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Thread: Drawing LOD 300 Ceilings

  1. #11
    Senior Member Charles Karl's Avatar
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    Quote Originally Posted by Twiceroadsfool View Post
    Well, to be clear: Ive done it, and i DO see the value in it for coordination. And it wasnt a MASSIVE effort, but it IS an effort.

    A brief list of things to be aware of, while your contemplating this:

    1. They arent ceilings, they are now either Roofs, or mullions/panels. So, think about that with your tags.

    2. Oddly shaped rooms are MUCH more annoying, because of the "Mullions."

    3. Moving Grids is a bit slower than moving surface patterns on a ceiling object.

    4. There is some *funkiness* with Sloped Glazing, and rotating the grids. We had a glitch in 2017.x where rotating the grid to match angled hallways also vertically offset the panels, for some unexplained reasons. We had to ghetto fab, and make another tytpe with an offset, to work around.

    5. Objects that go on the ceiling: Lights, Air Terminals, Speakers, Access Panels... Will either have to be face based and be cut out of curtain panels, or will have to be modeled as curtain panel families. This is not a small thing to consider.

    6. Putting 2x4 lights in 2x2 ceilings. Takes tremendous time. Because you have to first remove a Curtain Grid portion to do it.

    7. Lineweights. Just... get over it. Lineweights get to be a pain in the ass.

    All in all, i enjoyed having it modeled, and ill continue doing it for any Construction projects where i am modeling for 3D Coordination, as its great to be able to differentiate between the ceiling grid and the tiles, ESPECIALLY from above. Also, it allows you to properly model coffered tiles, which regular ceilings dont do. Would i do it for a normal design job? Eh.... It would depend on the staff on the job, and the time to get it done right.
    First off, I applaud you for continually pushing the revit tools to the limit like you do. Secondly, you describe all the reasons not to model a ceiling with a curtain wall tool. Nice looking work!

  2. #12
    Forum Co-Founder Twiceroadsfool's Avatar
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    Quote Originally Posted by Andres Franco View Post
    Thanks a lot Aaron, well explained as always!!, I'll consider to follow your workaround since coordination is essential for me, one thing that worries me is the size of the files, since we have 5 stories, but I'll give it a try, thanks again guys for all your help, best regards
    Dont worry about the file size. itll get large, but it doesnt matter. It WILL regenerate a little bit slower (which makes sense, as there is WAY more items in the view now) but its worth it. The model in those screen shots is 750,000 SF. There is a LOT of ceiling in there.
    Last edited by Twiceroadsfool; July 11th, 2018 at 04:45 PM. Reason: sense not since

  3. #13
    Forum Co-Founder Twiceroadsfool's Avatar
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    Quote Originally Posted by Charles Karl View Post
    First off, I applaud you for continually pushing the revit tools to the limit like you do. Secondly, you describe all the reasons not to model a ceiling with a curtain wall tool. Nice looking work!
    Ehhh, i dont regret doing it. Not for a second. And i would gladly do it again. You just have to know what you are in for, when you get started.
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    Forum Addict GMcDowellJr's Avatar
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    Quote Originally Posted by Twiceroadsfool View Post
    if you have the content to do it.
    This is key to this (most) workflows.
    Twiceroadsfool likes this.

  5. #15
    Senior Member sdbrownaia's Avatar
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    I would suggest a hybrid, model the ceiling with the ceiling tool and 2x2 hatch pattern or whatever, then if you need to do coordination add the sloped glazing with NO panels(empty panel) only the T shaped Grid, I would have this filtered off typically but it would be there for coordination as needed.
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    Don't mean to be a Cptn Obvious, but a solution to adding Ceiling hosted Lights would be to use a transparent Basic Ceiling & have it locked to the object, then filter them out for your Interior/Sections if "Graphics" is an issue for the PM.

  7. #17
    Forum Co-Founder Twiceroadsfool's Avatar
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    And filter it out of every 3D view, and set it as filtered out in a view template that is used on new 3d view creation by default, and filter it out in a view template thats used in creating new RCP's by default, and filter it out....

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    Quote Originally Posted by Twiceroadsfool View Post
    And filter it out of every 3D view, and set it as filtered out in a view template that is used on new 3d view creation by default, and filter it out in a view template thats used in creating new RCP's by default, and filter it out....
    Isn't that what worksets are for and then set it to be off in all views by default?

  9. #19
    Senior Member Charles Karl's Avatar
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    I totally get the custom ceiling with slopes and the like, but what are the negatives about the ceiling tool for a standard grid ceiling that would be worth the extra effort to model with a different tool? It would seem to me that a 2d pattern on a ceiling element for a named 'ceiling grid system' meets LOD 300, am I mistaken? Not trying to be right here, just want to understand.

  10. #20
    Forum Co-Founder Twiceroadsfool's Avatar
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    LOD 300 is completely subject to WHOSE definition of LOD 300 you are using. I think a standard ceilign is *sufficient,* sure. But the modeled elements are WAY more valuable during 3D coordination. I (personally) like to give that added benefit to the coordination team and subcontractors, when its my design job. because i care about the ceiling layout.

    But i agree, i wouldnt say its *necessary* for LOD 300, depending on whos set of definitions it is.

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