Nuke - Nan Be Gone

set cut_paste_input [stack 0]
version 11.3 v3
push $cut_paste_input
Group {
name NaNbeGone
help "Finds Negative, infinite, and NaN pixels and gives them an alpha value of 0 with the good pixels get a value of 1.  Then the input is premulted using that alpha, then merged atop a blurred version of the input to \"fill\" in the bad pixel.  \n\n"
selected true
xpos 8793
ypos 13394
addUserKnob {20 NaNbeGone l "Nan Be Gone"}
addUserKnob {7 blurSize l "Blur Size" t "-controls the blurring of the surrounding pixels to fill in the dead pix." R 0 10}
blurSize 1
addUserKnob {4 alphaSwitch l "Alpha Channel:" M {"Do nothing" "Clamp blacks to zero" "Fill inf, nan and neg pixels with blur" ""}}
alphaSwitch "Clamp blacks to zero"
}
Input {
inputs 0
name Input1
xpos 462
ypos 489
}
Dot {
name Dot118
xpos 496
ypos 529
}
set N4e110fd0 [stack 0]
Dot {
name Dot2
xpos 800
ypos 529
}
set N41d72e80 [stack 0]
Dot {
name Dot1
xpos 930
ypos 529
}
set Nf1335a10 [stack 0]
Shuffle {
red alpha
green alpha
blue alpha
name Shuffle9
label alpha>red
xpos 1007
ypos 520
}
set N8fcf41c0 [stack 0]
Expression {
expr3 r<0||g<0||b<0||isinf(r)||isinf(g)||isinf(b)||isnan(r)||isnan(g)||isnan(b)?0:1
name Expression5
label <0?
xpos 1156
ypos 598
disable {{curve}}
}
set N1796e940 [stack 0]
Invert {
channels alpha
name Invert7
xpos 1156
ypos 670
}
push $N1796e940
push $N8fcf41c0
Copy {
inputs 2
from0 rgba.alpha
to0 rgba.alpha
name Copy8
xpos 1007
ypos 598
}
Premult {
name Premult10
xpos 1007
ypos 697
}
set Nddf8a630 [stack 0]
Blur {
size {{blurSize}}
name Blur10
xpos 1007
ypos 729
}
Unpremult {
name Unpremult6
xpos 1007
ypos 776
}
push $Nddf8a630
Merge2 {
inputs 2+1
bbox intersection
name Merge86
xpos 1156
ypos 776
}
Shuffle {
green red
blue red
alpha red
name Shuffle19
label RED
xpos 1156
ypos 831
}
push $Nf1335a10
Clamp {
channels alpha
name Clamp1
xpos 896
ypos 731
}
push $N41d72e80
Switch {
inputs 3
which {{alphaSwitch}}
name Switch1
xpos 766
ypos 1026
}
push $N4e110fd0
Expression {
expr3 r<0||g<0||b<0||isinf(r)||isinf(g)||isinf(b)||isnan(r)||isnan(g)||isnan(b)?0:1
name Expression1
label <0?
xpos 611
ypos 597
disable {{curve}}
}
set N9f2fea90 [stack 0]
Invert {
channels alpha
name Invert3
xpos 611
ypos 665
}
push $N9f2fea90
push $N4e110fd0
Copy {
inputs 2
from0 rgba.alpha
to0 rgba.alpha
name Copy7
xpos 462
ypos 597
}
Premult {
name Premult9
xpos 462
ypos 696
}
set Ne919c0b0 [stack 0]
Blur {
size {{blurSize}}
name Blur3
xpos 462
ypos 727
}
Unpremult {
name Unpremult5
xpos 462
ypos 775
}
push $Ne919c0b0
Merge2 {
inputs 2+1
bbox intersection
name Merge79
xpos 611
ypos 775
}
Copy {
inputs 2
from0 rgba.alpha
to0 rgba.alpha
name Copy11
xpos 611
ypos 1020
}
Dot {
name Dot119
xpos 645
ypos 1265
}
Output {
name Output1
xpos 611
ypos 1363
}
end_group