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authorEven Rouault <even.rouault@spatialys.com>2019-03-28 12:45:17 +0000
committerEven Rouault <even.rouault@spatialys.com>2019-03-28 12:45:17 +0000
commit5105ca3445b6ec0e3e54427f66567b9de514b9f9 (patch)
tree70091b26ddf9465653d5e0e202f574cfca00f6f4 /docs/source
parentef9c5b7da1876fa2ff6e69a22cab425992bcad25 (diff)
downloadPROJ-5105ca3445b6ec0e3e54427f66567b9de514b9f9.tar.gz
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Doc: document --identify switch of projinfo (fixes #1332)
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-rw-r--r--docs/source/apps/projinfo.rst10
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diff --git a/docs/source/apps/projinfo.rst b/docs/source/apps/projinfo.rst
index d4c0a6ba..e22c89ca 100644
--- a/docs/source/apps/projinfo.rst
+++ b/docs/source/apps/projinfo.rst
@@ -193,6 +193,16 @@ The following control parameters can appear in any order:
and their entries can refer to entries of the main database.
The option may be repeated to specify several auxiliary databases.
+.. option:: --identify
+
+ When used with an object definition, this queries the PROJ database to find
+ known objects, typically CRS, that are close or identical to the object.
+ Each candidate object is associated with an approximate likelihood percentage.
+ This is useful when used with a WKT string that lacks a EPSG identifier,
+ such as ESRI WKT1. This might also be used with PROJ strings.
+ For example, `+proj=utm +zone=31 +datum=WGS84 +type=crs` will be identified
+ with a likelihood of 70% to EPSG:32631
+
.. option:: --c-ify
For developers only. Modify the string output of the utility so that it