Group {
name P_Project
help "Position Project\n\nCamera Project using only the render of the Position pass and the Camera.\n"
onCreate "if nuke.thisNode()\['created'].value() == False:\n    nuke.thisNode()\['created'].setValue(True)\n    nuke.thisNode().knob('project_frame').setValue(nuke.frame())"
knobChanged "if nuke.thisKnob().name() in ('matte', 'showPanel'):\n    inputT = nuke.exists('Alpha')\n    mode = nuke.thisNode()\['matte'].value()\n    if mode == 'rgba.alpha':\n        if str(inputT)== 'True':\n            nuke.thisNode().setInput(3,None)\n            n = nuke.toNode('Alpha')\n            nuke.delete(n)\n    else:\n        if str(inputT)== 'False':\n            #nuke.message('Add New Input in Node')\n            i = nuke.createNode('Input', inpanel=False )\n            i\['name'].setValue('Alpha')\n            n = nuke.toNode('Switch2')\n            n.setInput(0,i)"
tile_color 0xdda92aff
selected true
icon F_iconalpha.png
addUserKnob {20 User l "Position Project"}
addUserKnob {6 created l INVISIBLE +INVISIBLE +STARTLINE}
created true
addUserKnob {41 in l "<font color=\"green\">@b;P channel" t "Choose the position pass channel." T Shuffle_input_channel.in}
addUserKnob {26 ""}
addUserKnob {3 project_frame l "Project Frame" t "Enter the reference frame you want for the camera projection."}
project_frame 1
addUserKnob {22 setframe l " Set Current! " t "Set automatically the reference frame to the current frame." -STARTLINE T nuke.thisNode().knob('project_frame').setValue(nuke.frame())}
addUserKnob {6 freeze_image l "Hold Image also (same frame)" t "Hold to the same frame the input Image." +STARTLINE}
addUserKnob {26 S01 l " "}
addUserKnob {41 filter l Filter T STMap1.filter}
addUserKnob {6 crop l Crop t "Crop the incoming image, putting black outside the format area." -STARTLINE}
addUserKnob {6 antialiasing l Antialiasing t "Increase the size of the input position pass before the projection." +STARTLINE}
addUserKnob {26 S04 l " " T " "}
addUserKnob {26 ""}
addUserKnob {26 T01 l "   (Un)Premult by" t "The Position Pass is divide by the Alpha channel before being processed, and multiplied again afterwards. This can improve the texturing of anti-aliased edges." T ""}
addUserKnob {6 premult l "" t "The Position Pass is divide by the Alpha channel before being processed, and multiplied again afterwards. This can improve the texturing of anti-aliased edges." -STARTLINE}
addUserKnob {4 matte l "" t "Choose the Alpha channel.\nAlpha is usefull for a better result with clean edge (UnPremult / Premult).\n\nrgba.alpha: \nPick automaticaly the Alpha from the Input.\n\nrgba.alpha (New Input):\nPick the Alpha from an other Input." -STARTLINE M {rgba.alpha "rgba.alpha (New Input)" "" "" "" "" ""}}
addUserKnob {26 by2 l " " T "                                                                                               "}
addUserKnob {26 FTools l " " t "FranklinVfx.com\n" -STARTLINE T "<font color=\"#1C1C1C\"> Franklin Vfx - 2017"}
addUserKnob {1 output l INVISIBLE +INVISIBLE}
output "\[value project_frame]"
}
Input {
inputs 0
name Pos
xpos -276
ypos -437
number 1
}
Dot {
name Dot2
xpos -242
ypos -229
}
set Nebfbbc00 [stack 0]
Dot {
name Dot7
xpos -14
ypos -229
}
set Nebfbb800 [stack 0]
push 0
Switch {
inputs 2
which {{!matte i}}
name Switch2
xpos -48
ypos -138
}
NoOp {
name AlphaCheck
xpos -48
ypos -60
addUserKnob {20 User}
addUserKnob {6 alpha +STARTLINE}
alpha {{"\[python \"len(\\\[n for n in nuke.channels(nuke.thisNode().input(0)) if n.find(\\\".a\\\") != -1])>0\"]" i}}
}
AddChannels {
channels rgba
name AddAlpha
xpos -48
ypos -17
}
Dot {
name Dot4
xpos -14
ypos 74
}
set Nebfbac00 [stack 0]
Dot {
name Dot5
xpos -14
ypos 1201
}
push $Nebfbac00
push $Nebfbb800
Dot {
name Dot3
xpos 208
ypos -229
}
set Nebfba400 [stack 0]
Shuffle {
in none
name Shuffle_input_channel
xpos 174
ypos -27
}
Copy {
inputs 2
from0 rgba.alpha
to0 rgba.alpha
name Copy1
xpos 174
ypos 64
}
set Ned35bc00 [stack 0]
push $Ned35bc00
Blur {
inputs 1+1
size 2
invert_mask true
name Blur1
xpos 386
ypos 64
disable {{!parent.antialiasing}}
}
Unpremult {
name Unpremult1
xpos 386
ypos 102
}
Dot {
name Dot1
xpos 420
ypos 198
}
push $Ned35bc00
Switch {
inputs 2
which {{parent.premult}}
name Switch9
xpos 174
ypos 194
disable {{!AlphaCheck.alpha}}
}
Reformat {
type scale
scale 2
pbb true
name Reformat5
tile_color 0xff0000ff
xpos 174
ypos 294
disable {{!parent.antialiasing}}
}
Expression {
expr0 "(r - Proj_Cam.world_matrix.3)"
expr1 "(g - Proj_Cam.world_matrix.7)"
expr2 "(b - Proj_Cam.world_matrix.11)"
name Distance
xpos 174
ypos 417
}
Expression {
temp_name0 x
temp_expr0 "Proj_Cam.world_matrix.0 * r + Proj_Cam.world_matrix.4 * g + Proj_Cam.world_matrix.8 * b"
temp_name1 y
temp_expr1 "Proj_Cam.world_matrix.1 * r + Proj_Cam.world_matrix.5 * g + Proj_Cam.world_matrix.9 * b"
temp_name2 z
temp_expr2 "Proj_Cam.world_matrix.2 * r + Proj_Cam.world_matrix.6 * g + Proj_Cam.world_matrix.10 * b"
expr0 x
expr1 y
expr2 z
name Transform
xpos 174
ypos 452
}
set Nf26a5c00 [stack 0]
Expression {
temp_name0 ratio
temp_expr0 1
temp_name1 focal
temp_expr1 Proj_Cam.focal
temp_name2 u
temp_expr2 "0.5 + (r * ((focal/(Proj_Cam.haperture))/b)) * -1"
temp_name3 v
temp_expr3 "0.5 + (g * ((focal/(Proj_Cam.vaperture * ratio))/b)) * -1"
expr0 "u>0 && u<1 && v>0 && v<1 ? u : 0"
expr1 "v>0 && v<1 && u>0 && u<1 ? v : 0"
channel2 none
channel3 none
name Solve
label ratio=1/pixel_aspect
xpos 100
ypos 538
}
push $Nf26a5c00
Expression {
temp_name0 ratio
temp_expr0 1
temp_name1 focal
temp_expr1 Proj_Cam.focal
temp_name2 u
temp_expr2 "0.5 + (r * ((focal/(Proj_Cam.haperture))/b)) * -1"
temp_name3 v
temp_expr3 "0.5 + (g * ((focal/(Proj_Cam.vaperture * ratio))/b)) * -1"
expr0 u
expr1 v
channel2 none
channel3 none
name Solve_Crop
xpos 246
ypos 551
}
Dissolve {
inputs 2
which {{parent.crop}}
name Dissolve2
xpos 174
ypos 635
}
Input {
inputs 0
name Image
xpos 630
ypos -453
}
FrameHold {
first_frame {{parent.project_frame i x1060 1060}}
name FrameHold1
xpos 630
ypos -356
disable {{!parent.freeze_image i}}
}
Log2Lin {
operation lin2log
name Log2Lin1
label "\[if \{\[value operation]==\"lin2log\"\} \{return \"\[knob this.icon F_iconstart.png]\"\} \{return \"\[knob this.icon F_iconend.png]\"\}]"
xpos 630
ypos -318
icon F_iconstart.png
}
Reformat {
type "to box"
box_width {{parent.Crop1.box.r}}
box_height {{parent.Crop1.box.t}}
box_fixed true
box_pixel_aspect {{parent.Crop1.softness}}
resize none
center false
pbb true
name Reformat2
xpos 630
ypos -207
}
Reformat {
type scale
scale {{parent.Reformat5.scale}}
pbb {{parent.Reformat5.pbb}}
name Reformat7
tile_color 0xff0000ff
xpos 630
ypos 291
disable {{!parent.antialiasing}}
}
Dot {
name Dot12
xpos 664
ypos 773
}
STMap {
inputs 2
uv rgb
blur_scale 0
maskChannel -rgba.alpha
name STMap1
xpos 174
ypos 763
}
Log2Lin {
name Log2Lin2
label "\[if \{\[value operation]==\"lin2log\"\} \{return \"\[knob this.icon F_iconstart.png]\"\} \{return \"\[knob this.icon F_iconend.png]\"\}]"
xpos 174
ypos 878
icon F_iconend.png
}
Clamp {
maximum 1001
name Clamp1
xpos 174
ypos 969
}
Reformat {
type scale
scale {{1/parent.Reformat5.scale}}
pbb true
name Reformat8
tile_color 0xff0000ff
xpos 174
ypos 1094
disable {{!parent.antialiasing}}
}
set N34c9800 [stack 0]
Multiply {
inputs 1+1
value 0
invert_mask true
name Multiply1
xpos 77
ypos 1191
disable {{!AlphaCheck.alpha i}}
}
push $N34c9800
Switch {
inputs 2
which {{parent.premult}}
name Switch10
xpos 174
ypos 1273
}
Dot {
name Dot6
xpos 208
ypos 1399
}
push $Nebfbbc00
Copy {
inputs 2
channels rgba
name Copy2
xpos -276
ypos 1382
}
Output {
name FranklinVFX
xpos -276
ypos 1524
}
Camera2 {
inputs 0
read_from_file true
display off
selectable false
useMatrix true
matrix {
    {{"\[topnode parent.input2].world_matrix (parent.project_frame)"} {"\[topnode parent.input2].world_matrix (parent.project_frame)"} {"\[topnode parent.input2].world_matrix (parent.project_frame)"} {"\[topnode parent.input2].world_matrix (parent.project_frame)"}}
    {{"\[topnode parent.input2].world_matrix (parent.project_frame)"} {"\[topnode parent.input2].world_matrix (parent.project_frame)"} {"\[topnode parent.input2].world_matrix (parent.project_frame)"} {"\[topnode parent.input2].world_matrix (parent.project_frame)"}}
    {{"\[topnode parent.input2].world_matrix (parent.project_frame)"} {"\[topnode parent.input2].world_matrix (parent.project_frame)"} {"\[topnode parent.input2].world_matrix (parent.project_frame)"} {"\[topnode parent.input2].world_matrix (parent.project_frame)"}}
    {{"\[topnode parent.input2].world_matrix (parent.project_frame)"} {"\[topnode parent.input2].world_matrix (parent.project_frame)"} {"\[topnode parent.input2].world_matrix (parent.project_frame)"} {"\[topnode parent.input2].world_matrix (parent.project_frame)"}}
  }
focal {{"\[topnode parent.input2].focal (parent.project_frame)"}}
haperture {{"\[topnode parent.input2].haperture (parent.project_frame)"}}
vaperture {{"\[topnode parent.input2].vaperture (parent.project_frame)"}}
name Proj_Cam
xpos 430
ypos 397
}
Input {
inputs 0
name Cam
xpos 416
ypos 325
number 2
}
push $Nebfba400
Reformat {
resize none
center false
name Reformat11
xpos 487
ypos -233
disable true
}
Crop {
box {0 0 {input.width} {input.height}}
softness {{"\[python nuke.value(\"%s.pixel_aspect\" % nuke.thisNode().name())]"}}
name Crop1
knobChanged "a = nuke.thisNode()\naspectratio = a\['box_pixel_aspect'].value()\nprint aspectratio"
xpos 487
ypos -207
}
end_group