leave you unsatisfied
are the ones with caveats and try to prevent an explicit past event.

Nuff said from here, hope you guys make the right decision now, but
also that decision still makes sense in another 12 months when there
is a different pressure placed on the decison.

Regards... Matthew


On 11/24/08, Ron Jensen [EMAIL PROTECTED] wrote:
 IANAL,

 I have to agree with Melchior.  The project should insist on a single
 license for the screenshots.

 I also agree with the basic aims of the suggested wiki license and offer
 the following suggestions:

 *** First ***
 The bullet:
 - The creator grants the FlightGear project a revokable and
   non-exclusive copyright, which permits the project:

 Should read:
 - The creator grants the FlightGear project a non-revocable, perpetual
   and non-exclusive copyright license, which permits the project:

 The submitter should not be able revoke the copyright license once
 granted.  This is the same concept as the GPL.  The project should not
 have to track down and destroy all copies of an image if a submitter
 becomes disgruntled.  Once an image is shared under this license grant
 is should stay shared.

 *** Second ***
   1. to use the screenshot in documentation and promotion of the
  FlightGear simulator, including the display on the FlightGear
  website and all authorized mirrors (including mirrors which are
  translated to other languages and may include additional services
  like forums),

 I suggest we either drop the word authorized from mirrors, or provide
 an expansive definition of the word authorized to make it an op-out
 authorization instead of an opt-in.  That is, all mirrors are authorized
 unless explicitly unauthorized.

 Thanks,
 Ron

 On Mon, 2008-11-24 at 21:02 -0500, Matthew Tippett wrote:
 I am suggesting nothing more complex than a requirement for the
 description to include a license.  No license information - no upload.
  Forcing a single license for something that is individual and clearly
 divisble is way too coarse.

 There should be no maintenance of the flightgear project's side.  The
 issue with a catch-all license is that for someone to do what they
 want means they need to create an explict exclusion.

 Please ensure that you have worked through a few scenarios, the
 project effort to relicense after a mass-licensing is way higher than
 requesting all users determine what license they want - leaving the
 remainder to be relicensed if and only if they want to give it up all
 rights to the project.

 Regards... Matthew


 On 11/24/08, Melchior FRANZ [EMAIL PROTECTED] wrote:
  * Matthew Tippett -- Tuesday 25 November 2008:
  I would suggest *NOT* making flightgear responsible for managing the
  licenses on the images in the gallery.
 
  But that's exactly what you suggest: that everyone chooses his
  favorite license, and the project therefore has to manage all that
  and keep track of the load of licences. That's a lof of work with
  no gain. Simplicity rules. Yes, better just one license. And that's
  what the suggestion on the wiki was for.
 
  m.



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Re: [Flightgear-devel] screenshots: legal status

2008-11-24 Thread Melchior FRANZ
* Ron Jensen -- Tuesday 25 November 2008:
 I have to agree with Melchior.  The project should insist
 on a single license for the screenshots.

The problem with multiple, submitter-chosen licenses it:
- you have to archive and understand all the licenses, and
- you have to note which screenshot is under which license
- you can (realistically) do *nothing* if someone infringes

What are you going to do?! Write a sternly worded email like
You have infringed on the copyright of 17 of our screenshots,
namely the one with the ec135 with the container ship in the
backgroup, the one [...]. You don't have permission to scale
the one with the Concorde. You don't have permission to display
the one with the Buccaneer in front of the hangar on Mondays,
Wednesdays and Fridays. [...] You can keep the one with the
banked A-10 in front of the Nimitz, as it's Public Doman.
A heck of a takedown notice! Guess what they'll do?! Remove
the two ugliest screenshots and ask, is it OK now? This
will then be a longer thread, and in the end we'll look like
total fools and haven't achieved anything.  :-P



 - The creator grants the FlightGear project a revokable and
   non-exclusive copyright, which permits the project:
 
 Should read:
 - The creator grants the FlightGear project a non-revocable, perpetual
   and non-exclusive copyright license, which permits the project:

Hmm. This wasn't an accident. The code is under the GPL, and this
guarantees that it remains free. But there's no such protection
for the screenshots. What if Curt has to give up leadership
for some reason, someone else takes over and slowly transforms
the webpage into a very questionable direction. (Pink ponies
everywhere. With swastikas. ;-) Then contributors can bail out.
And if someone asks for removal without good reason? We even
(cvs-)removed a whole, very well done (GPL'ed) aircraft because
the author asked for it, even if we had no obligation to do so.
How much hurts us the loss of a screenshot in comparison? I had
thought that we can be generous here. It's a cheap gift.  :-)



 The project should not have to track down and destroy all
 copies of an image if a submitter becomes disgruntled.

Hmm, true. A submitter would have to agree to the submitter
license *and* to the copyright notice anyway, and the latter
says that anyone can use the shots for FlightGear promotion
(under some conditions). So the whole mirror clause isn't
necessary, and there's no need (and no possibility) to track
all copies down. S/he could only revoke further display and
distribution of the screenshots by flightgear.org.



 I suggest we either drop the word authorized from mirrors, [...]

Agreed. Or, as said above, better drop the whole mirror thing
and just add: the creator allows the FlightGear project to
grant everyone these rights: [...]

I'll edit the wiki page so that you can see what I mean.

m.

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