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Code Issues 32 Releases Wiki Activity

[1.10.x] Fixed #26775 -- Supported dim=3 geography fields

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Thanks François-Xavier Thomas for the report.
Backport of 8ba44ecda0 from master.
This commit is contained in:
Claude Paroz
2016-06-18 17:10:16 +02:00
parent d3b9c49919
commit 1b6de8fd23
3 changed files with 17 additions and 11 deletions
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17
django/contrib/gis/db/backends/postgis/operations.py
View File

@@ -268,18 +268,19 @@ class PostGISOperations(BaseSpatialOperations, DatabaseOperations):
"""
if f.geom_type == 'RASTER':
return 'raster'
elif f.geography:
# Type-based geometries.
# TODO: Support 'M' extension.
if f.dim == 3:
geom_type = f.geom_type + 'Z'
else:
geom_type = f.geom_type
if f.geography:
if f.srid != 4326:
raise NotImplementedError('PostGIS only supports geography columns with an SRID of 4326.')
return 'geography(%s,%d)' % (f.geom_type, f.srid)
return 'geography(%s,%d)' % (geom_type, f.srid)
else:
# Type-based geometries.
# TODO: Support 'M' extension.
if f.dim == 3:
geom_type = f.geom_type + 'Z'
else:
geom_type = f.geom_type
return 'geometry(%s,%d)' % (geom_type, f.srid)
def get_distance(self, f, dist_val, lookup_type, handle_spheroid=True):

1
tests/gis_tests/geo3d/models.py
View File

@@ -19,6 +19,7 @@ class NamedModel(models.Model):
class City3D(NamedModel):
point = models.PointField(dim=3)
pointg = models.PointField(dim=3, geography=True)
class Interstate2D(NamedModel):

10
tests/gis_tests/geo3d/tests.py
View File

@@ -91,7 +91,9 @@ class Geo3DLoadingHelper(object):
def _load_city_data(self):
for name, pnt_data in city_data:
City3D.objects.create(name=name, point=Point(*pnt_data, srid=4326))
City3D.objects.create(
name=name, point=Point(*pnt_data, srid=4326), pointg=Point(*pnt_data, srid=4326),
)
def _load_polygon_data(self):
bbox_wkt, bbox_z = bbox_data
@@ -129,9 +131,11 @@ class Geo3DTest(Geo3DLoadingHelper, TestCase):
self._load_city_data()
for name, pnt_data in city_data:
city = City3D.objects.get(name=name)
z = pnt_data[2]
# Testing both geometry and geography fields
self.assertTrue(city.point.hasz)
self.assertEqual(z, city.point.z)
self.assertTrue(city.pointg.hasz)
self.assertEqual(city.point.z, pnt_data[2])
self.assertEqual(city.pointg.z, pnt_data[2])
def test_3d_polygons(self):
"""