PrimitiveBoundingBox - ComfyUI Built-in Node Documentation

The PrimitiveBoundingBox node creates a simple rectangular area defined by its position and size.

The PrimitiveBoundingBox node creates a simple rectangular area defined by its position and size. It takes X and Y coordinates for the top-left corner, along with width and height values, and outputs a bounding box data structure that can be used by other nodes in a workflow.

Inputs

Parameter	Description	Data Type	Required	Range
x	The X-coordinate for the top-left corner of the bounding box (default: 0).	INT	Yes	0 to 16384
y	The Y-coordinate for the top-left corner of the bounding box (default: 0).	INT	Yes	0 to 16384
width	The width of the bounding box (default: 512).	INT	Yes	1 to 16384
height	The height of the bounding box (default: 512).	INT	Yes	1 to 16384

Note: All maximum values follow ComfyUI’s MAX_RESOLUTION constant, which defines the largest image dimension the node accepts.

Outputs

Output Name	Description	Data Type
bounding_box	A data structure containing the x, y, width, and height properties of the defined rectangle.	BOUNDING_BOX

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