[HCP-Users] How to safely unmount /s3/hcp

Hello all, Following the steps on https://wiki.humanconnectome.org/display/PublicData/How+to+Create+an+EC2+instance+for+HCP+Pipeline+Processing allows me to mount HCP_900 onto /s3/hcp in my EC2 spot instance. I've changed my /etc/fstab from "HCP_900" to "HCP_1200" for the 1200 release data,

Re: [HCP-Users] gradient nonlinearity correction question

Hi Kristian, Have you moved table? If you moved the table, you should manually subtract it from qform, sform, and/or affine matrix in the nifty header. Best, Joo-won --- Joo-won Kim, Ph.D. Postdoctoral Fellow Translational and Molecular Imaging Institute Icahn School of Medicine at Mount Sinai

Re: [HCP-Users] gradient nonlinearity correction question

First make sure you're using the right coefficient file, copied directly from the scanner. The Prisma should have a file called coeff_AS82.grad, so the one you used in your *second* command above should be correct. Second is to be absolutely sure your input is the uncorrected volume (*_ND). If

Re: [HCP-Users] gradient nonlinearity correction question

Thanks Keith, Cropping is turned off by default in the version of dcm2niix that I'm using but I re-ran the conversion with "-x n" anyway. I also used fslreorient2std as per your suggestion. Unfortunately, the result is still the same. Do you have any other ideas? Cheers, Kristian

Re: [HCP-Users] questions about using HCP surface ROIs in prob-tracking

Dear Tim, Great to know. Thank you so much for your kind patience and help! :) Best regards, Xinyang At 2018-04-09 02:52:06, "Timothy Coalson" wrote: Yes, vertex-based data is not tied to any volume space, whether it is stored in cifti or gifti. Tim On Sun, Apr 8,