# Flattening filter for Siemens Oncor 6 MV x-ray beam
# Reference for geometry: Sawkey and Faddegon, Med Phys 36(12):5622-32, 2009
#
###################### Key Parameters In Flattener6MV.txt ############################
# Parameters set in another parameter control file...
# SAD: Source axis distance (distance from nominal source position to isocenter)
#
# Parameters available for adjustment...
# Pos: Distance along beam axis Zg from nominal target position (SAD from isocenter)
# RInner: Inner radius of HPolycone for each layer (Vector)
# ROuter: Outer radius of HPolycone for each layer (Vector)
# Z: Thickness for each layer (Vector)
#
# Parameters calculated from above parameters...
# TransZ: Position of center of object along Zg
#######################################################################################
includeFile = LinacDefaults.txt #Values in LinacDafaults.txt may be overriden
# 6 MV Siemens Oncor flattening filter
# Split into central portion 1 plus outer downstream portion 2
iv:Gr/Color/TransparentOrange = 4 241 224 0 200
sv:Ma/StainlessSteel/Components = 6 "Carbon" "Silicon" "Chromium" "Manganese" "Iron" "Nickel"
uv:Ma/StainlessSteel/Fractions = 6 .001 .007 .18 .01 .712 .09
d:Ma/StainlessSteel/Density = 7.84 g/cm3
s:Ma/StainlessSteel/DefaultColor = "TransparentOrange"
s:Ge/FlatteningFilter1/Parent = "IEC_G"
s:Ge/FlatteningFilter1/Type = "G4HPolycone"
s:Ge/FlatteningFilter1/Material = "StainlessSteel"
d:Ge/FlatteningFilter1/Pos = 7.91 cm
dv:Ge/FlatteningFilter1/RInner = 9 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 cm
dv:Ge/FlatteningFilter1/ROuter = 9 0.127 0.302 0.33 0.907 1.384 2.776 2.776 1.758 1.471 cm
dv:Ge/FlatteningFilter1/Z = 9 0.0 -0.32 -0.371 -1.12 -1.666 -1.666 -1.768 -1.768 -2.093 cm
d:Ge/FlatteningFilter1/TransZ = Ge/SAD - Ge/FlatteningFilter1/Pos cm
s:Ge/FlatteningFilter1/Color = "TransparentOrange"
s:Ge/FlatteningFilter1/DrawingStyle = "Solid"
s:Ge/FlatteningFilter2/Parent = "IEC_G"
s:Ge/FlatteningFilter2/Type = "G4HPolycone"
s:Ge/FlatteningFilter2/Material = "StainlessSteel"
dv:Ge/FlatteningFilter2/RInner = 2 1.859 2.045 cm
dv:Ge/FlatteningFilter2/ROuter = 2 2.776 2.776 cm
dv:Ge/FlatteningFilter2/Z = 2 -1.768 -2.174 cm
d:Ge/FlatteningFilter2/Pos = 7.91 cm
d:Ge/FlatteningFilter2/TransZ = Ge/SAD - Ge/FlatteningFilter2/Pos cm
s:Ge/FlatteningFilter2/Color = "Grey"
s:Ge/FlatteningFilter2/DrawingStyle = "Solid"