def test__shape_of_earth_spherical(self):
cs = GeogCS(semi_major_axis=1.23)
test_cube = self._make_test_cube(cs=cs)
grid_definition_template_4(test_cube, self.mock_grib)
self._check_key('shapeOfTheEarth', 1)
self._check_key('scaleFactorOfRadiusOfSphericalEarth', 0)
self._check_key('scaledValueOfRadiusOfSphericalEarth', 1.23)
def test__shape_of_earth_flattened(self):
cs = GeogCS(semi_major_axis=1.456, semi_minor_axis=1.123)
test_cube = self._make_test_cube(cs=cs)
grid_definition_template_4(test_cube, self.mock_grib)
self._check_key('shapeOfTheEarth', 7)
self._check_key('scaleFactorOfEarthMajorAxis', 0)
self._check_key('scaledValueOfEarthMajorAxis', 1.456)
self._check_key('scaleFactorOfEarthMinorAxis', 0)
self._check_key('scaledValueOfEarthMinorAxis', 1.123)
def test__grid_points(self):
x_floats = np.array([11.0, 12.0, 167.0])
# TODO: reduce Y to 2 points, when gribapi nx=ny limitation is gone.
y_floats = np.array([20.0, 21.0, 22.0])
test_cube = self._make_test_cube(x_points=x_floats, y_points=y_floats)
grid_definition_template_4(test_cube, self.mock_grib)
x_longs = np.array(np.round(1e6 * x_floats), dtype=int)
y_longs = np.array(np.round(1e6 * y_floats), dtype=int)
self._check_key("longitudes", x_longs)
self._check_key("latitudes", y_longs)
def test__scanmode_reverse(self):
test_cube = self._make_test_cube(x_points=np.arange(7, 0, -1))
grid_definition_template_4(test_cube, self.mock_grib)
self._check_key('iScansPositively', 0)
self._check_key('jScansPositively', 1)
def test__scanmode(self):
grid_definition_template_4(self.test_cube, self.mock_grib)
self._check_key('iScansPositively', 1)
self._check_key('jScansPositively', 1)
def test__grid_shape(self):
test_cube = self._make_test_cube(x_points=np.arange(13),
y_points=np.arange(6))
grid_definition_template_4(test_cube, self.mock_grib)
self._check_key('Ni', 13)
self._check_key('Nj', 6)
def test__template_number(self):
grid_definition_template_4(self.test_cube, self.mock_grib)
self._check_key('gridDefinitionTemplateNumber', 4)
