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Forums >> Revit Building >> Technical Support >> Centering curtain wall mullions on project grid
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Joined: Wed, Aug 29, 2012
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Hey all,
I'm using Revit Architecture 2013
I was wondering if there might be a feature in revit that would allow us to automatically align some of the mullion in a curtain wall on our project (construction) grid.
We have grid lines 6400 apart from each others, and I've set the curtain wall grid to 800 fixed distance. What I do now is I measure the distance between a curtain wall mullion and the project grid and set that as the offset for that particular wall, but this means every time the wall moves I have to change it.
A friend told me about adaptive families and I was wondering if there is a way to do the same for wall types.
Cheers
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Joined: Tue, May 16, 2006
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Please explain furthur. Are you saying you set the offset of the components from the CW location line?
A plan with some notes might help here.
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I set the offset in the properties of the individual curtain wall so the mullion would sit centered on the grid line (see image)
Not only do I need to do this manualy, but on many occasions the offset gets messed up and I need to re-enter it (that is, the number is there but the mullion is not centered anymore, so I need to enter a different offset and then return it to the correct one)
What I would love it to do is centre on the gridlines automatically
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Sorry, but I think this is a bad process.
I personally like to keep the curtain wall location line at the exterior face of the mullions. The panels are then correctly set to offset from this line. I do this so that on segmented "curved" walls, I can dimension the CW correctly along the face. This allows all of my mullion and panel types to have the same offset.
Then in your case, you simply dimension from your grid to the CW location line (and lock it if you like).
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I'm not sure if I was clear, sorry
I am not talking about the distance between the exterior face of the mullions and the curtain wall line, which is drawn at the exterior face of the brick below/above. This distance is set in the mullion type according to my specification, we don't have curved walls, for those I might use a different CW type.
I am talking about the location of the CW grid lines. I need one of every 8 of those grid lines adjusted to my project grid (project grid is 6400, CW is set to 800 fixed distance). So if I'm drawing a CW left to right on plan, the mullion is adjusted to a project grid line (or lines) going perpendicular to the CW. Does that make sense?
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We can only answer according to what you right and communication is really hard with only words.
So you are saying that you will possibly have an irregular grid spacing because you want to align mullions near your grid to that grid but none of the others will move.
If that is correct, then you will have to unlock those CW grids (assuming you have pre-set CW spacings) and manualy aline those grids.
If you would have your CW setup with preset spacings that are spaced to match your project grid, you could always place it to match the grid then just unlock and change the ends.
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I posted an image in a previous comment, please let me know what kind of image you may need.
I don't need just one mullion moved, but all of them. I already know how to do this manually - I measure the distance between the CW grid and the project grid and type that in the vertical mullion offset box of the specific CW. I was wondering if there is a way to get this done automatically.
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Sorry but we are still not communicating. Your image did very little to clarify what you want. I see mullions lined up with your grid but I can't see anything else.
What does this mean? "...I measure the distance between the CW grid and the project grid and type that in the vertical mullion offset box of the specific CW...." << This doesn't make any sense. Did you read my last post because you didn't answer if you had curse spacings. If you do, then just aline that vertical CW grid to your building grid in plan or elevation. You don't have to do anything like what you are trying to say.
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I'm sorry, this isn't moving anywhere.
I don't know what curse spacing means. I set the CW type to fixed spacing for the vertical mullions - 800mm.
I need a CW that has the following properties:
mullions 800 mm apart from each other on centre
every 8th mullion is centered on my project grid
first and last mullions do not need to apply to that rule
I now do this by offseting the verticle mullions in the CW properties.
The image I posted shows the CW already fixed.
I was wondering if there is an automated way to do this instead of me going to every CW individually. I heard that adaptive families can do things like that but I don't know about CW types. Is there a way to edit the CW type in a family editor kind of working environment?
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Again - this process is not the way to go: "...I now do this by offsetting the vertical mullions in the CW properties. ..."
Although you gave us your mullion spacing, you have still not told us if that works out to be an even division of your grid spacing! I am hoping that the CW grid is an even division of your project grid.
There are two types of curtain walls.
- Fully or partially defined (automatic or pre-set) curtain walls that have spacings an or mullions defined and there are manual CW's that have noting defined. With preset curtain walls, you have to unlock individual items to change them. (Grids are pinned - see image- Un-pinning the grid allows you to move it) <<This is why you could not do what I suggested.
- Manual CW's have nothing defined and therefore no locks. But you have to add all items.
In most projects, we like to use the automatic initially, then we switch it to fully manual so we can adjust all components. When you do that, there will be a warning (see attached) - Just say OK - don't delete the grid lines.
As I wrote earlier, "...If you would have your CW setup with preset spacings that are spaced to match your project grid, you could always place it to match the grid then just unlock it and change the ends...." OR place it so it aligns and then change to manual and move the ends of the CW.
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When you say "...If you would have your CW setup with preset spacings that are spaced to match your project grid, you could always place it to match the grid then just unlock it and change the ends...." by unlock do you mean unpin?
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Either unpin- or change the whole CW to manual - that unlocks everything.
On manual CW's, we usually do the following - see image. dimension all interior mullion grids and lock. Then dim the controlling mullion grid. Then select that grid and change the temp dim to 0.
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Ok I'll give it a try and see if it works for us,
Thanks!
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