Custom scenery integration (was: Re: [Flightgear-devel] Re: [Terragear-devel])

2005-07-03 Thread Ralf Gerlich

Hello,

Martin Spott schrieb:
 [SNIP]

Actually, I _do_ agree that having preprocessed scenery
_is_ an advantage. But it does have disadvantages as well:
1.) At the current state it appears (to me) nearly impossible to inject
user-contributed additions into the scenery,
2.) I don't manage to build the necessary tools on my server   ;-))


Share your problems with us, perhaps we can help ;-)


Maybe the way to go might be to make it easier for everyone to build
the tools (and to simplify the process of scenery generation) and to
add his personal scenery improvements using common open GIS file
formats but keep the preprocessed scenery as we are already used to it.


I'm currently working on some more detailed scenery data for the region 
around Lake of Constance, Southern Germany, and I still have to check on 
some legal issues, but I'd love to share my experience on that with you 
as soon as I get some more time (been quite busy in the last few months).


I'm using GRASS (http://grass.itc.it) for digitising and the preliminary 
results are quite interesting regarding better orientation - at least 
for a local ;-)


I had to write an additional tool to get linedata imported from GRASS to 
TerraGear, but actually with all the support libraries available this is 
far from complex :-)


Most of the exporting and scenery generation tasks is automated using 
scripts and a single configuration file.


When the legal issues are resolved, I might be able to share the 
digitised data with the community and perhaps we could start a 
discussion on how the integration of such data into the standard scenery 
data can be organised and automated - for Curt's convenience ;-)


Oh, and not to forget: FlightGear is an astonishing piece of software! 
In the meantime it has totally replaced my commercial flight simulation 
software (don't make me say names ;-), making it possible for me to 
actually drop Windoze :-) Thank you to all who contributed!


Regards,
Ralf

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RE: Custom scenery integration (was: Re: [Flightgear-devel] Re:[Terragear-devel])

2005-07-03 Thread Norman Vine
Ralf Gerlich writes:
 
 Hello,
 
 Martin Spott schrieb:
   [SNIP]
  Actually, I _do_ agree that having preprocessed scenery
  _is_ an advantage. But it does have disadvantages as well:
  1.) At the current state it appears (to me) nearly impossible to inject
  user-contributed additions into the scenery,
  2.) I don't manage to build the necessary tools on my server   ;-))
 
 Share your problems with us, perhaps we can help ;-)
 
  Maybe the way to go might be to make it easier for everyone to build
  the tools (and to simplify the process of scenery generation) and to
  add his personal scenery improvements using common open GIS file
  formats but keep the preprocessed scenery as we are already used to it.
 
 I'm currently working on some more detailed scenery data 
 
 I'm using GRASS (http://grass.itc.it) for digitising and the preliminary 
 results are quite interesting regarding better orientation - at least 
 for a local ;-)
 
 I had to write an additional tool to get linedata imported from GRASS to 
 TerraGear, but actually with all the support libraries available this is 
 far from complex :-)
 
 Most of the exporting and scenery generation tasks is automated using 
 scripts and a single configuration file.

This sounds great,  Grass is a powerful tool. 

IMO the most useful approach would be modifying TerraGear to use 
PostGIS instead of the File System.  Then one could use tools like
Grass and UDig directlly on the data stream.  For that matter it would
be interesting to investigate using PostGIS to store the FGFS Scenery
directly.  

Hmm this is starting to sound a lot like something that osgPlanet could
render too :-)

Cheers

Norman



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