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Export window IsExternal Revit 2023

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Message 1 of 11
b.vanderhoeven
732 Views, 10 Replies

Export window IsExternal Revit 2023

If you export a window to IFC it will get the value IsExturnal is False in the Pset_WindowCommon properyset. With Doors you can set this yourself, but not with windows. How can you get this right in the Revit way (I know that I can add a parameter IsExternal, I'm concerned about the difference with the parameter "function" with which you can set the IsExternal True or False in Doors)

10 REPLIES 10
Message 2 of 11

same here

Message 3 of 11
L.Maas
in reply to: robertovalentino

You can do this with a Parameter mapping Table

Create a txt file. Hereunder an example of what it should look like (spacing by TABs)

(Lines regarding Fire Rating are not relevant for you)

LMaas_2-1691487312121.png

In Revit create a project parameter for windows (same name as in the txt file)

LMaas_3-1691487413532.png

 

In Revit set IfcIsExternal to True or False for your windows

LMaas_0-1691487850717.png

 

In the export to IFC load the parameter mapping table.

LMaas_4-1691487631060.png

 

Result after export of the IFC

 

LMaas_1-1691487245178.png

 

Louis

EESignature

Please mention Revit version, especially when uploading Revit files.

Message 4 of 11
Simon_Weel
in reply to: b.vanderhoeven

Like @L.Maas says - add a Project Parameter. Also note there are quite a number of categories not having this IsExternal parameter, like Roof and Ceiling. So if you add the parameter for Windows, you might want to add it for those other categories as well. This is our list:

Simon_Weel_0-1691496568824.png

 

Message 5 of 11
L.Maas
in reply to: Simon_Weel

Then you also have to add to the the parameter mapping table to make sure that the IsExternal is coming in the right IFC (common) property set.

Louis

EESignature

Please mention Revit version, especially when uploading Revit files.

Message 6 of 11

@L.Maas 

@Simon_Weel 

thank you so much!

Message 7 of 11

Hi, i used another method and it worked for me,

I created a new Type parameter called IsExternal as a Yes/No parameter.

As shown under :

Jaouher_Talbi_as272_1-1718725065144.png

 

Jaouher_Talbi_as272_0-1718725034398.png

When Exporting the Ifc file it worked just fine.

I'm in Revit 2022.1.6

Message 8 of 11
b.vanderhoeven
in reply to: L.Maas

(I know that I can add a parameter IsExternal, I'm concerned about the difference with the parameter "function" with which you can set the IsExternal True or False in Doors)

Message 9 of 11
b.vanderhoeven
in reply to: Simon_Weel

(I know that I can add a parameter IsExternal, I'm concerned about the difference with the parameter "function" with which you can set the IsExternal True or False in Doors)

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Message 10 of 11
b.vanderhoeven
in reply to: L.Maas

(I know that I can add a parameter IsExternal, I'm concerned about the difference with the parameter "function" with which you can set the IsExternal True or False in Doors)

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Message 11 of 11

(I know that I can add a parameter IsExternal, I'm concerned about the difference with the parameter "function" with which you can set the IsExternal True or False in Doors)

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