wok-next view proj/description.txt @ rev 21307

updated hydra (7.3 -> 9.0)
author Hans-G?nter Theisgen
date Tue Dec 10 10:07:48 2019 +0100 (2019-12-10)
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1 proj.4 is a standard UNIX filter function which converts geographic longitude
2 and latitude coordinates into cartesian coordinates (and vice versa), and it is
3 a C API for software developers to include coordinate transformation in their
4 own software.