On May 16, 2012, at 10:28 AM, Elaine Meng wrote:

I can't address the registration issue, the others will need to look into it.

Martin also submitted this separately as a bug report.  He is running version 1.3 and needs to upgrade to a recent version to get the fix for this registration problem.

--Eric

                        Eric Pettersen

                        UCSF Computer Graphics Lab

                        http://www.cgl.ucsf.edu