API Reference > geometry-core > ArraysAndInterfaces > GrowableXYArray > pushInterpolatedFromGrowableXYArray pushInterpolatedFromGrowableXYArray Method Compute a point at fractional coordinate between points i and j of source push onto this array. pushInterpolatedFromGrowableXYArray(source: GrowableXYArray, i: number, fraction: number, j: number): void Parameter Type Description source GrowableXYArray i number fraction number j number Returns - void Defined in core/geometry/src/geometry3d/GrowableXYArray.ts Line 303 Last Updated: 15 June, 2021