<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div class="">Is it possible to view more than three volumes in the volume viewer window? Whenever I open more than three, the least recent density contouring disappears. I can always go to the data tool bar and select it, but it gets teadious when you are juggling 4+ volumes classes and trying to observe the difference between them. <br class=""><br class="">Cheers,<br class="">BR<br class="">File attachment: volume_viewer.png<br class=""><img class="" apple-inline="yes" id="31713D37-BA48-497F-876E-A047D3475802" src="cid:B4E01728-661F-43CE-9C0B-80B9B16E6872@cgl.ucsf.edu"></div></body></html>