ROI Around Point

DataTarget independentgeometry.region-around-point

Create a centered ROI in the center point’s unit. Ratio regions are clamped inside the frame; px regions preserve pixel dimensions.

Example use

Create a small region around a detected center to narrow the next recognition search.

Node preview

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Data inputs 3

CentercenterPoint: The center point; region dimensions use its coordinate unit.
RequiredDefault: None
Value format examples
{"unit":"ratio","x":0.5,"y":0.5}
{"unit":"px","x":640,"y":360}
WidthwidthNumber: The region or window width in this node’s coordinate unit.
Default availableDefault: 0.2
HeightheightNumber: The region or window height in this node’s coordinate unit.
Default availableDefault: 0.2

Data outputs 1

ResultresultRegion: The result of this data operation, with its type determined by the matching inputs.
Value format examples
{"height":0.5,"unit":"ratio","width":0.5,"x":0.25,"y":0.25}

Version and node identity

Version 1.0.0

sha256:3d256d3b35af4a93b972a3720ef1bef1128180caf72bfa892e3468f44c1151e3