| Nom | Type |
|---|---|
| ForLayerSet | IfcMaterialLayerSet |
| LayerSetDirection |
IfcLayerSetDirectionEnum : Layer Set Direction Enum
AXIS1, AXIS2, AXIS3 |
| DirectionSense |
IfcDirectionSenseEnum : Enumération des sens de direction
POSITIVE, NEGATIVE |
| OffsetFromReferenceLine | IfcLengthMeasure |