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Yes, that’s what I figured. Given that, one thing I am trying to avoid is loading all of the target surface parcels for every seed parcel. If I don’t include targets and instead pass all of the surface parcels as seeds, what options do I need to flag to generate the seed to seed matrix? I know I can reconstruct it in MATLAB from the coords and matrix1 files, but I haven’t figured out a python solution, and I don’t know MATLAB that well. Also, can I suppress the seeds_to* files from saving somehow? Saving these out takes a significant amount of time. Thanks! > On Oct 3, 2017, at 11:54 AM, Matt Glasser <[log in to unmask]> wrote: > > Thanks Bruce. On a plane in the middle of the ocean so not able to check > so easy. > > Sounds like it is just a function of a large number of ROIs+Surfaces being > loaded. Ideally probtrackx would function such that only a single surface > was needed and then the much smaller ROIs could be specified separately > rather than the current behavior of having to have a combined surface+ROI > for each ROI. Also the combined surface+ROI isn¹t really an official > GIFTI file type so other GIFTI software may not be able to understand it > (like Connectome Workbench). > > Matt. > > On 10/3/17, 11:34 AM, "FSL - FMRIB's Software Library on behalf of Bruce > Fischl" <[log in to unmask] on behalf of [log in to unmask]> wrote: > >> p.s. so 10242 vertices in fsaverage5 (v=vertices, e=edges, f=faces) >> >> cheers >> Bruce >> >> On Tue, 3 Oct 2017, >> Bruce Fischl wrote: >> >>> mris_euler_number $FREESURFER_HOME/lib/bem/ic5.tri >>> euler # = v-e+f = 2g-2: 10242 - 30720 + 20480 = 2 --> 0 holes >>> F =2V-4: 20480 = 20484-4 (0) >>> 2E=3F: 61440 = 61440 (0) >>> >>> total defect index = 0 >>> >>>> On Tue, 3 Oct 2017, Matt Glasser wrote: >>>> >>>> How many vertices is that? >>>> >>>> Matt. >>>> >>>> On 10/3/17, 8:54 AM, "FSL - FMRIB's Software Library on behalf of Max >>>> Bertolero" <[log in to unmask] on behalf of [log in to unmask]> >>>> wrote: >>>> >>>>> It is fsaverage5 resolution. >>>> >>>> >>>> >>> >>> >>> 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. >>> >>> >>> >>>