Originally Posted by
BenSammis
You can do this by drawing the coverage area in your family and creating a parameter to toggle the visibility on/off. I've seen it with FA device families. It won't stop at the walls, but that shouldn't really matter. The problem, and the reason I don't use those FA families, is that that coverage area is part of the family and you'll constantly be mistakenly selecting the sprinkler when working anywhere within the coverage area. If you use hosted families, the entire coverage area also becomes a potential host surface. Unintended consequences suck.