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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