From 381b10c2c665749789011d4aa7c16e6a42600a3b Mon Sep 17 00:00:00 2001 From: Justin Bronn Date: Mon, 29 Mar 2010 21:56:01 +0000 Subject: [PATCH] Added another GDAL bug workaround for retrieving the correct coordinate dimension on geometry collections. Refs #12312. git-svn-id: http://code.djangoproject.com/svn/django/trunk@12883 bcc190cf-cafb-0310-a4f2-bffc1f526a37 --- django/contrib/gis/gdal/geometries.py | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/django/contrib/gis/gdal/geometries.py b/django/contrib/gis/gdal/geometries.py index 94aad148fe..d08d0d53a4 100644 --- a/django/contrib/gis/gdal/geometries.py +++ b/django/contrib/gis/gdal/geometries.py @@ -198,6 +198,14 @@ class OGRGeometry(GDALBase): def _get_coord_dim(self): "Returns the coordinate dimension of the Geometry." + if isinstance(self, GeometryCollection) and GDAL_VERSION < (1, 5, 2): + # On GDAL versions prior to 1.5.2, there exists a bug in which + # the coordinate dimension of geometry collections is always 2: + # http://trac.osgeo.org/gdal/ticket/2334 + # Here we workaround by returning the coordinate dimension of the + # first geometry in the collection instead. + if len(self): + return capi.get_coord_dim(capi.get_geom_ref(self.ptr, 0)) return capi.get_coord_dim(self.ptr) def _set_coord_dim(self, dim):