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PEP8 fixes for test_radon_transform

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Jostein Bø Fløystad
2013-06-02 20:08:34 +02:00
parent 1860fc4a3f
commit f533f5351b
1 changed files with 6 additions and 4 deletions
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skimage/transform/tests/test_radon_transform.py
+6 -4
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@@ -35,12 +35,14 @@ def test_radon_iradon():
assert delta < 0.05
reconstructed = iradon(radon(image), filter="ramp", interpolation="nearest")
reconstructed = iradon(radon(image), filter="ramp",
interpolation="nearest")
delta = np.mean(abs(image - reconstructed))
assert delta < 0.05
size = 20
image = np.tri(size) + np.tri(size)[::-1]
reconstructed = iradon(radon(image), filter="ramp", interpolation="nearest")
reconstructed = iradon(radon(image), filter="ramp",
interpolation="nearest")
def test_iradon_angles():
@@ -53,14 +55,14 @@ def test_iradon_angles():
# Large number of projections: a good quality is expected
nb_angles = 200
radon_image_200 = radon(image, theta=np.linspace(0, 180, nb_angles,
endpoint=False))
endpoint=False))
reconstructed = iradon(radon_image_200)
delta_200 = np.mean(abs(rescale(image) - rescale(reconstructed)))
assert delta_200 < 0.03
# Lower number of projections
nb_angles = 80
radon_image_80 = radon(image, theta=np.linspace(0, 180, nb_angles,
endpoint=False))
endpoint=False))
# Test whether the sum of all projections is approximately the same
s = radon_image_80.sum(axis=0)
assert np.allclose(s, s[0], rtol=0.01)