Jaws.txtΒΆ

# Jaws for Siemens Oncor: Uses TOPAS component Jaws
# Reference for geometry: Jabbari et al, J Med Signal Sens 3(3):172-179

############################# Parameter Descriptions #################################
# SAD: Source axis distance (nominal distance from x-ray target to gantry rotation axis)
# SourceToUpstreamSurfaceDistance: Distance from x-ray target to jaw
# PositiveFieldSetting: Positive jaw position projected to isocenter 
# NegativeFieldSetting: NegativeFieldSetting <= PositiveFieldSetting
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includeFile = LinacDefaults.txt #Values in LinacDafaults.txt may be overriden

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s:Ge/Jaw/JawTravelAxis  = "Y" # Jaw travel axis, "X" or "Y"
dc:Ge/Jaw/PositiveFieldSetting  = 20 cm
dc:Ge/Jaw/NegativeFieldSetting  = -20 cm

s:Ge/Jaw/Parent         = "IEC_B"
s:Ge/Jaw/Type           = "TsJaws"
s:Ge/Jaw/Material       = "G4_W"

d:Ge/Jaw/LX             = 20. cm  # Actual jaw width along JawTravelAxis
d:Ge/Jaw/LY             = 20. cm  # Actual jaw length perpendicular to JawTravelAxis
d:Ge/Jaw/LZ             = 7.80 cm # Jaw thickness along IEC Zb axis
dc:Ge/Jaw/SourceToUpstreamSurfaceDistance = 19.73 cm #Distance from x-ray target to jaw 
d:Ge/Jaw/SAD        	= Ge/SAD cm

s:Ge/Jaw/DrawingStyle   = "Solid"
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