psets's Introduction

PSets - Property Set Extension of the IFC schema

Just for testing, Do not use. This is an repo, where I test, how the PSets could be presentend and maintainted with Git/GitHub. Nothing official.

Schema Specifications

Official releases of the PSets are listed here. PSets releases add semantics to the IFC schema.

Linked released indicate those that are officially released and actively supported.

Release	Date	Identifier	Documentation	Release Notes	Summary
4.0.0.5	2013	IFC4 IFC 4.0	ISO 16739:2013		Platform improvements with NURBS geometry.
2.3.0.1	2007	IFC2X3_FINAL	IFC 2x3 TC1	Release Notes	Documentation expansion and fixes.
2.3.0.0	2006	IFC2X3_FINAL	IFC 2x3		Extensions for presentation styling.

Version Notation

IFC versions are identified using the sematic versioning notation "Major.Minor.Addendum.Corrigendum".

Major versions consist of scope expansions or deletions and may have changes that break compatibility.
Minor versions consist of feature extensions, where compatibility is guaranteed for the "core" schema, but not for other definitions.
Addendums consist of improvements to existing features, where the schema may change but upward compatibility is guaranteed.
Corrigendums consist of improvements to documentation, where the schema does not change though deprecation is possible.

Which version do I use?

The latest version, IFC 4.1 is recommended for all current developments, which is fully backward compatible with IFC 4.0. Core definitions within IFC 4.1 and 4.0 are backward compatible with IFC 2.3.

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