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| author | Frank Warmerdam <warmerdam@pobox.com> | 2013-07-12 21:04:00 +0000 |
|---|---|---|
| committer | Frank Warmerdam <warmerdam@pobox.com> | 2013-07-12 21:04:00 +0000 |
| commit | 1544f051b0039aa93bff4376c675d14ad71491bd (patch) | |
| tree | 8b105d3a9c19d6c6097abb9fbff3eb2e26fb43c6 /man | |
| parent | 142dc13264b1ef7a647944f4f05e7bbb0358ebdd (diff) | |
| download | PROJ-1544f051b0039aa93bff4376c675d14ad71491bd.tar.gz PROJ-1544f051b0039aa93bff4376c675d14ad71491bd.zip | |
allow polygon vertices to be specified incrementally for geodesic area (#221).
git-svn-id: http://svn.osgeo.org/metacrs/proj/trunk@2377 4e78687f-474d-0410-85f9-8d5e500ac6b2
Diffstat (limited to 'man')
| -rw-r--r-- | man/man1/geod.1 | 34 | ||||
| -rw-r--r-- | man/man3/geodesic.3 | 42 |
2 files changed, 46 insertions, 30 deletions
diff --git a/man/man1/geod.1 b/man/man1/geod.1 index 0a2522ea..8ff59db2 100644 --- a/man/man1/geod.1 +++ b/man/man1/geod.1 @@ -1,8 +1,8 @@ .\" @(#)geod.1 -.nr LL 6.5i +.nr LL 7.0i .ad b .hy 1 -.TH GEOD 1 "2013/02/27 Rel. 4.8" +.TH GEOD 1 "2013/07/11 Rel. 4.9.0" .SH NAME geod \- direct geodesic computations .br @@ -38,9 +38,10 @@ perform geodesic (\(``Great Circle\('') computations for determining latitude, longitude and back azimuth of a terminus point given a initial point latitude, longitude, azimuth and distance (direct) or the forward and back azimuths and distance between an initial and -terminus point latitudes and longitudes (inverse). +terminus point latitudes and longitudes (inverse). The results are +accurate to round off for |\fIf\fR| < 1/50, where \fIf\fR is flattening. .PP -The following runline control parameters can appear in any order: +The following command-line options can appear in any order: .TP .B \-I Specifies that the inverse geodesic computation is to be performed. @@ -93,13 +94,13 @@ DMS numbers between 0 and 360 degrees. Also note -f. .PP The .B +args -run-line arguments are associated with geodetic parameters +command-line options are associated with geodetic parameters for specifying the ellipsoidal or sphere to use. See .B proj documentation for full list of these parameters and controls. The options are processed in left to right order -from the run line. +from the command line. Reentry of an option is ignored with the first occurrence assumed to be the desired value. .PP @@ -200,18 +201,23 @@ Note: lack of precision in the distance value compromises the precision of the Portland location. .SH SEE ALSO .B geodesic(3) -.br -The \fBGeodSolve\fR utility in \fBGeographicLib\fR, -http://geographiclib.sf.net. With the \fB-E\fR option, this solves the -geodesic problems in terms of elliptic integrals; the results are -accurate for arbitrary \fIf\fR. -.br +.PP +\fBGeographicLib\fR, http://geographiclib.sf.net +.PP +The \fBGeodSolve\fR utility in GeographicLib. With the \fB-E\fR option, +this 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 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 |
