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22 changes: 18 additions & 4 deletions tests/deconv1d_test.py
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Original file line number Diff line number Diff line change
Expand Up @@ -12,16 +12,28 @@
print info
print '-----------------------------------------------------------------'

p.subplot(311)
p.title('Real')
p.plot(n.abs(cln), 'b')
p.plot(n.abs(img), 'k.')
p.plot(n.abs(img - cln), 'r')

img = n.array([0,0,0,4j,6j,4j,0,0,2+2j,3+3j,2+2j,0], dtype=n.complex)
ker = n.array([3,2,0,0,0,0,0,0,0,0,0,2], dtype=n.complex)

print 'CMPLX TEST:'
print 'img', img
print 'ker', ker
mdl, info = a.deconv.clean(img, ker)
cln, info = a.deconv.clean(img, ker)
print 'cln', cln
print info
print '-----------------------------------------------------------------'
p.subplot(312)
p.title('Complex, real part')
p.plot(cln.real, 'b',label='Model')
p.plot(img.real, 'k.',label='Image')
p.plot((img - cln).real, 'r',label='Resid')
p.legend()

SIZE = 16
img = n.zeros((SIZE,), n.complex)
Expand All @@ -39,7 +51,9 @@
print 'cln', cln
print info

p.plot(n.abs(cln), 'b')
p.plot(n.abs(img), 'k.')
p.plot(n.abs(img - cln), 'r')
p.subplot(313)
p.title('Complex, imaginary part')
p.plot(cln.imag, 'b')
p.plot(img.imag, 'k.')
p.plot((img - cln).imag, 'r')
p.show()
32 changes: 18 additions & 14 deletions tests/deconv_test.py
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Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,7 @@ def setUp(self):
i[30:40,30:40] = .1
self.i = i
self.b = a.img.gaussian_beam(2, shape=i.shape)
self.b[0,0] = .05
#self.b[0,0] = .05

self.d = n.abs(n.fft.ifft2(n.fft.fft2(i) * n.fft.fft2(self.b)))
ns = n.random.normal(scale=NOISE, size=i.shape)
Expand All @@ -24,23 +24,27 @@ def setUp(self):
def test_clean(self):
"""Test that the standard clean deconvolution runs"""
#print 'Clean'
p.subplot(131)
c,info = a.deconv.clean(self.d, self.b, verbose=False)
p.subplot(221)
c,info = a.deconv.clean(self.d, self.b, verbose=True,tol=1e-7,stop_if_div=False)
print "max i,c,i-c"
print self.i.max(),c.max(),(self.i-c).max()
# p.imshow(n.log10(self.i),vmin=-5, vmax=1)
p.imshow(self.i,vmin=0.1,vmax=5)
p.title('model')
p.imshow(n.log10(self.i),vmin=-5, vmax=1)
#p.imshow(self.i,vmin=0.1,vmax=5)
p.title('Dirty Image')

p.subplot(132)
p.imshow(c,vmin=0.1,vmax=5)
# p.imshow(n.log10(c),vmin=-5, vmax=1)
p.title('cc')
p.subplot(222)
p.imshow(n.log10(n.fft.fftshift(self.b)),vmin=-5,vmax=1)
p.title('Dirty Beam')

p.subplot(133)
# p.imshow(n.log10(c - self.i),vmin=-5, vmax=1)
p.imshow(c-self.i,vmin=0.1,vmax=5)
p.title('cc - model')
p.subplot(223)
#p.imshow(c,vmin=0.1,vmax=5)
p.imshow(n.log10(c),vmin=-5, vmax=1)
p.title('Clean Components')

p.subplot(224)
p.imshow(n.log10(c - self.i),vmin=-5, vmax=1)
#p.imshow(c-self.i,vmin=0.1,vmax=5)
p.title('Resid')
#print n.sum(c - self.i)
#p.title('CLEAN')
#p.imshow(n.log10(c), vmin=-5, vmax=1)
Expand Down