What version of FS are you running? Can you try the most recent development 
version?

https://surfer.nmr.mgh.harvard.edu/fswiki/UpdateFreeview

Ruopeng

On May 13, 2025, at 4:23 PM, Ania Holubecki 
<ania.holube...@gmail.com<mailto:ania.holube...@gmail.com>> wrote:


        External Email - Use Caution

Hi,

I have a script that utilizes the -ss flag on the freeview command to take 
axial, sagittal, and coronal screenshots iteratively. I have multiple images 
loaded into freeview at a time for each screenshot, and most of the loaded 
images are the same across all the screenshots, except for one spherical ROI 
that is only the same within a given sagittal/axial/coronal set.

I have been encountering a problem where some of the screenshots are 
horizontally mirrored (left-hemisphere/right hemisphere flipped) in comparison 
to the rest of the images. This happens the most often for the coronal 
screenshot, but has also occurred for the axial screenshot. The spherical ROIs 
for which this mirroring occurs is not consistent - every time I run the 
script, it's a different set that's horizontally mirrored.

Has anyone encountered this issue and has a way to guarantee the orientation of 
the screenshot? Any tips are greatly appreciated!

Best,

Ania Holubecki
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