Hi Frank, check out our coordinate systems page http://www.freesurfer.net/fswiki/CoordinateSystems doug
Frank Leone wrote: > Dear all, > > I wrote my own function to show the 3D surfaces in Matlab, works > splendidly. I now however want to be able to point out Tailarach/MNI > coordinates on the 3D surface. I however only have the x, y, z format > that is saved in the asc files, which is just where a certex is > located in space, with no relation to the original brain whatsoever. > The only thing I can retrieve is the vertex index (because that's in > the asc file). > > How can convert the 3D X, Y, Z values (the same values you get in the > console if you click on a point on the surface in tksurfer) to either > Vertex RAS/Talairach or Volume index? I read the information on > conversions between surface Talairach and Volume Index, that works, > but this case is different: I am actually referring to the 3D > locations of the vertices. Hopefully someone can help me, thanks a lot > in advance, > > best, > > Frank > > _______________________________________________ > Freesurfer mailing list > Freesurfer@nmr.mgh.harvard.edu > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer > > > -- Douglas N. Greve, Ph.D. MGH-NMR Center gr...@nmr.mgh.harvard.edu Phone Number: 617-724-2358 Fax: 617-726-7422 Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting FileDrop: www.nmr.mgh.harvard.edu/facility/filedrop/index.html _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer The information in this e-mail is intended only for the person to whom it is addressed. If you believe this e-mail was sent to you in error and the e-mail contains patient information, please contact the Partners Compliance HelpLine at http://www.partners.org/complianceline . If the e-mail was sent to you in error but does not contain patient information, please contact the sender and properly dispose of the e-mail.
