diff options
Diffstat (limited to 'man/man3')
| -rw-r--r-- | man/man3/geodesic.3 | 42 |
1 files changed, 26 insertions, 16 deletions
diff --git a/man/man3/geodesic.3 b/man/man3/geodesic.3 index e409079d..717be2b9 100644 --- a/man/man3/geodesic.3 +++ b/man/man3/geodesic.3 @@ -1,6 +1,6 @@ .\" @(#)geodesic.3 -.nr LL 6.5i -.TH GEODESIC 3 "2013/02/27 Rel. 4.8" +.nr LL 7.0i +.TH GEODESIC 3 "2013/07/11 Rel. 4.9.0" .ad b .hy 1 .SH NAME @@ -32,13 +32,13 @@ This library is a port of the geodesic routines in the C++ library, GeographicLib, to C. It solves the direct and inverse geodesic problems on an ellipsoid of revolution. In addition, the reduced length of a geodesic and the area between a geodesic and the equator can be -computed. The results are accurate to round off for |\fIf\fR| < 1/50. -Note that the geodesic routines measure angles (latitudes, longitudes, -and azimuths) in degrees, unlike the rest of the \fBproj\fR library, -which uses radians. The documentation for this library is included in -geodesic.h. A formatted version of the documentation is available at -.br -http://geographiclib.sf.net/html/C/index.html +computed. The results are accurate to round off for |\fIf\fR| < 1/50, +where \fIf\fR is the flattening. Note that the geodesic routines +measure angles (latitudes, longitudes, and azimuths) in degrees, unlike +the rest of the \fBproj\fR library, which uses radians. The +documentation for this library is included in geodesic.h. A formatted +version of the documentation is available at +http://geographiclib.sf.net/1.32/C .SH EXAMPLE The following program reads in lines with the coordinates for two points in decimal degrees (\fIlat1\fR, \fIlon1\fR, \fIlat2\fR, \fIlon2\fR) and @@ -70,18 +70,28 @@ int main() { .SH LIBRARY libproj.a \- library of projections and support procedures .SH SEE ALSO -.B geod(1) -.br -The \fBGeodesicExact\fR class in \fBGeographicLib\fR, -http://geographiclib.sf.net. This solves the geodesic problems in terms -of elliptic integrals; the results are accurate for arbitrary \fIf\fR. +Full online documentation for \fBgeodesic(3)\fR, .br +http://geographiclib.sf.net/1.32/C +.PP +.B geod(1) +.PP +\fBGeographicLib\fR, http://geographiclib.sf.net +.PP +The \fBGeodesicExact\fR class in GeographicLib solves the geodesic +problems in terms of elliptic integrals; the results are accurate for +arbitrary \fIf\fR. +.PP C. F. F. Karney, \fIAlgorithms for Geodesics\fR, .br J. Geodesy \fB87\fR, 43-55 (2013); .br -DOI: http://dx.doi.org/10.1007/s00190-012-0578-z, +DOI: http://dx.doi.org/10.1007/s00190-012-0578-z +.br +http://geographiclib.sf.net/geod-addenda.html +.PP +The \fIonline geodesic bibliography\fR, .br -http://geographiclib.sf.net/geod-addenda.html. +http://geographiclib.sf.net/geodesic-papers/biblio.html .SH HOME PAGE http://proj.osgeo.org |