API Reference > geometry-core > Curve > Arc3d > setFromJSON setFromJSON Method Set this arc from a json object with these values: center center point vector0 vector from center to 0 degree point in parameter space (commonly but not always the major axis vector) vector90 vector from center to 90 degree point in parameter space (commonly but not always the minor axis vector) setFromJSON(json?: any): void Parameter Type Description json any Returns - void Defined in core/geometry/src/curve/Arc3d.ts Line 765 Last Updated: 13 June, 2024