On Dec 21, 2012, at 9:33 PM, Nimit Sohoni wrote:

> Update: I tried again using the example data on the website and using a .txt 
> file, and it did not freeze, although it did not load the file and said there 
> was an error in the format. However, I am confused at two things: 1. Why not 
> use a .csv file? The other tutorial said to use one.

Simply because trying it as .csv didn't work, right?


> And 2. There are several buttons that come up after you select the files 
> (example: Raw Volume File or Free Surfer Binary Data) - which one simply 
> projects the foci onto the brain surface?

This dialog comes up when Caret is confused about the data format.  It doesn't 
know what kind of file this is.  I would have thought .csv would have given it 
a clue, but .foci or .cell might the extra clue it needs.  Why not try it?

I have seen other people have trouble getting the .csv format to read, and been 
unable to trace the cause.

Are you mapping these foci to the PALS atlas or some other publicly available 
dataset?  If so, maybe I could try opening your foci file (in csv or otherwise) 
on my end.  If I can get it to work, then maybe I can project the foci and send 
you the fociproj.

> 
> On Thu, Dec 20, 2012 at 12:36 PM, Nimit Sohoni <[email protected]> wrote:
> Hmm, I don't believe so. At least, I am using the default English character 
> set; I am using a Mac so there might be others installed, but they aren't in 
> use.
> 
> 
> On Thu, Dec 20, 2012 at 7:55 AM, Donna Dierker <[email protected]> 
> wrote:
> By any chance do you have a non-English character set installed?  Sometimes 
> that causes bad behavior when loading/writing files.
> 
> 
> On Dec 19, 2012, at 5:22 PM, Nimit Sohoni <[email protected]> wrote:
> 
> > The format listed comment-number section-number class-name as optional, so 
> > I just put name. I used "None" as the name for all foci. I changed the name 
> > first to .foci, then back to .foci.csv, but it still froze both times I 
> > tried loading.
> >
> > On Wed, Dec 19, 2012 at 8:55 AM, Donna Dierker <[email protected]> 
> > wrote:
> > Besides the focus number and x,y,z, you need some other fields (e.g., name, 
> > comment-number, section-number, class-name).  See this page:
> >
> > http://brainvis.wustl.edu/CaretHelpAccount/caret5_help/file_formats/file_formats.html#cellFile
> >
> > Foci and cell files are identical in format.  Try also just calling it 
> > my.foci rather than my.foci.csv.
> >
> >
> > On Dec 19, 2012, at 2:23 AM, Nimit Sohoni <[email protected]> wrote:
> >
> > > I have a .foci.csv file that looks like this (this is the plaintext view):
> > >
> > > tag-version 1
> > > tag-number-of-cells 3
> > > tag-number-of-comments 0
> > > tag-BEGIN-DATA
> > > 0 2 -1 19
> > > 1 -30 4 7
> > > 2 28 0 4
> > >
> > > It's not actually in comma-separated form, but the cell file format 
> > > specified looked like the above. For some reason when I opened the data 
> > > file in caret it froze. This happened twice in a row so I assume there's 
> > > something wrong with my file. I was just trying to project it on a 
> > > fiducial surface. After which I was going to add the Foci Color File but 
> > > I cannot test that without projecting these properly. I got it to work 
> > > last time but I seem to have moved those files so I can't figure out what 
> > > is wrong this time.
> > >
> > > Thanks.
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> >
> >
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