An unfinished VHS filter for Nuke 13+

hw_vhs.nk

set cut_paste_input [stack 0]
version 13.1 v3
push $cut_paste_input
Group {
 name hw_vhs
 tile_color 0x343334ff
 selected true
 xpos 97
 ypos 115
 addUserKnob {20 tape l Tape}
 addUserKnob {20 tape_chromasubsample l "Chroma Sub-Sampling" n 1}
 addUserKnob {41 size_1 l "chroma blur" t "Simulates chroma subsampling" T chromaBlur.size}
 addUserKnob {41 size l "luminace blur" T lumaBlur.size}
 addUserKnob {20 endGroup_5 n -1}
 addUserKnob {20 tape_chromaweave l "Chroma Weave" n 1}
 tape_chromaweave 0
 addUserKnob {41 translate l "translate Cb" T TransformCb.translate}
 addUserKnob {41 translate_1 l "translate Cr" T TransformCr.translate}
 addUserKnob {26 tape_chromaweave_x_divider l "X-Axis Transform" t "The X & Y axis chroma weave transforms control sine waves that move both chroma channels around while leaving the luma channel intact."}
 addUserKnob {41 minVal_1 l "min value" T ChromaWeaveX.minVal}
 addUserKnob {41 maxVal_1 l "max value" T ChromaWeaveX.maxVal}
 addUserKnob {41 waveLength_1 l speed T ChromaWeaveX.waveLength}
 addUserKnob {41 offset_1 l offset T ChromaWeaveX.offset}
 addUserKnob {26 tape_chromaweave_y_divider l "Y-Axis Transform" t "The X & Y axis chroma weave transforms control sine waves that move both chroma channels around while leaving the luma channel intact."}
 addUserKnob {41 minVal l "min value" T ChromaWeaveY.minVal}
 addUserKnob {41 maxVal l "max value" T ChromaWeaveY.maxVal}
 addUserKnob {41 waveLength l speed T ChromaWeaveY.waveLength}
 addUserKnob {41 offset T ChromaWeaveY.offset}
 addUserKnob {20 endGroup n -1}
 addUserKnob {20 tape_rgb_offset l "RGB Offsets" n 1}
 tape_rgb_offset 0
 addUserKnob {41 size_2 l "blur red" T BlurRed.size}
 addUserKnob {41 translate_2 l "translate red" T Offset_Red.translate}
 addUserKnob {41 size_3 l "blur green" T BlurGreen.size}
 addUserKnob {41 translate_3 l "translate green" T Offset_Green.translate}
 addUserKnob {41 size_4 l "blur blue" T BlurBlue.size}
 addUserKnob {41 translate_4 l "translate blue" T Offset_Blue.translate}
 addUserKnob {20 endGroup_1 n -1}
 addUserKnob {20 tape_distortion l Distortion n 1}
 addUserKnob {20 endGroup_2 n -1}
 addUserKnob {20 tape_noise l Noise n 1}
 addUserKnob {20 endGroup_3 n -1}
 addUserKnob {20 tape_wrinkle l Wrinkle n 1}
 addUserKnob {20 endGroup_4 n -1}
 addUserKnob {26 tape_technical_divider l "Misc Settings"}
 addUserKnob {3 seed t "Sets the seed used to define randomness"}
 seed 1234
 addUserKnob {20 deck l Deck}
 addUserKnob {7 deck_sharpen l sharpen t "Post sharpening applied by the VHS deck" R 0 100}
 deck_sharpen 2
 addUserKnob {6 deck_logSharpen l "Log Sharpen" t "Check this box to sharpen in log space instead.  Typically you'll want to leave this off as most sharpening done by VHS decks was pretty garbage and resulted in dark edges that we usually try to avoid in comp by sharpening in log space." +STARTLINE}
 addUserKnob {20 deck_color l Color n 1}
 deck_color 0
 addUserKnob {41 blackpoint T Grade1.blackpoint}
 addUserKnob {41 saturation T Saturation1.saturation}
 addUserKnob {41 mode l "luminance math" T Saturation1.mode}
 addUserKnob {20 endGroup_6 n -1}
 addUserKnob {20 deck_interlaceerror l "Interlace Error" n 1}
 addUserKnob {7 deck_interlaceerror_speed l speed R 0 10}
 deck_interlaceerror_speed 1
 addUserKnob {4 deck_interlaceerror_direction l direction t "Controls the direction of travel for the interlace error lines" M {up down "" "" "" "" ""}}
 deck_interlaceerror_direction down
 addUserKnob {3 deck_interlaceerror_bars l bars}
 deck_interlaceerror_bars 4
 addUserKnob {41 size_5 l size T InterlaceErrorGrid.size}
 addUserKnob {41 size_6 l blur T InterlaceErrorBlur.size}
 addUserKnob {41 mix l strength T InterlaceErrorMerge.mix}
 addUserKnob {20 endGroup_7 n -1}
}
 BackdropNode {
  inputs 0
  name BackdropNode1
  tile_color 0xaaaaaa00
  label "yCbCr Processing"
  note_font_size 42
  xpos -278
  ypos 203
  bdwidth 796
  bdheight 710
 }
 BackdropNode {
  inputs 0
  name BackdropNode2
  tile_color 0x7171c600
  label Sharpening
  note_font_size 42
  xpos -455
  ypos 2011
  bdwidth 573
  bdheight 421
 }
 BackdropNode {
  inputs 0
  name BackdropNode3
  tile_color 0x71c67100
  label "Bur and Offset RGB"
  note_font_size 42
  xpos -357
  ypos 1117
  bdwidth 601
  bdheight 772
 }
 BackdropNode {
  inputs 0
  name BackdropNode4
  tile_color 0x8e388e00
  label "Interlace Error"
  note_font_size 42
  xpos -690
  ypos 189
  bdwidth 185
  bdheight 474
 }
 Group {
  inputs 0
  name ChromaWeaveY
  help "Allows the easy creation of a variety of Waveform Expressions for use in manipulating knob values."
  xpos 29
  ypos 518
  addUserKnob {20 main l Main}
  addUserKnob {26 unnamed_1 l "" +STARTLINE T " "}
  addUserKnob {68 type l "Wave Type" t "Controls what type of wave to generate." M {Random Noise Sine Triangle Square Sawtooth/Sawtooth "Sawtooth/Sawtooth (Parabolic)" "Sawtooth/Sawtooth (Parabolic reversed)" "Sawtooth/Sawtooth (Exponential)" Bounce "" "" "" "" ""}}
  type Sine
  addUserKnob {7 minVal l "Min Value" t "Minimum value you want the wave to reach." R -10 0}
  addUserKnob {7 maxVal l "Max Value" t "Maximum value you want the wave to reach." -STARTLINE R 0 10}
  addUserKnob {7 waveLength l WaveLength t "Controls the frequency or cycle length of the wave. The number of frames before the pattern repeats." R 0 100}
  waveLength 24
  addUserKnob {7 offset l Offset t "Offsets the frame value to allow control of values at a certain frame" R 0 10}
  addUserKnob {26 unnamed l "" +STARTLINE T " "}
  addUserKnob {22 expButton l "Generate Expression" T "node = nuke.thisNode()\ntype = node.knob('type').getValue()\nexpText = node.knob('expText')\nexpFormula = node.knob('formula')\nexpResult = node.knob('expResult')\ndef setExp():\n    if type == 0: #Random\n        exp = 'random((frame+%s)/%s) * (%s-%s) + %s' %(offset,waveLength,maxVal,minVal,minVal)\n    if type == 1: #Noise\n        exp = '(noise((frame+%s)/%s)+1)/2 * (%s-%s) + %s' %(offset,waveLength,maxVal,minVal,minVal)\n    if type == 2: #Sine\n        exp = '(sin(2*pi*(frame+%s)/%s)+1)/2 * (%s-%s) + %s' %(offset,waveLength,maxVal,minVal,minVal)\n    if type == 3: #Triangle\n        exp = '(asin(sin(2*pi*(frame+%s)/%s))/pi+0.5) * (%s-%s) + %s' %(offset,waveLength,maxVal,minVal,minVal)\n    if type == 4: #Square\n        exp = 'int(sin(2*pi*(frame+%s)/%s)+1) * (%s-%s) + %s' %(offset,waveLength,maxVal,minVal,minVal)\n    if type == 5: #Sawtooth\n        exp = '((frame+%s) %% %s)/%s * (%s-%s) + %s' %(offset,waveLength,waveLength,maxVal,minVal,minVal)\n    if type == 6: #Sawtooth(Parabolic)\n        exp = 'sin((4.93480220054468*(frame+%s)/(pi*%s)) %% (pi/2)) * (%s-%s) + %s' %(offset,waveLength,maxVal,minVal,minVal)\n    if type == 7: #Sawtooth(Parabolic Reversed)\n        exp = 'cos((4.93480220054468*(frame+%s)/(pi*%s)) %% (pi/2)) * (%s-%s) + %s' %(offset,waveLength,maxVal,minVal,minVal)\n    if type == 8: #Sawtooth (Exponential)\n        exp = '(exp(2*pi*((frame+%s) %% %s)/%s)-1)/exp(2*pi) * (%s-%s) + %s' %(offset,waveLength,waveLength,maxVal,minVal,minVal)\n    if type == 9: #Bounce\n        exp = 'abs(sin(pi*(frame + %s)/%s))* (%s-%s) + %s' %(offset,waveLength,maxVal,minVal,minVal)\n    return exp\n\nwaveLength = 'waveLength'\noffset = 'offset'\nmaxVal = 'maxVal'\nminVal = 'minVal'\nexpResult.setExpression(setExp())\nexpFormula.setValue(setExp())\n\nwaveLength = node.knob('waveLength').getValue()\noffset = node.knob('offset').getValue()\nmaxVal = node.knob('maxVal').getValue()\nminVal = node.knob('minVal').getValue()\nexpText.setValue(setExp())" +STARTLINE}
  addUserKnob {26 ""}
  addUserKnob {7 expResult l Result t "The calculated result of the wave at the given frame. Link to this value if you want to control the expression from this node."}
  expResult {{"(sin(2*pi*(frame+offset)/waveLength)+1)/2 * (maxVal-minVal) + minVal"}}
  addUserKnob {26 unnamed_2 l "" +STARTLINE T " "}
  addUserKnob {1 expText l Expression t "The wave in expression form. For copying to another knobs expression value."}
  expText "(sin(2*pi*(frame+0.0)/10.0)+1)/2 * (0.0-0.0) + 0.0"
  addUserKnob {26 unnamed_3 l "" +STARTLINE T " "}
  addUserKnob {1 formula l Formula t "The formula that generates the wave."}
  formula "(sin(2*pi*(frame+offset)/waveLength)+1)/2 * (maxVal-minVal) + minVal"
 }
 end_group
 Input {
  inputs 0
  name Input1
  xpos -244
  ypos -828
 }
 Grade {
  blackpoint -0.02
  name Grade1
  label "Pre-treatment grade controls"
  xpos -244
  ypos -767
 }
 Saturation {
  saturation 1.1
  mode Average
  name Saturation1
  label "Pre-treatment saturation"
  xpos -244
  ypos -703
 }
 Dot {
  name Dot21
  xpos -210
  ypos -554
 }
set N366f7400 [stack 0]
 Remove {
  name Remove3
  xpos -36
  ypos -563
 }
set N366f7000 [stack 0]
 Dot {
  name Dot18
  xpos 148
  ypos -554
 }
 Dot {
  name Dot4
  xpos 148
  ypos -188
 }
set N366f6800 [stack 0]
 Noise {
  cliptype none
  replace true
  size 560
  zoffset {{frame*parent.seed}}
  lacunarity 8.4
  gain 0.8
  gamma 0.045
  scale {32 1}
  center {1024 576}
  name Noise4
  xpos 114
  ypos -106
 }
 Dot {
  name Dot20
  xpos 148
  ypos 2
 }
push $N366f6800
 Dot {
  name Dot19
  xpos 23
  ypos -188
 }
 Noise {
  cliptype none
  replace true
  size 1
  zoffset {{frame*parent.seed}}
  octaves 5
  lacunarity 1.96
  gain 0.85
  gamma 0.045
  scale {92 0.001}
  center {1024 576}
  name Noise2
  label "High Frequency Picture Noise"
  xpos -11
  ypos -158
 }
 Dot {
  name Dot16
  xpos 23
  ypos -81
 }
push $N366f7000
 Noise {
  size 1
  zoffset {{frame*parent.seed}}
  octaves 5
  lacunarity 1
  gain 0.1
  gamma 1
  scale {5 1}
  center {1024 778}
  name Noise1
  xpos -36
  ypos -490
 }
 Dot {
  name Dot17
  xpos -2
  ypos -398
 }
push $N366f7400
 Copy {
  inputs 2
  from0 rgba.red
  to0 forward.u
  name Copy6
  xpos -244
  ypos -407
 }
 IDistort {
  uv forward
  uv_scale 5.8
  name IDistort1
  xpos -244
  ypos -366
 }
 Merge2 {
  inputs 2
  operation plus
  bbox B
  mix 0.025
  name Merge2
  xpos -244
  ypos -84
 }
 Merge2 {
  inputs 2
  operation plus
  mix 0.005
  name Plus
  xpos -244
  ypos 3
  disable true
 }
 Group {
  name Grain_Advanced
  help "Adds synthetic grain. \n\nThe defaults are setup to simulate an HD Alexa plate's grain.\n\nYou can adjust the sliders to match a sample piece of grain. Find a sample with a rather constant background, blur it to remove the grain, and use as input to this. View with a wipe in the viewer so you can make a match. It helps to view and match each of the red, green, blue separately."
  tile_color 0x323232ff
  note_font_color 0xb80045ff
  xpos -244
  ypos 73
  addUserKnob {20 grain_tab l Grain}
  addUserKnob {3 seed t "Change this value to make different instances of this operator produce different noise"}
  seed 134
  addUserKnob {26 "" l "@b;Size"}
  addUserKnob {14 red_size l red R 0 100}
  red_size 0.55
  addUserKnob {14 green_size l green R 0 100}
  green_size 0.4
  addUserKnob {14 blue_size l blue R 0 100}
  blue_size 0.8
  addUserKnob {7 irregularity}
  irregularity 0.355
  addUserKnob {26 Intensity l "@b;Intensity Bright"}
  addUserKnob {7 red_m l red t "Amount of grain to add to a white pixel"}
  red_m 0.15
  addUserKnob {7 green_m l green}
  green_m 0.15
  addUserKnob {7 blue_m l blue}
  blue_m 0.2
  addUserKnob {26 Darks l "@b;Intensity Darks"}
  addUserKnob {7 red_i l red R 0 0.2}
  red_i 0.025
  addUserKnob {7 green_i l green R 0 0.2}
  green_i 0.01
  addUserKnob {7 blue_i l blue R 0 0.2}
  blue_i 0.03
  addUserKnob {26 Softness l "@b;Softness"}
  addUserKnob {7 red_soft l red R 0 2}
  red_soft 1.3
  addUserKnob {7 green_soft l green R 0 2}
  green_soft 1.1
  addUserKnob {7 blue_soft l blue R 0 2}
  blue_soft 1.3
  addUserKnob {26 Globals l "@b;Global Controls"}
  addUserKnob {7 saturation l "Grain Saturation" t "Control how saturated the grain appears"}
  saturation 1
  addUserKnob {7 aspect_ratio l "Aspect Ratio" t "Edit the aspect ratio of the grain to match anamorphic plates." R 0.5 2}
  aspect_ratio 1
  addUserKnob {4 ar_filter l " " t "Set the filter on the aspect ratio transform" -STARTLINE M {Impulse Cubic ""}}
  ar_filter Cubic
  addUserKnob {6 apply_alpha l "Apply only through alpha" +STARTLINE}
  addUserKnob {6 invert_alpha l "Invert alpha" -STARTLINE}
  addUserKnob {6 invert_mask l "Invert mask" -STARTLINE}
  addUserKnob {7 mix}
  mix 1
  addUserKnob {26 ""}
  addUserKnob {26 spin_copyright l "" t "© <b>SPIN<span style=\"color:#b32026\">VFX</span></b>\nGrain_Advanced\nVersion 1.1\n2017" +STARTLINE T "<span style=\"color:#aaa;font-family:sans-serif;font-size:8pt\"><b>SPIN<span style=\"color:#b32026\">VFX</span></b> - Version 1.1 - 2017 - <a href=\"https://github.com/SpinVFX/spin_nuke_gizmos/\" style=\"color:#aaa\">Github Page</a></span>"}
 }
  Input {
   inputs 0
   name mask
   xpos 368
   ypos 675
   number 1
  }
  Input {
   inputs 0
   name img
   xpos 34
   ypos -150
  }
  Dot {
   name Dot1
   tile_color 0xcccccc00
   xpos 68
   ypos -58
  }
set N36692c00 [stack 0]
  Dot {
   name Dot5
   tile_color 0xcccccc00
   xpos -75
   ypos -58
  }
set N36692800 [stack 0]
  Dot {
   name Dot6
   tile_color 0xcccccc00
   xpos -146
   ypos -58
  }
  Dot {
   name Dot7
   tile_color 0xcccccc00
   xpos -146
   ypos 679
  }
push $N36692800
  Shuffle {
   alpha white
   name Shuffle1
   xpos -109
   ypos 86
   disable {{parent.apply_alpha}}
  }
  Dot {
   name Dot4
   tile_color 0x9e3c6300
   xpos -76
   ypos 557
  }
push $N36692c00
  Dot {
   name Dot2
   tile_color 0xcccccc00
   xpos 164
   ypos -58
  }
set N36691400 [stack 0]
  Noise {
   output {rgba.red -rgba.green -rgba.blue -rgba.alpha}
   cliptype none
   replace true
   size {{parent.red_size.w} {parent.red_size.h}}
   zoffset {{frame+seed+(irregularity/2)}}
   octaves 2
   gamma 1
   xrotate {{irregularity*45}}
   yrotate {{irregularity*45}}
   name red
   xpos 252
   ypos -62
  }
  Noise {
   output {-rgba.red rgba.green -rgba.blue -rgba.alpha}
   cliptype none
   replace true
   size {{parent.green_size.w} {parent.green_size.h}}
   zoffset {{frame+6+seed+(irregularity/2)}}
   octaves 2
   gamma 1
   xrotate {{irregularity*45}}
   yrotate {{irregularity*45}}
   name green
   xpos 252
   ypos -19
  }
  Noise {
   output {-rgba.red -rgba.green rgba.blue -rgba.alpha}
   cliptype none
   replace true
   size {{parent.blue_size.w} {parent.blue_size.h}}
   zoffset {{frame+3*seed+(irregularity/2)}}
   octaves 2
   gamma 1
   xrotate {{irregularity*45}}
   yrotate {{irregularity*45}}
   name blue
   xpos 252
   ypos 20
  }
  Transform {
   scale {{parent.aspect_ratio>1?parent.aspect_ratio:1 x3 0} {parent.aspect_ratio<1?1/parent.aspect_ratio:1 x3 0}}
   filter {{parent.ar_filter}}
   shutteroffset centred
   name Scale_Ratio
   xpos 252
   ypos 62
  }
  Blur {
   channels {rgba.red -rgba.green -rgba.blue none}
   size {{parent.red_soft}}
   name Blur1
   label "size \[value size]"
   xpos 252
   ypos 122
  }
  Blur {
   channels {-rgba.red rgba.green -rgba.blue none}
   size {{parent.green_soft}}
   name Blur2
   label "size \[value size]"
   xpos 252
   ypos 173
  }
  Blur {
   channels {-rgba.red -rgba.green rgba.blue none}
   size {{parent.blue_soft}}
   name Blur3
   label "size \[value size]"
   xpos 252
   ypos 223
  }
  Grade {
   multiply 2
   add -1
   black_clamp false
   name Grade1
   xpos 252
   ypos 295
  }
push $N36691400
  Grade {
   black {{parent.red_i} {parent.green_i} {parent.blue_i} {curve}}
   white {{parent.red_m} {parent.green_m} {parent.blue_m} {curve}}
   name Grade4
   xpos 130
   ypos 422
  }
  Merge2 {
   inputs 2
   operation multiply
   bbox B
   name Merge3
   xpos 252
   ypos 422
  }
  Saturation {
   saturation {{parent.saturation}}
   name Saturation1
   xpos 252
   ypos 465
  }
  Dot {
   name Dot3
   tile_color 0x7aa9ff00
   xpos 286
   ypos 557
  }
push $N36692c00
  Merge2 {
   inputs 2+1
   operation plus
   bbox B
   output rgb
   invert_mask {{invert_alpha}}
   mix {{parent.mix}}
   name Merge4
   xpos 34
   ypos 553
  }
  Keymix {
   inputs 3
   invertMask {{!invert_mask}}
   name Keymix1
   xpos 34
   ypos 669
   disable {{"!\[exists parent.input1] "}}
  }
  Output {
   name Output1
   xpos 34
   ypos 758
  }
 end_group
 Colorspace {
  colorspace_out YCbCr
  name Colorspace1
  xpos -244
  ypos 265
 }
set N36625000 [stack 0]
 Dot {
  name Dot2
  xpos -44
  ypos 268
 }
set N36624c00 [stack 0]
 Dot {
  name Dot1
  xpos 171
  ypos 268
 }
 Transform {
  translate {4 0}
  center {2456 1632}
  black_outside false
  name TransformCr
  label "Transform Chroma Red"
  xpos 137
  ypos 406
 }
 Transform {
  translate {{parent.ChromaWeaveX.expResult} {parent.ChromaWeaveY.expResult}}
  center {1024 778}
  black_outside false
  name Transform4
  label "Chroma Weave"
  xpos 137
  ypos 493
 }
 Dot {
  name Dot7
  xpos 171
  ypos 636
 }
push $N36624c00
 Transform {
  translate {4 0}
  center {2456 1632}
  black_outside false
  name TransformCb
  label "Transform Chroma Blue"
  xpos -78
  ypos 405
 }
 Transform {
  translate {{parent.ChromaWeaveX.expResult} {parent.ChromaWeaveY.expResult}}
  center {1024 778}
  black_outside false
  name Transform3
  label "Chroma Weave"
  xpos -78
  ypos 493
 }
 Dot {
  name Dot8
  xpos -44
  ypos 585
 }
push $N36625000
 Remove {
  name Remove2
  xpos -635
  ypos 259
 }
 Grid {
  number {0 {parent.deck_interlaceerror_bars}}
  size 52
  translate {0 {"parent.deck_interlaceerror_direction == 0? (frame * parent.deck_interlaceerror_speed) : (1 - (frame * parent.deck_interlaceerror_speed))"}}
  name InterlaceErrorGrid
  selected true
  xpos -635
  ypos 370
 }
 Blur {
  size 18.5
  name InterlaceErrorBlur
  xpos -635
  ypos 417
 }
push $N36625000
 Merge2 {
  inputs 2
  operation multiply
  mix 0.1
  name InterlaceErrorMerge
  xpos -244
  ypos 423
 }
 Copy {
  inputs 2
  from0 rgba.green
  to0 rgba.green
  from1 -rgba.blue
  to1 -rgba.blue
  name Copy1
  xpos -244
  ypos 576
 }
 Copy {
  inputs 2
  from0 rgba.blue
  to0 rgba.blue
  name Copy2
  xpos -244
  ypos 627
 }
 Reformat {
  type scale
  format "4912 3264 0 0 4912 3264 1 "
  resize none
  name Reformat1
  xpos -244
  ypos 663
 }
 Blur {
  channels {rgba.red -rgba.green -rgba.blue none}
  size 1.5
  name lumaBlur
  xpos -244
  ypos 708
 }
 Blur {
  channels {-rgba.red rgba.green rgba.blue none}
  size 5
  name chromaBlur
  label "Chroma Blur"
  xpos -244
  ypos 755
 }
 Colorspace {
  colorspace_in YCbCr
  name Colorspace2
  xpos -244
  ypos 791
 }
 Blur {
  channels {rgba.red -rgba.green -rgba.blue none}
  size 1.7
  name BlurRed
  xpos -244
  ypos 1251
 }
 Blur {
  channels {-rgba.red rgba.green -rgba.blue none}
  size 0.65
  name BlurGreen
  xpos -244
  ypos 1295
 }
 Blur {
  channels {-rgba.red -rgba.green rgba.blue none}
  size 1
  name BlurBlue
  xpos -244
  ypos 1342
 }
 Dot {
  name Dot9
  xpos -210
  ypos 1450
 }
set N3791ec00 [stack 0]
 Dot {
  name Dot10
  xpos -76
  ypos 1450
 }
set N3791e800 [stack 0]
 Dot {
  name Dot11
  xpos 44
  ypos 1450
 }
set N3791e400 [stack 0]
 Dot {
  name Dot12
  xpos 173
  ypos 1450
 }
 Transform {
  center {1024 778}
  name Offset_Blue
  xpos 139
  ypos 1511
 }
 Dot {
  name Dot15
  xpos 173
  ypos 1742
 }
push $N3791e400
 Transform {
  translate {1 0}
  center {1024 778}
  name Offset_Green
  xpos 10
  ypos 1511
 }
 Dot {
  name Dot14
  xpos 44
  ypos 1672
 }
push $N3791e800
 Transform {
  center {1024 778}
  name Offset_Red
  xpos -110
  ypos 1510
 }
 Dot {
  name Dot13
  xpos -76
  ypos 1578
 }
push $N3791ec00
 Copy {
  inputs 2
  from0 rgba.red
  to0 rgba.red
  name Copy3
  xpos -244
  ypos 1569
 }
 Copy {
  inputs 2
  from0 rgba.green
  to0 rgba.green
  name Copy4
  xpos -244
  ypos 1663
 }
 Copy {
  inputs 2
  from0 rgba.blue
  to0 rgba.blue
  name Copy5
  xpos -244
  ypos 1733
 }
 Reformat {
  type scale
  format "4912 3264 0 0 4912 3264 1 "
  resize none
  name Reformat2
  xpos -244
  ypos 1814
 }
set N378cb400 [stack 0]
 Dot {
  name Dot3
  xpos -210
  ypos 2088
 }
set N378cac00 [stack 0]
 OCIOLogConvert {
  operation "lin to log"
  name OCIOLogConvert4
  xpos -244
  ypos 2149
 }
 Sharpen {
  size {{parent.deck_sharpen}}
  name Sharpen2
  label "Post sharpening (applied by VHS deck)"
  xpos -244
  ypos 2173
 }
 OCIOLogConvert {
  operation "log to lin"
  name OCIOLogConvert3
  xpos -244
  ypos 2223
 }
push $N378cac00
 Dot {
  name Dot6
  xpos -69
  ypos 2088
 }
 Sharpen {
  size {{parent.deck_sharpen}}
  name Sharpen1
  label "Post sharpening (applied by VHS deck)"
  xpos -103
  ypos 2174
 }
 Switch {
  inputs 2
  which {{parent.deck_logSharpen}}
  name Switch1
  label "Log Sharpen Switch"
  xpos -173
  ypos 2273
 }
 Shuffle2 {
  fromInput1 {{0} B}
  fromInput2 {{0} B}
  mappings "4 rgba.red 0 0 rgba.red 0 0 rgba.green 0 1 rgba.green 0 1 rgba.blue 0 2 rgba.blue 0 2 white -1 -1 rgba.alpha 0 3"
  name Shuffle1
  xpos -173
  ypos 2335
 }
 Dot {
  name Dot5
  xpos -139
  ypos 2388
 }
 Output {
  name Output1
  xpos -173
  ypos 2953
 }
 Noise {
  inputs 0
  cliptype none
  replace true
  size 75
  zoffset {{frame}}
  nyquist false
  lacunarity 1.5
  gain 1
  gamma 0.925
  translate {-483 14}
  scale {10 1}
  center {1024 576}
  name Noise3
  xpos -18
  ypos 2439
  hide_input true
 }
 Sharpen {
  amount 3
  name Sharpen3
  xpos -18
  ypos 2463
 }
 Constant {
  inputs 0
  channels rgb
  name Constant1
  xpos -81
  ypos -244
 }
push $N378cb400
 Viewer {
  frame_range 1-100
  viewerProcess "sRGB (default)"
  name Viewer1
  xpos -16
  ypos 2575
 }
 Group {
  inputs 0
  name ChromaWeaveX
  help "Allows the easy creation of a variety of Waveform Expressions for use in manipulating knob values."
  xpos 26
  ypos 446
  addUserKnob {20 main l Main}
  addUserKnob {26 unnamed_1 l "" +STARTLINE T " "}
  addUserKnob {68 type l "Wave Type" t "Controls what type of wave to generate." M {Random Noise Sine Triangle Square Sawtooth/Sawtooth "Sawtooth/Sawtooth (Parabolic)" "Sawtooth/Sawtooth (Parabolic reversed)" "Sawtooth/Sawtooth (Exponential)" Bounce "" "" "" "" ""}}
  type Sine
  addUserKnob {7 minVal l "Min Value" t "Minimum value you want the wave to reach." R -10 0}
  minVal -0.5
  addUserKnob {7 maxVal l "Max Value" t "Maximum value you want the wave to reach." -STARTLINE R 0 10}
  maxVal 0.5
  addUserKnob {7 waveLength l WaveLength t "Controls the frequency or cycle length of the wave. The number of frames before the pattern repeats." R 0 100}
  waveLength 24
  addUserKnob {7 offset l Offset t "Offsets the frame value to allow control of values at a certain frame" R 0 10}
  addUserKnob {26 unnamed l "" +STARTLINE T " "}
  addUserKnob {22 expButton l "Generate Expression" T "node = nuke.thisNode()\ntype = node.knob('type').getValue()\nexpText = node.knob('expText')\nexpFormula = node.knob('formula')\nexpResult = node.knob('expResult')\ndef setExp():\n    if type == 0: #Random\n        exp = 'random((frame+%s)/%s) * (%s-%s) + %s' %(offset,waveLength,maxVal,minVal,minVal)\n    if type == 1: #Noise\n        exp = '(noise((frame+%s)/%s)+1)/2 * (%s-%s) + %s' %(offset,waveLength,maxVal,minVal,minVal)\n    if type == 2: #Sine\n        exp = '(sin(2*pi*(frame+%s)/%s)+1)/2 * (%s-%s) + %s' %(offset,waveLength,maxVal,minVal,minVal)\n    if type == 3: #Triangle\n        exp = '(asin(sin(2*pi*(frame+%s)/%s))/pi+0.5) * (%s-%s) + %s' %(offset,waveLength,maxVal,minVal,minVal)\n    if type == 4: #Square\n        exp = 'int(sin(2*pi*(frame+%s)/%s)+1) * (%s-%s) + %s' %(offset,waveLength,maxVal,minVal,minVal)\n    if type == 5: #Sawtooth\n        exp = '((frame+%s) %% %s)/%s * (%s-%s) + %s' %(offset,waveLength,waveLength,maxVal,minVal,minVal)\n    if type == 6: #Sawtooth(Parabolic)\n        exp = 'sin((4.93480220054468*(frame+%s)/(pi*%s)) %% (pi/2)) * (%s-%s) + %s' %(offset,waveLength,maxVal,minVal,minVal)\n    if type == 7: #Sawtooth(Parabolic Reversed)\n        exp = 'cos((4.93480220054468*(frame+%s)/(pi*%s)) %% (pi/2)) * (%s-%s) + %s' %(offset,waveLength,maxVal,minVal,minVal)\n    if type == 8: #Sawtooth (Exponential)\n        exp = '(exp(2*pi*((frame+%s) %% %s)/%s)-1)/exp(2*pi) * (%s-%s) + %s' %(offset,waveLength,waveLength,maxVal,minVal,minVal)\n    if type == 9: #Bounce\n        exp = 'abs(sin(pi*(frame + %s)/%s))* (%s-%s) + %s' %(offset,waveLength,maxVal,minVal,minVal)\n    return exp\n\nwaveLength = 'waveLength'\noffset = 'offset'\nmaxVal = 'maxVal'\nminVal = 'minVal'\nexpResult.setExpression(setExp())\nexpFormula.setValue(setExp())\n\nwaveLength = node.knob('waveLength').getValue()\noffset = node.knob('offset').getValue()\nmaxVal = node.knob('maxVal').getValue()\nminVal = node.knob('minVal').getValue()\nexpText.setValue(setExp())" +STARTLINE}
  addUserKnob {26 ""}
  addUserKnob {7 expResult l Result t "The calculated result of the wave at the given frame. Link to this value if you want to control the expression from this node."}
  expResult {{"(sin(2*pi*(frame+offset)/waveLength)+1)/2 * (maxVal-minVal) + minVal"}}
  addUserKnob {26 unnamed_2 l "" +STARTLINE T " "}
  addUserKnob {1 expText l Expression t "The wave in expression form. For copying to another knobs expression value."}
  expText "(sin(2*pi*(frame+0.0)/100.0)+1)/2 * (2.0--2.0) + -2.0"
  addUserKnob {26 unnamed_3 l "" +STARTLINE T " "}
  addUserKnob {1 formula l Formula t "The formula that generates the wave."}
  formula "(sin(2*pi*(frame+offset)/waveLength)+1)/2 * (maxVal-minVal) + minVal"
 }
 end_group
end_group