IfcBoxAlignment

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 371 illustrates alignment values.

Figure 371 — Box alignment values

Figure 372 illustrates use of alignment values together with the placement and planar extent.

Figure 372 — Box alignment examples

HISTORY New type in IFC2x2 Addendum2.

IFC2x3 CHANGE The IfcBoxAlignment has been added.

Rule	Description
WR1

Formal representations

XSD Specification

 <xs:simpleType name="IfcBoxAlignment">

  <xs:restriction base="ifc:IfcLabel"/>

 </xs:simpleType>

 <xs:element name="IfcBoxAlignment-wrapper" nillable="true">

  <xs:complexType>

   <xs:simpleContent>

    <xs:extension base="ifc:IfcBoxAlignment">

     <xs:attributeGroup ref="ifc:instanceAttributes"/>

    </xs:extension>

   </xs:simpleContent>

  </xs:complexType>

 </xs:element>

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

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