Norman Vine wrote: > > Christian Mayer writes: > > > >Norman Vine wrote: > >> > >> Well if you just wanted to drift with the wind and be 'cheesy' > >> you could use the simgear direct geodetic solver to get a new lat lon > >> based on current position speed and course > > > >The drifting is moddeled correctly and returnes me a "displacement" in > >meters in the north-south and east-west axis (so it'S easy to convert > >that to a direction and a distance). So all I need is a function that > >takes the current position in WGS84 and my displacement and > >returns me a new WGS84 position. > > Exactly > * @param alt (in) meters -- current altitude above sea-level > * @param lat1 (in) degrees - current latitude > * @param lon1 (in) degrees - current longitude > * @param az1 (in) degrees - course in degrees > * @param s (in) distance in meters - distance in degrees > * @param lat2 (out) degrees - new latitude > * @param lon2 (out) degrees - new longitude > * @param az2 (out) return course in degrees - course back to starting > location > */ > int geo_direct_wgs_84 ( double alt, double lat1, double lon1, double az1, > double s, double *lat2, double *lon2, double *az2 ); > > Need anything else ??
Thnks, that should do the job. CU, Christian -- The idea is to die young as late as possible. -- Ashley Montague Whoever that is/was; (c) by Douglas Adams would have been better... _______________________________________________ Flightgear-devel mailing list [EMAIL PROTECTED] http://mail.flightgear.org/mailman/listinfo/flightgear-devel
