5.3.2.4 IfcSequenceEnum
5.3.2.4.1 Semantic definition
IfcSequenceEnum is an enumeration that defines the different ways in which a time lag is applied to a sequence between two processes.
5.3.2.4.2 Type values
| Type | Description |
|---|---|
FINISH_FINISH
|
The predecessor task must finish before the successor task may finish. |
FINISH_START
|
The predecessor task must finish before the successor task may start. |
START_FINISH
|
The predecessor task must start before the successor task may finish. |
START_START
|
The predecessor task must start before the successor task may start. |
USERDEFINED
|
User defined. |
NOTDEFINED
|
Undefined. |
5.3.2.4.3 Formal representation
TYPE IfcSequenceEnum = ENUMERATION OF
(FINISH_FINISH
,FINISH_START
,START_FINISH
,START_START
,USERDEFINED
,NOTDEFINED);
END_TYPE;