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Allow wavelengths below 4.6125 Angstroms for velocity selector on quokka

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Ferdi Franceschini
2013-08-15 08:08:36 +10:00
parent d038891bc1
commit 335eda0a55
1 changed files with 4 additions and 4 deletions
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8
site_ansto/instrument/sans/config/velsel/sct_velsel.tcl
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@@ -114,10 +114,10 @@ namespace eval ::scobj::velocity_selector {
set VNeutron $nvs43Par(VNeutron)
}
}
if {$lambda1 < 4.6125} {
return -code error "Minimum wavelength is 4.6125 Angstrom"
}
# 2013-08-01 ffr: The Astrium program does allow wavelengths below 4.6125 Angstroms
# if {$lambda1 < 4.6125} {
# return -code error "Minimum wavelength is 4.6125 Angstrom"
# }
set lambda0 [expr ($m_dTwistAngle*60.0*$VNeutron)/(360.0*$m_dLength*$m_iMaxSpeed)]
set pi [expr acos(-1)]