def test_get_data(self):
contours = [np.zeros([4, 2])]
polygons = Polygons(contours)
contours_modified = polygons.get_contours()
contours_modified[0][0][0] = 1
np.testing.assert_equal(contours_modified,
np.array([[[1, 0], [0, 0], [0, 0], [0, 0]]]))
contours_original = polygons.get_contours()
np.testing.assert_equal(contours_original,
np.array([[[0, 0], [0, 0], [0, 0], [0, 0]]]))
def test_set_data(self):
contours = [np.zeros([4, 2])]
polygons = Polygons(contours)
polygons.set_contours([np.ones([4, 2])])
contours = polygons.get_contours()
np.testing.assert_equal(contours,
np.array([[[1, 1], [1, 1], [1, 1], [1, 1]]]))
def test_get(self):
contours = [
np.array([[2., 1.], [1., 3.], [3., 5.], [4., 2.]]),
np.array([[0.5, 0.5], [10.5, 0.5], [10.5, 10.5]]),
np.array([[10, 0], [10, 20], [0, 10], [20, 10], [20, 20]])
]
polygons = Polygons(contours)
polygons.add_field('training_tag', [True, False, True])
polygon = polygons.get(1)
np.testing.assert_equal(
polygon['contour'],
np.array([[0.5, 0.5], [10.5, 0.5], [10.5, 10.5]]))
self.assertEqual(polygon['fields']['training_tag'], False)
self.assertEqual(polygon['fields']['num_points'], 3)
polygon['fields']['training_tag'] = True
polygon['contour'] = np.array([[10, 0], [10, 20], [0, 10], [20, 10],
[20, 20]])
np.testing.assert_equal(polygons.get_contours(), [
np.array([[2., 1.], [1., 3.], [3., 5.], [4., 2.]]),
np.array([[0.5, 0.5], [10.5, 0.5], [10.5, 10.5]]),
np.array([[10, 0], [10, 20], [0, 10], [20, 10], [20, 20]])
])
self.assertEqual(polygons.get_field('training_tag'),
[True, False, True])
def test_delete(self):
contours = [
np.array([[2., 1.], [1., 3.], [3., 5.], [4., 2.]]),
np.array([[0.5, 0.5], [10.5, 0.5], [10.5, 10.5]]),
np.array([[10, 0], [10, 20], [0, 10], [20, 10], [20, 20]])
]
polygons = Polygons(contours)
polygons.add_field('training_tag', [True, False, True])
polygons.delete([0, 2])
np.testing.assert_equal(polygons.get_contours(), [contours[1]])
def test_fliter_small(self):
contours = [
np.array([[2., 1.], [1., 3.], [3., 5.], [4., 2.]]),
np.array([[0.5, 0.5], [10.5, 0.5], [10.5, 10.5]]),
np.array([[10, 0], [10, 20], [0, 10], [20, 10], [20, 20]])
]
polygons = Polygons(contours)
polygons.fliter_small(10)
np.testing.assert_equal(polygons.get_field('training_tag'),
np.array([False, True, True]))
np.testing.assert_equal(polygons.get_contours(), contours)
def test_fliter_out(self):
contours = [
np.array([[20, 10], [10, 30], [30, 50], [40, 20]]),
np.array([[0, 0], [10, 0], [10, 10]]),
np.array([[10, 0], [10, 20], [0, 10], [20, 10], [20, 20]])
]
polygons = Polygons(contours)
window = np.array([[0, 0], [20, 20]])
polygons.fliter_out(window)
np.testing.assert_equal(polygons.get_field('training_tag'),
np.array([False, True, False]))
np.testing.assert_equal(polygons.get_contours(), contours)
def test_copy(self):
contours = [np.zeros([4, 2]), np.zeros([4, 2]), np.zeros([4, 2])]
polygons = Polygons(contours)
field = ['s', 's', 's']
polygons.add_field('field', field)
p = polygons.copy()
np.testing.assert_equal(p.get_contours(), contours)
self.assertEqual(p.get_field('num_points'), [4, 4, 4])
self.assertEqual(p.get_field('field'), ['s', 's', 's'])
p.set_contours([np.ones([4, 2]), np.ones([4, 2]), np.ones([4, 2])])
p.set_field('field', ['w', 'w', 'w'])
np.testing.assert_equal(polygons.get_contours(), contours)
self.assertEqual(polygons.get_field('field'), ['s', 's', 's'])
def test_scale_and_pad_recover(self):
contours = [
np.array([[5, 2], [7, 10], [9, 4], [3, 6]]),
np.array([[1, 0], [3, 0], [3, 2]]),
np.array([[3, 0], [3, 4], [1, 2], [5, 2], [5, 4]])
]
polygons = Polygons(contours)
polygons.scale_and_pad([0.5, 0.5], [-1, 0], recover=True)
target_contours = [
np.array([[2, 1], [3, 5], [4, 2], [1, 3]]),
np.array([[0, 0], [1, 0], [1, 1]]),
np.array([[1, 0], [1, 2], [0, 1], [2, 1], [2, 2]])
]
np.testing.assert_equal(polygons.get_contours(), target_contours)
def test_scale_and_pad_with_single_scale(self):
contours = [
np.array([[2, 1], [3, 5], [4, 2], [1, 3]]),
np.array([[0, 0], [1, 0], [1, 1]]),
np.array([[1, 0], [1, 2], [0, 1], [2, 1], [2, 2]])
]
polygons = Polygons(contours)
polygons.scale_and_pad(2, [1, 0])
target_contours = [
np.array([[5, 2], [7, 10], [9, 4], [3, 6]]),
np.array([[1, 0], [3, 0], [3, 2]]),
np.array([[3, 0], [3, 4], [1, 2], [5, 2], [5, 4]])
]
np.testing.assert_equal(polygons.get_contours(), target_contours)
def test_scale_and_pad_0(self):
contours = []
polygons = Polygons(contours)
polygons.scale_and_pad([2, 2], [1, 0])
np.testing.assert_equal(polygons.get_contours(), [])