def test_parcel_write(self):
parcelmap = np.zeros(self.img3.shape)
parcelmap[0,0,0] = 1
parcelmap[1,1,1] = 1
parcelmap[2,2,2] = 1
parcelmap[1,2,1] = 2
parcelmap[2,3,2] = 2
parcelmap[0,1,0] = 2
parcelseq = (0, 1, 2, 3)
expected = [np.product(self.img3.shape) - 6, 3, 3, 0]
iterator = gen.parcels(parcelmap, labels=parcelseq)
for i, s in enumerate(iterator):
value = np.arange(expected[i])
self.img3[s] = value
iterator = gen.parcels(parcelmap, labels=parcelseq)
for i, pair in enumerate(gen.data_generator(self.img3, iterator)):
s, d = pair
self.assertEqual((expected[i],), d.shape)
assert_equal(d, np.arange(expected[i]))
iterator = gen.parcels(parcelmap)
for i, s in enumerate(iterator):
value = np.arange(expected[i])
self.img3[s] = value
iterator = gen.parcels(parcelmap)
for i, pair in enumerate(gen.data_generator(self.img3, iterator)):
s, d = pair
self.assertEqual((expected[i],), d.shape)
assert_equal(d, np.arange(expected[i]))
def test_parcel(self):
parcelmap = np.zeros(self.img3.shape)
parcelmap[0,0,0] = 1
parcelmap[1,1,1] = 1
parcelmap[2,2,2] = 1
parcelmap[1,2,1] = 2
parcelmap[2,3,2] = 2
parcelmap[0,1,0] = 2
parcelseq = (0, 1, 2, 3)
expected = [np.product(self.img3.shape) - 6, 3, 3, 0]
iterator = gen.data_generator(self.img3,
gen.parcels(parcelmap, labels=parcelseq))
for i, pair in enumerate(iterator):
s, d = pair
self.assertEqual((expected[i],), d.shape)
iterator = gen.data_generator(self.img3, gen.parcels(parcelmap))
for i, pair in enumerate(iterator):
s, d = pair
self.assertEqual((expected[i],), d.shape)
def test_parcel_copy(self):
parcelmap = np.zeros(self.img3.shape)
parcelmap[0,0,0] = 1
parcelmap[1,1,1] = 1
parcelmap[2,2,2] = 1
parcelmap[1,2,1] = 2
parcelmap[2,3,2] = 2
parcelmap[0,1,0] = 2
parcelseq = (0, 1, 2, 3)
expected = [np.product(self.img3.shape) - 6, 3, 3, 0]
iterator = gen.parcels(parcelmap, labels=parcelseq)
tmp = Image(np.asarray(self.img3), self.img3.coordmap)
gen_parcels = gen.parcels(parcelmap, labels=parcelseq)
new_iterator = gen.data_generator(tmp, gen_parcels)
for i, slice_ in enumerate(new_iterator):
self.assertEqual((expected[i],), slice_[1].shape)
