Hi ! It's a good hint you found here with the Stroke object !
Unfortunately, it did not solved my problme, prehaps i have introduced a
mistake while using .Stroke instead of Shape, but sometimes when we look too
close at something, we don't see anymore what is obvious to other
So based on your suggestion, i am executing this :
import nuke.splinewarp as sw
warpNode = nuke.createNode('SplineWarp3')
warpCurve = warpNode['curves']
warpRoot = warpCurve.rootLayer
newshape = sw.Stroke(warpCurve, type="bspline")
newpoint = sw.AnimControlPoint(500,500)
newshape.append(newpoint)
warpRoot.append(newshape)
But now i have this error message :
File "<string>", line 5, in <module>
TypeError: can't add a Stroke object to a non-Roto knob
Were you running this code on a RotoPaint node or a SplineWarp node ?
Thanks for sharing
________________________________
From: Magno Borgo <li...@borgo.tv>
To: tremblay alexandre <alexandretrembla...@yahoo.ca>; Nuke Python discussion
<nuke-python@support.thefoundry.co.uk>
Sent: Monday, January 28, 2013 12:14:27 PM
Subject: Re: [Nuke-python] Create B-Spline : code fail inside Nuke7.0v1
Hi! I have been working on something alike to adapt my v6 scripts as well (not
finished yet unfortunately)
When you iterate on the elements inside an existing splinewarp node, all shapes
(bezier, bspline, cusp bezier)
are listed as _curveknob.Stroke instead of _curveknob.Shapes inside the
splinewarp.
<_curveknob.Stroke object at 0x10d51e620> BezierCusped1
<_curveknob.Stroke object at 0x10d51e800> Stroke4
And when you insert strokes instead of shapes, the script works:
newshape = sw.Stroke(warpCurve, type="bspline")
newpoint = sw.AnimControlPoint(500,500)
newshape.append(newpoint)
warpRoot.append(newshape)
Hi
>
>
> Before Nuke7.0v1 ( with Nuke 6.3v6 ), we were using a script to generate
>B-Splines with the SplineWarp node ( same code is also working with the
>RotoPaint node ).
>Now we have upgraded to 7.0v1, the code is failing, but only with the
>SplineWarp node ( works well with the RotoPaint).
>
>
>
>This is the code :
>
>
>import _curveknob
>warpNode = nuke.createNode('SplineWarp3')
>warpCurve = warpNode['curves']
>warpRoot = warpCurve.rootLayer
>newshape = _curveknob.Shape(warpCurve, type="bspline")
>newpoint = _curveknob.ShapeControlPoint(500,500)
>newshape.append(newpoint)
>warpRoot.append(newshape)
>
>
>I get this error :
>File "<string>", line 7, in <module>
>SystemError: internal error - no curve group associated with this shape
>
>
>i have tried also to import nuke.splinewarp module instead of _curveknob, but
>not much sucess :
>
>
>
>import nuke.splinewarp as sw
>warpNode = nuke.createNode('SplineWarp3')
>warpCurve = warpNode['curves']
>warpRoot = warpCurve.rootLayer
>newshape = sw.Shape(warpCurve, type="bspline")
>newpoint = sw.ShapeControlPoint(500,500)
>newshape.append(newpoint)
>warpRoot.append(newshape)
>
>
>maybe it is related with the curveType, but I can't find my answers with the
>docs, so i wanted to know if somebody had the same problem and found a
>solution about it.
>
>
>
>
>Thankyou !
--
Magno Borgo
www.boundaryvfx.com
www.borgo.tv
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