def test_valign():
data = dataset.load(sample.path('rot420px.h5'), grp='/', dset='data')
res = align.valign(data)
real = np.array([28.0*np.sin(i*np.pi/90.0) for i in range(91)])
assert_allclose(real, res, rtol=0, atol=0.2)
from xni import dataset
from xni import sample
import numpy as np
data = dataset.load(sample.path('rot420px.h5'), dset='data', grp='/')
#arr = np.zeros((3,3,3), dtype='f4')
#arr = arr + 1
dataset.serve(data)
