API Reference > geometry-core > Curve > LineString3d > segmentIndexAndLocalFractionToGlobalFraction segmentIndexAndLocalFractionToGlobalFraction Method Convert a segment index and local fraction to a global fraction. segmentIndexAndLocalFractionToGlobalFraction(index: number, localFraction: number): number Parameter Type Description index number index of segment being evaluated localFraction number local fraction within that segment Returns - number Defined in core/geometry/src/curve/LineString3d.ts Line 577 Last Updated: 15 June, 2021