Sorry, I'm not sure what you mean. I have a saved gifti file that I'm reading into matlab and a matrix that I've made that I want to output as a gifti. Can you specify the array?
On Tue, Mar 14, 2017 at 7:04 PM, Glasser, Matthew <[email protected]> wrote: > I was referring to the array you read into matlab. > > Peace, > > Matt. > > From: Rita Elena Loiotile <[email protected]> > Date: Tuesday, March 14, 2017 at 6:01 PM > > To: Matt Glasser <[email protected]> > Cc: "[email protected]" <[email protected]> > Subject: Re: [HCP-Users] GIFTI read and save in Matlab > > both the gifti.cdata and the matrix have dimensions 32492 by 209. > > On Tue, Mar 14, 2017 at 5:29 PM, Glasser, Matthew <[email protected]> > wrote: > >> Is the input file only a single column? >> >> Peace, >> >> Matt. >> >> From: Rita Elena Loiotile <[email protected]> >> Date: Tuesday, March 14, 2017 at 3:34 PM >> >> To: Matt Glasser <[email protected]> >> Cc: "[email protected]" <[email protected]> >> Subject: Re: [HCP-Users] GIFTI read and save in Matlab >> >> Hi Matthew, >> >> Thanks for the help. I have 2 versions on my lab computer, both give the >> same problem. It seems like the newest version of GIFTI (according to >> artefact) is 1.6. Please let me know if there's a newer one that I'm >> missing. >> >> I've attached screenshots of the info, in case there is really something >> obvious that I'm doing incorrectly. >> >> Thanks again, >> Rita >> >> On Tue, Mar 14, 2017 at 7:43 AM, Glasser, Matthew <[email protected]> >> wrote: >> >>> Do you have the latest version of the GIFTI matlab toolbox? >>> >>> Peace, >>> >>> Matt. >>> >>> From: Rita Elena Loiotile <[email protected]> >>> Date: Tuesday, March 14, 2017 at 1:27 AM >>> To: Matt Glasser <[email protected]> >>> Cc: "[email protected]" <[email protected]> >>> Subject: Re: [HCP-Users] GIFTI read and save in Matlab >>> >>> Hi Matthew and HCP, >>> >>> Thank you for the suggestion, Matthew. I tried this a while back, and >>> have since forgotten it. I thought it might work (on account of preserving >>> some internal info). It is also the case that re-saving the original gifti >>> under a new name produces a file that opens properly in other viewing >>> software. That suggested that this was the right approach. >>> >>> Unfortunately, I can't seem to assign new values to the original >>> gifti.cdata. >>> >>> The command "gnew.cdata=M" yields the following: Error using >>> gifti/subsasgn (line 95) Syntax not implemented. >>> >>> Perhaps this has been updated if it works for you? A very dumb >>> workaround for this would be to loop through every possible index of the >>> matrix M and assign each value separately. However, I'd very much like to >>> avoid this if possible, since it's quite slow. >>> >>> Please let me know if this works for you, and/or if I am missing >>> something obvious. >>> >>> Thank you again, >>> Rita >>> >>> On Mon, Mar 13, 2017 at 11:04 PM, Glasser, Matthew <[email protected]> >>> wrote: >>> >>>> I find it better to reuse the GIFTI object one read into matlab in the >>>> first place: >>>> >>>> gnew=g; >>>> gnew.cdata=M; >>>> save(gnew,’saveName.gii’); >>>> >>>> Peace, >>>> >>>> Matt. >>>> >>>> From: <[email protected]> on behalf of Rita Elena >>>> Loiotile <[email protected]> >>>> Date: Monday, March 13, 2017 at 8:00 PM >>>> To: "[email protected]" <[email protected]> >>>> Subject: [HCP-Users] GIFTI read and save in Matlab >>>> >>>> Hi, >>>> >>>> I’m hoping someone can recommend a fix for a problem I’m having. I >>>> have been using GIFTI library (http://www.artefact.tk/softwa >>>> re/matlab/gifti/) to read GIFTIs into Matlab and perform >>>> computations. I would like to save as a gifti. Using the software, I have >>>> tried the following: >>>> >>>> M; % matrix of values [vertices by timepoints] >>>> g=gifti(M); % converts my matrix to a gifti object with M stored under >>>> g.cdata; >>>> save(g, ’saveName.gii’); >>>> >>>> This seems to work fine. I can re-load the saved gift into Matlab— >>>> newGifti=gifti(’saveName.gii’);— and it looks correct. However, when >>>> I try to open saveName.gii using a non-Matlab visualization software— e.g. >>>> tksurfer, wb_view, freeview— I either encounter errors or load what looks >>>> like a gift containing all 0’s. >>>> >>>> Has anyone had success using GIFTI library to save or is there an >>>> alternative technique? >>>> >>>> Thank you very much in advance, >>>> Rita >>>> >>>> _______________________________________________ >>>> HCP-Users mailing list >>>> [email protected] >>>> 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. 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