API Reference > geometry-core > Curve > CurveLocationDetail > setFR setFR Method Updated in this instance. Note that if caller omits a`, that field is updated to the call-list default (NOT left as-is) point and vector updates are by data copy (not capture of the ray members) setFR(fraction: number, ray: Ray3d, a: number = 0): void Parameter Type Description fraction number (required) fraction to install ray Ray3d (required) point and vector to install a number (optional) numeric value to install. Returns - void Defined in curve/CurveLocationDetail.ts Line 190 Last Updated: 11 June, 2024