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-rw-r--r--docs/ref/contrib/gis/geos.txt11
1 files changed, 10 insertions, 1 deletions
diff --git a/docs/ref/contrib/gis/geos.txt b/docs/ref/contrib/gis/geos.txt
index 0c8139d218..04789fd06e 100644
--- a/docs/ref/contrib/gis/geos.txt
+++ b/docs/ref/contrib/gis/geos.txt
@@ -224,9 +224,18 @@ Format Input Type
WKT / EWKT ``str``
HEX / HEXEWKB ``str``
WKB / EWKB ``buffer``
-GeoJSON ``str``
+GeoJSON_ ``str``
======================= ==========
+For the GeoJSON format, the SRID is set based on the ``crs`` member. If ``crs``
+isn't provided, the SRID defaults to 4326.
+
+.. versionchanged:: 2.0
+
+ In older versions, SRID isn't set for geometries initialized from GeoJSON.
+
+.. _GeoJSON: https://tools.ietf.org/html/rfc7946
+
.. classmethod:: GEOSGeometry.from_gml(gml_string)
.. versionadded:: 1.11