Please remove this mail. This problem was already solved.
On Tue, 7 Oct 2014 16:55:16 +0200 pfannmo...@uni-greifswald.de wrote: > Dear FreeSurfer experts, > > I computed distances on the cortex surface of fsaverage using mris_pmake. The > exact syntax of the distance computation was: > > mris_pmake --subject fsaverage --hemi lh/rh --surface0 smoothwm --curv0 sulc > --curv1 sulc --mpmOverlay euclidean --mpmProg pathFind --mpmArgs > startVertex:XXXXX,endVertex:XXXXX . > > Subsequently, the euclidean distance was computed using the MNI coordinates > displayed by tksurfer if the startVertex and the stopVertex are selected: > > distance_euc = > sqrt[(startMNI_x-stopMNI_x)^2+(startMNI_y-stopMNI_y)^2+(startMNI_z-stopMNI_z)^2] > . > > The in-surface distance must be larger or equal to the euclidean distance. > However, in ~50% of the cases investigated the opposite is computed. Typical > distances calculated are in the range of 7 mm. Do you have an explanation for > this outcome and a possible solution? How can it be corrected? I am using > FreeSurfer 5.3 and did not encounter any other problems in data evaluation. > Any help us highly appreciated! > > Sincerely yours > > pfannmoe > _______________________________________________ > 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. > _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer
