====== convert3d ======
''c3d'' is a tool from [[:tools:itksnap]] used by [[:tools:hippunfold]], [[:tools:preprocessfunctional|Preprocess Functional (Hallquist pipeline)]] (and in their own container by [[:tools:fmriprep]] and friends).


As of 2025-10-24 on [[admin:it:rhea]], ''c3d'' is vs 1.4.4. Updated from 2017 install b/c ''hippunfold'' requires ''-retain-labels'' option.
<code>
readlink /opt/ni_tools/c3d
# itksnap/c3d-1.4.4-Linux-gcc64/bin/
</code>