thanks Don

are you guys still using this function?

Bruce
On Wed, 25 Jan 2012, Don Hagler 
wrote:

> Hi Bruce and Amy,
> 
> I think that menu command actually outputs a binary file, which I would give
> a .dip extension. Some matlab code for reading one is included below.
> 
> Don
> 
> 
> function dipole_info=ts_read_dip_file(dip_file)
> % ts_read_dip_file.m:   read dipole file for calculating forward solution
> %
> % dipole_info=ts_read_dip_file(dip_file)
> %
> % read freesurfer dip file for the location and orientation of the dipoles
> % returns dipole_info containing x,y,z location and nx,ny,nz normal vector
> %
> % created:    05/07/05 by Mingxiong Huang as read_dipdec.m
> % early mod:  11/27/05 by Don Hagler as read_dip_file.m
> % last mod:   08/01/06 by Don Hagler
> %
> 
> dipole_info = [];
> 
> % make sure file exists
> [status,message,messageid]=fileattrib(dip_file);
> if (status==0)
>   fprintf('%s: file %s not found... quitting\n',mfilename,dip_file);
>   return;
> end
> 
> % read dip file to get the location of the dipole
> fprintf('ts_read_dip_file: reading file %s...\n',dip_file);
> fp=fopen(dip_file,'r','ieee-be.l64');
> [ch]=fread(fp,1,'uchar');
> [n_dipole]=fread(fp,1,'int32');
> dipole_info=fread(fp,[6,n_dipole],'float');
> fclose(fp);
> 
> fprintf('%s: %d dipoles\n',mfilename,n_dipole);
> 
> 
> 
> 
> > Date: Wed, 25 Jan 2012 17:35:22 -0500
> > From: fischl@nmr.mgh.harvard.edu
> > To: aguthorm@lanl.gov
> > CC: freesurfer@nmr.mgh.harvard.edu
> > Subject: Re: [Freesurfer] write dipoles function
> >
> > Hi Amy
> >
> > hmmm, no one has used that for ages that I know of! Looks like it is an
> > ascii file with:
> >
> > #!ascii
> > number of vertices
> > x y z nx ny nz
> > .
> > .
> > .
> > vnum nbr_0 nbr_1 ... nbr_(vnum-1)
> > .
> > .
> > .
> >
> >
> > where ... means it is repeated for # of vertices, <x y z> are the vertex
> > coords and <nx ny nz> is the surface normal
> >
> > On Wed, 25 Jan 2012,
> > Guthormsen, Amy M wrote:
> >
> > > Hello,
> > >
> > > I would like to try out the Tools-->surface-->write dipoles function,
> but I don't know how to read the file that it outputs. Do I need to use a
> special file extension when I name the file?
> > >
> > > Thank you,
> > >
> > > Amy
> > > _______________________________________________
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> > >
> > >
> > >
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