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Forums >> Revit Building >> Technical Support >> compound slab or roof slopes
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Joined: Thu, Mar 9, 2006
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I've "searched" this topic but it seems most answers are that it's not worth it to model compound slab/roof slopes (sloping more than one direction). That may be fine for construction documents, but I'm modeling a structure to a high level of detail for use in clash detection in Navisworks, so I need to know exactly where my slabs are. Is there a way to model a "flat" roof of multiple ridges and valleys and varying spot elevations? I've run into the same problems others have with slope arrows in that I can only slope in one direction. I would even create separate triangular planes and join them if I could figure out how to slope them in both the x and y directions.
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KickingWater |
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After posting I read "Auditorium Floor with multiple slopes" Thanks! I think with the Options Bar / Define Points knowledge I'm well underway. Finally.
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KickingWater |
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I would use a floor to do this. You can edit the levels quite finely and in specific places using reference planes. Click on the floor and modify sub-elements.
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Tim, I did end up using a floor slab. It works pretty well, except that the program tends to put some ridges/valleys in places I don't want them. But I think it will do the trick. Thanks.
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the trick is ...
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"I would use a floor to do this. You can edit the levels quite finely and in specific places using reference planes. Click on the floor and modify sub-elements." Why use a floor? when a roof can do the same thing? I think from a technical standpoint the roof and floor are identical, other than the roof is a roof, and the floor is a floor. As a tip, I found that its easier to use multiple roofs to get the correct ridges and valleys. You can use the join geometry tool to make them act more like 1 object. I make 1 roof that has the main ridges and valleys, then use smaller roofs for crickets.
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Look into AutoCAD's site for Revit tutorials. Which version are you using? I have found a page for 2010 that has 6 or 7 downloads available that are essentially templates that you use with the tutorial. One of them has a tutorial on how to do the exact thing you are asking about... for Roofs. So take a look into that and like others have mentioned; think outside the box and use a roof for your floor slab. Hope this helps. The files you are looking for are: TutorialsArchitectureImpENU.chm rac_tutorial_datasets_01_i.zip rac_tutorial_datasets_02_i.zip rac_tutorial_datasets_03_i.zip rac_tutorial_datasets_04_i.zip rac_tutorial_datasets_05_i.zip rac_tutorial_datasets_06_i.zip rac_tutorial_documents_i.zip
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Edit: Forget what I said about using a Roof for a Floor slab; while it can be done, this tutorial shows you how to create flat roofs with slopes towards point (drain or what have you).
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