ENH: Implement PrintSelf

Change-Id: If79872944e473a495fdedbcc005a832afc92a033
Merge branch 'clip_volume' into aashish24-master

Change-Id: I513b950510a8d10c4546c2504f1889327091f04e
WIP: Clipping volume when zooming in

Change-Id: I84c2342601b50a65f391ec43f130b866bc3dc154
WIP: Reinserted old code to see if it works

Change-Id: Ie87e65a2f774c4f20166ec513a0078da8f6e2411