[osg-users] osgSim::GeographicLocation

[Sebastian Messerschmidt]

Am 20.04.2016 um 10:05 schrieb Robert Osfield:
> Hi Sebastian,
>
> On 20 April 2016 at 08:17, Sebastian Messerschmidt 
> <sebastian.messerschmidt at gmx.de 
> <mailto:sebastian.messerschmidt at gmx.de>> wrote:
>
>     Openflight databases seem to use this user-data at the root node
>     to describe the geographic base coordinates of UTM-databases.
>     Unfortunately this class doesn't seem to have a serializer for the
>     osgXYZ file formats. What is the best way to add such
>     serialization capabilities?
>
>
> Been a very very long time since I heard mention of the 
> osgSim::GeoographicLocation class...  just been sitting there quietly 
> minding it's own business.
The issue right now is, that I somehow have to distribute the lat,lon 
origin in some OpenFlight centric workflow. I could totally do this 
differently by transforming the information into my own format.
>
> Looking at the implementation now the two parameters that need to be 
> serialized at the latitude and longitude paramters.  If these used the 
> setName()/getName() convention then it'd be easy to add serializers 
> using the standard ADD_DOUBLE_SERIALIZER( Name, 0.0); serializers (for 
> instance see the usage in src/osgWrappers/serializers/osg/ ).
>
> As these don't follow the setName/getName() one will either have to 
> write a custom serializer for it or simply change the naming across to 
> the setName()/getName() convention that the almost all of the OSG 
> uses.  I'd be inclined to do the later.  Then just add the 
> GeographicLocation serializers to the 
> src/osgWrappes/serializers/osgSim.  This would mean that the change 
> could only be add to OSG master and no backported to OSG-3.4 or 
> OSG-3.2 as the ABI would change, but personally I'd be happy with this.
I'll try to do this then and present the submission when I find the time.

Cheers
Sebastian
>
> Robert.
>
>
>
>
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