FlightGear Newsletter May 2013: Difference between revisions

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== Development news ==
== Development news ==
Note to all contributors: Please also copy your newsletter additions to the changelog for the upcoming release: [[Next Changelog]].
=== Release preparations ===
=== Release preparations ===
Following the [[release plan]], the FlightGear repositories will close for major changes on June 17. In this "frozen" state, no new features or major changes shall be pushed onto the development streams (neither source nor data). This period is for preparing the code for the release and make sure there are no major issues. It lasts for four weeks until creation of the release branches on July 17.
Following the [[release plan]], the FlightGear repositories will close for major changes on June 17. In this "frozen" state, no new features or major changes shall be pushed onto the development streams (neither source nor data). This period is for preparing the code for the release and make sure there are no major issues. It lasts for four weeks until creation of the release branches on July 17.
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=== Aircraft Checklists ===
=== Aircraft Checklists ===
Stuart has pushed a further enhancement to the checklist feature. Aircraft authors may now add one or more <binding> elements to a checklist
{{Main article|Aircraft Checklists}}
<item>. Conceptually, these are the actions that the user should execute to complete the item. The checklist GUI displays items with such <binding>
Stuart has pushed a further enhancement to the [[Aircraft checklists|checklist feature]]. Aircraft authors may now add one or more [[Bindings|<binding>]] elements to a checklist <item>. Conceptually, these are the actions that the user should execute to complete the item. The checklist GUI displays items with such <binding> elements with an additional [>] button. Clicking on the button executes the bindings, allowing the user to watch as the computer/co-pilot/instructor executes the checklist item. Due to the power of Nasal and properties, this feature only required 13 lines of code to write, most of which is displaying the button!
elements with an additional [>] button. Clicking on the button executes the bindings, allowing the user to watch as the
computer/co-pilot/instructor executes the checklist item.
 
The <binding> element is exactly as you would expect - so property-assign, nasal etc. works.
 
Due to the power of Nasal and properties, this feature only required 13 lines of code to write, most of which is displaying the button!
 
Stuart is planning to extend this function so that checklists with one or more items containing a <binding> element can have an (optional) button
to execute the entire checklist.  I'm still thinking of how best to implement this, as I think one would want a gap between each item.
 
Stuart highlights the property-interpolate command which provides a very convenient way to interpolate a property to a new value.  See
Docs/README.commands if you were unaware of this.


Stuart has updated the c172p checklists to use this feature, including some rather cute interpolations of the throttle, mixture and trim controls.
The <binding> element is exactly as you would expect - so property-assign, nasal etc. works. It's a good moment to highlight the property-interpolate command which provides a very convenient way to interpolate a property to a new value.  See <tt>[[$FG_ROOT]]/Docs/README.commands</tt> if you were unaware of this.


The [[Cessna 172P]] has been updated to use this feature, including some rather cute interpolations of the throttle, mixture and trim controls.


Learn more at [[Aircraft Checklists]]...
Stuart is planning to extend this function so that checklists with one or more items containing a <binding> element can have an (optional) button to execute the entire checklist.  


=== Transponder ===
=== Transponder ===
{{Main article|Transponder}}
Clement (with some help from Vivian and large contribution from James) has overhauled the [[Transponder|transponder]] instrument, making it easier to use from panels, supporting Mode-S altitude encoding, and sending the important properties over multi-player. This will allow more realistic ATC interactions, since id (squawk) codes now matter!


Clement (with some help from Vivian and large contribution from James) has overhauled the [[Transponder|transponder]] instrument, making it easier to use from panels, supporting Mode-S altitude encoding, and sending the important properties over multi-player. This will allow more realistic ATC interactions, since id (squawk) codes now matter! See [[Transponder|this wiki page]] for more information on installing / updating the transponder installation in aircraft. The common panel-mounted KT-70 instrument will also be getting an overhaul to use the updated C++ code in the next few days.
See [[Transponder|this wiki page]] for more information on installing / updating the transponder installation in aircraft. The common panel-mounted KT-70 instrument has gotten an overhaul to use the updated C++ code. You can adjust the transponder settings for any aircraft via the Equipment > Radio Settings dialog.
 
You can access to transponder setting via the radio settings dialog ( Equipment > Radio settings (F12) )


[[OpenRadar|OpenRadar]] has been updated in order to manage the new transponder code.
[[OpenRadar|OpenRadar]] has been updated in order to manage the new transponder code.
=== Random Buildings ===
<!-- These are currently just a bunch of placeholders for the latest projects (as of 08/2012)  -->


=== Project Rembrandt ===
=== Project Rembrandt ===
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=== Tutorial: Porting custom PUI widgets to Canvas ===
=== Tutorial: Porting custom PUI widgets to Canvas ===
[[File:Nasal-console-with-canvas-loglist-widget-prototype.png|thumb|canvas based loglist widget]]
[[File:Nasal-console-with-canvas-loglist-widget-prototype.png|thumb|canvas based loglist widget]]
The shortcomings of our old PUI-based GUI have been repeatedly brought up on the mailing list over the years.


The shortcomings of our old PUI-based GUI have been repeatedly brought up on the devel list over the years.
In order to eventually phase out PUI completely, we need to stop adding PUI dependencies to the source tree. We now have the Canvas system, and there's a formal decision to modernize the GUI using the Canvas, and completely replace PUI sooner rather than later.
 
In order to eventually phase out PUI completely, we need to stop adding PUI dependencies to the source tree. We now have the Canvas system, and there’s a formal decision to modernize the GUI using the Canvas, and completely replace PUI sooner rather than later.


It was a lot of work to get rid of hard-coded PUI dialogs, and we still have a bunch of hard-coded PUI widgets – as long as we have those, getting totally rid of PUI will be increasingly difficult, because each hard-coded widget will either need to be phased out or manually ported.
It was a lot of work to get rid of hard-coded PUI dialogs, and we still have a bunch of hard-coded PUI widgets – as long as we have those, getting totally rid of PUI will be increasingly difficult, because each hard-coded widget will either need to be phased out or manually ported.
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If you have been wanting to play around with the new [[Canvas]] system, make sure to check out the [[Howto:Adding a canvas to a GUI dialog]] tutorial, which demonstrates how to easily add a canvas rendering region to a conventional FlightGear dialog. Using the combination of Nasal scripting, standard FlightGear GUI dialogs and embedded canvas regions for 2D rendering, you can even create standalone "FlightGear applications" in the form of self-contained FlightGear XML dialogs that you can easily share with fellow FlightGear users.  
If you have been wanting to play around with the new [[Canvas]] system, make sure to check out the [[Howto:Adding a canvas to a GUI dialog]] tutorial, which demonstrates how to easily add a canvas rendering region to a conventional FlightGear dialog. Using the combination of Nasal scripting, standard FlightGear GUI dialogs and embedded canvas regions for 2D rendering, you can even create standalone "FlightGear applications" in the form of self-contained FlightGear XML dialogs that you can easily share with fellow FlightGear users.  


This can for example be used to create a plotting application like FGPlot, which would look to FlightGear like a conventional dialog.  
This can for example be used to create a plotting application like FGPlot (see below), which would look to FlightGear like a conventional dialog.  
[[File:Fgplot-canvas.png|thumb|Stub]]


=== FGPlot ===
=== FGPlot ===
kuifje09 has started a little Linux project creating a plotter program for use with creating/tuning the autopilot in flightgear. kuifje09 provides a download which can be found at sourceforge. kuijfe09 already added some updates, removing bugs and adding new features (version 03b), see [[FGPlot]].
[[File:Fgplot-canvas.png|thumb|FGPlot]]
 
kuifje09 has started a little Linux project creating a plotter program for use with creating/tuning the autopilot in FlightGear. See [[FGPlot]] for more infomration and a download link.
=== High Level Architecture ===
=== FlightGear an Android ===
 
=== Usability Improvements ===
 
=== Mailing list digest ===
 
(by far the easiest option to populate the newsletter with contents is copying/pasting stuff from the forum and the mailing list or the git logs)
 
=== Forum digest ===
 
=== Git digest ===


=== Getting involved as a programmer ===
=== Getting involved as a programmer ===
Unfortunately, most of the active FG developers are currently very overstretched in terms of the areas that they have ownership of, which is affecting how much can actually be done. Fundamentally we need more core devs.
Unfortunately, most of the active FG developers are currently very overstretched in terms of the areas that they have ownership of, which is affecting how much can actually be done. Fundamentally we need more core devs.


If you are interested in contributing as a core developer, please see [[Howto:Start core development]].
If you are interested in contributing as a core developer, please see [[Howto:Start core development]].


== Release ChangeLog ==
== International FlightGear websites ==
This section lists changes committed this month that will be available in the next release, these will be copied to the release changelog shortly before a release (for each month), so that we hopefully get a comprehensive list of new features.
 
== Interview with a contributor (NAME) ==
''In each edition we have an interview with a contributor. Suggestions for possible questions are available on [[interview questions]], you are invited to come up with new questions and interview ideas obviously! Anyone is free to write an interview (with him-/herself or others) for next month's newsletter! If you'd like to help interview a contributor or get interviewed, please do consider adding yourself to the [[list of interview volunteers]]! To keep this going and less awkward, we are currently trying to come up with the convention that former interviewees become next month's interviewers.''
 
* How long have you been involved in FlightGear?
* What are your major interests in FlightGear?
* What project are you working on right now?
* What do you plan on doing in the future?
* Are you happy with the way the FlightGear project is going?
* What do you enjoy most about developing for FlightGear?
* Are there any "hidden features" you have worked on in FlightGear that new users may miss?
* What advice can you give to new developers who want to get started on their first aircraft/new feature/Nasal script?
 
More questions are being collected here: [[Interview questions]].
 
Stay tuned for next month's interview, featuring FlightGear contributor XXXXXXXX
 
== International FlightGear Official Sites ==
Enjoy the awesome international FlightGear community and experiment the dream to fly with the best Free Flight Simulation Software ever built. With more than 15 years of experience FlightGear has a wide user community, from professionals to normal users from all around the world. For sure you'll find good friends in this amazing virtual community.
Enjoy the awesome international FlightGear community and experiment the dream to fly with the best Free Flight Simulation Software ever built. With more than 15 years of experience FlightGear has a wide user community, from professionals to normal users from all around the world. For sure you'll find good friends in this amazing virtual community.


Please visit FlightGear websites in other languages:
Please visit FlightGear websites in other languages:
*[http://www.flightgear.org.cn/portal.php 中文]
*[http://www.flightgear.org.cn/portal.php 中文]
*[http://www.flightgear.org English]
*[http://www.flightgear.org English]
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|La FlightGear wiki todavía necesita ayuda para traducirla a varios lenguajes. Si estás interesado en hacer la FlightGear wiki multilingüe, entonces comienza en [[:es:Help:Traducir|Help:Traducir]].
|La FlightGear wiki todavía necesita ayuda para traducirla a varios lenguajes. Si estás interesado en hacer la FlightGear wiki multilingüe, entonces comienza en [[:es:Help:Traducir|Help:Traducir]].
|}
|}
== Nasal for newbies ==


== New software tools and projects ==
== New software tools and projects ==
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== FlightGear addons and mods ==
== FlightGear addons and mods ==


== In the hangar ==
=== New aircraft ===
=== Updated aircraft ===
=== Liveries ===


== Scenery corner ==
== Scenery corner ==
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=== Pittsburgh Development ===
=== Pittsburgh Development ===
Pittsburgh, Pennsylvania is one of the most iconic places in American history. Rick Ace has started modeling parts of city, and Pittsburgh International Airport. The Frick Building has almost been completed too. You can watch his progress in the [http://www.flightgear.org/forums/viewtopic.php?f=5&t=19994 flightgear forums].  
Pittsburgh, Pennsylvania is one of the most iconic places in American history. Rick Ace has started modeling parts of city, and Pittsburgh International Airport. The Frick Building has almost been completed too. You can watch his progress in the [http://www.flightgear.org/forums/viewtopic.php?f=5&t=19994 flightgear forums].  


== Aircraft of the month ==
== Airport of the month ==
== Screenshot of the month ==
== Suggested flights ==
== Aircraft reviews ==
== Wiki updates ==
===New articles===
<DynamicArticleList>
  type=new
  count=10
</DynamicArticleList>
===New aircraft articles===
<DynamicArticleList>
  type=new
  count=10
  categoryRoot=Aircraft
</DynamicArticleList>
===Most popular newsletters===
<DynamicArticleList>
  type=hot
  count=5
  categoryRoot=FlightGear Newsletter
</DynamicArticleList>
== Community news ==
== Community news ==
=== FlightGear on YouTube ===
=== New tutorials and screencasts ===
=== Forum news ===
=== Multiplayer ===
=== Virtual airlines ===
=== Virtual airlines ===
FlightGear Virtual Aviation Organization - www.flightgearvao.org - We are an organization that has multiplayer events, ATC service and training for both pilots and ATC alike! We are currently seeking staff members and pilots, so join today!
FlightGear Virtual Aviation Organization - www.flightgearvao.org - We are an organization that has multiplayer events, ATC service and training for both pilots and ATC alike! We are currently seeking staff members and pilots, so join today!
=== FlightGear events ===


=== Web tools for ATC sessions in Europe ===
=== Web tools for ATC sessions in Europe ===
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* Paris Orly Airport (LFPO) *
* Paris Orly Airport (LFPO) *


== Useful links ==
== And finally ... ==
== And finally ... ==
=== Contributing ===
=== Contributing ===
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* The [[FGFSPM]] (FlightGear Package Manager) is looking for a new maintainer.
* The [[FGFSPM]] (FlightGear Package Manager) is looking for a new maintainer.


=== Did you know ===
[[Category:FlightGear Newsletter]]
[[Category:Changes after 2.10]]
[[Category:Changes after 2.10]]
[[Category:FlightGear Newsletter|2013 05]]

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