API Reference > geometry-core > Polyface > IndexedPolyfaceVisitor > tryGetNormalizedParameter tryGetNormalizedParameter Method Attempts to extract the normalized parameter (0,1) for the given vertex index on the current facet. Returns the normalized parameter as a point. Returns undefined on failure. tryGetNormalizedParameter(index: number, result?: Point2d): Point2d | undefined Parameter Type Description index number result Point2d Returns - Point2d | undefined Defined in core/geometry/src/polyface/Polyface.ts Line 672 Last Updated: 13 June, 2024