API Reference > geometry-core > Curve > Arc3d > setVector0Vector90 setVector0Vector90 Method Replace the arc's 0 and 90 degree vectors. setVector0Vector90(vector0: Vector3d, vector90: Vector3d): void Parameter Type Description vector0 Vector3d vector from center to ellipse point at 0 degrees in parameter space vector90 Vector3d vector from center to ellipse point at 90 degrees in parameter space Returns - void Defined in curve/Arc3d.ts Line 739 Last Updated: 12 June, 2024