API Reference > geometry-core > CartesianGeometry > Transform > multiplyPoint2dArray multiplyPoint2dArray Method for each point: multiply transform * point if result is given, resize to match source and replace each corresponding pi if result is not given, return a new array. multiplyPoint2dArray(source: Point2d[], result?: Point2d[]): Point2d[] Parameter Type Description source Point2d[] result Point2d[] Returns - Point2d[] Defined in geometry3d/Transform.ts Line 488 Last Updated: 12 June, 2024