def testRebin(self):
"""Test the rebin method"""
big = numpy.arange(64).reshape((8, 8))
res = numpy.array([[13, 17], [45, 49]])
fabimg = fabioimage(data=big, header={})
fabimg.rebin(4, 4)
self.assertEqual(abs(res - fabimg.data).max(), 0, "data are the same after rebin")
def setUp(self):
"""make the image"""
dat = numpy.ones((1024, 1024), numpy.uint16)
dat = (dat * 50000).astype(numpy.uint16)
assert dat.dtype.char == numpy.ones((1), numpy.uint16).dtype.char
hed = {"Title": "50000 everywhere"}
self.obj = fabioimage(dat, hed)
def setUp(self):
"""make the image"""
dat = numpy.ones((1024, 1024), numpy.uint16)
dat = (dat * 50000).astype(numpy.uint16)
assert dat.dtype.char == numpy.ones((1), numpy.uint16).dtype.char
hed = {"Title": "50000 everywhere"}
self.obj = fabioimage(dat, hed)
def testpil(self):
for typ in self.okformats:
name = NAMES[typ]
for shape in [(10, 20), (431, 1325)]:
testdata = self.mkdata(shape, typ)
img = fabioimage(testdata, {"title":"Random data"})
pim = img.toPIL16()
for i in [ 0, 5, 6, shape[1] - 1 ]:
for j in [0, 5, 7, shape[0] - 1 ]:
errstr = name + " %d %d %f %f t=%s" % (
i, j, testdata[j, i], pim.getpixel((i, j)), typ)
er1 = img.data[j, i] - pim.getpixel((i, j))
er2 = img.data[j, i] + pim.getpixel((i, j))
# difference as % error in case of rounding
if er2 != 0.:
err = er1 / er2
else:
err = er1
self.assertAlmostEquals(err,
0,
6,
errstr)
def testRebin(self):
"""Test the rebin method"""
big = numpy.arange(64).reshape((8, 8))
res = numpy.array([[13, 17], [45, 49]])
fabimg = fabioimage(data=big, header={})
fabimg.rebin(4, 4)
self.assertEqual(
abs(res - fabimg.data).max(), 0, "data are the same after rebin")
def setUp(self):
""" create test files"""
if not os.path.isfile(self.testfile):
open(self.testfile, "wb").write("{ hello }")
if not os.path.isfile(self.testfile + ".gz"):
gzip.open(self.testfile + ".gz", "wb").write("{ hello }")
if not os.path.isfile(self.testfile + ".bz2"):
bz2.BZ2File(self.testfile + ".bz2", "wb").write("{ hello }")
self.obj = fabioimage()
def setUp(self):
""" create test files"""
if not os.path.isfile(self.testfile):
open(self.testfile, "wb").write(b"{ hello }")
if not os.path.isfile(self.testfile + ".gz"):
gzip.open(self.testfile + ".gz", "wb").write(b"{ hello }")
if not os.path.isfile(self.testfile + ".bz2"):
bz2.BZ2File(self.testfile + ".bz2", "wb").write(b"{ hello }")
self.obj = fabioimage()
def setUp(self):
"""make test data"""
dat2 = numpy.zeros((1024, 1024), numpy.uint16)
hed = {"Title": "zeros and 100"}
self.cord = [256, 256, 790, 768]
self.obj = fabioimage(dat2, hed)
self.slic = slic = self.obj.make_slice(self.cord)
# Note - d2 is modified *after* fabioimage is made
dat2[slic] = dat2[slic] + 100
assert self.obj.maxval is None
assert self.obj.minval is None
self.npix = (slic[0].stop - slic[0].start) * (slic[1].stop - slic[1].start)
def setUp(self):
"""make test data"""
dat2 = numpy.zeros((1024, 1024), numpy.uint16)
hed = {"Title": "zeros and 100"}
self.cord = [256, 256, 790, 768]
self.obj = fabioimage(dat2, hed)
self.slic = slic = self.obj.make_slice(self.cord)
# Note - d2 is modified *after* fabioimage is made
dat2[slic] = dat2[slic] + 100
assert self.obj.maxval is None
assert self.obj.minval is None
self.npix = (slic[0].stop - slic[0].start) * \
(slic[1].stop - slic[1].start)
def testpil(self):
for typ in self.okformats:
name = NAMES[typ]
for shape in [(10, 20), (431, 1325)]:
testdata = self.mkdata(shape, typ)
img = fabioimage(testdata, {"title": "Random data"})
pim = img.toPIL16()
for i in [0, 5, 6, shape[1] - 1]:
for j in [0, 5, 7, shape[0] - 1]:
errstr = name + " %d %d %f %f t=%s" % (
i, j, testdata[j, i], pim.getpixel((i, j)), typ)
er1 = img.data[j, i] - pim.getpixel((i, j))
er2 = img.data[j, i] + pim.getpixel((i, j))
# difference as % error in case of rounding
if er2 != 0.:
err = er1 / er2
else:
err = er1
self.assertAlmostEquals(err, 0, 6, errstr)
def frm(i):
header['Omega'] = omega[i]
f = fabioimage(data[i], header)
f.filename = filename
f.currentframe = i
return f