40 lines
1.2 KiB
Tcl
40 lines
1.2 KiB
Tcl
VarMake detector_distance Float User
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VarMake detector_base Float User
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VarMake slit4_distance Float User
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VarMake slit4_base Float User
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VarMake sample_distance Float User
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VarMake sample_base Float User
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VarMake slit3_distance Float User
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VarMake slit3_base Float User
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detector_distance 10000
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detector_base 300
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slit4_distance 6000
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slit4_base 20
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sample_distance 5800
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sample_base 50
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slit3_distance 5600
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slit3_base 20
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proc set_two_theta { arg } {
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set rad [expr ($arg/180.0)*3.1415926535897932384626433832795]
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set d1 [expr [SplitReply [detector_distance]] - [SplitReply [sample_distance]]]
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set d2 [expr [SplitReply [slit4_distance]] - [SplitReply [sample_distance]]]
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set h1 [expr [SplitReply [detector_base]] + $d1 * tan($rad)]
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set h2 [expr [SplitReply [slit4_base]] + $d2 * tan($rad)]
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return "dz=$h1,st4vt=$h2"
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}
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publish set_two_theta user
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proc get_two_theta {} {
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set d1 [expr [SplitReply [detector_distance]] - [SplitReply [sample_distance]]]
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set h1 [expr [SplitReply [dz]] - [SplitReply [detector_base]]]
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return [expr (180.0*atan2($h1, $d1))/3.1415926535897932384626433832795]
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}
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publish get_two_theta user
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MakeConfigurableMotor two_theta
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two_theta readscript get_two_theta
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two_theta drivescript set_two_theta
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