IFC 4.4.0.0 build 20261005 (IFC4X4_DEV_20260525) ⚠ buildingSMART Working Draft. All content is under development.

5.1.7.1 IfcSingleProjectInstance

5.1.7.1.1 Semantic definition

The global rule verifies that only a single (as maximum) instance of IfcProject exists.

5.1.7.1.2 Formal representation

RULE IfcSingleProjectInstance FOR
(IfcProject);
WHERE
WR1 : SIZEOF(IfcProject) <= 1;
END_RULE;

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2 contributor(s):
Last change: Improve definition split (#876) * bring back headers headers were previously removed by mistake, now bringing them back * add new lines and rename the tag add the word 'short' in it * unify newlines make exactly one newline before and two after the tag * resolving typos Because bringing back headers required to go back in time to previous version, I'm now re-resolving the issues: #861, #860, #856 by ArturTomczak on 2024-07-16T16:07:28+02:00

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