interpolateIndexIndex Method

Interpolate the points at the given indices.

interpolateIndexIndex(index0: number, fraction: number, index1: number, result?: Point3d): undefined | Point3d

@returns undefined if an index is out of bounds.

Parameter Type Description
index0 number index of point p0 within the array.
fraction number fraction f such that returned point is p0 + f * (p1 - p0).
index1 number index of point p1 within the array.
result Point3d optional caller-allocated result to fill and return.

Returns - undefined | Point3d

undefined if an index is out of bounds.

Defined in

Last Updated: 29 October, 2025