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Thread: flip family before placing family?

  1. #1
    JWR
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    flip family before placing family?

    Is it possible to flip a family before placing it?. I work with a lot of void family's in Structural family's if the orientation is wrong can not cut.....
    Like the space bar fot rotate.

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    It would depend on the context of your family.
    Assuming it has "controls" built into the family, tapping space bar will cycle through the placement options.
    If it is a void family, I have noticed a particular void family that was placing automatically with another add-in software that would place badly if the orientation was not properly managed during the placement of the family - yes your void family will need to be oriented properly or it will cut nothing....

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    JWR
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    Thanks for your reply. Your text is clear for me.

    Mine question is there a "space bar" like your description to flip the void before placing it. Like tapping the space bar to rotate. I want to flip.

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    it will depend on your void family.
    if you can, edit the family and under "create" tab, add a direction control (depending what you need, either vertical or horizontal control). Load the family back into your project and see if this gives you the control you want.

    The ability to flip the object must be included in the family itself.

    Generally the family will flip around the face of its host or perhaps the midline of the family. It will all depend on how the family has been designed really.

    So for example if the host is the face of a wall, flipping the family will flip it with the face as the pivot point.

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    JWR
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    flip family before placing family?-capture.pngPerfect description again. But.
    I try to make it work from two side off the family.
    We use a family to make a hole (blue).
    From de red side it goes good from the green side it does not. I can flip the family after i placed it on de red side and i get de errror can not cut. That is oke for me.
    I try to refrase the question. Can i flip the family before placing it and with buttons do i use?

  6. #6
    Forum Addict elton williams's Avatar
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    Quote Originally Posted by JWR View Post
    Click image for larger version. 

Name:	Capture.PNG 
Views:	6 
Size:	13.2 KB 
ID:	26723Perfect description again. But.
    I try to make it work from two side off the family.
    We use a family to make a hole (blue).
    From de red side it goes good from the green side it does not. I can flip the family after i placed it on de red side and i get de errror can not cut. That is oke for me.
    I try to refrase the question. Can i flip the family before placing it and with buttons do i use?
    Flip controls only work in plan (spacebar). Either make the void in your family extrude in both z directions or create a second void geometry and family type with a yes/no type visibilIity parameter to switch between the two. Then in project select correct type from the dropdown before placing.
    Last edited by elton williams; May 19th, 2016 at 09:13 PM.

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    Ok that confirms for me that your void places from the face of the object downwards.

    I'm not sure why this is an issue, just always place your voids in a plan view.

    But I would question why use a void family at all? You can use a cage opening and have this traverse multiple levels all at once.

    I have seen an add-in (MagiCAD) Logiciel de CAO pour l'ingénierie du bâtiment avec Revit | MagiCAD
    This addin will automatically place voids (using a similar void family) but it is predominantly designed for MEP and not structure.

    This add-in works well actually, you set a few rules (clearance around pipes/ducts for example) and it will punch holes through elements based on those rules but it does need a bit of micromanaging to get it to work nicely at the start. I used this add-in at another firm (actually I work in structures and I helped an MEP guy with the issues it was creating)
    One of the main issues it was having was as you describe, with void families doing weird rotations and this all had to do with which side of the slab/wall they were placing their void from.

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