Hi again,

This script should work until Cameron releases an official fix: https://github.com/danlurie/cluster_roi/blob/master/nifti_gen_fix.py

The problem was essentially an overflow error; the data type from the mask image (to which the parcellation values are written) is uint8 by default, which can't handle values over 255. My fix converts everything to float64, which is overkill, but works.

Let me know if there are any issues.

Dan