def test_poly_clip():
x = [0, 1, 2, 1]
y = [0, -1, 0, 1]
yc, xc = polygon_clip(y, x, 0, 0, 1, 1)
assert_equal(polygon_area(yc, xc), 0.5)
x = [-1, 1.5, 1.5, -1]
y = [.5, 0.5, 1.5, 1.5]
yc, xc = polygon_clip(y, x, 0, 0, 1, 1)
assert_equal(polygon_area(yc, xc), 0.5)
def test_poly_clip():
x = [0, 1, 2, 1]
y = [0, -1, 0, 1]
yc, xc = polygon_clip(y, x, 0, 0, 1, 1)
assert_equal(polygon_area(yc, xc), 0.5)
x = [-1, 1.5, 1.5, -1]
y = [.5, 0.5, 1.5, 1.5]
yc, xc = polygon_clip(y, x, 0, 0, 1, 1)
assert_equal(polygon_area(yc, xc), 0.5)
def test_hand_clip():
(r0, c0, r1, c1) = (1.0, 1.5, 2.1, 2.5)
clip_r, clip_c = polygon_clip(hand[:, 1], hand[:, 0], r0, c0, r1, c1)
assert_equal(clip_r.size, 19)
assert_equal(clip_r[0], clip_r[-1])
assert_equal(clip_c[0], clip_c[-1])
(r0, c0, r1, c1) = (1.0, 1.5, 1.7, 2.5)
clip_r, clip_c = polygon_clip(hand[:, 1], hand[:, 0], r0, c0, r1, c1)
assert_equal(clip_r.size, 6)
(r0, c0, r1, c1) = (1.0, 1.5, 1.5, 2.5)
clip_r, clip_c = polygon_clip(hand[:, 1], hand[:, 0], r0, c0, r1, c1)
assert_equal(clip_r.size, 5)
def test_hand_clip():
(r0, c0, r1, c1) = (1.0, 1.5, 2.1, 2.5)
clip_r, clip_c = polygon_clip(hand[:, 1], hand[:, 0], r0, c0, r1, c1)
assert_equal(clip_r.size, 19)
assert_equal(clip_r[0], clip_r[-1])
assert_equal(clip_c[0], clip_c[-1])
(r0, c0, r1, c1) = (1.0, 1.5, 1.7, 2.5)
clip_r, clip_c = polygon_clip(hand[:, 1], hand[:, 0], r0, c0, r1, c1)
assert_equal(clip_r.size, 6)
(r0, c0, r1, c1) = (1.0, 1.5, 1.5, 2.5)
clip_r, clip_c = polygon_clip(hand[:, 1], hand[:, 0], r0, c0, r1, c1)
assert_equal(clip_r.size, 5)
