27 lines
767 B
Python
27 lines
767 B
Python
from itertools import groupby
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from funcy import compose, second
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from image_prediction.stitching.utils import make_coord_getter
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def group_by_coordinate(pairs, coord_getter):
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pairs = sorted(pairs, key=coord_getter)
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return map(compose(list, second), groupby(pairs, coord_getter))
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class CoordGrouper:
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def __init__(self, axis):
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self.c1_getter = make_coord_getter(f"{other_axis(axis)}1")
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self.c2_getter = make_coord_getter(f"{other_axis(axis)}2")
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def group_pairs_by_lesser_coordinate(self, pairs):
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return group_by_coordinate(pairs, self.c1_getter)
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def group_pairs_by_greater_coordinate(self, pairs):
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return group_by_coordinate(pairs, self.c2_getter)
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def other_axis(axis):
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return "y" if axis == "x" else "x"
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