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Thread: Family properties, choose parameter

  1. #1
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    Family properties, choose parameter

    Hello Guys.

    I have a question, i will show you what what i'm talking about on pic:


    I want to put in my family this option. I want to choose where will be electrical connector on bottom or on top of my device.
    How to do it?
    Attached Thumbnails Attached Thumbnails Family properties, choose parameter-rev.png  

  2. #2
    Member Barth's Avatar
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    Why don't you just create 2 identical geometries in the same place; a left and one right, and then control which one is visible based on which yes/no parameter is chosen? in other words, leave the connector where it is and make that the origin point.

  3. #3
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    I need this function in one geometric. In future someone whill be using this family in architecture project and he need choice between bottom or top.

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    Moderator Robin Deurloo's Avatar
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    You need to make the connector on both sides and with a Yes/No visibility parameter control which one is visible.

    Make 2 Yes/No Visibility parameters:

    Top
    Bottom

    add the Top on to the connector on the Top and the Bottom on the connector on the bottom

    Now in the bottom parameter add the formula not(Top). What this does is turn off the Top parameter if the bottom one is selected, so you can only have one of the two active.

  5. #5
    Member Barth's Avatar
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    ....or, you could just hit the space bar to flip the unit on placement in the project. Have you considered that?

  6. #6
    Mr. Revit OpEd
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    The technique I've seen used well to provide alternate locations for one electrical connection is done by creating a small separate hosting element (usually a nested family) that can be rotated around the origin (centroid) of the panel. In other words the connector is hosted by a small element that can be rotated around the electrical family. If the family isn't symmetrical then you'll need to provide a way to calculate the correct diameter to base the rotation on so the connector host lands in the correct spot on the sides versus the top or bottom.

  7. #7
    Forum Addict josephpeel's Avatar
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    Try putting this in your family, or copy how it works.
    Its a round extrusion that can be rotated in plan or vertically. Load it into you r family and link the rotation parameters to your own. Place the connector on the end of the extrusion, in your main family, and it will move with the extrusion when you change its rotation or length.
    I use this method a lot for pipe and duct connectors, for example when you have an air terminal that is identical except with left, right or top connection options.
    Attached Files Attached Files

  8. #8
    Forum Addict tzframpton's Avatar
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    Quote Originally Posted by Giera View Post
    Hello Guys.

    I have a question, i will show you what what i'm talking about on pic:


    I want to put in my family this option. I want to choose where will be electrical connector on bottom or on top of my device.
    How to do it?
    At first, you'd think to put a small piece of geometry to support the conduit connector. Just seems logical. But, Revit's Conduit Connector has two options: Individual or Surface. If you choose Surface, this makes the entire surface available to have a conduit connector. And since the conduit will be the same size as the geometry for the connection point, it's almost useless to have one there to begin with.

    How it works is when you initiate the connector when it's loaded in a project, it goes into a quick edit mode to place the conduit location. Since you never know where the conduit connection will be, or how many you'll need, it's virtually impossible to approach it in a single family with the way you're attempting with individual connectors. The surface connector method also allows as many conduit connections as you wish, all from the same connector (just repeat the steps after each connector is placed).

    So, go for the surface connector and place on all sides a connection can happen. You can even have a blank Project with your Family loaded with multiple instances of the family showing numerous typical variations of conduit locations and sizes already in place in which you can copy/paste into real projects, so you don't have to always repeat the steps one by one. The screenshot attached will show you how you know you've properly placed a surface connector. Hope this helps.

    -TZ

    *EDIT*
    In your original post, you do mention "electrical connector". This is its own type of MEP connector, which I'm assuming you're actually meaning the "conduit connector" instead. Electrical connector is information based, Conduit connector is model based. Just to make sure.
    Attached Thumbnails Attached Thumbnails Family properties, choose parameter-condsurfaceconn.png  
    Last edited by tzframpton; July 5th, 2016 at 12:55 AM.
    josephpeel likes this.

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