Changes between Version 13 and Version 14 of GeoDjangoDatabaseAPI

Timestamp:

Jan 28, 2008, 3:53:01 PM (17 years ago)

Author:

jbronn

Comment:

Added documentation about the extent method, added in r7028.

GeoDjangoDatabaseAPI

@@ -234 +234 @@
 == distance ==
 ''Availability'': PostGIS, Oracle
+
 The `distance` method takes a geometry as a parameter, and will attach a `distance` attribute to every model in the returned queryset that contains the distance (in units of the field) to the given geometry.
+
+== extent ==
+''Availability'': PostGIS
+
+Returns the extent (aggregate) of the features in the `GeoQuerySet`. The extent will be returned as a 4-tuple, consisting of (xmin, ymin, xmax, ymax). 
+{{{
+>>> qs = City.objects.filter(name__in=('Houston', 'Dallas'))
+>>> print qs.extent()
+(-96.8016128540039, 29.7633724212646, -95.3631439208984, 32.782058715820)
+}}}
 
 == gml ==