I have imported the RAC basic sample project as IFC into Revit 22 and roofs containing roof windows contains physical holes making the windows non room bounding and I wonder how to deal with this? I tried to remove the window but that does not help since the whole is still there. Could I use a sloping room separator mend the roof somehow?
Why don't you just close it up then with a Room-Bounding element? That is, model a Roof at the Skylight/Opening?
Same thing happens here with the Interior Fill, but it has no effect on Room Volume. Just a graphical glitch. Can be corrected by moving Section.
I use the room geometry for thermal simulations so it is important that they represent the air volume. Mending the roof could fix the problem but then I am afraid I loose solar radiation but the window might fix this.
I can't imagine how this would have any impact on Thermal Sims. Let us know if it does.
I send the room geometry to the thermal simulation tool through a Speckle stream since gbXML and IFC produces real messy result.
Hello
Am just wondering abou the settings you have for the " Area and Volume Computations "
I did a quick test and the second option fixes the room even if theres a opening in the Roof.
Hope this helps.
Cheers.
1. Areas Only ( Faster )
2. Areas and Volumes.
@max.tillbergHKH6Y wrote:I send the room geometry to the thermal simulation tool through a Speckle stream since gbXML and IFC produces real messy result.
Actually, I take back what I said about it being only a graphical glitch. Clearly, it's more than that - enough to make me question the accuracy of the analytics.
Screenshots compare RAC Sample Project with a Project containing a Linked IFC of that same Sample Project. The IFC Room Volume is being affected by Limit Offset. The higher the Limit Offset of the Room created via the IFC Link, the greater the Volume of the IFC Room. This is not the case in the RAC Sample Project.
FWIW.
I read in some other forum post that linking the IFC would solve the problem but apparently this is not the case. The walls looses some room bounding as well but this is easy to fix since it is very apparent since no rooms can be created.
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