API Reference > geometry-core > Curve > Arc3d > set set Method Redefine the arc with (clones of) given data. set(center: Point3d, matrix: Matrix3d, sweep: undefined | AngleSweep): void Parameter Type Description center Point3d arc center matrix Matrix3d matrix with columns vector0, vector 90, and their unit cross product sweep undefined | AngleSweep angle sweep Returns - void Defined in curve/Arc3d.ts Line 148 Last Updated: 12 June, 2024