def test_iter_geoms(self):
sc = GeomCabinet()
it = sc.iter_geoms('state_boundaries')
geoms = list(it)
self.assertEqual(len(geoms), 51)
self.assertEqual(geoms[12]['properties']['STATE_NAME'], 'New Hampshire')
for geom in geoms:
self.assertIn(type(geom['geom']), (Polygon, MultiPolygon))
# test with a shapefile not having a unique identifier
env.DEFAULT_GEOM_UID = 'ggidd'
new = self.get_shapefile_path_with_no_ugid()
sc = GeomCabinet()
target = list(sc.iter_geoms(path=new))
self.assertEqual(len(target), 11)
self.assertEqual(target[0]['properties'][env.DEFAULT_GEOM_UID], 1)
self.assertEqual(target[3]['properties'][env.DEFAULT_GEOM_UID], 4)
target = list(sc.iter_geoms(path=new, uid='ID'))
self.assertNotIn(env.DEFAULT_GEOM_UID, target[9]['properties'])
self.assertEqual(int, type(target[7]['properties']['ID']))
target = list(sc.iter_geoms(path=new, uid='ID', as_spatial_dimension=True))
ref = target[4]
self.assertEqual(ref.uid[0, 0], 10)
self.assertNotIn(env.DEFAULT_GEOM_UID, ref.properties.dtype.names)
# test with a different geometry unique identifier
path = self.get_shapefile_path_with_no_ugid()
geom_select_uid = [12, 15]
geom_uid = 'ID'
sc = GeomCabinet()
records = list(sc.iter_geoms(path=path, uid=geom_uid, select_uid=geom_select_uid))
self.assertEqual(len(records), 2)
self.assertEqual([r['properties']['ID'] for r in records], geom_select_uid)
def test_multivariate_iteration(self):
field = self.get_field(with_value=True, month_count=1)
field.variables.add_variable(Variable(value=field.variables['tmax'].value + 5,
name='tmin', alias='tmin'))
field.temporal.name_uid = 'tid'
field.level.name_uid = 'lid'
field.spatial.geom.name_uid = 'gid'
div = Divide(field=field, parms={'arr1': 'tmin', 'arr2': 'tmax'}, alias='some_division',
dtype=np.float64)
ret = div.execute()
cfield = DerivedMultivariateField(variables=ret, realization=field.realization, temporal=field.temporal,
level=field.level,
spatial=field.spatial, meta=field.meta, uid=field.uid)
cfield.spatial.name_uid = 'gid'
sc = GeomCabinet()
meta = sc.get_meta('state_boundaries')
sp = SpatialCollection(meta=meta, key='state_boundaries', headers=constants.HEADERS_MULTI)
for row in sc.iter_geoms('state_boundaries', as_spatial_dimension=True):
sp.add_field(cfield, ugeom=row)
for ii, row in enumerate(sp.get_iter_dict(melted=True)):
if ii == 0:
self.assertDictEqual(row[1], {'lid': 1, 'ugid': 1, 'cid': 1, 'did': None, 'year': 2000,
'time': datetime.datetime(2000, 1, 1, 12, 0),
'calc_alias': 'some_division', 'value': 12.989774984574424, 'month': 1,
'gid': 1, 'calc_key': 'divide', 'tid': 1, 'level': 50, 'day': 1})
self.assertEqual(ii + 1, 2 * 31 * 2 * 3 * 4 * 51)
def test_iter_geoms_no_load_geoms(self):
sc = GeomCabinet()
it = sc.iter_geoms('state_boundaries', load_geoms=False)
geoms = list(it)
self.assertEqual(len(geoms), 51)
self.assertEqual(geoms[12]['properties']['STATE_NAME'], 'New Hampshire')
for geom in geoms:
self.assertNotIn('geom', geom)
def get_collection(self):
field = self.get_field(with_value=True)
sc = GeomCabinet()
meta = sc.get_meta('state_boundaries')
sp = SpatialCollection(meta=meta, key='state_boundaries')
for row in sc.iter_geoms('state_boundaries', as_spatial_dimension=True):
sp.add_field(field, ugeom=row)
return sp
def test_init(self):
bp = '/a/bad/location'
with self.assertRaises(ValueError):
cabinet = GeomCabinet(bp)
list(cabinet.iter_geoms('state_boundaries'))
try:
ocgis.env.set_geomcabinet_path(None)
with self.assertRaises(ValueError):
list(GeomCabinet().iter_geoms('state_boundaries'))
finally:
ocgis.env.reset()
def test_calculation_iteration_two_calculations(self):
field = self.get_field(with_value=True, month_count=2)
field.variables.add_variable(Variable(value=field.variables['tmax'].value + 5, name='tmin', alias='tmin'))
field.temporal.name_uid = 'tid'
field.level.name_uid = 'lid'
field.spatial.geom.name_uid = 'gid'
grouping = ['month']
tgd = field.temporal.get_grouping(grouping)
mu = Mean(field=field, tgd=tgd, alias='my_mean', dtype=np.float64, add_parents=True)
ret = mu.execute()
thresh = Threshold(field=field, vc=ret, tgd=tgd, alias='a_treshold', add_parents=True,
parms={'operation': 'gte', 'threshold': 0.5})
ret = thresh.execute()
kwds = copy(field.__dict__)
kwds.pop('_raw')
kwds.pop('_variables')
kwds.pop('_should_regrid')
kwds.pop('_has_assigned_coordinate_system')
kwds.pop('_attrs')
kwds['name'] = kwds.pop('_name')
kwds['temporal'] = tgd
kwds['variables'] = ret
cfield = DerivedField(**kwds)
cfield.temporal.name_uid = 'tid'
cfield.temporal.name_value = 'time'
cfield.spatial.name_uid = 'gid'
sc = GeomCabinet()
meta = sc.get_meta('state_boundaries')
sp = SpatialCollection(meta=meta, key='state_boundaries', headers=constants.HEADERS_CALC)
for row in sc.iter_geoms('state_boundaries', as_spatial_dimension=True):
sp.add_field(cfield, ugeom=row)
cids = set()
for ii, row in enumerate(sp.get_iter_dict(melted=True)):
cids.update([row[1]['cid']])
if ii == 0:
self.assertEqual(row[0].bounds, (-100.5, 39.5, -99.5, 40.5))
self.assertDictEqual(row[1], {'lid': 1, 'ugid': 1, 'vid': 1, 'cid': 1, 'did': 1, 'year': 2000,
'time': datetime.datetime(2000, 1, 16, 0, 0),
'calc_alias': 'my_mean_tmax', 'value': 0.44808476666433006, 'month': 1,
'alias': 'tmax', 'variable': 'tmax', 'gid': 1, 'calc_key': 'mean',
'tid': 1, 'level': 50, 'day': 16})
self.assertEqual(len(row), 2)
self.assertEqual(len(row[1]), len(constants.HEADERS_CALC))
self.assertEqual(ii + 1, 2 * 2 * 2 * 3 * 4 * 51 * 4)
self.assertEqual(len(cids), 4)
def test_iteration_methods(self):
field = self.get_field(with_value=True)
field.temporal.name_uid = 'tid'
field.level.name_uid = 'lid'
field.spatial.geom.name_uid = 'gid'
field.spatial.name_uid = 'gid'
sc = GeomCabinet()
meta = sc.get_meta('state_boundaries')
sp = SpatialCollection(meta=meta, key='state_boundaries', headers=constants.HEADERS_RAW)
for row in sc.iter_geoms('state_boundaries', as_spatial_dimension=True):
sp.add_field(field, ugeom=row)
for ii, row in enumerate(sp.get_iter_dict(melted=True)):
if ii == 1:
self.assertDictEqual(row[1], {'lid': 1, 'ugid': 1, 'vid': 1, 'alias': 'tmax', 'did': 1, 'year': 2000,
'value': 0.7203244934421581, 'month': 1, 'variable': 'tmax', 'gid': 2,
'time': datetime.datetime(2000, 1, 1, 12, 0), 'tid': 1, 'level': 50,
'day': 1})
self.assertIsInstance(row[0], MultiPolygon)
self.assertEqual(len(row), 2)
self.assertEqual(len(row[1]), len(constants.HEADERS_RAW))
def test_iter_geoms_select_ugid(self):
sc = GeomCabinet()
it = sc.iter_geoms('state_boundaries', select_uid=[13])
geoms = list(it)
self.assertEqual(len(geoms), 1)
self.assertEqual(geoms[0]['properties']['STATE_NAME'], 'New Hampshire')
def test_iter_geoms_select_sql_where(self):
sc = GeomCabinet()
sql = 'STATE_NAME = "New Hampshire"'
self.assertEqual(len(list(sc.iter_geoms('state_boundaries', select_sql_where=sql))), 1)
def test_iter_geoms_select_ugid_is_sorted(self):
sc = GeomCabinet()
with self.assertRaises(ValueError):
list(sc.iter_geoms('state_boundaries', select_uid=[23, 18]))