Forums >> Revit Systems >> Technical Support >> Spaces don't recognize exterior walls

murrdpirate

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Joined: Fri, Aug 6, 2010
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I've got a building with 7 very typical floors of office space.  Spaces have been created for every single room in the building.  I can export the correct room names and areas via gbxml, but the exterior walls are not being picked up.  Even before I export I can see that it only lists interior walls for each space (although there are maybe a dozen rooms with 1 or 2 walls...usually wrong though anyway).  

I've been searching for an answer, but it seems that most people have the opposite problem, where all their interior partitions are seen as exterior walls.

It just doesn't make any sense to me because there are clearly no spaces on the opposite sides of exterior walls.

Some possibly key facts for me:  the spaces are on their own workset and I believe they were created by the architect.  But they definitely show up as "spaces" and not "rooms" and they have correct areas, unbounded heights, and volumes.

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mbsteve

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Joined: Fri, Sep 22, 2006
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I recently had a similar problem, export through gbxml, read via Energy Pro, no walls roof windows etc. had to add all that. hardly worth the effort to create all the rooms. Hope you find a fix. Let us all know.

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murrdpirate

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Finally figured out the problem.  Apparently there is a parameter for walls that allows you to set them as either "interior" or "exterior."  I guess because the architect is using a curtain wall, they set the actual wall behind the class to be "interior," and I guess that was our space bouding wall.  Something like that.  Our Revit coordinator just removed the "interior" designation and now it works.  

I don't think you necessarily have to set walls as "exterior" in order for them to be picked up as exterior walls in gbxml.  Just as long as they are not set as "interior."  Revit should be able to figure out which walls are exterior.

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Saintsfan1483

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Joined: Fri, Feb 3, 2012
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I am having a similar problem, can you explain in a little more detail what you did to get the walls to export correctly into a gbxml file? 

Thanks in advance.

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