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Thread: Curved walls + roof by footprint

  1. #1
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    Curved walls + roof by footprint

    Hi

    I'm trying to make a roof by footprint on curved and straight walls and the following error always comes up: "Can't make footprint roof".

    I've tried to split it in half so the slope is just on one side but that didn't work. I ended up with making 5-6 roofs but all had to be with straight lines. I can do all kinds of roofs that are curved like you see in one of the pictures attached but this path wont let it go through (not even if I do it another file/template/project)

    Any Ideas ?

    The first picture is the error I always get, number two is the path I'm going for, number three is a picture of the roof(s) that I ended up creating one at a time (no curved lines (same error), and number four is just a random footprint roof that I made to see if the same error would appear.

    Best regards


    Attached Thumbnails Attached Thumbnails Curved walls + roof by footprint-%FEak-2.png   Curved walls + roof by footprint-%FEak-1.png   Curved walls + roof by footprint-%FEak-3.png   Curved walls + roof by footprint-%FEak-4.png  

  2. #2
    Junior Member BIMscape's Avatar
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    I'm sure they do, but I'll start with the obvious.... Do the 2 curves (bottom and top of the slope) definitely share the same centre point?


    Kind Regards,
    Ian

    The Complete Beginner's Guide to Autodesk Revit:
    www.bimscape.com/revit

  3. #3
    Senior Member PijPiwo's Avatar
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    Are your segments all the same slope (pitch)? Is there any offset from base applied?
    Try slope arrow instead of segment’s slope definition.

  4. #4
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    Hi guys. Thank you for the quick answers.

    BIMscape: I tried doing another roof on the side were I have the same center point and that didn't work. (see attached picture)

    PijPiwo: I have the same slope on every line i want to have slope's on. I tried working with the slope arrows but the roof always ends up pretty messed up. Besides that I can't figure out how to control the slope of the slope arrow (always set to 30° and I can't change it).

    If I would send you the model would either of you care to check it out ?
    Attached Thumbnails Attached Thumbnails Curved walls + roof by footprint-%FEak-5.png  

  5. #5
    Senior Member PijPiwo's Avatar
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    Quote Originally Posted by HSG11 View Post
    If I would send you the model would either of you care to check it out ?
    Yes, please do. Upload your file here, on the forum.

    FYI, to change the slope arrow slope: select slope arrow and, in properties, change 'height at tail' to 'slope'. 'Slope' option will become available.

  6. #6
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    Roof

    Ok here is the roof. It's just straight lines but I want to be able to use start-end-radius arc line.

    Thank you for the quick responses guys, I really appreciate it

    edit: about the slope. It is supposed to start at a level called "6. hæð" (26320mm) and end at "Þak." (27950mm)
    Attached Files Attached Files
    Last edited by HSG11; January 13th, 2017 at 11:00 AM.

  7. #7
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    Roof solution ?

    Ok so I tried working with the slope arrows again and I got it pretty right I think. What do you think ?
    Attached Thumbnails Attached Thumbnails Curved walls + roof by footprint-%FEak01.png   Curved walls + roof by footprint-%FEak02.png  

  8. #8
    Member Andres Franco's Avatar
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    Hi HSG11, Nice, my solution: I'll do try with a Roof by extrusion and then i'll cut out the Elevator with a void , just a different idea!! , regards

  9. #9
    Senior Member PijPiwo's Avatar
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    For some reason this roof doesn’t want to cooperate
    You can use two roofs, however the surface pattern on the curved part will not be aligned. I know you’ve tried it already, but try it again - it works fine on my end.
    Or, model the roof as a sweep. With the sweep, it’s possible to fix the surface pattern issue by cutting the roof (sweep) with a void.
    Personally, I’d use two roofs and turn the roof pattern off.

    Andres, unfortunately the roof by extrusion doesn't do curves, straight path only.

    EDIT: Single roof will work when straight segments are tangent to the curve.
    Attached Thumbnails Attached Thumbnails Curved walls + roof by footprint-roof.png  
    Last edited by PijPiwo; January 13th, 2017 at 06:22 PM.

  10. #10
    Member Andres Franco's Avatar
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    Hi PijPiwo, thanks for your observation, I just wanted to to respond quickly and I didn't pay enough attention to my words, I wanted to proposed a curved roof by Extrusion and I didn't proposed the good method, so here is my idea to HSG11 to do his roof:

    So I didn't use the Roof by extrusion Command, instead I used the "Create component in place", sorry if it's misspelled (my Revit is in French),

    Then I just choose the Extrusion by path Option,

    I drew the Roof profile, and finally I added a void to cut the roof at the desired place :


    Hope this helps, and sorry for my lack of precision the first time, regards
    Attached Thumbnails Attached Thumbnails Curved walls + roof by footprint-1.png   Curved walls + roof by footprint-2.png   Curved walls + roof by footprint-3.png   Curved walls + roof by footprint-4.png   Curved walls + roof by footprint-5.png  

    Last edited by Andres Franco; January 17th, 2017 at 03:54 PM. Reason: Misspelling

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