diff options
Diffstat (limited to 'geography/py-proj/DESCR')
| -rw-r--r-- | geography/py-proj/DESCR | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/geography/py-proj/DESCR b/geography/py-proj/DESCR index 7979e882ec7..d3dcd6e15f3 100644 --- a/geography/py-proj/DESCR +++ b/geography/py-proj/DESCR @@ -1,3 +1,10 @@ -This package provides a Pyrex wrapper to provide python interfaces to -PROJ.4 (http://proj.maptools.org) functions for coordinate -transformation. +The Proj class can convert from geographic (longitude,latitude) to native +map projection (x,y) coordinates and vice versa, or from one map projection +coordinate system directly to another. + +The Geod class can perform forward and inverse geodetic, or Great Circle, +computations. The forward computation involves determining latitude, +longitude and back azimuth of a terminus point given the latitude and +longitude of an initial point, plus azimuth and distance. The inverse +computation involves determining the forward and back azimuths and +distance given the latitudes and longitudes of an initial and terminus point |