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Creating Alignment Reference in a Family

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    Creating Alignment Reference in a Family

    I'm creating a mullion cap family in Revit 2016. I've created it as a column family so that it can be driven by base and top constraint. I want to be able to snap the center reference of the cap to the vertical grids on my curtain wall (so it can similarly snap onto the mullion). I am struggling to find a way to add a reference to align to in the family. I've tried adding symbol lines and reference lines, set to 'strong reference,' but nothing seems to work:

    Attached Files

    #2
    I've never used a column family template, so that may have something to do with it. Usually it is very easy to get references in the family, and much more time consuming to turn off stray ones you don't want. What is the reference plane in the center of the mullion cap set to? If you want that be the snap point I'd set it to "center (left/right)" Is that plane also the origin? You shouldn't need lines to make a snap point, if you are still having problems I'd try creating it from the generic template (there is a two level version).
    Julie Kidder
    Architect + BIM Director
    Hartman + Majewski Design Group

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      #3
      The Middle ref line is set to "center (Left/Right)", strong reference, defines origin box is not toggled. However, I realized that when I am in an Elevation view, the ability to snap to this ref line is available.. so it's just a 3D alignment that I can't seem to use. Is there a reason this alignment reference only applies in elevation view and not in 3D view? Could I change it somehow for 3D use? I'll try creating the family in a generic template and see if that helps for the time being

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        #4
        Everything except "Not a reference" should allow you to snap to it in the project. My guess is that the column template may have extra, hidden stipulations that only have the reference planes set as origin available to snap to, since typically columns are snapped to a single grid point in plan. Other family types, like generic annotations, also only have the origin snapable.
        Julie Kidder
        Architect + BIM Director
        Hartman + Majewski Design Group

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          #5
          I recreated the family as a generic, level-based, family. The same problem is arising.. it only snaps to the "origin" line in Elevation, and not in 3D. The ref line props look like this:
          Attached Files

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            #6
            Reference planes can only be snapped to in views that are perpendicular to them, so you won't be able to snap the reference in a 3D view.

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              #7
              Ah I didn't catch that you were trying to do it in 3d. Unless there is something modeled at the plane you won't be able to align in 3d - do so in a plan or elevation view. I'm not aware of any family where that is different.
              Julie Kidder
              Architect + BIM Director
              Hartman + Majewski Design Group

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                #8
                Right... Now I'm going back and trying it for other components and it seems that way. Don't know why I thought I could do that. Looks like I'll have to adjust in Elevation/Plan views. Thanks for the help!

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