def test_square_hole_shifted_up(self):
self.square_hole = np.roll(self.square_hole, shift=4, axis=0)
outarr = self.square_hole.copy()
larr = field_trace.connected_component_label(self.square_hole, output=outarr)
eq_(id(outarr), id(larr))
ok_(np.all(larr == \
np.array([[1, 1, 1, 0, 2, 2, 2, 0, 1, 1],
[1, 1, 1, 0, 0, 0, 0, 0, 1, 1],
[1, 1, 1, 1, 1, 1, 1, 1, 1, 1],
[1, 1, 1, 1, 1, 1, 1, 1, 1, 1],
[1, 1, 1, 1, 1, 1, 1, 1, 1, 1],
[1, 1, 1, 1, 1, 1, 1, 1, 1, 1],
[1, 1, 1, 1, 1, 1, 1, 1, 1, 1],
[1, 1, 1, 0, 0, 0, 0, 0, 1, 1],
[1, 1, 1, 0, 2, 2, 2, 0, 1, 1],
[1, 1, 1, 0, 2, 2, 2, 0, 1, 1]], dtype=np.int32)))
if 0:
import pylab as pl
pl.ion()
pl.close('all')
pl.imshow(self.square_hole, interpolation='nearest')
pl.figure()
pl.imshow(larr, interpolation='nearest')
raw_input("enter to continue")
def test_cc_label(self):
larr = field_trace.connected_component_label(self.square_hole)
ok_(np.all(larr == \
np.array([[1, 1, 1, 1, 1, 1, 1, 1, 1, 1],
[1, 1, 1, 1, 1, 1, 1, 1, 1, 1],
[1, 1, 1, 1, 1, 1, 1, 1, 1, 1],
[1, 1, 1, 0, 0, 0, 0, 0, 1, 1],
[1, 1, 1, 0, 2, 2, 2, 0, 1, 1],
[1, 1, 1, 0, 2, 2, 2, 0, 1, 1],
[1, 1, 1, 0, 2, 2, 2, 0, 1, 1],
[1, 1, 1, 0, 0, 0, 0, 0, 1, 1],
[1, 1, 1, 1, 1, 1, 1, 1, 1, 1],
[1, 1, 1, 1, 1, 1, 1, 1, 1, 1]], dtype=np.int32)))
if 0:
import pylab as pl
pl.ion()
pl.imshow(larr, cmap='hot', interpolation='nearest')
raw_input("enter to continue")