Hi ptaylor,
So there were some issues with the origin. I used 3dresample to align the two different images, and I also changed the "Template Space" for my file to TT_N27. If I do 3dinfo to the resulting image, and compare it to brain.nii, the only difference I get is the datum type.
I still can't get this tract to open on top of the image though.
Could the problem be within IsoSurface? (I saw that you mentioned
3dIsoSurface but I can't find any documentation on that.) Below is my line of code for IsoSurface:
IsoSurface -input resampled_paths.nii.gz -isoval '-a resampled_paths.nii.gz -expr step(a)' -o_ply ply_paths
Thanks for the help!
Derek Archer