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return a set of rejected indices

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Jan Petykiewicz 2021-05-16 14:59:34 -07:00 committed by jan
parent fc1a0f5a5a
commit a9e3bf8b2a
1 changed files with 5 additions and 11 deletions
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16
masque/utils/pack2d.py
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@ -1,7 +1,7 @@
"""
2D bin-packing
"""
from typing import Tuple
from typing import Tuple, List, Set, Sequence
import numpy
from numpy.typing import NDArray, ArrayLike
@ -14,7 +14,7 @@ def maxrects_bssf(
containers: ArrayLike,
presort: bool = True,
allow_rejects: bool = True,
) -> Tuple[NDArray[numpy.float64], NDArray[numpy.float64]]:
) -> Tuple[NDArray[numpy.float64], Set[int]]
"""
sizes should be Nx2
regions should be Mx4 (xmin, ymin, xmax, ymax)
@ -22,7 +22,7 @@ def maxrects_bssf(
regions = numpy.array(containers, copy=False, dtype=float)
rect_sizes = numpy.array(rects, copy=False, dtype=float)
rect_locs = numpy.zeros_like(rect_sizes)
rejected_rects = []
rejected_inds = set()
if presort:
rotated_sizes = numpy.sort(rect_sizes, axis=0) # shortest side first
@ -48,7 +48,7 @@ def maxrects_bssf(
rr = bssf_scores.argmin()
if numpy.isinf(bssf_scores[rr]):
if allow_rejects:
rejected_rects.append(rect_ind)
rejected_inds.add(rect_ind)
continue
else:
raise MasqueError(f'Failed to find a suitable location for rectangle {rect_ind}')
@ -79,10 +79,4 @@ def maxrects_bssf(
r_top[:, 1] = loc[1] + rect_size[1]
regions = numpy.vstack((regions[~intersects], r_lft, r_bot, r_rgt, r_top))
if rejected_rects:
rejected_rects_arr = numpy.vstack(rejected_rects)
else:
rejected_rects_arr = numpy.empty((0, 2))
return rect_locs, rejected_rects_arr
return rect_locs, rejected_inds