IfcDirectionSenseEnum

BACnet MVD

#### IfcDirectionSenseEnum

Natural language names

| Direction Sense Enum
| Enumération des sens de direction

##### Semantic definitions at the type

Type definition

IfcDirectionSenseEnum is an enumeration denoting whether sense of direction is positive or negative along the given axis.

> HISTORY New Type in IFC2x.

Enumeration definition

Constant | Description
--- | ---
POSITIVE | Direction defined to be positive.
NEGATIVE | Direction defined to be negative.

##### Formal representations

XML Specification
`<xs:simpleType name="IfcDirectionSenseEnum">
<xs:restriction base="xs:string">
<xs:enumeration value="positive"/>
<xs:enumeration value="negative"/>
</xs:restriction>
</xs:simpleType>
`
EXPRESS Specification
`TYPE IfcDirectionSenseEnum = ENUMERATION OF (
POSITIVE,
NEGATIVE);
END_TYPE;

EXPRESS-G diagram

`

References: IfcMaterialLayerSetUsage

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