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Fix major bugs in presort

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This commit is contained in:
jan 2023-10-12 01:29:57 -07:00
parent 1a823a54f3
commit 8f2f672137
1 changed files with 21 additions and 8 deletions
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25
masque/utils/pack2d.py
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@ -26,7 +26,7 @@ def maxrects_bssf(
rejected_inds = set()
if presort:
rotated_sizes = numpy.sort(rect_sizes, axis=0) # shortest side first
rotated_sizes = numpy.sort(rect_sizes, axis=1) # shortest side first
rect_order = numpy.lexsort(rotated_sizes.T)[::-1] # Descending shortest side
rect_sizes = rect_sizes[rect_order]
@ -80,26 +80,34 @@ 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 presort:
unsort_order = rect_order.argsort()
rect_locs = rect_locs[unsort_order]
rejected_inds = set(unsort_order[list(rejected_inds)])
return rect_locs, rejected_inds
def guillotine_bssf_sas(rect_sizes: numpy.ndarray,
regions: numpy.ndarray,
def guillotine_bssf_sas(
rects: ArrayLike,
containers: ArrayLike,
presort: bool = True,
allow_rejects: bool = True,
) -> tuple[numpy.ndarray, set[int]]:
) -> tuple[NDArray[numpy.float64], set[int]]:
"""
sizes should be Nx2
regions should be Mx4 (xmin, ymin, xmax, ymax)
#TODO: test me!
# TODO add rectangle-merge?
"""
rect_sizes = numpy.array(rect_sizes)
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_inds = set()
if presort:
rotated_sizes = numpy.sort(rect_sizes, axis=0) # shortest side first
rotated_sizes = numpy.sort(rect_sizes, axis=1) # shortest side first
rect_order = numpy.lexsort(rotated_sizes.T)[::-1] # Descending shortest side
rect_sizes = rect_sizes[rect_order]
@ -138,6 +146,11 @@ def guillotine_bssf_sas(rect_sizes: numpy.ndarray,
regions = numpy.vstack((regions[:rr], regions[rr + 1:],
new_region0, new_region1))
if presort:
unsort_order = rect_order.argsort()
rect_locs = rect_locs[unsort_order]
rejected_inds = set(unsort_order[list(rejected_inds)])
return rect_locs, rejected_inds