def test_src_y_points_and_bounds(self):
sy_points = np.arange(self.ny - 1)
emsg = 'Invalid number of src y-coordinate bounds'
with self.assertRaisesRegexp(ValueError, emsg):
agg(self.data, self.sx_points, self.sx_bounds, sy_points,
self.sy_bounds, self.sx_dim, self.sy_dim, self.gx_bounds,
self.gy_bounds)
def test_grid_x_bounds(self):
gx_bounds = self.gx_bounds.flatten()
emsg = 'Expected 2d contiguous grid x-coordinate bounds'
with self.assertRaisesRegexp(ValueError, emsg):
agg(self.data, self.sx_points, self.sx_bounds, self.sy_points,
self.sy_bounds, self.sx_dim, self.sy_dim, gx_bounds,
self.gy_bounds)
def test_regrid_irregular_src_y_points(self):
self.sy_points[0] = self.sy_points[0] * 1.01
emsg = 'Expected src y-coordinate points to be regular'
with self.assertRaisesRegexp(ValueError, emsg):
agg(self.data, self.sx_points, self.sx_bounds, self.sy_points,
self.sy_bounds, self.sx_dim, self.sy_dim, self.gx_bounds,
self.gy_bounds)
def test_src_y_bounds(self):
sy_bounds = self.sy_bounds.reshape(1, -1)
emsg = 'Expected 1d contiguous src y-coordinate bounds'
with self.assertRaisesRegexp(ValueError, emsg):
agg(self.data, self.sx_points, self.sx_bounds, self.sy_points,
sy_bounds, self.sx_dim, self.sy_dim, self.gx_bounds,
self.gy_bounds)
def test_src_x_points(self):
sx_points = self.sx_points.reshape(1, -1)
emsg = 'Expected 1d src x-coordinate points'
with self.assertRaisesRegexp(ValueError, emsg):
agg(self.data, sx_points, self.sx_bounds, self.sy_points,
self.sy_bounds, self.sx_dim, self.sy_dim, self.gx_bounds,
self.gy_bounds)
def test_data(self):
data = self.data.flatten()
emsg = 'Expected at least 2d src data'
with self.assertRaisesRegexp(ValueError, emsg):
agg(data, self.sx_points, self.sx_bounds, self.sy_points,
self.sy_bounds, self.sx_dim, self.sy_dim, self.gx_bounds,
self.gy_bounds)
def test_src_y_points_and_bounds(self):
sy_points = np.arange(self.ny - 1)
emsg = 'Invalid number of src y-coordinate bounds'
with self.assertRaisesRegexp(ValueError, emsg):
agg(self.data, self.sx_points, self.sx_bounds,
sy_points, self.sy_bounds,
self.sx_dim, self.sy_dim,
self.gx_bounds, self.gy_bounds)
def test_data(self):
data = self.data.flatten()
emsg = 'Expected at least 2d src data'
with self.assertRaisesRegexp(ValueError, emsg):
agg(data, self.sx_points, self.sx_bounds,
self.sy_points, self.sy_bounds,
self.sx_dim, self.sy_dim,
self.gx_bounds, self.gy_bounds)
def test_src_y_bounds(self):
sy_bounds = self.sy_bounds.reshape(1, -1)
emsg = 'Expected 1d contiguous src y-coordinate bounds'
with self.assertRaisesRegexp(ValueError, emsg):
agg(self.data, self.sx_points, self.sx_bounds,
self.sy_points, sy_bounds,
self.sx_dim, self.sy_dim,
self.gx_bounds, self.gy_bounds)
def test_src_x_points(self):
sx_points = self.sx_points.reshape(1, -1)
emsg = 'Expected 1d src x-coordinate points'
with self.assertRaisesRegexp(ValueError, emsg):
agg(self.data, sx_points, self.sx_bounds,
self.sy_points, self.sy_bounds,
self.sx_dim, self.sy_dim,
self.gx_bounds, self.gy_bounds)
def test_regrid_irregular_src_y_points(self):
self.sy_points[0] = self.sy_points[0] * 1.01
emsg = 'Expected src y-coordinate points to be regular'
with self.assertRaisesRegexp(ValueError, emsg):
agg(self.data, self.sx_points, self.sx_bounds,
self.sy_points, self.sy_bounds,
self.sx_dim, self.sy_dim,
self.gx_bounds, self.gy_bounds)
def test_src_x_dim(self):
# Positive index beyond last dimension.
sx_dim = self.data.ndim
emsg = 'Invalid src x-coordinate dimension'
with self.assertRaisesRegexp(ValueError, emsg):
agg(self.data, self.sx_points, self.sx_bounds, self.sy_points,
self.sy_bounds, sx_dim, self.sy_dim, self.gx_bounds,
self.gy_bounds)
def test_src_y_dim(self):
# Negative index before first dimension.
sy_dim = -(self.data.ndim + 1)
emsg = 'Invalid src y-coordinate dimension'
with self.assertRaisesRegexp(ValueError, emsg):
agg(self.data, self.sx_points, self.sx_bounds, self.sy_points,
self.sy_bounds, self.sx_dim, sy_dim, self.gx_bounds,
self.gy_bounds)
def test_grid_x_bounds_and_y_bounds(self):
shape = np.array(self.gy_bounds.shape) + 1
gy_bounds = np.empty(shape)
emsg = 'Misaligned grid'
with self.assertRaisesRegexp(ValueError, emsg):
agg(self.data, self.sx_points, self.sx_bounds, self.sy_points,
self.sy_bounds, self.sx_dim, self.sy_dim, self.gx_bounds,
gy_bounds)
def test_grid_y_bounds(self):
gy_bounds = self.gy_bounds.flatten()
emsg = 'Expected 2d contiguous grid y-coordinate bounds'
with self.assertRaisesRegexp(ValueError, emsg):
agg(self.data, self.sx_points, self.sx_bounds,
self.sy_points, self.sy_bounds,
self.sx_dim, self.sy_dim,
self.gx_bounds, gy_bounds)
def test_grid_x_bounds_and_y_bounds(self):
shape = np.array(self.gy_bounds.shape) + 1
gy_bounds = np.empty(shape)
emsg = 'Misaligned grid'
with self.assertRaisesRegexp(ValueError, emsg):
agg(self.data, self.sx_points, self.sx_bounds,
self.sy_points, self.sy_bounds,
self.sx_dim, self.sy_dim,
self.gx_bounds, gy_bounds)
def test_src_y_dim(self):
# Negative index before first dimension.
sy_dim = -(self.data.ndim + 1)
emsg = 'Invalid src y-coordinate dimension'
with self.assertRaisesRegexp(ValueError, emsg):
agg(self.data, self.sx_points, self.sx_bounds,
self.sy_points, self.sy_bounds,
self.sx_dim, sy_dim,
self.gx_bounds, self.gy_bounds)
def test_src_x_dim(self):
# Positive index beyond last dimension.
sx_dim = self.data.ndim
emsg = 'Invalid src x-coordinate dimension'
with self.assertRaisesRegexp(ValueError, emsg):
agg(self.data, self.sx_points, self.sx_bounds,
self.sy_points, self.sy_bounds,
sx_dim, self.sy_dim,
self.gx_bounds, self.gy_bounds)
def test_src_y_points_and_data(self):
shape = list(self.shape)
shape[self.sy_dim] = self.ny - 1
data = np.empty(shape)
emsg = 'src y-coordinate points .* do not align'
with self.assertRaisesRegexp(ValueError, emsg):
agg(data, self.sx_points, self.sx_bounds, self.sy_points,
self.sy_bounds, self.sx_dim, self.sy_dim, self.gx_bounds,
self.gy_bounds)
def test_src_y_points_and_data(self):
shape = list(self.shape)
shape[self.sy_dim] = self.ny - 1
data = np.empty(shape)
emsg = 'src y-coordinate points .* do not align'
with self.assertRaisesRegexp(ValueError, emsg):
agg(data, self.sx_points, self.sx_bounds,
self.sy_points, self.sy_bounds,
self.sx_dim, self.sy_dim,
self.gx_bounds, self.gy_bounds)
def test_regrid_ok_negative_sy_dim(self):
self.sy_dim = -(self.data.ndim - self.sy_dim)
result = agg(self.data, self.sx_points, self.sx_bounds,
self.sy_points, self.sy_bounds,
self.sx_dim, self.sy_dim,
self.gx_bounds, self.gy_bounds)
assert_array_equal(result, self._expected())
def test_regrid_ok_src_y_points_cast(self):
self.sy_points = np.asarray(self.sy_points, dtype=np.float32)
result = agg(self.data, self.sx_points, self.sx_bounds,
self.sy_points, self.sy_bounds,
self.sx_dim, self.sy_dim,
self.gx_bounds, self.gy_bounds)
assert_array_equal(result, self._expected())
def test_regrid_ok_grid_brhc_out_of_bounds(self):
self.gy_bounds[-1, -1] = self.gy_bounds[-1, -1] * 2
result = agg(self.data, self.sx_points, self.sx_bounds, self.sy_points,
self.sy_bounds, self.sx_dim, self.sy_dim, self.gx_bounds,
self.gy_bounds)
expected = self._expected()
expected[1, 1] = ma.masked
assert_array_equal(result, self._expected())
def test_regrid_ok_transpose(self):
self.data = self.data.T
sy_dim, sx_dim = self.sx_dim, self.sy_dim
result = agg(self.data, self.sx_points, self.sx_bounds, self.sy_points,
self.sy_bounds, sx_dim, sy_dim, self.gx_bounds,
self.gy_bounds)
expected = self._expected(transpose=True)
assert_array_equal(result, expected)
def test_regrid_ok_transpose(self):
self.data = self.data.T
sy_dim, sx_dim = self.sx_dim, self.sy_dim
result = agg(self.data, self.sx_points, self.sx_bounds,
self.sy_points, self.sy_bounds,
sx_dim, sy_dim,
self.gx_bounds, self.gy_bounds)
expected = self._expected(transpose=True)
assert_array_equal(result, expected)
def test_regrid_ok_grid_brhc_out_of_bounds(self):
self.gy_bounds[-1, -1] = self.gy_bounds[-1, -1] * 2
result = agg(self.data, self.sx_points, self.sx_bounds,
self.sy_points, self.sy_bounds,
self.sx_dim, self.sy_dim,
self.gx_bounds, self.gy_bounds)
expected = self._expected()
expected[1, 1] = ma.masked
assert_array_equal(result, self._expected())
def test_regrid_ok_src_masked(self):
self.data = ma.asarray(self.data)
self.data[2, 3] = ma.masked # tlhc 1x masked of 6x src cells
self.data[2, 4] = ma.masked # trhc 2x masked of 6x src cells
self.data[2, 5] = ma.masked
self.data[3, 2] = ma.masked # blhc 3x masked of 6x src cells
self.data[3, 3] = ma.masked
self.data[4, 3] = ma.masked
self.data[3, 4] = ma.masked # brhc 4x masked of 6x src cells
self.data[3, 5] = ma.masked
self.data[4, 4] = ma.masked
self.data[4, 5] = ma.masked
result = agg(self.data, self.sx_points, self.sx_bounds, self.sy_points,
self.sy_bounds, self.sx_dim, self.sy_dim, self.gx_bounds,
self.gy_bounds)
assert_array_equal(result, self._expected())
def test_regrid_ok_src_masked(self):
self.data = ma.asarray(self.data)
self.data[2, 3] = ma.masked # tlhc 1x masked of 6x src cells
self.data[2, 4] = ma.masked # trhc 2x masked of 6x src cells
self.data[2, 5] = ma.masked
self.data[3, 2] = ma.masked # blhc 3x masked of 6x src cells
self.data[3, 3] = ma.masked
self.data[4, 3] = ma.masked
self.data[3, 4] = ma.masked # brhc 4x masked of 6x src cells
self.data[3, 5] = ma.masked
self.data[4, 4] = ma.masked
self.data[4, 5] = ma.masked
result = agg(self.data, self.sx_points, self.sx_bounds,
self.sy_points, self.sy_bounds,
self.sx_dim, self.sy_dim,
self.gx_bounds, self.gy_bounds)
assert_array_equal(result, self._expected())
def test_regrid_ok(self):
result = agg(self.data, self.sx_points, self.sx_bounds,
self.sy_points, self.sy_bounds,
self.sx_dim, self.sy_dim,
self.gx_bounds, self.gy_bounds)
assert_array_equal(result, self._expected())
def test_regrid_ok_negative_sy_dim(self):
self.sy_dim = -(self.data.ndim - self.sy_dim)
result = agg(self.data, self.sx_points, self.sx_bounds, self.sy_points,
self.sy_bounds, self.sx_dim, self.sy_dim, self.gx_bounds,
self.gy_bounds)
assert_array_equal(result, self._expected())
def test_regrid_ok_src_y_points_cast(self):
self.sy_points = np.asarray(self.sy_points, dtype=np.float32)
result = agg(self.data, self.sx_points, self.sx_bounds, self.sy_points,
self.sy_bounds, self.sx_dim, self.sy_dim, self.gx_bounds,
self.gy_bounds)
assert_array_equal(result, self._expected())
def test_regrid_ok(self):
result = agg(self.data, self.sx_points, self.sx_bounds, self.sy_points,
self.sy_bounds, self.sx_dim, self.sy_dim, self.gx_bounds,
self.gy_bounds)
assert_array_equal(result, self._expected())
