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Thread: Arrays and constraints

  1. #1
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    Arrays and constraints

    First time poster.

    Refugee from a different BIM platform struggling with Revit family creation.

    Making a simple duplicating linear family which calls the duplicating element (separate family)and sets its width W based on the overall length of the parent family , L and the desired number of instances, N.

    Controlling W for the duplicating element works but when using an array to duplicate the element using a reference plane controlled by W for the first duplicated element, it throws a "Constraints are not satisfied" error when changing N rather than adjusting the first duplicated element to the new position of the reference plane.

    Is there something about the groups created in Arrays that does not allow their position to be controlled/locked to a reference plane?

    help.

    (it would be so much easier to using code rather than Revit's formulas )

  2. #2
    Forum Co-Founder Alfredo Medina's Avatar
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    Quote Originally Posted by Badadoo View Post
    First time poster.
    Refugee from a different BIM platform struggling with Revit family creation.
    Welcome to this forum.

    Sounds like you are constraining the nested family in two places? For example, left side and right side, or bottom and top? That will create an error. Constrain only left and bottom (for example), and then associate height to height, width to width, and it should work. Adding a picture to this kind of questions would be useful.

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