Re: File format question
Ralf Gerlich <[email protected]> Mon, 20 Mar 2006 18:02:58 +0100
| Newsgroups | gmane.games.flightgear.terragear.devel |
|---|---|
| Message-ID | <[email protected]> |
Hello, Vik Kumar schrieb: > So I found some downloadable data from the same agency and managed to > extract height data myself. Not quite sure about the license bit, but > for now, I want to give it a shot myself to see how the whole process of > scenery generation works. For that you could also start with the standard 3sec SRTM2 data, which for the e130n30 tile is available as ftp://e0srp01u.ecs.nasa.gov/srtm/version2/Eurasia/N30E130.hgt.zip > I'm working on tile e130n30 which should give me a good coverage of big > cities and mountains, like Tokyo, and Mt Fuji. > I believe the coordinates are in Japanese Geodetic > Datum2000(JGD2000) which apparently is GRS80. I know close to 0 > cartography so I don't know what that actually means, but there you go. It means that you need to project them to WGS84 (World Geodetic System of 1984), which is the datum used by TerraGear and FlightGear. This could be done using a small perl script and proj4. Cheers, Ralf _______________________________________________ Terragear-devel mailing list [email protected] http://mail.flightgear.org/mailman/listinfo/terragear-devel 2f585eeea02e2c79d7b1d8c4963bae2d