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README
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README
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The files in this directory are support data for PROJ programs
as well as test scripts for testing proj installation.
File Contents:
README --- This file
epsg --- Translation of EPSG GCS/PCS codes into PROJ via init= mechanism.
epsg-deprecated --- EPSG definitions that have been deprecated. They are
not part of 'epsg' anymore, but may have been delivered
with earlier versions of 'epsg'.
Thus, they might occur e.g. in WMS (Web Mapping Services)
running with old EPSG definitions.
This file is not complete at all - it contains just
definitions that were individually reported.
nad27 --- North American Datum 1927 for "init=" definition of
State Plane Coordinate Systems (SPCS).
nad83 --- North American Datum 1983 for "init=" definition of SPCS.
GL27 --- Great Lakes Survey grids, NAD27
world --- Proj specifications for several international grid systems.
nad.lst --- Reference list of SPCS States and NGS datum identifiers
IGNF --- Translation of French Mapping Agency codes into PROJ via init= mechanism.
install --- Unix shell (sh) script to install nad2nad file and proj
init files. Read beginning for usage instructions.
Additional data files are available in https://github.com/OSGeo/proj-datumgrid/