8.13.2.1 IfcBoxAlignment
8.13.2.1.1 Semantic 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
Figure 8.13.2.1.A illustrates alignment values. Figure 8.13.2.1.B illustrates use of alignment values together with the placement and planar extent.
8.13.2.1.2 Formal Propositions
| WR1 | SELF IN ['top-left', 'top-middle', 'top-right', 'middle-left', 'center', 'middle-right', 'bottom-left', 'bottom-middle', 'bottom-right'] |
8.13.2.1.3 Formal representation
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;