def test_simplify_min(self):
# A line
x_data = [1, 2]
y_data = [1, 2]
x = np.array(x_data)
y = np.array(y_data)
sx, sy = simplify_geometry(x, y, 0.0)
self.assertIs(sx, x)
self.assertIs(sy, y)
# A line string
x_data = [1, 2, 3]
y_data = [1, 2, 3]
x = np.array(x_data)
y = np.array(y_data)
sx, sy = simplify_geometry(x, y, 0.0)
self.assertEqual((sx.size, sy.size), (2, 2))
self.assertEqual(list(sx), [1, 3])
self.assertEqual(list(sy), [1, 3])
# A square (ring)
x_data = [1, 3, 3, 1, 1]
y_data = [1, 1, 3, 3, 1]
x = np.array(x_data)
y = np.array(y_data)
sx, sy = simplify_geometry(x, y, 0.0)
self.assertEqual((sx.size, sy.size), (4, 4))
self.assertEqual(list(sx), [1, 3, 1, 1])
self.assertEqual(list(sy), [1, 3, 3, 1])
def test_simplify_min(self):
# A line
x_data = [1, 2]
y_data = [1, 2]
x = np.array(x_data)
y = np.array(y_data)
sx, sy = simplify_geometry(x, y, 0.0)
self.assertIs(sx, x)
self.assertIs(sy, y)
# A line string
x_data = [1, 2, 3]
y_data = [1, 2, 3]
x = np.array(x_data)
y = np.array(y_data)
sx, sy = simplify_geometry(x, y, 0.0)
self.assertEqual((sx.size, sy.size), (2, 2))
self.assertEqual(list(sx), [1, 3])
self.assertEqual(list(sy), [1, 3])
# A square (ring)
x_data = [1, 3, 3, 1, 1]
y_data = [1, 1, 3, 3, 1]
x = np.array(x_data)
y = np.array(y_data)
sx, sy = simplify_geometry(x, y, 0.0)
self.assertEqual((sx.size, sy.size), (4, 4))
self.assertEqual(list(sx), [1, 3, 1, 1])
self.assertEqual(list(sy), [1, 3, 3, 1])
def test_simplify_square(self):
x_data = [1, 2, 3, 3, 3, 2, 1, 1, 1]
y_data = [1, 1, 1, 2, 3, 3, 3, 2, 1]
#
# 3 o----o----o 3 o---------o
# | | | |
# 2 o o ==> 2 | |
# | | | |
# 1 o----o----o 1 o---------o
# 1 2 3 1 2 3
#
x = np.array(x_data)
y = np.array(y_data)
sx, sy = simplify_geometry(x, y, 5. / 9.)
self.assertEqual((sx.size, sy.size), (5, 5))
self.assertEqual(list(sx), [1, 3, 3, 1, 1])
self.assertEqual(list(sy), [1, 1, 3, 3, 1])
#
# 3 o----o----o 3 o----o----o
# | | | |
# 2 o o ==> 2 o |
# | | | |
# 1 o----o----o 1 o---------o
# 1 2 3 1 2 3
#
x = np.array(x_data)
y = np.array(y_data)
sx, sy = simplify_geometry(x, y, 7. / 9.)
self.assertEqual((sx.size, sy.size), (7, 7))
self.assertEqual(list(sx), [1, 3, 3, 2, 1, 1, 1])
self.assertEqual(list(sy), [1, 1, 3, 3, 3, 2, 1])
#
# 3 o----o----o 3 o----------o
# | | | _/
# 2 o o ==> 2 | _/
# | | | _/
# 1 o----o----o 1 o
# 1 2 3 1 2 3
#
x = np.array(x_data)
y = np.array(y_data)
sx, sy = simplify_geometry(x, y, 4. / 9.)
self.assertEqual((sx.size, sy.size), (4, 4))
self.assertEqual(list(sx), [1, 3, 1, 1])
self.assertEqual(list(sy), [1, 3, 3, 1])
def test_simplify_square(self):
x_data = [1, 2, 3, 3, 3, 2, 1, 1, 1]
y_data = [1, 1, 1, 2, 3, 3, 3, 2, 1]
#
# 3 o----o----o 3 o---------o
# | | | |
# 2 o o ==> 2 | |
# | | | |
# 1 o----o----o 1 o---------o
# 1 2 3 1 2 3
#
x = np.array(x_data)
y = np.array(y_data)
sx, sy = simplify_geometry(x, y, 5. / 9.)
self.assertEqual((sx.size, sy.size), (5, 5))
self.assertEqual(list(sx), [1, 3, 3, 1, 1])
self.assertEqual(list(sy), [1, 1, 3, 3, 1])
#
# 3 o----o----o 3 o----o----o
# | | | |
# 2 o o ==> 2 o |
# | | | |
# 1 o----o----o 1 o---------o
# 1 2 3 1 2 3
#
x = np.array(x_data)
y = np.array(y_data)
sx, sy = simplify_geometry(x, y, 7. / 9.)
self.assertEqual((sx.size, sy.size), (7, 7))
self.assertEqual(list(sx), [1, 3, 3, 2, 1, 1, 1])
self.assertEqual(list(sy), [1, 1, 3, 3, 3, 2, 1])
#
# 3 o----o----o 3 o----------o
# | | | _/
# 2 o o ==> 2 | _/
# | | | _/
# 1 o----o----o 1 o
# 1 2 3 1 2 3
#
x = np.array(x_data)
y = np.array(y_data)
sx, sy = simplify_geometry(x, y, 4. / 9.)
self.assertEqual((sx.size, sy.size), (4, 4))
self.assertEqual(list(sx), [1, 3, 1, 1])
self.assertEqual(list(sy), [1, 3, 3, 1])
def test_simplify_none(self):
# A triangle (ring)
x_data = [1, 3, 3, 1]
y_data = [1, 1, 3, 1]
x = np.array(x_data)
y = np.array(y_data)
sx, sy = simplify_geometry(x, y, 1.0)
self.assertIs(sx, x)
self.assertIs(sy, y)
# A square (ring)
x_data = [1, 3, 3, 1, 1]
y_data = [1, 1, 3, 3, 1]
x = np.array(x_data)
y = np.array(y_data)
sx, sy = simplify_geometry(x, y, 1.0)
self.assertIs(sx, x)
self.assertIs(sy, y)
def test_simplify_none(self):
# A triangle (ring)
x_data = [1, 3, 3, 1]
y_data = [1, 1, 3, 1]
x = np.array(x_data)
y = np.array(y_data)
sx, sy = simplify_geometry(x, y, 1.0)
self.assertIs(sx, x)
self.assertIs(sy, y)
# A square (ring)
x_data = [1, 3, 3, 1, 1]
y_data = [1, 1, 3, 3, 1]
x = np.array(x_data)
y = np.array(y_data)
sx, sy = simplify_geometry(x, y, 1.0)
self.assertIs(sx, x)
self.assertIs(sy, y)