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33 lines
1.2 KiB
Python
33 lines
1.2 KiB
Python
import rasterio
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from rasterio import transform
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def test_window_transform():
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with rasterio.open('tests/data/RGB.byte.tif') as src:
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assert src.window_transform(((0, None), (0, None))) == src.affine
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assert src.window_transform(((None, None), (None, None))) == src.affine
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assert src.window_transform(
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((1, None), (1, None))).c == src.bounds.left + src.res[0]
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assert src.window_transform(
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((1, None), (1, None))).f == src.bounds.top - src.res[1]
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assert src.window_transform(
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((-1, None), (-1, None))).c == src.bounds.left - src.res[0]
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assert src.window_transform(
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((-1, None), (-1, None))).f == src.bounds.top + src.res[1]
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def test_from_origin():
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with rasterio.open('tests/data/RGB.byte.tif') as src:
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w, n = src.ul(0, 0)
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xs, ys = src.res
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tr = transform.from_origin(w, n, xs, ys)
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assert [round(v, 7) for v in tr] == [round(v, 7) for v in src.affine]
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def test_from_bounds():
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with rasterio.open('tests/data/RGB.byte.tif') as src:
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w, s, e, n = src.bounds
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tr = transform.from_bounds(w, s, e, n, src.width, src.height)
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assert [round(v, 7) for v in tr] == [round(v, 7) for v in src.affine]
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