Re: [Freesurfer] [External] Re: Nonsensical Vertex Coordinates, please help with interpretation

2018-11-09 Thread Bruss, Joel E
marching cubes. On 11/05/2018 01:07 PM, Bruss, Joel E wrote: > > External Email - Use Caution > > Bruce- > > > Thank you for the reply. I'll try to summarize what I've done (and > please see the attached jpeg showing my coordinate examples). > > >

Re: [Freesurfer] [External] Re: Nonsensical Vertex Coordinates, please help with interpretation

2018-11-05 Thread Bruss, Joel E
External Email - Use Caution Can anyone help? From: freesurfer-boun...@nmr.mgh.harvard.edu on behalf of Bruss, Joel E Sent: Friday, October 19, 2018 9:26:39 AM To: freesurfer@nmr.mgh.harvard.edu Subject: Re: [Freesurfer] [External] Re

Re: [Freesurfer] [External] Re: Nonsensical Vertex Coordinates, please help with interpretation

2018-10-19 Thread Bruss, Joel E
ere near what I see in Freeview. -Joel ________ From: Bruss, Joel E Sent: Tuesday, October 16, 2018 3:53:19 PM To: freesurfer@nmr.mgh.harvard.edu Subject: Re: [Freesurfer] [External] Re: Nonsensical Vertex Coordinates, please help with interpretation Attached is a scr

Re: [Freesurfer] [External] Re: Nonsensical Vertex Coordinates, please help with interpretation

2018-10-16 Thread Bruss, Joel E
FreeView uses 0-based indexing and matlab uses 1-based? Eg, vertex 234741 in Freeview would be 234742 in matlab. You seem to be using 234740 in matlab below On 10/15/2018 05:11 PM, Bruss, Joel E wrote: > > External Email - Use Caution > > I'm trying to make a surface file

[Freesurfer] Nonsensical Vertex Coordinates, please help with interpretation

2018-10-15 Thread Bruss, Joel E
External Email - Use Caution I'm trying to make a surface file from a subject's head and to map coordinates to that surface. If I run: mri_seghead --invol $SUBJECTS_DIR/$sub/mri/T1.mgz --outvol $SUBJECTS_DIR/$sub/mri/seghead.mgz --fill 255 --thresh1 20 --thresh2 20 --nhitsmin

Re: [Freesurfer] [External] Re: SurfaceRAS to Vertex coordinate system

2018-09-04 Thread Bruss, Joel E
External Email - Use Caution Ah, that makes sense. Short of calculating a Euclidean distance between every surface RAS and my point I'd like on the surface, then grabbing the one with the shortest distance, is there a function/utility in FreeSurfer that will generate the closes

Re: [Freesurfer] [External] Re: SurfaceRAS to Vertex coordinate system

2018-09-04 Thread Bruss, Joel E
, 2018 at 12:40 PM Bruss, Joel E mailto:joel-br...@uiowa.edu>> wrote: External Email - Use Caution If I load, say, orig.mgz and lh.pial, in FreeView and lay my cursor on a point, I can see RAS (and surfaceRAS) as well as TKReg RAS (orig) coordinates. Following the

[Freesurfer] SurfaceRAS to Vertex coordinate system

2018-09-04 Thread Bruss, Joel E
External Email - Use Caution If I load, say, orig.mgz and lh.pial, in FreeView and lay my cursor on a point, I can see RAS (and surfaceRAS) as well as TKReg RAS (orig) coordinates. Following the steps laid out on the CoordinateSystems web page I can convert back and forth betw

Re: [Freesurfer] [External] Re: Differences in volume between mri_segstats and mris_anatomical_stats

2017-07-13 Thread Bruss, Joel E
Greve [gr...@nmr.mgh.harvard.edu] Sent: Wednesday, July 12, 2017 5:21 PM To: freesurfer@nmr.mgh.harvard.edu Subject: [External] Re: [Freesurfer] Differences in volume between mri_segstats and mris_anatomical_stats what is your mri_glmfit command line? On 07/12/2017 02:32 PM, Bruss, Joel E wrote

[Freesurfer] Differences in volume between mri_segstats and mris_anatomical_stats

2017-07-12 Thread Bruss, Joel E
I have a group of subjects, scans at time1 and time2 that have been run through the longitudinal stream. I have a group of ROIs in MNI space that I've been able to push up to fsaverage following the VolumeRoiCorticalThickness tutorial: https://surfer.nmr.mgh.harvard.edu/fswiki/VolumeRoiCortical