def pillbox_cavity_model(input_parameters):
""" Generates the geometry for the pillbox cavity in FreeCAD. Also writes out the geometry as STL files
and writes a "sidecar" text file containing the input parameters used.
Args:
input_parameters (dict): Dictionary of input parameter names and values.
"""
try:
wire1, face1 = make_circular_aperture(input_parameters['pipe_radius'])
wire2, face2 = make_circular_aperture(
input_parameters['cavity_radius'])
beampipe_vacuum1 = make_beampipe(
face1, input_parameters['pipe_length'],
(-input_parameters['pipe_length'] / 2. -
input_parameters['cavity_length'] / 2., 0, 0))
cavity_vacuum = make_beampipe(face2, input_parameters['cavity_length'])
beampipe_vacuum2 = make_beampipe(
face1, input_parameters['pipe_length'],
(input_parameters['pipe_length'] / 2. +
input_parameters['cavity_length'] / 2., 0, 0))
vac1 = beampipe_vacuum1.fuse(cavity_vacuum)
vac2 = vac1.fuse(beampipe_vacuum2)
wire3, face3 = make_circular_aperture(
input_parameters['pipe_radius'] +
input_parameters['wall_thickness'])
wire4, face4 = make_circular_aperture(
input_parameters['cavity_radius'] +
input_parameters['wall_thickness'])
beampipe_shell1 = make_beampipe(
face3, input_parameters['pipe_length'],
(-input_parameters['pipe_length'] / 2. -
input_parameters['cavity_length'] / 2., 0, 0))
cavity_shell = make_beampipe(
face4, input_parameters['cavity_length'] +
2 * input_parameters['wall_thickness'])
beampipe_shell2 = make_beampipe(
face3, input_parameters['pipe_length'],
(input_parameters['pipe_length'] / 2. +
input_parameters['cavity_length'] / 2., 0, 0))
shell1 = beampipe_shell1.fuse(cavity_shell)
shell2 = shell1.fuse(beampipe_shell2)
shell3 = shell2.cut(vac2)
except Exception as e:
raise ModelException(e)
# An entry in the parts dictionary corresponds to an STL file. This is useful for parts of differing materials.
parts = {'vac': vac2, 'shell': shell3}
return parts, os.path.splitext(os.path.basename(MODEL_NAME))[0]
def simple_buttons_model(input_parameters):
""" Generates the geometry for the pillbox cavity in FreeCAD. Also writes out the geometry as STL files
and writes a "sidecar" text file containing the input parameters used.
Args:
input_parameters (dict): Dictionary of input parameter names and values.
"""
try:
wire1, face1 = make_elliptical_aperture(input_parameters['pipe_height'], input_parameters['pipe_width'])
wire2, face2 = make_elliptical_aperture(input_parameters['pipe_height'] + input_parameters['pipe_thickness'],
input_parameters['pipe_width'] + input_parameters['pipe_thickness'])
beampipe_vac = make_beampipe(face1, input_parameters['pipe_length'] + 2e-3)
beampipe = make_beampipe(face2, input_parameters['pipe_length'])
block = Part.makeCylinder(input_parameters['block_radius'], input_parameters['block_s'],
Base.Vector(-input_parameters['block_s'] / 2., 0, 0),
Base.Vector(1, 0, 0)
)
hole1 = single_button_hole(input_parameters, quadrants=(1, 1, 1))
hole2 = single_button_hole(input_parameters, quadrants=(-1, 1, -1))
hole3 = single_button_hole(input_parameters, quadrants=(-1, -1, 1))
hole4 = single_button_hole(input_parameters, quadrants=(1, -1, -1))
vac1 = beampipe_vac.fuse(hole1)
vac2 = vac1.fuse(hole2)
vac3 = vac2.fuse(hole3)
vac4 = vac3.fuse(hole4)
button_block = block.cut(vac4)
beampipe1 = beampipe.cut(block)
beampipe2 = beampipe1.cut(beampipe_vac)
button1, pin1, ceramic1, shell1 = single_button(input_parameters, quadrants=(1, 1, 1))
button2, pin2, ceramic2, shell2 = single_button(input_parameters, quadrants=(-1, 1, -1))
button3, pin3, ceramic3, shell3 = single_button(input_parameters, quadrants=(-1, -1, 1))
button4, pin4, ceramic4, shell4 = single_button(input_parameters, quadrants=(1, -1, -1))
except Exception as e:
raise ModelException(e)
# An entry in the parts dictionary corresponds to an STL file. This is useful for parts of differing materials.
parts = {'vac': vac4, 'block': button_block, 'beampipe': beampipe2,
'button1': button1, 'pin1': pin1, 'ceramic1': ceramic1, 'shell1': shell1,
'button2': button2, 'pin2': pin2, 'ceramic2': ceramic2, 'shell2': shell2,
'button3': button3, 'pin3': pin3, 'ceramic3': ceramic3, 'shell3': shell3,
'button4': button4, 'pin4': pin4, 'ceramic4': ceramic4, 'shell4': shell4
}
# 'hole1': hole1, 'hole2': hole2, 'hole3': hole3, 'hole4': hole4
return parts, os.path.splitext(os.path.basename(MODEL_NAME))[0]
def racetrack_taper_model(input_parameters):
"""Generates the geometry for the racetrack shadowing taper in FreeCAD.
Also writes out the geometry as STL files
and writes a "sidecar" text file containing the input parameters used.
Args:
input_parameters (dict): Dictionary of input parameter names and values.
"""
try:
wire1, face1 = make_racetrack_aperture(input_parameters['pipe_height'],
input_parameters['pipe_width'])
wire2, face2 = make_racetrack_aperture(
input_parameters['cavity_height'],
input_parameters['cavity_width'])
beampipe1 = make_beampipe(
face1, input_parameters['pipe_length'],
(-input_parameters['pipe_length'] / 2. -
input_parameters['taper_length'] -
input_parameters['cavity_length'] / 2., 0, 0))
taper1 = make_taper(wire2, wire1, input_parameters['taper_length'],
(-input_parameters['cavity_length'] / 2., 0, 0),
(0, 180, 0))
beampipe2 = make_beampipe(face2, input_parameters['cavity_length'])
taper2 = make_taper(wire2, wire1, input_parameters['taper_length'],
(input_parameters['cavity_length'] / 2., 0, 0))
beampipe3 = make_beampipe(
face1, input_parameters['pipe_length'],
(input_parameters['pipe_length'] / 2. +
input_parameters['taper_length'] +
input_parameters['cavity_length'] / 2., 0, 0))
fin1 = beampipe1.fuse(taper1)
fin2 = fin1.fuse(beampipe2)
fin3 = fin2.fuse(taper2)
fin4 = fin3.fuse(beampipe3)
except Exception as e:
raise ModelException(e)
# An entry in the parts dictionary corresponds to an STL file. This is useful for parts of differing materials.
parts = {'all': fin4}
return parts, os.path.splitext(os.path.basename(MODEL_NAME))[0]
def racetrack_to_octagonal_cavity_model(input_parameters):
"""Generates the geometry for a circular cavity with tapers to a racetrack pipe in FreeCAD.
Also writes out the geometry as STL files
and writes a "sidecar" text file containing the input parameters used.
Args:
input_parameters (dict): Dictionary of input parameter names and values.
"""
try:
wire1, face1 = make_racetrack_aperture(
input_parameters['racetrack_height'],
input_parameters['racetrack_width'])
wire2, face2 = make_circular_aperture(
input_parameters['cavity_radius'])
wire3, face3 = make_racetrack_aperture(
input_parameters['racetrack_height'] +
input_parameters['pipe_thickness'],
input_parameters['racetrack_width'] +
input_parameters['pipe_thickness'])
wire4, face4 = make_circular_aperture(
input_parameters['cavity_radius'] +
input_parameters['pipe_thickness'])
beampipe_vac1 = make_beampipe(
face1, input_parameters['racetrack_length'],
(-input_parameters['racetrack_length'] / 2. -
input_parameters['taper_length'] -
input_parameters['cavity_length'] / 2., 0, 0))
taper_vac1 = make_taper(
wire2, wire1, input_parameters['taper_length'],
(-input_parameters['cavity_length'] / 2., 0, 0), (0, 180, 0))
beampipe_vac2 = make_beampipe(face2, input_parameters['cavity_length'])
taper_vac2 = make_taper(wire2, wire1, input_parameters['taper_length'],
(input_parameters['cavity_length'] / 2., 0, 0))
beampipe_vac3 = make_beampipe(
face1, input_parameters['racetrack_length'],
(input_parameters['racetrack_length'] / 2. +
input_parameters['taper_length'] +
input_parameters['cavity_length'] / 2., 0, 0))
beampipe1 = make_beampipe(
face3, input_parameters['racetrack_length'],
(-input_parameters['racetrack_length'] / 2. -
input_parameters['taper_length'] -
input_parameters['cavity_length'] / 2., 0, 0))
taper1 = make_taper(wire4, wire3, input_parameters['taper_length'],
(-input_parameters['cavity_length'] / 2., 0, 0),
(0, 180, 0))
beampipe2 = make_beampipe(face4, input_parameters['cavity_length'])
taper2 = make_taper(wire4, wire3, input_parameters['taper_length'],
(input_parameters['cavity_length'] / 2., 0, 0))
beampipe3 = make_beampipe(
face3, input_parameters['racetrack_length'],
(input_parameters['racetrack_length'] / 2. +
input_parameters['taper_length'] +
input_parameters['cavity_length'] / 2., 0, 0))
fin1 = beampipe1.fuse(taper1)
fin2 = fin1.fuse(beampipe2)
fin3 = fin2.fuse(taper2)
fin4 = fin3.fuse(beampipe3)
vac1 = beampipe_vac1.fuse(taper_vac1)
vac2 = vac1.fuse(beampipe_vac2)
vac3 = vac2.fuse(taper_vac2)
vac4 = vac3.fuse(beampipe_vac3)
full_pipe = fin4.cut(vac4)
except Exception as e:
raise ModelException(e)
# An entry in the parts dictionary corresponds to an STL file. This is useful for parts of differing materials.
parts = {'pipe': full_pipe, 'vac': vac4}
return parts, os.path.splitext(os.path.basename(MODEL_NAME))[0]
def simple_stripline_model(input_parameters):
""" Generates the geometry for a simplified stripline in FreeCAD. Also writes out the geometry as STL files
and writes a "sidecar" text file containing the input parameters used.
Args:
input_parameters (dict): Dictionary of input parameter names and values.
"""
try:
# Make cavity
wire1, face1 = make_circular_aperture(input_parameters['pipe_radius'])
wire2, face2 = make_circular_aperture(
input_parameters['cavity_radius'])
beampipe1 = make_beampipe(
face1, input_parameters['pipe_length'],
(-input_parameters['pipe_length'] / 2. -
input_parameters['cavity_length'] / 2., 0, 0))
beampipe3 = make_beampipe(
face1, input_parameters['pipe_length'],
(input_parameters['pipe_length'] / 2. +
input_parameters['cavity_length'] / 2., 0, 0))
beampipe2 = make_beampipe(face2, input_parameters['cavity_length'])
fin1 = beampipe1.fuse(beampipe2)
outer = fin1.fuse(beampipe3)
# Basic feedthrough
cylinder1 = Part.makeCylinder(
input_parameters['feedthrough_hole_radius'], 100,
Base.Vector(-input_parameters['port_offset'], -35, 0),
Base.Vector(0, -1, 0))
cylinder2 = Part.makeCylinder(
input_parameters['feedthrough_hole_radius'], 100,
Base.Vector(input_parameters['port_offset'], -35, 0),
Base.Vector(0, -1, 0))
cylinder3 = Part.makeCylinder(
input_parameters['feedthrough_hole_radius'], 100,
Base.Vector(-input_parameters['port_offset'], 35, 0),
Base.Vector(0, 1, 0))
cylinder4 = Part.makeCylinder(
input_parameters['feedthrough_hole_radius'], 100,
Base.Vector(input_parameters['port_offset'], 35, 0),
Base.Vector(0, 1, 0))
# Pins
pin1 = Part.makeCylinder(
input_parameters['feedthrough_pin_radius'],
input_parameters['cavity_radius'] -
input_parameters['stripline_offset'],
Base.Vector(-input_parameters['port_offset'], -30, 0),
Base.Vector(0, -1, 0))
pin2 = Part.makeCylinder(
input_parameters['feedthrough_pin_radius'],
input_parameters['cavity_radius'] -
input_parameters['stripline_offset'],
Base.Vector(input_parameters['port_offset'], -30, 0),
Base.Vector(0, -1, 0))
pin3 = Part.makeCylinder(
input_parameters['feedthrough_pin_radius'],
input_parameters['cavity_radius'] -
input_parameters['stripline_offset'],
Base.Vector(-input_parameters['port_offset'], 30, 0),
Base.Vector(0, 1, 0))
pin4 = Part.makeCylinder(
input_parameters['feedthrough_pin_radius'],
input_parameters['cavity_radius'] -
input_parameters['stripline_offset'],
Base.Vector(input_parameters['port_offset'], 30, 0),
Base.Vector(0, 1, 0))
# Basic striplines
stripline1 = Part.makeBox(
input_parameters['stripline_length'], 2,
input_parameters['stripline_width'],
Base.Vector(-input_parameters['stripline_length'] / 2., 30,
-input_parameters['stripline_width'] / 2.))
stripline2 = Part.makeBox(
input_parameters['stripline_length'], 2,
input_parameters['stripline_width'],
Base.Vector(-input_parameters['stripline_length'] / 2., -30,
-input_parameters['stripline_width'] / 2.))
diff3 = outer.cut(cylinder1)
diff4 = diff3.cut(cylinder2)
diff5 = diff4.cut(cylinder3)
diff6 = diff5.cut(cylinder4)
pins = pin1.fuse(pin2)
pins = pins.fuse(pin3)
pins = pins.fuse(pin4)
striplines = stripline1.fuse(stripline2)
except Exception as e:
raise ModelException(e)
# An entry in the parts dictionary corresponds to an STL file. This is useful for parts of differing materials.
parts = {'cavity': diff6, 'striplines': striplines, 'pins': pins}
return parts, os.path.splitext(os.path.basename(MODEL_NAME))[0]