glue-viz/glue — pull request #462 by astrofrog (2014-10-03 19:12:48+00:00)
Title: Reset ROI if it is restarted after being finalized. Fixes #460.

@ChrisBeaumont - this makes the PV slicer behave more like what I would expect it. It allows the ROI to be persistent until it is drawn again. There might be better ways of doing this though?