API Reference > geometry-core > CartesianGeometry > Ray3d > toRigidZFrame toRigidZFrame Method Return a transform for rigid axes at ray origin with z in ray direction. If the direction vector is zero, axes default to identity (from createHeadsUpTriad) toRigidZFrame(): Transform | undefined Returns - Transform | undefined Defined in core/geometry/src/geometry3d/Ray3d.ts Line 184 Last Updated: 13 June, 2024