X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=simgear%2Fmath%2Fsg_geodesy.hxx;h=f19e4358460e55965399180dc97a403ed5513835;hb=578af00b0d48100c540154f54293a1b77a0655fe;hp=32df3008cee8e3b760c20192d104db8c903a795b;hpb=c5d677ac7b879036aa241379cbc32f868c1599bf;p=simgear.git diff --git a/simgear/math/sg_geodesy.hxx b/simgear/math/sg_geodesy.hxx index 32df3008..f19e4358 100644 --- a/simgear/math/sg_geodesy.hxx +++ b/simgear/math/sg_geodesy.hxx @@ -4,26 +4,8 @@ #include #include "SGMath.hxx" -/** - * Convert from geocentric coordinates to geodetic coordinates - * @param lat_geoc (in) Geocentric latitude, radians, + = North - * @param radius (in) C.G. radius to earth center (meters) - * @param lat_geod (out) Geodetic latitude, radians, + = North - * @param alt (out) C.G. altitude above mean sea level (meters) - * @param sea_level_r (out) radius from earth center to sea level at - * local vertical (surface normal) of C.G. (meters) - */ -inline void sgGeocToGeod(double lat_geoc, double radius, - double *lat_geod, double *alt, double *sea_level_r) -{ - SGVec3 cart; - SGGeodesy::SGGeocToCart(SGGeoc::fromRadM(0, lat_geoc, radius), cart); - SGGeod geod; - SGGeodesy::SGCartToGeod(cart, geod); - *lat_geod = geod.getLatitudeRad(); - *alt = geod.getElevationM(); - *sea_level_r = SGGeodesy::SGGeodToSeaLevelRadius(geod); -} +// Compatibility header. +// Please use the SGGeodesy and SGMath functions directly. /** * Convert from geodetic coordinates to geocentric coordinates. @@ -128,9 +110,17 @@ inline Point3D sgGeodToCart(const Point3D& geod) * @param lon2 (out) degrees * @param az2 (out) return course in degrees */ -int geo_direct_wgs_84 ( double lat1, double lon1, double az1, - double s, double *lat2, double *lon2, - double *az2 ); +inline int geo_direct_wgs_84 ( double lat1, double lon1, double az1, + double s, double *lat2, double *lon2, + double *az2 ) +{ + SGGeod p2; + if (!SGGeodesy::direct(SGGeod::fromDeg(lon1, lat1), az1, s, p2, *az2)) + return 1; + *lat2 = p2.getLatitudeDeg(); + *lon2 = p2.getLongitudeDeg(); + return 0; +} inline int geo_direct_wgs_84 ( double alt, double lat1, double lon1, double az1, double s, double *lat2, double *lon2, @@ -149,12 +139,7 @@ inline int geo_direct_wgs_84 ( double alt, double lat1, inline int geo_direct_wgs_84(const SGGeod& p1, double az1, double s, SGGeod& p2, double *az2 ) { - double lat2, lon2; - int ret = geo_direct_wgs_84(p1.getLatitudeDeg(), p1.getLongitudeDeg(), - az1, s, &lat2, &lon2, az2); - p2.setLatitudeDeg(lat2); - p2.setLongitudeDeg(lon2); - return ret; + return !SGGeodesy::direct(p1, az1, s, p2, *az2); } /** @@ -169,9 +154,13 @@ inline int geo_direct_wgs_84(const SGGeod& p1, double az1, * @param az2 (out) end heading degrees * @param s (out) distance meters */ -int geo_inverse_wgs_84( double lat1, double lon1, double lat2, - double lon2, double *az1, double *az2, - double *s ); +inline int geo_inverse_wgs_84( double lat1, double lon1, double lat2, + double lon2, double *az1, double *az2, + double *s ) +{ + return !SGGeodesy::inverse(SGGeod::fromDeg(lon1, lat1), + SGGeod::fromDeg(lon2, lat2), *az1, *az2, *s); +} inline int geo_inverse_wgs_84( double alt, double lat1, double lon1, double lat2, double lon2, double *az1, double *az2, @@ -191,9 +180,7 @@ inline int geo_inverse_wgs_84( double alt, double lat1, inline int geo_inverse_wgs_84(const SGGeod& p1, const SGGeod& p2, double *az1, double *az2, double *s ) { - return geo_inverse_wgs_84(p1.getLatitudeDeg(), p1.getLongitudeDeg(), - p2.getLatitudeDeg(), p2.getLongitudeDeg(), - az1, az2, s); + return !SGGeodesy::inverse(p1, p2, *az1, *az2, *s); } #endif // _SG_GEODESY_HXX