- d : Ray
- degenerated : SurfaceGeometry
- dndv : SurfaceGeometry
- dpdv : SurfaceGeometry
- geom : Intersection
- gn : SurfaceGeometry
- o : Ray
- p : SurfaceGeometry
- primitive : Intersection
- sn : SurfaceGeometry
- ToLocal : SurfaceGeometry
- ToWorld : SurfaceGeometry
- uv : SurfaceGeometry