an easy way to do this to within 15% or so is to compute the great circle
distance between the two vertices on the ?h.sphere file.
On Tue, 25 Oct
2011, Steph Bickel wrote:

> Hi Rudolph,
> thanks for your speedy response. 
> I want to get distance along vertices (the surface) between two vertex points. Is there maybe a matlab function doing this?
>
> Thanks,
>
> Stephan
>
> On Tue, Oct 25, 2011 at 10:54 AM, Rudolph Pienaar <rudolph@nmr....> wrote:
>       'mris_pmake' is still very experimental. It's not run as part of the standard recon-all stream, and is more of a post-processing surface
>       tool. It has a somewhat complicated set of dependencies at this stage (among them, a file called 'options.txt' that controls its behavior).
>
>       What are you looking to do with it?
>
>       Best
>       -=R
>
>
> On 10/25/11 10:51 , Steph Bickel wrote:
> Hi,
>
> when trying to use mris_pmake I get error messages:
> when I run:mris_pmake
> I get:
> sh: cannot create lock: Permission denied
>
> mris_pmake
> I'm sorry, but an error condition has occurred.
> While I was checking on the options file,
> I couldn't access the options file. Does it exist?
>
> Exiting to system with code 40
>
>
> When I run: sudo ./bin/mris_pmake
> I get:
> mris_pmake
> I'm sorry, but an error condition has occurred.
> While I was processing environment,
> it seems that the SUBJECTS_DIR env variable is not set.
>
> Exiting to system with code 10
>
>
> I did specify SUBJECTS_DIR in SetUpFreesurfer.sh that I source in the
> bashrc file and the variable is set for the other freesurfer functions.
>
> I am using   freesurfer-Linux-centos4_x86_64-stable-pub-v5.1.0 on ubuntu
> 11.04.
>
> Any help is much appreciated.
>
> thanks,
>
> Stephan
>
>
>
>
>
>
>
>
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>
>
> --
> Rudolph Pienaar, M.Eng, D.Eng / email: rudolph@nmr....
> MGH/MIT/HMS Athinoula A. Martinos Center for Biomedical Imaging
> 149 (2301) 13th Street, Charlestown, MA 02129 USA
>
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