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authorKristian Evers <kristianevers@gmail.com>2021-09-01 21:21:07 +0200
committerGitHub <noreply@github.com>2021-09-01 21:21:07 +0200
commit1b180864413fa98aed9d79868eec8ceb689421a9 (patch)
tree2d48484d00cf282e5d2ac63f8d2954c37a6bbdbe
parent1ed57b9e4718afc7dffefade05978f0c6d66a96a (diff)
parent1ddad0b6014c14286d792715de9c1354404a0349 (diff)
downloadPROJ-1b180864413fa98aed9d79868eec8ceb689421a9.tar.gz
PROJ-1b180864413fa98aed9d79868eec8ceb689421a9.zip
Merge pull request #2833 from rouault/doc_topocentric_ortho_epsg_ref
Doc: mentions EPSG methods that corresponds to topocentric and ortho (fixes #2832)
-rw-r--r--docs/source/operations/conversions/topocentric.rst4
-rw-r--r--docs/source/operations/projections/ortho.rst2
2 files changed, 5 insertions, 1 deletions
diff --git a/docs/source/operations/conversions/topocentric.rst b/docs/source/operations/conversions/topocentric.rst
index 828ef4e0..14019965 100644
--- a/docs/source/operations/conversions/topocentric.rst
+++ b/docs/source/operations/conversions/topocentric.rst
@@ -46,7 +46,9 @@ topocentric conversion must be preceded by the :ref:`cart` conversion to
perform the initial geographic to geocentric coordinates conversion.
The formulas used come from the "Geocentric/topocentric conversions" paragraph
-of :cite:`IOGP2018`
+of :cite:`IOGP2018`. ``+proj=topocentric`` alone corresponds to the ``EPSG:9836``
+conversion method, ``+proj=cart`` followed by ``+proj=topocentric`` corresponds
+to ``EPSG:9837``.
Usage
################################################################################
diff --git a/docs/source/operations/projections/ortho.rst b/docs/source/operations/projections/ortho.rst
index 2d0e08a8..05c7a547 100644
--- a/docs/source/operations/projections/ortho.rst
+++ b/docs/source/operations/projections/ortho.rst
@@ -37,6 +37,8 @@ around a given latitude and longitude.
ellipsoid must be forced to a sphere, for example by adding a ``+f=0``
parameter.
+This projection method corresponds to ``ÈPSG:9840``.
+
Parameters
################################################################################