Re: [Freesurfer] Question: can't display retinotopy fieldsign data

2008-05-06 Thread Kai Hwang
in chmod a+x $FREESURFER_HOME/bin/tksurfer.bin Nick On Tue, 2008-05-06 at 16:55 -0400, Kai Hwang wrote: Hello Doug, Yes fieldsign maps were created by paint-sess without any problem, I was able to view my fieldsign overlays with surf-sess in stable-3 version, but not version 4. Kai Dou

Re: [Freesurfer] Question: can't display retinotopy fieldsign data

2008-05-06 Thread Kai Hwang
the same surf-sess problem as Kai. First I see the inflated brain and then the view screen turns black and nothing shows up. It is only for fieldsign map. eccentricity and polar maps look good. Any suggestions? Thanks, Elif On Thu, Apr 24, 2008 at 1:24 PM, Kai Hwang <[EMAIL PROTEC

[Freesurfer] converting fieldsign files into volume space

2008-05-01 Thread Kai Hwang
Hello Freesurfers, I recently used sfa-sess and paint-sess to analyze some retinotopy data, so far every works great. I wonder if there is a way to convert fieldsign overlays from surface space into volume space? I tried mri_surf2vol but it doesn't seem to recognize that file format: [EMAIL PROTEC

[Freesurfer] Question: can't display retinotopy fieldsign data

2008-04-24 Thread Kai Hwang
Hello, I'm trying to use freesurfer to map the visual cortex and get region borders of V1, V2.. etc. We used a conventional rotating/expanding wedge paradigm, and I followed the steps described in FsFastIndividualRetinotopy Analysis (https://surfer.nmr.mgh.harvard.edu/fswiki/FsFastIndividualRetinot