# Pixel Width
x_pixel_offset = file["/entry/instrument/bank1/x_pixel_offset"].value
pixel_xsize = x_pixel_offset[1] - x_pixel_offset[0]
# Lets just make them bigger for a moment so we can see them
pixel_xsize *= 5.0
pixel_ysize *= 2.0
# arbitary value plucked from thin air!
detector_depth = 0.01
left_front_bottom = ((-pixel_xsize/2.0), (-pixel_ysize/2.0), 0.0)
left_front_top = ((-pixel_xsize/2.0), (pixel_ysize/2.0), 0.0)
left_back_bottom = ((-pixel_xsize/2.0), (-pixel_ysize/2.0), -detector_depth)
right_front_bottom = ((pixel_xsize/2.0), (-pixel_ysize/2.0), 0.0)
det.addComment("PIXEL")
det.addCuboidPixel("pixel", left_front_bottom, left_front_top, left_back_bottom, right_front_bottom, "detector")
det.addComment("MONITOR SHAPE")
det.addComment("FIXME: Do something real here.")
det.addDummyMonitor(0.01, 0.03)
det.addComment("MONITOR IDs")
det.addMonitorIds(["-1"])
det.showGeom()
det.writeGeom(xml_outfile)
# Pixel Width
x_pixel_offset = file["/entry/instrument/bank1/x_pixel_offset"].value
pixel_xsize = x_pixel_offset[1] - x_pixel_offset[0]
# Lets just make them bigger for a moment so we can see them
pixel_xsize *= 5.0
pixel_ysize *= 2.0
# arbitary value plucked from thin air!
detector_depth = 0.01
left_front_bottom = ((-pixel_xsize / 2.0), (-pixel_ysize / 2.0), 0.0)
left_front_top = ((-pixel_xsize / 2.0), (pixel_ysize / 2.0), 0.0)
left_back_bottom = ((-pixel_xsize / 2.0), (-pixel_ysize / 2.0),
-detector_depth)
right_front_bottom = ((pixel_xsize / 2.0), (-pixel_ysize / 2.0), 0.0)
det.addComment("PIXEL")
det.addCuboidPixel("pixel", left_front_bottom, left_front_top,
left_back_bottom, right_front_bottom, "detector")
det.addComment("MONITOR SHAPE")
det.addComment("FIXME: Do something real here.")
det.addDummyMonitor(0.01, 0.03)
det.addComment("MONITOR IDs")
det.addMonitorIds(["-1"])
det.showGeom()
det.writeGeom(xml_outfile)
def main():
from helper import MantidGeom
inst_name = "VISION"
xml_outfile = inst_name + "_Definition.xml"
det = MantidGeom(inst_name, comment=" Created by Stuart Campbell ")
det.addSnsDefaults(indirect=True)
det.addComment("SOURCE AND SAMPLE POSITION")
det.addModerator(-16.0)
det.addSamplePosition()
# Backscattering Banks are 21-100
BACKSCATTERING_NTUBES = 80
det.addComponent("elastic-backscattering", "elastic-backscattering")
handle = det.makeTypeElement("elastic-backscattering")
idlist = []
for k in range(BACKSCATTERING_NTUBES):
id_start = 26624 + (256 * k)
id_end = 26624 + (256 * k) + 255
angle = -(2.25 + 4.5 * k)
bankid = 21 + k
bank_name = "bank%d" % bankid
det.addComponent(bank_name, root=handle)
z_coord = -0.998
if k % 2 == 0:
# Even tube number (long)
centre_offset = BS_ELASTIC_LONG_TUBE_INNER_RADIUS + (
BS_ELASTIC_LONG_TUBE_LENGTH / 2.0)
#centre_offset = BS_ELASTIC_LONG_TUBE_INNER_RADIUS
component_name = "tube-long-bs-elastic"
else:
# Odd tube number (short)
centre_offset = BS_ELASTIC_SHORT_TUBE_INNER_RADIUS + (
BS_ELASTIC_SHORT_TUBE_LENGTH / 2.0)
component_name = "tube-short-bs-elastic"
x_coord = centre_offset * math.cos(math.radians(90 - angle))
y_coord = centre_offset * math.sin(math.radians(90 - angle))
det.addDetector(x_coord, y_coord, z_coord, 0, 0, -angle, bank_name,
component_name)
idlist.append(id_start)
idlist.append(id_end)
idlist.append(None)
det.addDetectorIds("elastic-backscattering", idlist)
# 90 elastic banks
elastic_banklist = [3, 6, 9, 12, 15, 18]
elastic_bank_start = [2048, 6144, 10240, 14336, 18432, 22528]
elastic_angle = [22.5, -22.5, -67.5, -112.5, -157.5, 157.5]
sample_elastic_distance = 0.635
det.addComponent("elastic", "elastic")
handle = det.makeTypeElement("elastic")
idlist = []
elastic_index = 0
for i in elastic_banklist:
bank_name = "bank%d" % i
det.addComponent(bank_name, root=handle)
z_coord = 0.0
x_coord = sample_elastic_distance * math.cos(
math.radians(elastic_angle[elastic_index]))
y_coord = sample_elastic_distance * math.sin(
math.radians(elastic_angle[elastic_index]))
det.addDetector(x_coord,
y_coord,
z_coord,
-90.0,
0,
0.,
bank_name,
"eightpack-elastic",
facingSample=True)
idlist.append(elastic_bank_start[elastic_index])
idlist.append(elastic_bank_start[elastic_index] + 2047)
idlist.append(None)
elastic_index += 1
det.addDetectorIds("elastic", idlist)
# Inelastic
inelastic_banklist = [1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 17, 19, 20]
inelastic_bank_start = [
0, 1024, 4096, 5120, 8192, 9216, 12288, 13312, 16384, 17408, 20480,
21504, 24576, 25600
]
inelastic_angle = [
45.0, 45.0, 0.0, 0.0, -45.0, -45.0, -90.0, -90.0, -135.0, -135.0,
180.0, 180.0, 135.0, 135.0
]
inelastic_angle_for_rotation = [
-45.0, -45.0, 180.0, 180.0, -135.0, -135.0, -90.0, -90.0, -225.0,
-225.0, 0.0, 0.0, 45.0, 45.0
]
sample_inelastic_distance = 0.5174
det.addComponent("inelastic", "inelastic")
handle = det.makeTypeElement("inelastic")
idlist = []
inelastic_index = 0
for i in inelastic_banklist:
bank_name = "bank%d" % i
bank_comp = det.addComponent(bank_name,
root=handle,
blank_location=True)
# location_element = le.SubElement(bank_comp, "location")
# le.SubElement(location_element, "rot", **{"val":"90", "axis-x":"0",
# "axis-y":"0", "axis-z":"1"})
# Neutronic Positions
z_coord_neutronic = sample_inelastic_distance * math.tan(
math.radians(45.0))
if inelastic_index % 2 == 0:
# Facing Downstream
z_coord = 0.01
else:
# Facing to Moderator
z_coord = -0.01
z_coord_neutronic = -z_coord_neutronic
# Physical Positions
x_coord = sample_inelastic_distance * math.cos(
math.radians(inelastic_angle[inelastic_index]))
y_coord = sample_inelastic_distance * math.sin(
math.radians(inelastic_angle[inelastic_index]))
det.addDetector(-x_coord,
y_coord,
z_coord,
0,
0,
inelastic_angle_for_rotation[inelastic_index] - 90.0,
bank_name,
"eightpack-inelastic",
neutronic=True,
nx=-x_coord,
ny=y_coord,
nz=z_coord_neutronic)
efixed = ("Efixed", "3.64", "meV")
det.addDetectorParameters(bank_name, efixed)
idlist.append(inelastic_bank_start[inelastic_index])
idlist.append(inelastic_bank_start[inelastic_index] + 1023)
idlist.append(None)
inelastic_index += 1
det.addDetectorIds("inelastic", idlist)
# 8 packs
det.addComment("INELASTIC 8-PACK")
det.addNPack("eightpack-inelastic",
INELASTIC_TUBES_PER_BANK,
INELASTIC_TUBE_WIDTH,
INELASTIC_AIR_GAP,
"tube-inelastic",
neutronic=True)
det.addComment("ELASTIC 8-PACK")
det.addNPack("eightpack-elastic",
ELASTIC_TUBES_PER_BANK,
ELASTIC_TUBE_WIDTH,
ELASTIC_AIR_GAP,
"tube-elastic",
neutronic=True,
neutronicIsPhysical=True)
# TUBES
det.addComment("INELASTIC TUBE")
det.addPixelatedTube("tube-inelastic",
INELASTIC_TUBE_NPIXELS,
INELASTIC_TUBE_LENGTH,
"pixel-inelastic-tube",
neutronic=True)
det.addComment("BACKSCATTERING LONG TUBE")
det.addPixelatedTube("tube-long-bs-elastic",
BS_ELASTIC_LONG_TUBE_NPIXELS,
BS_ELASTIC_LONG_TUBE_LENGTH,
"pixel-bs-elastic-long-tube",
neutronic=True,
neutronicIsPhysical=True)
det.addComment("BACKSCATTERING SHORT TUBE")
det.addPixelatedTube("tube-short-bs-elastic",
BS_ELASTIC_SHORT_TUBE_NPIXELS,
BS_ELASTIC_SHORT_TUBE_LENGTH,
"pixel-bs-elastic-short-tube",
neutronic=True,
neutronicIsPhysical=True)
det.addComment("ELASTIC TUBE (90 degrees)")
det.addPixelatedTube("tube-elastic",
ELASTIC_TUBE_NPIXELS,
ELASTIC_TUBE_LENGTH,
"pixel-elastic-tube",
neutronic=True,
neutronicIsPhysical=True)
# PIXELS
det.addComment("PIXEL FOR INELASTIC TUBES")
det.addCylinderPixel("pixel-inelastic-tube", (0.0, 0.0, 0.0),
(0.0, 1.0, 0.0), (INELASTIC_TUBE_WIDTH / 2.0),
(INELASTIC_TUBE_LENGTH / INELASTIC_TUBE_NPIXELS))
det.addComment("PIXEL FOR BACKSCATTERING ELASTIC TUBES (LONG)")
det.addCylinderPixel(
"pixel-bs-elastic-long-tube", (0.0, 0.0, 0.0), (0.0, 1.0, 0.0),
(BS_ELASTIC_LONG_TUBE_WIDTH / 2.0),
(BS_ELASTIC_LONG_TUBE_LENGTH / BS_ELASTIC_LONG_TUBE_NPIXELS))
det.addComment("PIXEL FOR BACKSCATTERING ELASTIC TUBES (SHORT)")
det.addCylinderPixel(
"pixel-bs-elastic-short-tube", (0.0, 0.0, 0.0), (0.0, 1.0, 0.0),
(BS_ELASTIC_SHORT_TUBE_WIDTH / 2.0),
(BS_ELASTIC_SHORT_TUBE_LENGTH / BS_ELASTIC_SHORT_TUBE_NPIXELS))
det.addComment("PIXEL FOR ELASTIC TUBES (90 degrees)")
det.addCylinderPixel("pixel-elastic-tube", (0.0, 0.0, 0.0),
(0.0, 1.0, 0.0), (ELASTIC_TUBE_WIDTH / 2.0),
(ELASTIC_TUBE_LENGTH / ELASTIC_TUBE_NPIXELS))
det.addComment(" ##### MONITORS ##### ")
det.addMonitors(names=["monitor1"], distance=["-6.71625"], neutronic=True)
# MONITORS
det.addComment("MONITOR SHAPE")
det.addComment("FIXME: Do something real here.")
det.addDummyMonitor(0.01, 0.03)
det.addComment("MONITOR IDs")
det.addMonitorIds(["-1"])
det.showGeom()
det.writeGeom(xml_outfile)
def main():
from helper import MantidGeom
inst_name = "VISION"
xml_outfile = inst_name+"_Definition.xml"
det = MantidGeom(inst_name, comment=" Created by Stuart Campbell ")
det.addSnsDefaults(indirect=True)
det.addComment("SOURCE AND SAMPLE POSITION")
det.addModerator(-16.0)
det.addSamplePosition()
# Backscattering Banks are 21-100
BACKSCATTERING_NTUBES = 80
det.addComponent("elastic-backscattering", "elastic-backscattering")
handle = det.makeTypeElement("elastic-backscattering")
idlist = []
for k in range(BACKSCATTERING_NTUBES):
id_start = 26624+(256*k)
id_end = 26624 + (256*k) + 255
angle = -(2.25 + 4.5*k)
bankid = 21 + k
bank_name = "bank%d" % bankid
det.addComponent(bank_name, root=handle)
z_coord = -0.998
if k%2 == 0:
# Even tube number (long)
centre_offset = BS_ELASTIC_LONG_TUBE_INNER_RADIUS + (BS_ELASTIC_LONG_TUBE_LENGTH/2.0)
#centre_offset = BS_ELASTIC_LONG_TUBE_INNER_RADIUS
component_name = "tube-long-bs-elastic"
else:
# Odd tube number (short)
centre_offset = BS_ELASTIC_SHORT_TUBE_INNER_RADIUS + (BS_ELASTIC_SHORT_TUBE_LENGTH/2.0)
component_name = "tube-short-bs-elastic"
x_coord = centre_offset * math.cos(math.radians(90-angle))
y_coord = centre_offset * math.sin(math.radians(90-angle))
det.addDetector(x_coord, y_coord, z_coord, 0, 0, -angle, bank_name, component_name)
idlist.append(id_start)
idlist.append(id_end)
idlist.append(None)
det.addDetectorIds("elastic-backscattering", idlist)
# 90 elastic banks
elastic_banklist = [3,6,9,12,15,18]
elastic_bank_start = [2048,6144,10240,14336,18432,22528]
elastic_angle = [22.5,-22.5,-67.5,-112.5,-157.5,157.5]
sample_elastic_distance = 0.635
det.addComponent("elastic", "elastic")
handle = det.makeTypeElement("elastic")
idlist = []
elastic_index = 0
for i in elastic_banklist:
bank_name = "bank%d" % i
det.addComponent(bank_name, root=handle)
z_coord = 0.0
x_coord = sample_elastic_distance * math.cos(math.radians(elastic_angle[elastic_index]))
y_coord = sample_elastic_distance * math.sin(math.radians(elastic_angle[elastic_index]))
det.addDetector(x_coord, y_coord, z_coord, -90.0, 0, 0., bank_name, "eightpack-elastic", facingSample=True)
idlist.append(elastic_bank_start[elastic_index])
idlist.append(elastic_bank_start[elastic_index]+2047)
idlist.append(None)
elastic_index += 1
det.addDetectorIds("elastic", idlist)
# Inelastic
inelastic_banklist = [1,2,4,5,7,8,10,11,13,14,16,17,19,20]
inelastic_bank_start=[0,1024,4096,5120,8192,9216,12288,13312,16384,17408,20480,21504,24576,25600]
inelastic_angle = [45.0,45.0,0.0,0.0,-45.0,-45.0,-90.0,-90.0,-135.0,-135.0,180.0,180.0,135.0,135.0]
inelastic_angle_for_rotation = [-45.0,-45.0,180.0,180.0,-135.0,-135.0,-90.0,-90.0,-225.0,-225.0,0.0,0.0,45.0,45.0]
sample_inelastic_distance = 0.5174
det.addComponent("inelastic", "inelastic")
handle = det.makeTypeElement("inelastic")
idlist = []
inelastic_index = 0
for i in inelastic_banklist:
bank_name = "bank%d" % i
bank_comp = det.addComponent(bank_name, root=handle, blank_location=True)
# location_element = le.SubElement(bank_comp, "location")
# le.SubElement(location_element, "rot", **{"val":"90", "axis-x":"0",
# "axis-y":"0", "axis-z":"1"})
# Neutronic Positions
z_coord_neutronic = sample_inelastic_distance * math.tan(math.radians(45.0))
if inelastic_index % 2 == 0:
# Facing Downstream
z_coord = 0.01
else:
# Facing to Moderator
z_coord = -0.01
z_coord_neutronic = -z_coord_neutronic
# Physical Positions
x_coord = sample_inelastic_distance * math.cos(math.radians(inelastic_angle[inelastic_index]))
y_coord = sample_inelastic_distance * math.sin(math.radians(inelastic_angle[inelastic_index]))
det.addDetector(-x_coord, y_coord, z_coord, 0, 0, inelastic_angle_for_rotation[inelastic_index]-90.0, bank_name,
"eightpack-inelastic", neutronic=True, nx=-x_coord, ny=y_coord, nz=z_coord_neutronic)
efixed = ("Efixed", "3.64", "meV")
det.addDetectorParameters(bank_name, efixed )
idlist.append(inelastic_bank_start[inelastic_index])
idlist.append(inelastic_bank_start[inelastic_index]+1023)
idlist.append(None)
inelastic_index += 1
det.addDetectorIds("inelastic", idlist)
# 8 packs
det.addComment("INELASTIC 8-PACK")
det.addNPack("eightpack-inelastic", INELASTIC_TUBES_PER_BANK, INELASTIC_TUBE_WIDTH,
INELASTIC_AIR_GAP, "tube-inelastic", neutronic=True)
det.addComment("ELASTIC 8-PACK")
det.addNPack("eightpack-elastic", ELASTIC_TUBES_PER_BANK, ELASTIC_TUBE_WIDTH,
ELASTIC_AIR_GAP, "tube-elastic", neutronic=True, neutronicIsPhysical=True)
# TUBES
det.addComment("INELASTIC TUBE")
det.addPixelatedTube("tube-inelastic", INELASTIC_TUBE_NPIXELS,
INELASTIC_TUBE_LENGTH, "pixel-inelastic-tube", neutronic=True)
det.addComment("BACKSCATTERING LONG TUBE")
det.addPixelatedTube("tube-long-bs-elastic", BS_ELASTIC_LONG_TUBE_NPIXELS,
BS_ELASTIC_LONG_TUBE_LENGTH, "pixel-bs-elastic-long-tube",
neutronic=True, neutronicIsPhysical=True)
det.addComment("BACKSCATTERING SHORT TUBE")
det.addPixelatedTube("tube-short-bs-elastic", BS_ELASTIC_SHORT_TUBE_NPIXELS,
BS_ELASTIC_SHORT_TUBE_LENGTH, "pixel-bs-elastic-short-tube",
neutronic=True, neutronicIsPhysical=True)
det.addComment("ELASTIC TUBE (90 degrees)")
det.addPixelatedTube("tube-elastic", ELASTIC_TUBE_NPIXELS,
ELASTIC_TUBE_LENGTH, "pixel-elastic-tube", neutronic=True, neutronicIsPhysical=True)
# PIXELS
det.addComment("PIXEL FOR INELASTIC TUBES")
det.addCylinderPixel("pixel-inelastic-tube", (0.0, 0.0, 0.0), (0.0, 1.0, 0.0),
(INELASTIC_TUBE_WIDTH/2.0),
(INELASTIC_TUBE_LENGTH/INELASTIC_TUBE_NPIXELS))
det.addComment("PIXEL FOR BACKSCATTERING ELASTIC TUBES (LONG)")
det.addCylinderPixel("pixel-bs-elastic-long-tube", (0.0, 0.0, 0.0), (0.0, 1.0, 0.0),
(BS_ELASTIC_LONG_TUBE_WIDTH/2.0),
(BS_ELASTIC_LONG_TUBE_LENGTH/BS_ELASTIC_LONG_TUBE_NPIXELS))
det.addComment("PIXEL FOR BACKSCATTERING ELASTIC TUBES (SHORT)")
det.addCylinderPixel("pixel-bs-elastic-short-tube", (0.0, 0.0, 0.0), (0.0, 1.0, 0.0),
(BS_ELASTIC_SHORT_TUBE_WIDTH/2.0),
(BS_ELASTIC_SHORT_TUBE_LENGTH/BS_ELASTIC_SHORT_TUBE_NPIXELS))
det.addComment("PIXEL FOR ELASTIC TUBES (90 degrees)")
det.addCylinderPixel("pixel-elastic-tube", (0.0, 0.0, 0.0), (0.0, 1.0, 0.0),
(ELASTIC_TUBE_WIDTH/2.0),
(ELASTIC_TUBE_LENGTH/ELASTIC_TUBE_NPIXELS))
det.addComment(" ##### MONITORS ##### ")
det.addMonitors(names=["monitor1"], distance=["-6.71625"], neutronic=True)
# MONITORS
det.addComment("MONITOR SHAPE")
det.addComment("FIXME: Do something real here.")
det.addDummyMonitor(0.01, 0.03)
det.addComment("MONITOR IDs")
det.addMonitorIds(["-1"])
det.showGeom()
det.writeGeom(xml_outfile)
