Hi Doug, One more question about feeding the -reg to mri_vol2surf, please.
I am specifying the registration .lta because I have made edits to it, mri_vol2surf --src FS6_24551_MPRAGE_Neuro.nii/pet/pet2free_fsl.mgz --out FS6_24551_MPRAGE_Neuro.nii/surf/lh.PETSurfce.mgh --projfrac 0.5 --hemi lh --reg FS6_24551_MPRAGE_Neuro.nii/pet/pet2free_fsl.mgz.lta --trgsubject fsaverage I get the following error: srcvol = FS6_24551_MPRAGE_Neuro.nii/pet/pet2free_fsl.mgz srcreg = FS6_24551_MPRAGE_Neuro.nii/pet/pet2free_fsl.mgz.lta srcregold = 0 srcwarp unspecified surf = white hemi = lh trgsubject = fsaverage surfreg = sphere.reg ProjFrac = 0.5 thickness = thickness reshape = 0 interp = nearest float2int = round GetProjMax = 0 INFO: float2int code = 0 Done loading volume Input reg is LTA type = 0 # LINEAR_VOX_TO_VOX nxforms = 1 mean = 0.0000 0.0000 0.0000 sigma = 1.0000 1 4 4 9.996573328971863e-01 -2.963314531370997e-03 2.600867860019207e-02 -2.005096435546875e+00 1.517883041479706e-18 9.935718178749084e-01 1.132032126188278e-01 -2.398274230957031e+01 -2.617694810032845e-02 -1.131644248962402e-01 9.932314157485962e-01 1.568508148193359e+01 0.000000000000000e+00 0.000000000000000e+00 0.000000000000000e+00 1.000000000000000e+00 src volume info valid = 1 # volume info valid filename = /Users/MacPro/Documents/NIMROD_DTI/FS6_24551_MPRAGE_Neuro.nii/pet/pet2free_fsl.mgz volume = 256 256 256 voxelsize = 1.000000000000000e+00 1.000000000000000e+00 1.000000000000000e+00 xras = -1.000000000000000e+00 -2.328306436538696e-10 0.000000000000000e+00 yras = -1.862645149230957e-09 -2.991509973071516e-08 -1.000000000000000e+00 zras = 0.000000000000000e+00 1.000000000000000e+00 1.091393642127514e-10 cras = 1.471549987792969e+00 -1.038517761230469e+01 1.970146179199219e+01 dst volume info valid = 1 # volume info valid filename = /Users/MacPro/Documents/NIMROD_DTI/FS6_24551_MPRAGE_Neuro.nii/pet/pet2free_fsl.mgz volume = 256 256 256 voxelsize = 1.000000000000000e+00 1.000000000000000e+00 1.000000000000000e+00 xras = -1.000000000000000e+00 -2.328306436538696e-10 0.000000000000000e+00 yras = -1.862645149230957e-09 -2.991509973071516e-08 -1.000000000000000e+00 zras = 0.000000000000000e+00 1.000000000000000e+00 1.091393642127514e-10 cras = 1.471549987792969e+00 -1.038517761230469e+01 1.970146179199219e+01 fscale 0.150000 ERROR: source volume is neither source nor target of the registration This error does not appear when I use --regheader though? Best Wishes, Elijah
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