CamProjBetter is a really nice tool to put things in 3D space. You just need to select the reference frame and then the distance that the card would be at (check it in deep or depth channel). Connect the image, and the camera, and that's it.
Unfortunately, I can't give credit to anyone because I have no idea who wrote this.
Expand CamProjBetter
Group {
inputs 0
name CamProjBetter01
help "This node lets yuo project a texture onto a card to fit the frustum of the connected camera at the reference frame.\n\nThis is useful to either matchmove or stabilise a plate based on a camera rather than 2D tracking data.\n\n"
knobChanged "\nn = nuke.thisNode()\nk = nuke.thisKnob()\n\nif k.name() == 'use_input':\n n\['knob'].setEnabled( not k.value() )\n"
onCreate "\nif nuke.thisNode()\['f_created'].getValue()==True:\n nuke.thisNode()\['f_created'].setValue(False)\n nuke.thisNode().showControlPanel()"
tile_color 0x9c0000ff
note_font_size 12
selected true
xpos -108
ypos -23
addUserKnob {20 "" l CameraProject}
addUserKnob {6 f_created l "First Created_" +INVISIBLE +STARTLINE}
f_created true
addUserKnob {32 knob l "import chan file" t "when importing a chan file instead of hooking up a camera node, make sure to set the corrcet aperture in the CameraKnobs tab before importing the file!" -STARTLINE +DISABLED T "import_chan_button this.CAM_ANIM\nknob this.use_input 0"}
addUserKnob {6 use_input l "use input" t "if checked the camera hooked up to the cam pipe is used\ninstead of the internal one.\nIf unchecked, make sure to set the correct aperture in the CameraKnobs tab before importing the chan file!" -STARTLINE}
use_input true
addUserKnob {4 output t "stabilize - use this to stabilize a plate using the respective match moved camera\nmatch - track an element into the shot based on the camera input" M {stabilize match}}
output match
addUserKnob {3 ref l refFrame t "if the output format is the same as the plate you want to match/stabilize,\nthis will be the frame that will not be modified."}
ref 1058
addUserKnob {7 distance t "the distance of the card to the camera.\nIf you have a nodal camera this isn't important\notherwise you need to adjust this to get the required parallax." R 1 1000}
distance 325
addUserKnob {26 "" l output}
addUserKnob {41 format T Card3D1.format}
addUserKnob {41 crop_1 l "black outside" +INVISIBLE T Card3D1.crop}
addUserKnob {6 crop -STARTLINE}
crop true
addUserKnob {41 full_format l "output format" +INVISIBLE T Card3D1.full_format}
addUserKnob {41 proxy_format l "proxy format" +INVISIBLE T Card3D1.proxy_format}
addUserKnob {41 filter T Card3D1.filter}
addUserKnob {20 "" l MotionBlur}
addUserKnob {41 motionblur T Card3D1.motionblur}
addUserKnob {41 shutter T Card3D1.shutter}
addUserKnob {41 shutteroffset l "shutter offset" T Card3D1.shutteroffset}
addUserKnob {41 shuttercustomoffset l "" -STARTLINE T Card3D1.shuttercustomoffset}
addUserKnob {20 "" l CameraKnobs}
addUserKnob {41 rot_order l "rotation order" T CAM_ANIM.rot_order}
addUserKnob {41 translate T CAM_ANIM.translate}
addUserKnob {41 rotate T CAM_ANIM.rotate}
addUserKnob {26 ""}
addUserKnob {41 focal l "focal length" T CAM_ANIM.focal}
addUserKnob {41 haperture l "horiz aperture" T CAM_ANIM.haperture}
addUserKnob {41 vaperture l "vert aperture" T CAM_ANIM.vaperture}
addUserKnob {41 win_scale l "window scale" T CAM_ANIM.win_scale}
addUserKnob {26 ""}
addUserKnob {41 label_1 l label T CAM_ANIM.label}
}
Input {
inputs 0
name CAM
xpos -16
ypos 113
number 1
}
Camera {
inputs 0
display off
selectable false
haperture 9.58
vaperture 5.39
near 0.001
far {{parent.distance*2}}
name CAM_ANIM
xpos -136
ypos 41
}
Switch {
inputs 2
which {{parent.use_input}}
name Switch4
label "internal or connected camera"
xpos -16
ypos 54
}
set Ndcbd4800 [stack 0]
Camera {
inputs 0
display off
selectable false
rot_order {{"\[topnode parent.input1].rot_order"}}
translate {{"\[topnode parent.input1].translate.x(parent.ref)"} {"\[topnode parent.input1].translate.y(parent.ref)"} {"\[topnode parent.input1].translate.z(parent.ref)"}}
rotate {{"\[topnode parent.input1].rotate.x(parent.ref)"} {"\[topnode parent.input1].rotate.y(parent.ref)"} {"\[topnode parent.input1].rotate.z(parent.ref)"}}
focal {{"\[topnode input1].focal.0"}}
haperture {{"\[topnode input1].haperture.0"}}
vaperture {{"\[topnode input1].vaperture.0"}}
near 0.0001
far {{parent.distance*2}}
win_scale {{"\[topnode input1].win_scale.0"} {"\[topnode input1].win_scale.1"}}
name CAM_STATIC1
tile_color 0x5682e700
gl_color 0x4851e400
label "connected cam\n"
xpos 28
ypos -178
}
Camera {
inputs 0
display off
selectable false
rot_order {{CAM_ANIM.rot_order}}
translate {{CAM_ANIM.translate.x(parent.ref)} {CAM_ANIM.translate.y(parent.ref)} {CAM_ANIM.translate.z(parent.ref)}}
rotate {{CAM_ANIM.rotate.x(parent.ref)} {CAM_ANIM.rotate.y(parent.ref)} {CAM_ANIM.rotate.z(parent.ref)}}
focal {{CAM_ANIM.focal.0}}
haperture {{CAM_ANIM.haperture.0}}
vaperture {{CAM_ANIM.vaperture.0}}
near 0.0001
far {{parent.distance*2}}
name CAM_STATIC
tile_color 0x5682e700
gl_color 0x4851e400
label "internal cam"
xpos -112
ypos -85
}
Switch {
inputs 2
which {{parent.use_input}}
name Switch5
label "internal or connected cam\n\[input this \[knob parent.use_input]]"
xpos 28
ypos -72
}
set Ndc153200 [stack 0]
Switch {
inputs 2
which {{!parent.output}}
name Switch1
label "match or stabilize"
xpos 177
ypos -72
}
push $Ndc153200
push $Ndcbd4800
Switch {
inputs 2
which {{!parent.output}}
name Switch2
label "match or stabilize"
xpos 166
ypos 54
}
Input {
inputs 0
name IMG
xpos 409
ypos -97
}
Card3D {
inputs 3
scaling {{"\[input Switch5 \[value parent.use_input]].win_scale.0"} {"\[input Switch5 \[value parent.use_input]].win_scale.1"} 1}
uniform_scale {{parent.distance}}
pivot {0 0 1}
lens_in_focal {{"\[input Switch5 \[value parent.use_input]].focal"}}
lens_in_haperture {{"\[input Switch5 \[value parent.use_input]].haperture"}}
motionblur 1.1
shutteroffset centred
name Card3D1
label internal
selected true
xpos 409
ypos 54
}
Crop {
box {0 0 {width} {height}}
intersect true
name Crop1
xpos 409
ypos 241
disable {{!parent.crop}}
}
Output {
name Output1
xpos 409
ypos 324
}
end_group