API Reference > geometry-core > Polyface > PolyfaceData > reverseIndices reverseIndices MethodStatic Reverse data in entire facet indexing arrays. parameterized over type T so non-number data -- e.g. boolean visibility flags -- can be reversed. reverseIndices<T>(facetStartIndex: number[], indices: T[] | undefined, preserveStart: boolean): boolean Parameter Type Description facetStartIndex number[] indices T[] | undefined preserveStart boolean Returns - boolean Defined in core/geometry/src/polyface/PolyfaceData.ts Line 402 Last Updated: 13 June, 2024