Sequence Enum |
Item | SPF | XML | Change | Description | IFC2x3 to IFC4 4.0.0.0 |
---|---|---|---|---|
IfcSequenceEnum | MOVED | Schema changed from IFCKERNEL to IFCPROCESSEXTENSION. |
IfcSequenceEnum is an enumeration that defines the different ways in which a time lag is applied to a sequence between two processes.
HISTORY New entity in IFC1.0
Constant | Description |
---|---|
START_START | The predecessor task must start before the successor task may start. |
START_FINISH | The predecessor task must start before the successor task may finish. |
FINISH_START | The predecessor task must finish before the successor task may start. |
FINISH_FINISH | The predecessor task must finish before the successor task may finish. |
USERDEFINED | |
NOTDEFINED |
<xs:simpleType name="IfcSequenceEnum">
<xs:restriction base="xs:string">
<xs:enumeration value="start_start"/>
<xs:enumeration value="start_finish"/>
<xs:enumeration value="finish_start"/>
<xs:enumeration value="finish_finish"/>
<xs:enumeration value="userdefined"/>
<xs:enumeration value="notdefined"/>
</xs:restriction>
</xs:simpleType>
TYPE IfcSequenceEnum = ENUMERATION OF (
START_START,
START_FINISH,
FINISH_START,
FINISH_FINISH,
USERDEFINED,
NOTDEFINED);
END_TYPE;
References: IfcRelSequence