def test_multi_axis_goniometer_from_phil():
params = goniometer_phil_scope.fetch(
parse(
"""
goniometer {
axes = (1, 0, 0, 0, 1, 0, 0, 0, 1)
scan_axis = 2
}
"""
)
).extract()
g1 = GoniometerFactory.from_phil(params)
assert tuple(g1.get_axes()) == ((1, 0, 0), (0, 1, 0), (0, 0, 1))
assert g1.get_scan_axis() == 2
# Test using a reference
params = goniometer_phil_scope.fetch(
parse(
"""
goniometer {
axes = (0, 1, 0, 1, 0, 0, 0, 0, 1)
}
"""
)
).extract()
g2 = GoniometerFactory.from_phil(params, reference=g1)
assert tuple(g2.get_axes()) == ((0, 1, 0), (1, 0, 0), (0, 0, 1))
def test_single_axis_goniometer_with_fixed_rotation_and_reference_from_phil():
params = goniometer_phil_scope.fetch(
parse(
"""
goniometer {
axes = (1, 0, 0)
}
"""
)
).extract()
g1 = GoniometerFactory.from_phil(params)
params = goniometer_phil_scope.fetch(
parse(
"""
goniometer {
axis = (0, 1, 0)
fixed_rotation = (0, 1, 0, 1, 0, 0, 0, 0, 1)
}
"""
)
).extract()
g2 = GoniometerFactory.from_phil(params, reference=g1)
assert g2.get_rotation_axis() == (0, 1, 0)
assert g2.get_fixed_rotation() == (0, 1, 0, 1, 0, 0, 0, 0, 1)
def test_goniometer_from_phil():
params = goniometer_phil_scope.fetch(
parse(
"""
goniometer {
axes = (1, 0, 0)
}
"""
)
).extract()
g1 = GoniometerFactory.from_phil(params)
assert g1.get_rotation_axis() == (1, 0, 0)
params = goniometer_phil_scope.fetch(
parse(
"""
goniometer {
axes = (0, 1, 0)
fixed_rotation = (0, 1, 0, 1, 0, 0, 0, 0, 1)
}
"""
)
).extract()
g2 = GoniometerFactory.from_phil(params, reference=g1)
assert g2.get_rotation_axis() == (0, 1, 0)
assert g2.get_fixed_rotation() == (0, 1, 0, 1, 0, 0, 0, 0, 1)
params = goniometer_phil_scope.fetch(
parse(
"""
goniometer {
axes = (1, 0, 0, 0, 1, 0, 0, 0, 1)
scan_axis = 2
}
"""
)
).extract()
g3 = GoniometerFactory.from_phil(params)
assert tuple(g3.get_axes()) == ((1, 0, 0), (0, 1, 0), (0, 0, 1))
assert g3.get_scan_axis() == 2
params = goniometer_phil_scope.fetch(
parse(
"""
goniometer {
axes = (0, 1, 0, 1, 0, 0, 0, 0, 1)
}
"""
)
).extract()
g4 = GoniometerFactory.from_phil(params, reference=g3)
assert tuple(g4.get_axes()) == ((0, 1, 0), (1, 0, 0), (0, 0, 1))
def test_goniometer_from_phil():
from dxtbx.model.goniometer import GoniometerFactory
from dxtbx.model.goniometer import goniometer_phil_scope
from libtbx.phil import parse
params = goniometer_phil_scope.fetch(
parse('''
goniometer {
axes = (1, 0, 0)
}
''')).extract()
g1 = GoniometerFactory.from_phil(params)
assert g1.get_rotation_axis() == (1, 0, 0)
params = goniometer_phil_scope.fetch(
parse('''
goniometer {
axes = (0, 1, 0)
fixed_rotation = (0, 1, 0, 1, 0, 0, 0, 0, 1)
}
''')).extract()
g2 = GoniometerFactory.from_phil(params, reference=g1)
assert g2.get_rotation_axis() == (0, 1, 0)
assert g2.get_fixed_rotation() == (0, 1, 0, 1, 0, 0, 0, 0, 1)
params = goniometer_phil_scope.fetch(
parse('''
goniometer {
axes = (1, 0, 0, 0, 1, 0, 0, 0, 1)
scan_axis = 2
}
''')).extract()
g3 = GoniometerFactory.from_phil(params)
assert tuple(g3.get_axes()) == ((1, 0, 0), (0, 1, 0), (0, 0, 1))
assert g3.get_scan_axis() == 2
params = goniometer_phil_scope.fetch(
parse('''
goniometer {
axes = (0, 1, 0, 1, 0, 0, 0, 0, 1)
}
''')).extract()
g4 = GoniometerFactory.from_phil(params, reference=g3)
assert tuple(g4.get_axes()) == ((0, 1, 0), (1, 0, 0), (0, 0, 1))
print 'OK'
def test_single_axis_goniometer_using_axis_and_axes_from_phil_raises_error():
"""Supplying both the 'axis' and 'axes' parameters is ambiguous, so it should
be mutually exclusive. This test ensures that is the case."""
params = goniometer_phil_scope.fetch(
parse("""
goniometer {
axis = (1, 0, 0)
axes = (1, 0, 0)
}
""")).extract()
with pytest.raises(ValueError):
GoniometerFactory.from_phil(params)
def test_single_axis_goniometer_using_axes_from_phil():
params = goniometer_phil_scope.fetch(
parse("""
goniometer {
axes = (1, 0, 0)
}
""")).extract()
g1 = GoniometerFactory.from_phil(params)
assert g1.get_rotation_axis() == (1, 0, 0)