I include switch -origin x:y:z to specify using the spherical head model.
The source orientations are not constrained to be normal to the cortical mantle.
(1) The forward solution is in "head" coordinates if switch -mricoord is not used, yes?
(2) The forward solution is in "mri" coordinates if switch -mricoord is used, yes?
(3) What is the sensitivity of the forward solution to error is the xyz coordinates of the origin? For instance what if the origin is 1 cm off?
Thanks,
Don
Don Krieger, Ph.D.
Department of Neurological Surgery
University of Pittsburgh
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