Re: [Flightgear-devel] 0.9.9 scenery?

2005-11-12 Thread Martin Spott
Martin Spott wrote:

   ftp://ftp.ihg.uni-duisburg.de/FlightGear/Devel/BaseObjects.tgz

O.k., there is a new file, please check it out - and put it into the
base package if you think it is correct  :-)

Martin.
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Re: [Flightgear-devel] 0.9.9 scenery?

2005-11-12 Thread Martin Spott
Martin Spott wrote:

   ftp://ftp.ihg.uni-duisburg.de/FlightGear/Devel/BaseObjects.tgz

Acccording to my tests this package is indeed ready for inclusion,

Martin.
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Re: [Flightgear-devel] 0.9.9 scenery?

2005-11-11 Thread Curtis L. Olson

Steve Hosgood wrote:


The main fgfs website only lists scenery for 0.9.8

Is world scenery for 0.9.9 waiting for a stable, offical 0.9.9 release
first?
 



There is a current world scenery rebuild in progress. We are currently 
hung up on a data processing glitch that is being worked on.  The 
scenery and the source release can and will happen independently.  
Rebuilding the world (and trying to fix bugs and improve the result at 
the same time) is a massive undertaking.  The new world will be based on 
SRTM v2 data supplimented with USGS DEM data to fill in the voids where 
possible, i.e. in the usa.  The grand canyon and rhode island will be 
much better. These places glitched out in SRTM and portions never got 
properly mapped.  I also did a complete overhaul of the airport surface 
generation scheme and tossed the old nurbs approach because the nurbs++ 
code is not maintained and is increasingly difficult to compile on 
modern systems.  We are now trying to process the shapefile conversion 
of the vmap data.  If we can crack this, then that opens the doors to 
future user fixes and contributions of land cover/land use data, lakes, 
rivers, roads, etc.


I've been posting very brief notes and updates on the scenery rebuild to 
my personal web page (along with a variety of other stuff that probably 
isn't of great concern to most people in FlightGear land.)


   http://www.flightgear.org/~curt/

Curt.

--
Curtis Olsonhttp://www.flightgear.org/~curt
HumanFIRST Program  http://www.humanfirst.umn.edu/
FlightGear Project  http://www.flightgear.org
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Re: [Flightgear-devel] 0.9.9 scenery?

2005-11-11 Thread Martin Spott
Curtis L. Olson wrote:

 There is a current world scenery rebuild in progress. We are currently 
 hung up on a data processing glitch that is being worked on.  The 
 scenery and the source release can and will happen independently.  
 Rebuilding the world (and trying to fix bugs and improve the result at 
 the same time) is a massive undertaking.  The new world will be based on 
[... data source ...]

 and hopefully on the scenery objects that are stored in Jon's and
my FlightGear Scenery Objects Database located at:

  http://fgfsdb.stockill.org/

I just finished removing the remaining duplicates at San Francisco
downtown - at least I think I did so. Tomorrow, when the next export is
done, will prove if I did it right  :-)
I hope that I'll find the time this weekend to have a further check if
I still forgot some,

Martin.
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Re: [Flightgear-devel] 0.9.9 scenery?

2005-11-11 Thread Steve Hosgood
On Fri, 2005-11-11 at 15:14, Curtis L. Olson wrote:
 There is a current world scenery rebuild in progress. We are currently 
 hung up on a data processing glitch that is being worked on.  The 
 scenery and the source release can and will happen independently.

I'll just wait then.
Thanks
Steve


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Re: [Flightgear-devel] 0.9.9 scenery?

2005-11-11 Thread Paul Surgeon
On Friday 11 November 2005 17:14, Curtis L. Olson wrote:
 The new world will be based on
 SRTM v2 data supplimented with USGS DEM data to fill in the voids where
 possible, i.e. in the usa.  The grand canyon and rhode island will be
 much better. These places glitched out in SRTM and portions never got
 properly mapped.

There is 100% void free SRTM data here : http://srtm.csi.cgiar.org/

Paul

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Re: [Flightgear-devel] 0.9.9 scenery?

2005-11-11 Thread Curtis L. Olson

Paul Surgeon wrote:


There is 100% void free SRTM data here : http://srtm.csi.cgiar.org/

 



As best as I can see from their site, they just interpolated through the 
voids.  That generally works fine and is pretty much what we did for the 
current scenery, but when you are missing big chunks of things like the 
grand canyon or tops of moutains, then what?  For the USA where we have 
an alternative data source, I filled in the voids from that data which 
is good for things like the grand canyon and rhode island that are 
missing huge chunk.  It might bite me elsewhere, but I hope not too 
much.  Outside the USA our algorithm still just interpolates through the 
holes.


Regards,

Curt.

--
Curtis Olsonhttp://www.flightgear.org/~curt
HumanFIRST Program  http://www.humanfirst.umn.edu/
FlightGear Project  http://www.flightgear.org
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Re: [Flightgear-devel] 0.9.9 scenery?

2005-11-11 Thread Martin Spott
Martin Spott wrote:

 I just finished removing the remaining duplicates at San Francisco
 downtown - at least I think I did so. Tomorrow, when the next export is
 done, will prove if I did it right  :-)

Jon kindly triggered a fresh export and I took the freedom to place the
current set of base package objects on my FTP server. Unfortunately my
FlightGear test machine refuses to run FlightGear this afternoon (it
simply crashes after two minutes) so I'm unable to test this myself
today. Please feel free to fetch the package from here:

  ftp://ftp.ihg.uni-duisburg.de/FlightGear/Devel/BaseObjects.tgz

Martin.
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Re: [Flightgear-devel] 0.9.9 scenery?

2005-11-11 Thread Martin Spott
Martin Spott wrote:

 Jon kindly triggered a fresh export and I took the freedom to place the
 current set of base package objects on my FTP server. Unfortunately my
 FlightGear test machine refuses to run FlightGear this afternoon (it
 simply crashes after two minutes) so I'm unable to test this myself
 today.

I just realized that most buildings in SFO downtown are missing now,
but I/we will manage to fix that soon. At least I made sure the
duplicates are gone  :-)

Martin.
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Re: [Flightgear-devel] 0.9.9 scenery?

2005-11-11 Thread Oliver C.
On Friday 11 November 2005 18:40, Curtis L. Olson wrote:

 As best as I can see from their site, they just interpolated through the
 voids.  That generally works fine and is pretty much what we did for the
 current scenery, but when you are missing big chunks of things like the
 grand canyon or tops of moutains, then what?  For the USA where we have
 an alternative data source, I filled in the voids from that data which
 is good for things like the grand canyon and rhode island that are
 missing huge chunk.

Isn't SRTM data version 2 allready corrected manually?

That's what i thought, when i heard sth. about SRTM v2.

Best Regards,
 Oliver C.
  

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Re: [Flightgear-devel] 0.9.9 scenery?

2005-11-11 Thread Paul Surgeon
On Friday 11 November 2005 22:27, Oliver C. wrote:
 Isn't SRTM data version 2 allready corrected manually?

 That's what i thought, when i heard sth. about SRTM v2.

 Best Regards,
  Oliver C.

Well yes SRTM version 2 has had some corrections made to it including 
flattening the areas covered by water but it's still FULL of voids.

For some other flight sim scenery I use SRTM version 2 and fall back to the 
CGIAR when voids are encountered. So far so good.
Of course the USA has complete coverage in NED1 (30m) which should rather be 
used in my opinion. 90 meter DEMs are pretty coarse.

Regards
Paul

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Re: [Flightgear-devel] 0.9.9 scenery?

2005-11-11 Thread Curtis L. Olson

Oliver C. wrote:


On Friday 11 November 2005 18:40, Curtis L. Olson wrote:

 


As best as I can see from their site, they just interpolated through the
voids.  That generally works fine and is pretty much what we did for the
current scenery, but when you are missing big chunks of things like the
grand canyon or tops of moutains, then what?  For the USA where we have
an alternative data source, I filled in the voids from that data which
is good for things like the grand canyon and rhode island that are
missing huge chunk.
   



Isn't SRTM data version 2 allready corrected manually?

That's what i thought, when i heard sth. about SRTM v2.
 



SRTM still has all the voids as far as I know.  They've done other 
corrections, but not void filling (as far as I know.)  I can vouch for 
the fact that it still does have a lot of voids, although I can't say 
for sure if it's all the same ones or fewer or more.


Curt.

--
Curtis Olsonhttp://www.flightgear.org/~curt
HumanFIRST Program  http://www.humanfirst.umn.edu/
FlightGear Project  http://www.flightgear.org
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