def test_grdcut_dataarray_in_file_out(grid, expected_grid, region):
"""
grdcut an input DataArray, and output to a grid file.
"""
with GMTTempFile(suffix=".nc") as tmpfile:
result = grdcut(grid, outgrid=tmpfile.name, region=region)
assert result is None # grdcut returns None if output to a file
temp_grid = load_dataarray(tmpfile.name)
xr.testing.assert_allclose(a=temp_grid, b=expected_grid)
def test_grdfill_file_out(grid, expected_grid):
"""
Test grdfill with an outgrid set.
"""
with GMTTempFile(suffix=".nc") as tmpfile:
result = grdfill(grid=grid, mode="c20", outgrid=tmpfile.name)
assert result is None # return value is None
assert os.path.exists(path=tmpfile.name) # check that outgrid exists
temp_grid = load_dataarray(tmpfile.name)
xr.testing.assert_allclose(a=temp_grid, b=expected_grid)
def test_grdlandmask_outgrid(expected_grid):
"""
Creates a grid land mask with an outgrid argument.
"""
with GMTTempFile(suffix=".nc") as tmpfile:
result = grdlandmask(outgrid=tmpfile.name,
spacing=1,
region=[125, 130, 30, 35])
assert result is None # return value is None
assert os.path.exists(path=tmpfile.name) # check that outgrid exists
temp_grid = load_dataarray(tmpfile.name)
xr.testing.assert_allclose(a=temp_grid, b=expected_grid)
def test_grdcut_file_in_file_out(expected_grid):
"""
grdcut an input grid file, and output to a grid file.
"""
with GMTTempFile(suffix=".nc") as tmpfile:
result = grdcut("@earth_relief_01d",
outgrid=tmpfile.name,
region=[-3, 1, 2, 5])
assert result is None # return value is None
assert os.path.exists(path=tmpfile.name) # check that outgrid exists
temp_grid = load_dataarray(tmpfile.name)
xr.testing.assert_allclose(a=temp_grid, b=expected_grid)
def test_grdsample_file_out(grid, expected_grid, region, spacing):
"""
Test grdsample with an outgrid set and the spacing is changed.
"""
with GMTTempFile(suffix=".nc") as tmpfile:
result = grdsample(grid=grid,
outgrid=tmpfile.name,
spacing=spacing,
region=region)
assert result is None # return value is None
assert os.path.exists(path=tmpfile.name) # check that outgrid exists
temp_grid = load_dataarray(tmpfile.name)
xr.testing.assert_allclose(a=temp_grid, b=expected_grid)
def test_equalize_grid_outgrid_file(grid, expected_grid, region):
"""
Test grdhisteq.equalize_grid with a set outgrid.
"""
with GMTTempFile(suffix=".nc") as tmpfile:
result = grdhisteq.equalize_grid(grid=grid,
divisions=2,
region=region,
outgrid=tmpfile.name)
assert result is None # return value is None
assert os.path.exists(path=tmpfile.name) # check that outgrid exists
temp_grid = load_dataarray(tmpfile.name)
xr.testing.assert_allclose(a=temp_grid, b=expected_grid)
def test_grdgradient_outgrid(grid, expected_grid):
"""
Test the azimuth and direction parameters for grdgradient with a set
outgrid.
"""
with GMTTempFile(suffix=".nc") as tmpfile:
result = grdgradient(grid=grid,
outgrid=tmpfile.name,
azimuth=10,
region=[-53, -49, -20, -17])
assert result is None # return value is None
assert os.path.exists(path=tmpfile.name) # check that outgrid exists
temp_grid = load_dataarray(tmpfile.name)
xr.testing.assert_allclose(a=temp_grid, b=expected_grid)
def test_xyz2grd_input_array_file_out(ship_data, expected_grid):
"""
Run xyz2grd by passing in a numpy array and set an outgrid file.
"""
with GMTTempFile(suffix=".nc") as tmpfile:
result = xyz2grd(
data=ship_data,
spacing=5,
region=[245, 255, 20, 30],
outgrid=tmpfile.name,
)
assert result is None # return value is None
assert os.path.exists(path=tmpfile.name)
temp_grid = load_dataarray(tmpfile.name)
xr.testing.assert_allclose(a=temp_grid, b=expected_grid)
def test_grdproject_file_out(grid, expected_grid):
"""
grdproject with an outgrid set.
"""
with GMTTempFile(suffix=".nc") as tmpfile:
result = grdproject(
grid=grid,
projection="M10c",
outgrid=tmpfile.name,
spacing=3,
region=[-53, -51, -20, -17],
)
assert result is None # return value is None
assert os.path.exists(path=tmpfile.name) # check that outgrid exists
temp_grid = load_dataarray(tmpfile.name)
xr.testing.assert_allclose(a=temp_grid, b=expected_grid)
def test_grdfilter_dataarray_in_file_out(grid, expected_grid):
"""
Test grdfilter with an input DataArray, and output to a grid file.
"""
with GMTTempFile(suffix=".nc") as tmpfile:
result = grdfilter(
grid,
outgrid=tmpfile.name,
filter="g600",
distance="4",
region=[-53, -49, -20, -17],
)
assert result is None # return value is None
assert os.path.exists(path=tmpfile.name) # check that outgrid exists
temp_grid = load_dataarray(tmpfile.name)
xr.testing.assert_allclose(a=temp_grid, b=expected_grid)
def test_dimfilter_outgrid(grid, expected_grid):
"""
Test the required parameters for dimfilter with a set outgrid.
"""
with GMTTempFile(suffix=".nc") as tmpfile:
result = dimfilter(
grid=grid,
outgrid=tmpfile.name,
filter="m600",
distance=4,
sectors="l6",
region=[-55, -51, -24, -19],
)
assert result is None # return value is None
assert os.path.exists(path=tmpfile.name) # check that outgrid exists
temp_grid = load_dataarray(tmpfile.name)
xr.testing.assert_allclose(a=temp_grid, b=expected_grid)
def test_grdclip_outgrid(grid, expected_grid):
"""
Test the below and above parameters for grdclip and creates a test outgrid.
"""
with GMTTempFile(suffix=".nc") as tmpfile:
result = grdclip(
grid=grid,
outgrid=tmpfile.name,
below=[550, -1000],
above=[700, 1000],
region=[-53, -49, -19, -16],
)
assert result is None # return value is None
assert os.path.exists(path=tmpfile.name) # check that outgrid exists
temp_grid = load_dataarray(tmpfile.name)
assert temp_grid.dims == ("lat", "lon")
assert temp_grid.gmt.gtype == 1 # Geographic grid
assert temp_grid.gmt.registration == 1 # Pixel registration
xr.testing.assert_allclose(a=temp_grid, b=expected_grid)
