External Email - Use Caution        

Thanks for info.

If I open only the brainmsk.mgz only from a new terminal it is rotated and not 
in its native orientation (which is 001's orientation).
Why does it not appear to be in native space in freeview?

Jim

From: freesurfer-boun...@nmr.mgh.harvard.edu 
<freesurfer-boun...@nmr.mgh.harvard.edu> On Behalf Of Ruopeng Wang
Sent: Monday, September 16, 2019 11:51 AM
To: freesurfer@nmr.mgh.harvard.edu
Subject: Re: [Freesurfer] 001 vs brainmask views in freeview


Hi,

When you load brainmask.mgz as the second volume, it will be realigned to 
001.mgz. The default resample method is nearest-neighbor. Thus you get the 
blocky look. You can try loading it with trilinear or cubic resampling like 
this from the command-line:

freeview -v 001.mgz brainmask.mgz -trilinear

Ruopeng
On 9/16/19 12:41 PM, Alexopoulos, Dimitrios wrote:

        External Email - Use Caution
Hi all,

I ran a 2yo subject through FS6.0 using 'recon-all -i /firstdicom.dcm -all' and 
the output segmentations and surfaces looks good.

Can someone explain why I see different alignments when I view the 001.mgz and 
brainmask.mgz files in freeview, depending on the order files are opened.

001.mgz AND brainmask.mgz -- 001 opened first in freeview followed by 
brainmask.mgz. Alignemnts OK but brainmask looks grainy.
[cid:image001.jpg@01D56C87.359CC930][cid:image002.jpg@01D56C87.359CC930]


Brainmask.mgz opened only in a new terminal. Rotated and looks smoother than 
brainmask above.
[cid:image003.jpg@01D56C87.359CC930]

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