def test_gridscan_to_file(tmp_path):
d = tmp_path / 'sub'
d.mkdir()
path = d / 'measurement2.hdf5'
atoms = read(_set_path('orthogonal_graphene.cif'))
potential = Potential(atoms=atoms, sampling=.05)
probe = Probe(energy=200e3, semiangle_cutoff=30)
probe.grid.match(potential)
scan = GridScan(start=[0, 0], end=[0, potential.extent[1]], gpts=(10, 9))
detector = PixelatedDetector()
export_detector = PixelatedDetector(save_file=path)
measurements = probe.scan(scan, [detector, export_detector],
potential,
pbar=False)
measurement = measurements[0]
imported_measurement = Measurement.read(measurements[1])
assert np.allclose(measurement.array, imported_measurement.array)
assert measurement.calibrations[0] == imported_measurement.calibrations[0]
assert measurement.calibrations[1] == imported_measurement.calibrations[1]
def test_export_import_measurement(tmp_path):
d = tmp_path / 'sub'
d.mkdir()
path = d / 'measurement.hdf5'
calibrations = calibrations_from_grid((512, 256), (.1, .3), ['x', 'y'],
'Å')
measurement = Measurement(np.random.rand(512, 256), calibrations)
measurement.write(path)
imported_measurement = Measurement.read(path)
assert np.allclose(measurement.array, imported_measurement.array)
assert measurement.calibrations[0] == imported_measurement.calibrations[0]
assert measurement.calibrations[1] == imported_measurement.calibrations[1]
from abtem.measure import Measurement
import matplotlib.pyplot as plt
measurement = Measurement.read('STEM_MoS2.hdf5')
measurement.tile((5, 3)).interpolate(.01).show()
plt.show()