There was a bug with mris_make_face_parcellation that merged some of the rois together when you tried to run the command twice to subdivide the parcellations further. So if you want to use it for this purpose make sure you use the newest version as it has been fixed now.
Best, Maritza On Tue, 18 Jun 2013, Bruce Fischl wrote: > Hi Jeff > > there are two utilities we provide for this (and yes, David is always > correct!): > > 1. mris_make_face_parcellation - create approximately unifom-sized parcels > using icosahedral subdivisions. These can be uniform in the native space > using the ?h.sphere, or in register and uniform in the group space using > ?h.sphere.reg. > > 2. mris_divide_parcellation - divides an existing annotation file (e.g. > lh.aparc.annot) either with a specific set of divisions specified by the > user, or so that no individual parcel is greater than a specified surface > area. > > cheers > Bruce > > > On Tue, 18 Jun 2013, Jeff Eriksen wrote: > >> I just attended the pre-OHBM FSL/FS course, and spoke to David Salat there >> about possibilities to create more detailed sub-parcellationsfrom the two >> major structural atlases. Could someone please let me know if David was >> right that such tools exist, and/or point me to them? >> >> My goal is essentially to create relatively equal-area parcellations with >> say 100, 200, 500, 1000, 2000, 5000, etc. ROIs per hemisphere, retaining >> some type of labeling to indicate where each ROI came from. >> >> Thanks, >> -Jeff >> >> PS I am at the HBM meeting through mid-day Thursday if someone here is >> able to talk to me in person (maybe even David!). My cell is 971-533-3942 >> if someone in Seattle wants to call or text. >> >> >> _______________________________________________ >> Freesurfer mailing list >> Freesurfer@nmr.mgh.harvard.edu >> https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer >> >> >> > _______________________________________________ > Freesurfer mailing list > Freesurfer@nmr.mgh.harvard.edu > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer > > > _______________________________________________ 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.
