API Reference > geometry-core > CartesianGeometry > BooleanClipFactory > createCaptureUnion createCaptureUnion MethodStatic Create a boolean clipper which performs a union over its children if keepInside === true, accept the "inside" of the union result if keepInside === false, accept the "outside" of the union result createCaptureUnion(clippers: Clipper | Clipper[], keepInside: boolean): Clipper Parameter Type Description clippers Clipper | Clipper[] clip objects to capture keepInside boolean flag to select results inside or outside the clippers. Returns - Clipper Defined in clipping/BooleanClipFactory.ts Line 36 Last Updated: 11 June, 2024