On Wed, Mar 14, 2012 at 3:59 PM, Ji hoon Oh <
ojihoon@gmail.com> wrote:
> Thank you for your response.
> Although I followed your instructions, in my system, it seems that two
> coordinates are not the same.
>
> When I read sphere.reg through the function [vertices, faces] =
> read_surf('rh.sphere.reg'), the first row reads [-21.02, -94.94, -23.32].
> but when I use tksurfer and click the vertex #1, spherical X,Y,Z
> represents [27.92, -93.92, -15.44].
>
> When I reconstruct surface (blue colored label in the attached
> screenshot1) using the row number as the vertex index in MATLAB,
> two separate surfaces are presented in 3D space (screenshot2), not simliar
> to original one.
>
> I attached related screenshots and .mat file of my results.
>
> Thanks for your help again.
>
> with Regards,
> Jihoon Oh
>
>
>
> On Wed, Mar 14, 2012 at 3:16 PM, Thomas Yeo <
ythomas@csail.mit.edu> wrote:
>>
>> Hi Jihoon,
>>
>> You can just use read_surf.m, e.g.
>>
>> [vertices, faces] = read_surf('lh.sphere.reg');
>>
>> The vertices is a N x 3 matrix. Row 1 corresponds to vertex 1, etc.
>>
>> --Thomas
>>
>> On Wed, Mar 14, 2012 at 12:23 PM, Ji hoon Oh <
ojihoon@gmail.com> wrote:
>> > Dear FreeSurfer,
>> >
>> > Hi,
>> >
>> > I have a label with vertex index, RAS and overlay values, and want to
>> > add
>> > spherical coordinates to them as presented in tksurfer.
>> >
>> > I found following archives that are related to this question, but I
>> > couldn't
>> > find any vertex index (number) information in a sphere.reg file.
>> >
>> > (
http://www.mail-archive.com/freesurfer@nmr.mgh.harvard.edu/msg00627.html)
>> >
>> > I converted ?h.sphere.reg file into ?h.sphere.reg.asc
>> > using mris_convert command, and imported it to MATLAB
>> > using read_asc.m file
>> > (without face data).
>> > They had [x,y,z] coordinates in columns, but did not provide vertex
>> > index
>> > information.
>> >
>> > I wonder if there is a way to read the vertex index from a sphere.reg
>> > file,
>> > or there are other methods that read both vertex index and spherical
>> > coordinates.
>> >
>> > Thank you,
>> > Jihoon Oh
>> >
>> >
>> > --
>> > ---------------------------------------------------------------
>> > Jihoon Oh, M.D.
>> > Ph.D. candidate, Bio and Brain Engineering
>> > Korea Advanced Institute for Science and Technology (KAIST)
>> > E-mail:
ojihoon@gmail.com
>> > ---------------------------------------------------------------
>> >
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>
>
>
> --
> ---------------------------------------------------------------
> Jihoon Oh, M.D.
> Public Health Doctor
> --------------------------------------------------
> Sanyang public health subcenter
> Gyeongsangbuk-do, 745-822, South Korea
> +82-10-2712-2212 (Mobile)
> E-mail:
ojihoon@gmail.com
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