def test_circle(self):
circ = coord_path.circle((0, 0), -1)
try:
circ.next()
except:
pass
else:
raise Exception("Expected exception")
circ = coord_path.circle((0, 0), 1)
coords = [c for c in circ]
assert_array_almost_equal(coords[0], [1., 0.])
assert_array_almost_equal(coords[-1], [1., 0.])
assert len(coords) > 6
circ = coord_path.circle((1, 1), 1)
assert not np.allclose(circ.next(), [1., 0.])
def test_circle(self):
circ = coord_path.circle((0, 0), -1)
try:
circ.next()
except:
pass
else:
raise Exception("Expected exception")
circ = coord_path.circle((0, 0), 1)
coords = [c for c in circ]
assert_array_almost_equal(coords[0], [1., 0.])
assert_array_almost_equal(coords[-1],[1., 0.])
assert len(coords) > 6
circ = coord_path.circle((1, 1), 1)
assert not np.allclose(circ.next(), [1., 0.])
img[p[:, 0], p[:, 1]] = np.array(col) * 255
def add_line(img, c0, c1, col=[1., 0, 0]):
p = cp.build(cp.line(c0, c1))
add_path(img, p, col)
img = supreme.io.imread(os.path.join(data_path, 'toystory/toystory000.png'))
shape = np.array(img.shape[:2]) - 1
height, width = shape
centre = shape / 2.
add_line(img, (0, 0), centre)
add_line(img, centre, (0, width), [0., 1, 0])
add_line(img, centre, (height, width), [.9, .6, .6])
add_line(img, centre, (height, 0), [.4, .7, .8])
add_path(img, cp.build(cp.circle(centre, 50)), [0.9, 0.9, 0])
add_path(img, cp.build(cp.spline(
((0, 0), (height, 80), (140, 200), (150, 80)))), [0.9, 0.9, 0.9])
add_path(
img,
cp.build(
cp.spline(((0, 0), (height / 2., 0), (height / 2., width),
(height, width)))), [0.6, 0.7, 0.9])
plt.imshow(img, interpolation='nearest')
plt.title('Trajectories of several coordinate paths')
plt.show()
import supreme.io
from supreme.geometry import coord_path as cp
from supreme.config import data_path
def add_path(img,p,col=[1.,0,0]):
img[p[:,0],p[:,1]] = np.array(col)*255
def add_line(img,c0,c1,col=[1.,0,0]):
p = cp.build(cp.line(c0,c1))
add_path(img,p,col)
img = supreme.io.imread(os.path.join(data_path, 'toystory/toystory000.png'))
shape = np.array(img.shape[:2])-1
height,width = shape
centre = shape/2.
add_line(img,(0,0),centre)
add_line(img,centre,(0,width),[0.,1,0])
add_line(img,centre,(height,width),[.9,.6,.6])
add_line(img,centre,(height,0),[.4,.7,.8])
add_path(img,cp.build(cp.circle(centre,50)),[0.9,0.9,0])
add_path(img,cp.build(cp.spline(((0,0),(height,80),(140,200),(150,80)))),
[0.9,0.9,0.9])
add_path(img,cp.build(cp.spline(((0,0),(height/2.,0),(height/2.,width),(height,width)))),
[0.6,0.7,0.9])
plt.imshow(img,interpolation='nearest')
plt.title('Trajectories of several coordinate paths')
plt.show()