QTO_TYPEDRIVENOVERRIDE / IfcGeotechnicalStratum
| Item | SPF | XML | Change | Description | IFC4x2 to IFC4x3_RC1 | 
|---|---|---|---|---|
| Qto_VolumetricStratumBaseQuantities | ADDED | 
| Name | Type | Description | 
|---|---|---|
| Area | Q_AREA | Actual area of upper surface of shape. | 
| Mass | Q_WEIGHT | Mass represented, if lower surface of stratum known. | 
| PlanArea | Q_AREA | Projected plan area of upper surface of model. | 
| Volume | Q_VOLUME | Volume represented, if lower surface of stratum known. |