| Item | SPF | XML | Change | Description |
|---|---|---|---|---|
| SHARED ELEMENT DATA SCHEMAS | ||||
| IFCSHAREDINFRASTRUCTUREELEMENTS | ||||
| IfcSpatialReferenceSelect | ||||
| IfcGroup | ADDED | |||
| IfcSystem | DELETED | |||
| RESOURCE DEFINITION DATA SCHEMAS | ||||
| IFCGEOMETRICCONSTRAINTRESOURCE | ||||
| IfcAlignmentHorizontalSegmentTypeEnum | ||||
| CUBICPARABOLA | ADDED | |||
| IFCGEOMETRYRESOURCE | ||||
| IfcCurveSegment | ||||
| Placement | X | MODIFIED | Name changed from StartPlacement to Placement. | |
| SegmentStart | X | MODIFIED | Name changed from SegmentLength to SegmentStart. | |
| SegmentLength | X | X | MODIFIED | Name changed from ParentCurve to SegmentLength. Type changed from IfcCurve to IfcCurveMeasureSelect. |
| ParentCurve | ADDED | |||