[Nuke-users] RotoPaint knobDefault's for toolbar settings
hello,
Is there a straight forward way of setting the tool bar knobDefaults on
create for the RotoPaint node?
ie
nuke.knobDefault('RotoPaint.toolbar_opacity', '0.05')
nuke.knobDefault('RotoPaint.toolbar_lifetime_type', 'all')
obviously don't work or I'm missing something.. also not sure what the
expression would be if I wanted it to apply these settings only under
certain paint tools inside of the roto paint node.
ie
clone and the eraser tool gets set to : opacity = .05
lifetime = all
other tools get left at their default state of single frame and 1 opacity.
thanks,
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Re: [Nuke-users] RotoPaint knobDefault's for toolbar settings
Hi Alex, you have to do it like this (for lifetime, for example). They
should really change the way this works, I have a bug id for it: bug
#10544
nuke.knobDefault(RotoPaint.toolbox, '''clone {
{ brush ltt 0}
{ clone ltt 0}
{ blur ltt 0}
{ sharpen ltt 0}
{ smear ltt 0}
{ eraser ltt 0}
{ reveal ltt 0}
{ dodge ltt 0}
{ burn ltt 0}
}''')
On Mon, Apr 9, 2012 at 3:45 PM, Alexander Berson aber...@wetafx.co.nz wrote:
hello,
Is there a straight forward way of setting the tool bar knobDefaults on
create for the RotoPaint node?
ie
nuke.knobDefault('RotoPaint.toolbar_opacity', '0.05')
nuke.knobDefault('RotoPaint.toolbar_lifetime_type', 'all')
obviously don't work or I'm missing something.. also not sure what the
expression would be if I wanted it to apply these settings only under
certain paint tools inside of the roto paint node.
ie
clone and the eraser tool gets set to : opacity = .05
lifetime = all
other tools get left at their default state of single frame and 1 opacity.
thanks,
___
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--
Jose Fernandez de Castro
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Re: [Nuke-users] RotoPaint knobDefault's for toolbar settings
type help('_curvelib') on script editor and run to find out the attributes.
ltt = lifetime
opc = opacity
and so on.
Hi Alex, you have to do it like this (for lifetime, for example). They
should really change the way this works, I have a bug id for it: bug
#10544
nuke.knobDefault(RotoPaint.toolbox, '''clone {
{ brush ltt 0}
{ clone ltt 0}
{ blur ltt 0}
{ sharpen ltt 0}
{ smear ltt 0}
{ eraser ltt 0}
{ reveal ltt 0}
{ dodge ltt 0}
{ burn ltt 0}
}''')
On Mon, Apr 9, 2012 at 3:45 PM, Alexander Berson aber...@wetafx.co.nz
wrote:
hello,
Is there a straight forward way of setting the tool bar knobDefaults on
create for the RotoPaint node?
ie
nuke.knobDefault('RotoPaint.toolbar_opacity', '0.05')
nuke.knobDefault('RotoPaint.toolbar_lifetime_type', 'all')
obviously don't work or I'm missing something.. also not sure what the
expression would be if I wanted it to apply these settings only under
certain paint tools inside of the roto paint node.
ie
clone and the eraser tool gets set to : opacity = .05
lifetime =
all
other tools get left at their default state of single frame and 1
opacity.
thanks,
___
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--
**
Magno Borgo
www.borgo.tv
www.boundaryvfx.com
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[Nuke-users] Creating infinate zoom and image nesting
I have been trying for the last few days in creating an Earth Zoom also known as a Cosmic Zoom or as I like to think of it simply as image nesting. I found a tutorial for it in AE and it seams straight forward. It can also be done in Flame with the same logical steps, however I have been unable to do the same thing using Nuke. The problem is that once a node passes through a merge the pixels are baked down. You can have transform nodes one after the other doing inverse things and because of CONCATENATING they will cancel each other out without effect. but if you scale something down using a transform and merge it with another plate the output can not be inversely scaled back up with out degradation. Short of creating giant 30K and larger images (using a reformat to nest them ) I can't make something work as efficiently as possible. Below is the tutorial of the After Effects setup. If any one can give some pointers that would be an amazing help http://www.videocopilot.net/tutorial/earth_zoom/ Thanks ___ Nuke-users mailing list Nuke-users@support.thefoundry.co.uk, http://forums.thefoundry.co.uk/ http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users
Re: [Nuke-users] Creating infinate zoom and image nesting
Hi,
In Nuke, I think there's 2 ways you could go about this:
1 - Keep all your transforms together for each image, before merging them
together. That means you'll probably want to have one master transform that
drives the camera move, and have it cloned (or expression linked) as the
last transform of each one of your images. Then, above that transform, just
position, scale each image to line them up. And if you need to do any
masking to blend them together, make sure you do that before the transforms.
2 - The workflow you describe from AE Flame can be achieved by moving to
a 3D setup instead. One of the really cool things about Nuke that doesn't
get enough rep is the fact that geometry honors concatenation when looking
up its textures. So, say you have an image, scale it way down, and put it
on a card. If you render that through a camera that gets very close to the
card (and therefore scales it up again), you'll see that it's still
concatenating with the transformations before the card. And, most
importantly, this stays true even when you use MergeMaterial nodes.
So, for the case of the Earth Zoom, you could use a setup like this (and
if you're going to be adding cloud layers, etc, they might need to have
some parallax, so I would definitely recommend the 3D setup in this case):
set cut_paste_input [stack 0]
version 6.3 v4
StickyNote {
inputs 0
name StickyNote1
label because of the way geometry textures itself honoring\nconcatenation
of transforms, you can get close to your scaled\ndown images without
loosing detail down here
selected true
xpos -1564
ypos 342
}
push $cut_paste_input
Camera2 {
translate {{curve x1 0} {curve x1 0} {curve x1 -0.528 x20 1.528}}
name Camera1
selected true
xpos -1586
ypos 250
}
CheckerBoard2 {
inputs 0
name CheckerBoard1
selected true
xpos -1221
ypos -27
}
Transform {
scale 0.1
center {1024 778}
name Transform8
label sacled way down
selected true
xpos -1228
ypos 61
}
CheckerBoard2 {
inputs 0
name CheckerBoard7
selected true
xpos -1318
ypos -144
}
Transform {
scale 0.3
center {1024 778}
name Transform9
label sacled way down
selected true
xpos -1318
ypos -55
}
ColorWheel {
inputs 0
gamma 0.45
name ColorWheel1
label BG = widest image
selected true
xpos -1428
ypos -230
}
MergeMat {
inputs 2
name MergeMat2
selected true
xpos -1428
ypos -49
}
MergeMat {
inputs 2
name MergeMat1
selected true
xpos -1428
ypos 67
}
Card2 {
translate {0 0 -0.713866}
control_points {3 3 3 6
1 {-0.5 -0.5 0} 0 {0.166865 0 0} 0 {0 0 0} 0 {0 0.166865 0} 0 {0 0
0} 0 {0 0 0}
1 {0 -0.5 0} 0 {0.166716 0 0} 0 {-0.166716 0 0} 0 {0 0.166865
0} 0 {0 0 0} 0 {0.5 0 0}
1 {0.5 -0.5 0} 0 {0 0 0} 0 {-0.166865 0 0} 0 {0 0.166865 0} 0 {0 0
0} 0 {1 0 0}
1 {-0.5 0 0} 0 {0.166865 0 0} 0 {0 0 0} 0 {0 0.166716 0} 0 {0
-0.166716 0} 0 {0 0.5 0}
1 {0 0 0} 0 {0.166716 0 0} 0 {-0.166716 0 0} 0 {0 0.166716 0} 0
{0 -0.166716 0} 0 {0.5 0.5 0}
1 {0.5 0 0} 0 {0 0 0} 0 {-0.166865 0 0} 0 {0 0.166716 0} 0 {0
-0.166716 0} 0 {1 0.5 0}
1 {-0.5 0.5 0} 0 {0.166865 0 0} 0 {0 0 0} 0 {0 0 0} 0 {0 -0.166865
0} 0 {0 1 0}
1 {0 0.5 0} 0 {0.166716 0 0} 0 {-0.166716 0 0} 0 {0 0 0} 0 {0
-0.166865 0} 0 {0.5 1 0}
1 {0.5 0.5 0} 0 {0 0 0} 0 {-0.166865 0 0} 0 {0 0 0} 0 {0 -0.166865
0} 0 {1 1 0} }
name Card1
selected true
xpos -1428
ypos 158
}
push 0
ScanlineRender {
inputs 3
output_motion_vectors_type accurate
name ScanlineRender1
selected true
xpos -1428
ypos 270
}
Hope that helps.
Cheers,
Ivan
On Mon, Apr 9, 2012 at 6:09 PM, mesropa
nuke-users-re...@thefoundry.co.ukwrote:
**
I have been trying for the last few days in creating an Earth Zoom also
known as a Cosmic Zoom or as I like to think of it simply as image
nesting. I found a tutorial for it in AE and it seams straight forward. It
can also be done in Flame with the same logical steps, however I have been
unable to do the same thing using Nuke. The problem is that once a node
passes through a merge the pixels are baked down. You can have transform
nodes one after the other doing inverse things and because of CONCATENATING
they will cancel each other out without effect. but if you scale something
down using a transform and merge it with another plate the output can not
be inversely scaled back up with out degradation. Short of creating giant
30K and larger images (using a reformat to nest them ) I can't make
something work as efficiently as possible. Below is the tutorial of the
After Effects setup. If any one can give some pointers that would be an
amazing help
http://www.videocopilot.net/tutorial/earth_zoom/
Thanks
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Re: [Nuke-users] Creating infinate zoom and image nesting
there are probably other solutions to this, but my first go
would be to use a master transform node for the zoom and create
expression linked (or cloned) instances in every branch of each
tile before the merge, then a separate transform to adjust scale
and then merge them..
something like:
set cut_paste_input [stack 0]
CheckerBoard2 {
inputs 0
boxsize 300
color0 0
color1 1
color2 0
color3 1
centerlinewidth 0
name CheckerBoard2
selected true
xpos -135
ypos -468
}
Grade {
blackpoint -0.075
whitepoint {2.45 1 1 2.45}
name Grade1
selected true
xpos -135
ypos -396
}
Remove {
channels alpha
name Remove1
selected true
xpos -135
ypos -364
}
Transform {
translate {{Transform1.translate} {Transform1.translate}}
rotate {{Transform1.rotate}}
scale {{Transform1.scale}}
skew {{Transform1.skew}}
center {{Transform1.center} {Transform1.center}}
invert_matrix {{Transform1.invert_matrix}}
filter Keys
clamp {{Transform1.clamp}}
black_outside {{Transform1.black_outside}}
motionblur {{Transform1.motionblur}}
shutter {{Transform1.shutter}}
shutteroffset {{Transform1.shutteroffset}}
shuttercustomoffset {{Transform1.shuttercustomoffset}}
name Transform1_clone1
selected true
xpos -135
ypos -258
icon \[value Transform1.icon]
}
CheckerBoard2 {
inputs 0
boxsize 60
color0 0
color1 1
color2 0
color3 1
centerlinewidth 0
name CheckerBoard1
selected true
xpos 59
ypos -469
}
Grade {
blackpoint -0.075
whitepoint {1 2 1 2.45}
name Grade2
selected true
xpos 59
ypos -397
}
Remove {
channels alpha
name Remove2
selected true
xpos 59
ypos -373
}
Transform {
translate {{Transform1.translate} {Transform1.translate}}
rotate {{Transform1.rotate}}
scale {{Transform1.scale}}
skew {{Transform1.skew}}
center {{Transform1.center} {Transform1.center}}
invert_matrix {{Transform1.invert_matrix}}
filter Keys
clamp {{Transform1.clamp}}
black_outside {{Transform1.black_outside}}
motionblur {{Transform1.motionblur}}
shutter {{Transform1.shutter}}
shutteroffset {{Transform1.shutteroffset}}
shuttercustomoffset {{Transform1.shuttercustomoffset}}
name Transform1_clone2
selected true
xpos 59
ypos -265
icon \[value Transform1.icon]
}
Transform {
scale 5
center {960 540}
filter Keys
name Transform2
selected true
xpos 59
ypos -197
}
Merge2 {
inputs 2
name Merge1
selected true
xpos 59
ypos -112
}
push $cut_paste_input
Transform {
scale {{curve i x1 1 x100 0.1}}
center {960 540}
filter Keys
name Transform1
label MASTER ZOOM
selected true
xpos -304
ypos -260
}
On 4/10/12 at 3:09 AM, nuke-users-re...@thefoundry.co.uk
(mesropa) wrote:
I have been trying for the last few days in creating an
Earth Zoom also known as a Cosmic Zoom or as I like to
think of it simply as image nesting. I found a tutorial
for it in AE and it seams straight forward. It can also be
done in Flame with the same logical steps, however I have
been unable to do the same thing using Nuke. The problem
is that once a node passes through a merge the pixels are
baked down. You can have transform nodes one after the
other doing inverse things and because of CONCATENATING
they will cancel each other out without effect. but if you
scale something down using a transform and merge it with
another plate the output can not be inversely scaled back
up with out degradation. Short of creating giant 30K and
larger images (using a reformat to nest them ) I can't
make something work as efficiently as possible. Below is
the tutorial of the After Effects setup. If any one can
give some pointers that would be an amazing help
http://www.videocopilot.net/tutorial/earth_zoom/
Thanks
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