API Reference > geometry-core > CartesianGeometry > Point2dArrayCarrier > getVector2dAtCheckedVectorIndex getVector2dAtCheckedVectorIndex Method Access by index, returning strongly typed Vector2d getVector2dAtCheckedVectorIndex(index: number, result?: Vector2d): undefined | Vector2d Parameter Type Description index number index of point within the array result Vector2d caller-allocated destination Returns - undefined | Vector2d undefined if the index is out of bounds Defined in geometry3d/Point2dArrayCarrier.ts Line 52 Last Updated: 11 June, 2024