def single_axis_goniometer_from_phil(params, reference=None):
'''
Generate or overwrite a single axis goniometer
'''
# Check the axes parameter
if params.goniometer.axes is not None and len(params.goniometer.axes) != 3:
raise RuntimeError('Single axis goniometer requires 3 axes parameters')
# Check the angles parameter
if params.goniometer.angles is not None:
raise RuntimeError('Single axis goniometer requires angles == None')
# Check the names parameter
if params.goniometer.names is not None:
raise RuntimeError('Single axis goniometer requires names == None')
# Init the gonionmeter
if reference is None:
goniometer = Goniometer()
else:
goniometer = reference
# Set the parameters
if params.goniometer.axes is not None:
goniometer.set_rotation_axis_datum(params.goniometer.axes)
if params.goniometer.fixed_rotation is not None:
goniometer.set_fixed_rotation(params.goniometer.fixed_rotation)
if params.goniometer.setting_rotation is not None:
goniometer.set_setting_rotation(params.goniometer.setting_rotation)
# Return the model
return goniometer
def from_dict(d, t=None):
"""Convert the dictionary to a goniometer model
Params:
d The dictionary of parameters
t The template dictionary to use
Returns:
The goniometer model
"""
from dxtbx.model import Goniometer, MultiAxisGoniometer
# If None, return None
if d is None:
if t is None:
return None
else:
return from_dict(t, None)
elif t != None:
d = dict(t.items() + d.items())
# Create the model from the dictionary
if "axes" in d and "angles" in d and "scan_axis" in d:
return MultiAxisGoniometer.from_dict(d)
return Goniometer.from_dict(d)
def known_axis(axis):
"""Return an goniometer instance for a known rotation axis, assuming
that nothing is known about the fixed element of the rotation axis."""
assert len(axis) == 3
fixed = (1, 0, 0, 0, 1, 0, 0, 0, 1)
return Goniometer(axis, fixed)
def from_dict(d, t=None):
"""Convert the dictionary to a goniometer model
Params:
d The dictionary of parameters
t The template dictionary to use
Returns:
The goniometer model
"""
if d is None and t is None:
return None
joint = t.copy() if t else {}
joint.update(d)
# Create the model from the joint dictionary
if {"axes", "angles", "scan_axis"}.issubset(joint):
return MultiAxisGoniometer.from_dict(joint)
return Goniometer.from_dict(joint)
def single_axis_goniometer_from_phil(params, reference=None):
"""
Generate or overwrite a single axis goniometer
"""
# Check the axis parameter and copy from axes if required
if params.goniometer.axis is None:
params.goniometer.axis = params.goniometer.axes
if params.goniometer.axis is not None and len(
params.goniometer.axis) != 3:
raise RuntimeError("Single axis goniometer requires 3 axis values")
# Check the angles parameter
if params.goniometer.angles is not None:
raise RuntimeError(
"Single axis goniometer requires angles == None")
# Check the names parameter
if params.goniometer.names is not None:
raise RuntimeError("Single axis goniometer requires names == None")
# Init the gonionmeter
if reference is None:
goniometer = Goniometer()
else:
goniometer = reference
# Set the parameters
if params.goniometer.axis is not None:
goniometer.set_rotation_axis_datum(params.goniometer.axis)
if params.goniometer.fixed_rotation is not None:
goniometer.set_fixed_rotation(params.goniometer.fixed_rotation)
if params.goniometer.setting_rotation is not None:
goniometer.set_setting_rotation(params.goniometer.setting_rotation)
if params.goniometer.invert_rotation_axis is True:
rotation_axis = goniometer.get_rotation_axis_datum()
goniometer.set_rotation_axis_datum([-x for x in rotation_axis])
return goniometer
def make_goniometer(rotation_axis, fixed_rotation):
return Goniometer(tuple(map(float, rotation_axis)),
tuple(map(float, fixed_rotation)))
def single_axis_goniometer_from_phil(params, reference=None):
"""
Generate or overwrite a single axis goniometer
"""
# Check the axes parameter
if params.goniometer.axes is not None and len(
params.goniometer.axes) != 3:
raise RuntimeError(
"Single axis goniometer requires 3 axes parameters")
# Check the angles parameter
if params.goniometer.angles is not None:
raise RuntimeError(
"Single axis goniometer requires angles == None")
# Check the names parameter
if params.goniometer.names is not None:
raise RuntimeError("Single axis goniometer requires names == None")
# Init the gonionmeter
if reference is None:
goniometer = Goniometer()
else:
goniometer = reference
# Set the parameters
if params.goniometer.axes is not None:
goniometer.set_rotation_axis_datum(params.goniometer.axes)
if params.goniometer.fixed_rotation is not None:
goniometer.set_fixed_rotation(params.goniometer.fixed_rotation)
if params.goniometer.setting_rotation is not None:
goniometer.set_setting_rotation(params.goniometer.setting_rotation)
if params.goniometer.invert_rotation_axis == True:
rotation_axis = goniometer.get_rotation_axis_datum()
goniometer.set_rotation_axis_datum(map(lambda x: -x,
rotation_axis))
# Return the model
return goniometer
