[Freesurfer] label to asc

2019-07-23 Thread Sam W.
External Email - Use Caution Hi, Is it possible to convert a label file like rh.cuneus.label into asc? I tried mris_convert --label rh.cuneus.label ctx-rh-cuneus rh.white rh.cuneus.asc but got an error: ERROR: unknown file annot file type specified for output: rh.cuneus.asc Tha

Re: [Freesurfer] label to asc

2019-07-24 Thread Bruce Fischl
Hi Sam the labels are already ascii cheers Bruce On Tue, 23 Jul 2019, Sam W. wrote: External Email - Use Caution Hi, Is it possible to convert a label file like rh.cuneus.label into asc? I tried mris_convert --label rh.cuneus.label ctx-rh-cuneus rh.white rh.cuneus.asc but g

Re: [Freesurfer] label to asc

2019-07-24 Thread Sam W.
External Email - Use Caution Thanks Bruce. Can I ask you a very basic question? What exactly is the difference between a surface and a label file? I thought the difference was that the label file is just a normal text file containing the vertices that are used to construct a surfac

Re: [Freesurfer] label to asc

2019-07-24 Thread Bruce Fischl
Hi Sam they are not the same. A label is just a list of vertices in the surface (with some possibly voxel coordinates and also with a single value/vertex). It doesn't have to be ever vertex in the surface, and also contains no information about topology (e.g. which vertices are connected by an

Re: [Freesurfer] label to asc

2019-07-25 Thread Sam W.
External Email - Use Caution Thanks Bruce, that's helpful! I take it that it's not possible to create a surface file simply using the information in the label file then? The reason I'm confused is that "mris_convert lh.white lh.white.asc" will convert a surface file to asc. The con

Re: [Freesurfer] label to asc

2019-07-29 Thread Greve, Douglas N.,Ph.D.
The label file has much less info than the surface file (eg, does not have neighborhood relations). mri_label2vol requires that a full surface file be provided. It might not be obvious because it usually finds the surface based on the subject name. On 7/25/19 3:29 PM, Sam W. wrote: > >