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Thread: Assigning Parametric Profiles to Sweeps

  1. #1
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    Assigning Parametric Profiles to Sweeps

    Hello:

    I've spent a descent bit of time assembling a Structural Framing Family that generates a 3-Dimensional Truss. I've assigned element profiles to sweeps that flex with the parametric geometry of the assembly. While I can modify the individual sweeps with a pull down menu in the property menu, I can't seem to assign this value to a profile parameter.

    Any advice on this, or am I jumping beyond the program limits?

    Thanks,
    Tabitha
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    Forum Co-Founder Twiceroadsfool's Avatar
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    Profiles cannot be Labeled with a Family Type Parameter. The only way to achieve it is:

    1. Seperate sweeps with different profiles and visibility parameters.

    2. Nested families with different profiles.

  3. #3
    Forum Co-Founder Alfredo Medina's Avatar
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    Quote Originally Posted by Tabitha
    Any advice on this, or am I jumping beyond the program limits?
    The way you are doing this is very difficult and time consuming. You are not even using arrays. About family type parameter for the profile of a sweep, it does not work in the generic templates. I don't know if there is a change about that in Revit 2014, but up to 2013 it was not possible. It is possible in the adaptive templates, though, which is a better way to make this kind of trusses, because instead of doing member by member as you are doing, you could create a panel with one "pyramid", and then have that panel repeat along a path. Of course it has some learning curve, but at the end, the truss gets done, and the truss is parametric and flexible.
    Attached Thumbnails Attached Thumbnails Assigning Parametric Profiles to Sweeps-4-26-2013-5-41-14-pm.jpg  
    Last edited by Alfredo Medina; April 26th, 2013 at 10:08 PM.

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    Create one truss family for each profile type: one family for WT, one for HSS, etc.

    For the WT family, for instance, load a single WT profile (make a profile family with only one size in it), apply the profile to all the sweeps, then, in the truss family, create dimension type parameters for all the WT profile dimensions (tw, tf, k, d, bf), and the structural parameters if you wish. Then, in the truss family, open the type properties of the single WT profile and link each parameter value to the parameters you created in the truss family.

    Now copy the parameter definition text file used for a WT family (looks like the profile family you have doesn't have a text file ... your WT framing family should. If not, I have one), and place it in the same folder as your truss family, giving it the exact name of your truss family.

    Now when you load the WT truss family to a project you will have the option to load as many types as you need: WT6X7, WT6X8, etc., just like your typical framing family.

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