I a layout tab use shadeplot hidden/legacy hidden play around with that. then there is a checkmark in the plots dialog box the name of which Eludes me.
I typically have to overlapping viewports. One with the objects that I want to hide, and another with Autocad text and backgrounds etc that I do not want to hide. This will keep the hidden objects from wiping out your backgrounds.
Overlapping seems to be the best solutions I have seen so far. It gives the results I'm looking for. I thought it would be a lot of hassle but it really isn't. You just copy your finished paper space view port and turn off backgrounds in one and duct in another. I just though AutoDesk would have addressed this issue a long time ago seeing how a large amount of the purchasers and users are in construction.
Our field uses elevation tags too but at a glance its quicker for them to see dashed lines verses hunting the tags down. Its just what they are use to, and I have to conform.
