Hiya, Transform nodes in Nuke that concatenate include:
• Transform • TransformMasked • CameraShake • Reformat • CornerPin • Tracker • Stabilize • Reconcile3D • Card3D • Transform3D (hidden under Other / T) • MotionBlur2D (will receive a concatenated Transform, but doesn't pass it on) However some of the Transform nodes do not concatenate so make sure they aren’t interspersed with those nodes that do. The non-concatenating Transform nodes are: • Mirror • Position • TVIscale • GridWarp • SplineWarp • Crop • PlanarTracker (though the PlanarTracker Corner Pin exports will concatenate) Concatenation also affects the filtering hit you get when Transforming an image. The way Nuke handles this with multiple concatenated Transforms is to only apply one filter hit based on the settings of the final Transform node. The other Transform nodes’ filters are ignored. Although the Nuke documents currently state that Colour nodes concatenate (page 93, Nuke 6.3v6) they in fact don't. This is because, as already said above, Nuke is 32bit float (integer: 4,294,967,296 colours per channel = 80 octillion colours (80x10²⁸)) and doesn’t need too. :) Hope this helps, Matt ------------------------ Sphere VFX Ltd 3D . VFX . Training www.spherevfx.com
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