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  • Cover
    2013 This document is owned and copyrighted by buildingSMART International Limited By using the IFC4 specification you agree to the following copyright notice Browsing the IFC4 specification with full functionality

    Original URL path: http://www.buildingsmart-tech.org/ifc/IFC4/final/html/cover.htm (2016-02-11)
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  • RC3 release summary — Welcome to buildingSMART-Tech.org
    IFC entity type property set or quantity set can be directly accessed for example http buildingsmart tech org ifc IFC2x4 rc3 html link IfcBeamStandardCase htm http buildingsmart tech org ifc IFC2x4 rc3 html link IfcBeamTypeEnum htm http buildingsmart tech org ifc IFC2x4 rc3 html link Pset BeamCommon htm http buildingsmart tech org ifc IFC2x4 rc3 html link QTO BeamBaseQuantities htm Another new enhancement is the multi lingual publication of property sets and quantity sets where English is now regarded as a language together with other languages Therefore it is separate from the property name or keyword See Pset SpaceCommon and QTO SpaceBaseQuantities for an example Further contributions to the translation are welcome Starting with IFC2x4 RC3 the definition of main concepts see Model View Definition overview is introduced as part of the IFC specification Chapter 4 of the specification defines the concept templates whereas the use definitions at the individual IFC entities are gradually moved into concept definitions In RC3 this has been done for the concepts Property set assignment and Quantity set assignment It is anticipated that an initial mvdXML baseline for IFC2x4 will be generated automatically from the IFC2x4 specification The main addition to the IFC4 schema is the support for tessellated geometry otherwise a few correction have been made See the IFC2x3 to IFC2x4 RC3 change log for these changes highlighted in color A What s new in IFC2x4 RC3 section is added to the specification for a quick overview of major changes the IFC2x3 TC1 to IFC2x4 RC3 change log should be consulted for more details Please also look into the IFC2x3 TC1 to IFC2x4 RC3 list of deprecated elements For a basic introduction to IFC2x4 see the unveiling of IFC2x4 summary presentation Purpose of the Release Candidate The main task that had been resolved in Release Candidate 3 is the enhancement of the documentation the improvement of the new documentation format Beside the reference sections of the individual descriptions of each type and entity several sections on overall scope terms and information content are added RC3 focused also on the consistency and stability improvement for IFC2x4 The list of deprecated entities had been discussed with all interested parties and a decision had been made to remove some obsolete definitions An intense verification work had been carried out to ensure that IFC2x4 RC3 is upward compatible to the IFC2x3 coordination view sub schema The purpose of publishing the IFC2x4 RC3 is to further encourage the international buildingSMART community to provide feedback and issue reports in order to increase quality and implementability of the next IFC release The focus of the feedback should be the improvement of documentation adding new examples and better overall guidance of the readers Any comments about the ease of use and examples to demonstrate the use of IFC concepts that could be incorporated are highly appreciated No schema changes are acceptable for the upcoming IFC2x4 final release or if necessary the IFC2x4 RC4 Invitation for review We invite all interested parties to

    Original URL path: http://www.buildingsmart-tech.org/specifications/ifc-releases/ifc2x4-release/rc3-release/rc3-release-summary (2016-02-11)
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  • RC2 release summary — Welcome to buildingSMART-Tech.org
    major changes the IFC2x3 TC1 to IFC2x4 RC2 change log should be consulted for more details Please also look into the IFC2x3 TC1 to IFC2x4 RC2 list of deprecated elements For a basic introduction to IFC2x4 see the unveiling of IFC2x4 summary presentation Purpose of the Release Candidate The main task that had been resolved in Release Candidate 2 is the switch to a new documentation format Beside the reference sections of the individual descriptions of each type and entity several sections on overall scope terms and information content are added Another exciting news is the incorporation of examples a much needed addition to help readers It should be noted that the example section in RC2 is only a beginning and that it will grow with the next publications RC2 focused also on the consistency and stability improvement for IFC2x4 The list of deprecated entities had been discussed with all interested parties and a decision had been made to remove some obsolete definitions The purpose of publishing the IFC2x4 RC2 is to further encourage the international buildingSMART community to provide feedback and issue reports in order to increase quality and implementability of the next IFC release The focus of the feedback should be the improvement of documentation adding new examples and better overall guidance of the readers Any comments about the ease of use and examples to demonstrate the use of IFC concepts that could be incorporated are highly appreciated No major schema changes are acceptable for the upcoming Release Candidate 3 only small schema bug fixes Invitation for review We invite all interested parties to review and comment on the IFC2x4 RC2 See how to use the issue database on details for registration and usage of the issue database if you are registered already go directly to the IFC

    Original URL path: http://www.buildingsmart-tech.org/specifications/ifc-releases/ifc2x4-release/rc2-release/rc2-release-summary (2016-02-11)
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  • RC1 release summary — Welcome to buildingSMART-Tech.org
    in catalog or object taxonomy listing of all all IFC objects with applicable property sets multi lingual property sets currently English German French and Japanese more languages should be added soon Purpose of the Release Candidate The Release Candidate 1 focused entirely on the consistency and stability improvement for IFC2x4 The list of deprecated entities had been discussed with all interested parties and a decision had been made to remove some obsolete definitions A major effort had been undertaken to make basic functionality of the IFC data schema consistent throughout the schema The IFC object occurrence and type tree has been completed and harmonized material assignment unified and external classification made more stringent Another main feature of IFC2x4 is the provision of multi lingual property definitions to make the localization of IFC based content easier The IFC2x4 RC1 now contains French German and Japanese definitions for IFC property sets available as XML configuration files to be processed automatically More translations including e g Korean are under way The purpose of publishing the IFC2x4 RC1 is to further encourage the international buildingSMART community to provide feedback and issue reports in order to increase quality and implementability of the next IFC release The focus of the feedback should be to fix still existing bugs and inconsistencies between the various parts of the IFC schema and to improve documentation and to drive out ambiguity in definitions However no major schema changes are acceptable for the upcoming release candidates Any comments about the ease of use and examples to demonstrate the use of IFC concepts that could be incorporated are highly appreciated Invitation for review We invite all interested parties to review and comment on the IFC2x4 RC1 See how to use the issue database on details for registration and usage of the issue

    Original URL path: http://www.buildingsmart-tech.org/specifications/ifc-releases/ifc2x4-release/rc1-release/rc1-release-summary (2016-02-11)
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  • beta3 release summary — Welcome to buildingSMART-Tech.org
    since the release of the IFC2x Edition 3 specification and to improve the documentation generally Some elements that have been deprecated in earlier releases have been removed or adjusted A What s new in IFC2x4 beta3 section is added to the specification for a quick overview of major changes the IFC2x3 TC1 to IFC2x4 beta3 change log should be consulted for more details Please also look into the IFC2x3 TC1 to IFC2x4 list of deprecated elements Purpose of the beta3 release The beta3 release is the functionality and major schema change freeze for IFC2x4 The purpose of publishing the IFC2x4 beta3 release is to further encourage the international buildingSMART community to provide feedback and issue reports in order to increase quality and implementability of the next IFC release The focus of the feedback should be to fix still existing bugs and inconsistencies between the various parts of the IFC schema and to improve documentation and to drive out ambiguity in definitions However no major schema changes are acceptable for the upcoming release candidates Any comments about the ease of use and examples to demonstrate the use of IFC concepts that could be incorporated are highly appreciated Invitation for review We invite all interested parties to review and comment on the IFC2x4 beta3 release See how to use the issue database on details for registration and usage of the issue database if you are registered already go directly to the IFC Review Issue Database The IFC2x4 beta3 review process has started on 30 Jan 2010 and is expected to close on 12 March 2010 Specifications IFC Overview IFC Releases IFC4 Add1 Release IFC4 Release IFC2x3 TC1 Release IFC2x3 Release IFC2x2 Release IFC2x Release IFC4 Pre releases RC4 release RC3 release RC2 release RC1 release beta3 release beta2 release beta1 release alpha

    Original URL path: http://www.buildingsmart-tech.org/specifications/ifc-releases/ifc2x4-release/beta3-release/beta3-release-summary (2016-02-11)
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  • beta2 release summary — Welcome to buildingSMART-Tech.org
    the IFC2x3 TC1 to IFC2x4 beta2 change log should be consulted for more details Purpose of the beta 2 release The beta 2 release is the functionality and major schema change freeze for IFC2x4 The purpose of publishing the IFC2x4 beta 2 release is to further encourage the international buildingSMART community to provide feedback and issue reports in order to increase quality and implementability of the next IFC release The focus of the feedback should be to fix still existing bugs and inconsistencies between the various parts of the IFC schema and to improve documentation and to drive out ambiguity in definitions However no major schema changes are acceptable for the upcoming beta3 and release candidates Any comments about the ease of use and examples to demonstrate the use of IFC concepts that could be incorporated are highly appreciated Invitation for review We invite all interested parties to review and comment on the IFC2x4 beta 2 release See how to use the issue database on details for registration and usage of the issue database if you are registered already go directly to the IFC Review Issue Database The IFC2x4 beta 2 review process has started on 28 Sep 2009 and

    Original URL path: http://www.buildingsmart-tech.org/specifications/ifc-releases/ifc2x4-release/beta2-release/beta2-release-summary (2016-02-11)
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  • IFC2x4 beta1 summary — Welcome to buildingSMART-Tech.org
    the specification to a quick overview of major changes the IFC2x3 TC1 to IFC2x4 beta 1 change log should be consulted for more details Purpose of the beta 1 release The beta 1 release is the functionality freeze for IFC2x4 The purpose of publishing the IFC2x4 beta 1 release is to further encourage the international buildingSMART community to provide feedback and issue reports in order to increase quality and implementability of the next IFC release The focus of the feedback should be to fix still existing bugs and inconsistencies between the various parts of the IFC schema and to improve documentation and to drive out ambiguity in definitions Any comments about the ease of use and examples to demonstrate the use of IFC concepts that could be incorporated are highly appreciated Invitation for review We invite all interested parties to review and comment on the IFC2x4 beta 1 release See how to use the issue database on details for registration and usage of the issue database if you are registered already go directly to the IFC Review Issue Database The IFC2x4 beta 1 review process has started on 11 May 2009 and is expected to close on 14 August 2009

    Original URL path: http://www.buildingsmart-tech.org/specifications/ifc-releases/ifc2x4-release/beta1-release/ifc2x4-beta1-summary (2016-02-11)
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  • IFC2x4 Alpha Summary — Welcome to buildingSMART-Tech.org
    3 specification and to improve the documentation generally Some elements that have been deprecated in earlier releases have been removed or adjusted A What s new section is added to the specification to a quick overview of major changes the IFC2x3 TC1 to IFC2x4 alpha change log should be consulted for more details Purpose of the alpha release The main purpose of publishing the IFC2x4 alpha release is to encourage the international buildingSMART community to provide early feedback and issue reports in order to increase quality and implementability of the next IFC release Invitation for review We invite all interested parties to review and comment on the IFC2x4 alpha release See how to use the issue database on details for registration and usage of the issue database The IFC2x4 alpha review process has been open until 21 November 2008 NOTE The official review period for IFC2x4 alpha is closed Issues can however still be logged the resolution however might go into a later stage of IFC2x4 or general IFC development Specifications IFC Overview IFC Releases IFC4 Add1 Release IFC4 Release IFC2x3 TC1 Release IFC2x3 Release IFC2x2 Release IFC2x Release IFC4 Pre releases RC4 release RC3 release RC2 release RC1 release

    Original URL path: http://www.buildingsmart-tech.org/specifications/ifc-releases/ifc2x4-release/alpha-release/summary (2016-02-11)
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