Yes, it can. You can also use mris_apply_reg, which is probably easier to use. Run it with --help to get more info
On 11/29/2018 12:18 PM, 1013364183 wrote: > > ?0?2?0?2?0?2?0?2?0?2?0?2?0?2?0?2External Email - Use Caution > > Dear Bruce, > ?0?2 ?0?2I want to know if mri_surf2surf can map high resolution meshes to > low resolution meshes or low resolution meshes to high resolution > meshes. If so, what should be done specifically. > > Thanks in advance > yours yujunjie > > > ------------------?0?2?????????0?2------------------ > *??????:*?0?2"Bruce Fischl"<fis...@nmr.mgh.harvard.edu>; > *????????:*?0?22018??11??30??(??????) ????0:24 > *??????:*?0?2"Freesurfer support list"<freesurfer@nmr.mgh.harvard.edu>; > *????:*?0?2Re: [Freesurfer] ?????? ?????? Triangular mesh sampling problem > > yes, sorry, I can't think of a way to do it with existing binaries (maybe > someone else can?). The only alternative I can think of is to use the > various fsaverage meshes instead of the subject meshes. Then the > "projection" becomes trivial as the lower res meshes are just the first N > vertices in the higher res ones. > > cheers > Bruce > > > On Fri, 30 Nov 2018, 1013364183 wrote: > > > > > ?0?2?0?2?0?2?0?2?0?2?0?2?0?2?0?2External Email - Use Caution > > > > Dear Bruce, > > ?0?2 ?0?2Thank you very much for your reply, I will try the method you > said. But I still want to confirm that the > > operation in the implementation diagram (attached) must change the > source code? > > > > Thanks in advance > > yours yujunjie > > ------------------?0?2?????????0?2------------------ > > ??????:?0?2"Bruce Fischl"<fis...@nmr.mgh.harvard.edu>; > > ????????:?0?22018??11??29??(??????) ????11:46 > > ??????:?0?2"Freesurfer support list"<freesurfer@nmr.mgh.harvard.edu>; > > ????:?0?2Re: [Freesurfer] ?????? Triangular mesh sampling problem > > > > Hi yujunjie > > > > there is source code in mrishash.c and mrisurf.c for this kind of thing, > > e.g. MHTfindClosestVertex. We don't have any complete code that will do > > exactly what you want though, so you will have to poke around in the > source > > yourself I'm afraid. > > > > cheers > > Bruce > > > > > > On > > Thu, 29 Nov 2018, 1013364183 wrote: > > > > > > > > ?0?2?0?2?0?2?0?2?0?2?0?2?0?2?0?2External Email - Use Caution > > > > > > Dear Bruce, > > > ?0?2?0?2I want to do the following, which source code should we use, and > if so, can you send me a > > > connection? > > > ?0?2 We now have high and low resolution images, we want to resample > each triangular surface mesh > > > generated from low-resolution data onto the corresponding > triangular surface mesh generated from > > > high-resolution data and vice versa as follows: For every vertex > in a low-resolution surface mesh we > > > found the closest point on the high-resolution surface mesh (which > typically fell within a triangle > > > face of the mesh), and defined a point at that location on the > high-resolution surface mesh > > > (subsequently referred to as ??sparse?? meshes).What should we do > to use freesurfer to do the above? > > > > > > Thank you in advance > > > look forward to your reply > > > yours yujunjie > > > ------------------?0?2?????????0?2------------------ > > > ??????:?0?2"Bruce Fischl"<fis...@nmr.mgh.harvard.edu>; > > > ????????:?0?22018??11??7??(??????) ????2:42 > > > ??????:?0?2"Freesurfer support list"<freesurfer@nmr.mgh.harvard.edu>; > > > ????:?0?2Re: [Freesurfer] Triangular mesh sampling problem > > > > > > Hi yujunjie > > > > > > we have code interenally that will do what you are asking, but no > binary, > > > sorry. You could download our source code and try to write your own, > > > although it will be a bit of a project. > > > > > > cheers > > > Bruce > > > On Tue, 6 Nov 2018, 1013364183 > > > wrote: > > > > > > > > > > > ?0?2?0?2?0?2?0?2?0?2?0?2?0?2?0?2External Email - Use Caution > > > > > > > > Dear FS > > > > We now have high and low resolution images, we want to resample > each triangular surface mesh > > > > generated from low-resolution data onto the corresponding > triangular surface mesh generated from > > > > high-resolution data and vice versa as follows: For every vertex > in a low-resolution surface mesh > > > we > > > > found the closest point on the high-resolution surface mesh > (which typically fell within a > > > triangle > > > > face of the mesh), and defined a point at that location on the > high-resolution surface mesh > > > > (subsequently referred to as ??sparse?? meshes).What should we > do to use freesurfer to do the > > > above? > > > > > > > > Thanks in advance > > > > > > > > yours yujunjie > > > > > > > > > > > _______________________________________________ > > > Freesurfer mailing list > > > Freesurfer@nmr.mgh.harvard.edu > > > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer > > > > > > > > _______________________________________________ > > Freesurfer mailing list > > Freesurfer@nmr.mgh.harvard.edu > > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer > > > > > _______________________________________________ > Freesurfer mailing list > Freesurfer@nmr.mgh.harvard.edu > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer > > > _______________________________________________ > Freesurfer mailing list > Freesurfer@nmr.mgh.harvard.edu > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
