set cut_paste_input [stack 0]
Group {
 inputs 0
 name HueSwatchSimple
 selected true
 xpos -2460
 ypos 183
 postage_stamp true
 addUserKnob {20 HueSwatch}
 addUserKnob {26 swatch_label l " " T <b>swatch</b>}
 addUserKnob {3 size}
 size 256
 addUserKnob {7 ar l aspect R 1 2}
 ar 1
 addUserKnob {41 p T Luminance.p}
 addUserKnob {41 hue T Luminance.hue}
 addUserKnob {41 sa T Luminance.sa}
}
 Constant {
  inputs 0
  format "512 512 0 0 512 512 1 square_512"
  name Constant13
  xpos 1170
  ypos 501
  postage_stamp false
 }
 Reformat {
  type "to box"
  box_width {{parent.size}}
  box_height {{box_width/parent.ar}}
  box_fixed true
  name Reformat1
  xpos 1170
  ypos 527
 }
 Expression {
  temp_name0 h
  temp_expr0 hue/60
  temp_name1 ch
  temp_expr1 (x/width)
  temp_name2 L
  temp_expr2 (y/height)
  channel0 {rgba.red -rgba.green -rgba.blue none}
  expr0 h
  expr1 (rint(ch*sa.w+0.5001)/sa.w)**(2/p)
  expr2 (rint(L*sa.h+0.5001)/sa.h)**p
  name Luminance
  xpos 1170
  ypos 566
  addUserKnob {20 User}
  addUserKnob {7 p R 0 4}
  p 1
  addUserKnob {7 hue R 0 360}
  hue {{t*6}}
  addUserKnob {14 sa R 0 100}
  sa {512 24}
 }
 Expression {
  temp_name0 C
  temp_expr0 b*g
  temp_name1 H
  temp_expr1 r
  temp_name2 m
  temp_expr2 b-C
  temp_name3 X
  temp_expr3 C*(1-fabs(H%2-1))
  expr0 (H<1?C:H<2?X:H<3?0:H<4?0:H<5?X:C)+m
  expr1 (H<1?X:H<2?C:H<3?C:H<4?X:H<5?0:0)+m
  expr2 (H<1?0:H<2?0:H<3?X:H<4?C:H<5?C:X)+m
  expr3 1
  name HSV_to_RGB
  xpos 1170
  ypos 614
 }
 Output {
  name Output
  xpos 1170
  ypos 662
 }
end_group
set Ndae6ab00 [stack 0]
Rectangle {
 replace true
 area {0 0 2 256}
 name Rectangle1
 note_font Helvetica
 selected true
 xpos -2570
 ypos 231
}
push $Ndae6ab00
Expression {
 inputs 1+1
 expr0 y/height
 expr1 y/height
 expr2 y/height
 name Expression23
 note_font Helvetica
 selected true
 xpos -2460
 ypos 279
}
PositionToPoints2 {
 display textured
 selectable false
 render_mode textured
 cast_shadow false
 receive_shadow false
 P_channel rgb
 detail 1
 pointSize 0.003
 name PositionToPoints7
 selected true
 xpos -2460
 ypos 433
}
Dot {
 name Dot21
 note_font "Helvetica Bold"
 note_font_size 24
 note_font_color 0xff
 selected true
 xpos -2426
 ypos 522
}
Group {
 inputs 0
 name RGBCubeAlt2
 selected true
 xpos -2240
 ypos 374
 addUserKnob {20 User}
 addUserKnob {6 top_half l "top half" +STARTLINE}
 addUserKnob {6 posterize -STARTLINE}
}
 Group {
  inputs 0
  name HueSweep_4
  xpos 1170
  ypos 657
  hide_input true
  postage_stamp true
  addUserKnob {20 User}
  addUserKnob {6 white +STARTLINE}
  addUserKnob {6 black +STARTLINE}
  black true
 }
  Constant {
   inputs 0
   format "256 256 0 0 256 256 1 square_256"
   name Constant15
   xpos 1160
   ypos 651
   postage_stamp false
  }
set N6c128f00 [stack 0]
  Expression {
   expr1 1-x/width
   expr2 x/width
   name Expression28
   label "green/red\n"
   xpos 1280
   ypos 712
   postage_stamp true
  }
push $N6c128f00
  Expression {
   expr0 1-x/width
   expr1 x/width
   name Expression19
   label "green/red\n"
   xpos 1160
   ypos 712
   postage_stamp true
  }
push $N6c128f00
  Expression {
   expr0 x/width
   expr2 1-x/width
   name Expression21
   label "green/red\n"
   xpos 1040
   ypos 712
   postage_stamp true
  }
  ContactSheet {
   inputs 3
   width {{width*columns}}
   height {{height/pixel_aspect*rows}}
   rows 1
   columns 3
   roworder TopBottom
   name ContactSheet3
   xpos 1160
   ypos 831
  }
  Shuffle {
   alpha white
   name Shuffle1
   xpos 1160
   ypos 861
  }
  Dot {
   name Dot1
   note_font "Helvetica Bold"
   note_font_size 24
   note_font_color 0xff
   xpos 1194
   ypos 894
  }
set N6c0f5d00 [stack 0]
  Expression {
   expr3 (y/height-0.5)*2
   name Expression2
   xpos 1040
   ypos 951
  }
push $N6c0f5d00
  Expression {
   expr3 1-y/(height/2)
   name Expression1
   xpos 1040
   ypos 891
  }
push $N6c0f5d00
  Fill {
   inputs 1+1
   color {0 0 0 1}
   name Fill2
   xpos 1160
   ypos 937
   disable {{!parent.black}}
  }
  Fill {
   inputs 1+1
   color {1 1 1 1}
   name Fill1
   xpos 1160
   ypos 981
   disable {{!parent.white}}
  }
  Output {
   name Output1
   xpos 1160
   ypos 1070
  }
 end_group
 Group {
  name Exposure4
  tile_color 0x79a9ffff
  xpos 1170
  ypos 770
  addUserKnob {20 Exposure}
  addUserKnob {18 exposure R -8 8}
  exposure 4
  addUserKnob {6 exposure_panelDropped l "panel dropped state" -STARTLINE +HIDDEN}
 }
  Input {
   inputs 0
   name Inputmask
   xpos 120
   ypos -9
   number 1
  }
  Input {
   inputs 0
   name Input
   xpos -40
   ypos -81
  }
  Multiply {
   inputs 1+1
   channels rgb
   value {{"pow(2, parent.exposure)"} {"pow(2, parent.exposure)"} {"pow(2, parent.exposure)"} {"pow(2, parent.exposure)"}}
   name _EXPOSURE_
   xpos -40
   ypos -9
  }
  Output {
   name Output1
   xpos -40
   ypos 63
  }
 end_group
 Clamp {
  channels rgba
  name Clamp18
  xpos 1170
  ypos 801
 }
 Posterize {
  channels rgba
  Colors 64
  name Posterize1
  xpos 1170
  ypos 831
  disable {{!parent.posterize}}
 }
 Dot {
  name Dot1
  note_font "Helvetica Bold"
  note_font_size 24
  note_font_color 0xff
  xpos 1204
  ypos 924
 }
set N6c28c800 [stack 0]
 Expression {
  expr0 1-r
  expr1 1-g
  expr2 1-b
  channel3 none
  name Complement1
  xpos 1060
  ypos 921
 }
push $N6c28c800
 ContactSheet {
  inputs 2
  width {{width*columns}}
  height {{height/pixel_aspect*rows}}
  rows 2
  columns 1
  roworder TopBottom
  name ContactSheet1
  xpos 1170
  ypos 951
  disable {{!parent.top_half}}
 }
 Output {
  name Output
  xpos 1170
  ypos 1010
 }
end_group
PositionToPoints2 {
 display textured
 selectable false
 render_mode textured
 cast_shadow false
 receive_shadow false
 P_channel rgb
 detail 1
 pointSize {{parent.PositionToPoints7.pointSize}}
 name PositionToPoints8
 selected true
 xpos -2240
 ypos 446
}
Scene {
 inputs 2
 selectable false
 name Scene3
 selected true
 xpos -2230
 ypos 498
 disable {{!parent.plot_input}}
}
TransformGeo {
 selectable false
 rotate {{"-degrees(atan(sqrt(1/2))) "} 0 45}
 name OrientAchromatic
 selected true
 xpos -2240
 ypos 614
 disable {{!parent.achromatic_up}}
}
Constant {
 inputs 0
 format "2048 1024 0 0 2048 1024 1 2K_LatLong"
 name Constant4
 note_font Helvetica
 selected true
 xpos -2680
 ypos 183
 postage_stamp false
}
Expression {
 channel0 rgba
 expr0 x/width
 name Gradient1
 note_font Helvetica
 selected true
 xpos -2680
 ypos 231
}
Group {
 inputs 0
 name HueSwatch1
 selected true
 xpos -2240
 ypos 183
 postage_stamp true
 addUserKnob {20 HueSwatch}
 addUserKnob {26 swatch_label l " " T <b>swatch</b>}
 addUserKnob {3 size}
 size 256
 addUserKnob {7 ar l aspect R 1 2}
 ar 1
 addUserKnob {6 enable_samples_x l "" +STARTLINE +STARTLINE}
 enable_samples_x true
 addUserKnob {6 enable_samples l "" -STARTLINE}
 enable_samples true
 addUserKnob {3 samples_x l samples -STARTLINE}
 samples_x 48
 addUserKnob {3 samples l "" -STARTLINE}
 samples 48
 addUserKnob {41 p l power T Power.p}
 addUserKnob {26 ""}
 addUserKnob {26 hue_label l " " T <b>hue</b>}
 addUserKnob {41 minus l - T HueRotate.minus}
 addUserKnob {41 plus l + -STARTLINE T HueRotate.plus}
 addUserKnob {41 rotate T HueRotate.rotate}
}
 Constant {
  inputs 0
  format "512 512 0 0 512 512 1 square_512"
  name Constant13
  xpos 1170
  ypos 501
  postage_stamp false
 }
 Reformat {
  type "to box"
  box_width {{parent.size}}
  box_height {{box_width/parent.ar}}
  box_fixed true
  name Reformat1
  xpos 1170
  ypos 531
 }
 Dot {
  name Dot1
  xpos 1204
  ypos 594
 }
set Nd472c800 [stack 0]
 Dot {
  name Dot2
  xpos 1094
  ypos 594
 }
 Expression {
  channel0 {rgba.red -rgba.green -rgba.blue none}
  expr0 y/height
  expr3 y/height
  name Chrominance
  xpos 1060
  ypos 656
 }
 Expression {
  expr0 rint(r*s+0.5001)/s
  expr1 rint(g*s+0.5001)/s
  expr2 rint(b*s+0.5001)/s
  expr3 rint(a*s+0.5001)/s
  name Quantize2
  xpos 1060
  ypos 687
  disable {{!parent.enable_samples}}
  addUserKnob {20 Quantize}
  addUserKnob {3 s l samples}
  s {{parent.samples}}
 }
 Expression {
  temp_name0 mx
  temp_expr0 max(r,g,b)
  temp_name1 pmx
  temp_expr1 mx==0?0:pow(mx,p)/mx
  expr0 r*pmx
  expr1 g*pmx
  expr2 b*pmx
  name Power1
  xpos 1060
  ypos 711
  addUserKnob {20 User}
  addUserKnob {7 p R 0 4}
  p 1.31
 }
 Dot {
  name Dot3
  xpos 1094
  ypos 744
 }
push $Nd472c800
 Expression {
  channel0 rgba
  expr0 x/width
  expr3 x/width
  name Luminance
  xpos 1170
  ypos 656
 }
 Expression {
  expr0 rint(r*s+0.5001)/s
  expr1 rint(g*s+0.5001)/s
  expr2 rint(b*s+0.5001)/s
  expr3 rint(a*s+0.5001)/s
  name Quantize1
  xpos 1170
  ypos 687
  disable {{!parent.enable_samples_x}}
  addUserKnob {20 Quantize}
  addUserKnob {3 s l samples}
  s {{parent.samples_x}}
 }
 Expression {
  temp_name0 mx
  temp_expr0 max(r,g,b)
  temp_name1 pmx
  temp_expr1 mx==0?0:pow(mx,p)/mx
  expr0 r*pmx
  expr1 g*pmx
  expr2 b*pmx
  name Power
  xpos 1170
  ypos 711
  addUserKnob {20 User}
  addUserKnob {7 p R 0 4}
  p 1.8
 }
 MergeExpression {
  inputs 2
  expr0 (1-r)*Ar+r
  expr1 (1-g)*Ag+g
  expr2 (1-b)*Ab+b
  expr3 (1-a)*Aa+a
  name MergeExpression2
  xpos 1170
  ypos 741
 }
 Group {
  name HueRotate
  xpos 1170
  ypos 782
  addUserKnob {20 HueRotate_tab l HueRotate}
  addUserKnob {22 minus l - T "n = nuke.thisNode()\nrot = n\['rotate']\nrot.setValue(rot.getValue()-30)" +STARTLINE}
  addUserKnob {22 plus l + -STARTLINE T "n = nuke.thisNode()\nrot = n\['rotate']\nrot.setValue(rot.getValue()+30)"}
  addUserKnob {7 rotate t "hue angle in degrees to rotate input colors" R 0 360}
  rotate {{t*5}}
 }
  Input {
   inputs 0
   name Input
   xpos -40
   ypos 14
  }
  Expression {
   temp_name0 M
   temp_expr0 max(r,g,b)
   temp_name1 C
   temp_expr1 M-min(r,g,b)
   temp_name2 H
   temp_expr2 ((C==0?0:r==M?((g-b)/C+6)%6:g==M?(b-r)/C+2:b==M?(r-g)/C+4:0)+shift)%6
   temp_name3 X
   temp_expr3 C*(1-fabs(H%2-1))
   expr0 (H<1?C:H<2?X:H<3?0:H<4?0:H<5?X:C)+min(r,g,b)
   expr1 (H<1?X:H<2?C:H<3?C:H<4?X:H<5?0:0)+min(r,g,b)
   expr2 (H<1?0:H<2?0:H<3?X:H<4?C:H<5?C:X)+min(r,g,b)
   expr3 H
   name HueRotate_2
   xpos -40
   ypos 63
   addUserKnob {20 HueRotate_tab l HueRotate}
   addUserKnob {7 shift R 0 6}
   shift {{rotate/60}}
  }
  Output {
   name Output
   xpos -40
   ypos 110
  }
 end_group
 Output {
  name Output
  xpos 1170
  ypos 830
 }
end_group
Group {
 inputs 0
 name EpicHueSweep3
 selected true
 xpos -2020
 ypos 183
 postage_stamp true
 addUserKnob {20 HueSweep}
 addUserKnob {26 swatch_label l " " T <b>swatch</b>}
 addUserKnob {3 size}
 size 512
 addUserKnob {7 ar l aspect R 1 2}
 ar 1
 addUserKnob {26 ""}
 addUserKnob {4 colorspace t "color model to create the hue sweep in" M {RGB Yxy L*u'v' Yrg ""}}
 addUserKnob {41 rgb_gamut l "rgb gamut" t "define the gamut for RGB colorspace.\n\nFor example if you want to output a sRGB hue sweep in ACEScg, chose rgb gamut = Rec.709, out gamut = ACEScg" -STARTLINE T XYZ_to_Gamut1.gamut}
 addUserKnob {41 out_gamut l "out gamut" T XYZ_to_Gamut.gamut}
 addUserKnob {41 quantize l "quantize into discrete samples" T ValueChromaHue.quantize}
 addUserKnob {41 sm l samples T ValueChromaHue.sm}
 addUserKnob {41 hueshift l "hue shift" T ValueChromaHue.hueshift}
 addUserKnob {41 ch l "chroma max" T ValueChromaHue.ch}
 addUserKnob {41 sa l "chroma ramp" T ValueChromaHue.sa}
 addUserKnob {41 ex l exposure T ValueChromaHue.ex}
 addUserKnob {41 p l contrast T ValueChromaHue.p}
 addUserKnob {6 achromatic_row l "achromatic row" +STARTLINE}
}
 Constant {
  inputs 0
  format "512 512 0 0 512 512 1 square_512"
  name Constant13
  xpos 1060
  ypos 494
  postage_stamp false
 }
 Reformat {
  type "to box"
  box_width {{ar>1?parent.size:parent.size*ar}}
  box_height {{ar<1?parent.size:box_width/parent.ar}}
  box_fixed true
  name Reformat1
  xpos 1060
  ypos 542
 }
 Expression {
  temp_name0 _r
  temp_expr0 y/height
  temp_name1 rs
  temp_expr1 _r*sm
  temp_name2 ri
  temp_expr2 rint(rs+0.5001)/sm
  expr0 exp(p*x/width-p)*pow(2,ex)
  expr1 (1-rs%1*sa)*ch
  expr2 ((quantize?ri:_r)+sh)%1
  name ValueChromaHue
  xpos 1060
  ypos 615
  addUserKnob {20 Params}
  addUserKnob {6 quantize l "quantize into discrete samples" +STARTLINE}
  quantize true
  addUserKnob {3 sm l samples t "number of discrete hue samples"}
  sm 6
  addUserKnob {7 ch l chroma t "set the max chroma"}
  ch 1
  addUserKnob {7 sa l "chroma ramp" t "create a chroma ramp from max chroma value to 1-this value for each hue"}
  sa 1
  addUserKnob {7 ex l exposure t "exposure up or down" R -4 6}
  addUserKnob {7 p l contrast R 0 10}
  p 4.5
  addUserKnob {7 sh l shift t "shift the resulting hue: a value of 1 is 360 degrees"}
  sh {{hueshift/360}}
  addUserKnob {7 hueshift l "hue shift" t "shift the resulting hue in degrees" R 0 360}
 }
set N239a0100 [stack 0]
 Expression {
  temp_name0 h
  temp_expr0 b*2*pi
  expr0 r
  expr1 g*cos(h)
  expr2 g*sin(h)
  name polar_to_cartesian
  xpos 730
  ypos 686
 }
set Nd4263900 [stack 0]
 Expression {
  temp_name0 d
  temp_expr0 invert?-1:1
  expr1 g+d*0.14722
  expr2 b+d*0.50911666
  name offset_white1
  xpos 730
  ypos 783
  addUserKnob {20 User}
  addUserKnob {6 invert +STARTLINE}
 }
 Expression {
  temp_name0 l
  temp_expr0 0.95*g+0.38*b
  temp_name1 m
  temp_expr1 0.02*g+0.59*b+0.03
  temp_name2 _a
  temp_expr2 r/(0.68990272*l+0.34832189*m)
  expr0 l*_a
  expr1 m*_a
  expr2 (1-l-m)*_a
  name Yrg_to_tRGB2
  xpos 730
  ypos 831
 }
 Expression {
  expr0 r*w.0
  expr1 g*w.1
  expr2 b*w.2
  name Normalize1
  label D65
  xpos 730
  ypos 872
  addUserKnob {20 Params}
  addUserKnob {35 presets l "" +STARTLINE M {presets/D50 "knobs this \{w \{1.08221 0.883260 0.447579\} label D50\}" presets/D55 "knobs this \{w \{1.07730 0.896467 0.500927\} label D55\}" presets/D60 "knobs this \{w \{1.07344 0.907523 0.549381\} label D60\}" presets/D65 "knobs this \{w \{1.07046 0.916817 0.594251\} label D65\}" presets/D75 "knobs this \{w \{1.06600 0.931715 0.670839\} label D75\}" presets/D93 "knobs this \{w \{1.06098 0.950462 0.776150\} label D93\}"}}
  addUserKnob {78 w n 3}
  w {1.07046 0.916817 0.594251}
 }
 ColorMatrix {
  matrix {
      {0.257085 0.859943 -0.031061}
      {-0.394427 1.1758 0.106423}
      {0.064856 -0.07625 0.559067}
    }
  invert true
  name tlms_to_XYZ
  xpos 730
  ypos 910
 }
 Group {
  name XYZ_to_Gamut
  tile_color 0x429940ff
  xpos 730
  ypos 950
  addUserKnob {20 InputGamut_to_XYZ_tab l InputGamut_to_XYZ}
  addUserKnob {4 gamut l "input gamut" M {ACES ACEScg P3D65 Rec.2020 Rec.709 "Alexa WideGamut" "Red WideGamutRGB" "Sony SGamut3" "Filmlight E-Gamut" "DaVinci Wide Gamut" "" ""}}
  gamut Rec.2020
  addUserKnob {41 matrix T ColorMatrix.matrix}
  addUserKnob {41 invert -STARTLINE T ColorMatrix.invert}
 }
  Input {
   inputs 0
   name Input
   xpos 290
   ypos -610
  }
  Dot {
   name Dot1
   xpos 324
   ypos -546
  }
set Nd4260800 [stack 0]
  ColorMatrix {
   matrix {
       {{"SwitchGamut.input\[value SwitchGamut.which].matrix"} {"SwitchGamut.input\[value SwitchGamut.which].matrix"} {"SwitchGamut.input\[value SwitchGamut.which].matrix"}}
       {{"SwitchGamut.input\[value SwitchGamut.which].matrix"} {"SwitchGamut.input\[value SwitchGamut.which].matrix"} {"SwitchGamut.input\[value SwitchGamut.which].matrix"}}
       {{"SwitchGamut.input\[value SwitchGamut.which].matrix"} {"SwitchGamut.input\[value SwitchGamut.which].matrix"} {"SwitchGamut.input\[value SwitchGamut.which].matrix"}}
     }
   invert true
   name ColorMatrix
   xpos 290
   ypos -370
  }
  Output {
   name Output
   xpos 290
   ypos -250
  }
push $Nd4260800
  Dot {
   name Dot391
   label " *RGB to XYZ D65 CAT: XYZ Scaling"
   xpos 434
   ypos -546
  }
set Nd6a5f200 [stack 0]
  ColorMatrix {
   matrix {
       {0.7006223202 0.1487748027 0.101058729}
       {0.2741184831 0.8736317754 -0.1477504224}
       {-0.09896290302 -0.1378953159 1.325916052}
     }
   name ColorMatrix30
   label "DaVinci WG to XYZ D65"
   xpos 1390
   ypos -466
  }
push $Nd6a5f200
  ColorMatrix {
   matrix {
       {0.705396831 0.1640413404 0.08101775497}
       {0.2801307142 0.8202067018 -0.1003373787}
       {-0.1037815139 -0.07290726155 1.265746593}
     }
   name ColorMatrix29
   label "Filmlight E-Gamut to XYZ D65"
   xpos 1280
   ypos -466
  }
push $Nd6a5f200
  ColorMatrix {
   matrix {
       {0.5990839005 0.2489254922 0.1024464965}
       {0.2150758207 0.8850684166 -0.1001443192}
       {-0.03206584975 -0.02765838802 1.148782015}
     }
   name ColorMatrix31
   label "SonySGamut3 to XYZ D65"
   xpos 1170
   ypos -465
  }
push $Nd6a5f200
  ColorMatrix {
   matrix {
       {0.735275209 0.06860940903 0.1465712786}
       {0.2866940796 0.8429790735 -0.1296732426}
       {-0.07968084514 -0.3473432064 1.516081929}
     }
   name ColorMatrix22
   label "REDWideGamutRGB to XYZ D65"
   xpos 1060
   ypos -466
  }
push $Nd6a5f200
  ColorMatrix {
   matrix {
       {0.6380076408 0.2147038132 0.09774445742}
       {0.2919537723 0.8238408566 -0.1157948226}
       {0.002798279049 -0.06703422219 1.153293848}
     }
   name ColorMatrix21
   label "Arri AlexaWideGamut to XYZ D65"
   xpos 950
   ypos -466
  }
push $Nd6a5f200
  ColorMatrix {
   matrix {
       {0.4123909175 0.3575843573 0.1804807931}
       {0.2126390785 0.7151687145 0.07219231129}
       {0.01933082566 0.1191947833 0.9505321383}
     }
   name ColorMatrix18
   label "Rec709 to XYZ D65"
   xpos 840
   ypos -466
  }
push $Nd6a5f200
  ColorMatrix {
   matrix {
       {0.6369581223 0.1446169168 0.1688809693}
       {0.2627002299 0.6779981256 0.05930171534}
       {4.99410725e-17 0.02807269618 1.060985088}
     }
   name ColorMatrix17
   label "Rec2020 to XYZ D65"
   xpos 730
   ypos -466
  }
push $Nd6a5f200
  ColorMatrix {
   matrix {
       {0.4865711331 0.2656677067 0.1982173175}
       {0.2289746404 0.6917386055 0.07928691804}
       {-3.972076965e-17 0.04511338845 1.043944478}
     }
   name ColorMatrix16
   label "P3D65 to XYZ D65"
   xpos 620
   ypos -466
  }
push $Nd6a5f200
  ColorMatrix {
   matrix {
       {0.6609312296 0.1336961389 0.1558285803}
       {0.2722287476 0.6740817428 0.05368950963}
       {-0.006018006243 0.004383686464 1.090692043}
     }
   name ColorMatrix1
   label "ACEScg to XYZ D65"
   xpos 510
   ypos -466
  }
push $Nd6a5f200
  ColorMatrix {
   matrix {
       {0.9503623843 0 9.346324805e-05}
       {0.3439664543 0.728166163 -0.07213254273}
       {0 0 1.089057803}
     }
   name ColorMatrix2
   label "ACES to XYZ D65"
   xpos 400
   ypos -466
  }
  Switch {
   inputs 10
   which {{gamut}}
   name SwitchGamut
   xpos 400
   ypos -370
  }
 end_group
push $Nd4263900
 Group {
  name Colorspace_CIELuv
  xpos 840
  ypos 878
  addUserKnob {20 CIELuv_tab l CIELuv}
  addUserKnob {41 gamut T Gamut_to_XYZ.gamut}
  addUserKnob {4 opp l mode t "Output traditional opponent model L*u*v*, \nor output euclidean L*u'v', with optional whitepoint offset" M {L*u'v' L*u*v*}}
  addUserKnob {6 LCh l LCh(uv) t "Polar coordinate transform of cartesian L*u'v': \nLuminance, Chroma, Hue angle. \n\nNote: Must output L*u*v* for this to work.\nNote: h is output in radians: 0 to 2*pi" -STARTLINE}
  addUserKnob {41 illum t "whitepoint illuminant" T XYZ_to_Luv.illum}
  addUserKnob {6 wo l "wp offset" t "in cartesian L*u'v', offset such that whitepoint illuminant is at origin." -STARTLINE}
  wo true
  addUserKnob {4 direction M {forward inverse}}
  direction inverse
  addUserKnob {6 n l normalize t "normalize to 0-1 range" +STARTLINE}
  n true
 }
  Input {
   inputs 0
   name Input
   xpos 83
   ypos -428
  }
set N8019600 [stack 0]
  Expression {
   temp_name0 n
   expr0 r
   expr1 g*cos(b)
   expr2 g*sin(b)
   name LCh_to_Luv
   xpos 180
   ypos -370
   disable {{!LCh}}
  }
  Expression {
   temp_name0 m
   temp_expr0 n?100:1
   expr0 r*m
   expr1 opp?g*m:g
   expr2 opp?b*m:b
   name Scale
   xpos 180
   ypos -324
  }
  Expression {
   expr1 g+o.0
   expr2 b+o.1
   name inv_offset_white
   xpos 180
   ypos -298
   disable {{parent.offset_white.disable x21 1}}
   addUserKnob {20 Params}
   addUserKnob {78 o n 2}
   o {{parent.XYZ_to_Luv.uw} {parent.XYZ_to_Luv.vw}}
  }
  Expression {
   temp_name0 _a
   temp_expr0 (52*r/(opp?g+13*r*uw:13*g*r)-1)/3
   temp_name1 Y
   temp_expr1 r>_k*_e?pow((r+16)/116,3):r/_k
   temp_name2 _d
   temp_expr2 Y*(39*r/(opp?b+13*r*vw:13*b*r)-5)
   temp_name3 X
   temp_expr3 (_d+5*Y)/(_a+1/3)
   expr0 X
   expr1 Y
   expr2 X*_a-5*Y
   name Luv_to_XYZ1
   xpos 180
   ypos -274
   addUserKnob {20 Params}
   addUserKnob {18 ixyz l illum_XYZ}
   ixyz {{parent.XYZ_to_Luv.ixyz} {parent.XYZ_to_Luv.ixyz} {parent.XYZ_to_Luv.ixyz}}
   addUserKnob {6 ixyz_panelDropped l "panel dropped state" -STARTLINE +HIDDEN}
   addUserKnob {6 illum_XYZ_panelDropped l "panel dropped state" -STARTLINE +HIDDEN}
   addUserKnob {7 uw}
   uw {{4*ixyz.r/(ixyz.r+15*ixyz.g+3*ixyz.b)}}
   addUserKnob {7 vw}
   vw {{9*ixyz.g/(ixyz.r+15*ixyz.g+3*ixyz.b)}}
   addUserKnob {7 _e}
   _e {{216/24389}}
   addUserKnob {7 _k}
   _k {{24389/27}}
  }
push $N8019600
  Expression {
   temp_name0 d
   temp_expr0 (r+15*g+3*b)
   temp_name1 u
   temp_expr1 4*r/d
   temp_name2 v
   temp_expr2 9*g/d
   temp_name3 L
   temp_expr3 g>_e?116*pow(g,1/3)-16:g*_k
   expr0 L/(n?100:1)
   expr1 opp?13*L*(u-uw)/(n?100:1):u
   expr2 opp?13*L*(v-vw)/(n?100:1):v
   name XYZ_to_Luv
   xpos -40
   ypos -322
   addUserKnob {20 Params}
   addUserKnob {4 illum M {D50 D55 D60 D65}}
   illum D65
   addUserKnob {18 ixyz l illum_XYZ}
   ixyz {{curve(illum) 0.9642945528 0.9567937851 0.9526392221 0.9504492879} {curve(illum) 1 1 1 1} {curve(illum) 0.825103879 0.9213933349 1.008833051 1.089060545}}
   addUserKnob {6 ixyz_panelDropped l "panel dropped state" -STARTLINE +HIDDEN}
   addUserKnob {6 illum_XYZ_panelDropped l "panel dropped state" -STARTLINE +HIDDEN}
   addUserKnob {7 uw}
   uw {{4*ixyz.r/(ixyz.r+15*ixyz.g+3*ixyz.b)}}
   addUserKnob {7 vw}
   vw {{9*ixyz.g/(ixyz.r+15*ixyz.g+3*ixyz.b)}}
   addUserKnob {7 _e}
   _e {{216/24389}}
   addUserKnob {7 _k}
   _k {{24389/27}}
  }
  Expression {
   expr1 g-o.0
   expr2 b-o.1
   name offset_white
   xpos -40
   ypos -296
   disable {{!(!opp&&wo)}}
   addUserKnob {20 Params}
   addUserKnob {78 o n 2}
   o {{parent.XYZ_to_Luv.uw} {parent.XYZ_to_Luv.vw}}
  }
  Expression {
   temp_name0 h
   temp_expr0 atan2(b,g)
   expr0 r
   expr1 hypot(g,b)
   expr2 h<0?h+radians(360):h
   name Luv_to_LCh
   xpos -40
   ypos -250
   disable {{!LCh}}
  }
  Switch {
   inputs 2
   which {{parent.direction}}
   name SwitchDirection
   xpos 83
   ypos -188
  }
  Output {
   name Output
   xpos 70
   ypos -58
  }
  StickyNote {
   inputs 0
   name StickyNote1
   tile_color 0x272727ff
   label "<left><b>CIE L*u*v*</b>\nhttps://github.com/colour-science/colour/blob/HEAD/colour/models/cie_luv.py\nhttps://en.wikipedia.org/wiki/CIELUV\nhttp://www.brucelindbloom.com/Eqn_XYZ_to_Luv.html"
   note_font_size 14
   note_font_color 0xa8a8a8ff
   xpos -110
   ypos -154
  }
 end_group
 ColorMatrix {
  matrix {
      {{parent.XYZ_to_Gamut.ColorMatrix.matrix} {parent.XYZ_to_Gamut.ColorMatrix.matrix} {parent.XYZ_to_Gamut.ColorMatrix.matrix}}
      {{parent.XYZ_to_Gamut.ColorMatrix.matrix} {parent.XYZ_to_Gamut.ColorMatrix.matrix} {parent.XYZ_to_Gamut.ColorMatrix.matrix}}
      {{parent.XYZ_to_Gamut.ColorMatrix.matrix} {parent.XYZ_to_Gamut.ColorMatrix.matrix} {parent.XYZ_to_Gamut.ColorMatrix.matrix}}
    }
  invert true
  name ColorMatrix1
  xpos 840
  ypos 951
 }
push $Nd4263900
 Expression {
  temp_name0 aY
  temp_expr0 r
  temp_name1 ax
  temp_expr1 g+w.0
  temp_name2 ay
  temp_expr2 b+w.1
  expr0 b==0?b:(ax*aY/ay)
  expr1 b==0?0:r
  expr2 b==0?b:(1-ax-ay)*aY/ay
  name Yxy_to_XYZ3
  xpos 950
  ypos 878
  addUserKnob {20 Params}
  addUserKnob {4 illum M {D50 D55 D60 D65}}
  illum D65
  addUserKnob {78 wxyz n 3}
  wxyz {{curve(illum) 0.9642945528 0.9567937851 0.9526392221 0.9504492879} {curve(illum) 1 1 1 1} {curve(illum) 0.825103879 0.9213933349 1.008833051 1.089060545}}
  addUserKnob {78 w n 2}
  w {{wxyz.0/(wxyz.0+wxyz.1+wxyz.2)} {wxyz.1/(wxyz.0+wxyz.1+wxyz.2)}}
 }
 ColorMatrix {
  matrix {
      {{parent.XYZ_to_Gamut.ColorMatrix.matrix} {parent.XYZ_to_Gamut.ColorMatrix.matrix} {parent.XYZ_to_Gamut.ColorMatrix.matrix}}
      {{parent.XYZ_to_Gamut.ColorMatrix.matrix} {parent.XYZ_to_Gamut.ColorMatrix.matrix} {parent.XYZ_to_Gamut.ColorMatrix.matrix}}
      {{parent.XYZ_to_Gamut.ColorMatrix.matrix} {parent.XYZ_to_Gamut.ColorMatrix.matrix} {parent.XYZ_to_Gamut.ColorMatrix.matrix}}
    }
  invert true
  name ColorMatrix3
  xpos 950
  ypos 951
 }
push $N239a0100
 Expression {
  temp_name0 C
  temp_expr0 r*g
  temp_name1 X
  temp_expr1 C*(1-abs((b*6)%2-1))
  temp_name2 m
  temp_expr2 r-C
  expr0 (b<1/6?C:b<2/6?X:b<3/6?0:b<4/6?0:b<5/6?X:C)+m
  expr1 (b<1/6?X:b<2/6?C:b<3/6?C:b<4/6?X:b<5/6?0:0)+m
  expr2 (b<1/6?0:b<2/6?0:b<3/6?X:b<4/6?C:b<5/6?C:X)+m
  name VSH_to_RGB1
  xpos 1060
  ypos 838
 }
 Group {
  name XYZ_to_Gamut1
  tile_color 0x429940ff
  xpos 1060
  ypos 902
  addUserKnob {20 InputGamut_to_XYZ_tab l InputGamut_to_XYZ}
  addUserKnob {4 gamut l "input gamut" M {ACES ACEScg P3D65 Rec.2020 Rec.709 "Alexa WideGamut" "Red WideGamutRGB" "Sony SGamut3" "Filmlight E-Gamut" "DaVinci Wide Gamut" "" ""}}
  gamut Rec.2020
  addUserKnob {41 matrix T ColorMatrix.matrix}
  addUserKnob {41 invert -STARTLINE T ColorMatrix.invert}
 }
  Input {
   inputs 0
   name Input
   xpos 290
   ypos -610
  }
  Dot {
   name Dot1
   xpos 324
   ypos -546
  }
set Nfb0ecf00 [stack 0]
  ColorMatrix {
   matrix {
       {{"SwitchGamut.input\[value SwitchGamut.which].matrix"} {"SwitchGamut.input\[value SwitchGamut.which].matrix"} {"SwitchGamut.input\[value SwitchGamut.which].matrix"}}
       {{"SwitchGamut.input\[value SwitchGamut.which].matrix"} {"SwitchGamut.input\[value SwitchGamut.which].matrix"} {"SwitchGamut.input\[value SwitchGamut.which].matrix"}}
       {{"SwitchGamut.input\[value SwitchGamut.which].matrix"} {"SwitchGamut.input\[value SwitchGamut.which].matrix"} {"SwitchGamut.input\[value SwitchGamut.which].matrix"}}
     }
   name ColorMatrix
   xpos 290
   ypos -370
  }
  Output {
   name Output
   xpos 290
   ypos -250
  }
push $Nfb0ecf00
  Dot {
   name Dot391
   label " *RGB to XYZ D65 CAT: XYZ Scaling"
   xpos 434
   ypos -546
  }
set Nfb0b3900 [stack 0]
  ColorMatrix {
   matrix {
       {0.7006223202 0.1487748027 0.101058729}
       {0.2741184831 0.8736317754 -0.1477504224}
       {-0.09896290302 -0.1378953159 1.325916052}
     }
   name ColorMatrix30
   label "DaVinci WG to XYZ D65"
   xpos 1390
   ypos -466
  }
push $Nfb0b3900
  ColorMatrix {
   matrix {
       {0.705396831 0.1640413404 0.08101775497}
       {0.2801307142 0.8202067018 -0.1003373787}
       {-0.1037815139 -0.07290726155 1.265746593}
     }
   name ColorMatrix29
   label "Filmlight E-Gamut to XYZ D65"
   xpos 1280
   ypos -466
  }
push $Nfb0b3900
  ColorMatrix {
   matrix {
       {0.5990839005 0.2489254922 0.1024464965}
       {0.2150758207 0.8850684166 -0.1001443192}
       {-0.03206584975 -0.02765838802 1.148782015}
     }
   name ColorMatrix31
   label "SonySGamut3 to XYZ D65"
   xpos 1170
   ypos -465
  }
push $Nfb0b3900
  ColorMatrix {
   matrix {
       {0.735275209 0.06860940903 0.1465712786}
       {0.2866940796 0.8429790735 -0.1296732426}
       {-0.07968084514 -0.3473432064 1.516081929}
     }
   name ColorMatrix22
   label "REDWideGamutRGB to XYZ D65"
   xpos 1060
   ypos -466
  }
push $Nfb0b3900
  ColorMatrix {
   matrix {
       {0.6380076408 0.2147038132 0.09774445742}
       {0.2919537723 0.8238408566 -0.1157948226}
       {0.002798279049 -0.06703422219 1.153293848}
     }
   name ColorMatrix21
   label "Arri AlexaWideGamut to XYZ D65"
   xpos 950
   ypos -466
  }
push $Nfb0b3900
  ColorMatrix {
   matrix {
       {0.4123909175 0.3575843573 0.1804807931}
       {0.2126390785 0.7151687145 0.07219231129}
       {0.01933082566 0.1191947833 0.9505321383}
     }
   name ColorMatrix18
   label "Rec709 to XYZ D65"
   xpos 840
   ypos -466
  }
push $Nfb0b3900
  ColorMatrix {
   matrix {
       {0.6369581223 0.1446169168 0.1688809693}
       {0.2627002299 0.6779981256 0.05930171534}
       {4.99410725e-17 0.02807269618 1.060985088}
     }
   name ColorMatrix17
   label "Rec2020 to XYZ D65"
   xpos 730
   ypos -466
  }
push $Nfb0b3900
  ColorMatrix {
   matrix {
       {0.4865711331 0.2656677067 0.1982173175}
       {0.2289746404 0.6917386055 0.07928691804}
       {-3.972076965e-17 0.04511338845 1.043944478}
     }
   name ColorMatrix16
   label "P3D65 to XYZ D65"
   xpos 620
   ypos -466
  }
push $Nfb0b3900
  ColorMatrix {
   matrix {
       {0.6609312296 0.1336961389 0.1558285803}
       {0.2722287476 0.6740817428 0.05368950963}
       {-0.006018006243 0.004383686464 1.090692043}
     }
   name ColorMatrix1
   label "ACEScg to XYZ D65"
   xpos 510
   ypos -466
  }
push $Nfb0b3900
  ColorMatrix {
   matrix {
       {0.9503623843 0 9.346324805e-05}
       {0.3439664543 0.728166163 -0.07213254273}
       {0 0 1.089057803}
     }
   name ColorMatrix2
   label "ACES to XYZ D65"
   xpos 400
   ypos -466
  }
  Switch {
   inputs 10
   which {{gamut}}
   name SwitchGamut
   xpos 400
   ypos -370
  }
 end_group
 ColorMatrix {
  matrix {
      {{parent.XYZ_to_Gamut.ColorMatrix.matrix} {parent.XYZ_to_Gamut.ColorMatrix.matrix} {parent.XYZ_to_Gamut.ColorMatrix.matrix}}
      {{parent.XYZ_to_Gamut.ColorMatrix.matrix} {parent.XYZ_to_Gamut.ColorMatrix.matrix} {parent.XYZ_to_Gamut.ColorMatrix.matrix}}
      {{parent.XYZ_to_Gamut.ColorMatrix.matrix} {parent.XYZ_to_Gamut.ColorMatrix.matrix} {parent.XYZ_to_Gamut.ColorMatrix.matrix}}
    }
  invert true
  name ColorMatrix2
  xpos 1060
  ypos 951
 }
 Switch {
  inputs 4
  which {{colorspace}}
  name Switch1
  xpos 840
  ypos 1022
 }
 Crop {
  box {0 -1 {width} {height}}
  crop false
  name Crop2
  xpos 840
  ypos 1118
  disable {{!parent.achromatic_row}}
 }
 Expression {
  temp_name0 ar
  temp_expr0 exp(p*x/width-p)*pow(2,ex)
  channel0 {rgba.red -rgba.green -rgba.blue none}
  expr0 y==-1?ar:r
  expr1 y==-1?ar:g
  expr2 y==-1?ar:b
  name Expression1
  label "achromatic row"
  xpos 840
  ypos 1160
  disable {{!parent.achromatic_row}}
 }
 Crop {
  box {0 {-height/sm} {width} {height}}
  reformat true
  crop false
  name Crop1
  xpos 840
  ypos 1214
  disable {{!parent.achromatic_row}}
 }
set Nd4770800 [stack 0]
 Shuffle {
  alpha white
  name Shuffle1
  label "\[value in]"
  xpos 840
  ypos 1257
 }
 Output {
  name Output
  xpos 840
  ypos 1334
 }
push $Nd4770800
 Viewer {
  frame_range 1-100
  name Viewer1
  note_font Helvetica
  xpos 1115
  ypos 1119
 }
end_group
Saturation {
 saturation {{_s}}
 mode Maximum
 name Saturation4
 note_font Helvetica
 selected true
 xpos -2020
 ypos 255
 addUserKnob {20 User}
 addUserKnob {7 _s l "" +STARTLINE}
 _s 1
}