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Using the Smart Vector Toolset

The Smart Vector toolset allows you to work on one frame in a sequence and then use motion vector information to accurately propagate work throughout the rest of the sequence. The vectors are generated in the SmartVector node and then piped into the VectorDistort node to warp the work, that way, you only need to render the motion vectors once.

Warning:  Due to VFX Platform library changes, vectors generated by the Nuke 11 SmartVector toolset do not match legacy versions. For example, vectors generated by Nuke 11.0v1 do not match those generated by Nuke 10.5v4.

Note:  All images in this chapter are courtesy of Hollywood Camera Work. See www.hollywoodcamerawork.com for more information.

Quick Start

The toolset workflow is outlined below:

1.

Connect the SmartVector node to the source sequence and render the required motion vectors to file using the .exr format. See Generating Motion Vectors.

2.

Find a suitable reference frame and add the required paint corrections or an image to the frame. See Adding Paint to the Source or Adding an Image to the Source.

3.

Connect the VectorDistort node to the SmartVector node (or a Read node referencing the .exr files rendered from the SmartVector node) and the source sequence.

4.

Premultiply the VectorDistort output and merge it over the source sequence to complete the comp. See Applying Motion Vectors to the Source.