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authorKristian Evers <kristianevers@gmail.com>2021-09-29 22:03:54 +0200
committerGitHub <noreply@github.com>2021-09-29 22:03:54 +0200
commit40001a6c27e04922f027982dac9d275a57947efc (patch)
tree5032a2eae1a57a7396e8c23619d31f7db956a721
parentf3c363acb64b37a69b4a014dcb2c432e23d3e458 (diff)
parent9739bb37971951d491644a589f710d10133586ad (diff)
downloadPROJ-40001a6c27e04922f027982dac9d275a57947efc.tar.gz
PROJ-40001a6c27e04922f027982dac9d275a57947efc.zip
Merge pull request #2879 from OSGeo/backport-2878-to-8.1
[Backport 8.1] doc: clarify use of +datum option with +proj=latlon
-rw-r--r--docs/source/operations/conversions/latlon.rst11
1 files changed, 9 insertions, 2 deletions
diff --git a/docs/source/operations/conversions/latlon.rst b/docs/source/operations/conversions/latlon.rst
index 00fa5db3..25e2a143 100644
--- a/docs/source/operations/conversions/latlon.rst
+++ b/docs/source/operations/conversions/latlon.rst
@@ -30,8 +30,15 @@ However, the parameters below can be used in a declarative manner when used with
.. option:: +datum=<value>
- Declare the datum used with the coordinates. See ``cs2cs -ld`` for a
- list of available datums.
+ Declare the datum used with the coordinates. Available options are:
+ ``WGS84``, ``GGRS87``, ``NAD38``, ``NAD27``, ``potsdam``, ``carthage``,
+ ``hermannskogel``, ``ire65``, ``nzgd49``, ``OSGB336``.
+
+ .. note::
+
+ The ``+datum`` option is primarily available to support the legacy
+ use of PROJ.4 strings as CRS descriptors and should in most cases
+ be avoided.
.. option:: +towgs84=<list>