def test_simplify(self):
geom = wkbelement_from_geojson(
json.loads(
'{"type": "LineString", "coordinates": ' +
'[[635900, 5723600], [635902, 5723600], [635905, 5723600]]}'),
3857)
route = Route(activities=['hiking'],
geometry=DocumentGeometry(geom=None, geom_detail=geom))
self.session.add(route)
self.session.flush()
# check that the line was simplified on insertion
simplified_geom = route.geometry
self.session.refresh(simplified_geom)
geojson = json.loads(
geojson_from_wkbelement(simplified_geom.geom_detail))
self.assertEqual(len(geojson['coordinates']), 2)
# check that the line was simplified after an update
route.geometry.geom_detail = wkbelement_from_geojson(
json.loads(
'{"type": "LineString", "coordinates": ' +
'[[635901, 5723600], [635902, 5723600], [635905, 5723600]]}'),
3857)
self.session.flush()
simplified_geom = route.geometry
self.session.refresh(simplified_geom)
geojson = json.loads(
geojson_from_wkbelement(simplified_geom.geom_detail))
self.assertEqual(len(geojson['coordinates']), 2)
self.assertCoodinateEquals([635901, 5723600],
geojson['coordinates'][0])
def test_simplify(self):
geom = wkbelement_from_geojson(
'{"type": "LineString", "coordinates": ' +
'[[635900, 5723600], [635902, 5723600], [635905, 5723600]]}', 3857)
route = Route(
activities=['hiking'],
geometry=DocumentGeometry(geom=None, geom_detail=geom))
self.session.add(route)
self.session.flush()
# check that the line was simplified on insertion
simplified_geom = route.geometry
self.session.refresh(simplified_geom)
geojson = json.loads(
geojson_from_wkbelement(simplified_geom.geom_detail))
self.assertEqual(len(geojson['coordinates']), 2)
# check that the line was simplified after an update
route.geometry.geom_detail = wkbelement_from_geojson(
'{"type": "LineString", "coordinates": ' +
'[[635901, 5723600], [635902, 5723600], [635905, 5723600]]}', 3857)
self.session.flush()
simplified_geom = route.geometry
self.session.refresh(simplified_geom)
geojson = json.loads(
geojson_from_wkbelement(simplified_geom.geom_detail))
self.assertEqual(len(geojson['coordinates']), 2)
self.assertCoodinateEquals(
[635901, 5723600], geojson['coordinates'][0])
def test_geometry_update(self):
""" Check that geometries are only compared in 2D when updating a
document.
"""
geom1 = wkbelement_from_geojson(
'{"type": "LineString", "coordinates": ' +
'[[635956, 5723604, 1200], [635966, 5723644, 1210]]}', 3857)
route_db = Route(
document_id=1, activities=['hiking'],
geometry=DocumentGeometry(
document_id=1, geom=None, geom_detail=geom1)
)
geom2 = wkbelement_from_geojson(
'{"type": "LineString", "coordinates": ' +
'[[635956, 5723604, 9999], [635966, 5723644, 9999]]}', 3857)
route_in = Route(
document_id=1, activities=['hiking'],
geometry=DocumentGeometry(
geom=None, geom_detail=geom2)
)
route_db.update(route_in)
self.assertIs(route_db.geometry.geom_detail, geom1)
geom3 = wkbelement_from_geojson(
'{"type": "LineString", "coordinates": ' +
'[[635956, 5723608, 1200], [635966, 5723644, 1210]]}', 3857)
route_in = Route(
document_id=1, activities=['hiking'],
geometry=DocumentGeometry(
geom=None, geom_detail=geom3)
)
route_db.update(route_in)
self.assertIsNot(route_db.geometry.geom_detail, geom1)
self.assertIs(route_db.geometry.geom_detail, geom3)
def test_wkb_to_shape_point(self):
wkb = wkbelement_from_geojson(json.loads(
'{"type": "Point", "coordinates": [1.0, 2.0, 3.0, 4.0]}'), 3857)
point = wkb_to_shape(wkb)
self.assertFalse(point.has_z)
self.assertAlmostEquals(point.x, 1.0)
self.assertAlmostEquals(point.y, 2.0)
def test_wkb_to_shape_multipolygon(self):
wkb = wkbelement_from_geojson(json.loads(
'{"type": "MultiPolygon", "coordinates": ' +
'[[[[100.0, 0.0, 1200], [101.0, 0.0, 1200], [101.0, 1.0, 1200], '
'[100.0, 1.0, 1200], [100.0, 0.0, 1200]]]]}'), 3857)
multi_polygon = wkb_to_shape(wkb)
self.assertFalse(multi_polygon.has_z)
self.assertEqual(len(multi_polygon.geoms[0].exterior.coords), 5)
self.assertEqual(len(multi_polygon.geoms[0].exterior.coords[0]), 2)
def test_wkb_to_shape_polygon(self):
wkb = wkbelement_from_geojson(
'{"type": "Polygon", "coordinates": ' + "[[[100.0, 0.0, 1200], [101.0, 0.0, 1200], [101.0, 1.0, 1200], "
"[100.0, 1.0, 1200], [100.0, 0.0, 1200]]]}",
3857,
)
polygon = wkb_to_shape(wkb)
self.assertFalse(polygon.has_z)
self.assertEqual(len(polygon.exterior.coords), 5)
self.assertEqual(len(polygon.exterior.coords[0]), 2)
def test_wkb_to_shape_linestring(self):
wkb = wkbelement_from_geojson(
'{"type": "LineString", "coordinates": ' + "[[635956, 5723604, 1200], [635966, 5723644, 1210]]}", 3857
)
line = wkb_to_shape(wkb)
self.assertFalse(line.has_z)
self.assertEqual(len(line.coords), 2)
self.assertEqual(len(line.coords[0]), 2)
self.assertCoodinateEquals(line.coords[0], [635956.0, 5723604.0])
self.assertCoodinateEquals(line.coords[1], [635966.0, 5723644.0])
def test_wkb_to_shape_linestring(self):
wkb = wkbelement_from_geojson(
json.loads('{"type": "LineString", "coordinates": ' +
'[[635956, 5723604, 1200], [635966, 5723644, 1210]]}'),
3857)
line = wkb_to_shape(wkb)
self.assertFalse(line.has_z)
self.assertEqual(len(line.coords), 2)
self.assertEqual(len(line.coords[0]), 2)
self.assertCoodinateEquals(line.coords[0], [635956.0, 5723604.0])
self.assertCoodinateEquals(line.coords[1], [635966.0, 5723644.0])
def test_geometry_update(self):
""" Check that geometries are only compared in 2D when updating a
document.
"""
geom1 = wkbelement_from_geojson(
json.loads('{"type": "LineString", "coordinates": ' +
'[[635956, 5723604, 1200], [635966, 5723644, 1210]]}'),
3857)
route_db = Route(document_id=1,
activities=['hiking'],
geometry=DocumentGeometry(document_id=1,
geom=None,
geom_detail=geom1))
geom2 = wkbelement_from_geojson(
json.loads('{"type": "LineString", "coordinates": ' +
'[[635956, 5723604, 9999], [635966, 5723644, 9999]]}'),
3857)
route_in = Route(document_id=1,
activities=['hiking'],
geometry=DocumentGeometry(geom=None,
geom_detail=geom2))
route_db.update(route_in)
self.assertIs(route_db.geometry.geom_detail, geom1)
geom3 = wkbelement_from_geojson(
json.loads('{"type": "LineString", "coordinates": ' +
'[[635956, 5723608, 1200], [635966, 5723644, 1210]]}'),
3857)
route_in = Route(document_id=1,
activities=['hiking'],
geometry=DocumentGeometry(geom=None,
geom_detail=geom3))
route_db.update(route_in)
self.assertIsNot(route_db.geometry.geom_detail, geom1)
self.assertIs(route_db.geometry.geom_detail, geom3)
def test_save_and_load(self):
fake_doc = Document()
self.session.add(fake_doc)
self.session.flush()
geom = wkbelement_from_geojson(
'{"type": "Point", "coordinates": [1.0, 2.0]}', 3857)
geometry = DocumentGeometry(
document_id=fake_doc.document_id, geom=geom)
self.session.add(geometry)
self.session.flush()
self.session.expire(geometry)
geom_loaded = geometry.geom
geom_str = geojson_from_wkbelement(geom_loaded)
geom_geojson = json.loads(geom_str)
self.assertCoodinateEquals([1.0, 2.0], geom_geojson['coordinates'])
def test_save_and_load(self):
fake_doc = Document()
self.session.add(fake_doc)
self.session.flush()
geom = wkbelement_from_geojson(
'{"type": "Point", "coordinates": [1.0, 2.0]}', 3857)
geometry = DocumentGeometry(document_id=fake_doc.document_id,
geom=geom)
self.session.add(geometry)
self.session.flush()
self.session.expire(geometry)
geom_loaded = geometry.geom
geom_str = geojson_from_wkbelement(geom_loaded)
geom_geojson = json.loads(geom_str)
self.assertCoodinateEquals([1.0, 2.0], geom_geojson['coordinates'])
def test_wkb_to_shape_point(self):
wkb = wkbelement_from_geojson('{"type": "Point", "coordinates": [1.0, 2.0, 3.0, 4.0]}', 3857)
point = wkb_to_shape(wkb)
self.assertFalse(point.has_z)
self.assertAlmostEquals(point.x, 1.0)
self.assertAlmostEquals(point.y, 2.0)
