Notify of changes from some scene viewer setters. https://tracker.physiomeproject.org/show_bug.cgi?id=3891
Notify of changes from some scene viewer setters. https://tracker.physiomeproject.org/show_bug.cgi?id=3891

OpenCMISS/zinc,OpenCMISS/zinc,OpenCMISS/zinc,hsorby/zinc,hsorby/zinc,hsorby/zinc,OpenCMISS/zinc,hsorby/zinc