Hello,
I am a programmer, but not a python guy. So I am a little confused with
the following python code. Specifically what does the ":" do in the
array arithmetic?
new_page = map[opage]
old_page = map[opage^1]
center = new_page[1:-1,1:-1]
origcenter = array(center)
center[:] = old_page[2:,2:]
center += old_page[1:-1,2:]
center += old_page[:-2,2:]
center += old_page[2:,1:-1]
center += old_page[:-2,1:-1]
center += old_page[2:,:-2]
center += old_page[1:-1,:-2]
center += old_page[:-2,:-2]
center >>= 2
center -= origcenter
center -= (center>>density)
Thanks!!
Randy
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