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    Roof Cut Off Level

    Maybe I'm doing this wrong, but I thought the roof cutoff level cut the TOP of the roof, leaving a hole. I need to create a mansard roof and figured I'd just put in a hip roof and use the cutoff instance parameters. But, when I do this, it just offsets the BOTTOM of the roof, leaving it floating in the air. Is that correct behavior?
    Dan

    #2
    No, it should cut ff the top of the roof. You did set the cutoff level to a level higher than the base level of the roof, right?
    Scott D Davis
    Sr. AEC Technical Specialist
    Autodesk, Inc.
    http://bit.ly/aboutsdd

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      #3
      Wow, I had a long response typed and my computer gave me the blue screen of death. So, after rebooting I was going to put some screen shots together for you, and NOW it's working as it should. Sometimes I hate technology. :banghead:

      Scratch that. I had it set at a 6' offset and decided to see what 5' would look like, now it's floating the roof again. WTF Revit!!! :banghead:

      Okay, I have another roof on a tower (hipped roof) and it's working fine there. I'll try recreating the offending roof, maybe it's just screwed up. The offending roof cuts around the tower (it's in the corner of the roof). That wouldn't be messing it up, would it?


      **edit** Yes, it would. Apparently, Revit doesn't like it if you cut the roof around something, then use the offset parameter. I squared off the roof and it's working fine now. Of course, now I have a roof going through the tower walls. Uggghhh.
      Last edited by dzatto; December 28, 2012, 04:28 PM.
      Dan

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        #4
        Originally posted by dzatto View Post
        now I have a roof going through the tower walls. Uggghhh.
        Use an Opening to cut the roof vertically at the tower to remove the piece of the roof that is going through the tower.
        Scott D Davis
        Sr. AEC Technical Specialist
        Autodesk, Inc.
        http://bit.ly/aboutsdd

        Comment


          #5
          I did, Scott. For some reason it didn't work the first time; kept giving me errors. I tried it again with a different sketch boundary and it worked fine. :thumbsup:
          Dan

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            #6
            Originally posted by Scott D Davis View Post
            No, it should cut ff the top of the roof. You did set the cutoff level to a level higher than the base level of the roof, right?
            If you MIRROR the roof, it will cutoff the bottom instead of the top.

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