- blutdir_params="--levels $nb_levels --metric $metric --optimizer $optimizer --samples $nb_samples --spacing $spacing,$spacing,$spacing --bins $hist_bins --maxIt $nb_iter --interp $interpolator --verbose"
- cmd="clitkBLUTDIR -r $reference -t $target -m $mask_ref --targetMask $mask_targ --vf $vf -o $result $blutdir_params"
+ blutdir_params="--levels $nb_levels --metric $metric --optimizer $optimizer --samples $nb_samples --spacing $spacing,$spacing,$spacing --bins $hist_bins --maxIt $nb_iter --interp $interpolator --centre --verbose"
+
+ if [ -n "$coeff" ]; then
+ coeff="--coeff $coeff"
+ fi
+
+ if [ -n "$init_coeff" ]; then
+ init_coeff="--initCoeff $init_coeff"
+ fi
+
+ cmd="clitkBLUTDIR -r $reference -t $target -m $mask_ref --targetMask $mask_targ --vf $vf $coeff $init_coeff -o $result $blutdir_params"