API Reference > geometry-core > Polyface > PolyfaceQuery > sweepLinestringToFacetsXYReturnLines sweepLinestringToFacetsXYReturnLines MethodStatic Find segments (within the linestring) which project to facets. Return collected line segments sweepLinestringToFacetsXYReturnLines(linestringPoints: GrowableXYZArray, polyface: Polyface): LineSegment3d[] Parameter Type Description linestringPoints GrowableXYZArray polyface Polyface Returns - LineSegment3d[] Defined in polyface/PolyfaceQuery.ts Line 580 Last Updated: 11 June, 2024