WanMoveTracksFromCoords - ComfyUI Built-in Node Documentation

The WanMoveTracksFromCoords node creates motion tracks from a JSON-formatted string of coordinates. It converts the coordinate data into a tensor format that can be used by other video processing nodes, and can optionally apply a mask to control the visibility of tracks over time.

Inputs

Parameter	Description	Data Type	Required	Range
`track_coords`	A JSON-formatted string containing the coordinate data for the tracks. The default value is an empty list (`"[]"`).	STRING	No	N/A
`track_mask`	An optional mask. When provided, the node uses it to determine the visibility of each track per frame.	MASK	No	N/A

Note: The track_coords input expects a specific JSON structure. It should be a list of tracks, where each track is a list of frames, and each frame is an object with x and y coordinates. The number of frames must be consistent across all tracks.

Outputs

Output Name	Description	Data Type
`tracks`	The generated track data, containing the path coordinates and visibility information for each track.	TRACKS
`track_length`	The total number of frames in the generated tracks.	INT

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