TerraSync: Difference between revisions

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To see the terrain below your [[aircraft]], you have to install the respective [[scenery]]. This can happen by downloading certain bits of scenery before flying as described in the article [[Howto: Install scenery|installing scenery]].  
To see the terrain below your [[aircraft]], you have to install the respective [[scenery]]. This can happen by downloading certain bits of scenery before flying as described in the article [[Howto: Install scenery|installing scenery]].  


Alternatively, if you have a steady and reasonably fast internet connection, you can use '''TerraSync'''. It is a utility that automatically downloads the newest version of the needed [[FlightGear]] scenery while the simulator is running. TerraSync runs in the background in a separate process, monitors your position, and downloads (or updates) the latest greatest scenery from the master scenery server "just in time".
Alternatively, if you have a steady and reasonably fast internet connection, you can use '''TerraSync'''. It is a utility that automatically downloads the newest version of the needed [[FlightGear]] scenery while the simulator is running. TerraSync runs in the background (optionally as a separate process), monitors your position, and downloads (or updates) the latest scenery from the master scenery server "just in time".


The master repository for TerraSync, i.e. the online resource from which TerraSync downloads its files, is synchronized with the [http://scenemodels.flightgear.org/ FlightGear Scenery Database] once a day. So when using TerraSync, you will always have  
The master repository for TerraSync, i.e. the online resource from which TerraSync downloads its files, is synchronized with the [http://scenemodels.flightgear.org/ FlightGear Scenery Database] once a day. So when using TerraSync, you will always have  
# the latest [[File Formats#.2A.stg|.stg-files]], which tell FlightGear where to place an object  
# the latest [[File Formats#.2A.stg|.stg-files]], which tell FlightGear where to place an object  
# the latest '''static''' models for objects. (Static models define unique objects that exist in one place only, such as famous buildings or landmarks.)  
# the latest '''static''' models for objects. (Static models define unique objects that exist in one place only, such as famous buildings or landmarks.)  
 
# the latest '''shared''' models for objects. (Generic models used more than once in different places, each can represent many different objects, like generic houses or ships)
As of March 2011, TerraSync also downloads '''shared''' models (generic models used more than once in different places, each can represent many different objects, like generic houses or ships), at least when it first runs. It does not, however, install the shared models, and until they are installed in the right place, you won't see any objects that are based on them. You will need to copy all the files from the Models directory inside your TerraSync directory to <code>[[$FG_ROOT]]/Models</code>, replacing the files that are already there. If for some reason you suspect your models are not up-to-date, you can also manually download the newest [http://scenemodels.flightgear.org/download/SharedModels.tgz '''shared''' models archive] from the [http://scenemodels.flightgear.org/ FlightGear Scenery Database]. Unpack it to <code>[[$FG_ROOT]]/Models</code>.
 
== Enabling TerraSync ==
It is recommended to use a separate scenery directory for TerraSync (i.e. do not run have it store its downloaded files in your main scenery directory) because network interruptions may upset the synchronization protocol and garble what is stored there. If/when that happens the easiest solution is to delete the affected subdirectory and let terrasync download it again (see [[Howto:_Animated_jetways#Usage]].
 
== Running TerraSync ==


=== FlightGear 2.99, 3.0 and later ===
=== FlightGear 2.99, 3.0 and later ===
Currently in Git, and as of the upcoming FlightGear 3.0 release, TerraSync has changed significantly. By default, TerraSync now downloads to a folder in the [[$FG_HOME]] directory when enabled with <code>--enable-terrasync</code> or through the checkbox on the last page of FGRun. Optionally a TerraSync directory can be assigned with <code>--terrasync-dir=</code> or through the <tt>Advanced > General</tt> dialog of FGRun. TerraSync will then download to that directory.
Currently in Git, and as of the upcoming FlightGear 3.0 release, TerraSync has changed significantly. By default, TerraSync now downloads to a folder in the [[$FG_HOME]] directory when enabled with <code>--enable-terrasync</code> or through the checkbox on the last page of FGRun. Optionally a TerraSync directory can be assigned with <code>--terrasync-dir=</code> or through the <tt>Advanced > General</tt> dialog of FGRun. TerraSync will then download to that directory. No other configuration is needed.


=== FlightGear 2.4 up to and including 2.12 ===
=== FlightGear 2.4 up to and including 2.12 ===
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