Hi Guang,
it should be:
mri_convert atlas.gca#0 means.mgz
mri_convert atlas.gca#1 labels.mgz
mri_convert atlas.gca#2 priors.mgz
cheers,
Bruce
p.s. sorry, I don't think the gca format is documented anywhere, but you
are welcome to the code if you want
On Thu, 28 Jan 2010, Guang Zeng wrote:
>
> Hello, Bruce,
>
> Thanks for your reply. I still have two questions,
>
> 1. Does these gca files also include 9 arrays such as those template files
> saved into .tiff file.
> Is there any place in the WIKI explain the format of the gca files?
>
> What is the difference between gca#0 and gca#1?
>
> 2. I tried the command line you suggested,
>
> mri_convert atlas.gca#1 priors.mgz labels.mgz
>
> It gave me an error message:
>
> mri_convert: extra argument ("labels.mgz")
>
> type mri_convert -u for usage
>
> Thanks a lot!
> Guang
>
>> Date: Thu, 29 Oct 2009 07:21:42 -0400
>> From: fis...@nmr.mgh.harvard.edu
>> To: freesurfer...@hotmail.com
>> CC: freesurfer@nmr.mgh.harvard.edu
>> Subject: Re: [Freesurfer] (no subject)
>>
>> you can load it in tkmedit from the file menu and probe it one voxel at a
>> time, or you can use
>>
>> mri_convert atlas.gca#0 means.mgz
>>
>> and
>>
>> mri_convert atlas.gca#1 priors.mgz labels.mgz
>>
>> to look at the most likely label and it's mean
>>
>> cheers,
>> Bruce
>>
>> On Thu, 29 Oct 2009, Guang Zeng
>> wrote:
>>
>>>
>>> Hi, there,
>>>
>>> I want to know how the FS GCA atlas looks like, is there a way to load the
>>> FS GCA Atlas and view it using tkmedit or matlab?
>>>
>>> Is it possible to replace FS Atlas with our own Atlas and use it for
>>> analysis?
>>>
>>> Thanks a lot!
>>> Guang
>>>
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