Defines the model of aberration to use.
| Member | Value | Description | 
|---|---|---|
| eCrdnVolumeAberrationUnknown | -1 | Aberration type unknown. | 
| eCrdnVolumeAberrationTotal | 0 | Aberration type total. | 
| eCrdnVolumeAberrationAnnual | 1 | SAberration type annual. | 
| eCrdnVolumeAberrationNone | 2 | Aberration type none. | 





