Dropped support for GEOS < 3.1

4 files changed, 4 insertions, 24 deletions

diff --git a/docs/ref/contrib/gis/geos.txt b/docs/ref/contrib/gis/geos.txt
index d557af96a3..a1f92b31c7 100644
--- a/docs/ref/contrib/gis/geos.txt
+++ b/docs/ref/contrib/gis/geos.txt
@@ -282,10 +282,6 @@ Returns the EWKB of this Geometry in hexadecimal form.  This is an
 extension of the WKB specification that includes the SRID value
 that are a part of this geometry.
 
-.. note::
-
-   GEOS 3.1 is *required* if you want valid 3D HEXEWKB.
-
 .. attribute:: GEOSGeometry.json
 
 Returns the GeoJSON representation of the geometry.
@@ -329,10 +325,6 @@ Return the EWKB representation of this Geometry as a Python buffer.
 This is an extension of the WKB specification that includes any SRID
 value that are a part of this geometry.
 
-.. note::
-
-   GEOS 3.1 is *required* if you want valid 3D EWKB.
-
 .. attribute:: GEOSGeometry.wkt
 
 Returns the Well-Known Text of the geometry (an OGC standard).
@@ -533,10 +525,6 @@ a :class:`Polygon`).
 
 .. attribute:: GEOSGeometry.prepared
 
-.. note::
-
-    Support for prepared geometries requires GEOS 3.1.
-
 Returns a GEOS ``PreparedGeometry`` for the contents of this geometry.
 ``PreparedGeometry`` objects are optimized for the contains, intersects,
 and covers operations.  Refer to the :ref:`prepared-geometries` documentation
@@ -710,10 +698,6 @@ Geometry Collections
    more efficient (faster) than trying to union the geometries together
    individually. [#fncascadedunion]_
 
-   .. note::
-
-       GEOS 3.1 is *required* to peform cascaded unions.
-
 ``GeometryCollection``
 ----------------------
 
@@ -740,10 +724,6 @@ geometry can be orders of magnitude faster -- the more complex the geometry
 that is prepared, the larger the speedup in the operation.  For more information,
 please consult the `GEOS wiki page on prepared geometries <http://trac.osgeo.org/geos/wiki/PreparedGeometry>`_.
 
-.. note::
-
-   GEOS 3.1 is *required* in order to use prepared geometries.
-
 For example::
 
     >>> from django.contrib.gis.geos import Point, Polygon
diff --git a/docs/ref/contrib/gis/install/geolibs.txt b/docs/ref/contrib/gis/install/geolibs.txt
index 508bf7809c..a529a497d2 100644
--- a/docs/ref/contrib/gis/install/geolibs.txt
+++ b/docs/ref/contrib/gis/install/geolibs.txt
@@ -10,7 +10,7 @@ geospatial libraries:
 ========================  ====================================  ================================  ==========================
 Program                   Description                           Required                          Supported Versions
 ========================  ====================================  ================================  ==========================
-:ref:`GEOS <ref-geos>`    Geometry Engine Open Source           Yes                               3.3, 3.2, 3.1, 3.0
+:ref:`GEOS <ref-geos>`    Geometry Engine Open Source           Yes                               3.3, 3.2, 3.1
 `PROJ.4`_                 Cartographic Projections library      Yes (PostgreSQL and SQLite only)  4.8, 4.7, 4.6, 4.5, 4.4
 :ref:`GDAL <ref-gdal>`    Geospatial Data Abstraction Library   No (but, required for SQLite)     1.9, 1.8, 1.7, 1.6
 :ref:`GeoIP <ref-geoip>`  IP-based geolocation library          No                                1.4
@@ -20,7 +20,6 @@ Program                   Description                           Required
 
 ..
     Libs release dates:
-    GEOS 3.0.0 2008-08-14
     GEOS 3.1.0 2009-03-11
     GEOS 3.2.0 2009-12-14
     GEOS 3.3.0 2011-05-30
diff --git a/docs/ref/contrib/gis/model-api.txt b/docs/ref/contrib/gis/model-api.txt
index 81b619e338..10cc2957d8 100644
--- a/docs/ref/contrib/gis/model-api.txt
+++ b/docs/ref/contrib/gis/model-api.txt
@@ -172,8 +172,7 @@ three-dimensonal support.
 
 .. note::
 
-    At this time 3D support requires that GEOS 3.1 be installed, and is
-    limited only to the PostGIS spatial backend.
+    At this time 3D support is limited to the PostGIS spatial backend.
 
 ``geography``
 -------------
diff --git a/docs/releases/1.7.txt b/docs/releases/1.7.txt
index 3a1568fe45..21449b4e7c 100644
--- a/docs/releases/1.7.txt
+++ b/docs/releases/1.7.txt
@@ -722,6 +722,8 @@ Miscellaneous
   ``select_related('foo').select_related('bar')``. Previously the latter would
   have been equivalent to ``select_related('bar')``.
 
+* GeoDjango dropped support for GEOS < 3.1.
+
 Features deprecated in 1.7
 ==========================