afni.nimh.nih.gov

Hi, Tamara-

I think I have run into that error due to the ordering of the blocks when using -volreg_tlrc_warp. What is your full afni_proc.py command?

Here is just the @SSwarper and the alignment parts of an afni_proc.py script I had run-- note the order of "align tlrc volreg" blocks with the present flags.

\mkdir -p $owarp

@SSwarper                   \
    -input  $anat           \
    -base   $templ          \
    -subid  $subj           \
    -odir   $owarp

# run afni_proc
afni_proc.py -subj_id TEST$subj                                  \
        -script test_b0.$subj -scr_overwrite                     \
        -blocks  align tlrc volreg                               \
        -copy_anat   $owarp/anatSS.${subj}.nii                   \
        -dsets       $inb0                                       \
        -anat_has_skull no                                       \
        -volreg_align_to first                                   \
        -volreg_align_e2a -volreg_tlrc_warp                      \
        -tlrc_base $templ                                        \
        -tlrc_NL_warp                                            \
        -tlrc_NL_warped_dsets                                    \
             $owarp/anatQQ.${subj}.nii                           \
             $owarp/anatQQ.${subj}.aff12.1D                      \
             $owarp/anatQQ.${subj}_WARP.nii                      \
        -execute

Please check that with the ordering of your blocks.

--pt