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Thread: Hanging Lights on Slopes

  1. #1
    Member kowen1208's Avatar
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    Hanging Lights on Slopes

    I've seen it hinted before that there's a way to build light fixture families so they behave like they would IRL when placed on a sloped ceiling, but I can't find any information on how. For example, a ceiling fan has a cover plate that is flush to the ceiling, and then the fan hangs straight down from that. I know there's the "always vertical" option, but that only helps so much when you want the fixtures to look right in sections, renderings, etc. The one idea I had was to nest one family that's set to "always vertical" inside another family that's not, but it didn't work. Does anyone have any ideas how to do this, or if it even is possible? Thanks.

  2. #2
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    It certainly can be done.

    I normally utilize the following procedure:

    Face Based Component.
    Model out items that stay flush with the surface in the Parent family.
    Use a Right Elevation to set up a rotating Reference Line, locked to the point where it needs to rotate.
    Nest in a lighting fixture that has a length-adjustable element to represent the chain/wire/pipe hanger.
    Nest separate lighting element if necessary.
    Host nested lighting fixture to rotating Reference Line. Rotate element to match reference line angle (if necessary).
    Test for errors.
    Rotate element using space bar when loaded into project to get proper orientation.

    Feel free to disassemble the attached family of a ceiling fan.
    Attached Thumbnails Attached Thumbnails Hanging Lights on Slopes-slopelighting.jpg  
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    cellophane likes this.

  3. #3
    Member kowen1208's Avatar
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    Ah, very nice. Would be nice if it could be done without manual input, but better than nothing. With a little trig, you could set it up to be able to enter in the slope of the surface instead of the angle.

  4. #4
    Junior Member dingohot's Avatar
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    You can make it with adaptive component.
    here is a post for you.
    Enjoy Revit: Gravity In Revit

    hope it helps.

  5. #5
    Moderator cellophane's Avatar
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    Quote Originally Posted by dingohot View Post
    You can make it with adaptive component.
    here is a post for you.
    Enjoy Revit: Gravity In Revit

    hope it helps.
    NICE! I really need to learn how to make AC...
    dzatto likes this.

  6. #6
    Junior Member dingohot's Avatar
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    Quote Originally Posted by cellophane View Post
    NICE! I really need to learn how to make AC...
    Thanks. you can make lot's of things with AC.

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