IfcBoxAlignment

BACnet MVD

#### IfcBoxAlignment

Natural language names

| Ausrichtung (Text-)Feld
| Box Alignment
| Alignement de zone de texte

##### Semantic definitions at the type

Type definition

The box alignment specifies the alignment of the text box relative to its position. The following string values shall be used:

- top-left
- top-middle
- top-right
- middle-left
- center
- middle-right
- bottom-left
- bottom-middle
- bottom-right

> NOTE The top-left is the default value.

Figure 347 illustrates alignment values.

Figure 347 — Box alignment values

Figure 348 illustrates use of alignment values together with the placement and planar extent.

Figure 348 — Box alignment examples

> HISTORY New type in IFC2x2 Addendum2.

> IFC2x3 CHANGE The IfcBoxAlignment has been added.

Formal Propositions

Rule | Description
--- | ---
WR1 |

##### Formal representations

XML Specification
`<xs:simpleType name="IfcBoxAlignment">
<xs:restriction base="ifc:IfcLabel"/>
</xs:simpleType>
`
EXPRESS Specification
`TYPE IfcBoxAlignment = IfcLabel;
WHERE
WR1 : SELF IN ['top-left', 'top-middle', 'top-right', 'middle-left', 'center', 'middle-right', 'bottom-left', 'bottom-middle', 'bottom-right']
END_TYPE;

EXPRESS-G diagram

`

References: IfcTextLiteralWithExtent

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