Question about ConvertSurface (AFNI)

1

Hi experts,

I used ‘ConvertSurface’ to convert the surface between gifti file and mni.obj file. When I convert obj to gifti, it works. But when I convert the gifti back to mni.obj, the new obj file can’t be opened with mnitools. Can you tell me why or give me some advice?

ConvertSurface -i ${in}  -o_mni ${file}

This is the line I used.

Any reply would be appreciated!

Best,

Jewel

2

We haven’t changed the MNI obj format in AFNI for a very long time. Does the output have the .obj extension, maybe using “-o_mni test.obj”? AFAIK, the obj format is a relatively simple text format. You might look at differences converting back and forth. There are some tips here on converting with some other tools too. It looks like vtk_meshconvert.py is the most recent method recommended by the MNI folks.

https://mailman.bic.mni.mcgill.ca/pipermail/minc-users/2015-April/004037.html