API Reference > geometry-core > Curve > LineString3d > fractionToPoint fractionToPoint Method Evaluate a point a fractional position along this linestring. See LineString3d class comments for description of how fraction relates to the linestring points. fractionToPoint(fraction: number, result?: Point3d): Point3d Parameter Type Description fraction number fractional position result Point3d optional result Returns - Point3d Defined in core/geometry/src/curve/LineString3d.ts Line 507 Last Updated: 13 June, 2024