API Reference > geometry-core > Bspline > BSplineSurface3dH > extendRange extendRange Method extend a range to include the (optionally transformed) points of this surface extendRange(rangeToExtend: Range3d, transform?: Transform): void Parameter Type Description rangeToExtend Range3d range that is updated to include this surface range transform Transform transform to apply to the surface points Returns - void Defined in bspline/BSplineSurface.ts Line 1028 Last Updated: 12 June, 2024