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return xr.DataArray for angle_to_direction if input is xr.DataArray #3463

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return xr.DataArray for angle_to_direction if input is xr.DataArray #3463

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60a7692
return xr.DataArray for angle_to_direction if input is xr.DataArray
raybellwaves Apr 2, 2024
fb24dcb
missing xr_da
raybellwaves Apr 2, 2024
ad9c210
try using numpy array straight away
raybellwaves Apr 2, 2024
dc6d06c
use wrap_like
raybellwaves Apr 3, 2024
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4 changes: 3 additions & 1 deletion src/metpy/calc/tools.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1804,7 +1804,7 @@ def _abbreviate_direction(ext_dir_str):


@exporter.export
@preprocess_and_wrap()
@preprocess_and_wrap(wrap_like='input_angle')
def angle_to_direction(input_angle, full=False, level=3):
"""Convert the meteorological angle to directional text.

Expand Down Expand Up @@ -1838,6 +1838,8 @@ def angle_to_direction(input_angle, full=False, level=3):
input_angle = input_angle.m
except AttributeError: # no units associated
origin_units = units.degree
if origin_units == units.dimensionless: # assume if dimensionless is degree
origin_units = units.degree

if not hasattr(input_angle, '__len__') or isinstance(input_angle, str):
input_angle = [input_angle]
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11 changes: 10 additions & 1 deletion tests/calc/test_calc_tools.py
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Expand Up @@ -933,14 +933,23 @@ def test_angle_to_direction_level_1():
assert_array_equal(output_dirs, expected_dirs)


def test_angle_to_direction_ndarray():
def test_angle_to_direction_ndarray_np():
"""Test array of angles in degree with a 2d numpy array."""
expected_dirs = np.array([['E', 'W'], ['E', 'W']])
input_angle = np.array([[90, 270], [90, 270]])
output_dirs = angle_to_direction(input_angle, level=1)
assert_array_equal(output_dirs, expected_dirs)


def test_angle_to_direction_ndarray_xr():
"""Test array of angles in degree with a 2d xarray.DataArray."""
expected_dirs = xr.DataArray(np.array([['E', 'W'], ['E', 'W']]))
input_angle = xr.DataArray(np.array([[90, 270], [90, 270]]))
output_dirs = angle_to_direction(input_angle, level=1)
assert_array_equal(output_dirs, expected_dirs)
assert isinstance(output_dirs, xr.DataArray)


def test_azimuth_range_to_lat_lon():
"""Test conversion of azimuth and range to lat/lon grid."""
az = [332.2403, 334.6765, 337.2528, 339.73846, 342.26257]
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