sammykumar-ComfyUI-SwissArmyKnife/web/docs/ParseStringToBBox.md

Summary:
Parses a JSON-style bounding box string into integer coordinates and returns width and height. The node expects the exact nested-list format: [[x1, y1, x2, y2]].

Inputs

• bboxString: STRING — A JSON string containing one inner list with four numeric values. Example: [[170.64, 71.72, 300.56, 238.28]].

Outputs

• x1: INT — Rounded x1 coordinate
• y1: INT — Rounded y1 coordinate
• x2: INT — Rounded x2 coordinate
• y2: INT — Rounded y2 coordinate
• width: INT — Rounded width computed as x2 - x1
• height: INT — Rounded height computed as y2 - y1

Usage Tips

• The node strictly parses JSON. Provide a properly formatted JSON string (including the outer and inner brackets) — other formats are not accepted.
• If parsing fails or the structure is incorrect, the node raises a ValueError (this will show as an error when executing the node).
• Coordinates are parsed as floats internally then rounded to the nearest integer before being returned.
• Use the returned width and height if you need integer sizes (e.g., for cropping or annotations).

Example Input string:

[[170.6425323486328, 71.72273254394531, 300.5597229003906, 238.28350830078125]]

Outputs:

• x1: 171
• y1: 72
• x2: 301
• y2: 238
• width: 130
• height: 166

See developer documentation for implementation notes and examples: ../../dev-docs/nodes/parse-string-to-bbox/PARSE_STRING_TO_BBOX.md