Dear all,

I am trying to convert my DTI image which was previous resampled to CVS space 
from an .mgz format to a .nii.gz format. When I resampled to CVS space I used 
the nearest interpolation.

I used for converting this .mgz image to .nii.gz the mri_convert as you can see 
below:

mri_convert --in_type mgz --out_type nii --out_orientation RAS 
/media/2Tra/Antonella_2011/DTI_FS/dtrecon_cvs/C01_cvs/C01_dti/fa-masked.ANAT+CVS-to-avg35.mgz
 \
/media/2Tra/Antonella_2011/DTI_FS/dtrecon_cvs/C01_cvs/C01_dti/fa-masked.ANAT+CVS-to-avg35.nii.gz

I understood that --out orientation RAS states that I am flipping the image. Do 
I need to use this option? Even if I am using or not I see my image is having 
different direction than the .mgz image. Also while running with the option 
--out orientation RAS I saw that the program is doing a triliniar interp and I 
don't want to resample anymore my iamge just to converte this from mgz to nii. 


What is the best way I should do it?

Thank you.
Antonella
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