Export any Revit property to IFC using custom Property Sets

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Custom property sets are a very powerful way to export the information about your Elements in a structured and meaningful way by creating user-defined (custom) Psets. In Revit there are two ways to accomplish this, using schedules and using a parameter mapping table.
Timestamps:
0:00 Intro
01:14 Using Schedules to create custom Psets
02:57 Using a mapping table to create custom Psets
Useful links:
Autodesk Revit IFC Manual: damassets.autodesk.net/conten...
BuildingSMART Denmark IFC Manual: simbim.es/img/cms/pdf/IFC-gui...
Bond Brian's BIM Blog series on IFC export: bimblog.bondbryan.co.uk/ifc-i...
Current download links for Revit IFC (sidebar): bim-me-up.com/
Autodesk App Store: apps.autodesk.com
Revit IFC on Github: github.com/Autodesk/revit-ifc
Wiki OS with useful tips around openBIM, not only for Revit: wiki.osarch.org/index.php?tit...
Recommended freeware IFC Viewers:
Open IFC Viewer, very fast and supports latest IFC Versions: openifcviewer.com/
BIM Vision, powerful viewer, offers additional features for measurement or easy display of classifications: bimvision.eu/download/
BIMcollab IFC Viewer, popular viewer, offers direct connection to the BIMcollab platform: support.bimcollab.com/en/zoom...
FZK Viewer, a bit oldschool, not good with big models, but very accurate display of properties: www.iai.kit.edu/1302.php
You can also view IFC files in following Autodesk solutions:
Autodesk online Viewer (free): viewer.autodesk.com/
BIM 360 platform / Autodesk Docs (included in the AEC collection): www.autodesk.com/products/aut...
Autodesk Navisworks (Manage / Simulate, included in the AEC collection): www.autodesk.com/products/nav...
I also regularly blog about IFC and interoperability (mostly in German):
bim-me-up.com/
blogs.autodesk.com/bimblog/

Опубликовано:

2 авг 2024

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Комментарии : 62

@BIMmeup 3 года назад

As correctly indicated by someone here: the prefix "Pset_" should not be used for user-defined property sets, as indicated in the buildingSMART documentation: standards.buildingsmart.org/IFC/RELEASE/IFC4_1/FINAL/HTML/schema/ifckernel/lexical/ifcpropertyset.htm I did start my PSet created through the schedule with PSet (without "_") to have the filtering option, but probably it would be a better option to add PSet after the name or to use another keyword supported by the Revit export dialog (IFC or Common) to avoid confusion.

@sbr4897 11 месяцев назад

in the case we are are converting from Tekla or Archicad to IFC in order to open them in Revit. Revit is not classifying the elements sand categories correctly, they are passed in generic models. how can i solve this ?

@BIMmeup 11 месяцев назад

@@sbr4897 When loading IFCs in Revit I always recommend to first check whether all elements are correctly classified in an IFC viewer (e.g. if a wall is really IfcWall) - in Revit, you can also double check the import mapping table which can be found under Revit > Open > IFC Options. If it still fails, definitely open a support ticket or report the issue on github.com/Autodesk/revit-ifc

@sbr4897 11 месяцев назад

i mean in case we didnt have a well classified IFC coming from ArchiCad or TEkla and we open this IFC in Revit which classify them under Generic Model in this case because the IFC isn t well done.. Is there a Method in which Revit classify automatically the elements instead of putting them in Generic Models?@@BIMmeup

@robm7186 3 года назад

IFC is a topic that is close to my heart. Thank you for insightful explanation as to how Revit supports IFC.

@alinefrancacn Месяц назад

Amazing video! Extremely helpful, thanks a lot! Your explanation was just perfect for what I was searching / trying to understand for days.

@trajcestojanov7982 3 года назад

Perfect. Definition I/T in Pset txt file really confused me since testing showed that it's irrelevant. Now it's clear to me. Thanx

@13579zcbm 2 года назад

This was extremely helpful! Thank you so much :) Will look out for future videos.

@lysonthien 3 месяца назад

Thank you so much for your clearly explaination. I am a newbie of IFC.

@ancazoneful 3 года назад

Thanks! Very well explained

@Mohamedalamer Год назад

thank you so much for your amazing and simple explaination, it was so clear and easy May Allah Bless you 🤲

@BIMvoice Год назад

Great video, thank you!

@nkohlson Год назад

Thanks a lot! Took some time for me to get into the details of IFC-Export, but now this Video was very helpful to me :-)

@AlbrechtJ Год назад

Thanks for very well explanation.

@mohamednassar4691 Год назад

Very Good Sseries, thanks

@MrProgramerS Год назад

Круто, все понятно. Спасибо!😊

@AussieBIMGuru 2 года назад

Lifesaver! Come back to this series all the time. Have you considered getting BSI or OSArch to have you put this together for their references as well?

@BIMmeup 2 года назад

Thanks Gavin! :) Always great to hear this stuff is useful! Good idea, I'll ask Dion - do you have the right person at BSI in mind?

@AussieBIMGuru 2 года назад

@@BIMmeup hrm noone I know personally, but feel this series would really help them and/or osarch show revit users how to achieve more open data outcomes. Bsi is software agnostic so might be challenging but I'd say osarch would be keen to share your work.

@BIMmeup 2 года назад

@@AussieBIMGuru Actually I just realized they are linked wiki.osarch.org/index.php?title=Autodesk_Revit (had forgotten about it) - need to find time to do some more videos. Really admire consistent RU-vidrs like you! :)

@marwanbeaino5377 Год назад

The best two references for Revit out there !

@mrtda100 10 месяцев назад

Hi thank you so much for amazing videos

@Ne-ul5hy Год назад

korrekt

@joachimFritsch 2 года назад

Hello! Very short and easy to understand video! Is there the possibility to group parameters directly in Revit? For example, a BIM_me_up category of walls? Currently the default grouping of a wall are: Constraints, Structural, Dimensions, Identity Data and phasing.

@asfarq 2 года назад

Golden six minutes.

@jckl4085 2 года назад

Hi thanks for this one. I'm just wondering if there is possibility to make workaround, and not use dynamo and other staff in case we want to make concatenation where we combine multiple parameters from revit in one ifc parameter :D (assume they're all the same text parameters, just to ease thingsa bit)

@ShridharKhot-jt8qj Год назад

Hi, Thank you so much. Really very useful video. I tried to do export IFC using User Defined Property Sets for different data types like Text, Number, Integer and Boolean. I get the results what I expected but failed to get Boolean value. For boolean data type it shows as string after export. Can you please help me sort this issue?

@kyriakoskatsigarakis9771 3 года назад

Hi, I wonder if there is any way to export user-defined PSets under the same IFC Class with different types. For instance: IfcUnitaryEquipment (ROOFTOPUNIT) -> PSetA IfcUnitaryEquipment (SPLITSYSTEM) -> PSetB

@SuperMpix Месяц назад

Great vid as usual! When using the "Export only schedules contatining IFC, Pset or Common..."...Is it possible to use a custom keyword instead of one of the three above? I'd like my pset folder name to be "Click here" and not "Pset Click here"...

@thiagomagalhaes9734 7 месяцев назад

Great video you made, congratulations......, I did some tests here and realized that "Pset_" only works with schedules/quantities, it doesn't work with material takeoff?

@BIMmeup 6 месяцев назад

Thanks for your comment, not quite sure what you mean - I recommend posting some screenshots and describing what you are trying to achieve on github.com/Autodesk/revit-ifc/issues

@petermcdowell3889 Год назад

A simple question, aber erste danke fur die videos :) I would like to add a new parameter as "Documentary_Stage" into the IFCProject properties (First sheet on IFC tree). The most appropiate, it would be to add this parameter as a File header but I dont know if it is posible so I added the parameter into the Revit Project information (Project information parameters go stright to the IFCProject properties) and I created a UserDefindePset with that parameter and dosent work, but if I add the parameter to an element, it works. Any solution? I can just use IfcTag, but Id like at the other way.

@Diegoratti90 2 года назад

Hi, thanks for this amazing video! I just have a specific question regarding the txt file custom property Set. It is explained how you could set the .txt file creating a list of parameters associated with some entities. PropertySet: My Property Set I IfcWall Comments Text Here is my question: what about if I want to associate some particular property, NOT to all IfcWall, but only to a certain type of wall? ( i.e. interior partition, or even a single wall type? ) for example it could make sense to declare the Thermal Resistance capacity for only External Wall and not for interior partitions ... or even it could make sense to include the the degradation status NOT for all Exterior Walls, but only for a certain type of exterior walls ( i.e. the existing one..) Hoping my comment is clear Thanks!

@BIMmeup 2 года назад

Hi Diego, thanks for your kind comment, always means a lot to hear my content is helpful! Now to your question - you made the question perfectly clear, the only way I could think of how to accomplish this is to leave the values empty - the IFC exporter won’t export a property for elements with no value. Hope this helps?

@petermcdowell3889 Год назад

Yes. I mostly use IfcElement in thoses cases, because Ijust add the parametrs where I need them.

@CScopenhagen 3 года назад

Hi, 1) Do you know if its possible to add 'new' parameters to the "standard tabs" in the IFC? Specifically Identification, Location and Classification? 2) Do you know the element list I would need for a user-defined property set that should include any and all installation related objects, but no structural or architectural elements? 3) Do you know if its possible to retract a specific object type from a pset? I.e. IfcElement minus IfcDoor? BR, Maria

@petermcdowell3889 Год назад

For standars you can use ClassificationCode. It is not what you are looking for, but give you more opportunities for standars.

@ahmedhagras1882 3 года назад

The video is amazing. i am just wondering if I can do the same to shared parameters in Revit

@BIMmeup 3 года назад

Hi Ahmed, thanks a lot for your comment! :) Sure, for the export it does not matter whether the parameter is shared in Revit or not.

@ahmedhagras1882 3 года назад

@@BIMmeup thanks for your reply, the problem is it doesn’t work with me, is their a specific condition for the shared parameter?

@BIMmeup 3 года назад

@Ahmed Hagras It really makes no difference! Make sure you have the latest Revit IFC (available at apps.autodesk.com) and try it with the schedule first. 👍🏼

@UCFxak75CJeW5Muao6Po 2 года назад

I actually need to extract concrete properties such as the concrete cover from a concrete element, however I'm really stuck with this. I saw that "Pset_ConcreteElementGeneral" has some of the properties I need, but it is never extracted due to some reason. Can anyone help me with this?

@marie-yasminechemsseddoha9053 Год назад

hello, thank you for your video super clear and easy. I tried to get properties from REVIT in IFC with revit parameter type Yes/No but it doesn't seem to work. (all others work perfectly). Did someone already tried? thank you

@BIMmeup Год назад

sorry for the late response - for Yes/no properties you'd need to enter BOOLEAN as data type, check page 30 in the IFC manual: blogs.autodesk.com/aec/wp-content/uploads/sites/165/2022/02/09/revit-ifc-open-bim-manual-en.pdf

@KarlHeinzofWpg 2 года назад

Thank you for the video. I'm not a regular Revit user but I'm trying to pull data from rvt models into an ifc which I can use in another program. This video has taken me a few huge steps forward! I'm stuck on one thing however. If I edit my DefaultUserDefinedParameterSets file I can extract all kinds of data, but not Force data. For example, something that shows up as 700 kN in Revit comes out as -1 in the ifc file. Is there some trick to mapping forces? This is my file. The "Text" comes over nicely, the "Force" does not. PropertySet: KWpropertySet I IfcBuildingElement Asset_General_Suitability_Code Text Asset_Structural_Connection_End 1_Shear_Major Force

@petermcdowell3889 Год назад

PropertySet: KWpropertySet I IfcBuildingElement Asset_General_Suitability_Code Text Asset_General_Suitability_Code Asset_Structural_Connection_End 1_Shear_Major Force Asset_Structural_Connection_End 1_Shear_Major

@KarlHeinzofWpg Год назад

@@petermcdowell3889 Thank you!

@Cokoladni Год назад

Do you maybe know if its possible to add PropertySet seperated by Enums? We are having a problem where for example IfcFlowController -> IfcFireDamper -> FIREDAMPER has the same property set as a IfcFlowController -> IfcFireDamper -> BLASTDAMPER and we dont want that.

@BIMmeup Год назад

Not aware of that issue, I suggest sharing a sample file over on Github or submitting it to Autodesk Support. Github Link: github.com/Autodesk/revit-ifc/issues

@kimchitat7387 3 года назад

I have already export to all kind of IFC, but the texture don't follow to IFC file.

@BIMvoice Год назад

It might be because IFC2x3. Give IFC4 a try.

@senanibrahim9746 2 года назад

Hall0 , Warum kann ich die Eigenschaft : Kennzeichen bei Revit nicht in IFC datei sehen obwohl habe ich Nummer gegeben . Was soll ich machen damit alle eigenschaft als Klasse bei Revit ist und IFC Datei sehen kann L.G

@user-fw4vm9pn7o 9 месяцев назад

Hello, do you have any idea why Type level parameters wont export to ifc using "User Defined PropertySet Definition" method? They show up when i use the "export schedules as property sets" in Revit but cant crack the code to do it in the user defined mode. All the instance parameters are showing up

@BIMmeup 9 месяцев назад

try adding *type to your mapping file entities, e.g. IfcElementType, IfcWallYype, etc.

@aznaczya 7 месяцев назад

@@BIMmeup Using IfcElementType works for system families, but it does not work for Loadable Families. Revit 2023.1.

@antoniopiccinini8640 5 месяцев назад

Hi, I must export walls and floors layers to IFC. Can you help me? Thank you very much! 🙏🏻

@BIMmeup 5 месяцев назад

If you mean each layer as a separate wall, then you need to create parts in Revit before exporting to IFC: help.autodesk.com/view/RVT/2023/ENU/?guid=GUID-2B21C6A4-203C-4F85-B613-D2432AD95595

@antoniopiccinini8640 5 месяцев назад

@@BIMmeup I know Parts, but I can’t use Parts in my project. I obtained layer with ifc 2x3. In ifc 4 I can’t.

@oleksandrkhabailiuk9224 2 месяца назад

HI, I am trying to export the custom Parameters with ParameterSets Option. All paremeter will be exported besides ElementTyp which is a Type Parameter and also Kategorie which is defuelt parameter in Revit.What could be an issue? Thank you in advance PropertySet: _N_IDs T IfcElement ElementTyp Text ElementTyp_trivial Text Typ EinheitenNr Text ElementNr Text ElementID Text PropertySet: Revit_Eigenschaften T IfcElement Kategorie Text

@BIMmeup 2 месяца назад

sounds like this Issue (you need to use IfcElement, IfcElementType): bim-me-up.com/en/revit-typenparameter-nach-ifc-exportieren/

@lorenzopapa8966 4 месяца назад

Why, in your opinion, this can t work: "Lunghezza Length Lunghezza Length Lunghezza istanza" Basically for the remapping of a railing we have two family that use two different parameter to define their lenght and in export we would like to export them as "lunghezza" and find it under the dimension tab in solibri. In this case the parameter lunghezza istanza is correctly remapped for as lunghezza for those family who has it. But the native parameter lunghezza of the native railing is not exported anymore.

@BIMmeup 4 месяца назад

Hmm not sure, could you please head over to github.com/Autodesk/revit-ifc/issues and file an inquiry including some screenshots of your Revit family properties, the configuration and the result in Solibri? Thanks!