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14e8b5987b
* Allow sample_gen to take ndarrays again. And fix a test filename. Resolves #2515 * Run workflow on maint-1.3 branch
60 lines
1.9 KiB
Python
60 lines
1.9 KiB
Python
import numpy
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import rasterio
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def test_sampling():
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with rasterio.open('tests/data/RGB.byte.tif') as src:
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data = next(src.sample([(220650.0, 2719200.0)]))
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assert list(data) == [18, 25, 14]
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def test_sampling_beyond_bounds():
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with rasterio.open('tests/data/RGB.byte.tif') as src:
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data = next(src.sample([(-10, 2719200.0)]))
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assert list(data) == [0, 0, 0]
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def test_sampling_beyond_bounds_no_nodata():
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with rasterio.open('tests/data/RGB2.byte.tif') as src:
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data = next(src.sample([(-10, 2719200.0)]))
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assert list(data) == [0, 0, 0]
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def test_sampling_beyond_bounds_masked():
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with rasterio.open('tests/data/RGBA.byte.tif') as src:
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data = next(src.sample([(-10, 2719200.0)], masked=True))
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assert list(data.mask) == [True, True, True, False]
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def test_sampling_beyond_bounds_nan():
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with rasterio.open('tests/data/float_nan.tif') as src:
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data = next(src.sample([(-10, 0.0)]))
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assert numpy.isnan(data)
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def test_sampling_indexes():
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with rasterio.open('tests/data/RGB.byte.tif') as src:
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data = next(src.sample([(220650.0, 2719200.0)], indexes=[2]))
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assert list(data) == [25]
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def test_sampling_single_index():
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with rasterio.open('tests/data/RGB.byte.tif') as src:
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data = next(src.sample([(220650.0, 2719200.0)], indexes=2))
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assert list(data) == [25]
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def test_sampling_type():
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"""See https://github.com/rasterio/rasterio/issues/378."""
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with rasterio.open('tests/data/RGB.byte.tif') as src:
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sampler = src.sample([(220650.0, 2719200.0)], indexes=[2])
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assert type(sampler)
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def test_sampling_ndarray():
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"""sample and sample_gen can take ndarrays of coords."""
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with rasterio.open('tests/data/RGB.byte.tif') as src:
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data = next(src.sample(numpy.array([[220650.0, 2719200.0]])))
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assert list(data) == [18, 25, 14]
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