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authorClaude Paroz <claude@2xlibre.net>2014-11-13 14:38:19 +0100
committerClaude Paroz <claude@2xlibre.net>2014-11-13 14:38:19 +0100
commite541bbd0dc36a61b6eb148dc4694d9638d7bd5f2 (patch)
tree922c53e986c72caf747b1d3744cd4c21ab84d3f1 /docs/ref/contrib/gis/model-api.txt
parent7fd1f3a645fda76c517be17f373ced1e69c2ae7b (diff)
Removed doc reference to pre-1.5 PostGIS
Diffstat (limited to 'docs/ref/contrib/gis/model-api.txt')
-rw-r--r--docs/ref/contrib/gis/model-api.txt15
1 files changed, 7 insertions, 8 deletions
diff --git a/docs/ref/contrib/gis/model-api.txt b/docs/ref/contrib/gis/model-api.txt
index 2f4a27bc64..2c41b368e0 100644
--- a/docs/ref/contrib/gis/model-api.txt
+++ b/docs/ref/contrib/gis/model-api.txt
@@ -107,10 +107,10 @@ a flat surface is a straight line, the shortest path between two points on a cur
surface (such as the earth) is an *arc* of a `great circle`__. [#fnthematic]_ Thus,
additional computation is required to obtain distances in planar units (e.g.,
kilometers and miles). Using a geographic coordinate system may introduce
-complications for the developer later on. For example, PostGIS versions 1.4
-and below do not have the capability to perform distance calculations between
-non-point geometries using geographic coordinate systems, e.g., constructing a
-query to find all points within 5 miles of a county boundary stored as WGS84.
+complications for the developer later on. For example, Spatialite does not have
+the capability to perform distance calculations between geometries using
+geographic coordinate systems, e.g. constructing a query to find all points
+within 5 miles of a county boundary stored as WGS84.
[#fndist]_
Portions of the earth's surface may projected onto a two-dimensional, or
@@ -124,10 +124,9 @@ calculations.
.. note::
If you wish to perform arbitrary distance queries using non-point
- geometries in WGS84, consider upgrading to PostGIS 1.5. For
- better performance, enable the :attr:`GeometryField.geography`
- keyword so that :ref:`geography database type <geography-type>`
- is used instead.
+ geometries in WGS84 in PostGIS and you want decent performance, enable the
+ :attr:`GeometryField.geography` keyword so that :ref:`geography database
+ type <geography-type>` is used instead.
Additional Resources: