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(): undefined | Transform Returns - undefined | Transform Defined in geometry3d/Ray3d.ts Line 185 Last Updated: 11 June, 2024