Decide whether the trigger would be size of 1, 2 or 4GB. See [nifti2_doc](https://www.nitrc.org/docman/view.php/26/1302/nifti2_doc.html) and ITK forum [discussion](https://discourse.itk.org/t/nifti-1-or-nifti-2-data-format/4330) about it.
Decide whether the trigger would be size of 1, 2 or 4GB.
See nifti2_doc and ITK forum discussion about it.