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Forums >> Revit Building >> Technical Support >> Lighting families in RCP
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Joined: Tue, May 20, 2008
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Im working on the RCPs for my firms first REVIT project. Currently trying to Tackle the lights. It is not our desire to make 3d models of countless different highend lighting fixtures. for our purposes 2d will do. However I have not found a way to draw model lines in a refelected cieling plan of anything but cieling mounted lights, And most of these fixtures are in areas that do not have cielings (obviously they have a y axis bounding region in real life but it is simply the structure/floor above a a "cieling" as Revit sees it, therefor I cannot place and cieling dependent families into those areas (which again is most of them). Thanks ggard
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Joined: Thu, Dec 16, 2004
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The best way to think about thing in Revit is "How will it be done in the field?" Obviously the lights are not going to be floating in space. Will they be hanging from a tie rod? Strung up by a wire? The answer to that question is how the family should be modeled. If it attaches to the bottom of the structure above it, then make it a face based family and host it to the bottom of the floor above. Strung up by a wire? Make it wall hosted with a variable length of the wire... if you really want to take it that far. If your ok with the light floating in space, then go ahead and model it floating in space. Regarding drawing model lines to represent the 2D element. If you create a generic light fixture (no hosting properties) and place the model lines on the "ground plane" of the light fixture family, then the lines will show up at whatever elevation the light fixture is placed at in the project. HTH!
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Carl - rkitecsure[at]gmail.com
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Revit has a basic ceiling which really isn't a ceiling because it has no thickness. We place this at the bottom of our structure so that we can host lights and other "ceiling" mounted items in exposed structure areas.
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Thanks for the help, but incidentally we are using a new experimental light from Louis Poulsen, it floats on a cloud of pure energy.
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wwhub, Does that show up in section?
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It will show as a single line but you can hide it or use the linework tool.
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I came across the same problem... What I did was to model the finish coat that was going to be applied to the slab (as a ceiling). It was the actual thickness, although you can have 0" thick coat (I guess). Then you can attach whatever ceiling mounted fixture you want. For the lamps... Instead of modeling each and every lamp, and at this moment the interior designer hasn't decided on what to pick... I just modeled a J-Box for placeholder. I'll have the interior designer specify them in his drawings. hope it helps...
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Oh... I forgot something... would appreciate if anyone can help me with this... In the RCP we are showing all light fixtures including under cabinet lights in kitchens... now the ticky part is that if we stick them to the underside of the cabinets, they will not show in the RCP... Right now they are ceiling attached, and show in the RCP, but they show up everywhere too... Interior Elevations, 3d views, etc.. I could go to the family and change the visibility setting to show only in floorplan, but it'll show in 3d views, is there another way? Like using a masking region or something that might display in RCP, although the model is placed below the ceiling.
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Joined: Fri, Dec 19, 2008
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WWHub, Thanks for the tip about the basic generic ceiling. I've been struggling with ceiling based lights for a while now and this ceiling works perfect for my project.
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