546521.fig.004a
(a)
546521.fig.004b
(b)
546521.fig.004c
(c)
546521.fig.004d
(d)
Figure 4: Results of editing operations: (a) an original model on Co-Coot, (b) a changed model on Co-Coot, (c) the original model on VRMMS, and (d) the changed model on VRMMS.