Formula to Select 1 of 4 Options?

[matt.fleming]

Hello.

I'm trying to create a formula so the user can select 1 of the 4 visibility options I have set.


vis1
vis2 = not(vis1)
vis3
vis4 = not(vis3)

Currently I can only togle between pairs of two using the NOT operator. This is no good.

Does anyone know how to only be able to make "TRUE/CHECKED" only ONE of the visibliity options?

Normal, in PHP or HTML you can use if, than, else statements but this is not working for me in Revit.



Thanks

Matt

[Alfredo Medina]

Hello.

I'm trying to create a formula so the user can select 1 of the 4 visibility options I have set.


Please refer to this other thread:
http://forums.augi.com/showthread.php?p=1100290#post1100290

[saeborne]

I've never been able to do this with a calculation parameter. If you find a working solution, please do share. The only work around I've been able to find deals with nested components.

So you make 4 different families that represent each option, and call them OPT 1.rfa OPT 2.rfa etc. Load each of those 4 into a "Shell" family.

Then make a family type parameter for the nested families. The user will get a pull down that says OPT 1, OPT 2, OPT 3, OPT 4.


Edit... I just looked at your link, Alfredo. I like that "See Object #" parameter. Pretty elegant.