The following excerpt shows the pieces from this chapter assembled into a working instrument fragment: an aluminium sample can holding an iron sample, both with incoherent and powder scattering.
1COMPONENT Al_inc = Incoherent_process(sigma=4*0.0082, unit_cell_volume=66.4) 2AT (0,0,0) ABSOLUTE 3 4COMPONENT Al_powder = Powder_process(reflections="Al.laz") 5AT (0,0,0) ABSOLUTE 6 7COMPONENT Al = Union_make_material(my_absorption=100*4*0.231/66.4, 8 process_string="Al_inc,Al_powder") 9AT (0,0,0) ABSOLUTE 10 11COMPONENT Fe_inc = Incoherent_process(sigma=2*0.4, unit_cell_volume=24.04) 12AT (0,0,0) ABSOLUTE 13 14COMPONENT Fe_powder = Powder_process(reflections="Fe.laz") 15AT (0,0,0) ABSOLUTE 16 17COMPONENT Fe = Union_make_material(my_absorption=100*2*2.56/24.04, 18 process_string="Fe_inc,Fe_powder") 19AT (0,0,0) ABSOLUTE 20 21/* ... source, guide etc. as normal ... */ 22 23COMPONENT sample_position = Arm() 24AT (0,0,12.5) RELATIVE Guide 25 26COMPONENT can = Union_cylinder(radius=0.006, yheight=0.04, 27 priority=1, material_string="Al") 28AT (0,0,0) RELATIVE sample_position 29 30COMPONENT can_vacuum = Union_cylinder(radius=0.005, yheight=0.038, 31 priority=2, material_string="Vacuum") 32AT (0,0,0) RELATIVE sample_position 33 34COMPONENT sample = Union_cylinder(radius=0.004, yheight=0.03, 35 priority=3, material_string="Fe") 36AT (0,0,0) RELATIVE sample_position 37 38COMPONENT master = Union_master() 39AT (0,0,0) RELATIVE sample_position 40 41COMPONENT Banana_monitor = Monitor_nD(radius=1, yheight=0.1, 42 options="banana, theta limits=[20,170], bins=200", filename="banana.dat") 43AT (0,0,0) RELATIVE sample_position