IfcSimpleValue

BACnet MVD

#### IfcSimpleValue

Natural language names

| Einfacher Wert
| Simple Value
| Valeur simple

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 |
IFC4 Addendum 2
IfcSimpleValue |  |  |  |
IfcBinary |  |  | 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.

Select definition

Type | Description
--- | ---
IfcInteger |
IfcReal |
IfcBoolean |
IfcIdentifier |
IfcText |
IfcLabel |
IfcLogical |
IfcDateTime |
IfcDate |
IfcTime |
IfcDuration |
IfcTimeStamp |
IfcPositiveInteger |
IfcBinary |

##### Formal representations

XML Specification
`<xs:group name="IfcSimpleValue">
<xs:choice>
<xs:element ref="ifc:IfcBinary-wrapper"/>
<xs:element ref="ifc:IfcBoolean-wrapper"/>
<xs:element ref="ifc:IfcDate-wrapper"/>
<xs:element ref="ifc:IfcDateTime-wrapper"/>
<xs:element ref="ifc:IfcDuration-wrapper"/>
<xs:element ref="ifc:IfcIdentifier-wrapper"/>
<xs:element ref="ifc:IfcInteger-wrapper"/>
<xs:element ref="ifc:IfcLabel-wrapper"/>
<xs:element ref="ifc:IfcLogical-wrapper"/>
<xs:element ref="ifc:IfcPositiveInteger-wrapper"/>
<xs:element ref="ifc:IfcReal-wrapper"/>
<xs:element ref="ifc:IfcText-wrapper"/>
<xs:element ref="ifc:IfcTime-wrapper"/>
<xs:element ref="ifc:IfcTimeStamp-wrapper"/>
</xs:choice>
</xs:group>
`
EXPRESS Specification
`TYPE IfcSimpleValue = SELECT (
IfcInteger,
IfcReal,
IfcBoolean,
IfcIdentifier,
IfcText,
IfcLabel,
IfcLogical,
IfcDateTime,
IfcDate,
IfcTime,
IfcDuration,
IfcTimeStamp,
IfcPositiveInteger,
IfcBinary);
END_TYPE;

EXPRESS-G diagram

`

References: IfcValue

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