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Dear Bruce, Thank 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 ------------------ 原始邮件 ------------------ 发件人: "Bruce Fischl"fischl@nmr.mgh.harvard.edu; 发送时间: 2018年11月29日(星期四) 晚上11:46 收件人: "Freesurfer support list"freesurfer@nmr.mgh.harvard.edu;
主题: Re: [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:
External Email - Use CautionDear Bruce, I want to do the following, which source code should we use, and if so, can you send me a connection? 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 ------------------ ???????? ------------------ ??????: "Bruce Fischl"fischl@nmr.mgh.harvard.edu; ????????: 2018??11??7??(??????) ????2:42 ??????: "Freesurfer support list"freesurfer@nmr.mgh.harvard.edu; ????: Re: [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:
External Email - Use CautionDear 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
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