- 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"
+ 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"