or create a roto and stick it on a checkerboard, then move it so its centre
jack is over the yellow cross as script below.
Can't think of a neat way.
set cut_paste_input [stack 0]
version 7.0 v6
CheckerBoard2 {
inputs 0
name CheckerBoard2
selected true
xpos 1596
ypos 4198
}
Roto {
output alpha
curves {{{v x3f99999a}
{f 0}
{n
{layer Root
{f 512}
{t x44700000 x44070000}
{a}
{curvegroup Ellipse1 576 bezier
{{cc
{f 8192}
{p
{{{x43260000 xc36cee20}}
{{x43260000 0}}}
{{{x43260000 x4487e000}}
{{x43260000 x42980000}}}
{{{x43260000 x436cee20}}
{{x43260000 0}}}
{{{x43260000 0}}
{{x43260000 xc36cee1e}}}
{{{x43260000 x44bd8000}}
{{x43260000 x43fc8000}}}
{{{x43260000 0}}
{{x43260000 x436cee20}}}
{{{x43260000 x436cee20}}
{{x43260000 0}}}
{{{x43260000 x4487e000}}
{{x43260000 x44698000}}}
{{{x43260000 xc36cee20}}
{{x43260000 0}}}
{{{x43260000 0}}
{{x43260000 x436cee20}}}
{{{x43260000 x44248000}}
{{x43260000 x43fc8000}}}
{{{x43260000 0}}
{{x43260000 xc36cee1e}}}}}
{cc
{f 8192}
{p
{{{x43260000 xc36cee20}}
{{x43260000 0}}}
{{{x43260000 0}}
{{x43260000 0}}}
{{{x43260000 x436cee20}}
{{x43260000 0}}}
{{{x43260000 0}}
{{x43260000 xc36cee1e}}}
{{{x43260000 0}}
{{x43260000 0}}}
{{{x43260000 0}}
{{x43260000 x436cee20}}}
{{{x43260000 x436cee20}}
{{x43260000 0}}}
{{{x43260000 0}}
{{x43260000 0}}}
{{{x43260000 xc36cee20}}
{{x43260000 0}}}
{{{x43260000 0}}
{{x43260000 x436cee20}}}
{{{x43260000 0}}
{{x43260000 0}}}
{{{x43260000 0}}
{{x43260000 xc36cee1e}}}}}}
{tx x43260000 x4487e000 x43fc8000 0
{{xc2fd999a -}}
{{x420e6666 -}}}
{a str 1 spx x44700000 spy x44070000 sb 1 ltn x43260000 ltm x43260000 tt
x40e00000}}}}}}
toolbox {selectAll {
{ selectAll str 1 ssx 1 ssy 1 sf 1 }
{ createBezier ro 0 go 0 bo 0 ao 0 str 1 ssx 1 ssy 1 sf 1 sb 1 tt 4 }
{ createBezierCusped str 1 ssx 1 ssy 1 sf 1 sb 1 }
{ createBSpline str 1 ssx 1 ssy 1 sf 1 sb 1 }
{ createEllipse ro 0 go 0 bo 0 ao 0 str 1 ssx 1 ssy 1 sf 1 sb 1 tt 7 }
{ createRectangle str 1 ssx 1 ssy 1 sf 1 sb 1 }
{ createRectangleCusped str 1 ssx 1 ssy 1 sf 1 sb 1 }
{ brush str 1 ssx 1 ssy 1 sf 1 sb 1 }
{ eraser src 2 str 1 ssx 1 ssy 1 sf 1 sb 1 }
{ clone src 1 str 1 ssx 1 ssy 1 sf 1 sb 1 }
{ reveal src 3 str 1 ssx 1 ssy 1 sf 1 sb 1 }
{ dodge src 1 str 1 ssx 1 ssy 1 sf 1 sb 1 }
{ burn src 1 str 1 ssx 1 ssy 1 sf 1 sb 1 }
{ blur src 1 str 1 ssx 1 ssy 1 sf 1 sb 1 }
{ sharpen src 1 str 1 ssx 1 ssy 1 sf 1 sb 1 }
{ smear src 1 str 1 ssx 1 ssy 1 sf 1 sb 1 }
} }
toolbar_brush_hardness 0.200000003
toolbar_source_transform_scale {1 1}
toolbar_source_transform_center {960 540}
colorOverlay {0 0 0 0}
lifetime_type "all frames"
lifetime_start 166
lifetime_end 166
motionblur_shutter_offset_type centred
source_black_outside true
createNewTrack {{-1} "-1\t(none)\t-1" "1000\tNew Track Layer\t1000"}
name Roto8
selected true
xpos 1596
ypos 4334
}
________________________________
From: Michael Habenicht <[email protected]>
To: [email protected]
Sent: Tuesday, 14 May 2013, 21:50
Subject: Re: [Nuke-users] Roto question.
Not that I know of. I would just use the Radial node.
Am 14.05.2013 20:48, schrieb Nick Guth:
> I'm a bit embarrassed to ask, but is there a way to create perfectly centered
> roto shapes in Nuke? In AE you can double click the shape and have it fill
> the compositions format with the shape, but in nuke I can't figure out how to
> center my shape perfectly once it's created. I'm sure it's something basic
> that I am overlooking.
>
> All I want is a circle roto dead center of frame. :]
>
> Thanks!
>
> Sent from my iPad_______________________________________________
> Nuke-users mailing list
> [email protected], http://forums.thefoundry.co.uk/
> http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users
>
_______________________________________________
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