Ah, I see. Thank you both for the swift and thorough answer to my question!
Kelli > On Mar 23, 2017, at 4:06 PM, Timothy Coalson <tsc...@mst.edu> wrote: > > The -cifti-convert command is intended as a hack to squeeze cifti data into > formats that aren't designed for it, don't read too much significance into > the details. The first and second dimensions in this nifti file (which I > have referred to as "fake" nifti, because it isn't a sane volume file, and > doesn't contain information about what it really is) are a workaround for the > fact that nifti-1 can only support dimensions of length 32,767 maximum. > Cifti files in our standard space have a dimension of 91,282. 32,767 x 3 is > chosen because it is larger than 91,282, such that we can fit all the indices > into it. > > As Matt said, for using MRI-derived cifti files in matlab, we recommend using > the "ciftiopen" and related scripts in option B here: > > https://wiki.humanconnectome.org/display/PublicData/HCP+Users+FAQ#HCPUsersFAQ-2.HowdoyougetCIFTIfilesintoMATLAB? > > Tim > > > On Mar 23, 2017, at 4:02 PM, Glasser, Matthew <glass...@wustl.edu> wrote: > > You can use our CIFTI Matlab tools to read the matrix into matlab (2B on > this website): > > https://wiki.humanconnectome.org/display/PublicData/HCP+Users+FAQ > > It will be 91282 Grayordinates X 1200 time points. For more information > on the CIFTI file format and Grayordinates, please see this publication: > > http://www.sciencedirect.com/science/article/pii/S1053811913005053 > > Peace, > > Matt. > > On 3/23/17, 12:32 PM, "hcp-users-boun...@humanconnectome.org on behalf of > Cannon, Kelli E" <hcp-users-boun...@humanconnectome.org on behalf of > kecan...@uab.edu> wrote: > >> Hello, >> >> I am wanting to work with the S1200 fix-denoised resting-state data in >> MATLAB. I am able to get the data into matlab, but have not been able to >> figure out exactly what the >> rfMRI_REST1_RL_Atlas_MSMAll_hp2000_clean.dtseries.nii file, for example, >> contains. When I dump the data into nifti format using wb_command >> -cifti-convert, the nifti file contains a 32,767 x 3 x 1 x 1200 matrix. >> I¹m sure that the first dimension corresponds to the grayoordinates and >> that the fourth dimension corresponds to the time points, but would like >> to know what the second dimension corresponds to. >> >> >> Best regards, >> >> Kelli Cannon >> Graduate Student >> UAB Department of Vision Science >> kecan...@uab.edu >> >> >> >> >> >> _______________________________________________ >> HCP-Users mailing list >> HCP-Users@humanconnectome.org >> http://lists.humanconnectome.org/mailman/listinfo/hcp-users > > > ________________________________ > The materials in this message are private and may contain Protected > Healthcare Information or other information of a sensitive nature. If you are > not the intended recipient, be advised that any unauthorized use, disclosure, > copying or the taking of any action in reliance on the contents of this > information is strictly prohibited. If you have received this email in error, > please immediately notify the sender via telephone or return mail. > > _______________________________________________ > HCP-Users mailing list > HCP-Users@humanconnectome.org > http://lists.humanconnectome.org/mailman/listinfo/hcp-users _______________________________________________ HCP-Users mailing list HCP-Users@humanconnectome.org http://lists.humanconnectome.org/mailman/listinfo/hcp-users
