def mask_cylinder(mask_info, workspace):
"""
Masks a (hollow) cylinder around (0,0)
Two radii can be specified for the cylinder mask. An inner radius (radius_min) and an outer radius(radius_max)
which specify a hollow cylinder mask.
:param mask_info: a SANSStateMask object.
:param workspace: the workspace which is about to be masked
:return: the masked workspace.
"""
radius_min = mask_info.radius_min
radius_max = mask_info.radius_max
xml = []
# Set up the inner radius of the cylinder
if radius_min is not None and radius_min > 0.0:
add_cylinder(xml, radius_min, 0, 0, 'beam_stop')
# Set up the outer radius of the cylinder
if radius_max is not None and radius_max > 0.0:
add_outside_cylinder(xml, radius_max, 0, 0, 'beam_area')
# Mask the cylinder shape if there is anything to mask, else don't do anything
if xml:
mask_name = "MaskDetectorsInShape"
mask_options = {"Workspace": workspace}
mask_alg = create_unmanaged_algorithm(mask_name, **mask_options)
for shape in xml:
mask_alg.setProperty("Workspace", workspace)
mask_alg.setProperty("ShapeXML", shape)
mask_alg.execute()
workspace = mask_alg.getProperty("Workspace").value
return workspace
def mask_cylinder(mask_info, workspace):
"""
Masks a (hollow) cylinder around (0,0)
Two radii can be specified for the cylinder mask. An inner radius (radius_min) and an outer radius(radius_max)
which specify a hollow cylinder mask.
:param mask_info: a SANSStateMask object.
:param workspace: the workspace which is about to be masked
:return: the masked workspace.
"""
radius_min = mask_info.radius_min
radius_max = mask_info.radius_max
xml = []
# Set up the inner radius of the cylinder
if radius_min is not None and radius_min > 0.0:
add_cylinder(xml, radius_min, 0, 0, 'beam_stop')
# Set up the outer radius of the cylinder
if radius_max is not None and radius_max > 0.0:
add_outside_cylinder(xml, radius_max, 0, 0, 'beam_area')
# Mask the cylinder shape if there is anything to mask, else don't do anything
if xml:
mask_name = "MaskDetectorsInShape"
mask_options = {"Workspace": workspace}
mask_alg = create_unmanaged_algorithm(mask_name, **mask_options)
for shape in xml:
mask_alg.setProperty("Workspace", workspace)
mask_alg.setProperty("ShapeXML", shape)
mask_alg.execute()
workspace = mask_alg.getProperty("Workspace").value
return workspace