[英]How to get index from itertools.product
# loop through every NxN cell in the target image
for (blk_row, blk_col) in itertools.product(xrange(0, height -
(cell_size - 1), cell_size), xrange(0, width - (cell_size - 1), cell_size)):
where N = cellsize, would it be valid to divide by cellsize to get an index?其中 N = cellsize,除以 cellsize 以获得索引是否有效?
To get the index for any iterator use enumerate
:要获取任何迭代器的索引,请使用
enumerate
:
for index, (blk_row, blk_col) in enumerate(itertools.product(
xrange(0, height - (cell_size - 1), cell_size),
xrange(0, width - (cell_size - 1), cell_size))):
除以 cell_size 似乎有效,手指交叉。
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