Hi G, I added some comments on your other OBJ Import thread at:
https://moi3d.com/forum/index.php?webtag=MOI&msg=10531.1

re:
> I'd love a bit more control in the show hide option. Its a touch annoying that
> if I hide all curves but then hide and subsequesntly reveal a surface it brings
> back the curves as well. If there was a touch more granluarity in the reveal
> opotion it would be grand.

There are a few different ways you can do this currentlly. One is using the Scene Browser, you can hide/show different categories of objects using the "Types" section of the scene browser.

Another way is to use the "Show subset" function. That is triggered by holding down the Ctrl key when you click on the Edit > Hide button. That will give you a display of the hidden objects and let you pick just one or some of them to show instead of showing all.

Another way to get granular show/hide is to assign your objects to a style an use the "Styles" section of the scene browser to show/hide just those objects, or assign a name to it and use the "Objects" section of the scene browser to target just objects assigned to that name.

- Michael