This figure illustrates the gray-scale radial opening.
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from morph import *
from handson import mmropen
from Numeric import arange
f=mmreadgray('pasta.jpg');
g=mmropen(f,65,arange(0,175,15))
Warning: Converting input image from int32 to uint8.
mmshow(f)
mmshow(g)
mmshow(mmsurf(f))
mmshow(mmsurf(g))
