API Reference > geometry-core > Numerics > Point4d > radiansToPoint4dXYZW radiansToPoint4dXYZW Method Measure the "angle" between two points, using all 4 components in the dot product that gives the cosine of the angle. radiansToPoint4dXYZW(other: Point4d): number | undefined Parameter Type Description other Point4d Returns - number | undefined Defined in core/geometry/src/geometry4d/Point4d.ts Line 545 Last Updated: 13 June, 2024