Forums >> Revit Building >> Technical Support >> Yes/No Parameters

raredmon

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WWHub

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For this to work, one parameter would have to exist and be set before the other and since there is no sequencing that I know of, I don't think there is any way you could do this. 

BUT ... you can use types in your families where you preset A not B or B not A..... 

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brettgoodchild

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Joined: Sat, Feb 4, 2006
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If I understand you, you want to be able to check on visibility check box and have another turn off?

You can do this by making one not equal the other in the formula area.

For example one I used on a title block recently:

 ________________________________________________________________

Parameter                   Value                  Formula

Minnesota Reg #         ######            = 

Wisconsin Reg#          ######            = not (Minnesota Reg #)

 ________________________________________________________________

 This way if I uncheck Wisconsin, Minneosta automatically turns on and if I check Wisconsin the Minnesota turns off.

HTH

Brett 

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WWHub

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brettgoodchild

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mattjfrank

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brettgoodchild-

This is great, but I'm curious if it's possible to do this with three options?

Here's the scenerio:

I have three visibility parameters created (justify right, justify left, centered), if one is checked the other two need to deselect.

So I set the first (Justify Right) to     =not(and(or(Justify Left, Centered)))

which works perfectly. If either Justify Left or Centered is checked it is deselected.

Now the problem is getting the other two to cooperate.

My first inclination was to write another similar formula for Justify Left =not(and(or(Justify Right, Centered))).

I receive a circular error script.

My next inclination was to simply write  Justify Left=not(Centered), which Revit accepts, but then Justify Right is lost in the loop.

Any ideas???

Thank you in advance!!

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CDWdavid

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Joined: Mon, Aug 4, 2008
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Hi Matt,

Here is my way to work around it.

Using integers and Y/N combination, please see my door schedule and open any door family in that thread to see the formula.

And go to door schedule, change the value for "Door Type", you will see the changes for "(2) DOOR TYPE", also it controls the visibilities on door panels.

Here is the thread, http://www.revitcity.com/downloads.php?action=view&object_id=11969

Hope that may provide some ideas.

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dingohot

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Joined: Mon, Mar 15, 2010
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make one more parameter of types (ex: 1=left, 2=right, 3=center..)

and give formulas at the rest..like

left=type=1

right=type=2

center=type=3

then you can change all parameters just with type parameter.

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