Sorry, I was saving it with the wrong extension. I am already able to open it in tksurfer! Thanks a lot,
Ines 2007/8/6, Inês Souta <[EMAIL PROTECTED]>: > > freesurfer v.3.0.5 for Linux-Centos4 > > > 2007/8/6, Bruce Fischl <[EMAIL PROTECTED]>: > > > > yes, you should be able to open it in tksurfer. What version of > > freesurfer do you have? > > On Mon, 6 Aug 2007, Inês Souta wrote: > > > > > And after creating the mgh volume, how can I read it? Is it possible > > to open > > > it in tksurfer? Should I load it as an overlay? > > > I've used one of my already pre-processed subjects, created a 'vol' > > with the > > > same number of vertices of one of the hemisferes, and saved the output > > of > > > save_mgh file as an rh.thickness.mgh file. However, when I don't seem > > to be > > > able to open it in tksurfer... > > > > > > Thanks > > > > > > Ines > > > > > > 2007/8/6, Bruce Fischl < [EMAIL PROTECTED]>: > > >> > > >> they don't matter. For a real volume they would be the ras2vox > > transform > > >> and the mr parameters. For your purposes they can be any 4x4 and you > > can > > >> leave the mri_parms one out (it will detect and fill it in with > > zeros). > > >> > > >> Send these to the list so other people can answer! > > >> > > >> Bruce > > >> On > > >> Mon, 6 Aug 2007, Inês Souta wrote: > > >> > > >>> Hi again, > > >>> > > >>> I still don't understand what all the input objects of save_mgh > > function > > >>> stand for. 'vol' is the vector of thickness values, 'fname' is the > > name > > >> of > > >>> the output .mgh file, and what about M and <mr_parms>? What do they > > >> stand > > >>> for and how should I define them? > > >>> > > >>> Thanks again, > > >>> > > >>> Ines > > >>> > > >>> 2007/7/31, Bruce Fischl <[EMAIL PROTECTED]>: > > >>>> > > >>>> Hi Ines, > > >>>> > > >>>> use the mgh route. The "vol" is actually the vector of thickness > > >> values, > > >>>> with one entry per vertex on the surface. > > >>>> > > >>>> cheers, > > >>>> Bruce > > >>>> On Tue, 31 Jul 2007, Inês Souta > > >>>> wrote: > > >>>> > > >>>>> Hello, > > >>>>> > > >>>>> I was trying to create a cortical thickness map with constant > > values > > >> in > > >>>>> order to perform some tests. At first I tried using mris_convert. > > I > > >>>>> converted my thickness file into ascii: > > >>>>> > > >>>>> mris_convert lh.thickness lh.thickess.asc > > >>>>> > > >>>>> then I used matlab to change all the values in the last column to > > 2,0. > > >> I > > >>>>> tried to convert the ascii file back to surface file by doing > > >>>>> > > >>>>> mris_convert lh.thicness.asc lh.thickness > > >>>>> > > >>>>> but I got "Segmentation fault". How can I convert may ascii file > > into > > >> a > > >>>>> surface one? > > >>>>> > > >>>>> After failling to acomplish this, I tried using the save_mgh and > > >>>> load_mgh > > >>>>> file, nevertheless I'm not quite sure which input values are > > needed. > > >>>> Where > > >>>>> can I put my fake values in the save_mgh file? And what is "vol"? > > >>>>> > > >>>>> Thanks, > > >>>>> > > >>>>> Ines > > >>>>> > > >>> > > > > > >
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