need element help

How do you change the roll number back to 0 degrees. EXample after I made a loop I put a camelback next.The track is now facing up train on top,but the roll says 180. Is there anyway to get this number back to 0. Thanks

Sounds like you have Con-roll left on. Click the vertex affected, and hit the conroll button in the upper right corner of the editor.

There is no editor in the right corner.I am talking about sm.

The short answer is that you can't set it back to 0 because it isn't at 0, it's at 180 [:)]