Hi Stephanie, I think you will need to use the dev version of Freeview for the "alpha" value to work properly.
hth d On Thu, May 5, 2016 at 12:08 PM, DeCross, Stephanie N. <sdecr...@mgh.harvard.edu> wrote: > Hi all, > > I’m trying to open a couple aseg.mgz labels and color code them. I thought > I’d do this by making my own ColorLUT table, setting the color of my > regions, and then making every other region in the table be completely > transparent by fiddling with the opacity value. I can’t figure out what > number I want in the opacity column to make a region totally transparent, > and on the wiki it says something about “255-alpha” for that column, but I > don’t know what that means. In the opacity column I’ve tried values 0, 1, > and 255, and it all looks the same (completely opaque) - anyone know what > value I want there? > > Attached is my ColorLUT table, which currently gives me yellow caudate and > green amyg and hippo (what I want), and the rest of the aseg.mgz labels are > all black (I’m trying to change all the black to 100% transparent so they > don’t show up at all and all I see are my yellow and green regions). > Thanks!! > > (If it’s relevant, I’m loading the fsaverage orig.mgz and aseg.mgz into > freeview and loading my ColorLUT table onto the aseg.mgz there, because I > can’t figure out how to get this working in tkmedit). > > Best, > Stephanie > > Stephanie N. DeCross > Clinical Research Coordinator > Psychiatric Neuroimaging Research Program > Martinos Center for Biomedical Imaging > Massachusetts General Hospital > 149 13th Street, Rm 2620A > Charlestown, MA 02129 > Phone: (617) 724-3283 > Fax: (617) 726-4078 > > > > > > _______________________________________________ > Freesurfer mailing list > Freesurfer@nmr.mgh.harvard.edu > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer > > > The information in this e-mail is intended only for the person to whom it is > addressed. If you believe this e-mail was sent to you in error and the > e-mail > contains patient information, please contact the Partners Compliance > HelpLine at > http://www.partners.org/complianceline . If the e-mail was sent to you in > error > but does not contain patient information, please contact the sender and > properly > dispose of the e-mail. > _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
