The PROJ Cartographic Projections library (and utilities) originally
written by Gerald Evenden then of the USGS. It is used by libgeotiff,
among other things, for manipulating map and coordinate system data.
Note that in order to link against this library, you will need to use
-Wl,--enable-runtime-pseudo-reloc
(and -lproj of course).
The main package includes the following utility executables
proj.exe
invproj.exe
forware and inverse cartographic projection
geod.exe
invgeod.exe
direct and inverse geodesic computations
cs2cs.exe
cartographic coordinate system conversions
nad2bin.exe
nad2nad.exe
for converting data between North American Datum 1927 and 1983
and for creating binary (as opposed to plaintext) databases
High resolution US and Canadian datum shift grids are included in
/usr/share/proj/
--
Charles Wilson
proj volunteer maintainer for cygwin
To update your installation, click on the "Install Cygwin now" link on
the http://cygwin.com/ web page. This downloads setup.exe to your
system. Then, run setup and answer all of the questions.
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