API Reference > geometry-core > CartesianGeometry > AngleSweep > angleToPositivePeriodicFraction angleToPositivePeriodicFraction Method map an angle to a fractional coordinate which is: the start angle is at fraction 0 the end angle is at fraction 1 interior angles are between 0 and 1 all exterior angles are at fractions greater than 1 the periodic jump is at full wraparound to the start angle angleToPositivePeriodicFraction(theta: Angle): number Parameter Type Description theta Angle Returns - number Defined in core/geometry/src/geometry3d/AngleSweep.ts Line 177 Last Updated: 13 June, 2024