def iaopentransf(f,
type='OCTAGON',
n=65535,
Bc=iasecross(),
Buser=iasecross()):
from iaisbinary import iaisbinary
from iabinary import iabinary
from iaisequal import iaisequal
from iaopen import iaopen
from iasesum import iasesum
from iasedisk import iasedisk
from iaaddm import iaaddm
from iagray import iagray
from iagrain import iagrain
from ialabel import ialabel
assert iaisbinary(f), 'Error: input image is not binary'
type = upper(type)
rec_flag = find(type, '-REC')
if rec_flag != -1:
type = type[:rec_flag] # remove the -rec suffix
flag = not ((type == 'OCTAGON') or (type == 'CHESSBOARD') or
(type == 'CITY-BLOCK'))
if not flag:
n = min(n, min(f.shape))
elif type == 'LINEAR-H':
se = iabinary([1, 1, 1])
n = min(n, f.shape[1])
elif type == 'LINEAR-V':
se = iabinary([[1], [1], [1]])
n = min(n, f.shape[0])
elif type == 'LINEAR-45R':
se = iabinary([[0, 0, 1], [0, 1, 0], [1, 0, 0]])
n = min(n, min(f.shape))
elif type == 'LINEAR-45L':
se = iabinary([[1, 0, 0], [0, 1, 0], [0, 0, 1]])
n = min(n, min(f.shape))
elif type == 'USER':
se = Buser
n = min(n, min(f.shape))
else:
print 'Error: only accepts OCTAGON, CHESSBOARD, CITY-BLOCK, LINEAR-H, LINEAR-V, LINEAR-45R, LINEAR-45L, or USER as type, or with suffix -REC.'
return []
k = 0
y = uint16(zeros(f.shape))
a = iabinary([1])
z = iabinary([0])
while not (iaisequal(a, z) or (k >= n)):
print 'processing r=', k
if flag:
a = iaopen(f, iasesum(se, k))
else:
a = iaopen(f, iasedisk(k, '2D', type))
y = iaaddm(y, iagray(a, 'uint16', 1))
k = k + 1
if rec_flag != -1:
y = iagrain(ialabel(f, Bc), y, 'max')
return y
def iaopentransf(f, type='OCTAGON', n=65535, Bc=iasecross(), Buser=iasecross()):
from iaisbinary import iaisbinary
from iabinary import iabinary
from iaisequal import iaisequal
from iaopen import iaopen
from iasesum import iasesum
from iasedisk import iasedisk
from iaaddm import iaaddm
from iagray import iagray
from iagrain import iagrain
from ialabel import ialabel
assert iaisbinary(f),'Error: input image is not binary'
type = upper(type)
rec_flag = find(type,'-REC')
if rec_flag != -1:
type = type[:rec_flag] # remove the -rec suffix
flag = not ((type == 'OCTAGON') or
(type == 'CHESSBOARD') or
(type == 'CITY-BLOCK'))
if not flag:
n = min(n,min(f.shape))
elif type == 'LINEAR-H':
se = iabinary([1, 1, 1])
n = min(n,f.shape[1])
elif type =='LINEAR-V':
se = iabinary([[1],[1],[1]])
n = min(n,f.shape[0])
elif type == 'LINEAR-45R':
se = iabinary([[0, 0, 1],[0, 1, 0],[1, 0, 0]])
n = min(n,min(f.shape))
elif type == 'LINEAR-45L':
se = iabinary([[1, 0, 0],[0, 1, 0],[0, 0, 1]])
n = min(n,min(f.shape))
elif type == 'USER':
se = Buser
n = min(n,min(f.shape))
else:
print 'Error: only accepts OCTAGON, CHESSBOARD, CITY-BLOCK, LINEAR-H, LINEAR-V, LINEAR-45R, LINEAR-45L, or USER as type, or with suffix -REC.'
return []
k = 0
y = uint16(zeros(f.shape))
a = iabinary([1])
z = iabinary([0])
while not ( iaisequal(a,z) or (k>=n)):
print 'processing r=',k
if flag:
a = iaopen(f,iasesum(se,k))
else:
a = iaopen(f,iasedisk(k,'2D',type))
y = iaaddm(y, iagray(a,'uint16',1))
k = k+1
if rec_flag != -1:
y = iagrain( ialabel(f,Bc),y,'max')
return y
def iabshow(f1, f2=None, f3=None, factor=17):
from iabinary import iabinary
from iaframe import iaframe
from iadil import iadil
from iaunion import iaunion
from iasedisk import iasedisk
from iaserot import iaserot
from iasecross import iasecross
from iasesum import iasesum
assert f1.dtype == bool, 'f1 must be boolean image'
factor = max(factor, 9)
hfactor = factor / 2
if size(f1.shape) == 1:
f1 = f1[newaxis, :]
if f2 != None: f2 = f2[newaxis, :]
if f3 != None: f3 = f3[newaxis, :]
bz = zeros(factor * array(f1.shape)).astype(bool)
b0 = asarray(bz)
b0[hfactor::factor, hfactor::factor] = f1
fr1 = iaframe(zeros((factor, factor), bool))
fr1 = iadil(b0, fr1)
if f2 != None:
assert f1.shape == f2.shape, 'f1 and f2 must have same shape'
b1 = asarray(bz)
b1[hfactor::factor, hfactor::factor] = f2
fr2 = iadil(b1, iasedisk(hfactor - 4))
fr1 = iaunion(fr1, fr2)
if f3 != None:
assert f1.shape == f3.shape, 'f1 and f3 must have same shape'
bz[hfactor::factor, hfactor::factor] = f3
fr3 = iadil(bz, iasesum(iaserot(iasecross(1), 45), hfactor - 1))
fr1 = iaunion(fr1, fr3)
return fr1
def iabshow(f1, f2=None, f3=None, factor=17):
from iabinary import iabinary
from iaframe import iaframe
from iadil import iadil
from iaunion import iaunion
from iasedisk import iasedisk
from iaserot import iaserot
from iasecross import iasecross
from iasesum import iasesum
assert f1.dtype == bool, 'f1 must be boolean image'
factor = max(factor,9)
hfactor = factor/2
if size(f1.shape) == 1:
f1 = f1[newaxis,:]
if f2 != None: f2 = f2[newaxis,:]
if f3 != None: f3 = f3[newaxis,:]
bz = zeros(factor * array(f1.shape)).astype(bool)
b0 = asarray(bz)
b0[hfactor::factor,hfactor::factor] = f1
fr1 = iaframe(zeros((factor,factor),bool))
fr1 = iadil(b0,fr1)
if f2 != None:
assert f1.shape == f2.shape, 'f1 and f2 must have same shape'
b1 = asarray(bz)
b1[hfactor::factor,hfactor::factor] = f2
fr2 = iadil(b1,iasedisk(hfactor - 4))
fr1 = iaunion(fr1,fr2)
if f3 != None:
assert f1.shape == f3.shape, 'f1 and f3 must have same shape'
bz[hfactor::factor,hfactor::factor] = f3
fr3 = iadil(bz, iasesum(iaserot(iasecross(1),45),hfactor - 1))
fr1 = iaunion(fr1,fr3)
return fr1
