Re: problem generating scenery

Michael Pujos writes:
> I'm trying to build scenery but i'm having problem with elevation data :
> the generated terrain end up being wrong with huge polygons pointing
> toward the sky and trees in the sky :)

This sounds to me like something is completely hosed up in your
terrain data ... i.e. a byte order problem or something????

> I'm not too much interested in the detail of the terrain or vmap
> data itself but in generating the airport, as I much add detail to a
> specific airport for a work project.

Are you populating an existing airport with 3d objects, or are you
adding/changing taxiways, runways, etc.?

> I'd like too know if terragear CVS current is fully compatible with
> the released FlightGear 0.9.3 or if terrain generated with Terragear
> CVS need FlightGear CVS. For my experiment I compiled Terragear CVS
> from around 1st December 2003 and for testing I used Flightgear
> 0.9.3 (Should I ugrade to current Terragear CVS ?).

These should all be fully compatible.

Regards,

Curt.


> I followed quite closely and adapted the html tutorial, using the
> europe DEM-30 and VMAP0 data.
> 
> 
> here's what I did:
> 
> $ for file in data/dem30/ascii/*.dem; do
> > demchop $file work/DEM-30
> > done
> 
> 
> I read some things on the mailing list about hgtchop. Do i need to use it or is only for 1 and 3 arcsec DEMs ?
> 
> 
> 
> $genapts --input=default.apt.gz --work=../../work/ --min-lon=1 --max-lon=2 --min-lat=43 --max-lat=44 
> 
> (default.apt.gz is from FG 0.9.3 data)
> 
> 
> I generated just the landMass (is that sufficient for correct terrain ?):
> 
> $tgvpf  --min-lon=1 --max-lon=2 --min-lat=43 --max-lat=44 <path to vmaplv0> eurnasia bnd polbnda
> 
> a question about tgvpf usage: what --min-area and --max-area do ?
> The tutorial has an obsolete argument --area. Is that not needed anymore ?
> 
> 
> then I launched fgfs-tool-server and client like this:
> 
> $fgfs-tools-client --rude --output-dir=. --work-dir=. --port=<num> DEM-30 LandMass AirportArea AirportObj
> 
> 
> 
> And the terrain is totally psychedelic around LFBO :(
> 
> 
> 
> I did the above procedure without generating the airports but the elevation is sill wrong. What did I miss ?
> 
> 
> 
> 
> 
> 
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-- 
Curtis Olson   HumanFIRST Program               FlightGear Project
Twin Cities    curt 'at' me.umn.edu             curt 'at' flightgear.org
Minnesota      http://www.flightgear.org/~curt  http://www.flightgear.org