# Latest **URL:** https://forums.buildingsmart.org/latest.md?page=4 [Latest](https://forums.buildingsmart.org/latest.md) · [Categories](https://forums.buildingsmart.org/categories.md) · [Tags](https://forums.buildingsmart.org/tags.md) **Page:** 5 --- ## [Validate git repo update for v0.6.3](https://forums.buildingsmart.org/t/validate-git-repo-update-for-v0-6-3/5444)
**Author:** [@xiaolongzheng](https://forums.buildingsmart.org/u/xiaolongzheng)\ **Replies:** 5\ **Last updated:** [July 23, 2024, 2:21am UTC](https://forums.buildingsmart.org/t/validate-git-repo-update-for-v0-6-3/5444 "2024-07-23T02:21:44Z")
Will the new Validation service v0.6.3 version of change be available in the git repo? : GitHub - buildingSMART/validate: buildingSMART Validation service Thanks --- ## [Could Someone Give me Advice for Implementing IFC4.3 in Infrastructure Projects?](https://forums.buildingsmart.org/t/could-someone-give-me-advice-for-implementing-ifc4-3-in-infrastructure-projects/5532)
**Author:** [@Lanaaa](https://forums.buildingsmart.org/u/Lanaaa)\ **Replies:** 0\ **Last updated:** [July 17, 2024, 7:48am UTC](https://forums.buildingsmart.org/t/could-someone-give-me-advice-for-implementing-ifc4-3-in-infrastructure-projects/5532 "2024-07-17T07:48:51Z")
Hello there, My team and I are currently working on a large-scale infrastructure project; and we are considering the implementation of IFC4.3 to enhance our data interoperability and project efficiency. As we are new t… --- ## [why are other format of IFC not included in bSDD ?](https://forums.buildingsmart.org/t/why-are-other-format-of-ifc-not-included-in-bsdd/5528)
**Author:** [@Enrra](https://forums.buildingsmart.org/u/Enrra)\ **Replies:** 1\ **Last updated:** [July 11, 2024, 7:43am UTC](https://forums.buildingsmart.org/t/why-are-other-format-of-ifc-not-included-in-bsdd/5528 "2024-07-11T07:43:29Z")
1- I have no idea about the dates, but did bSDD ever contained IFC 4 before IFC 4.3 ? That would not make sense for me because then it would still be available (from the managing content, uri stays even when newer versi… --- ## [IfcRelDefinesByProperties usage](https://forums.buildingsmart.org/t/ifcreldefinesbyproperties-usage/5521)
**Author:** [@roberto.valentini](https://forums.buildingsmart.org/u/roberto.valentini)\ **Replies:** 2\ **Last updated:** [July 10, 2024, 10:01am UTC](https://forums.buildingsmart.org/t/ifcreldefinesbyproperties-usage/5521 "2024-07-10T10:01:50Z")
Hello, I want to have an IFC4 file where multiple PropertySets are related to an object via IfcRelDefinesByProperties. I’m able to create a valid file when I add a relation for each property set, but since the attribut… --- ## [RelatedBuildElement](https://forums.buildingsmart.org/t/relatedbuildelement/5506)
**Author:** [@AmyCimerman](https://forums.buildingsmart.org/u/AmyCimerman)\ **Replies:** 1\ **Last updated:** [July 8, 2024, 7:29am UTC](https://forums.buildingsmart.org/t/relatedbuildelement/5506 "2024-07-08T07:29:01Z")
Hello there! I am working in Revit and trying to export this later to IFC: In my model, I already created 2 categories “boundary type” (physical / virtual) and "boundary location (external / Internal). Now I have assig… --- ## [FILE\_SCHEMA IFC4X3\_ADD2 or 'IFC4X3](https://forums.buildingsmart.org/t/file-schema-ifc4x3-add2-or-ifc4x3/5485)
**Author:** [@RenzoVenuti](https://forums.buildingsmart.org/u/RenzoVenuti)\ **Replies:** 2\ **Last updated:** [July 5, 2024, 9:52am UTC](https://forums.buildingsmart.org/t/file-schema-ifc4x3-add2-or-ifc4x3/5485 "2024-07-05T09:52:36Z")
Should IFC4X3\_ADD2 OR ‘IFC4X3’ be indicated in the FILE\_SCHEMA field of the IFC file? --- ## [Bits of history: what happened to IFC 1x and 3x?](https://forums.buildingsmart.org/t/bits-of-history-what-happened-to-ifc-1x-and-3x/4373)
**Author:** [@devonsparks](https://forums.buildingsmart.org/u/devonsparks)\ **Replies:** 6\ **Last updated:** [June 29, 2024, 9:49pm UTC](https://forums.buildingsmart.org/t/bits-of-history-what-happened-to-ifc-1x-and-3x/4373 "2024-06-29T21:49:49Z")
I’ve long wondered: what happened to IFC 1x and 3x? When you look at the bSI schema specifications page, both are curiously absent. Other sources call out that IFC 1x had at least one major release - 1.5.1, in 1996. What… --- ## [IFC for relational databases - ifcSQL](https://forums.buildingsmart.org/t/ifc-for-relational-databases-ifcsql/1524)
**Author:** [@bsbock](https://forums.buildingsmart.org/u/bsbock)\ **Replies:** 31\ **Last updated:** [June 29, 2024, 1:59pm UTC](https://forums.buildingsmart.org/t/ifc-for-relational-databases-ifcsql/1524 "2024-06-29T13:59:56Z")
The idea behind storing IFC-data in a database: What could be a way to store IFC-data in a relational database? Strategy no. 1: Store every IFC-File in a binary large object field. (-) no advantage over files (-) … --- ## [Can an IFC STEP file contain entities that are not in a direct or indirect relationship with the spatial structure?](https://forums.buildingsmart.org/t/can-an-ifc-step-file-contain-entities-that-are-not-in-a-direct-or-indirect-relationship-with-the-spatial-structure/5418)
**Author:** [@marw](https://forums.buildingsmart.org/u/marw)\ **Replies:** 15\ **Last updated:** [June 29, 2024, 1:51pm UTC](https://forums.buildingsmart.org/t/can-an-ifc-step-file-contain-entities-that-are-not-in-a-direct-or-indirect-relationship-with-the-spatial-structure/5418 "2024-06-29T13:51:10Z")
A scientific article was just released, with the title: “Cypher4BIM: Releasing the Power of Graph for Building Knowledge Discovery” (I am not allowed to share the link in this forum) This article gives some examples o… --- ## [IfcColour list](https://forums.buildingsmart.org/t/ifccolour-list/2772)
**Author:** [@pilarjimenez](https://forums.buildingsmart.org/u/pilarjimenez)\ **Replies:** 5\ **Last updated:** [June 29, 2024, 9:59am UTC](https://forums.buildingsmart.org/t/ifccolour-list/2772 "2024-06-29T09:59:33Z")
Hello everyone Is there any software or tool that list all ifccolour in a group of federated IFC files: RGB numbers and RGB colour? Thank you in advance Pilar --- ## [Need Guidance on Implementing OpenBIM Standards in Large Scale Infrastructure Projects](https://forums.buildingsmart.org/t/need-guidance-on-implementing-openbim-standards-in-large-scale-infrastructure-projects/5470)
**Author:** [@tysonzachh](https://forums.buildingsmart.org/u/tysonzachh)\ **Replies:** 0\ **Last updated:** [June 26, 2024, 12:48pm UTC](https://forums.buildingsmart.org/t/need-guidance-on-implementing-openbim-standards-in-large-scale-infrastructure-projects/5470 "2024-06-26T12:48:56Z")
Hello there, I am working on a large scale infrastructure project and we are looking to adopt OpenBIM standards to improve collaboration; data exchange; and project efficiency. Our project involves multiple stakeholder… --- ## [IDS and IFCPRODUCTDEFINITIONSHAPE](https://forums.buildingsmart.org/t/ids-and-ifcproductdefinitionshape/5452)
**Author:** [@RenzoVenuti](https://forums.buildingsmart.org/u/RenzoVenuti)\ **Replies:** 4\ **Last updated:** [June 25, 2024, 3:13pm UTC](https://forums.buildingsmart.org/t/ids-and-ifcproductdefinitionshape/5452 "2024-06-25T15:13:25Z")
is it structured to contain the indication of the type of representation of the ifc object? --- ## [IFC 4x3 texture can not be displayed](https://forums.buildingsmart.org/t/ifc-4x3-texture-can-not-be-displayed/5453)
**Author:** [@longt61](https://forums.buildingsmart.org/u/longt61)\ **Replies:** 0\ **Last updated:** [June 21, 2024, 10:42am UTC](https://forums.buildingsmart.org/t/ifc-4x3-texture-can-not-be-displayed/5453 "2024-06-21T10:42:11Z")
I try to create an 4x3 IFC file with texture, even though the file passes most of the validation from Building Smart, the texture can not be displayed. The only error I got is that I have incorrect decomposition of elem… --- ## [Adding texture maps to IFC models](https://forums.buildingsmart.org/t/adding-texture-maps-to-ifc-models/5345)
**Author:** [@JoëlM](https://forums.buildingsmart.org/u/Jo%C3%ABlM)\ **Replies:** 2\ **Last updated:** [June 20, 2024, 11:37am UTC](https://forums.buildingsmart.org/t/adding-texture-maps-to-ifc-models/5345 "2024-06-20T11:37:36Z")
Hello. I’m currently an architecture student at RWTH University, and since last week I’m working on a research project about how to add texture maps like normal maps, bump maps or displacement maps to IFC models. My prof… --- ## [How to extrude a square, rectangular,... section along a polyline passing through many points?](https://forums.buildingsmart.org/t/how-to-extrude-a-square-rectangular-section-along-a-polyline-passing-through-many-points/5437)
**Author:** [@NTD](https://forums.buildingsmart.org/u/NTD)\ **Replies:** 4\ **Last updated:** [June 19, 2024, 6:53am UTC](https://forums.buildingsmart.org/t/how-to-extrude-a-square-rectangular-section-along-a-polyline-passing-through-many-points/5437 "2024-06-19T06:53:21Z")
Here is the code for swept\_curve builder = ifcopenshell.util.shape\_builder.ShapeBuilder(model) Sweep a 10mm radius disk along a polyline with a couple of straight segments and an arc. curve = builder.polyline( \[(10., … --- ## [SpaceBoundaries - change IfcRelSpaceBoundary to IfcSpaceBoundary](https://forums.buildingsmart.org/t/spaceboundaries-change-ifcrelspaceboundary-to-ifcspaceboundary/5150)
**Author:** [@ElisEck](https://forums.buildingsmart.org/u/ElisEck)\ **Replies:** 4\ **Last updated:** [June 13, 2024, 12:33pm UTC](https://forums.buildingsmart.org/t/spaceboundaries-change-ifcrelspaceboundary-to-ifcspaceboundary/5150 "2024-06-13T12:33:18Z")
Although the topic of space boundaries has unfortunately not made it into the new IFC4.3 release (see old thread), I would like to place it here as an issue for the next release: The entity for space boundaries IfcRelSp… --- ## [new ifc 4X2/3 bridge file examples](https://forums.buildingsmart.org/t/new-ifc-4x2-3-bridge-file-examples/5218)
**Author:** [@JeanGUAL](https://forums.buildingsmart.org/u/JeanGUAL)\ **Replies:** 12\ **Last updated:** [June 12, 2024, 12:47pm UTC](https://forums.buildingsmart.org/t/new-ifc-4x2-3-bridge-file-examples/5218 "2024-06-12T12:47:07Z")
Hello everybody I am looking for new ifc 4X2/3 bridge file examples to test our reading Ifc tools. I have yet tested with examples in https://ifcinfra.de/ifc-bridge/bridge-abschluss/ Thank you --- ## [The datatypes in the IFC schema are not supported by bSDD](https://forums.buildingsmart.org/t/the-datatypes-in-the-ifc-schema-are-not-supported-by-bsdd/5408)
**Author:** [@Enrra](https://forums.buildingsmart.org/u/Enrra)\ **Replies:** 17\ **Last updated:** [June 5, 2024, 1:32pm UTC](https://forums.buildingsmart.org/t/the-datatypes-in-the-ifc-schema-are-not-supported-by-bsdd/5408 "2024-06-05T13:32:14Z")
As stated in the database description of the property description of many properties inside Pset, the data type is not supported. example : Technical note: in IFC this property takes ‘IfcLabel’ as value. Such objects … --- ## [IFC Format web section on Tehcnical Website](https://forums.buildingsmart.org/t/ifc-format-web-section-on-tehcnical-website/5410)
**Author:** [@daviddelven](https://forums.buildingsmart.org/u/daviddelven)\ **Replies:** 3\ **Last updated:** [June 4, 2024, 10:00am UTC](https://forums.buildingsmart.org/t/ifc-format-web-section-on-tehcnical-website/5410 "2024-06-04T10:00:16Z")
Where is the IFC Format section, always under the Standards section on the Technical Website? I can retrieve it using a stored URL or as a hyperlink on the main IFC section. --- ## [Assigning Uniclass Code for existing Asset Management System](https://forums.buildingsmart.org/t/assigning-uniclass-code-for-existing-asset-management-system/5387)
**Author:** [@IanVG](https://forums.buildingsmart.org/u/IanVG)\ **Replies:** 1\ **Last updated:** [May 30, 2024, 2:37pm UTC](https://forums.buildingsmart.org/t/assigning-uniclass-code-for-existing-asset-management-system/5387 "2024-05-30T14:37:03Z")
Hello all, please forgive my ignorance in advance if I’m posting on the wrong kind of website for this open-ended question, but I am looking for some feedback on what I am doing. For my facilities’ asset management syste… --- ## [Future of IFC5 (academic paper)](https://forums.buildingsmart.org/t/future-of-ifc5-academic-paper/5373)
**Author:** [@marw](https://forums.buildingsmart.org/u/marw)\ **Replies:** 6\ **Last updated:** [May 29, 2024, 8:00pm UTC](https://forums.buildingsmart.org/t/future-of-ifc5-academic-paper/5373 "2024-05-29T20:00:50Z")
I would like to discuss some minor topics related to this paper: "Future of the Industry Foundation Classes: towards IFC 5 " This paper suggests that IFC5 should be modelled as an UML class diagram. The EXPRESS schema… --- ## [Extension of IFC data schema in the Hydropower Industry](https://forums.buildingsmart.org/t/extension-of-ifc-data-schema-in-the-hydropower-industry/5383)
**Author:** [@shihangzhang](https://forums.buildingsmart.org/u/shihangzhang)\ **Replies:** 3\ **Last updated:** [May 29, 2024, 4:59pm UTC](https://forums.buildingsmart.org/t/extension-of-ifc-data-schema-in-the-hydropower-industry/5383 "2024-05-29T16:59:30Z")
Hi everyone, I believe that the ongoing extension of IFC data schema into the infrastructure sector is a very valuable endeavor. In the hydropower and water conservancy industry, there are still some highly specialized… --- ## [Querry the whole list of IFC classes to bSDD for IDS writing](https://forums.buildingsmart.org/t/querry-the-whole-list-of-ifc-classes-to-bsdd-for-ids-writing/5395)
**Author:** [@Enrra](https://forums.buildingsmart.org/u/Enrra)\ **Replies:** 6\ **Last updated:** [May 23, 2024, 3:51pm UTC](https://forums.buildingsmart.org/t/querry-the-whole-list-of-ifc-classes-to-bsdd-for-ids-writing/5395 "2024-05-23T15:51:10Z")
Hello, I want to have a small filter allowing people to select the correct classes proposed in the IFC Schema. I want to use bSDD in order to not having to downloadI FC Schema, making the application more logical. The p… --- ## [How does a cost item know that it is counting a controlled product?](https://forums.buildingsmart.org/t/how-does-a-cost-item-know-that-it-is-counting-a-controlled-product/3564)
**Author:** [@Moult](https://forums.buildingsmart.org/u/Moult)\ **Replies:** 4\ **Last updated:** [May 22, 2024, 8:48am UTC](https://forums.buildingsmart.org/t/how-does-a-cost-item-know-that-it-is-counting-a-controlled-product/3564 "2024-05-22T08:48:56Z")
A cost item may be controlling zero or more products. If the purpose of the cost item is to quantify the units of that product (e.g. count how many products there are), then the CostQuantities attribute should include an… --- ## [IFC Model: North Orientation](https://forums.buildingsmart.org/t/ifc-model-north-orientation/5380)
**Author:** [@Gonzo](https://forums.buildingsmart.org/u/Gonzo)\ **Replies:** 2\ **Last updated:** [May 21, 2024, 12:51pm UTC](https://forums.buildingsmart.org/t/ifc-model-north-orientation/5380 "2024-05-21T12:51:25Z")
Hello everyone, I have a question regarding the orientation of the IFC model for a best practice OpenBIM coordination. Should the model be oriented to the true geographic north? I personally prefer to have the buildin… --- ## [Using of Pset\_ElementSize](https://forums.buildingsmart.org/t/using-of-pset-elementsize/5369)
**Author:** [@vynoskov](https://forums.buildingsmart.org/u/vynoskov)\ **Replies:** 0\ **Last updated:** [May 13, 2024, 5:46am UTC](https://forums.buildingsmart.org/t/using-of-pset-elementsize/5369 "2024-05-13T05:46:00Z")
Hello everyone! I want to use in my model software standardized PropertySet Element Size (7.5.4.44 Pset\_ElementSize - IFC4.3.2.0 Documentation) for IfcController elements. But I found very amazing occasion. This Pset re… --- ## [C# Classes from ids.xsd](https://forums.buildingsmart.org/t/c-classes-from-ids-xsd/5365)
**Author:** [@RenzoVenuti](https://forums.buildingsmart.org/u/RenzoVenuti)\ **Replies:** 0\ **Last updated:** [May 10, 2024, 6:51am UTC](https://forums.buildingsmart.org/t/c-classes-from-ids-xsd/5365 "2024-05-10T06:51:01Z")
Hi i’m trying to generate C# classes with Visual Studio’s Xsd.exe utility, but an error is generated at line 43 position 4, Element ‘http://www.w3.org/2001/XMLSchema:restriction’ missing. Furthermore, a namespace is de… --- ## [Validation of quantities using IDS](https://forums.buildingsmart.org/t/validation-of-quantities-using-ids/5326)
**Author:** [@aperezga](https://forums.buildingsmart.org/u/aperezga)\ **Replies:** 4\ **Last updated:** [April 29, 2024, 8:02am UTC](https://forums.buildingsmart.org/t/validation-of-quantities-using-ids/5326 "2024-04-29T08:02:11Z")
Hello everyone, I would like to know if it is possible to verify the existance of quantities in an IFC model by using IDS. If so, would the XML structure be the same as in the case of a property? --- ## [What MIME tipe could be IDS?](https://forums.buildingsmart.org/t/what-mime-tipe-could-be-ids/5338)
**Author:** [@Nata\_Ke](https://forums.buildingsmart.org/u/Nata_Ke)\ **Replies:** 1\ **Last updated:** [April 26, 2024, 3:05pm UTC](https://forums.buildingsmart.org/t/what-mime-tipe-could-be-ids/5338 "2024-04-26T15:05:30Z")
Hi! Is there any dedicated MIME type for IDS or should application/xml be used? --- ## [HVAC - IFC 2x3 and IFC4 - How assemble 3 IFC object information into 1 object + three general questions](https://forums.buildingsmart.org/t/hvac-ifc-2x3-and-ifc4-how-assemble-3-ifc-object-information-into-1-object-three-general-questions/3135)
**Author:** [@bgmeiner](https://forums.buildingsmart.org/u/bgmeiner)\ **Replies:** 4\ **Last updated:** [April 21, 2024, 5:24am UTC](https://forums.buildingsmart.org/t/hvac-ifc-2x3-and-ifc4-how-assemble-3-ifc-object-information-into-1-object-three-general-questions/3135 "2024-04-21T05:24:00Z")
We are currently using aggregates for combining 3 HVAC parts into 1 HVAC assemble. Is this the best approach. Ref. file “example\_blenderbim\_aggregate.png”, or is there a better option? Additional general questions: Is… [Previous page](https://forums.buildingsmart.org/latest.md?page=3) [Next page](https://forums.buildingsmart.org/latest.md?page=5)