[Freesurfer] intensity values of original T1 rounded to next integer

2011-01-11 Thread Micheli, C.
Dear Freesurfers The command: mri_convert orig.mgz conv.mgz --conform generates a conform volume but the intensity values are rounded to the next integer. Do you know how to avoid this? Best Cristiano ___ Freesurfer mailing list Freesurfer@nmr.mgh.ha

[Freesurfer] saving an external mesh in RAS coordinates

2011-01-01 Thread Micheli, C.
Hi everybody, a very happy new year, with the hope 2011 will bring us near to our goals. I have a very simple question about surfaces in freesurfer. As i posted previously, i am trying to match white matter surface RAS coordinates with the corresponding anatomical volume. My attempt is to save an

Re: [Freesurfer] volume - surface shift in tkmedit

2010-12-25 Thread Micheli, C.
volume - surface shift in tkmedit > > Where did you get the vox2ras matrix that save_mgh takes? And what > space are the surface fiords in? There is extensive documentation on > our wiki fir the various coordinate systems we use > Cheers > Bruce > > > > On Dec 21, 2

[Freesurfer] volume - surface shift in tkmedit

2010-12-21 Thread Micheli, C.
Dear all I would like to write an MRI anatomical volume and a surface in freesurfer format. The surface is correspondent to the white matter tessellation, while the volume represents T1 anatomical slices, both obtained from softwares external to FreeSurfer. Using the two functions save_mgh.m an

[Freesurfer] tkmedit white matter editing

2010-12-20 Thread Micheli, C.
Dear all I am using the tkmedit GUI to add/erase pixel in a slice-wise fashion in order to subsequently apply a tessellation on the white matter. I launch the command cd subject/mri tkmedit -f brain.mgz -aux wm.mgz from linux shell (64bit CentOS), where brain.mgz is the anatomical MRI and wm is