satpy.tests.test_resample module

Unittests for resamplers.

class satpy.tests.test_resample.TestBilinearResampler(methodName='runTest')

Bases: TestCase

Test the bilinear resampler.

Create an instance of the class that will use the named test method when executed. Raises a ValueError if the instance does not have a method with the specified name.

test_bil_resampling(xr_resampler, create_filename, move_existing_caches)

Test the bilinear resampler.

test_move_existing_caches()

Test that existing caches are moved to a subdirectory.

class satpy.tests.test_resample.TestBucketAvg(methodName='runTest')

Bases: TestCase

Test the bucket resampler.

Create an instance of the class that will use the named test method when executed. Raises a ValueError if the instance does not have a method with the specified name.

setUp()

Create fake area definitions and resampler to be tested.

test_compute()

Test bucket resampler computation.

test_compute_and_not_use_skipna_handling()

Test bucket resampler computation and not use skipna handling.

test_compute_and_use_skipna_handling()

Test bucket resampler computation and use skipna handling.

test_init()

Test bucket resampler initialization.

test_precompute(bucket)

Test bucket resampler precomputation.

test_resample(pyresample_bucket)

Test bucket resamplers resample method.

class satpy.tests.test_resample.TestBucketCount(methodName='runTest')

Bases: TestCase

Test the count bucket resampler.

Create an instance of the class that will use the named test method when executed. Raises a ValueError if the instance does not have a method with the specified name.

setUp()

Create fake area definitions and resampler to be tested.

test_compute()

Test count bucket resampler computation.

class satpy.tests.test_resample.TestBucketFraction(methodName='runTest')

Bases: TestCase

Test the fraction bucket resampler.

Create an instance of the class that will use the named test method when executed. Raises a ValueError if the instance does not have a method with the specified name.

setUp()

Create fake area definitions and resampler to be tested.

test_compute()

Test fraction bucket resampler computation.

test_resample(pyresample_bucket)

Test fraction bucket resamplers resample method.

class satpy.tests.test_resample.TestBucketSum(methodName='runTest')

Bases: TestCase

Test the sum bucket resampler.

Create an instance of the class that will use the named test method when executed. Raises a ValueError if the instance does not have a method with the specified name.

setUp()

Create fake area definitions and resampler to be tested.

test_compute()

Test sum bucket resampler computation.

test_compute_and_not_use_skipna_handling()

Test bucket resampler computation and not use skipna handling.

test_compute_and_use_skipna_handling()

Test bucket resampler computation and use skipna handling.

class satpy.tests.test_resample.TestCoordinateHelpers(methodName='runTest')

Bases: TestCase

Test various utility functions for working with coordinates.

Create an instance of the class that will use the named test method when executed. Raises a ValueError if the instance does not have a method with the specified name.

test_area_def_coordinates()

Test coordinates being added with an AreaDefinition.

test_swath_def_coordinates()

Test coordinates being added with an SwathDefinition.

class satpy.tests.test_resample.TestEWAResampler(methodName='runTest')

Bases: TestCase

Test EWA resampler class.

Create an instance of the class that will use the named test method when executed. Raises a ValueError if the instance does not have a method with the specified name.

test_2d_ewa(get_lonlats, ll2cr, fornav)

Test EWA with a 2D dataset.

test_3d_ewa(get_lonlats, ll2cr, fornav)

Test EWA with a 3D dataset.

class satpy.tests.test_resample.TestHLResample(methodName='runTest')

Bases: TestCase

Test the higher level resampling functions.

Create an instance of the class that will use the named test method when executed. Raises a ValueError if the instance does not have a method with the specified name.

test_type_preserve()

Check that the type of resampled datasets is preserved.

class satpy.tests.test_resample.TestKDTreeResampler(methodName='runTest')

Bases: TestCase

Test the kd-tree resampler.

Create an instance of the class that will use the named test method when executed. Raises a ValueError if the instance does not have a method with the specified name.

test_check_numpy_cache(xr_Dataset, np_load)

Test that cache stored in .npz is converted to zarr.

test_kd_resampling(xr_resampler, create_filename, zarr_open, xr_dset, cnc)

Test the kd resampler.

class satpy.tests.test_resample.TestNativeResampler(methodName='runTest')

Bases: TestCase

Tests for the ‘native’ resampling method.

Create an instance of the class that will use the named test method when executed. Raises a ValueError if the instance does not have a method with the specified name.

test_expand_dims()

Test expanding native resampling with 2D data.

test_expand_dims_3d()

Test expanding native resampling with 3D data.

test_expand_reduce()

Test class method ‘expand_reduce’ basics.

test_expand_without_dims()

Test expanding native resampling with no dimensions specified.

test_expand_without_dims_4D()

Test expanding native resampling with 4D data with no dimensions specified.

satpy.tests.test_resample.get_test_data(input_shape=(100, 50), output_shape=(200, 100), output_proj=None, input_dims=('y', 'x'))

Get common data objects used in testing.

Returns

• input_data_on_area: DataArray with dimensions as if it is a gridded dataset.

• input_area_def: AreaDefinition of the above DataArray

• input_data_on_swath: DataArray with dimensions as if it is a swath.

• input_swath: SwathDefinition of the above DataArray

• target_area_def: AreaDefinition to be used as a target for resampling

Return type

tuple