gis: module for interfacing with GEOS routines.

git-svn-id: http://code.djangoproject.com/svn/django/branches/gis@4882 bcc190cf-cafb-0310-a4f2-bffc1f526a37

1 files changed, 19 insertions, 0 deletions

diff --git a/django/contrib/gis/geos/__init__.py b/django/contrib/gis/geos/__init__.py
new file mode 100644
index 0000000000..b3b879832c
--- /dev/null
+++ b/django/contrib/gis/geos/__init__.py
@@ -0,0 +1,19 @@
+from geos import geomFromWKT, geomToWKT, geomFromHEX, geomToHEX
+
+def hex_to_wkt(hex):
+    "Converts EWKBHEX into WKT."
+    return geomToWKT(geomFromHEX(hex))
+
+def wkt_to_hex(wkt):
+    "Converts WKT into EWKBHEX."
+    return geomToHEX(geomFromWKT(wkt))
+
+def centroid(hex):
+    "Returns the centroid of the geometry (given in EWKBHEX)."
+    center = (geomFromHEX(hex)).getCentroid()
+    return geomToWKT(center)
+
+def area(hex):
+    "Returns the area of the geometry (given in EWKBHEX)."
+    return (geomFromHEX(hex)).area()
+