The unwrap multiple objects is pretty new and a lot of scripts haven't been updated yet. I'm kind of surprised polyboost hasn't been updated yet. but then again I'm not, the maxscript help doesn't really include ways to work with multiple selection unwraps, It's been updated with new click-able graphics but seems to assume…
dont get your hopes to high,- it seems that the feature of editing multiple objects in UVW-unwrap is messy supported - autodesk you did it again :( details in the follwing link http://area.autodesk.com/index.php/forums/viewthread/24712/ those commands in the link are essential to some align scripts that I wrote perhaps…
I put some Polyboost tools (align horizontal/vertical, mostly) in my uvw quad-menu, and apparantly they only work on single objects, not 2009's multi-object unwrap. Any way around this, or any great scripts that can do this? I'm a max-noob (especially when it comes to customisation), so I thought I'd poke the green…