One more thing to keep in mind, when you flip a surface's coordinates, the normals will point inward rather than outward, so you may want to also reorient the topology to have the normals outward (-surface-topology-fix-orientation looks like the right command).
Tim On Thu, Dec 6, 2012 at 11:38 AM, Colin Reveley <[email protected]> wrote: > Jet lagged though i am it is clear that any image is trivially flippable. > so that's solved short term, sorry. > > in the long term, it is definitely best to change all my caret data to the > correct hemispheric designation and orientation. but I think it's not hard: > > flip surfaces in y with a transform. flip and project and resample > borders. just fslswapdim volumes (ACPC is unchanged). rename the structure > in surface headers. leave metric, paint etc alone. they are just vectors. > rename all the files. update/create spec. done. I think. > > unless the surfaces or anything else need further header changes. they > don't look like they do. > > other things probably easiest to just backup and do again as needed. > registration related stuff, whatever else. > > but that should flip the surfaces and volumes, preserve the important data > (metrics, to a lesser extent borders, paints, rois), and everything should > work smoothly and be in the right place. > > I do actually need to do this. At least for some of them. it turns out > that while the caret data is correct, the actual brain is the wrong way > round and it's not something called "rigorous" to flip histological data. > whatever. talk to the hand. > > I hope it's that easy as above. I think it hopefully is. > > best, > > > Colin > > _______________________________________________ > caret-users mailing list > [email protected] > http://brainvis.wustl.edu/mailman/listinfo/caret-users > >
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