def test_overlap_merger_thresholds(self):
"""
(BlockMerger) overlap merger, varying thresholds
"""
# center circle, 8 neighbors, padding 3
sources, keys, mask = self.generateSources(padding=3)
# low threshold, all merged
alg = OverlapBlockMerger(overlap=0.1)
m = alg.merge(sources, keys)
assert(m.count == 1)
assert(array_equal(m[0].mask((30, 30)), mask))
# high threshold, none merged
alg = OverlapBlockMerger(overlap=0.5)
m = alg.merge(sources, keys)
assert(m.count == 9)
assert(array_equal(m.masks((30, 30)), mask))
# center circle, 8 neighbors, padding 5
# higher threshold, still all merged
sources, keys, mask = self.generateSources(padding=5)
alg = OverlapBlockMerger(overlap=0.2)
m = alg.merge(sources, keys)
assert(m.count == 1)
assert(array_equal(m[0].mask((30, 30)), mask))
def test_overlap_merger(self):
"""
(BlockMerger) overlap merger
"""
# center circle, 8 neighbors, padding 7
sources, keys, mask = self.generateSources(padding=7)
alg = OverlapBlockMerger(overlap=0.5)
m = alg.merge(sources, keys)
assert(m.count == 1)
assert(array_equal(m[0].mask((30, 30)), mask))
# left center
sources, keys, mask = self.generateSources(center=(15, 5), padding=7)
alg = OverlapBlockMerger(overlap=0.5)
m = alg.merge(sources, keys)
assert(m.count == 1)
assert(array_equal(m[0].mask((30, 30)), mask))
# right center
sources, keys, mask = self.generateSources(center=(15, 24), padding=7)
alg = OverlapBlockMerger(overlap=0.5)
m = alg.merge(sources, keys)
assert(m.count == 1)
assert(array_equal(m[0].mask((30, 30)), mask))
