| Name | ID | Description | Type |
|---|---|---|---|
| Directrix | D | IfcCurve (typically IfcAlignmentCurve) The curve used to define the sweeping operation. | Geometry |
| CrossSections | S | IfcProfileDef List of cross sections in sequential order along the Directrix. | Geometry |
| CrossSectionPositions | P | IfcAxis2PlacementLinear Position coordinate systems in sequentially increasing order paired with CrossSections, indicating the position of the corresponding section along the Directrix. | Generic Data |
| Name | ID | Description | Type |
|---|---|---|---|
| IfcSectionedSolidHorizontal | S | IfcSectionedSolidHorizontal | Geometry |
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