This topic has been discussed previously without a conclusive answer. After some www inquests I realized that it is easily possible to process nii-images using spm functions for matlab. The functions for loading and saving images are:

V = spm_vol(angio_corrected_marked); [Y, XYZ] = spm_read_vols(V); spm_write_vol(V,Y);

After the images are loaded they can be processed using matlab functionality. Thus, tcl scripting for those purposes is not necessary.

On Fri, 7 Mar 2014 16:37:33 -0500 (EST) Louis Nicholas Vinke vinke@nmr.mgh.harvard.edu wrote:

Hi Pfannmoe, I don't believe it is possible to edit a voxel via tcl scripts. If so the command would be listed on this page:

https://surfer.nmr.mgh.harvard.edu/fswiki/TkMeditGuide/TkMeditReference/TkMe...

-Louis

On Wed, 5 Mar 2014, Joerg Pfannmoeller wrote:

...

Hello,

if I have selected a voxel in a volume with tkmedit with a tcl script, how can I set the voxel value to 0.

Sincerely yours pfannmoe

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