ApplicationsΒΆ
Bundled with PROJ comes a set of small command line utilities. The proj
program is limited to converting between geographic and projection coordinates
within one datum. The cs2cs
program operates similarly, but allows
translation between any pair of definable coordinate systems, including support
for basic datum translation. The geod
program provides the ability to do
geodesic (great circle) computations. gie
is the program used for
regression tests in PROJ.