def test_get_field_normal(self):
contours = [np.zeros([4, 2]), np.zeros([4, 2]), np.zeros([4, 2])]
polygons = Polygons(contours)
num_points = polygons.get_field('num_points')
num_points[0] = 1
self.assertEqual(num_points, [1, 4, 4])
self.assertEqual(polygons.get_field('num_points'), [4, 4, 4])
def test_get_field_numpy(self):
contours = [np.zeros([4, 2])]
polygons = Polygons(contours)
np_field = [np.zeros([4])]
polygons.add_field('np_field', np_field)
np_field_modified = polygons.get_field('np_field')
np_field_modified[0][0] = 1
np.testing.assert_equal(np_field_modified, np.array([[1, 0, 0, 0]]))
np_field_original = polygons.get_field('np_field')
np.testing.assert_equal(np_field_original, np.array([[0, 0, 0, 0]]))
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_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'])