You can use mri_matrix_multiply. Use -im to input a matrix, use -iim to input a matrix that will be inverted. doug
On 06/04/2012 12:13 PM, Clark Fisher wrote: > Hi Doug, > > I do plan to manually align the functionals to the structural as a final > step, but our epi scans look different enough from our T1s that I want to use > this as a starting point. Also, combining transforms is something I've > wanted to be able to do a few times now as I explore different ways of > looking at my data, so I think it could be useful for the future. > > One thing that seems to have worked for my current case is to convert my > registrations to the xfm format, add a final row to make a 4x4 matrix, > multiply them in matlab, and make a new xfm file with the resulting matrix. > Is there a better way to do this? > > -Clark > > -- Douglas N. Greve, Ph.D. MGH-NMR Center gr...@nmr.mgh.harvard.edu Phone Number: 617-724-2358 Fax: 617-726-7422 Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting FileDrop: www.nmr.mgh.harvard.edu/facility/filedrop/index.html _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer The information in this e-mail is intended only for the person to whom it is addressed. If you believe this e-mail was sent to you in error and the e-mail contains patient information, please contact the Partners Compliance HelpLine at http://www.partners.org/complianceline . If the e-mail was sent to you in error but does not contain patient information, please contact the sender and properly dispose of the e-mail.
