API Reference > geometry-core > Polyface > PolyfaceData > gatherIndexedData gatherIndexedData Method Copy data from other to this. This is the essence of transferring coordinates spread throughout a large polyface into a visitor's single facet. "other" is the large polyface "this" is the visitor does NOT copy face data - visitors reference the FacetFaceData array for the whole polyface!! gatherIndexedData(other: PolyfaceData, index0: number, index1: number, numWrap: number): void Parameter Type Description other PolyfaceData polyface data being mined. index0 number start index in other's index arrays index1 number end index (one beyond last data accessed0 in other's index arrays numWrap number number of points to replicate as wraparound. Returns - void Defined in polyface/PolyfaceData.ts Line 210 Last Updated: 11 June, 2024