API Reference > geometry-core > ArraysAndInterfaces > GrowableXYArray > constructor constructor Method Construct a new GrowablePoint2d array. GrowableXYArray(numPoints: number = 8): GrowableXYArray Parameter Type Description numPoints number initial capacity. Returns - GrowableXYArray Defined in geometry3d/GrowableXYArray.ts Line 41 Last Updated: 11 June, 2024