| Name | Value | Description |
|---|---|---|
| RF_REFGEOM_UNDEFINED | 0 | Undefined reference geometry type. |
| RF_REFGEOM_POINT | 1 | Reference point type. |
| RF_REFGEOM_VECTOR | 2 | Reference vector type. |
| RF_REFGEOM_PLANE | 3 | Reference plane type. |
| RF_REFGEOM_CIRCLE | 4 | Reference circle type. |
| RF_REFGEOM_SPHERE | 5 | Reference sphere type. |
| RF_REFGEOM_COORDINATE | 6 | Reference coordinate type. |
| RF_REFGEOM_CYLINDER | 7 | Reference cylinder type. |
| RF_REFGEOM_CONE | 8 | Reference cone type. |
| RF_REFGEOM_BOX | 9 | Reference box type. |
| RF_REFGEOM_TORUS | 10 | Reference torus type. |