Differential grain extractor

diff_grain.nk

set cut_paste_input [stack 0]
version 7.0 v6
push $cut_paste_input
push 0
Group {
inputs 2
name JT_ExtractGrain
selected true
xpos 291
ypos -489
}
Input {
inputs 0
name raw
xpos 145
ypos -589
}
Invert {
name Invert1
xpos 145
ypos -449
}
Input {
inputs 0
name filtered
xpos -75
ypos -590
number 1
}
Merge2 {
inputs 2
operation plus
name Merge1
xpos -75
ypos -444
}
Add {
value -0.5
name Add1
xpos -75
ypos -420
}
Output {
name Output1
xpos -75
ypos -320
}
end_group