def test_stream_gethdr_count_2d():
"""
Test the Stream.gethdr method for 2D data
"""
# Create two-dimensionnal data of size 'ns'x'nr'
ns = 256
nr = 64
data = np.ones((nr, ns))
# Create a new Stream object
object = Stream()
# Create SU-like data structure from 'data' without options.
object.create(data, dt=0.01)
# Set header values
object.header[:]['sx'] = 10
object.header[:]['scalco'] = 1
# Get header values
sx = object.gethdr(key='sx', imin=0, count=1)
# Create an equivalent of attempted result
sx_att = 10.
np.testing.assert_equal(sx, sx_att)
def test_stream_gethdr_1d():
"""
Test the Stream.gethdr method for 1D data.
"""
# Create one-dimensional data of size 'ns'
ns = 256
data = np.ones(ns)
# Create a new Stream object
object = Stream()
# Create SU-like data structure from 'data' with option.
object.create(data, dt=0.01)
# Get header value
dt = object.gethdr(key='dt')
np.testing.assert_equal(dt, 0.01)
def test_stream_gethdr_2d():
"""
Test the Stream.gethdr method for 2D data
"""
# Create two-dimensionnal data of size 'ns'x'nr'
ns = 256
nr = 64
data = np.ones((nr, ns))
# Create a new Stream object
object = Stream()
# Create SU-like data structure from 'data' without options.
object.create(data, dt=0.01)
# Get header values
dt = object.gethdr(key='dt')
# Create an equivalent of attempted result
dt_att = np.zeros(nr, dtype=np.float32)
dt_att[:] = 0.01
np.testing.assert_equal(dt, dt_att)