IfcSimpleValue
Change log
| Item | SPF | XML | Change | Description |
|---|---|---|---|---|
| IFC2x3 to IFC4 | ||||
| IfcSimpleValue | ||||
| IfcDateTime | ADDED | |||
| IfcDate | ADDED | |||
| IfcTime | ADDED | |||
| IfcDuration | ADDED | |||
| IfcTimeStamp | ADDED | |||
| IFC4 Addendum 1 | ||||
| IfcSimpleValue | ||||
| IfcPositiveInteger | ADDED | |||
Semantic definitions at the type
Type definition
IfcSimpleValue is a select type for selecting between simple value types.
SELECT
- IfcInteger: Defined type of simple type INTEGER.
- IfcReal: Defined type of simple type REAL.
- IfcBoolean: Defined type of simple type BOOLEAN.
- IfcLogical: Defined type of simple type LOGICAL.
- IfcIdentifier: Defined type of simple type STRING for identification purposes.
- IfcLabel: Defined type of simple type STRING for naming purposes.
- IfcText: Defined type of simple type STRING for descriptive purposes.
- IfcDateTime: Defined type of simple type STRING to represent a date and time.
- IfcDate: Defined type of simple type STRING to represent a date.
- IfcTime: Defined type of simple type STRING to represent a time.
- IfcDuration: Defined type of simple type STRING to represent a duration.
- IfcTimeStamp: Defined type of simple type INTEGER to represent a point in time by seconds elapsed since 1970.
HISTORY New type in IFC2x.
IFC4 CHANGE Items IfcDateTime, IfcDate, IfcTime, IfcDuration, IfcTimeStamp added.
Enumeration definition
| Constant | Description |
|---|---|
| IfcInteger | |
| IfcReal | |
| IfcBoolean | |
| IfcIdentifier | |
| IfcText | |
| IfcLabel | |
| IfcLogical | |
| IfcDateTime | |
| IfcDate | |
| IfcTime | |
| IfcDuration | |
| IfcTimeStamp | |
| IfcPositiveInteger |
EXPRESS Specification
TYPE IfcSimpleValue = SELECT ( IfcInteger, IfcReal, IfcBoolean, IfcIdentifier, IfcText, IfcLabel, IfcLogical, IfcDateTime, IfcDate, IfcTime, IfcDuration, IfcTimeStamp, IfcPositiveInteger); END_TYPE;
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标签：ADDED,STRING,simple,Defined,IfcSimpleValue,type From： https://www.cnblogs.com/herd/p/18094710