def tst_set_direction_wavelength():
"""Test setting direction and wavelength"""
from scitbx import matrix
direction = matrix.col((0.013142, 0.002200, 1.450476))
unit_direction = direction.normalize()
wavelength = 0.689400
# Create the beam
b = Beam(direction, wavelength)
eps = 1e-7
# Check direction is a unit vector
assert (abs(matrix.col(b.get_direction()).length() - 1) <= eps)
assert (abs(matrix.col(b.get_direction()) - unit_direction) <= eps)
# Check wavelength is correct
assert (abs(b.get_wavelength() - wavelength) <= eps)
# Check s0 is in direction and has length 1/wavelength
assert (abs(matrix.col(b.get_s0()).length() - 1.0 / wavelength) <= eps)
assert (abs(-matrix.col(b.get_s0()).normalize() - unit_direction) <= eps)
# Test passed
print "OK"
def tst_set_direction_wavelength(): """Test setting direction and wavelength""" from scitbx import matrix direction = matrix.col((0.013142, 0.002200, 1.450476)) unit_direction = direction.normalize() wavelength = 0.689400 # Create the beam b = Beam(direction, wavelength) eps = 1e-7 # Check direction is a unit vector assert(abs(matrix.col(b.get_direction()).length() - 1) <= eps) assert(abs(matrix.col(b.get_direction()) - unit_direction) <= eps) # Check wavelength is correct assert(abs(b.get_wavelength() - wavelength) <= eps) # Check s0 is in direction and has length 1/wavelength assert(abs(matrix.col(b.get_s0()).length() - 1.0 / wavelength) <= eps) assert(abs(-matrix.col(b.get_s0()).normalize() - unit_direction) <= eps) # Test passed print "OK"
def test_setting_direction_and_wavelength():
direction = matrix.col((0.013142, 0.002200, 1.450476))
unit_direction = direction.normalize()
wavelength = 0.689400
# Create the beam
b = Beam(direction, wavelength)
eps = 1e-7
# Check direction is a unit vector
assert matrix.col(b.get_direction()).length() == pytest.approx(1)
assert abs(matrix.col(b.get_direction()) - unit_direction) <= eps
# Check wavelength is correct
assert b.get_wavelength() == pytest.approx(wavelength)
# Check s0 is in direction and has length 1/wavelength
assert matrix.col(b.get_s0()).length() == pytest.approx(1.0 / wavelength)
assert abs(-matrix.col(b.get_s0()).normalize() - unit_direction) <= eps