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Fixed database typo and removed unnecessary class identifier.

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Batuhan Berk Başoğlu 2020-10-14 10:10:37 -04:00
parent 00ad49a143
commit 45fb349a7d
5098 changed files with 952558 additions and 85 deletions
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venv/Lib/site-packages/skimage/graph/tests/test_anisotropy.py Normal file
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import numpy as np
import skimage.graph.mcp as mcp
from skimage._shared.testing import assert_array_equal
a = np.ones((8, 8), dtype=np.float32)
horizontal_ramp = np.array([[ 0., 1., 2., 3., 4., 5., 6., 7.,],
[ 0., 1., 2., 3., 4., 5., 6., 7.,],
[ 0., 1., 2., 3., 4., 5., 6., 7.,],
[ 0., 1., 2., 3., 4., 5., 6., 7.,],
[ 0., 1., 2., 3., 4., 5., 6., 7.,],
[ 0., 1., 2., 3., 4., 5., 6., 7.,],
[ 0., 1., 2., 3., 4., 5., 6., 7.,],
[ 0., 1., 2., 3., 4., 5., 6., 7.,]])
vertical_ramp = np.array( [[ 0., 0., 0., 0., 0., 0., 0., 0.,],
[ 1., 1., 1., 1., 1., 1., 1., 1.,],
[ 2., 2., 2., 2., 2., 2., 2., 2.,],
[ 3., 3., 3., 3., 3., 3., 3., 3.,],
[ 4., 4., 4., 4., 4., 4., 4., 4.,],
[ 5., 5., 5., 5., 5., 5., 5., 5.,],
[ 6., 6., 6., 6., 6., 6., 6., 6.,],
[ 7., 7., 7., 7., 7., 7., 7., 7.,]])
def test_anisotropy():
# Create seeds; vertical seeds create a horizonral ramp
seeds_for_horizontal = [(i, 0) for i in range(8)]
seeds_for_vertcal = [(0, i) for i in range(8)]
for sy in range(1, 5):
for sx in range(1, 5):
sampling = sy, sx
# Trace horizontally
m1 = mcp.MCP_Geometric(a, sampling=sampling, fully_connected=True)
costs1, traceback = m1.find_costs(seeds_for_horizontal)
# Trace vertically
m2 = mcp.MCP_Geometric(a, sampling=sampling, fully_connected=True)
costs2, traceback = m2.find_costs(seeds_for_vertcal)
# Check
assert_array_equal(costs1, horizontal_ramp * sx)
assert_array_equal(costs2, vertical_ramp * sy)