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| author | Kristian Evers <kristianevers@gmail.com> | 2021-09-29 17:52:04 +0200 |
|---|---|---|
| committer | Kristian Evers <kristianevers@gmail.com> | 2021-09-29 17:52:04 +0200 |
| commit | 769dcd7f6308581e565c59fa1862144809260452 (patch) | |
| tree | cfaa7cdbfe45cd4933e02a0534cdf94ed27ab8b0 /docs/source | |
| parent | 24a9ad540caf952d4d452bf802facfb52665908c (diff) | |
| download | PROJ-769dcd7f6308581e565c59fa1862144809260452.tar.gz PROJ-769dcd7f6308581e565c59fa1862144809260452.zip | |
doc: clarify use of +datum option with +proj=latlon
Diffstat (limited to 'docs/source')
| -rw-r--r-- | docs/source/operations/conversions/latlon.rst | 11 |
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> |